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JPH04200199

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DESCRIPTION JPH04200199
[0001]
FIELD OF THE INVENTION The invention of this application relates to a device for supplying a
gasket disposed on a cone of a speaker (herein referred to as a gasket supply device). [Prior Art]
A conventional gasket supply device usually comprises a cylindrical guide member on which a
large number of stacked gaskets are fitted (sometimes fitted in), and a gasket fitted on the guide
members. A mounting tool to be mounted and a moving means for moving this i3i mounting tool
by the thickness of the gasket every predetermined time, and the gasket is a guiding tool
corresponding to the assembly speed of the speaker assembly line. The sheet is discharged and
supplied one by one from the top in a manner to be guided to. However, in the conventional
gasket supply apparatus, since the guide for guiding the gasket in a fixed posture upward has a
fixed cylindrical shape, when it is desired to discharge and supply a gasket having a different
diameter or shape, every change of the gasket It is necessary to change the guide to one that
conforms to that shape. In other words, the conventional one is not suitable for high-mix lowvolume production. SUMMARY OF THE INVENTION Therefore, in the invention of this
application, it is an object of the present invention to provide a gasket supply device capable of
appropriately discharging and supplying gaskets having different diameters and shapes without
changing the guide of the gasket. . [Means for Solving the Problems] Therefore, in the invention
according to claim 1 of the present application, a guide with which a plurality of stacked gaskets
are externally fitted or internally fitted, and the outer or inner fitting with this guide. It consists
of a mounting tool for mounting the gasket and a moving means for moving the mounting tool
upward by the thickness of the gas furnace at a constant interval by a thickness of the gas
furnace, and the gasket maintains a constant posture In the gasket feeding device of the type
which is guided to the guide in the state and discharged one by one from the upper part of the
guide, the guide is a side surface on the base (1) and the upper surface of the base (1). A trivalent
pulley (2) disposed in an equilateral triangle shape in a manner that the parts face each other,
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and a guide rod (3) erected at a position offset from the rotation center in the upper side surface
of each pulley (2); Adjustment to rotate the above-mentioned trivalent pulley (2) at the same
angle in the same rotation direction Shall consists a pulley (4), each guide rod (3) (3) are set so
that mutual distance is equal. Further, in the invention according to claim 2, a guiding tool on
which a large number of stacked gaskets are fitted or fitted, and a placement tool for mounting
the gasket fitted on or fitted on the guiding tool. And a moving means for moving the mounting
tool upward by the thickness of the gas furnace and the thickness of the throat every
predetermined time, and the gasket is guided by the guide while maintaining the fixed posture,
and the guide is In the gasket supply device of the type discharged from the top one by one, the
guide tool is arranged in a square shape with the side surface portions facing each other on the
base body (1) and the upper surface of the base body (1). Four pulleys (2), a guide rod (3) erected
at a position offset from the rotation center in the upper side surface of each pulley (2), and the
four pulleys (2) described above at the same angle The rotating guide pulley (4) and the
opposing guide bar (3) (3) is set mutual distance to respective concentrations equal.
And in the invention according to claim 3, as for the invention according to claim 1 or 2, a
support (20) having a plurality of insertion holes (21) is fixed to the side surface portion of the
pulley (2) A guide bar (3) is erected in a manner of being closely fitted to (21). Further, in the
invention according to the fourth aspect, in the invention according to the first or second aspect,
the adjustment pulley (4) is provided with the stopper (40) for preventing rotation. (Operation)
The invention of this application has the following operation. (Operation of the invention
according to claim 1) When the adjustment pulley (4) is rotated, the trivalent pulley (2) is rotated
at the same angle in the same rotation direction, and the three pulleys (3) are erected. The guide
rods (3) of the book will be expanded and contracted while maintaining the shape of an
equilateral triangle. (Operation of the invention according to claim 2) When the adjusting pulley
(4) is rotated, the four pulleys (2) are rotated at the same angle, and the four guide rods erected
on the pulley (2) In (3), the guide rods (3) and (3) expand and contract while maintaining the
same distance between them. (Operation of the invention according to claim 3) When the
insertion holes (21) into which the guide rods (3) are inserted are changed, the distance between
one opposing guide rod (3) (3) and the other opposing guide rod ((3)) 3) (3) The ratio to the
mutual distance will change. The presence of the stopper (40) prevents the careless rotation of
each pulley (2). The configuration of the invention of this application will be described below
with reference to the drawings shown as one embodiment. In this embodiment, as shown in FIG.
1, a guide (A) on which a large number of stacked gas kegs (g) are fitted and a gasket (g) fitted on
the guide (A). and g) a mounting tool (B) on which the mounting tool (B) is mounted, and moving
means (C) for moving the mounting tool (B) described above upward at predetermined intervals
by the thickness of the gasket (g). . As shown in FIG. 1, the guide tool (A) arranges four toothed
pulleys (2) in the form of a square on the upper surface of the plate-like base (1) in such a
manner that the side portions face each other. The guide rods (3) are erected at positions
deviated from the center of rotation on the side surface of each pulley (2). In this embodiment,
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the attachment of the guide rod (3) to the pulley (2) is carried out via a square support (20)
having two insertion holes (21), By changing the insertion position of the guide rod (3) into the
insertion hole (2), the standing position of the guide rod (3) can be changed.
Further, as shown in FIG. 2, the guide tool (A) has a stopper (not shown) for rotating the four
pulleys (2) at the same angle as required. A toothed adjustment pulley (4) and two auxiliary
adjustment pulleys (4a) (4a) are provided, and are in mesh with the pulley (2). Therefore, the
adjustment pulley (4) When it is rotated, with the rotation of the four pulleys (2), each guide rod
(3) has a locus (a) (b) in FIG. 3 (the actual movement locus of the guide rod (3) is arc-shaped
However, in this figure, the movement locus of the guide rod (3) is shown when the movement
locus of the pair of opposing guide rods (3) is converted into a linear locus, and the gasket (G)
has an oval shape, a circular shape, or its size. And thus it can be reliably held as shown in. The
placement tool (B) is formed in a disk shape as shown in FIGS. 1 and 3, and a pair of linear
openings (50) (50) through which the above-mentioned guide rods (3) are inserted. And a pair of
substantially square openings (51) (51), and a ball screw (52) screwed to a male screw (61)
described later is provided at the central portion. The moving means (C) is, as shown in FIG. 1,
basically rotatably mounted on the base (1) via a well-known induction motor (60) with a brake
and a bearing (69). Norinda (62) for moving the induction motor (60) up and down by a certain
range, and an induction motor (60) and a male raised by the cylinder (62). The optical chunk
(63) which magnetizes the space between the screws (61) and the optical motor (60) which stops
the induction motor (60) only when the uppermost layer of the gas squeegee (g) reaches a
predetermined position (Fig. Not shown). Since this product is configured as described above,
when the output shaft of the induction motor (60) and the male screw (61) are magnetically
attached and the induction motor (60) is driven, the induction is performed. The rotational force
of the motor (60) is transmitted to the group screw (61), and the mounting tool (B) on which a
large number of gaskets (g) are mounted is inserted into the opening (50) (50,) By engagement
with the guide rods (3) and (3), it can be raised without rotating. Then, when the gasket (g) of the
uppermost layer reaches a predetermined position and is detected by the optical sensor, the
rotation of the induction motor (60) is stopped, and the rise of the mounting tool (B) is
accompanied by this. It will stop.
Here, when the uppermost layer gas cylinder l- (g) is removed, the induction motor (60) is again
rotated, and is again placed until the uppermost layer gasket (g) at this point reaches the
predetermined position. The tool (B) will rise. On the other hand, another embodiment is as
shown in FIG. In this case, although basically the same as in the above embodiment, as shown in
the figure, the trivalent pulley (2) is placed on the upper surface of the base (1) in such a manner
that the side surface portion faces the upper surface. While arranging in the shape of an
equilateral triangle, in the middle between the pulleys (2L (2) (2), there are provided adjustment
pulleys (4) meshing with these, and in the side portions of the respective pulleys (2) A guide rod
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(3) is provided upright at a position shifted from the center of rotation. Then, one guide rod (3) is
inserted into the opening (50) provided at the top of each triangular plate-like mounting tool (B).
Therefore, each guide rod (3) has a locus (c) in FIG. 7 (the actual movement locus of the guide
rod (3) is circular, but the one in this figure is the one with the placement tool (B). Will move as
the guide bar (3) in the relationship), and the shape of the three guide bars (3) will always
maintain an equilateral triangle during movement . And, in this case, regardless of the size of the
diameter, the gasket (g) is securely held as shown in FIG. 8 by the three guide rods (3). In the
above embodiment, although the pulleys (2) and the adjustment pulleys (4) are provided with
teeth, the invention is not limited to this, flat pulleys and frictional engagement of the pulleys
with each other It is also good. The present invention can also be adopted as a ring-shaped iron
material supply device to be a speaker magnet in an assembly line of a speaker. [Effects of the
Invention] The present invention has the above-described configuration, and therefore has the
following effects. (Effects of the Invention According to Claim 1) When the adjustment pulley (4)
is rotated, the three guide rods (3) expand and contract while maintaining the shape of an
equilateral triangle. Gaskets of different diameters can be properly held coaxially by the rod (3).
That is, it is possible to provide a gasket supply device capable of appropriately discharging and
supplying gaskets of circular diameters different in diameter. According to the second aspect of
the present invention, when the adjustment pulley (4) is rotated, the four guide rods (3) maintain
the state in which the distances between the opposing guide rods (3) and (3) are equal to each
other. As a result, the circular gaskets and the elliptical gaskets of different sizes can be properly
held coaxially.
That is, regardless of the circular gasket and the oval gasket, it is possible to provide a gas target
supply device which can properly discharge and supply. (Effects of the Invention According to
the Third Aspect of the Invention) If the insertion holes (21) into which the guide rods (3) are
inserted are suitably changed, the ratio of the distance between the opposing guide rods (3) and
(3) will change. Therefore, the oval gaskets having different shapes can be held in a stable state,
and as a result, even if the gaskets have different shapes, the discharge and supply can be
stabilized. (Advantage of the Invention According to the Fourth Aspect of the Invention) Since
careless rotation of each pulley (2) is prevented, the positioned guide rods (3) (3) will not move
carelessly As a result, the discharge and supply of the gasket become stable.
[0002]
Brief description of the drawings
[0003]
1 is a gasket supply device according to an embodiment of the present invention, FIG. 2 is a
cross-sectional view of the gasket supply device taken along the line X-X, and FIG. 3 is an
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explanatory view of a mounting tool of the gasket supplying device. 4 to 6 show the relationship
between the gasket and the guide rod, FIG. 7 shows the gas care delivery device of another
embodiment, and FIG. 8 shows the other. It is a figure which shows the relationship between the
gasket of the gasket supply apparatus of an Example, and a guide rod, and in a figure, (1) ... base
material (2) ... pulley (3) ... guide rod (4) .. -Adjustment pulley (20) ... support (21) ... insertion hole
(40) ... stopper
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