JPH0541003Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a pair of male and female connectors for closing the opening of a plastic bag, etc. used for packaging clothing, etc., at the opening edge of the bag. This invention relates to a snap placement device for attaching a snap.

[Conventional technology]

2. Description of the Related Art A pair of male and female snaps are attached to the opening edge of a plastic bag or the like used for packaging clothing, etc., in order to close the opening. Conventionally, to attach these snaps, a worker manually takes out ready-made bags one by one, opens the opening, and then attaches the snaps manually using a snap-tapping device or the like. Ta.

[The problem that the idea aims to solve]

However, in the conventional snap attaching method described above, since the work of taking out the bags one by one is done manually, the work is complicated and the efficiency is low. Additionally, there is the problem that snap installation work is dangerous for workers.
It has been desired to automate and save labor in the work of taking out the bag and attaching the snaps, but since the workpiece being handled is a film-like bag with no rigidity, it has not been possible to automate this series of work in the past. I couldn't do it.

Therefore, in order to solve the above-mentioned problems, the present invention eliminates manual work by workers, takes out a ready-made bag, opens the opening of the bag, and automatically attaches a snap to the edge of the opening. An object of the present invention is to provide an automatic snap attaching device capable of attaching a pair of snaps to the opening edge of a ready-made bag, respectively.

[Means to solve the problem]

Next, means for achieving the above object will be explained with reference to FIGS. 1 to 19, which correspond to embodiments.

The snap arranging device of this invention includes a fitting member 4 constituting male or female snaps 2 and 3;
a pair of hopper devices 15 that send out one set each of a pair of hopper devices 6 and mounting members 5, 7, and a pair of hopper devices 15 that releasably hold the fitting members 4, 6 or the mounting members 5, 7 sent out from the one hopper device 15; Holding section 74
a, a striking part 81 that removably holds the mounting members 5, 7 or the fitting members 4, 6 sent out from the other hopper device 15, and the striking part 8.
1, and the striking part 81 is connected to the holding part 74.
a cylinder CY9 for colliding the fitting members 4, 6 and the mounting members 5, 7 together by caulking the fitting members 4, 6;
, male or female snaps 2 and 3 are attached to one opening edge Wa of the opposing opening edges of the bag W, and female or male snaps 3 and 2 are attached to the other opening edge Wa. First and second placement devices 10 and 11 to be attached, and each of the placement devices 10 and 11
are fixedly installed in parallel to hold the bag W in an open state, and to hold the bag W in the respective arrangement devices 10, 1.
1, and a base 12 that is sequentially conveyed to the base 12.

[Effect]

The bag W is held in an open state by the base 12, and the first and second placement devices 10, 11
are transported sequentially to

When the bag W is conveyed to each arrangement device 10, 11,
A hopper device 15 feeds out fitting members 4, 6 and attachment members 5, 7 of male or female snaps 2, 3 one by one. Each member sent out 4, 5, 6,
7 is held by a holding part 74a and a striking part 81, which are held in a detachable manner. And the cylinder
The striking part 81 is struck by the holding part 74a by CY9, and each member 4, 5, 6, 7 is caulked and connected to one or the other opening edge Wa of the bag W, and a male or female type is formed. Attach snaps 2 and 3 respectively.

〔Example〕

An embodiment of the present invention will be described with reference to the drawings. First, the snap automatic attachment device 1 according to this embodiment
(hereinafter abbreviated as the mounting device 1), and an outline of its functions and functions will be explained by referring to the overall plan view in Fig. 1, the overall side view in Fig. 2, and the drawings of each part. explain.

As shown in FIG. 3, the bag W as the work handled by the mounting device 1 of this embodiment is a ready-made bag having a substantially rectangular shape, and has a pair of trapezoidal flaps F1 and F2 on both sides of the opening edge Wa. It is formed. The snaps attached to this bag W are a pair of male and female clasps, as shown in Figure 4.
includes a convex member 4 as a fitting member that has spring properties and has a mounting hole 4a formed in the center, and a protrusion 5a in the center.
The female snap 3 has a mounting hole 6 in the center, as shown in FIG.
a concave member 6 as a fitting member in which a is formed;
It is composed of a head member 7 as a mounting member having a protrusion 7a formed in the center.

As shown in FIG.
A bag is manufactured in which a closure flap F capable of closing Wb is formed.

As shown in FIGS. 1 and 2, the attachment device 1 of this embodiment includes a bag supply device 8 and a bag holding device 9.
and two arrangement devices 10 and 11.

First, the bag feeding device 8 is located on the left side in FIGS. 1 and 2, and is a device that feeds bags W stacked on a loading table one by one to a bag holding device 9, which will be described later.

As shown in FIGS. 7 and 8, this bag supply device 8 is provided with a loading table 24 passing through each window 22 formed at the center of the plate surface of both side plates 21. On the upper surface of this loading table 24, the bags W described above are stacked and placed. Then, a lifting cylinder CY is placed above this loading platform 24.
1 and an intermediate lifting cylinder CY4 are provided vertically.

The lifting cylinder CY1 is equipped with a vacuum pad at the tip of its piston rod, and the lifting cylinder CY1 is equipped with a vacuum pad at the tip of its piston rod.
The closed end Wc of the bag W on the top 4 is held by suction and lifted vertically. Further, the intermediate portion lifting cylinder CY4 is designed to suction and hold approximately the intermediate portion of the bag W.

A transport cylinder CY2 is horizontally connected to this intermediate lifting cylinder CY4, and bag opening cylinders CY5 and CY6, which will be described later, are used to hold the bag W by suction.
It is designed to be transported horizontally to the side.

The bag opening cylinders CY5 and CY6 are mounted on the loading platform 2.
4. It is provided so as to extend from the upper side to the front side (upper side in FIG. 7). This bag opening cylinder CY5, CY6
A vacuum pad is provided which is composed of a pair of upper and lower bags and which sucks and holds the bags W facing each other. Then, the bag opening cylinders CY5 and CY6 suction and hold both sides of the opening side of the bag W transported by the transport cylinder CY2 and the intermediate lifting cylinder CY4 from above and below, and the bag is retracted in opposite directions. The opening Wb of W is opened. In addition, this bag opening cylinder CY5,
A conveying cylinder CY3 is connected to CY6 as well as the aforementioned intermediate lifting cylinder CY4, and the bag W is conveyed in an open state.

Next, a bag holding device 9 and first and second placement devices 10 and 11 are provided adjacent to the front side (right side in FIGS. 1 and 2) of the bag supply device 8, and a snap The base 12 that constitutes the arrangement device will be explained.

The base 12 is formed into a substantially cylindrical shape with an open top, and a support column 30 is vertically provided at the center of the bottom. A rotary table 13 is provided in the middle of this support column 30 via a bearing. This rotary table 13 has a table surface 13a that is connected to the base 1.
It is formed into a substantially donut shape that covers the periphery of the opening of No. 2. A drive unit 31 provided inside the base 12
It is interlocked with and rotates in steps of 60 degrees.

Furthermore, a substantially disk-shaped fixed table 14 is provided at the upper end of the support column 30. The fixed table 14 has an outer diameter set to be slightly smaller than the outer diameter of the rotary table 13. Further, as shown in FIG. 9, the upper surface of the fixed table 14 is divided clockwise into equal sections of 60° with respect to the peripheral edge adjacent to the bag supply device 8 described above.
Then, the divided portion of the fixed table 14 divided into six equal parts is defined as the first station S1, and the second station S2, the third station S3, and the third station S3 are arranged clockwise.
4th station S4, 5th station S5,
The sixth station is set as S6.

In addition, the base 1 corresponding to the second station S2 and the fourth station S4 of each station
2. Each lift cylinder CY is installed near the internal peripheral wall.
7, CY8 is installed vertically.

Next, the configuration of the bag holding device 9 disposed on the rotary table 13 of the base 12 will be explained.

As shown in the schematic plan view of FIG.
In order to correspond to each of the stations S1 to S6 set on the fixed table 14, six stations are arranged at equal intervals of 60 degrees, and the first station S1 receives the bags W from the bag supply device 8 described above. passed,
This device sequentially transports bags W while holding them to each station S2 to S6.

The bag holding device 9 includes a substantially U-shaped lifting rail 40 with an open top and a hand portion 44 attached to the lifting rail 40. 1st
As shown in Figure 2, on the back side of the lifting rail 40,
A pair of elevation guide shafts 41 parallel to each other are provided in the vertical direction, and are slidably attached through a pair of bearings 42 provided on the table portion 13a of the rotary table 13. Further, a bracket 43 having an L-shaped cross section is provided at the lower end of each of these lifting guide shafts 41, and is used to connect lift cylinders CY7 and CY8 in the base 12 described above at the second and fourth stations S2 and S4. It is designed to come into contact with the tip of the rod.

Next, the hand section 44 is composed of a pair of left and right,
They are provided near both ends of the lifting rail 40. These hand parts 44 are slidably attached to the elevating rail 40 and can be fixed at positions corresponding to the opening width of the bag W.

Each hand portion 44 includes a rising support plate 45 and two guide shafts 46 provided horizontally extending from the upper end surface.
and a direct acting solenoid 47 are provided in parallel to each other. A coil spring 48 is wound around the guide shaft 46, and an arm 50 is slidably provided via a bearing 49, and the tip of a movable core 47a of a direct acting solenoid 47 is fixed to the center of the arm 50. There is.

As shown in FIG. 11, each arm 50 is formed into a substantially L-shape with an upper end extending forward. A rotary solenoid 51 is provided at the tip of each of these arms 50, and a bag holding piece 52 as shown in FIG. 10 is attached to the rotating shaft 51a. The bag holding piece 52 has a bent end 52a in an L-shape, and each bag holding piece 52 of both hand parts 44 holds the opening edge Wa of the bag W from inside. There is.

In other words, according to this bag holding device 9, the distance between each arm 50 of the pair of hand parts 44, 44 is shortened by the linear solenoid 47, and the rotary solenoid 51 moves each bag holding piece 52, 52 forward. The bag W is received from the bag holding device 8 toward the bag holding device 8, and the distance between the arms 50, 50 is widened so that the bag W can be held.

Next, the configuration of the two arrangement devices 10 and 11 arranged in parallel on the fixed table 14 of the base 12 will be explained.

As shown in FIGS. 1, 2, and 9, these placement devices 10 and 11 are fixedly installed on the second station S2 and fourth station S4 on the fixed table 14, respectively.

The first arrangement device 10 fixedly installed on the second station S2 bends one flap portion F1 of the bag W held by the bag holding device 9 all inward of the bag W, and This is a device for attaching a male snap 2 to a part.

In addition, a second station fixedly installed at the fourth station S4
The arrangement device 11 of the bag W is arranged on the other flap part F2 of the bag W.
This is a device for folding a bag W inward in the middle and attaching a female snap 3 to the bent part.

First, the first arrangement device 10, as shown in FIGS. 13 and 14,
4, a span adjustment section 60 constituting the base of the first snap placement device 10 is fixed. In the span adjustment section 60, a pair of fixed plates 61 that are parallel to each other are vertically provided on the fixed table 14. These fixing plates 61 are formed in a rectangular shape, and mounting holes are provided at each of the four corners so as to face each other.
Four guide shafts 62 are fixed at both ends of each of the fixing plates 61 in parallel to each other. In the center of these guide shafts 62, there is a guide shaft 6
A drive shaft 63 is provided in parallel with 2. The drive shaft 63 has a right-handed screw thread on one end of the intermediate portion, and a left-handed screw thread on the other end. Both ends of this drive shaft 63 are supported by bearings 64 provided on both fixed plates 61, respectively.
Furthermore, one end of the fixed plate 61a side is the fixed plate 6
It protrudes outward from 1a. One end of this protruding drive shaft 63 is located on the outside of one fixed plate 61a.
Drive motor 6 provided via bracket 65
6. Then, the guide shaft 62
A pair of movable plates 67 are slidably provided via bearings 68, and the drive shaft 63 is engaged with a nut portion 69 fixed at the center of each movable plate 67. Therefore, when the drive motor 66 is driven and the drive shaft 63 is rotated, each movable plate 67 moves along each guide shaft 62, and the threading direction of the drive shaft 63 changes from the middle of the drive shaft 63. Since they are reversed, each movable plate 67 can be moved simultaneously so as to always maintain the same distance from the center, and thereby the distance between both movable plates 67 can be arbitrarily set according to the opening width of the bag W. It's becoming like that.

Next, as shown in FIG. 14, each of the movable plates 67 has a vertically long connecting plate 70 fixed to its front end surface. Each of these connecting plates 70 has a snap attachment portion 71 fixed thereto. Here, these snap attaching parts 71 will be described in detail. Since these snap attaching parts 71 are formed symmetrically as shown in FIG. 13, one of the snap attaching parts will be explained.

As shown in FIG. 14, this snap attachment portion 71 is provided with a vertically long substrate 72 constituting its base fixed to the connection plate 70 and extended so as to face the top of the rotary table 13 of the base 12. ing.
As shown in FIG. 13, approximately in the center of the substrate 72, there is a
A plate-like block 73 formed in a substantially rectangular shape is vertically provided. In front of the lower edge of this block 73, a die portion 74 extending vertically is attached to the lower edge of this block 73.
is formed integrally with. This die portion 74 is located above the bag holding device 9 described above.

A groove-shaped guide rail portion 75 is formed on the front surface of the die portion 74 so as to be continuous with the front end surface of the block 73. This guide rail section 75 connects the mounting member 5 of the male snap 2 to the snap mounting section 71.
It is designed to be guided from above to the tip of the die part 74. A holding portion 74a is provided at the tip of the die portion 74. This holding part 74a has a 15th
A pair of holding claws 74b as shown in the figure is attached to temporarily hold the edge of the mounting member 5 guided by the guide rail portion 75. Each of the holding claws 74b is provided with a return spring (not shown), so that after the attachment member 5 is released, the next attachment member 5 can be held again.

A pair of horizontally elongated frame plates 76 extending forward are provided on both sides of the block 73 in parallel with each other. These frame plates 76
A notch 76a is formed at the center of the proximal side of the lower edge of the frame plate 76.
It is designed to protrude downward. Continuing from the notch 76a, a rectangular protrusion 76b is formed at the front midway of each lower edge of the frame plate 76, and a mounting block 77 is formed with an insertion hole between each protrusion 76b. is interposed.

Between each frame plate 76, a guide rail 78 is provided vertically close to the guide rail portion 75 of the block 73. This guide rail 78
A groove-shaped guide portion 78a is formed on the front surface to guide the convex member 4 of the male snap 2 downward. Further, the lower end of this guide rail 78 protrudes below the frame plate 76 similarly to the die portion 74.

Furthermore, on each end surface of each frame plate 76,
Vertical mounting bracket 79 that connects and fixes each
is provided. A striking cylinder CY9 is attached to the lower part of this mounting bracket 79. The piston rod of the striking cylinder CY9 extends and contracts horizontally through the mounting bracket 79. The proximal end of a hammer rod 80 is connected to the tip of the piston rod, and the hammer rod 80 is slidably inserted into the insertion hole of the aforementioned mounting block 77. The tip of the hammer rod 80 passes through the mounting block 77, and a striking portion 81 is provided at the end thereof. This striking portion 81 is provided with a holding claw 81a that temporarily holds the convex member 4 guided by the guide rail 78, similar to the holding claw 74b of the die portion 74. Then, this striking portion 81 is attached to the striking cylinder while holding the convex member 4.
By the CY9, the mounting member 5 held by the aforementioned die part 74 is hit, and each member 4, 5 is fitted together, and the protrusion 5a of the mounting member 5 is caulked.
It is supposed to be fixed. Each of these members 4, 5
When the is caulked and fixed, the retaining claws 74b and 81a of the retaining portion 74a and the nailing portion 81,
Due to the pressing force of the striking cylinder CY9, they spread to both sides and separate the members 4 and 5.

Further, below the guide rail 78 and the die section 74, an air blowing section 82 is provided as shown in FIG. This air blowing part 82 is composed of a horizontal blowing outlet 82a and a vertical blowing outlet 82b,
One flap part F1 of the bag W due to air pressure
It is now possible to form for bending.

Furthermore, one outer surface 7 of the frame plate 76
A guide claw 83 is vertically provided at 6c. The guide claw 83 has a wedge-shaped tip and is adapted to bend the flap portion F1 of the bag W.

Next, on the outer surface of the other frame plate 76d,
A support bracket 84 is provided. This support bracket 84 is adapted to support the hopper device 15. As shown in FIGS. 1 and 2, two hopper devices 15 are arranged in parallel on the upper part of the frame plate 76, and each member 4 of the male snap 2,
5 are arranged in the same direction and supplied to the guide rail 78 and the guide rail section 75.

These hopper devices 15 include
As shown in the figure, a partition device 90 is provided in the middle of each guide rail 91, 92 connected to the guide rail 78 between the frame plates 76 and the guide rail section 75. This partition device 90 is provided on a bracket 93 that is vertically installed at the base of the hopper device 15. An air cylinder CY11 is installed horizontally on this bracket 93, and a partition piece 94 formed in a fork shape as shown in FIG. 17 is connected to the tip of the rod. This partition piece 94 is connected to the guide rails 91 and 92 of the hopper device 15.
By sliding this partition piece 9 in the horizontal direction by an air cylinder CY11, the members 4 and 5 that are continuously guided to the guide rails 91 and 92 are connected to each guide rail 75. , 78, one set at a time.

Therefore, this first arranging device 10 is capable of attaching one flap portion F of the bag W held by the bag holding device 9.
1 is bent inward of the bag W using air pressure and a guide claw 83, and a male snap 2 is attached to the bent portion by impact from a cylinder CY9.

Next, the configuration of the second placement device 11 will be explained.

This second arrangement device 11 is shown in FIG.
As shown in Figure 9, it is composed of a span adjustment section, a snap attachment section, a hopper device, and a flap bending section. This second arranging device 11 has almost the same components as the first arranging device 10 described above, and differs only in the flap bending portion 100, so other equivalent parts are given the same numbers and explanations are omitted. do.

As shown in FIGS. 18 and 19, the flap bent portion 100 has a support frame 101 projecting from the outer surface of the other frame plate 76d. This support frame 1
01 is a pair of horizontal mounting plates 101a at the top and bottom.
and a vertical side wall plate 101b spanning these mounting plates 101a, forming a substantially U-shape. A pair of mutually parallel guide rods 102 are vertically provided between each mounting plate 101a of this support frame 101. In addition, the lower mounting plate 101a
A through hole is formed approximately in the center of the hole. Each guide rod 102 is connected to a slider 10 via a bearing.
3 is slidably provided. This slider 1
03 has a substantially rectangular shape, and a guide pin 104 extending vertically is implanted in the substantially center of the bottom surface. This guide pin 104 passes through a through hole in the lower mounting plate 101a and projects downward from the lower mounting plate 101a. And this guide pin 1
The tip of the bag holding device 9 comes into contact with the rising support plate 45 of the bag holding device 9 mentioned above.

A bracket 105 whose tip extends forward is fixed to the side surface of the slider 103. At the tip of this bracket 105, a tension cylinder CY10 that expands and contracts in the horizontal direction is provided.

Further, a pair of extending pieces are formed at the tip of the slider 103, and are formed in a substantially U-shape.
An arm 106 whose tip is bent downward into an L-shape is rotatably connected between these extending pieces by a pin 107. A connecting piece 108 is provided in a protruding manner in the middle of one side of the arm 106 . The piston rod of the aforementioned tension cylinder CY10 is connected with a pin. Furthermore, a hand portion 109 is provided at the tip of the arm 106 so as to face downward.

This hand portion 109 has a pair of clamping claws 110 and 111, as shown in FIG. One of the gripping claws 110 has a semicircular curved portion 110a formed on the inner surface of the tip, and a flat portion 110b formed at the tip. Moreover, the other clamping claw 111 is
It has a clamping surface 111a that comes into contact with the flat part 110b at the tip of the one clamping claw 110, and the curved part 11
A bent portion 111b facing one end of 1a is formed.

Therefore, this bracket bending part 100 bends the other flap part F2 of the bag W in the middle by the pair of clamping claws 110, 111 as shown in FIG.
0 pull the bag W outward from each other, and the flap part F2
When the bag holding device 9 rises, the flap part F2 of the bag W rises at the same time in a folded state.

Next, the operation of the mounting device 1 consisting of each part and each device configured as described above will be explained.

First, lift one of the top bags W placed on the loading table 24 of the bag supply device 8 into the lifting cylinder CY.
The first rod extends and holds the closed end side of the bag W by the suction of the vacuum pad.

Next, the rod of the lifting cylinder CY1 retracts and lifts the bag W. After the lifting stops, the rod of the intermediate lifting cylinder CY4 extends and holds the bag W by suction. At this time, the lifting cylinder CY1 is
The suction holding of the bag W is released and the closed end of the bag W is separated.

The intermediate lifting cylinder CY4 lifts the bag W while sucking and holding the bag W, and transfers it to the transport cylinder CY.
The bag W is conveyed to the bag opening cylinders CY5 and CY6 by the retracting operation of the rod 2.

And a pair of upper and lower bag release cylinders CY5, CY
6 simultaneously extends the rod and opens the bag W.
Both sides of Wb are held under suction as shown by the dashed line in FIG. At this time, the intermediate lifting cylinder CY4 stops sucking and holding the bag W and returns to the initial setting position.

Next, the rod of the transport cylinder CY3 is extended, and the rods of the bag opening cylinders CY5 and CY6 are simultaneously retracted, opening the opening Wb of the bag W in the vertical direction, and as shown in FIG. It is delivered to the holding device 9.

At this time, the bag holding device 9
7 and rotary solenoid 51 respectively operate, and both arms 5
In addition to shortening the distance between 0 and 0, each bag holding piece 52 is directed toward the bag supply device 8 side to wait for the delivery of the bag W.

When the opening Wb of the bag W is conveyed around the bag holding piece 52 by the bag opening cylinders CY5 and CY6,
The direct acting solenoid 47 is actuated, and the space between the two arms 50 is expanded, and both ends of the bag W are held in an open state. At the same time, the bag release cylinders CY5 and CY6 release the suction hold on the bag W. Then, the rotary solenoid 51 is activated to direct the opening Wb of the bag W upward. At this time, although not shown, the bag holding device 8
Air is blown out from above, and when the bag W cannot be delivered accurately, the bag W is caused to fall downward.

Next, the rotary table 13 is rotated at 60° with respect to the base 12.
It rotates, stops at the second station S2, and moves the bag holding device 9 below the first placement device 10.

In the first arrangement device 10, first, as shown in FIG.
is blown out from each of the blowing portions 82a and 82b, and one flap portion F1 of the bag W is bent and formed inward by the pressure of the air.

Next, the bag holding device 9 is lifted from the rotary table 13 by the lift cylinder CY7. At this time, the presence or absence of the bag is detected by an optical sensor (not shown). If you don't have a bag, use the male snap 2 described later.
No installation operation is performed. At the same time as the bag is raised, the one flap part F1 is bent inward of the bag W by the guide claw 83, as shown in FIG.

When the lifting cylinder CY7 stops rising, the hammering cylinder CY9 operates and attaches the male snap 2 to the bent portion of the bag W.

After installing male snap 2, lift cylinder CY
7 retracts the rod and lowers the bag holding device 9. At this time, a sensor (not shown) detects whether the snap 2 is attached to the bag W.

When the bag holding device 9 returns to the rotary table 13,
The rotary table 13 rotates 60 degrees and stops at the third station S3.

Furthermore, the rotary table 13 rotates 60 degrees, and the fourth
The bag holding device 9 is stopped at the station S4, that is, the bag holding device 9 is moved below the second placement device 11.

Here, if the first placement device 10 detects that the bag W is not held, the second placement device 11 does not operate and waits until the next step.

In the second arrangement device 11, air (arrow B in the figure) is blown out from the lower side of the base 12 from an outlet (not shown), and the other flap part F2 of the bag W is moved approximately vertically as shown in FIG. stand up.

Next, the clamping claws 110 of the flap bent portion 100,
111 pinches the other flap part F2 and simultaneously bends it in the middle, as shown in FIG.

Then, as the tension cylinder CY10 of this flap bending part 100 simultaneously retracts as shown in FIG. 26, the other flap part F2 is pulled toward both ends, thereby strengthening the folding of the cut part.

Next, as shown in FIG. 25, the bag holding device 9 is raised by the lift cylinder CY8 in the above-described state. At this time, the flap bending part 100 is raised simultaneously with the bag holding device 9 by the guide pin 104, and the other flap part F2 is raised by the guide claw 83.
is bent. Further, during the ascent, the presence or absence of the bag W is detected by an optical sensor (not shown). If there is no bag W, the operation of attaching the female snap 3, which will be described later, is omitted.

When the lift cylinder CY8 stops rising, the striking cylinder CY9 operates and attaches the female snap 3 to the bent part of the bag W in the same way as the male snap 2 described above.
Install.

After installing female snap 3, snap bent part 1
00 releases the grip of the bag W and moves down together with the bag holding device 9 as the rod of the lift cylinder CY8 retracts. At this time, a sensor (not shown) detects whether the female snap 3 is attached to the bag W.

When the bag holding device 9 returns to the rotary table 13,
The rotary table 13 rotates 60 degrees and stops at the fifth station S5.

In this fifth station S5, the direct-acting solenoid 47 of the bag holding device 9 is operated by a sensor that detects whether or not each of the snaps 2 and 3 is attached. That is, when the sensors of the second and fourth stations S2 and S4 detect a location where the snaps 2 and 3 are not attached to the bag W, the bag W is determined to be a defective product and is moved directly to the fifth station S5. When the solenoid 47 is activated, the bag holding device 9 releases its hold on the bag W and causes the bag W to fall.

Next, the rotary table 13 rotates 60 degrees and stops at the sixth station S6.

At this sixth station S6, the bag that has passed through the fifth station S5, that is, the finished bag W as shown in FIG. 6, is dropped by releasing the bag holding device 9.

Further, the rotary table 13 rotates by 60 degrees and stops at the first station S1 where bags are delivered from the bag supply device 8 mentioned above.

Note that other bag holding devices 9 on the rotary table 13
Similarly, each operation is performed sequentially.

[Effect of idea]

As explained above, the snap installation device of the present invention can always attach one pair of male or female snaps to a ready-made bag by caulking them with a cylinder. Therefore, it is possible to automate the conventional manual work of attaching snaps to bags, which improves work efficiency and saves labor, reducing work costs. This has the effect of being able to reduce the amount.

[Brief explanation of the drawing]

Fig. 1 is a plan view showing an embodiment of the automatic snap mounting device according to the present invention, Fig. 2 is a partially cutaway side view of the automatic snap mounting device according to the same embodiment, and Fig. 3 is a plan view showing the automatic snap mounting device according to the present embodiment. FIG. 4 is a perspective view of the male snap, FIG. 5 is a perspective view of the female snap, FIG. 6 is a schematic side view showing each snap attached to the bag, and FIG. 7 is a schematic perspective view of the bag handled by the device. 8 is a plan view of the bag feeding device, FIG. 8 is a cross-sectional view taken along the - line in FIG. 7, FIG. 9 is a schematic diagram of the base, FIG. 10 is a plan view of the bag holding device, and FIG. Side view of the holding device, FIG.
FIG. 13 is a partially omitted plan view of the first snap arranging device, and FIG.
The figure is a partially omitted side view of the first arrangement device, and the 15th
The figure is a sectional view taken along the - line in Figure 13.
Fig. 6 is a side view of the partition device, Fig. 17 is a sectional view taken along the line - - in Fig. 16, Fig. 18 is a partially omitted plan view of the second snap arrangement device, and Fig. 19 is a side view of the second arrangement device. A partially omitted side view of the device, FIG. 20 is an explanatory diagram of the operation of the bag feeding device, FIGS. 21 and 22 are explanatory diagrams of the operation of folding one flap part of the bag, and
3 to 26 are explanatory views of the bending operation of the other flap portion. 2...male snap, 3...female snap,
4, 6... Fitting member (convex member, concave member), 5,
7...Mounting member (mounting member, head member), 10,1
1... First and second arrangement devices, 12... Base,
15...Hopper device, 74a...Holding section, 81...
...Passing part, CY9...Cylinder, W...Bag,
Wa...Aperture edge.

Claims (1)

[Claims for Utility Model Registration] A pair of hopper devices that feed out one pair of fitting members and attachment members that constitute a male or female snap, and the fitting device that is fed out from one of the hopper devices. a holding part that removably holds a member or a mounting member; a striking part that removably holds the mounting member or fitting member delivered from the other hopper device; a cylinder for causing a striking part to hit the holding part and caulking the fitting member and the attachment member together; Attach the snap,
First and second placement devices for attaching female or male snaps to the other opening edge, and each of the placement devices are fixedly installed in parallel to hold the bag in an open state and to hold the bag in an open state. A snap placement device comprising: a base for sequentially transporting bags to each of the placement devices;