JPH0138907Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a taping device for wrapping an adhesive tape for protection or insulation on the surface of a coil such as an electromagnet, a chiyoke coil, or a transformer.

[Technical background of the invention and its problems]

Conventionally, there is a device that automatically wraps an adhesive tape around the surface of a coil, as shown in, for example, Japanese Utility Model Publication No. 57-4421. This conventional device winds a single-sided adhesive tape pulled out from a tape roll rotatably supported by a tape roll shaft onto the surface of a coil on a coil bobbin that is rotated by a winding shaft in a fixed position. Furthermore, a cutter mount is provided near the coil bobbin so that it can move forward and backward with respect to the tape, and a screw for fixing the cutter is inserted into one of the three sets of screw holes of this cutter mount. However, when fixing the cutter using a screw hole at a fixed position like this, the cutter can be fixed directly in accordance with the change in the installation position in the winding axis direction of the coil bobbin. The fixed position of can be changed only in 3 positions,
It is not possible to freely change the mounting position of the coil bobbin in the direction of the winding axis, and when replacing the cutter with one of a different width, the cutter cannot be replaced unless the screw is completely removed.

[Purpose of invention]

The purpose of this invention is to enable the fixing position of the cutter to be freely adjusted according to changes in the mounting position in the direction of the winding axis of the coil bobbin, and to facilitate the work of replacing the cutter with one of a different width. do.

[Structure of the idea]

(Means for Solving the Problem) In the present invention, a single-sided adhesive tape 34 pulled out from a tape roll 19 rotatably supported by a tape roll shaft 17 is placed on a winding shaft 60 at a fixed position.
In the taping device for wrapping the surface of the coil 63 of the coil bobbin 64 rotated by the coil bobbin 64, a cutter mount 81 is provided near the coil bobbin 64 so as to be able to move forward and backward with respect to the tape 34, and the winding shaft is attached to the cutter mount 81. A guide groove 82 parallel to the cutter mount 81 is cut from the end surface, and the shaft portion of the screw 84 screwed onto the cursor plate 83 is inserted into the guide groove 82 of the cutter mount 81 from the groove end opening. The cursor plate 83 is slidably engaged in a direction parallel to the winding shaft 60, and the screw 8
4 fixes a cursor plate 83 to a cutter mounting base 81, and this cursor plate 83 is formed by integrally providing a cutter 85.

(Function) In the present invention, when adjusting the fixed position of the cutter 85, loosen the screw 84 and insert the screw 84 into the guide groove.
2, the cursor plate 83 is guided by the cutter mount 81 to slide parallel to the winding shaft 60, and after positioning, the screw 84 is tightened. When replacing the cutter 85 with one of a different width, loosen the screw 84, slide it within the guide groove 82 of the cutter mount 81 with the screw 84 attached to the cursor plate 83, and then pull it out from the opening at the end of the groove. Try to take it.

[Example of idea]

Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings.

As shown in FIGS. 1 and 2, a mechanism for rotating the head plate 3 is provided between the mounting board 2 that stands perpendicularly to the lower base 1 and the head plate 3 located in front of the mounting board 2. . That is, a vertical movement adjustment guide 4 is fixed to the mounting board 2, a vertical movement adjustment part 6 is fixed to this guide 4 with two screws 5, and the tip of a horizontal plate 7 provided integrally with this adjustment part 6 is fixed. The head plate 3 is rotatably mounted via a head support shaft 8, and a disk 10 is fixed to a rotation shaft 9 projecting forward from the mounting board 2. shaft 11 and head plate 3
The shaft 12 at the right end of the link 13 whose length is adjustable
Connect by. This link 13 is connected to the cylindrical member 1
3a and the shaft member 13b are fit together so as to be expandable and retractable, and are fixed with thumbscrews 14. This wing screw 14 and the screw 5 are loosened when vertically adjusting the position of the cutting edge of the cutter (described later). In addition, the rotation axis 9
is an electric motor 15 fixed to the rear surface of the mounting board 2.
It rotates by.

Further, a tape roll support plate 16 is fixed to the upper part of the head plate 3, and a tape roll shaft 17 is integrally provided protruding from the upper end of the support plate 16 toward the front. A tape roll 19 fitted on a receiving ring 18 is rotatably supported. Further, an arm 21 is rotatably fixed to the lower part of the support plate 16 with a screw 20,
A tape width position adjusting shaft 22 is integrally provided protruding from the tip of this arm 21 toward the front, and a compression spring 23 and a spacer 24 are fitted to this shaft 22, and a holder 25a of a rotating plate 25 is rotatably provided. After fitting, a double nut 26 is screwed together, and this nut 26 supports the pressing force of the spring 23 and adjusts the position of the rotary plate 25 in the tape width direction. This rotating plate 25 is pulled upward by a coil spring 27 suspended from the tape roll shaft 17. Further, a pressing shaft 28 is provided protruding from the tip of the rotary plate 25 toward the front, and a pair of one-side flanged rollers 29 is rotatably fitted onto this pressing shaft 28, and a compression spring 30 and a spacer 31 are also fitted. Then, the double nut 32 is further screwed together to lock the spacer 31. Then, the inner roller 29 is pressed against the outer peripheral surface of the tape roll 19 by the tensile force of the spring 27, and the tape roll 19 is pressed by the flange portion 33 of one side of the pair of rollers 29 based on the pressing force of the spring 30. Position it by squeezing both sides of it. The rotation of the arm 21 is adjusted according to the diameter of the tape roll 19 by loosening the screw 20. The roller 29 with a flange on one side is named Rulon (registered trademark of Dixon Co., Ltd. in the United States, which will be explained in detail later).
Or molded with Teflon (registered trademark of DuPont, USA) or the like.

Further, a mechanism is provided on the front right side of the head plate 3 for guiding the adhesive tape 34 with adhesive on one side that has been rewound from the tape roll 19. That is, four support shafts 35 are provided protruding from the head plate 3, a V-shaped bearing 36 is rotatably provided on each support shaft 35, and a guide portion slider 37 is horizontally movable between the upper and lower V-shaped bearings 36. Fits in. The slider 37 has the front and rear corners of the upper and lower surfaces thereof chamfered so that the chamfered surfaces 38 are brought into close contact with the inclined groove surfaces 39 of the V-shaped bearing 36. Further, the tip of a spring 41 fixed to the center of the head plate 3 with a screw 40 is engaged with the receiving part 42 at the left end of the guide slider 37, so that the slider 3
7 to the right, fix a vertical support plate 44 to the center of this slider 37 with a screw 43, and attach a bracket 4 to the upper end of this vertical support plate 44.
5 is fixed, and a guide roller mounting plate 47 is rotatably mounted on this bracket 45 by a shaft 46, and the downward rotation of this mounting plate 47 is slightly prevented by a stopper 48 provided on the vertical support plate 44. Lock in the tilted position upward to the left. This guide roller mounting plate 47 has three guide roller shafts 49 and one O-ring shaft 50 protruding from the front, and each guide roller shaft 49 has a plurality of guide rollers 51 of the same diameter.
are rotatably fitted to each other to form an E-shaped ring member 5.
2, and a resilient O-ring 53 used for sealing is fitted onto the O-ring shaft 50. Further, a forward stopper 55 and a backward stopper 56 are screwed onto the left and right sides of the U-shaped mounting plate 54 fixed to the front surface of the head plate 3 to determine the position of the tip of the tape after tape cutting.
By means of these stoppers 55 and 56, the vertical support plate 44
The lower part of the vertical support plate 44 is guided by the concave groove 58 of the L-shaped guide plate 57 fixed to the head plate 3.

The guide roller 51 is molded from polytetrafluoroethylene containing specially selected fillers (Rulon; a registered trademark of Dickson Corporation in the United States), and this Rulon has three compositions, namely 50 to 80%
(by volume)% of polytetrafluoroethylene, a silicate selected from the group consisting of glass, talc, mica and aluminum silicate, selected from the group consisting of aluminum, molybdenum, silver, copper, lead, lead oxide and copper oxide. A bearing for relatively moving surfaces, characterized in that the silicate is present in an equal to twice the amount of the third component in terms of volume. etc. (described in Japanese Patent Publication No. 40-24728),
It is known to have excellent wear resistance and heat resistance, as well as a low coefficient of friction. Moreover, this lulon has a moderate adhesion property, and the adhesive tape 34 can be lightly attached to the lulon. In contrast, pure polytetrafluoroethylene (Teflon; registered trademark of DuPont, USA)
In this case, the adhesive force of the tape 34 is too weak, and in the case of metal, the adhesive force of the tape 34 is too strong.

Further, a bearing part 59 is fixed to the upper part of the mounting board 2, a winding shaft 60 rotatably fitted to the bearing part 59 is projected in front of the head plate 3, and the tip end surface of the winding shaft 60 is made to protrude in front of the head plate 3. A bobbin shaft 61 is fitted into an axial insertion hole drilled in and fixed with screws, and a coil bobbin 64 around which a coil 63 is wound is fitted onto the square shaft portion 62 of the bobbin shaft 61. The winding shaft 60 is rotated by an electric motor 66 fixed to the rear surface of the mounting board 2 via a spacer 65.

Further, a mechanism is provided on the front left side of the head plate 3 for attaching the tip of the tape 34 to the outer peripheral surface of the coil 63 wound around the coil bobbin 64. That is, four support shafts 67 are provided protruding from the head plate 3, and V-shaped bearings 68 are rotatably provided on each of the support shafts 67, and between the left and right V-shaped bearings 68, a pasting part slider 69 can be moved vertically. Fits in. The slider 69 has the front and rear corners of the left and right side surfaces chamfered to bring the cut surfaces 70 into close contact with the inclined groove surfaces 71 of the V-shaped bearing 68. Furthermore, an L-shaped plate 72 is fixed to the upper end of this pasting part slider 69, and an elastic pressing part 7 made of neoprene sponge rubber is attached to the upper surface of this L-shaped plate 72 via a base rubber 73.
Glue to 4. Further, a roller 76 is rotatably attached to a shaft 75 protruding from the lower part of the slider 69, and a main body of a rotary solenoid 77 is fixed to the back surface of the head plate 3. is made to protrude from the front surface of the head plate 3, and a vertically movable plate 79 is fixed to the tip of this rotating shaft 78, and the concave groove 80 of this actuating plate 79 and the roller 76 are slidably fitted.
The rotation shaft 78 of the rotary solenoid 77 is energized clockwise by a mainspring spring (not shown) fitted in the head plate 3, and when the solenoid is not energized, the rotary solenoid 77 is energized through the operating plate 79 to the attachment portion. The roller 76 of the slider 69 is pushed down.

In addition, a cutter mounting base 81 made of an L-shaped plate is obliquely fixed to the upper left side of the head plate 3, and a third
As shown in the figure, this cutter mount 81 is formed by cutting two guide grooves 82 parallel to the winding shaft 60, bobbin shaft 61, etc. from the front side from the end surface.
The shafts of the two screws 84 screwed onto the cursor plate 83 are inserted into the guide groove 82 of this cutter mount 81 from the groove end opening, and at this time, as clearly shown in FIGS. 1 and 3, Engage the hook-shaped portion integrally molded at the upper end of the cursor plate 83 with the upper end surface of the cutter mounting base 81 so that it can slide freely in a direction parallel to the winding shaft 60, and tighten the screw 84 at an appropriate insertion position. In this case, the cursor plate 8 is attached to the cutter mounting base 81.
Fix 3. On this cursor plate 83, a cutter 85 for tape cutting and a labeler fixing plate 86 are integrally attached with screws 87. Labeler 8 as a sheet material for rubbing
The lower part of the labeler 89 is clamped and fixed, and the lower part of the labeler 89 is attached to the back of the cutting edge 88. The upper part of the labeler 89 is bent back and the upper tip is attached to the cutter 85
The free end is made to protrude sufficiently to the opposite side of the cutting edge 88. Labeler 89 is a long and thin sheet made of ultra-high molecular weight polyethylene (registered trademark: Solidil) manufactured by Pennekan Fuskel in West Germany.It has excellent abrasion resistance and impact resistance, and It has a small coefficient and is highly slippery, has strong elasticity and resistance to bending, and is durable against bending, so there is no risk of it becoming easily broken at creases.

Further, a mechanism is provided at the upper left side of the mounting board 2 for projecting the coil bobbin 64, which has been wrapped with tape, from the bobbin shaft 62. That is, the guide tube 90 is attached to the mounting board 2.
is fixed, and the slide shaft 9 is inserted into the inner hole of this guide tube 90.
1 is slidably fitted, and the upper part of the pushing plate 92 is fixed to the front end of this slide shaft 91, and this pushing plate 9
2 is fitted into the holder 94 of the falling claw 93 which is slidably fitted onto the winding shaft 60, and the solenoid actuator 96 is fitted onto the front surface of the mounting board 2 via an L-shaped mounting plate 95. An engagement plate 98 is fixed to the front-rear operating shaft 97 of the actuator 96, and the groove at the tip of the engagement plate 98 is fitted into the pushing plate 92, and the rear end of the slide shaft 91 is A compression spring 100 is made to protrude from the rear surface of the mounting board 2 and is installed between the spring receiving part 99 at the rear end and the mounting board 2 to bias the slide shaft 91 rearward.

When using this device, first, the coil bobbin 6 which has been wound with a coil around the bobbin shaft 61
At the same time, the tape roll 19 is set between the tape roll shaft 17 and the flanges 23 of the pair of one-side flanged rollers 29, and three tapes 34 are pulled out from the tape roll 19 so that the adhesive surface is the top surface. Reverse S to the guide roller 51 of
At this time, the tape 34 is inserted between the leftmost guide roller 51 and the O-ring 53, and then pulled out to the upper surface of the elastic pressing part 74. Due to contact with the O-ring 53, the tape 3
4 side shift is prevented.

Next, the operation will be explained based on FIG. Each operation is sequentially controlled by a sequence circuit in a control box 101 provided on the base 1.

When the operator turns on the start switch, the start starts from the state shown in FIG. 4a, and as shown in FIG. The elastic pressing part 74 pushes up the tip of the adhesive tape 34 on this pressing part 74, and the adhesive surface of the tip of this tape 34 is pushed up by the coil 63.
When the pressing part 74 is lowered by demagnetization of the rotary solenoid 77, the motor 66 is driven to rotate the coil bobbin 64 clockwise as shown in FIG. Wrap tape 34 around. At the beginning of winding of the tape 34, as shown in FIG. At first, tape roll 19 and coil bobbin 6
The slack part of the tape between 4 and 4 is fed to the coil surface, so that no large tension is applied to the tape 34, and winding of the tape 34 around the coil surface can be started smoothly without resistance.
is forcibly pulled off from the tape roll 19 and wound around the coil surface a predetermined number of times, and the number of times is detected by a micro switch (not shown) provided on the winding shaft 60 and counted up to a preset number by a counter. to stop the motor 66. Next, the motor 15 is driven to rotate the disk 10 as shown in FIG. 4d, thereby swinging the head plate 3 to the right about the head support shaft 8 as a fulcrum. At this time, since the winding shaft 60 is fixed and the coil bobbin 64 does not rotate, the tape 34 is first forcibly pulled out from the tape roll 19, and then the cutting edge 88 of the cutter 85 passes near the bottom surface of the coil 63. Then, the tape 34 is cut. As a result, the slider 37 retreats until the vertical support plate 44 is stopped by the retreat stopper 56, and the guide roller mounting plate 4
7 is lowered to the stopper 48, and the leading end of the tape 34 falls onto the upper surface of the elastic pressing section 74. The position of the leading end of this tape 34 is adjusted by a retraction stopper 56. Furthermore, following Katsuta 85, Labela 8
9 rubs the unattached portion of the cut end of the tape wound around the coil 63 against the winding surface to attach it. Since the head plate 3 moves back to the left before the left free end of the labeler 89 comes off the coil surface, the left free end of the labeler 89 touches the cut end of the tape wound around the coil 63 during this return movement. There is no risk of getting caught. In this way, the elastic pressing part 7
When the head plate 3 rotates until the head plate 4 is located directly below the coil 63, the disc 10 rotates once, which is detected by a micro switch (not shown) and the motor 15 is stopped, followed by a solenoid actuator. The actuating shaft 97 of the eater 96 is operated to protrude toward the front, and the falling claw 93 moves toward the front via the engagement plate 98 and the pushing plate 92, and falls from the square shaft portion 62 of the coil bobbin 64 and the bobbin shaft 61.

Then, when adjusting the fixed position of the cutter 85, loosen the screw 84 and insert the screw 84 into the guide groove 85.
While moving the cursor plate 83 along the winding axis 60, the cursor plate 83 is guided by the cutter mount 81 to slide parallel to the winding shaft 60, and after positioning, the screw 84 is tightened. Also, when replacing the cutter 85 with one of a different width, loosen the screw 84 and
While attaching the cursor plate 83 to the cutter mounting base 81
Slide it in the guide groove 82, pull it out from the opening at the end of the groove, and replace it with another one.

[Effect of idea]

According to the present invention, a cutter mount is provided in the vicinity of the coil bobbin so that it can move forward and backward with respect to the tape, and a guide groove parallel to the winding axis that rotates the coil bobbin is cut into the cutter mount from the end surface, Insert the shaft of the screw screwed into the cursor plate, which is integrally provided with the cutter, into the guide groove of the cutter mount from the groove end opening, and place the cursor plate in the cutter mount parallel to the winding axis. The cursor plate is fixed to the cutter mounting base using the above-mentioned screws. Loosen the screws, move the cursor plate along the guide groove, and align the cursor plate parallel to the winding axis. By sliding the cutter in the direction, the fixed position of the cutter can be freely adjusted in accordance with the change in the mounting position of the coil bobbin in the direction of the winding axis. Also, when replacing the cutter with one of a different width, loosen the above screw, slide the cursor plate, and pull out the screw from the groove end opening of the guide groove. The entire board can be replaced, making it easy to replace the cutter. In either case, the installation angle of the cutter is always kept constant due to the relationship between the cutter mounting base and the cursor plate, so all you have to do is slide the cursor plate in the direction of the winding axis. There is no need to adjust the cutter mounting angle.

[Brief explanation of the drawing]

Fig. 1 is a front view showing one embodiment of the taping device of the present invention, Fig. 2 is a plan view thereof, Fig. 3 is a perspective view of its main parts, and Figs. 4 a, b, c, and d are its functions. FIG. 17... Tape roll shaft, 19... Tape roll, 34... Tape, 60... Winding shaft, 63...
Coil, 64...Coil bobbin, 81...Cut mounting base, 82...Guide groove, 83...Cursor plate,
84...Screw, 85...Katsuta.

Claims (1)

[Scope of utility model registration request] A taping device that winds a tape with a single-sided adhesive drawn from a tape roll rotatably supported by a tape roll shaft onto the surface of a coil of a coil bobbin that is rotated by a winding shaft in a fixed position. A cutter mount is provided near the tape so that it can move forward and backward with respect to the tape, a guide groove parallel to the winding axis is cut into the cutter mount from the end surface, and a cursor plate is inserted into the guide groove of the cutter mount. Insert the shaft of the threaded screw through the groove end opening, and engage the cursor plate with the cutter mounting base so as to be able to slide freely in a direction parallel to the winding axis, and fix the cursor plate to the cutter mounting base with the screw. This taping device is characterized in that the cursor board is integrally provided with a cutter.