close

Вход

Забыли?

вход по аккаунту

?

код для вставки
Oct.‘ 8, 1946.
ac, NEuHAus EI'AL
I
2,409,147
- APPARATUS FOR FORMING AND ASSEMBLING ARTICLES
Filed July 20, 1943
5 sheets-sheet 1
g3’
.
M/ V£N 701%‘
5 G. MEL/HA us
6. W MERRILL
ATTORMFY
och-8,1946.‘
.
MNEUHAUS Em
‘
2,409,141‘
APPARATUS FOR FORMING AND ASSEMBLING ARTICLES.
Filed July 20, 1943
'
I S‘Sheet's-Sheet 2
IN VZWITORS
iC/Vt'l/HAUS
4‘. W VmR/u
BYJA'M;
AZTOR/Vfy
Oct. 8, 1946.‘
2,409,141
' a. c. NEUHAUS ETAL
APPARATUS FOR FORMING AND ASSEMBLING ARTICLES
Filed July 20, 1945
'5 Sheets-Sheet :5
@
MIVHVTORS
,
£6i/VH/HAu-s
~
f.’
CW VmR/u
J64? Z. 44-74
?st. 3, 35546.
E. C. NEUHAUS ET'AL
2,409,147 '
AFEEEA'FIS FOR FORMING AND ASSIEHBLING ARTICLES
Filed July 20, 1943
5 Sheets-Sheet 5
\\@GQ\
ARM]
7A
Vhm.
§M.
HR7NQmM?.
mm.. Q
m0
.n
gR.
SQ
Ls
y
D
2,4,4;
Patented Oct. 8, 1946
UNlTED STATES PATENT OFFICE
2,409,147
APPARATUS FOR FORIWING AND
ASSEIVIBLING ARTICLES
Elmer C. Neuhaus, Chicago, and Charles W. Ver
rill, Hinsdale, Ill., assignors to Western Electric
Company, Incorporated, New York, N. Y., a cor
poration of New York
Application July 20, 1943, Serial No. 495,472
5 Claims. (Cl. 153——1)
2
1
Fig. 13 is a vertical sectional view. along the
This invention relates to apparatus for form
ing and assembling articles, and more particu
larly to an apparatus for forming a spring clip
line l3—|3 of Fig. 9;
'
Fig. 14 is a view similar to Fig. 13 showing the
ejector arm in lowered and advanced position;
Fig. 15 is a vertical sectional view along the
from a strip of material and assembling it on a
jack such as used in making an electrical contact.
line I5—l5 of Fig. 2;
In the manufacture of some types of lacks,
Fig. 16 is a vertical sectional view ‘along the
such as used in making electrical contacts, it may
line l6—l6 of Fig. 1;
be desirable to assemble a resilient clip on the
Fig. 17 is a bottom view of the punch mecha
jack to aid in retaining a plug when inserted
therein. In accordance with one practice, the 1O nism as shown in Fig. 2;
Fig. 18 is a horizontal sectional view along the
clips are formed and then later manually assem
line l8-l8 of Fig. 16;
bled on the jacks with the aid of specially de
Fig. 19 is a vertical sectional view along the
signed tools. This is a slow and di?icult opera
1021.
An object of the present invention is to pro
vide an e?ective and ef?cient apparatus for form
ing and assembling articles.
In accordance with one embodiment of this
15
line l9—-I9 of Fig. 18; and
Fig. 20 is a perspective view showing the form
ing jaws.
Referring to the drawings, and particularly to
Fig. 1, an apparatus is illustrated for forming a
clip from a strip of material and then assem
invention, an apparatus may be provided having
a punch and die mechanism for punching and 20 bling the clip on a jack in which punching, form
ing and assembling operations are simultaneously
forming a clip from strip material, severing the
performed on different portions of the strip. In
partially formed clip from the strip, transfer
this apparatus, a die bolster block 25 is, mounted
ring it to another level and then assembling it
on a jack blank.
on a table 26 and supports a number of die mem
invention will be more apparent from the fol
which are rigidly ?xed to the bolster block 25.
ziew of the assembling punch in elevated posi
reel (not shown) and is fed to the punch and die.
assembly by a hitch feed designated generally at
Other objects and advantages of the present 25 bers 21, 28 and 29, to be described hereinafter,
A number of cutting and forming punches, also
lowing detailed description taken in conjunction
to be described hereinafter, are mounted on a
with the drawings, wherein
punch block 32 which is ?xed to the lower end
Fig. 1 is a vertical, sectional view taken sub
stantially along the midline of the apparatus;
30 of a ram 35 by which the punch assembly may be
reciprocated with respect to the several die mem
Fig. 2 is an enlarged, fragmentary, vertical,
bers, the assembly being positioned above the
sectional view of the apparatus, shown in Fig. 1,
die assembly.
7
y '
showing, however, the punch mechanism in
In the operation of this apparatus, a strip 35
raised position;
Fig. 3 is an enlarged, fragmentary, sectional 35 of a suitable material may be supplied from, a
1on;
Fig. 4 is a vew similar to Fig. 3 showing the
position of the punch as it assembles the clip on
the jack blank;
.
36, the feed being operated during the recipro
cation of the punch assembly by a cam 31 mount
40 ed on the lower right side of the block 32, as
shown in Fig. 1.
The cam 31 engages a roller
Fig. 5 is a view similar to Fig. 4, showing the
forming jaws as they engage the clip;
Fig. 6 is a detail view of the completed jack;
Fig. 7 is a sectional view along the line 1-—1
38 associated with the hitch feed and advances
the strip a predetermined amount during each
Fig. 12 is a vertical sectional view along the
an I-shaped blank from the strip in cooperation
55 with the I-shaped aperture 45] in the die mem
reciprocation of the punch assembly.
As the strip is fed forward by the hitch feed,
of Fig. 6;
45
it is moved into position over an I-shaped aper
Fig. 8 is a vertical sectional view along the
ture in formed in the die member. 21, the strip
line 8—8 of Fig. 7;
being guided across the die member by two
Fig. 9 is a plan view, partly in section, of the
spaced retaining plates 41 which.are boltedto
die assembly;
Fig. 10 shows a strip of material as a clip is 50 the upper surfaces of the die members 21, 28
and 29. After the strip is moved into position
formed therefrom;
over the aperture 46, the strip then becomes sta
Fig. 11 is a vertical sectional view along the
tionary and a punch 43, suitably shaped to punch
line ll-—ll of Fig. 9;
line |2-—I2 of Fig. 9;
2,409,147
3
4
her 21, is then moved downwardly by the ram.
A stripper plate 44 is associated with the I-shaped
punch 43, and provided with an aperture 45
through which the punch may extend. A num
assembly moves downward, however, the ?at
ber of springs 46 are also provided to move the
stripper plate relatively to the punch 43 when
the punch is raised after punching a blank from
the strip. The blank so punched drops through
a recess 4-‘! formed in the bolster block 25, which
springs Bil are also pressed downward and are
received in longitudinally extending recesses ‘85
formed in the die members 2‘! and 28. Then, as
the punch assembly again rises, the springs 64
raise the strip and the partially formed clips over
the edge of the die member 28.
As will be seen in Fig. 2, the left upper corner
of the die member 28 is provided with a recess
communicates with the I-shaped aperture 40 10 85 which communicates with a similar recess 61
in the die member 21.
formed in the right upper corner of the die mem
As the punch assembly rises, the hitch feed,
ber 29, thus providing a space for the formed clips
which has been moved to the right by the cam 31,
to move in. The portions of the retaining plates
advances the strip 35 a predetermined distance
‘3! which extend over the die member 2.‘) are
and in the next reciprocation of the punch as~ 15 provided with a tapering undercut $8 to guide the
sembly, a similar I-shaped blank is punched from
strip downward into the recess 61 and to aid in
the strip, forming thus a clip blank 58, as shown
bringing a partially formed clip into position for
in Fig. 10. In the succeeding reciprocation of the
the assembling operation.
punch assembly, the strip having been again
Prior to assembling the clip on the article, the
advanced a predetermined distance, a corner d9 20 clip is severed from the strip 35 by a cutting mem
of two adjacent clip blanks is bent slightly up
ber 69 which is positioned between a pair of clip
wards. This bent corner facilitates the insertion
retaining jaws 16 which is integrally formed at
of a plug in the completed jack. The bending is
the lower ends of a pair of ?ngers ‘l l . The ?ngers
performed by a wedge-shaped raised member 5!]
‘H and the cutting member 59 are positioned in
mounted in the die member 28. The member 58
aperture '12 formed in a cross block 13, the ?ngers
bears against the lower side of the strip and co
being slidably mounted therein while the cutting
operates with a suitably recessed punch 53 l, which
member 69 is ?xed to the block by a suitably
extends through an aperture 52 in the stripper
formed nut '54 which threadedly engages the block
plate 44 and is engageable with the upper side of
13, as shown in Figs. 1, 2, l5 and 16. The block
the strip. The punch 5| is mounted in a support
73 is itself positioned between a pair of spaced
ing block 53 which is ?xed to the punch block 32.
housing blocks 75 which is ?xed to the underside
Immediately adjacent this punch and fixed also
of the punch bolster block 32, the block 13 being
to the lower side of the block 53 is a strip aligning
held in place between these blocks by inwardly
finger 54 which, when the punch assembly is
extending shoulders '56, integrally formed with
moved downward, extends into a suitably formed 35 the lower ends of the blocks ‘F5. As may be seen
recess 55 in the die block 28 and engages a lower
in Figs. 15 and 16, the block 13 is vertically mov
blanked portion 56 of the strip 35, thus aligning
able with respect to the housing blocks 15, being
the clip blank with the bending punch and die
urged downward, however, by a pair of coiled
assembly and also with the other parts of the
springs ‘H, which is positioned in sleeves ‘l8 slid~
assembly.
40 ably mounted in the bolster block 32, and which
Upon the. next reciprocation of the punch as
bears against the upper side of the cross block
13. When the punch assembly is moved down
sembly, forming ?ngers 51, which are mounted
ward and into engagement with the ?xed die
in the block 53 and extend through an aperture‘
assembly, the cross block 73 is moved upward
58 in the stripper plate 44, move downwardly and
relatively to the housing blocks 75 against the
engage the edges of the blank 48 and inv coopera
tion with a ?xed die member 5% positioned in an
- pressure of the springs ‘H, as shown in Fig. 16,
being lifted by a shelf 36 which is integrally
formed with the left end of the stripper plate 44
into a U-shape. These ?ngers are normally urged
and which engages the lower side of the block 13.
apart by a spring pressed plunger 61 slidably 50 The left end of this shelf is suitably recessed to
permit the ?ngers ‘I! to extend therethrough.
mounted in the block 32; however, as the lower
ends of the forming ?ngers, which are beveled as
In order to retain the fingers 'l'l in the block 13,
shown in Figs. 1 and 2, engage the sides of the
the upper ends of the ?ngers are provided with
aperture 60, they are moved inward and complete
integrally formed portions 9| which extend at
the bending of the clip blank.
55 right angles to the upper ends of each ?nger, as
A pair of ejector members 62 is positioned ad
I shown inFigs. 15 and 16. These horizontal por
jacent the ?xed member 59 and when the ?ngers
tions of the ?ngers are vertically movable in a
5‘! move downwardly, these ejector members are
slot 8?. which is formed in the upper portion of
thereby moved downward against the pressure of
the cross block ‘#3. The aperture 12 in the block
a helically coiled spring 63 mounted in the block
‘!3 in which the lower ends of the ?ngers are posi
25. As the punch assembly and ?ngers 5'! move ' tioned is made large enough to permit the ?ngers
upward, the ejector pins engage the downwardly
to move slightly apart when the punch is raised
bent edges of the clip blank 48 and raise it above
and to rest on opposite upper edges 83 of the
the ?xed member 59.
aperture 72. The ?ngers are then pivotable on
In order to insure, however, that the strip at 65 these edges so that the jaws 10 may be moved
this point will be raised su?iciently to permit it - apart as they ?rst engage a clip blank and then
to be advanced to the next operating position, a
move together to retain the severed blank as the
pair of parallel, spaced, flat springs 64 is mounted
punch assembly is moved downward. The jaws
in the upper surface of the die member 27'. The
are urged together by a spring pressed plate 85
springs extend'along the inner edges of the re
having projections 86 integrally formed on the
taining plates 4| and across the die member 28.
lower sides thereof so as to engage the outer edges
As the strip is advanced, its edges rest on the
of the horizontally extending edges of the per
springs 65 and, consequently, when the punch
tions BI and a cone-shaped projection 81 formed
assembly is in elevated position, the strip is raised
in the center thereof so as to bear against the
to the position shown in Fig. '2. When the punch
opposite inner corners of the upper portions of
aperture Bil in the die member 28, bend the edges
downwardly, as shown in Fig. 1, to form the blank
2,409,147
5
_ the ?ngers 'H to urge them apart. A helically
coiled spring 88, which is positioned in an aper
ture 89 formed in the punch block 32 and retained
therein by a threaded member 99, bears against
the upper surface of the plate 85 and provides the
resilient pressure.
As the punch assembly moves downwards, the
with the stop member 10!. As these laws move
together, as shown‘ in sequential illustration in
Figs. 3, 4 and 5, the lower edges of the partially
formed clip are thereby bent about the jack. A
1 completely assembled article is shown in Figs. 6,
7 and 8._
Ejection of the ?nished article from the die
member 29 is accomplished by a universally
jaws ‘l0 engage the'partially formed clip blank
mounted ejector arm H5 positioned in a recess
which is attached to the strip 35, the jaws mov
ing apart to permit the blank to be positioned 10 I IS in the die'member 29 and having a knife edged
projection H1 integrally formed with the jack
therebetween, as shown in Fig. 3, and the cut
engaging end thereof and extending into the
ting member 69, in cooperation with an aperture
chamber 94. A rod H8, ?xed to the lower end of
9| formed in the die member 29, severs the clip
from the strip 35.
Continued downward move
the punch block ‘i5, pivots the jack engaging end
ment of the jaws ‘19 positions the severed clip on 15 of the ejector arm downwards as the punch as
sembly is moved downward and out of engage
a jack 93 which is positioned in a chamber 94
ment with the front edge of the jack 93 on which
fo'rmed’in the die block 29, as shown in Figs. 1 and
a clip is being assembled, while a helically coiled
2. The jacks are supplied from a magazine 95
spring 5 19, having one end attached to the outer
positioned in the left portion of the die block 29
and communicating with a rectangularly slotted 20 end of the ejector arm 5 i5 and its other end at
tached to the die bolster block 25, pivots the ejec
aperture 95 formed in the left upper portion of
tor arm sidewards and to the left, as shown in
the block 29, as shown in Figs. 1, 2 and 11 through
Figs. 1, 1,3 and 14, bringing the rear edge of its
14. The jacks may be manually fed into the die
knife edge projection H1 into contact with the
block. In a jack of the type shown, the portion
rear edge of one end of the jack which is at the
thereof about which the spring clip is to be as
same time held motionless by the retaining ?nger
sembled is provided with a recess 91, as shown in
I91. Then, as the punch assembly is raised'and
Fig. 7, to receive the inwardly bent portions of
the retaining ?nger i0‘! moved out of engagement
the clip. Since the left end of the jack is also
with the jack, thus releasing the jack, the ejector
recessed to facilitate soldering in a subsequent
operation, proper positioning of the jack may be 30 arm H5 is pivoted upward by'a plunger IZOac
tuated by a helically coiled spring 12! which bears
effected byv providing a ledge 98 extending along
against the underside of the plunger. The recess»
the left interior portion of the magazine 95 and
in the die block 29 in which the knife edge pro-'
ledge 99 positioned along the corresponding por
tion of the slot 96 and extending into the cham
ber 94 in the die member 29. As the jacks are
fed through the magazine and into the die mem
ber v29, the recessed left ends of the jacks bear
jection ! I ‘i is positioned is so formed that, as the
arm ! i5 is moved upward, the projecting end por
tion lihwhich is then in engagement with the
left side of the completed jack, is cammed to the
right, as viewed in Fig. 9, thus pivoting the com
pleted jack‘ on the stop member l9! with sum
and 12, and the clearances of the interior of the
slot 96 and magazine 95 are such that the correct 40 cient force to eject the jack and to deposit it in
axial position of the jacks for the assembling
an aperture 122 formed in the bolster block 25
against these ledges, as may be seen in Figs. 11
operation is thereby obtained.
The forward jack, after it is fed from the maga
zine 95 into the slot 96 of the die member 29, is
which communicates with the assembly chamber
' 94 of the die member 29. The path of the knife
edge member H1 is thus substantially rectangu
engaged by a stop member I91, shown in detail 45 lar.
in Fig. 20, which is held in elevated position by a
While, in describing the operation of this ap
plunger I02 against the lower end of which bears
paratus, the several steps performed have been
a spring I93 positioned in the die bolster block
described successively and with regard to the
25.
As the clip is positioned on the jack, shouldered 50 forming and assembling of a single clip, it will be
understood that, the several steps are simultane
portions “35 formed in the lower ends of the ?n
ously performed on different portions of the
gers i! engage the upper edges of the aperture 9|
strip upon each reciprocation of the apparatus.
formed in the die member 29, as shown in Fig. 4,
Also, while but one embodiment of this invention
and are prevented from moving further down-,
wardly. However, the punch assembly itself con 55 has been shown and described, it will be under
stood that many changes and modi?cations may
be made therein without departing from the
4, the cutting member being moved downward
spirit or scope of the present invention.
relatively to the now stationary jaws 19. At the
What is claimed is:
same time, as the cutting member 59 deposits the 60
1. In an assembling apparatus, a ?xed cutting
clip on the jack, a retaining ?nger Hi1, rigidly
die, a movable cutting member cooperating with
mounted on the underside of the cross block 13
said cutting die for severing a blank from a strip
and extending downwardly therefrom, as shown
of material, a pair of transfer jaws yieldably car
in Fig. 15, engages the left end of the jack and
ried by said cutting member and projecting in
holds the jack in position for the next operation 65 advance of said cutting member and normally
in which the downwardly extending sides of the
movable therewith for receiving said severed
blank and transferring said severed blank to a
clip blank are formed about the jack.
predetermined position, resilient means for main
After the clip has been positioned on the jack,
taining said transfer jaws in said normal ad
a pair of cam operated jaws H9, which are slid
ably mounted in the die member 29, are moved to 70 vanced relation to said cutting member, means
for actuating said cutting member to sever said
gether by a pair of cam arms H l which are ?xed
blank from said strip and carry said blank to
to the lower side of the punch assembly, as shown
said predetermined position, and means for ar
in Figs. 1 and 2, and which engage camming sur
resting the movement of the transfer jaws ad
faces Il2 integrally formed with the jaws H0.
These jaws are shown in detail in Fig. 20 together 75 jacent said predetermined position to cause a
tinues to move downward and the cutting member
59 positions the clip on the jack, as shown in Fig.
2,409,14r
7
relative'movement between said jaws and said
cutting member to eject said blank.
2. In an assembling apparatus, a ?xed cutting
die, a movable cutting member cooperating with‘
said cutting die for severing a blank from a strip
of material, a pair of transfer jaws yieldably car
ried by and projecting in advance of said cutting
member and normally movable therewith for re
ceiving said severed blank and transferring said
severed blank to an ejecting position, resilient
means for urging said jaws toward each other
to retain said severed blank therebetween, resil
ient means for maintaining said jaws in said nor
mal advanced relation to said cutting member,
means for stopping said transfer jaws at said
ejection position, and means for actuating said
cutting member to sequentially sever said blank
from said strip and eject said blank from said
transfer members.
8
to rock said arms and yieldably urge said jaws
toward each other, means for arresting the move
ment of said jaws prior to the completion of the
advance movement of said cutting member to
cause said cutting member to eject said blank
from said jaws.
4. An article assembling apparatus comprising
an assembling station, means for transferring
parts to said station and assembling them, a ?xed
stop member at the assembling station for en
gaging an assembled article adjacent one end
thereof, a movable stop member having a stop
ping surface in the path of said article to engage
the article adjacent its other end, said movable
stop member having an inclined ejecting surface,
means for moving the stopping surface of said
movable stop member out of the path of said
article upon assembly of the article, and means
for thereafter engaging said inclined ejecting
3. In an assembling apparatus, a ?xed die, a 20 surface with the article to pivot the article about
relatively movable cutting member cooperating
with said ?xed die for severing a blank from a
said ?xed stop member and eject it.
5. An article'assembling apparatus comprising
strip of material, an actuator for moving said cut
means for guiding an article in a predetermined
ting member to sever and move said blank to
path, a movable stop member having a stopping
surface in the path of said article to engage the
article, said movable stop member having an
inclined ejecting surface, means for limiting the
movement of said movable stop member in one
direction to stop said article in alignment with
a predetermined position, a pair of jaws yield
ably disposed on opposite sides of and extending
in advance of said cutting member and normally
movable therewith for engaging said severed
blank and transferring said blank to said prede
termined position in cooperation with said cut 30 a part to be‘. assembled thereon, means for as
ting member, laterally extending arms on said
sembling said part with said article, means for
jaws for limiting the advance movement of said
moving the stopping surface of said movable stop
jaws relative to said cutting member, resilient
member out of the path of said article after the
means for urging said jaws in advance of said
part has been assembled thereon, and means for
cutting member, a force transmitting member~ 35 thereafter engaging said inclined ejecting sur
interposed between said resilient means and said
face with the article to eject said article.
jaws and engaging the arms of said jaws for
'
'
ELMER C. NEUHAUS.
imparting a force to each of said arms tending
CHARLES W. VERRILL.
Документ
Категория
Без категории
Просмотров
0
Размер файла
1 034 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа