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Патент USA US3070940

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Jan. 1, 1963
w. |_. BARR
3,070,930
WRAPPING MACHINES
Filed Jan. 17, 1961
Sil-.k1’
2 Sheets-Sheet J.
Jan. 1, 1963
w. L. BARR
3,070,930
WRAPPING MACHINES
Filed Jan. 17; 1961 _
2 Sheets-Sheet 2
f1
United States Patent O?tice
1
3,070,930
Patented Jan. _ 1, 1 963
2
wrapping machine on to the collecting channel and trans
ferred in batches in the above manner to a pocketed
3,070,930
WRAPPING MACHINES
Walter Lionel Barr, Albion Works, Gainsborough,
England, assignor to Rose Brothers (Gainsborough)
feed conveyor of the batch wrapping machine.
Filed Jan. 17, 1961, Ser. No. 83,283
Claims priority, application Great Britain Jan. 23, 1960
5 Claims. (Cl. 53-159)
panying ‘drawings, in which
Such an application of the invention will now be de
scribed by way of example with reference to the accom
Limited, Gainsborough, England
FIGURE 1 is an elevation of part of the combined ap
paratus showing mechanism for collecting and transfer~
This invention relates to wrapping machines of the 10
kind in which a plurality of articles, e.g., sweets, are ar
ranged end to end and fed as a batch, together with a
common wrapper, into a pocket of a wrapping member
ring the batches,
FIGURE 2 is a side view of the apparatus of FIG
URE l in the direction of the arrow, and
FIGURE 3 is a plan of the apparatus.
Sweets 11 pass from the individual wrapping mech
which transports the batch through a series of wrapping
anism (not shown) along a delivery channel 12 to a
stations to complete the [folding of the common wrapper 15 collecting channel consisting of a stationary platform 13
about the batch, successive batches being fed to succes
Ad“ie-u)
and movable side guides 14, the latter being mounted on a
sive pockets of the wrapping member. The articles may
vertically movable slide bar 16 carrying a roller \17 ar
themselves be individually wrapped before being ‘formed
ranged to engage a rotatable cam 18 secured to a cam
into the batches.
shaft 19, the slide bar being guided by slots 21 en
The invention is concerned with the ‘formation of the 20 gaging guide blocks 22 mounted one on the cam shaft 19
batches and their transfer to the pocketed wrapping mem
and the other on a rock shaft 23. The sweets 11 pass
ber.
from the delivery channel 12 into an arcuate chute 24
According to the present invention, there is provided
down which they are assisted by an oscillating de?ect
a wrapping machine of the above kind, comprising a
ing member 26, the sweets 11 changing from a horizontal
collecting channel adapted to receive articles in succes 25 to an upright position ‘during movement down the chute
sion end to end to form successive batches, said channel
2-4. The de?ecting member 26 is formed on an arm 27
having at least one of its side walls movable upwardly
pivotally mounted in a bracket 28 by means of a shaft 29,
and downwardly, an intermediate pliatforlm arranged
the arm 27 having an extension 31 connected by a pivoted
alongside the channel, means for moving the movable
link 32 to a cam-operated arm (not shown).
side wall downwardly clear of each successive batch as it 30
The platform .13 terminates in an end stop 33 in sub
is formed, means for transferring the batch transversely
stantial alignment with a guide wall 34 on an intermediate
from the open side of the channel on to the intermediate
platform 36 having a further guide Wall 37 so positioned
platform, means associated with the intermediate plat
in relation to the number of sweets in a batch as to con
form for constraining the successive batches in an end
strain the successive batches in an endwise direction.
wise direction, each successive batch being transferred to 35
The de?ecting member 26 sweeps successive sweets
the intermediate platform itself serving to transfer the
preceding batch from the intermediate platform to a
‘11 down the chute 24, each successive sweet 11 pushing
the preceding sweet or partially formed batch forward
waiting receiving pocket.
along the platform 13. As the leading sweet 11 reaches the
The receiving pocket is conveniently one of a series
stop 33, the slide 16 is operated by the cam 18 to lower
formed on an intermittently movable chain conveyor ar 40 the side guides 14 and a pusher 38, of a length ap
ranged to run alongside the intermediate platform, the
propriate to the number of sweets in a batch, than op
batches subsequently being transferred from the conveyor
crates, in timed relationship with the de?ecting member
pockets to the pockets of the wrapping member. The
26, to transfer the batch from the platform :13 to the
forward face of the batch on the intermediate platform
intermediate platform 36, the batch pushing any preceding
acts as a temporary guide for the batch in the conveyor 45 batch from the intermediate platform 36 into a waiting
pocket as the conveyor moves to carry the batch one stage
pocket 39 of an intermittently movable conveyor 41, the
‘forward. Forwardly of the transfer position and up to
latter serving to forward the successive batches to the
the position where the batch is transferred to the wrapping
batch-wrapping mechanism (not shown).
member, the conveyor is provided with a side guide on
The pusher 38 is mounted on a link 42, pivotally at
both sides of the conveyor in the usual way.
The collecting channel is conveniently constituted by
50 tached at 43 and 44 to a link 46 and an arm 47, re
spectively, the pusher being formed with a forward
a stationary supporting platform and a vertically movable
extension 48 adapted to engage the upper face of the
channel section the side walls of which constitute the side
batch during the pushing action. The arm 47 is pivoted
walls of the channel. The channel section may be
on a shaft 49 and carries a roller 51 arranged to engage
mounted in a vertical slideway and operated by a ro 55 the face of a rotatable cam 52 mounted on the shaft 19,
tatable cam. The side walls of the channel need only
while the link 46 is pivotally attached to an operating
extend upwardly over a portion (say about a third) of
arm 53 pivotally mounted on the shaft 23 and having an
the height of the articles.
extension 54 carrying a roller 56 arranged to engage a
The transferring means may consist of a transverse
pusher carried by a cam-operated arm, the pusher having 60 rotatable cam 57 mounted on the shaft 19. The relative
timing of the cams 5-2 and 57 is such as to cause the pusher
a forward extension arranged to engage the upper sur
38 to move horizontally during the pushing ‘stroke and to
faces of the articles during the pushing action. To avoid
lift at the end of the pushing stroke to avoid interference
interference with the articles by the forward extension
with the oncoming sweets ‘11 during the retracting move
during the retracting movement of the pusher, the latter
may be pivotally mounted on the arm and arranged to 65 ment of the pusher 38.
I claim:
be lifted at the end of the forward stroke by a cam-op
erated link.
1. A wrapping machine of the kind referred to, com
The invention has been found particularly useful as
prising a collecting channel adapted to receive articles
applied to a combined apparatus for wrapping individual
in succession end to end to form successive batches, said
to?ees cut in succession from a strip, and collecting 70 channel having at least one of its side walls movable
batches of the wrapped toffees and wrapping the batches,
the wrapped toffees being fed directly from the individual
upwardly and downwardly, an intermediate platform ar
ranged alongside the channel, an intermittently moving
3,070,930
‘
3
conveyor having receiving pockets extending along said
nel section is mounted in a vertical slideway and operated
platform at the side thereof opposite from said channel,
by a rotatable earn.
means for moving the movable side wall downwardly
clear of each successive batch as it is formed, pusher
means for transferring the batch transversely from the
‘open side of the ‘channel on to the intermediate platform,
and means associated with the intermediate platform for
endwise constraining the successive batches, said pusher
means acting through each successive batch as same is
being transferred to the intermediate platform, to trans
fer the preceding batch from the intermediate platform
to one of said receiving pockets.
2. A wrapping machine in accordance with claim 1,
wherein the collecting channel is constituted by a sta
tionary supporting platform and a vertically movable 16
channel section the side walls of which constitute the
side walls of the channel.
3. A wrapping machine as in claim 2, wherein the chan
4. A wrapping machine as in claim 1, wherein the trans
ferring pusher means consists of a transverse pusher car
ried by a cam-operated arm, the pusher having a forward
extension arranged to engage the upper surfaces of the
articles during the pushing action.
7
5. A wrapping machine as in claim 4, wherein the
pusher is pivotally mounted on the arm and arranged to
be lifted at the end of the rforward stroke by a cam-op
erate-d link.
References Cited in the ?le of this patent
UNITED STATES PATENTS
2,678,151
2,681,171
2,825,193
Geisler _______________ __ May 11, 1954
Brown ______________ __ June 15, 1954
Loveridge _____________ __ Mar. 4,1958
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