JPH0341298B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an assembly device for attaching parts to a tube, and more particularly, it supplies a tube made of a flexible material to a predetermined length, cuts it, and attaches the end of the cut tube to other parts. This invention relates to a tube and component assembly device that continuously produces tubes with components attached by attaching the components.

Conventionally, in the work of attaching other parts to the end of a tube made of flexible material, it is difficult to mechanize the work due to problems such as the tube itself escaping or the fitting pressure of the parts when fitting the parts into the tube end. As a result, we have no choice but to rely on manual labor for the work.
This caused problems such as low productivity and variations in assembly accuracy.

The present invention has been made for the purpose of solving the above-mentioned conventional problems, and proposes an assembly device for tubes and parts that can improve productivity and assembly accuracy by mechanizing the assembly work of tubes and parts. It is something.

Hereinafter, the present invention will be explained in detail based on the accompanying drawings showing examples.

FIG. 1 is an overall external perspective view illustrating an embodiment of the present invention. An intermittent rotary table 2 is arranged at the center of the upper surface of the frame 1, and a tube supply device 3, a solvent coating device 4, a component mounting device 5, and an assembly removal device 6 are sequentially arranged around the outer periphery of the intermittent rotary table 2. It is located. On the periphery of the upper surface of the intermittent rotary table 2, when the intermittent rotary table 2 is stopped, the tube supply device 3, a solvent coating device for applying solvent such as adhesive or lubricant, a component mounting device 5, and an assembly take-out device 6 are installed. Fixed clamping tool 10 as tube clamping means 100 at opposing positions
1 and a movable clamp holder 102 are arranged. Further, a push-up rod 103 that penetrates the intermittent rotary table 2 and projects downward is fixed to the movable clamp holder 102, and this push-up rod 103 is urged downward by a spring 104 (see Fig. 2). reference). Two recesses for clamping the tube 7 are provided on opposing surfaces of the fixed clamp holder 101 and the movable clamp holder 102 of the tube clamping means 100, respectively.

The tube supply device 3 is connected to the tube holding means 1.
A base 301 is placed on the frame 1, and on this base 301 there is a motor 303 that rotationally drives a drive shaft 302 and a motor that measures the rotational speed of a countershaft 304. encoder 305
is located. The drive shaft 302
is connected to the feed roller shaft 307 via an electromagnetic clutch brake 306, and the feed roller shaft 3 passes through the upper base 308.
A feed roller 309 is attached to the upper end of the roller 07. Further, a counter roller 310 is attached to the upper end of the countershaft 304 that passes through the upper base 308. Further, on the upper base 308, a pinch roller 311 is arranged which rotates by pinching the tube 7 with a feed roller 309 and a counter roller 310 and feeding out the tube 7. Further, two idler rollers 312 for regulating the direction of the tube 7 when feeding the tube 7 are arranged on the upper base 308, and the feed roller 3
09. The positions of the counter roller 310, the pinch roller 311, and the idler roller 312 in contact with the tube 7 are shaped like a square so as to correspond to the tube 7. Further, at the end of the upper base 308 on the intermittent rotary table 2 side, a cutting receiving member 314 that holds a cylindrical cutting receiving seat 313 made of a soft material such as resin is arranged. The cutting seat 31
3 is a cutting blade 31 for cutting the tube 7.
An air cylinder 316 to which a number 5 is fixed is located, and this air cylinder 316 is attached to a support rod 317 erected on the upper base 308. Further, a rotating portion 318 is located closer to the center position of the intermittent rotary table 2 than the tube holding means 100.
The rotating part 318 is connected to a rotary rod connected to the rod of an air cylinder 321 arranged on the upper end of a mounting plate 320 that projects from the upper end of a support rod 319 erected on the frame 1. It is attached to the rod of the air cylinder 322. Furthermore, an air chuck 324 is attached to the lower surface of the end of the rotating portion 318, and a chuck pawl 323 for clamping the tube 7 is swingably disposed therein. Further, on the intermittent rotary table 2 side on the base 1, the movable clamping tool 102 of the tube clamping means 100 is pressed upward to release the tube clamping means, and the tube 7 is placed between the fixed clamping tool 101 and the movable clamping tool 102. An air cylinder 325 for releasing the clamp is arranged to allow the air to pass through (see FIGS. 1 and 2).

The solvent coating device 4 applies a solvent to the inner surface of the end of the tube 7 of a predetermined length supplied by the tube supply device 3, and has a bracket 402 on which a guide shaft 401 is disposed on the frame 1. , the guide shaft 401 has an air cylinder 40 disposed on one side of the bracket 402.
Carriage 405 connected to No. 3 rod 404
are slidably arranged. Carriage 405
A mounting plate 408 to which a rotary air cylinder 406 and a solvent application means 407 are attached is fixed on the top, and a spur gear 409 is attached to a shaft passing through the mounting plate 408 of the rotary air cylinder 406.
The solvent application means 407 includes a cylinder 410 arranged on the rotary air cylinder 406 side of the mounting plate 408, an application rod 411 rotatably attached to this cylinder 410, and a spur gear 412 attached to this application rod 411. The spur gear 412 of this applicator bar 411 meshes with the spur gear 409 of the rotary air cylinder 406. Further, a hole 413 is bored in the side surface of the tip of the applicator rod 411 and communicates with a hole 414 passing through the applicator rod 412 and the cylinder 410. leaks out from this hole 413. The solvent supply tube 415 is connected to a pump 416, which is directly connected to a motor 417 and connected to a solvent tank (not shown) via a tube. In this embodiment, since the solvent is applied to both ends of the tube 7, the solvent application means 40
Two numbers 7 are arranged (see Figures 1 and 3).

The component attaching device 5 attaches a component 506 to the end of the tube 7 coated with a solvent by the solvent applicator 4. A bracket 501 having legs at both ends is arranged on the frame 1. Guide shaft 5 placed between the legs of
02, a carriage 505 is slidably connected to a rod 504 of an air cylinder 503 disposed on one side of the bracket 501. At the front end of this carriage 505, a parts receiving member 508 is provided with a recess 507 for receiving a part 506. In the recess 507 of this parts receiving member 508, a parts feeder 509
Components 506 are supplied from through a chute 510. Further, an insertion rod 512 connected to a rod of an air cylinder 511 disposed at the rear of the carriage 505 is disposed at a position facing the recess 507 of the component receiving member 508 (see FIG. 4).

The assembly take-out device 6 is connected to the component mounting device 5.
Tube 7 with part 506 attached to its end
is taken out from the holding means 100, and the base 1
A take-out plate 601 with a square cross section is provided on the top, and a chuck claw 604 for clamping the tube 7 is provided on the lower surface of the rodless air cylinder 603 attached to the center of the inner surface of the top plate 602 of the take-out plate 601. An air chuck 605, which is swingably arranged, is fixed. Furthermore, an air cylinder 606 is arranged for pressing the movable clamping tool 102 of the tube clamping means 100 upward and releasing the tube 7 (see FIG. 5).

Next, the operation will be explained.

First, in the tube supply device 3, compressed air is supplied from an external device (not shown), and the rod of the air cylinder 325 is connected to the tube holding means 10.
When the movable clamp holder 102 comes into contact with the lower surface of the push-up rod 103 of 0 and presses the movable clamp holder 102 upward against the elastic force of the spring 104, the tube clamp means 100 is released. The electromagnetic clutch brake 306 is connected by a signal from an external device (not shown), and the drive shaft 3 of the motor 303 is constantly rotating.
02 and the feed roller shaft 307 are connected. Due to the rotation of the feed roller shaft 307, the tube 7 is pinched between the feed roller 309 and the pinch roller 311, and the idler roller 3
12, the tube is fed with its direction of movement being regulated, and inserted into one of the recesses of the tube holding means 100 in the released state. The feeding amount of this tube 7 is
The counter roller 31 is located between the two idler rollers 312 and rotates due to the feeding of the tube 7.
It is measured by the encoder 305 connected to 0.
The encoder 30 indicates that the tube 7 protrudes from one recess of the tube holding means 100 by a predetermined length.
5, the electromagnetic clutch brake 306
is cut, and the feeding of the tube 7 is temporarily stopped. When compressed air is supplied to the air cylinder 321,
The rotary air cylinder 322 and air chuck 324 connected to the rod of this air cylinder 321 are lowered, and the air chuck 324 is lowered.
The tube 7 is supplied with compressed air and the chuck claw 323 protrudes from the tube holding means 100.
Clamp the tip. Thereafter, the electromagnetic clutch brake 306 is connected again, and the feed roller 309 rotates to feed the tube 7 a predetermined length, and compressed air is supplied to the rotary air cylinder 322, and the rotating part 318 attached to the rod of the rotary air cylinder 322 rotates 180 degrees,
The tip of the tube 7, which is clamped by the chuck pawl 323 of the air chuck 324 attached to the end of the rotating part 318, is inserted into the other recess of the tube clamping means 100. When the encoder 305 measures that the tube 7 has been fed a predetermined length, the electromagnetic clutch brake 306 is disconnected again, the cylinder 325 is switched, and the movable clamp 102 is lowered by the elastic force of the spring 104. , the tube clamping means 100 is closed and clamps the tube 7 between the two recesses. After this clamping, compressed air is supplied to the air cylinder 316, and the cutting blade 315 fixed to the rod of the air cylinder 316 descends to cut the tube 7, after which the rod returns by switching the air cylinder 316. Then, the air chuck 324 is switched, the chuck pawl 323 releases the tube 7, the air cylinder 321 is switched, the rotary air cylinder 322 and the air chuck 324 are raised, the rotary air cylinder 322 is switched, and the rotating portion 318 is returned. do. As described above, when the tube feeding device 3 finishes supplying a predetermined length of the tube 7 to the tube holding means 100 (see FIGS. 1 and 2), the intermittent rotary table 2 rotates 90 degrees and supplies the tube 7 for a predetermined length. A tube holding means 100 for holding the end of the tube 7 stops at a position facing the solvent coating device 4. When compressed air is supplied to the air cylinder 403, the carriage 405 connected to the rod 404 of the air cylinder 403 moves to the bracket 402.
The intermittent rotary table 2 is placed on the guide shaft 401 of
move in the direction. By this movement of the carriage 405, the tips of the application rods 411 of the two solvent application means 407 mounted on the carriage 405 are inserted into the ends of the tube 7. When compressed air is supplied to the rotary air cylinder 406, the spur gear 409 attached to the shaft of the rotary air cylinder 406 rotates, and the spur gear 4 of the applicator bar 411 meshes with this spur gear 409.
As pump 12 rotates, pump 4 is removed from the solvent tank.
The solvent fed from the solvent supply tube 415 via the coating rod 411 oozes out from the hole 413 on the side surface of the tip of the applicator rod 411. After the application rod 411 rotates several times and the solvent is applied to the inner surface of the end of the tube 7, the pump 41
6 stops supplying the solvent, the rotary air cylinder 406 is switched, the rotation of the spur gear 409 is stopped, the air cylinder 403 is switched, and the carriage 405 returns. As described above, the application of the solvent by the solvent application device 4 to the inner surface of the end of the tube 7 of a predetermined length held by the tube holding means 100 is completed (see FIGS. 1 and 3).
Then, the intermittent rotary table 2 rotates 90 degrees and stops at a position where the tube clamping means 100, which clamps the tube 7 whose end inner surface is coated with solvent, faces the component mounting device 5. When compressed air is supplied to the air cylinder 511, the air cylinder 511
The insertion rod 512 connected to the rod moves forward, and the tip of the insertion rod 512 presses the parts 506 that are being fed from the parts feeder 509 through the chute 510 into the recessed part of the parts receiving member 508 from behind, and moves further forward. , the part 506 is inserted into one end of the tube 7 coated with the solvent. Then, when the air cylinder 511 is switched and the insertion rod 512 is returned to its original position, and compressed air is supplied to the air cylinder 503, the carriage 505 connected to the rod 504 of the air cylinder 503 moves on the guide shaft 502 of the bracket 501. , stops at the position where the insertion rod 512 faces the other end of the tube 7, the air cylinder 511 is switched again, the insertion rod 512 connected to the rod of the air cylinder 511 moves forward, and the insertion rod 512 A component 506 is being fed from a parts feeder 509 to a concave portion of a component receiving member 508 via a chute 510 at the tip.
The part 506 is pressed from behind and moved further forward, and the part 506 is inserted into the other end of the tube 7 coated with the solvent. Then, the air cylinder 510 is switched and the insertion rod 512 is returned to its original position, and the air cylinder 503 is also switched and the carriage 505 connected to the rod 504 of the air cylinder 504 is also returned to its original position.

As described above, the attachment of the component 506 to the end of the tube 7 clamped by the tube clamping means 100 by the component mounting device 5 is completed (the first
4), the intermittent rotary table rotates 90 degrees and stops at a position facing one end of the tube 7 to which the component 506 is attached and the air chuck 605 of the assembly take-out device 6. . When compressed air is supplied to the rodless cylinder 603, the air chuck 605 moves forward, and when one end of the tube 7 enters the chuck pawl 604 of the air chuck 605, compressed air is supplied to the air chuck 605 and the chuck pawl 60
4 closes and clamps one end of the tube 7. Next, when compressed air is supplied to the air cylinder 606, the rod of the air cylinder 606 comes into contact with the push-up rod 103 of the tube holding means 100 and presses the movable holding tool 102 upward against the elastic force of the spring 104. The tube 7 whose end is clamped by the chuck pawl 604 of the air chuck 605 is released by the tube clamping means 100. The rodless air cylinder 603 is switched, and the air chuck 605 is switched to the chuck claw 6.
At step 04, the tube 7 is taken out from the tube clamping means 100 with the end of the tube 7 clamped and returned to its original position.At the time of return, the air chuck 605 is switched and the chuck claw 604 opens to release the tube 7. Movable clamp holder 1 in an upwardly pressed state
02 is the tube 7 from the tube clamping means 100.
When the air cylinder 606 is completely removed, the air cylinder 606 is switched and returned by the elastic force of the spring 104. As described above, the removal of the tube 7 (assembly) with the component 506 attached to the end, which is held by the tube holding means 100, by the assembly removal device 6 is completed (see FIGS. 1 and 5). .

The present invention relates to an intermittent rotary table, a flexible tube feeding device disposed around the outer periphery of the intermittent rotary table, and operating in opposition to flexible tube holding means on the intermittent rotary table when the intermittent rotary table is stopped; A cutting device that cuts the flexible tube and a solvent coating device that has a rotary coating rod that applies a solvent to a specific portion of the inner surface of the flexible tube are arranged, and parts are attached to the end surface of the flexible tube. Since the apparatus for assembling tubes and parts is made up of a device and a device for taking out assembled parts, it is possible to improve the productivity and assembly accuracy of the assembly work of flexible tubes and parts.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which Fig. 1 is a perspective view of the overall appearance, Fig. 2 is a side view of the tube supply device, Fig. 3 is a side view of the solvent coating device, and Fig. 4 is the parts removal device. 5 is a side view and a front view, and FIG. 5 is a longitudinal sectional view of the assembly removal device. 2...Intermittent rotary table, 100...Tube holding means, 3...Tube supply device, 4...Solvent coating device, 5...Component mounting device, 6...Assembly product removal device.

Claims (1)

[Claims] 1. an intermittent rotary table, a flexible tube feeding device disposed around the outer periphery of the intermittent rotary table, which operates in opposition to a flexible tube holding means on the intermittent rotary table when the intermittent rotary table is stopped; disposing a cutting device for cutting the tube and a solvent coating device having a rotary coating rod for coating a specific portion of the inner surface of the flexible tube with a solvent;
A device for assembling tubes and components, which comprises a component mounting device for attaching components to the end face of a flexible tube, and an assembly component removal device.