JPH0572122U - Taping device for automatic winding machine - Google Patents

Abstract

(57) [Abstract] [Purpose] An object of the present invention is to provide a taping device in an automatic winding machine that enables accurate taping by changing the feeding position of the insulating tape and the attaching position of the insulating tape. [Structure] In an automatic winding machine for automatically winding a wire on a bobbin, an insulating tape supply means including a reel around which an insulating tape is wound and a tension roll, and the supplied insulating tape to an insulating tape sticking roll means side. Provided with an insulating tape pull-out cutting means including a cutter that cuts the insulating tape at an appropriate place, and an insulating tape sticking means including a pull-out claw for pulling out the insulating tape and a sticking roll for sticking the insulating tape onto the winding of the bobbin. In the taping device in the automatic winding machine, the insulating tape supplying means is movable according to the winding direction and the insulating tape attaching means is reversible.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a taping device in an automatic winding machine that automatically winds a wire on a bobbin in an automatic winding machine and then taps with an insulating tape to insulate and sheathe, and particularly, to change the winding direction of the wire. The present invention relates to a taping device for an automatic winding machine that can respond immediately.

[0002]

[Prior Art]

 Conventionally, in an automatic winding machine, a wire rod is automatically wound around a bobbin, and then an insulating tape is applied by an insulating tape that has been fed out for insulation. When the wire is automatically wound on the bobbin, the bobbin is first mounted on the spindle, and then the spindle is rotated by a predetermined winding. On the other hand, the nozzle that feeds the wire toward the bobbin is configured to reciprocate in the winding direction to the body of the bobbin so that it can be wound neatly, and the start and end of the winding project from the bobbin. It is configured so that it wraps around each terminal pin and can move in the axial direction of the terminal pin so as to be entwined with each terminal pin for the start end and the end. The coil wound by the automatic winding machine is sent to the taping device, and the adhesive tape is stuck on the winding by this taping device.

As such a taping device, for example, the one disclosed in Japanese Patent Publication No. 61-6531 proposed by the same applicant is known. The taping device described in the above publication is designed so that when the index table rotates, the bobbin that is automatically wound on the index table is conveyed toward the taping device. It is designed to be applied.

The same applicant has previously proposed Japanese Utility Model Application No. 2-56768 as a taping device for an automatic winding machine. The taping device in this automatic winding machine is an automatic winding machine equipped with a nozzle for feeding a wire rod and a spindle equipped with a bobbin for rotating the wire rod fed out from the nozzle so that the wire rod can be wound. A sticking roll that can be brought into and out of contact with the bobbin, a pull-out claw that comes into contact with the tension sticking roll and moves away, a pull-out roll that moves in the approaching and separating direction with respect to the sticking roll, and an appropriate number of guide rolls. It is characterized by comprising a tape roll which is drawn out to a drawing roll through a roll, and a cutter which cuts a transition portion of the tape between the upper sticking roll and the drawing roll.

[0005]

[Problems to be solved by the device]

 However, even with the taping device improved as described above, when the insulating tape is applied in the winding direction with respect to the bobbin, particularly in the winding direction when the winding is oriented at right angles, the winding loosens. There were problems such as adversely affecting the winding after the bulge, deteriorating the performance of the coil, and making the performance of the wound coil uniform.

In view of the above-mentioned problems, the present invention aims at changing the feeding position of the insulating tape and the attaching position of the insulating tape even if the winding direction is opposite to the attaching direction of the insulating tape. The purpose is to provide a taping device for an automatic winding machine that can perform accurate taping.

[0007]

[Means for Solving the Problems]

 In order to achieve the above object, according to the present invention, in an automatic winding machine for automatically winding a wire on a bobbin, an insulating tape is supplied from an insulating tape supply means including a reel and a tension roll. Insulation tape pulling and cutting means, which consists of a cutter that cuts the insulation tape to the side of the insulation tape pasting roll means, and cuts the insulation tape at an appropriate point, and pulls out the insulation tape and attaches the insulation tape and the insulation tape on the bobbin winding. In an automatic winding machine, which is provided with an insulating tape pasting means consisting of a pasting roll, wherein the insulating tape feeding means is movable according to the winding direction and the insulating tape pasting means is reversible. It was a taping device.

[0008]

[Action]

 In the embodiment, in the state shown in FIGS. 1 and 2, the bobbin 21 rotates clockwise along with the rotation of the bobbin spindle (not shown), and the wire 35 is wound around the bobbin 21 for winding work. .. When the winding 35a of the bobbin 21 is to be faced, the air cylinder is actuated to lie the support rod 29 sideways and the sticking roll 32 is turned to the pull-out roll 19. Then, the insulating tape 4 between the guide roll and the reel 1 is bent from the reel 1 by the movable amount.

Next, the oscillating plate 23 oscillates around the shaft supporting portion of the holder 34 as a fulcrum. By the swing of the swing plate 23, the pull-out roll 19 at the tip of the swing plate 23 contacts the sticking roll 32. By slightly projecting the tip of the insulating tape 4 from between the roll 19 and the pressing member 41, this projecting portion is placed on the pasting roll 32 or the tip of the support rod 29.

After that, the air cylinder 39 for operating the pull-out pawl operates to close the pull-out pawl 31, and the pull-out pawl 31 holds the tip of the insulating tape 4 with the support rod 2a. The insulating tape 4 can be pulled out from between the drawing roll 19 and the pressing member 41 by holding the tip of the insulating tape 4 between the sticking roll 32 and the drawing claw 31.

Next, the air cylinder 25 is operated to raise the cutter 24, and the cutter 24 cuts the insulating tape 4 between the sticking roll 32 and the drawing roll 19 by this. Then, the air cylinder 33 is operated to raise the support rod 2a. Therefore, the cut insulating tape piece 4a is placed on the sticking roll 32. Then, a motor (not shown) is driven to lower the spindle box, and the small piece of the insulating tape 4a on the sticking roll is pressed and stuck to the portion of the body of the bobbin 21 below the lead wire of the winding wire. The insulating tape 4a is a single-sided adhesive tape. When attaching the insulating tape 4, the bobbin 21 is slightly rotated by the spindle 37.

Further, when changing the winding direction of the winding wire 35a from the state of FIG. 7 to the state of FIG. 6, the rod 11 of the cylinder 10 is changed from the state of FIG. 4 to the state of FIG. Return to. Then, the connecting plate 12 pivotally supported on the tip of the rod 11 moves to the left in the figure, swings the swing lever 7 counterclockwise, and at the same time slides the slide bar 15 to the left in the figure. .. With the movements of the swing lever 7 and the slide bar 15, the reel 1 is moved and the tape sticking portion 28 is reversed as shown in FIG.

When the direction of the winding wire 35a with respect to the bobbin 21 is changed as shown in FIGS. 6 to 7, the rod 11 of the cylinder 10 is advanced from the state of FIG. 2 as shown in FIG. Then, the connecting plate 12 pivotally supported by the tip of the rod 11 moves to the right in the figure. As the connecting plate 12 moves to the right, the swing lever 7 swings clockwise with the fulcrum shaft 9 as a fixed fulcrum, and the supporting plate 2 connected to the lower end moves to the left, and Make 1 correspond to the left-hand side. As the connecting plate 12 moves to the right, the slide bar 15 fixed to the connecting plate 12 also slides to the right in the figure and rotates 180 degrees about the support shaft 20 as a rotating shaft. The tape adhering portion 28 is inverted as shown by.

[0014]

【Example】

 Hereinafter, embodiments of a taping device in an automatic winding machine according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a front view showing an example of implementation of a taping device in an automatic winding machine according to the present invention. The taping device in the automatic winding machine according to the present invention is, as shown in FIGS. 1 to 5, an automatic winding machine in which a wire is automatically wound around a bobbin, and the reel 1 on which the insulating tape 4 is wound and the tension. Insulating tape pulling and cutting means including insulating tape supplying means A composed of rollers 5 and the like, and a cutter 24 for pulling the supplied insulating tape 4 toward the insulating tape applying roll means C and cutting the insulating tape 4 at an appropriate position. B, and an insulating tape sticking means C including a pull-out claw 31 for pulling out the insulating tape 4 and a sticking roll 32 for sticking the insulating tape 4 onto the winding of the bobbin 21 are provided, depending on the winding direction. The insulating tape supplying means is movable and the insulating tape attaching means is reversible.

More specifically, the reel 1 for feeding the insulating tape is rotatably supported by a bracket 3 attached to a support plate 2. Similarly, a tension roller 5 for tensioning the insulating tape 4 is rotatably supported on the support plate 2 as shown in FIG. The support plate 2 is slidably fitted to the guide track 6 as shown in FIGS. 3 and 5. The support plate 2 slides by the swing lever 7. A swing lever 7 for sliding the support plate 2 along the guide track 6 is rotatably supported by a fulcrum shaft 9 that is slidable on a horizontal plate 8 arranged in parallel with the guide track 6, and is attached to the upper and lower ends. The long holes 7a and 7b are perforated.

The upper end of the swing lever 7 is connected to the lower end of the connecting plate 12 fixed to the tip of the rod 11 of the cylinder 10 with the pin 13 loosely inserted. The upper end of the connecting plate 12 is connected to a slide bar 15 slidably arranged on the upper surface of the base 14. The slide bar 15 is for reversing the tape adhering portion 28 via the holder 34. The lower end of the swing lever 7 is connected to the center of the support plate 2 with the pin 16 loosely inserted. The insulating tape 4 fed from the reel 1 is supplied to the bobbin 21 mounted on the spindle 37 via the tension roller 5, the guide rollers 17, 18 and the pull-out roller 19. The tape adhering portion 28 is rotatably supported by the bearing cylinder 22. The bearing cylinders 22 are arranged in parallel on the base 14 at equal intervals (four pieces are arranged in parallel in the embodiment).

The guide rollers 17 and 18 for guiding the insulating tape 4 and the pull-out roll 19 are rotatably supported by the swing plate 23. The oscillating plate 23 is held by the bearing cylinder 22 by the holder 34 at the lower portion. A cutter 24 is arranged so as to be movable up and down inside the upper part of the rocking plate 23, and the base of the cutter 24 is connected to a rod 25a of an air cylinder 25 attached to the rocking plate 23. The cutter 24 cuts the insulating tape 4 between the sticking roll 32 and the drawing roll 19. The support shaft 20 of the bearing cylinder 22 is provided with a shock absorber 27 having a coil spring 26 interposed between the shaft 40 and a support rod 29 of a tape adhering portion 28.

A link 30 is pivotally supported on the upper end of the support rod 29, and the base of the pull-out pawl 31 is pivotally supported by the base of the pull-out pawl 31 at the lower part thereof so as to be swingable with respect to the sticking roll 32. .. Can come in contact with and move away. A sticking roll 32 is rotatably supported on the other end of a link 30 which is rotatably supported on the upper end of the support rod 29. Further, an air cylinder 33 for actuating the pull-out pawl is attached to the base of the pull-out pawl 31.

In the above structure, the bobbin 21 is mounted on the spindle 37 as before, and the nozzle 38 is circulated around the terminal pin 21a of the bobbin 21 to bind the start end of the winding, and then the spindle 37 That is, the bobbin 21 is rotated to wind a predetermined number of turns around the body of the bobbin 21. At the time of this winding, as shown in FIG. 8, the pull-out roll 19 is separated from the sticking roll 32, the tape sticking portion 28 is in a raised state, and the pull-out claw 31 is in an open state. .. As a first layer on the body of the bobbin 21, after the predetermined number of turns is completed, the bobbin 21 is pulled out from above the winding of the body of the bobbin 21 toward the terminal pin 21a. This lead-out portion is insulated from the layer already wound. Need to

Then, the air cylinder 33 is operated to lay the support rod 29 sideways as shown in FIG. 9 so that the sticking roll 32 is turned to the pull-out roll 19. After that, the insulating tape 4 between the guide roll and the reel 1 is bent from the reel 1 by the movable amount.

Next, the rocking plate 23 rocks with the pivotally supporting portion with the holder 34 as a fulcrum. When the swing plate 23 swings, the pull-out roll 19 at the tip of the swing plate 23 contacts the sticking roll 32. By slightly projecting the tip of the insulating tape 4 from between the pull-out roll 19 and the pressing member 41, this projecting portion is placed on the sticking roll 32 or the tip of the support rod 29.

After that, the air cylinder 39 for operating the pull-out pawl operates to close the pull-out pawl 31, and the front end of the insulating tape 4 is held by the pull-out pawl 31 with the link 30. By holding the tip of the insulating tape 4 between the sticking roll 32 and the pull-out claw 31, the insulating tape 4 can be easily pulled out from between the pull-out roll 19 and the pressing member 41.

Then, as shown in FIG. 10, the air cylinder 25 is operated to raise the cutter 24, and the cutter 24 cuts the insulating tape 4 between the sticking roll 32 and the pull-out roll 19. Then, the air cylinder is operated to erect the substrate. Therefore, the cut insulating tape piece 4a is placed on the sticking roll 32. Then, a motor (not shown) is driven to lower the spindle box, and the small piece of insulating tape 4a on the sticking roll 32 is pressed and stuck to the portion of the body of the bobbin 21 below the lead wire of the winding wire. The insulating tape 4a is a single-sided adhesive tape.

When the insulating tape 4 is attached, the bobbin 21 is slightly rotated by the spindle 37 and the insulating tape piece 4a is attached by the attaching roll 32, so-called surface attachment. If the spindle box can be laterally moved, it is possible to laterally move the bobbin 21 with respect to the sticking roll 32 and handle the insulating tape piece 4a for sticking.

Next, the spindle box is raised and returned to its original position. Then, the wire drawn from the winding is entangled with a predetermined terminal pin 21a of the bobbin, and then overlapped again to apply the winding of the next layer. At this time, it is also possible to further overlap the small pieces of the insulating tape 4a on the drawn wires and to attach the small pieces of the insulating tape 4a, and then apply the winding of the next layer. After repeating the above operation a suitable number of times, apply external taping to the winding.

In the above-mentioned operation, the external taping is performed in the above-described operation by directly raising the base body and attaching the sticking roll 32 to the bobbin 21 side without cutting with a cutter, and pasting the starting end of the insulating tape on the sticking roll 32 onto the winding of the bobbin. After rotating the bobbin 21 once or a predetermined number of times, the cutter 24 is operated to cut the insulating tape 4, and the bobbin 21 is further rotated to wind the end of the cut insulating tape 4 on the winding. Stick it on.

When the direction of the winding wire 35a with respect to the bobbin 21 is changed as shown in FIGS. 6 to 7, the rod 11 of the cylinder 10 is advanced from the state of FIG. 2 as shown in FIG. Then, the connecting plate 12 pivotally supported by the tip of the rod 11 moves to the right in the figure. As the connecting plate 12 moves to the right, the swing lever 7 swings clockwise with the fulcrum shaft 9 as a fixed fulcrum, and the supporting plate 2 connected to the lower end moves to the left, and Make 1 correspond to the left-hand side. As the connecting plate 12 moves to the right, the slide bar 15 fixed to the connecting plate 12 also slides to the right in the figure, and rotates 180 degrees about the support shaft 20 as a rotating shaft. The tape adhering portion 28 is inverted as shown by.

Further, when the winding direction of the winding 35a is changed from the state of FIG. 7 to the state of FIG. 6, the rod 11 of the cylinder 10 is changed from the state of FIG. 4 to the state of FIG. Return to. Then, the connecting plate 12 pivotally supported on the tip of the rod 11 moves to the left in the figure, swings the swing lever 7 counterclockwise, and at the same time slides the slide bar 15 to the left in the figure. .. With the movements of the swing lever 7 and the slide bar 15, the reel 1 is moved and the tape sticking portion 28 is reversed as shown in FIG.

[0029]

[Effect of the device]

 As described above, the taping device in the automatic winding machine according to the present invention comprises the insulating tape supply means including the reel around which the insulating tape is wound and the tension roll, and the supplied insulating tape on the insulating tape sticking roll. Insulation tape that consists of a cutter that cuts the insulating tape at appropriate points and a cutting claw that pulls out the insulating tape, and a sticking roll that sticks the insulating tape onto the winding of the bobbin. The insulating tape supplying means is movable according to the winding direction, and the insulating tape applying means is reversible. Therefore, even if the winding direction is opposite to the insulating tape attaching direction, there is a practical effect that accurate taping can be performed by changing the feeding position of the insulating tape and the insulating tape attaching position.

[Brief description of drawings]

FIG. 1 is a front view showing an example of implementation of a taping device in an automatic winding machine according to the present invention.

FIG. 2 is an enlarged front view of a part of the taping device of FIG.

FIG. 3 is a side view of FIG.

4 is a front view showing an inverted state of the taping device of FIG. 2. FIG.

FIG. 5 is a side view of FIG.

6 is a perspective view showing a rotation direction of a bobbin with respect to the taping device of FIG.

7 is a perspective view showing a rotation direction of a bobbin with respect to the taping device of FIG.

FIG. 8 is an operation view showing a state in which the tape adhering portion is raised and the pull-out claw is opened.

FIG. 9 is an operation diagram showing a state where the support rod of the tape adhering portion is tilted.

FIG. 10 is an operation diagram showing a state in which the cutter is lifted to cut the insulating tape.

[Explanation of symbols]

 1 reel 2 support plate 3 bracket 4 insulating tape 5 tension roller 6 guide track 7 swing lever 7a, 7b long hole 8 lateral plate 9 fulcrum shaft 10 cylinder 11 rod 12 connecting plate 14 base 15 slide bar 19 pull-out roll 20 spindle 21 bobbin 22 bearing cylinder 23 rocking plate 24 cutter 25 air cylinder 25a rod 27 shock absorber 28 tape sticking part 29 support rod 31 pulling claw 32 sticking roll 33 air cylinder 34 holder 35 wire rod 37 spindle 38 nozzle 39 air cylinder 40 shaft 41 Presser member

Claims (1)

[Scope of utility model registration request] 1. An automatic winding machine for automatically winding a wire on a bobbin, an insulating tape supplying means including a reel around which an insulating tape is wound and a tension roll, and a roll means for sticking the supplied insulating tape to an insulating tape. To the side, an insulating tape pulling / cutting means consisting of a cutter for cutting the insulating tape at an appropriate place, an insulating tape sticking means consisting of a pull-out claw for pulling out the insulating tape and a sticking roll for sticking the insulating tape on the winding of the bobbin. The taping device in an automatic winding machine is characterized in that the insulating tape supplying means is movable according to the winding direction and the insulating tape attaching means is reversible.