JPS633604B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a sorting device for sorting slide fasteners, which are sent out in a vertical position with the slider at the rear end, into non-defective products and defective products.

An automatic finishing device that finishes slide fasteners from a long fastener chain generally finishes the fastener chain on the downstream side of the cutting mechanism (the supply side of the slide fastener) using a feeding mechanism provided upstream of the cutting mechanism (supply side of the fastener chain). The fastener chain is transferred by this transfer mechanism, and when the space part of the fastener chain reaches the cutting mechanism, the cutting mechanism is operated to cut the fastener chain and produce a slide fastener. The structure is such that the cut slide fastener is discharged. When finishing with this type of finishing equipment, it is often the case that multiple fastener chains are connected in series and the finishing equipment is operated continuously.In this case, the fastener chains are connected with staples, etc. Attached with metal tape. Therefore, the slide fastener of the connecting portion is a defective product, and it is necessary to distinguish it from good products.

To provide a slide fastener sorting device of a simple configuration capable of automatically and reliably sorting discharged slide fasteners into good and defective products and preventing the slide fasteners from jamming. With the goal.

The present invention will be described below based on embodiments shown in the drawings.

The finishing device shown in FIGS. 1 to 9 includes a fastener chain delivery mechanism 1, a stop mechanism 2 for stopping the transfer of the fastener chain, a cutting mechanism 3 for cutting the fastener chain, and a downstream part of the cutting mechanism 3. the first transfer mechanism 4;
A second transfer mechanism 5 for discharging provided at the next stage of the transfer mechanism 4 and a sorting mechanism 6 for sorting the product chain discharged by the second transfer mechanism 5 are provided. A storage mechanism 7 is provided for arranging and storing the slide fasteners SF separated by the sorting mechanism 6 in a vertical column.

As shown in FIG. 10, the fastener chain used in this finishing device includes a tape 110, a top stop 111, a bottom stop 112, an element row 113,
A chain portion consisting of a slider 114 is connected via space portions 117 formed at predetermined intervals in the longitudinal direction, and the lower stop 112 is on the downstream side (tip side), and the puller 1 of the slider 114
15 is introduced via the guide plate 8 with the attachment part 116 positioned below. A metal tape (not shown) is attached to the connection between one continuous fastener chain and the next continuous fastener chain.

The feed mechanism 1 is a mechanism that pinches the tip of the fastener chain and feeds it to the first transfer mechanism 4 via the cutting mechanism 3, and has a slide ram 10 attached to a frame 9 so as to be slidable in the transfer direction of the fastener chain. A chain guide 11, a pair of grippers 12, a slider sensor 13, and a receiving plate 14 are attached to this slide ram 10.

The chain guide 11 is provided along the transfer path of the fastener chain, that is, the chain transfer path FC, and the chain guide 11 is provided along the transfer path of the fastener chain, that is, the chain transfer path FC.
14 and a guide groove 15 for the handle 115 and its attachment part 116 in the longitudinal direction, and the guide groove 15
is provided along the chain transfer path FC with the chain facing upward.

Both grippers 12 and the slider sensor 13 are rotatably supported by a shaft 16 attached to the slide ram 10 at a downstream portion of the slide ram 10 and below the chain transfer path FC.
Further, both grippers 12 are separated from each other in the width direction of the fastener chain, and the slider sensor 13 is located between both grippers 12.

The tip portions 12a of both grippers 12 are connected to the cutting mechanism 3.
Tape 1 of the fastener chain extends close to
10 is pressed against the receiving plate 14.
It serves as a clamping part that jointly clamps the shaft. The rear ends 12b of both grippers 12 are connected to each other,
The connecting portion is connected to the piston of the cylinder C1. The tips 12a of both grippers 12 are normally retracted from the chain transfer path FC, and are simultaneously rotated about the shaft 16 by the cylinder C1 at the time of delivery.

The slider sensor 13 also serves as a first chain closing mechanism, and its tip 13a is a contact portion that comes into contact with the slider 114, and a spring 1 is attached so that this contact portion protrudes into the passage portion of the slider 114.
7, it is constantly energized. Slider sensor 1
A slider 114 is provided at the rear end portion 13b of 3, which is turned on and off as the slider sensor 13 rotates.
Limit switch S1 that detects when the
is provided. The tip 13a is the slider 1
A notch 18 is formed to reduce the amount of rotation by avoiding contact between the handle 115 of 14 and its mounting portion 116 (see FIG. 2).

The receiving plate 14 is integrally formed on the distal end side of the chain guide 11 so as to be above the chain transfer path FC, and its distal end portion 14a extends close to the cutting mechanism 3. The tip portion 14a is divided into two tip portions at the center in the width direction by a notch 19 having a width slightly wider than the width of the slider 114, and both tip portions are connected to the tips of both grippers 12 via a chain transfer path FC. It faces the section 12a.

A cylinder C1 and a limit switch S1 are also attached to the slide ram 10.

As shown in FIG. 2, a sensor cylinder SC with a sensor is attached to the frame 9.
This sensor cylinder SC has a first reed switch LS1 that detects that the piston is in the forward position.
A second reed switch LS2 is attached with a metal band or the like to sense that the vehicle is in the reverse position. The piston rod of this sensor cylinder SC is connected to a slide ram 10.

This sensor cylinder SC is activated when the fastener chain starts moving, and moves the slide ram 10 forward first and then backward. As the slide ram 10 moves forward and backward, the chain guide 11,
Gripper 12, slider sensor 13, receiving plate 1
4. The cylinder C1 and limit switch S1 also move forward and backward.

The stop mechanism 2 is a mechanism that appears in the chain transfer path FC to control the transfer of the fastener chain, and has a chain stopper 21 attached to the base 20.

The base 20 is attached to the frame 9 so as to be slidable in the transfer direction of the fastener chain with respect to the frame 9, and is constantly urged in the upstream direction by a spring 22 so that the base 20 is attached to the first stop surface 9a formed on the frame 9. Being pressed.

A rising wall 20a is formed at the upstream end of the base 20, and when the base 20 moves forward, the rising wall 20a contacts the second stop surface 9b of the frame 9 to control the amount of movement. A bolt 23 for a limiting stopper and a bolt 24 for detecting forward and backward movement of the base are screwed in from the upstream side. The distance between the tip of the bolt 23 and the second stop surface 9b of the frame 9 is adjusted to about 2 mm.

The downstream side of the base 20 is a horizontal wall 20b, and a chain stopper 21 is installed on this horizontal wall 20b.
A cylinder C5 for tilting the chain stopper 21 and a limit switch S2 for sensing that the chain stopper 21 has returned are installed.

The chain stopper 21 has a tip 21a bent downward, and this tip 21a touches the receiving plate 1.
The rear end portion is rotatably attached to the base 20 by a shaft 25 so as to appear and retract into the chain transfer path FC through the notch 19 in the tip portion 14a of the chain transfer path FC. The chain stopper 21 also has a long hole 2 in the center.
6 is formed, and is connected to the piston rod of the cylinder C5 via a pin 27 inserted into the elongated hole 26, and the tip 21a is normally retracted from the chain transfer path FC. Limit switch S
The second operating lever is in contact with the upper part of the chain stopper 21.

The cutting mechanism 3 is a type of cutter that cuts the fastener chain by intersecting two blades 30 and 31. The upper blade 30 is a fixed blade fixed to a holder 32, and the lower blade 31 is fixed to the upper side of a movable body 80, which is held movably up and down by the holder 33, with a screw 81 as shown in FIG. It has become a movable blade. The blade portion 34 of the upper blade 30 is formed on the upstream side and has a serrated surface. The blade portion 35 of the lower blade 31 is formed on the downstream side and has a serrated surface facing the blade portion 34 of the upper blade 30. As shown in FIG. 3, the upper blade 30 has a cutout on the upstream side of the lower end, and a blind hole 36 extending upward from this cutout part is formed in the remaining upstream side of the lower end. A dovetail-shaped guide groove 37 extending in the vertical direction is formed facing the blind hole 36. A pressure pad 38 and a spring 39 are provided within the blind hole 36.

As shown in FIG. 3, the upper part of the pressure pad 38 is inserted into the blind hole 36 so as to be able to move up and down, and the protrusion part 38a formed on the lower downstream side is inserted into the guide groove 3.
7 so as to be movable up and down, and as shown in FIG. The pressure pad 38 is made to have a size such that its lower end surface does not protrude below the lower end surface of the upper blade 30.

A rack 82 is formed in the vertical direction on the downstream side of the movable body 80 to which the lower blade 31 is screwed.
A tooth portion 84 formed on the arcuate surface of an operating lever 83 meshes with this rack 82. Actuation lever 8
3 is fixed to a shaft 85 rotatably supported by a frame (not shown) or the like, and to this shaft 85 is fixed the other end of a drive lever 86, one end of which is connected to the cylinder rod of cylinder C6. .

In the lower blade 31, the blade portion 35 is normally the chain transfer path.
However, when the cylinder C6 is driven and its cylinder rod is raised, the drive lever 86, shaft 85 and operating lever 83 are rotated clockwise in FIG. The portion 35 protrudes above the chain transfer path FC so as to be located upstream of the blade portion 34 of the upper blade 30;
The pressure part 38 of the upper blade 30 is retreated.

A first sensing plate 87 for sensing that the cylinder C6 has reached the top dead center is provided on the side of the drive lever 86 connected to the cylinder rod. A second sensing plate 88 is provided to sense what has happened.

A limit switch S4 that is turned on and off by the first sensing plate 87 is provided at the location where the first sensing plate 87 reaches when the cylinder C6 reaches the top dead center. A limit switch S5, which is turned on and off by the second sensing plate 88, is provided at the location where the second sensing plate 88 reaches when this occurs. The limit switch S4 senses that the lower blade 31 has risen, and the limit switch S5 senses that the lower blade 31 has lowered.

As shown in FIGS. 1 and 4, the first transfer mechanism 4 includes a pair of feed rollers 40 attached to a drive shaft 42, and a shaft 43 that is provided facing the feed rollers 40 across a chain transfer path FC. This is a roller transfer mechanism having a pair of press rollers 41 that are rotatably provided on the slider 11.
At least slider 1 so as not to touch 4.
14 widths apart.

The drive shaft 42 rotatably passes through the support wall 29 and is connected to a rotation source (not shown) such as a motor (see FIG. 4).

The shaft 43 is attached to a movable body 46 that is supported by the holder 45 so as to be able to move up and down, and the movable body 46 is constantly urged upward by a spring 47 that is applied between the shaft 43 and the holder 45. 41
is normally separated from the feed roller 40.

A cylinder C2 for lowering the movable body 46 is provided at the upper end of the holder 45.

The portion of the holder 44 on the second transfer mechanism 5 side is a thick portion 44a, and a hole 48 is formed in the thick portion 44a to penetrate in the vertical direction. The lower end surface of the thick portion 44a is a stopper surface that comes into contact with a step formed on the movable body 46 to limit the upward position of the movable body 46.

As shown in FIG. 4, the support wall 29 to which the holder 44 is fixed is provided with a position regulating mechanism 100 that stops the rise of the press rollers 41, 41 once at an intermediate position to regulate the rise of the rolls. There is.

As shown in FIG. 4, this position regulating mechanism 100 includes a regulating pin 101 movably inserted into a hole 48 of a thick wall portion 44a of a holder 44, and a regulating pin 101 that is tiltably attached to the upper part of the holder 44 by a shaft 102. a regulating lever 103, an adjustment pin 104 for adjusting the stop position of the press roller 41, a bracket 105 fixed to the support wall 29, and this bracket 10.
cylinder C3 fixed to the lower side of bracket 105, and limit switch S fixed to the upper side of bracket 105.
7.

As shown in FIG. 1, one end of the regulation lever 103 has an inverted L-shaped cross section, and its lower end surface is in contact with the upper end of the regulation pin 101. The other end of the regulating lever 103 protrudes through a hole 106 formed in the upper part of the support wall 29 and has a long hole 107 . This elongated hole 107 has pin 1.
08 passes through the cylinder C3, and this pin 108 connects the regulating lever 103 to the piston rod of the cylinder C3.

The adjustment pin 104 is a threaded rod that is screwed into a screw hole formed from the upper end surface of the support wall 29 to the hole 106, and its lower end surface faces the upper surface of the regulation lever 103. The stop position of the press roller 41 can be adjusted by adjusting the amount of protrusion of the adjustment pin 104 into the hole 106 to adjust the tiltable range of the regulation lever 103.

The limit switch S7 is activated when the upper surface of the regulating lever 103 comes into contact with the lower end surface of the adjusting pin 104 as shown in FIG. The operating rod of the cylinder C3 comes into contact with the regulating lever 103, and the regulating lever 103 is moved by the backward movement of the piston rod of the cylinder C3.
is separated from the adjustment pin 104 and the press roller 41 is released from rising, the limit switch S
The operating rod 7 has come off the regulation lever 103.

The raised position of the press roller 41 when the position regulating mechanism 100 operates is a slightly raised position where the tape of the fastener chain is not pressed against the feed roller 40.

The first transfer mechanism 4 is provided with a pair of tilting plates 90 and 91 that constitute a second chain closing mechanism.

The tilting plate 90 is rotatably attached to the drive shaft 42 between the feed rollers 40, and is constantly urged counterclockwise in FIG. 1 by a spring 92. The top surface of the tilting plate 90 is a flat surface, and an inclined surface is formed from the top surface to the upstream side surface. This tilting plate 90
The spring 9 is tightened by the stopper bolt 94 screwed into the spring 9.
2 is restricted so that the upper surface is kept parallel to the chain transfer path FC.

The tilting plate 91 is rotatably attached to the shaft 43 between the press rollers 41 and
6 is constantly biased clockwise in FIG. Tilt plate 91
The lower surface is flat, and an inclined surface is formed from this lower surface to the upstream side surface. Further, the rotation of this tilting plate 91 by a spring 95 is restricted by a stopper bolt 96 screwed into the lower part of the movable body 46, so that the lower surface thereof is maintained in a state parallel to the chain transfer path FC.

When the press roller 41 is in contact with the feed roller 40, the tilting plate 91 is moved by the position regulating mechanism 100.
is in operation and the press roller 41 is separated from the feed roller 40 and raised to an intermediate position, the element row 113 of the fastener chain can pass between the slider 11 and the tilting plate 90.
It has a spacing that makes contact with 4.

A slider stopper 97 is provided at the lower end of the tilting plate 90.
is provided. This slider stopper 97 is a bolt screwed into the tilting plate 90, and a limit switch S6 is provided facing the head thereof.

In the limit switch S6, the slider 114 is in contact with the tilting plate 90, and the tilting plate 90 is in contact with the slider 11.
4, the slider stopper 97 is rotated clockwise in FIG. 1, and the slider stopper 97 is separated from the operating rod of the limit switch S6, thereby sensing the passage of the slider 114.

A photo sensor PS1 is provided in the chain transfer path FC between the cutting mechanism 3 and the first transfer mechanism 4 so as not to interfere with the transfer of the fastener chain.

Similarly to the first transfer mechanism 4, the second transfer mechanism 5 also has
Feed roller 50 attached to drive shaft 52
and a press roller 51 rotatably attached to a shaft 53.
It is transported at a higher speed than the first transport mechanism 4.

Although not shown, the feed roller 50 and the press roller 51 are provided in pairs separated by a distance slightly wider than the width of the slider 114.

Although not shown, the drive shaft 52 is also connected to a rotation source such as a motor.

The shaft 53 is attached to a movable body 55 that is supported by a holder 54 so as to be able to move up and down, and the movable body 55 is constantly urged upward by a spring 56 that is applied between the shaft 53 and the holder 54. roller 5
1 is normally separated from the feed roller 50.

A cylinder C4 for lowering the movable body 55 is provided at the upper end of the holder 54.

In the chain transfer path FC by the second transfer mechanism 5,
The photosensor PS2 is provided so as not to interfere with the transfer of the fastener chain.

The sorting mechanism 6 has a chain guide 60 that guides the slide fasteners horizontally discharged by the second transfer mechanism 5 downward along a curved passage 61. As shown in FIG. 6, the chain guide 60 has two members 62, 63 separated by a distance that allows the slider 114 to pass through, and a pair of side plates 64, 64'.
It is integrated with a fixed guide 65 at the discharge side end.
An elongated fixed guide lever 66 and a movable guide lever 67, which are provided integrally with each other, are provided facing each other.

The fixed guide 65 is fixed to the member 62,
A guide lever 67 is provided on the member 63.
The guide lever 67 is supported by a guide pin 68 that is slidably provided on the member 63 and faces the guide lever 66 via a sorting passage 61a that continues to the curved passage 61.
The guide lever 66 is biased by a spring 69 provided at the guide lever 8 so that the slider 114 is separated from the guide lever 66 by a distance that allows the slider 114 to pass therethrough, as shown in FIG.

The member 63 of the chain guide 60 is provided with a cylinder C7 that moves the movable guide lever 67 to narrow the slide fastener selection passage 61a. This cylinder C7 has its piston rod connected to a movable guide lever 67, and by moving the movable guide lever 67 toward the fixed guide lever 66, the sorting passage between the cylinder C7 and the fixed guide lever 66 is opened as shown in FIG. The distance is set such that the slider 114 does not pass through, but the element row 113 can pass.

A photosensor PS3 is provided on the fixed guide 65 so as not to interfere with the movement of the slide fastener.

Both guide levers 66 and 67 are inclined so that their upper surfaces are at approximately the same height (seventh guide lever).
(See figures 9 to 9). As a result, cylinder C7
operates and the passage between the guide levers 66, 67 narrows, the slide fastener being transferred will move its slider 114 to the guide levers 66, 6.
7 and is guided diagonally downward by both guide levers 66 and 67 and moved toward the storage mechanism 7 side. However, if no slider is attached to the slide fastener that is being transferred, the slide fastener will fall downward and enter the receiving box 7.
Enter 9.

Note that the slide fastener being transferred moves downward and sideways on both guide levers 66 and 67 due to its own weight, but if this movement cannot be performed only by its own weight, the air nozzle 78 is moved as shown in FIG.
The movement of the slide fastener may be facilitated by blowing out air from the slide fastener.

As shown in FIGS. 7 to 9, the storage mechanism 7 has a pair of stock bars 70 and 71 that receive slide fasteners guided by both guide levers 66 and 67. Stock bar 70, 71
are integrated by two connecting members 72, 72, and the distance between them is fixed at a distance that does not allow the slider 114 to pass through, but allows the element row 113 to pass through. The stock bars 70 and 71 are connected to the guide lever 66 by a connecting piece 73, and are maintained in an inclined state by a lower connecting member and a support bar 74. stock bar 7
A photosensor PS4 is provided at the chain inlet on the sorting mechanism 6 side at 0 and 71. stock bar 70,
The tip of 71 is a slide fastener takeout part, and this takeout part has a pair of leaf springs 7 to prevent the stored slide fastener from coming out.
5, 75 are provided, and a photo sensor
PS5 is installed.

The leaf springs 75, 75 have their proximal ends connected to the strain lever 7.
0.0, 71, and the tips are in contact with each other in a pressed state.

Each cylinder C1, C2, C3, C4, C5, C
7 is a known type driven by hydraulic or pneumatic pressure. In addition, each photo sensor PS1, PS2, PS
3, PS4, and PS5 are known devices consisting of a pair of a light emitting element and a light receiving element.

Next, an embodiment of the electric circuit of the above-mentioned finishing device will be described with reference to FIG.

In the figure, 120 is an addition/subtraction counter that adds 1 each time a detection signal is input from the photosensor PS4 inputted to its addition terminal, and subtracts 1 each time a detection signal is inputted from the photosensor PS1. Count the number of correct slide fasteners.

The count value of this counter 120 is calculated by the comparator 121
The comparator 121 compares the set value of the numerical value setter 122 inputted to the other data input terminal. The numerical setting device 122 is used to manually set the number of slide fasteners to be manufactured when the finishing device is started once, and for example, a commercially available manually operated digital switch or an input device using a numeric keypad is used. be able to. Comparator 12
Reference numeral 1 denotes a known circuit that outputs a coincidence signal when both inputs coincide, and the coincidence signal is sent to the arithmetic control circuit 123 as an interrupt signal to stop the finishing device when a predetermined number of slide fasteners have been manufactured. is input.

The arithmetic control circuit 123 is connected to the photo sensor PS1 or
PS5, limit switch S1 to S7, reed switch LS1 to LS2, start switch 12
This circuit controls the finishing device by controlling the driving circuit 124 of each cylinder based on the output signals of the comparator 5 and the comparator 121, and uses a commercially available microprocessor.

Next, the operation of the finishing device described above will be explained.

In the standby state, the fastener chain has the pull 115 of the slider 114 on the lower side, and the lower stop 1
12 as the starting end side, pass through the chain guide 8 and the guide groove 15 so that the tip thereof reaches the cutting mechanism 3.
It is located in In this state, the feed mechanism 1 is retracted, and the reed switch indicates this fact.
It is sensed by LS1.

Therefore, the operator only has to set the number of slide fasteners to be manufactured in the setting device 122, and after confirming that no slide fasteners are stored in the storage mechanism 7, press down the start switch 125.
If the photo sensor PS5 detects the slide fastener when the start switch 125 is pressed down, the finishing device will not start. However, if the photosensor PS5 does not detect the slide fastener, the arithmetic control circuit 123 initializes the counter 120 and then outputs a control signal to the drive circuit 124. As a result, the cylinder C1 moves forward, the gripper 12 rotates, and the gripper 1
2 and the receiving plate 14 sandwich the tape at the tip of the fastener chain.

In this state, the sensor cylinder SC moves forward to advance the delivery mechanism 1 and send the tip of the fastener chain through the cutting mechanism 3 to the first transfer mechanism 4 at the next stage.

The tip of the fastener chain is the first transfer mechanism 4
The reed switch LS2 provided in the sensor cylinder SC senses that the cylinder is sent out.
As a result, the arithmetic control circuit 123 is connected to the drive circuit 124.
Outputs the following control signal to As a result, the cylinders C1 and SC move backward, the gripper 12 and the receiving plate 14 release the fastener chain, the feeding mechanism 1 moves backward, and the cylinders C1 and SC move backward. At the same time, the cylinder C2 moves forward to lower the movable body 46. Thereby, the fastener chain is transported at low speed toward the second transport mechanism 5 at the next stage with the tape being held between the feed roller 40 and the press roller 41. And cylinder C
At the same time as cylinder C3 moves forward, cylinder C3 moves forward to maintain the regulating lever 103 of the position regulating mechanism 100 in the state shown in FIG. In this state, the restriction pin 101 and the restriction lever 103 are slightly apart.

The limit switch S7 senses that the cylinder C3 is moving forward so that the regulating lever 103 is in the state shown in FIG.

When the photo sensor PS2 senses the tip of the fastener chain while the limit switch S7 senses that the cylinder C3 is moving forward, the arithmetic control circuit 123 outputs the next control signal to the drive circuit 124. As a result, the cylinder C4 moves forward to lower the movable body 55 of the second transfer mechanism 5, whereby the fastener chain is transferred at high speed by the feed roller 50 and press roller 51. Further, at the same time as the cylinder C4 moves forward, the cylinder C2 moves backward, and as a result, the press roller 41 rises due to the force of the spring 47, but the rising position is regulated by the position regulating mechanism 100, and the press roller 41 moves slightly away from the feed roller 40. kept separate. Both rollers 40 in this state,
The distance 41 is a distance through which the tape 110 can pass, but the slider 114 cannot.

When the photo sensor PS1 detects the aforementioned metal tape while the fastener chain is being moved at high speed by the second moving mechanism 5, the counter 120
decrements the count by 1.

When the fastener chain is transferred by the second transfer mechanism 5 and the slider 114 comes into contact with the slider sensor 13, the slider 114 moves to the slider sensor 1.
3, the movement of the unmeshed portion of the element row is closed, and then the slider sensor 13 is moved against the force of the spring 17 to move the slider sensor 13 to the first position.
In the figure, it is rotated clockwise to pass the slider sensor 13.

When the limit switch S1 detects that the slider 114 has passed the slider sensor 13, the arithmetic control circuit 123 sends the next control signal to the drive circuit 12.
Output to 4. As a result, the cylinder C5 moves forward and moves the tip 21a of the chain stopper 21 of the stop mechanism 2 downward. As a result, the tip end 21 of the chain stopper 21 projects downward through the chain transfer path FC through the notch 19 of the receiving plate 14, and is located in the space portion or the passage portion of the unmeshed portion of the element row. In this state, the bottom stop 112 is attached to the tip 21 of the chain stopper 21.
When it comes into contact with a, the entire stop mechanism 2 moves forward by the distance between the bolt 23 and the second stop surface 9b of the frame 9 as the fastener chain FC is transferred, and then stops the movement of the fastener chain FC.

When the limit switch S3 detects that the stop mechanism 2 has moved forward, the arithmetic control circuit 123 outputs the next control signal to the drive circuit 124. As a result,
Cylinder C4 moves backward, thereby causing the second
The press roller 51 of the transfer mechanism 5 is lifted by the force of the spring 56 and separated from the feed roller 50, and the fastener chain becomes free.

When the Huasuner chain becomes free,
The stopping mechanism 2 moves back by the amount moved forward by the force of the spring 22, and pulls back the fastener chain FC by that amount.

When the limit switch S3 senses that the stop mechanism 2 has moved backward, the arithmetic control circuit 123 outputs the next control signal to the drive circuit 124. As a result,
The cylinder C6 moves forward to raise the lower blade 31 of the cutting mechanism 3 above the transfer path FC of the chain. As a result, the fastener chain is cut at the spout portion between the first chain portion and the second chain portion on the distal end side. in this case,
Since the blade portions 34 and 35 of the upper blade 30 and the lower blade 31 are serrated so as to face each other, the cutting line is serrated.

When the lower blade 31 is raised and the limit switch S4 senses that cutting is complete, the arithmetic control circuit 123 outputs the next control signal to the drive circuit 124. As a result, the cylinder C6 moves backward and the lower blade 31 retreats below the chain transfer path FC. At the same time, the cylinder C5 moves backward to return the chain stopper 21, allowing the fastener chain to move.

Press the limit switch S to confirm that the lower blade 31 has descended.
5, the arithmetic control circuit 123 outputs the next control signal to the drive circuit 124. As a result, the cylinder C4 moves forward again and transfers the cut slide fastener to the roller 50 of the second transfer mechanism.
51 to discharge at high speed.

The slide fastener that is discharged at high speed by the rollers 50 and 51 has a slider 114 that is connected to the tilting plate 90,
91 and if there is a non-meshing portion in the element row 113, the remaining non-meshing portion is closed, and then rotates and passes through the tilting plates 90, 91 against the force of the springs 92, 95.

When the limit switch S6 detects that the slider 114 has passed by rotating the tilting plate 90,
The arithmetic control circuit 123 sends the next control signal to the drive circuit 1.
Output to 24. As a result, the cylinder C3 moves backward to release the restriction on the upward position, and the press roller 41 is thereby upwardly moved by the force of the spring 47.

Almost at the same time as cylinder C4 moves forward again and discharges the slide fastener at high speed, cylinder C4
1. The SC operates and the next sending process is performed.

Thereafter, the above operation is repeated until the number of slide fasteners reaches a predetermined number.

On the other hand, the slide fasteners whose chains have been closed are discharged through the curved passage 60 of the sorting mechanism 6.

During this ejection process, when the rear end of the slide fastener is detected by the photo sensor PS2, the arithmetic control circuit 123 sends the next control signal to the drive circuit 124.
Output to. As a result, the cylinder C7 moves forward and the movable guide lever 67 approaches the fixed guide lever 66 as shown in FIG. 5, narrowing the slide fastener selection passage 61a. As a result, the slide fastener without the slider 114 falls as it is and enters the receiving box 79, but the slider 114 does not have the slider 114.
14, the slider 114 hits the guide levers 66, 67 and is prevented from falling, and moves along the upper surfaces of the guide levers 66, 67 toward the storage mechanism 7 by its own weight or with the help of the air nozzle 78.

When the slide fastener passes through the sorting passage 61a, the movable guide lever 67 is retreated from the sorting passage 61a. Slide fastener is sorting passage 6
1a may be detected by the photosensor PS3, or may be detected when a predetermined period of time has elapsed since the photosensor PS2 detected the rear end of the slide fastener.

When the slide fastener enters the storage mechanism 7, this fact is sensed by a photosensor PS4 provided at the entrance of the slide fastener. As a result, the counter 120 increments the count value by 1.

As shown in FIG. 7, the slide fastener transferred to the storage mechanism 7 is stopped by a leaf spring 75 provided at the take-out portion, and the slider 114 is suspended by being engaged with the upper surface of the stock bars 70, 71. stored in the state.

By repeating the above operations, when the count value of the counter 120 matches the value set in the setting device 122, the comparator 121 outputs a match signal, which causes the arithmetic control circuit 123 to adjust the operation of the finishing device. terminate. As a result, the number of correct slide fasteners set in the setting device 122 is stored in the storage mechanism 7.

The slide fasteners stored in the storage mechanism 7 are manually taken out from the take-out section before the finishing device is operated next time.

Of the slide fasteners that are discharged, the slide fasteners at the connection part of the fastener chain
SF′ is longer than other slide fasteners SF and is a defective product.

In other words, a single fastener chain is generally long, several tens of meters long, but when finishing is performed using finishing equipment, multiple fastener chains are often connected in series and the finishing equipment is operated continuously. , since the fastener chain is connected with a stapler etc. and metal tape is pasted on the connected part, the sliding fastener at the connected part is
SF′ is a defective product.

As described above, since the slide fastener SF' at the connecting portion of the fastener chain is a defective product, it is desirable not to count it as a slide fastener and to discharge it to the receiving box 79 as a defective product.

For this reason, this metal tape is attached to the photosensor PS1.
, the product counting counter 120 increments the counted value by 1 based on the sensing signal, and at the same time, even if the rear end of the slide fastener is detected by the photosensor PS2, the calculation is performed based on the output signal of the photosensor PS1. The control circuit 123 is connected to the cylinder C7.
is not activated, and as a result, the defective products wrapped with metal tape are allowed to fall and enter the receiving box 79.
Only good products are sent to the storage mechanism 7.

In the above embodiment, the counter 120 and the comparator 121 are provided separately from the arithmetic control circuit 123, but the functions of the counter 120 and the comparator 121 may be performed by the arithmetic control circuit 123.

Further, in the above embodiment, the timing for operating the movable guide lever 67 to narrow the sorting passage 61a is from when the starting end of the slant fastener enters the sorting passage 61a until the slider of the slide fastener reaches the sorting passage. If the slide fastener is selected in between, at least the starting end of the slide fastener will enter the sorting passage 61a before the sorting passage 61a narrows, so the starting end of the slide fastener will surely enter the sorting passage 61a and close the sorting passage 61a.
No jamming at the entrance. To do this, the movable guide lever 67 is operated after a predetermined period of time has elapsed after the photosensor PS2 detects the rear end (or the starting end) of the slide fastener, or the photosensor PS3 detects the starting end of the slide fastener. The movable guide lever 67 is actuated by sensing this, or the movable guide lever 67 is actuated by providing a photosensor PS2 immediately before the sorting passage 61a and sensing the starting end of the slide fastener with this photosensor.
7 should be activated.

As described above, the present invention provides a sorting means having a sorting passage at the slide fastener exit portion of a chain guide that guides the slide fastener to be sent out vertically and downward, and the slider cannot pass through the sorting passage. The other parts of the sorting device include a movable guide lever that can be moved into and out of the sorting passageway to narrow it so that it can pass through, so the configuration is simple. In addition, when a slide fastener at the connection part of the fastener chain is detected, the movable guide lever does not operate and the sorting passage remains wide, so the slide fastener at the connection part is rejected as a defective product even if it has a slider. It will not be mixed into non-defective products. Further, when the movable guide lever is not operated, the sorting passage is wide, so that the tip of the slide fastener enters the sorting passage without getting caught and jammed.
Furthermore, when the movable guide lever is activated, the sorting passage narrows and the slider engages.
Slide fasteners without a slider are discharged as defective products in the same way as slide fasteners in the connecting portion, and therefore slide fasteners are reliably separated into those with sliders and those without sliders.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal cross-sectional view of a finishing device having a sorting device according to the present invention, FIG. 2 is a partial cross-sectional plan view of a sending mechanism portion and a stopping mechanism portion, and FIG. 3 is an explanatory diagram of the main parts of a cutting mechanism. Fig. 4 is a right side view of the position regulating mechanism, Fig. 5 is an explanatory diagram of the operation of the sorting mechanism, Fig. 6 is a sectional view taken along the - line in Fig. 5, Fig. 7 is a right side view of the storage mechanism, Fig. 8 Figure 9 is an enlarged right side view of the storage mechanism.
The drawings are a perspective view taken along the - line in FIG. 8, FIG. 10 is a plan view of the slide fastener, and FIG. 11 is a block diagram showing one embodiment of the electric circuit. 6: Sorting mechanism, 60: Chain guide, 61
a: Sorting passage, 67: Movable guide lever, PS1,
PS2, PS3: Photosensor.

Claims (1)

[Scope of Claims] 1. A slide fastener sorting device comprising the following configuration: (a) a chain guide 60 that guides slide fasteners sent horizontally from a chain transfer path downward along a curved path 61; At the slide fastener exit portion of the chain guide 60, a movable guide lever 67 is provided, which forms a sorting passage 61a that continues to the curved passage 61 and is movable in and out of the sorting passage 61a. When protruding into the sorting passage 61a, it prevents the slider 114 attached to the slide fastener from passing; (b) A first sensor PS1 provided in the chain transfer path that detects the chain connection part and the end of the slide fastener. A second sensor PS2 detects
Both sensors PS1 and PS2 instruct the operation of the movable guide lever 67, and the second sensor PS1 and PS2 instruct the operation of the movable guide lever 67.
2 detects the end of the slide fastener,
Even if the movable guide lever 67 is made to protrude into the sorting passage 61a and the first sensor PS1 detects the chain connection part and the second sensor PS2 detects the end of the slide fastener, the movable guide lever 67 is not allowed to protrude into the sorting passage. A slide fastener sorting device characterized in that: 61a does not protrude;