JPH10176143A - Tape applicator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tape applicator which can eliminate a problem, involved in the conventional tape applicator, that an adhesive tape cannot be easily, rapidly, and accurately applied to left and right predetemtined positions of a door sash and hence has poor versatility. SOLUTION: This tape applicator comprises: an applicator body 22 provided with a grasp holding section 23; a taper guide section 14 provided in the applicator body 22 and is equipped with a pressing section 16 for pressing an adhesive tape against a tape application face; engagement means for slidably pressing the pressing section 16 against the tape application face; and emergence means for allowing the pressing section 16 to emerge in the pressing direction. The engagement means comprises: a first engagement section provided with a sliding block 20 held slidably on a holder block 13 provided in the applicator body 22 and a first abutting section 32 provided in the sliding block 20 and detachably abutted against a work; and a second engagement section having a second abutting section 18 that is provided in the applicator body 22 so as to face the first engagement section with the tape guide section 14 provided therebetween and can be abutted against the work.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape sticking apparatus for peeling and sticking a band-shaped adhesive tape from a backing sheet along a tape sticking surface formed on a work.

[0002]

2. Description of the Related Art A matte black interior of a door sash of an automobile suppresses the reflection of light inside the door sash, especially when viewed from the side of the vehicle body. Not only that, it is desirable to ensure a clean view of the entire vehicle body.

[0003] For this reason, it has been customary to spray and apply a matte black paint to the door sash. However, spray coating requires additional equipment for maintaining a good working environment, and it has various disadvantages such as time-consuming drying of the paint. It is disclosed in Japanese Patent Application Laid-Open No. SHO 51-51 that a good matte black adhesive tape is adhered to a door sash.
Japanese Patent Application Laid-Open No. 135015/1987 and Japanese Patent Application Laid-Open No. Sho 62-46780. In this case, the door sash portion of the car is, as is well known, a three-dimensional curved surface portion occupies a large portion, so the above-described attaching device is extremely large, and when incorporated into an actual production line, The production cost of the production line is increased, the followability to the design change of the door sash is poor, and the versatility is poor.

However, when an operator attempts to perform this sticking operation only manually without using any jigs, it is extremely expensive to perform this operation accurately at a speed corresponding to the production line of an automobile. Work skill will be required.

[0005] Therefore, in order to perform the above-mentioned work easily and quickly without a skilled worker, for example, Japanese Patent Application Laid-Open No. 5-3 / 1993.
No. 38627 has proposed a tape sticking device, and by using this tape sticking device, even a skilled worker can easily and quickly apply an adhesive tape to a predetermined position of a door sash portion accurately. You can do it. In addition, a device for automatically assembling a weatherstrip to a door sash portion, for example, as disclosed in
It is considered that those disclosed in Japanese Unexamined Patent Publication No. 221582, Japanese Unexamined Patent Publication No. Hei 3-166068, and Japanese Patent Publication No. 5-65298 are also applicable.

[0006]

Problems to be Solved by the Invention Japanese Patent Application Laid-Open No. 5-33862
In the conventional tape application device disclosed in Japanese Patent Publication No. 7 (1994), right and left sides exist respectively corresponding to the right and left doors of the vehicle. It is necessary to use four different types of tape application devices, which is troublesome.

Further, when the shape such as the width of the door sash portion changes depending on the type of vehicle, a tape sticking device corresponding to the shape must be prepared each time, which is extremely inflexible.

On the other hand, Japanese Patent Laid-Open No. 222212/1990,
JP-A-3-166068 or JP-B-5-6
When the weather strip mounting apparatus disclosed in Japanese Patent No. 5298 is applied to a tape bonding apparatus, a space for installing a manipulator in addition to a door panel holding and positioning apparatus is required, and the production line of an automobile is changed. Otherwise, there is a problem that this cannot be dealt with.

[0009]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a highly versatile tape applying apparatus which can easily and quickly apply adhesive tapes to predetermined positions of left and right door sashes without requiring a skilled worker. Is to provide.

[0010]

A tape applying device according to the present invention is a tape applying device for joining an adhesive tape to a tape applying surface formed on a work, and includes a device main body having a grip portion, A tape guide portion provided on the device main body and having a pressing portion for pressing the adhesive tape against the tape attaching surface, an engaging means for slidably pressing the pressing portion against the tape attaching surface, A retracting means for allowing the pressing portion to protrude and retract along the pressing direction, wherein the engaging means includes a sliding block slidably held on a holder block provided on the apparatus main body; A first engaging portion provided on the moving block and having a first abutting portion detachably abutting on the work; and a first engaging portion having the first abutting portion sandwiching the tape guiding portion. Provided in the device body, It is characterized in that a second engaging portion having a second contact portion which can contact with the chromatography click.

Therefore, after the tip of the adhesive tape is stuck to a predetermined position on the tape sticking surface of the work, the tape guide portion of the apparatus body and the portion of the tape sticking surface to which the tip of the adhesive tape is stuck are attached. The first contact portion and the second contact portion of the engagement means are brought into contact with the workpiece so as to overlap. Thus, the adhesive tape is pressed against the tape application surface by the pressing portion.

In this state, when the main body of the apparatus is moved along the tape application surface, the adhesive tape whose displacement relative to the tape application surface is restrained by the tape guide portion is pressed against the tape application surface by the pressing portion, and the tape is applied to the tape application surface. Going pasted together.

When removing the tape attaching device from the work, the sliding block is operated to separate the first contact portion of the engaging main end from the work, and the retracting means separates the pressing portion from the tape attaching surface of the work. Thus, the tape applying device is removed from the work.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In a tape sticking device according to the present invention, a first contact portion is a roller rotatably supported on a sliding block, and a second contact portion is similarly a device main body. May be a roller rotatably supported with respect to the workpiece, thereby reducing the resistance when the tape applying apparatus moves with respect to the workpiece.

A plurality of second contact portions may be arranged at intervals along the direction in which the adhesive tape is guided by the tape guide portion. Engage without sticking.

Further, it is also effective to form the surface of the pressing portion with a rubber-like elastic body, whereby the adhesive tape is evenly applied to the tape application surface.

On the other hand, the sliding block may be slidable in a direction opposite to the first engaging portion and the second engaging portion, and the sliding block is moved so that the first engaging portion is separated from the second engaging portion. By sliding the moving block, the tape attaching device can be detached from the work. In this case, it is preferable that an urging means for urging the first engaging portion toward the second engaging portion is provided between the apparatus main body and the sliding block, whereby the tape applying device automatically moves the work with respect to the work. Is engaged.

Further, the retracting means may be interlocked with the sliding operation of the sliding block.
A proximal end connected to the sliding block is a large-diameter portion, and a small-diameter portion on the distal end side is connected to the large-diameter portion via a tapered portion, and a proximal end disposed coaxially with the stepped shaft. And a holding pin supported by the apparatus body. And may be rotatably supported by a stepped shaft.

That is, when the sliding block is slid so that the first engaging portion is separated from the second engaging portion, the large-diameter hole portion of the pressing portion corresponding to the large-diameter portion of the stepped shaft has the large diameter hole of the stepped shaft. The pressing portion is retracted by its own weight in a direction away from the tape attaching surface of the work so that the small diameter portion of the pressing portion corresponding to the small diameter portion of the stepped shaft is supported by the support pin while being supported by the small diameter portion. . Conversely, when the sliding block is slid so that the first engaging portion approaches the second engaging portion, the large-diameter portion of the stepped shaft supports the large-diameter hole of the pressing portion and the large-diameter hole of the stepped shaft. The pressing portion protrudes in a direction in which it presses against the tape attaching surface of the work against its own weight so that the small diameter portion of the pressing portion is supported by the small diameter portion. In this case, the difference between the diameter of the large-diameter portion and the small-diameter portion of the stepped shaft and the difference between the small-diameter portion of the stepped shaft and the diameter of the support pin can be set to be substantially equal. It comes and goes in a state parallel to the axis of the attached shaft.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the tape applying device according to the present invention is applied to a front door sash portion of a passenger car will be described.
This will be described in detail with reference to FIGS. Here, FIG. 1 shows the appearance of the present embodiment, FIG. 2 shows its disassembled state, FIG. 3 shows its planar shape, and FIG. 4 shows IV-IV in FIG.
FIG. 5 shows a cross-sectional shape taken along the line VV in FIG. 3, and FIG. 6 shows a state at the time of attachment / detachment to the front door sash portion as a work corresponding to FIG. 8 shows a front view in a state of being connected to the front door sash portion, and FIG. 8 shows a left side view of the front view in a broken state.

That is, the end block 12 contacting one side end surface of the adhesive tape 11 and the holder block 13 contacting the other side end surface of the adhesive tape 11 form a pair of tape guide portions 14 extending in parallel with each other. And are integrally connected to each other. That is, the pair of tape guides 14 has a length corresponding to the width of the adhesive tape 11 (the length in the vertical direction in FIG. 3), and the surfaces of the tape guides 14 are formed of a low-density polyethylene sheet or the like. It is covered with an antifriction member 15 having a coefficient of friction. Further, a pressing drum 16 as a pressing portion of the present invention is disposed between the pair of tape guide portions 14. The supporting structure of the pressing drum 16 will be described later.

A pair of positioning rollers 18 which can be engaged with the outer side of the front door sash portion 17 are rotatably mounted on the end block 12, and a part of these outer peripheral portions is formed on the front end side of the tape guide portion 14. It is in a state of protruding right above (the lower side in FIG. 3). The pair of positioning rollers 18, which are the second engagement portions having the second contact portions of the present invention, can be replaced with the optimum ones according to the width and shape of the front door sash portion 17. I have.

On the holder block 13, a pair of guide wall portions 19 are erected in parallel with each other.
9, a sliding block 20 is slidably housed in a direction facing the positioning roller 18. Further, a guide rod holder 21 facing the sliding block 20 is provided upright at an end of the holder block 13 opposite to the tape guide portion 14.

The apparatus main body 22 in this embodiment is
In addition to the end block 12, the holder block 13, the guide wall 19, and the guide rod holder 21 described above, it includes a gripping member 23 described later.

At the upper end of the guide wall 19, holding plates 24 for preventing the sliding block 20 from coming off from the guide wall 19 upward are respectively fixed via fixing screws 25. A stopper portion is provided on the guide rod holder 21 side of the sliding block 20 so as to be engaged with a step 26 formed at the center of the holder block 13 to prevent the sliding block 20 from coming off the end block 12 side. 27 protrudes downward. Further, the guide rod holder 21
A pair of guide rods whose front ends are slidably fitted in a pair of guide holes 28 formed in the slide block 20 in parallel with each other along the facing direction of the end block 12 and the holder block 13. The base end of the guide rod 29 is fixed via a set screw 30. The guide rod 29 is located between the slide block 20 and the guide rod holder 21 so that the slide block 20 is located on the end block 12 side. A biasing compression coil spring 31 is mounted.

Accordingly, the sliding block 20 is urged toward the end block 12 by the spring force of the compression coil spring 31, and the sliding block 20 is moved toward the guide rod holder 21 against the spring force of the compression coil spring 31. It can be displaced.

On the end block 12 side of the sliding block 20 projecting directly above the pressing drum 16, the front door sash portion 17 is engaged with the inner side of the front door sash portion 17 and the pair of positioning rollers 18 described above. Roller 32 as a first contact portion of the present invention capable of engaging with
The main body 22 is engaged with the front door sash 17 by the pressing roller 32 and the positioning roller 18, and a pressing drum 16 described later is pressed against the tape attaching surface 33 of the front door sash 17. It is possible to do. Further, at the upper end of the sliding block 20, a finger hook portion 34 is provided so as to retreat the sliding block 20 toward the guide rod holder 21 against the spring force of the compression coil spring 31. .

A guide groove 35 extending in the direction in which the end block 12 and the holder block 13 face each other is formed in the center of the rear side of the sliding block 20. This guide groove 3
5, a stepped shaft 38 screwed by a fixing screw 37 via a connecting plate 36 to the end surface of the sliding block 20 on the guide rod holder 21 side is slidably accommodated. The stepped shaft 38 includes a large-diameter portion 39 whose base end is screwed to the connecting plate 36, a small-diameter portion 40 located on the distal end side, and a tapered portion 41 connecting the large-diameter portion 39 and the small-diameter portion 40. Has,
The axis is set parallel to the direction in which the end block 12 and the holder block 13 face each other.

Similarly, a fixing groove 42 is formed at the center of the back side of the end block 12 so as to extend along the direction in which the end block 12 and the holder block 13 face each other. A base end of a support pin 45 held by a fixing screw 44 via a pin fixing plate 43 on the back side of the end block 12 is fixed to the fixing groove 42. The support pin 45 is set coaxially with the stepped shaft 38, and its tip end is formed in a pin fitting hole 46 formed from the tip end side of the stepped shaft 38.
Is slidably fitted to That is, the stepped shaft 3
8 is in a state of being supported by the support pin 45.

The pressing drum 16 has a stepped shaft 38.
A large-diameter hole portion 47, a small-diameter hole portion 48, and a tapered hole portion 49 corresponding to the above are provided, and are rotatably supported by the stepped shaft 38. The fitting length between the large-diameter hole portion 47 of the pressing drum 16 and the large-diameter portion 39 of the stepped shaft 38 (the contact length in the left-right direction in FIG. 4).
4, the fitting length between the small-diameter hole 48 of the pressing drum 16 and the small-diameter portion 40 of the stepped shaft 38 is set equal, and the step 26 of the holder block 13 and the stopper 27 contact each other. When the sliding block 20 is retracted toward the guide rod holder 21 by a predetermined distance from the state shown in FIG. 5, the fitting positions are shifted and the small-diameter hole portion 48 contacts the support pin 45 by the weight of the pressing drum 16. At the same time, the large-diameter hole portion 47 comes into contact with the small-diameter portion 40 of the stepped shaft 38, and the pressing drum 16 is loosely fitted to the support pin 45 and the stepped shaft 38 as shown in FIG.

The fitting length between the large-diameter hole 47 of the pressing drum 16 and the large-diameter portion 39 of the stepped shaft 38, and the small-diameter hole 48 of the pressing drum 16 and the stepped shaft 38 in the state shown in FIG. Of the front door sash 17 using the tape attaching device needs to be set appropriately according to the width of the front door sash 17. The surface of the pressing drum 16 is covered with a rubber-like elastic body 50 such as polyurethane foam or hard rubber that can be elastically deformed in the radial direction.

Large diameter portion 3 of stepped shaft 38 in this embodiment
The difference between the diameter of the small-diameter portion 9 and the diameter of the small-diameter portion 40 is set equal to the difference between the diameter of the small-diameter portion 40 and the diameter of the support pin 45.
0 to the retracted state shown in FIG.
6 can be shifted to the gripping member 23 while keeping the axis 6 parallel.

At the center of the holder block 13, a base end of a gripping member 23 extending along the direction in which the end block 12 and the holder block 13 face each other and projecting directly below the pressing drum 16 is provided with a pair of brackets 51. , And screwed by a fixing screw 52 to form a gap 53 with the pressing drum 16.

Therefore, at the time of actual work, the tip of the adhesive tape 11 is peeled off from the backing paper 54, and the tip of the adhesive tape 11 is fixed to a predetermined position (a general After that, the slide block 20 is pulled away from the end block 12 side by using the finger hook portion 34, and the holder block 1 of the apparatus main body 22 is kept in this state.
The device main body 22 is pressed against the front door sash portion 17 so that the portion 3 and the portion of the tape attaching surface 33 to which the tip of the adhesive tape 11 is attached are overlapped, and the finger hook portion 34 is pressed.
The positioning roller 18 and the pressing roller 32 are engaged with the front door sash 17 by the spring force of the compression coil spring 31.

Thus, the pressing drum 16 is pushed up to the tape attaching surface 33 side, and the rubber-like elastic body 50 on the surface is pressed.
Are elastically deformed so as to be crushed, and the adhesive tape 11 is pressed against the tape attaching surface 33. Further, when the sliding block 20 is separated from the end block 12 side, the interval between the pressing drum 16 and the roller is widened, so that the operation of attaching and detaching the tape attaching device to and from the front door sash 17 can be easily performed.

From this state, the adhesive tape 11 is attached to the backing sheet 54.
When the apparatus main body 22 is moved leftward in FIG. 7 along the tape attaching surface 33 while being peeled off from the
The adhesive tape 11, whose displacement with respect to the tape attaching surface 33 is restricted by this, is pressed against the tape attaching surface 33 with elastic deformation of the pressing drum 16 and is attached to the tape attaching surface 33.

Here, since the sliding block 20 is constantly urged toward the pair of positioning rollers 18 by the spring force of the compression coil spring 31, the front door sash 1
The sliding block 20 is displaced in the direction opposite to the positioning roller 18 following the fluctuation or change of the width of the roller 7, and the apparatus main body 22 is engaged with the front door sash 17 with the positioning roller 18 as a reference. Can be stopped.
Further, the surface of the tape guide portion 14 is covered with the anti-friction member 15 having a low coefficient of friction, and the pressing drum 16 has a stepped shaft 38.
, The frictional resistance when the apparatus main body 22 is moved along the tape attaching surface 33 of the front door sash portion 17 is reduced, and this attaching operation can be performed easily.

After the adhesive tape 11 is attached to the tape attaching surface 33 of the front door sash portion 17 in this manner, the adhesive tape 11 is attached using a squeeze roller (not shown).
Are attached to the remaining portion of the front door sash 17. In this state, since the adhesive tape 11 is already positioned with respect to the front door sash portion 17, the work can be performed without any problem.

It is also possible to position the adhesive tape 11 and the backing sheet 54 on the front side in the traveling direction as shown in FIG. 5, but these are held by the gripping member 23 and the tape guide section 14 as shown in FIG. The adhesive tape 11 is folded back to the tape guide portion 14 side through the gap 53 of
Only the mount 54 is positioned forward in the moving direction of 2, so that the workability can be further improved.

Further, the above-described front door sash portion 1
7 is generally symmetrical with respect to the body of the automobile, so that the direction in which the adhesive tape 11 passes through the tape guide portion 14 according to the left and right hand is shown in FIGS. 5 and 7. It is possible to cope with the situation by simply moving the apparatus body 22 in the reverse direction and further moving the apparatus main body 22 in reverse with respect to the tape attaching surface 33 of the front door sash portion 17.

Further, when the width and the shape of the front door sash portion 17 are extremely different due to the difference of the vehicle type, etc., it is possible to adjust and cope by replacing the positioning roller 18 and the pressing roller 32 with those having different shapes. is there.

In the above-described embodiment, the cylindrical pressing drum 16 is used as the pressing portion. However, a flat pressing drum may be used. Further, in the present embodiment, the stepped hole corresponding to the stepped shaft 38 is formed in the pressing drum 16 as the retracting means, but any structure having a structure in which the pressing portion can be moved in and out in conjunction with the sliding operation of the sliding block. For example, it is naturally possible to adopt a structure other than this embodiment.

[0043]

According to the tape applying apparatus of the present invention, there is no directivity in the direction in which the adhesive tape passes through the tape guide portion of the apparatus main body, that is, the adhesive is adhered from any direction along the longitudinal direction of the adhesive tape. Since the tape can be passed through the tape guide section, the tape can be used as it is, for example, for any of the left and right workpieces.

In addition, the first engaging portion of the engaging means is displaced in the direction facing the second engaging portion following the fluctuation or change of the width of the work, and the apparatus body is always shaken against the work. Without the need for a skilled worker, so that the adhesive tape can be accurately applied to the tape-applied surface of the work, and the adaptability to the shape change of the work is better than the conventional one. be able to.

In the case where the first contact portion and the second contact portion are formed by rollers, the resistance when the tape applying device is moved with respect to the workpiece is reduced, and the tape attaching operation can be easily performed with a small operation force. Can be done. Further, when a plurality of second contact portions are arranged at intervals along the guide direction of the adhesive tape by the tape guide portion, the tape attaching device engages the work without play, The adhesive tape can be accurately applied to the tape application surface of the work.

On the other hand, when the surface of the pressing portion is formed of a rubber-like elastic material, the adhesive tape can be stuck evenly to the tape sticking surface while preventing air from being mixed.
When the retracting means is linked to the operation of the sliding block, the operation of attaching and detaching the tape attaching device to and from the work can be easily performed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the appearance of an embodiment in which a tape application device according to the present invention is applied to a front door inner sash portion of a passenger car.

FIG. 2 is an exploded perspective view of the embodiment shown in FIG.

FIG. 3 is a plan view of the embodiment shown in FIG. 1;

FIG. 4 is a sectional view taken along the line IV-IV in FIG. 3;

5 is a sectional view taken along the line VV in FIG. 3;

FIG. 6 is a cross-sectional view corresponding to FIG. 4 in a state where a sliding block is operated.

FIG. 7 is a front view showing a state where the tape attaching jig of the embodiment shown in FIG. 1 is connected to a front door sash portion.

FIG. 8 is a left side view showing a state where the tape applying device of the embodiment shown in FIG. 1 is connected to a front door sash portion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Adhesive tape 12 End block 13 Holder block 14 Tape guide part 15 Lubrication member 16 Press drum 17 Front door sash part 18 Positioning roller 19 Guide wall part 20 Sliding block 21 Guide rod holder 22 Device main body 23 Holding member 24 Holding plate 25 Fixing Screw 26 Step 27 Stopper 28 Guide Hole 29 Guide Rod 30 Set Screw 31 Compression Coil Spring 32 Pressing Roller 33 Tape Sticking Surface 34 Finger Hook 35 Guide Groove 36 Connecting Plate 37 Fixing Screw 38 Stepped Shaft 39 Large Diameter Part 40 small diameter part 41 taper part 42 fixing groove 43 pin fixing plate 44 fixing screw 45 support pin 46 pin fitting hole 47 large diameter hole 48 small diameter hole 49 taper hole 50 rubber elastic body 51 bracket 52 fixing screw 53 gap 54 mount

Claims (9)

[Claims] 1. A tape sticking device for joining an adhesive tape to a tape sticking surface formed on a work, comprising: a device main body having a gripping portion; A tape guide portion having a pressing portion for pressing against the attaching surface, an engaging means for slidably pressing the pressing portion against the tape attaching surface, and causing the pressing portion to protrude and retract along the pressing direction. The engaging means comprises: a sliding block which is slidably held with respect to a holder block provided on the apparatus main body; and a detachable mounting / dismounting means provided on the sliding block. A first engagement portion having a first abutment portion to be abutted; and a first engagement portion provided on the apparatus main body so as to face the first engagement portion with the tape guide portion interposed therebetween, and can abut on the work. The second with the second abutment A tape sticking device having an engaging portion. 2. The apparatus according to claim 1, wherein the first contact portion is a roller rotatably supported on the sliding block, and the second contact portion is rotatably supported on the apparatus main body. The tape sticking device according to claim 1, wherein the tape sticking device is a roller. 3. The device according to claim 1, wherein a plurality of the second contact portions are arranged at intervals along a direction in which the adhesive tape is guided by the tape guide portion. Tape sticking device. 4. The tape sticking device according to claim 1, wherein a surface of the pressing portion is formed of a rubber-like elastic body. 5. The sliding block according to claim 1, wherein the sliding block is slidable in a direction in which the first engaging portion and the second engaging portion face each other. The tape sticking device according to the above. 6. The apparatus according to claim 5, wherein an urging means for urging the first engaging portion toward the second engaging portion is provided between the apparatus main body and the sliding block. The tape sticking device according to the above. 7. The apparatus according to claim 1, wherein the retracting means is interlocked with a sliding operation of the sliding block.
The tape sticking device according to any one of claims 1 to 6. 8. The step-out shaft, wherein a base end side connected to the slide block has a large-diameter portion, and a small-diameter portion on a distal end side is connected to the large-diameter portion through a tapered portion. A holding pin that is disposed coaxially with the stepped shaft and whose base end is supported by the apparatus main body, and a distal end side of the support pin is slidably fitted to the stepped shaft from the small diameter portion side, The tape applying device according to claim 7, wherein the pressing portion has a stepped hole corresponding to the stepped shaft and is rotatably supported by the stepped shaft. 9. A difference in diameter between a large diameter portion and a small diameter portion of the stepped shaft and a difference in diameter between the small diameter portion of the stepped machine shaft and the support pin are set substantially equal to each other. A tape application device according to claim 8.