JP2015124055A - Double-sided adhesive tape sticking apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the stability of a sticking action of a double-sided adhesive tape.SOLUTION: The present invention comprises a tape holding shaft that holds a double-sided adhesive tape so wound that release paper may turn to the front side, a cover member that holds the tape holding shaft rotatably around the axis, a sticking roller around which the double-sided adhesive tape rolled out of the tape holding shaft is wound to be held rotatably around the axis in the cover member so that the rear face of the double-sided adhesive tape may be stuck to an object, and a take-up roller held rotatably around the axis in the cover member so as to take up the release paper extending from a part of the double-sided adhesive tape which is stuck to the object by the sticking roller. The action of the sticking roller to stick the double-sided adhesive tape to the object is implemented by the rolling of the sticking roller on the front face of the object. The outermost peripheral part of the release paper the take-up roller takes up rolls on the front face of the object when the ticking roller acts to stick the double-sided adhesive tape.

Description

  The present invention relates to a double-sided pressure-sensitive adhesive tape sticking device for sticking a double-sided pressure-sensitive adhesive tape.

  In a production machine such as a printing machine, a cylindrical core material for winding a web material such as paper or film has been conventionally used. The core material includes a so-called paper tube made of paper and a so-called plastic core made of a plastic material.

  When the web material is wound around the core material, a double-sided adhesive tape is affixed to the core material, the end of the web material is bonded to the double-sided adhesive tape, and the core material is rotated. When the web material is spliced to the web, a double-sided adhesive tape is attached to the end of the web material already wound around the core material, and the end of the new web material is adhered to the double-sided adhesive tape. Rotate.

  Patent Document 1 discloses a double-sided pressure-sensitive adhesive tape sticking device for sticking a double-sided pressure-sensitive adhesive tape to a paper tube. The double-sided pressure-sensitive adhesive tape affixing device presses a drum prepared with a double-sided pressure-sensitive adhesive tape having a release paper on its surface wound thereon, and the double-sided pressure-sensitive adhesive tape unwound from the drum against a paper tube. A pressure roll to be attached; and a take-up drum for winding the release paper peeled off from the double-sided pressure-sensitive adhesive tape attached to the outer peripheral surface of the paper tube.

  More specifically, the pressure roll has an axis line so that the double-sided pressure-sensitive adhesive tape unwound from the drum is wound with its back surface as the outer peripheral side, and the back surface of the double-sided adhesive tape can be attached to the outer peripheral surface of the paper tube. The take-up drum is rotatably held around its axis so as to wind up the release paper extending from the portion attached to the outer peripheral surface of the paper tube by the pressure roll. Has been. The winding drum is provided at a position where it does not come into contact with the paper tube and is driven to rotate by the driving force of the motor.

  In the double-sided adhesive tape application device, the double-sided adhesive tape is continuously applied to the outer peripheral surface of the paper tube in the axial direction by pressing the pressure roll against the outer peripheral surface of the paper tube while the paper tube is being transferred in the axial direction. Can be affixed to.

JP 6-1975

  In the double-sided pressure-sensitive adhesive tape sticking device of Patent Document 1, since the portion in contact with the paper tube is only the pressure roll described above, the stability of the sticking operation of the double-sided pressure-sensitive adhesive tape is not good. For this reason, the double-sided pressure-sensitive adhesive tape sticking device may not be able to stick the double-sided pressure-sensitive adhesive tape successfully unless the relative movement with respect to the paper tube is performed with high accuracy. Therefore, the double-sided pressure-sensitive adhesive tape applying device of Patent Document 1 requires a transfer device that is adjusted in advance for moving the paper tube in the axial direction.

  The present invention has been created based on the above findings. The objective of this invention is providing the double-sided adhesive tape sticking apparatus which can improve the stability of the sticking operation | movement of a double-sided adhesive tape.

  The present invention is a double-sided pressure-sensitive adhesive tape sticking device for sticking a double-sided pressure-sensitive adhesive tape provided with a release paper on its surface to an object, and peeling and peeling the release paper so that the release paper is on the surface side. A tape holding shaft that holds the double-sided adhesive tape wound around, a cover member that rotatably holds the tape holding shaft about its axis, and the unwinding from the state held on the tape holding shaft A double-sided pressure-sensitive adhesive tape is wound around the back surface of the double-sided pressure-sensitive adhesive tape, and a sticking roller that is rotatably held around its axis in the cover member so that the back surface of the double-sided pressure-sensitive adhesive tape can be attached to the object; Of the double-sided pressure-sensitive adhesive tape, in the cover member, the release paper extending from the part attached to the object by the sticking roller is wound up. A winding roller that is rotatably held around an axis, and the axis of the tape holding shaft, the axis of the sticking roller, and the axis of the winding roller are parallel to each other, and the sticking roller is The operation of sticking the back surface of the double-sided pressure-sensitive adhesive tape to the object is continuously performed by the application roller rolling on the surface of the object, and the outermost periphery of the release paper wound by the take-up roller. The double-sided pressure-sensitive adhesive tape sticking device is characterized in that the portion rolls on the surface of the object when the sticking roller sticks the back surface of the double-sided pressure-sensitive adhesive tape to the object. It is.

  According to the present invention, the outermost peripheral part of the release paper wound by the winding roller rolls on the surface of the object during the operation in which the application roller applies the back surface of the double-sided adhesive tape to the object. The release paper can be taken up without the need to drive the take-up roller independently. Furthermore, according to the present invention, the sticking roller and the winding roller each roll on the surface of the object during the operation of the sticking roller sticking the back surface of the double-sided adhesive tape to the object. The stability of the tape sticking operation can be improved.

  For the start of winding of the release paper by the take-up roller, the tip of the release paper extending from the part attached to the object by the sticking roller (a part on the tip side is sufficient), for example, It is fixed to the outer peripheral surface of the winding roller.

  Further, in the present invention, the release paper extending from the part pasted to the object by the sticking roller is transferred to the winding roller via a mediation shaft provided on the tape holding shaft side with respect to the part. It may be wound up.

  In this case, the tape holding shaft, the sticking roller, and the winding roller can be efficiently arranged in a small space.

  In the present invention, it is preferable that the tape holding shaft, the sticking roller, the mediation shaft, and the winding roller are all supported by the cover member via a vibration absorbing elastic member.

  In this case, the stability of the application operation of the double-sided pressure-sensitive adhesive tape can be improved against vibrations that can occur during the operation of the application roller applying the back surface of the double-sided adhesive tape to the object.

  In the present invention, the cover member may be manually operated, and the position where the sticking roller sticks the back surface of the double-sided pressure-sensitive adhesive tape to the object, The back surface of the double-sided pressure-sensitive adhesive tape may be supported so as to be relatively movable between a position away from the object.

  In this case, by moving the cover member by such a support mechanism, the sticking roller can easily approach and separate from the object.

  In the present invention, the object has a cylindrical shape supported so as to be rotatable about its axis, and the cover member is supported so as to be relatively movable in the axial direction of the cylindrical object. It may be.

  In this case, the double-sided pressure-sensitive adhesive tape can be easily attached in the axial direction of the cylindrical object by moving the cover member by such a support mechanism.

  Further, in this case, when the sticking roller sticks the back surface of the double-sided adhesive tape to the cylindrical object, the speed at which the sticking roller and the cylindrical object roll with each other, and the cover member And the speed at which the cylindrical object moves in the axial direction may be associated with each other.

  In this case, for example, by setting the speed at which the sticking roller and the cylindrical object roll together and the speed at which the cover member moves in the axial direction of the cylindrical object to a predetermined value, The double-sided pressure-sensitive adhesive tape can be easily attached to the object in a spiral manner.

  Moreover, in this invention, the cutter part for cut | disconnecting the double-sided adhesive tape affixed on the said target object may be provided in the said cover member.

  In this case, it is easy to cut | disconnect the double-sided adhesive tape affixed on the target object in arbitrary positions.

  In the present invention, the cover member may have a main body portion and a lid portion that are detachable by moving relative to each other in the axial direction of the tape holding shaft, the sticking roller, and the winding roller. Good.

  In this case, maintenance work such as a tape holding shaft, a sticking roller and a winding roller is easy.

  In the present invention, the object may be a cylindrical core material or a web material wound around a cylindrical core material.

  According to the present invention, the outermost peripheral part of the release paper wound by the winding roller rolls on the surface of the object during the operation in which the application roller applies the back surface of the double-sided adhesive tape to the object. The release paper can be taken up without the need to drive the take-up roller independently. Furthermore, according to the present invention, the sticking roller and the winding roller each roll on the surface of the object during the operation of the sticking roller sticking the back surface of the double-sided adhesive tape to the object. The stability of the tape sticking operation can be improved.

It is a general | schematic see-through | perspective front view of the double-sided adhesive tape sticking apparatus of one embodiment of this invention. FIG. 2 is a schematic perspective view of the double-sided pressure-sensitive adhesive tape applying device of FIG. 1 (however, it is simplified). It is the arrow line view seen in the arrow III direction of FIG. It is a figure explaining an example of the sticking operation | movement of the double-sided adhesive tape sticking apparatus of FIG.

  Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a schematic perspective front view of a double-sided pressure-sensitive adhesive tape sticking device 1 according to an embodiment of the present invention, FIG. 2 is a schematic perspective view of the double-sided pressure-sensitive adhesive tape sticking device 1, and FIG. 3 is an arrow III in FIG. It is an arrow view seen in the direction. The double-sided pressure-sensitive adhesive tape sticking apparatus 1 according to this embodiment sticks a double-sided pressure-sensitive adhesive tape DS provided with a peelable release paper RP on the surface to a cylindrical paper tube 100 as an object and peels the release paper RP. It is a double-sided pressure-sensitive adhesive tape affixing device.

  As shown in FIGS. 1 and 2, the double-sided pressure-sensitive adhesive tape affixing device 1 includes a tape holding shaft 10 for holding a double-sided pressure-sensitive adhesive tape DS in a state where the release paper RP is wound on the front side, and a tape holding shaft 10. And a cover member 20 that rotatably holds around the axis C1.

  Furthermore, in the double-sided pressure-sensitive adhesive tape affixing device 1, the double-sided pressure-sensitive adhesive tape DS unwound from the state held by the tape holding shaft 10 is wound with its back surface as the outer peripheral side, and the back surface of the double-sided pressure-sensitive adhesive tape DS is used as the paper tube 100 From the portion of the double-sided adhesive tape DS that is attached to the paper tube 100 by the sticking roller 11 that is rotatably held around the axis C2 in the cover member 20 In order to wind up the extended release paper RP, it is attached to the paper tube 100 by the take-up roller 12 rotatably held around the axis C3 in the cover member 20 and the application roller 11 of the double-sided adhesive tape DS. Is held in the cover member 20 so as to be rotatable around its axis C4 so that the release paper RP extending from the portion to be guided is guided toward the take-up roller 12. It includes a through shaft 13.

  As shown in FIG. 1, the axis C1 of the tape holding shaft 10, the axis C2 of the sticking roller 11, the axis C3 of the take-up roller 12, and the axis C4 of the mediating shaft 13 are parallel to each other.

  In the double-sided pressure-sensitive adhesive tape sticking device 1, the operation of the sticking roller 11 sticking the back surface of the double-sided pressure-sensitive adhesive tape DS to the paper tube 100 is caused by the fact that the sticking roller 11 rolls on the surface of the paper tube 100. In the embodiment, the sticking roller 11 and the paper tube 100 are rolled continuously to each other. Further, the outermost peripheral portion of the release paper RP taken up by the take-up roller 12 is placed on the surface of the paper tube 100 during the operation in which the application roller 11 applies the back surface of the double-sided adhesive tape DS to the paper tube 100. In other words, in the present embodiment, the paper tubes 100 roll with each other. Hereafter, the component of the double-sided adhesive tape sticking apparatus 1 of this Embodiment is demonstrated in detail.

  The cover member 20 in the present embodiment is a box body whose lower side is opened. Specifically, as shown in FIGS. 1 and 2, the cover member 20 includes a pair of trapezoidal front and rear walls facing each other and a pair of rectangular left sides facing each other in an inclined state. It has a wall and a right side wall, and a ceiling wall. The tape holding shaft 10, the sticking roller 11, the take-up roller 12, and the mediation shaft 13 are arranged between the front wall and the rear wall of the cover member 20 so that each axis extends in the vertical direction with respect to them. Is arranged.

  As shown in FIG. 2, first bearing portions 21 are provided at portions corresponding to both end portions in the direction of the axis C <b> 1 of the tape holding shaft 10 in the substantially central regions of the front wall and the rear wall of the cover member 20. . The first bearing portion 21 is surrounded by a pair of left and right side portions that extend in the vertical direction and face each other, a bottom portion that connects the lower ends of the pair of left and right side portions, and the pair of left and right side portions and the bottom portion. And a bearing main body (not shown) provided in a U-shaped region that opens to the upper side. Both ends of the tape holding shaft 10 are rotatably supported by the bearing main body.

  In order to support the upper ends of the pair of left and right side portions of the first bearing portion 21 on the front wall or the rear wall of the cover member 20, a first leaf spring 22 formed in a belt shape which is an elastic member capable of elastic deformation is provided. ing. The first leaf spring 22 absorbs the vibration of the tape holding shaft 10 by elastically deforming when the tape holding shaft 10 vibrates while preventing the tape holding shaft 10 from falling off from the first bearing portion 21. It has become.

  The tape holding shaft 10 can hold the double-sided pressure-sensitive adhesive tape DS in a state where the release paper RP is wound so as to be on the surface side at the center in the direction of the axis C1. In the present embodiment, the wound double-sided pressure-sensitive adhesive tape DS is formed in an annular shape having a through hole at the center. And the tape holding shaft 10 can hold | maintain the double-sided adhesive tape DS by inserting the tape holding shaft 10 in the said through-hole of the double-sided adhesive tape DS. It is preferable that the double-sided adhesive tape DS in the holding state does not rotate relative to the tape holding shaft 10.

  As shown in FIG. 2, the sticking roller 11 integrally includes shaft portions 11 </ b> A protruding on both sides along the direction of the axis C <b> 2, and the left and lower left sides of the front wall and the rear wall of the cover member 20. A second bearing portion 23 is provided in a region corresponding to both end portions of the shaft portion 11A of the sticking roller 11 in the region. Similarly to the first bearing portion 21, the second bearing portion 23 extends in the vertical direction and faces a pair of left and right side portions, a bottom portion connecting the lower ends of the pair of left and right side portions, and the pair of left and right sides. And a bearing main body (not shown) provided in a U-shaped region opened to the upper side surrounded by the left and right side portions and the bottom portion. Both end portions of the shaft portion 11A of the sticking roller 11 are rotatably supported by the bearing body portion.

  In order to support the upper ends of the pair of left and right side portions of the second bearing portion 23 on the front wall or the rear wall of the cover member 20, a second leaf spring 24 formed in a belt shape that is an elastic member that is elastically deformable is provided. ing. The second leaf spring 24 absorbs the vibration of the sticking roller 11 by elastically deforming when the sticking roller 11 vibrates while preventing the shaft portion 11A of the sticking roller 11 from dropping from the second bearing portion 23. It is like that.

  The sticking roller 11 is configured such that the double-sided adhesive tape DS unwound from the state held by the tape holding shaft 10 is wound with its back surface as the outer peripheral side at the center in the direction of the axis C2. The double-sided pressure-sensitive adhesive tape DS can be attached to the paper tube 100 by contacting the paper tube 100 via the wound double-sided pressure-sensitive adhesive tape DS. In addition, the sticking roller 11 has a release paper RP extending (peeled) from a portion of the double-sided adhesive tape DS attached to the paper tube 100 by the sticking roller 11 disposed above the sticking roller 11. The intermediate shaft 13 is further wound toward the intermediate shaft 13 so as to be guided by the intermediate shaft 13.

  As shown in FIG. 2, the 4th bearing part 27 is provided in the site | part corresponding to the both ends of the mediation shaft 13 in the area | region above each center area | region of the front wall of the cover member 20, and a rear surface wall. . As with the first bearing portion 21 and the second bearing portion 23, the fourth bearing portion 27 connects a pair of left and right side portions that extend in the vertical direction and face each other, and a lower end of the pair of left and right side portions. And a bearing main body (not shown) provided in a U-shaped region that opens to the upper side surrounded by the pair of left and right sides and the bottom. Both end portions of the intermediate shaft 13 are rotatably supported by the bearing body portion.

  In order to support the upper ends of the pair of left and right side portions of the intermediate shaft 13 on the front wall or the rear wall of the cover member 20, a fourth leaf spring 28 formed in a belt shape, which is an elastic member capable of elastic deformation, is provided. . The fourth leaf spring 28 absorbs the vibration of the mediation shaft 13 by elastically deforming when the mediation shaft 13 vibrates while preventing the mediation shaft 13 from falling off from the fourth bearing portion 27. Yes.

  The intermediary shaft 13 is arranged so that the release paper RP extending (peeled) from the sticking roller 11 is guided by the take-up roller 12 disposed below the intermediary shaft 13. It is wound toward the 12 side.

  As shown in FIG. 2, the winding roller 12 integrally has a shaft portion 12A that protrudes on both sides along the direction of the axis C3, and is located on the lower right side of the front wall and the rear wall of the cover member 20. In the region, third bearing portions 25 are provided at portions corresponding to both end portions of the shaft portion 12A of the winding roller 12. Similarly to the first bearing portion 21, the second bearing portion 23, and the fourth bearing portion 27, the third bearing portion 25 includes a pair of left and right side portions that extend in the vertical direction and face each other, and the pair of left and right sides. And a bearing main body (not shown) provided in a U-shaped region that opens to the upper side surrounded by the pair of left and right side portions and the bottom portion. . The shaft portion 12A of the winding roller 12 is rotatably supported by the bearing body portion.

  In order to support the upper ends of the pair of left and right side portions of the third bearing portion 25 on the front wall or the rear wall of the cover member 20, a third leaf spring 26 formed in a belt shape that is an elastic member that can be elastically deformed is provided. ing. The third leaf spring 26 is prevented from falling off from the third bearing portion 25 of the take-up roller 12 and elastically deforms when the take-up roller 12 vibrates so as to absorb the vibration of the take-up roller 12. It has become.

  As shown in FIG. 2, in the present embodiment, the release paper RP that extends from the part of the double-sided adhesive tape DS that is attached to the paper tube 100 to the outer peripheral surface of the take-up roller 12 by the application roller 11. A fixing hole 12 </ b> B is provided for fixing the distal end portion (which may be part of the distal end side). When the take-up roller 12 starts to wind the release paper RP, the leading end of the release paper RP is inserted into the fixing hole 12B and fixed. 1 and 2 show a state in which the leading end portion of the release paper RP is inserted and fixed in the fixing hole 12B.

  As shown in FIGS. 1 and 2, the cover member 20 is formed to have a size that covers the tape holding shaft 10, the sticking roller 11, the take-up roller 12, and the mediation shaft 13 on the upper side, front, rear, left and right. . And the lower part of the sticking roller 11 and the winding roller 12 is exposed from the lower end edge of the cover member 20. Thereby, the lower part of the said sticking roller 11 and the winding roller 12 can contact | abut to the paper tube 100, respectively.

  In addition, a cutter unit 40 for cutting the double-sided adhesive tape DS attached to the paper tube 100 is provided on the lower side (at the lower end edge of the left side wall) of the lower end edge of the cover member 20 facing the application roller 11. It is provided with the cutting edge facing the paper tube 100 side. Further, the cover member 20 of the present embodiment includes a main body portion 20A and a lid portion 20B that are detachable by moving relative to each other in the axial direction of the tape holding shaft 10, the sticking roller 11, the winding roller 12, and the mediating shaft 13. And have. An attachment / detachment line L1 between the main body 20A and the lid 20B is set on a surface orthogonal to the axial direction of the tape holding shaft 10, the sticking roller 11, the winding roller 12, and the mediating shaft 13. A handle 41 that can be gripped by an operator is provided on the ceiling wall of the cover member 20.

  Further, as shown in FIGS. 2 and 3, in the present embodiment, the winding roller 12 is allowed to rotate in the direction of winding the release paper RP between the cover member 20 and the winding roller 12. On the other hand, a detent mechanism 50 that restricts rotation in the opposite direction is provided. The detent mechanism 50 of the present embodiment spans between one end surface of the winding roller 12 in the direction of the axis C3 and the outer peripheral surface of the shaft portion 12A protruding from the one end surface, and is equally spaced in the circumferential direction of the axis C3. The plurality of locked portions 51 formed with a gap between them and the corresponding inner wall surface of the cover member 20 extend to the locked portion 51 side, and the winding roller 12 winds the release paper RP as it approaches the locked portion 51. The anti-rotation claw 52 is made of an elastic material that is curved in the direction to be taken and whose tip is opposed to the locked portion 51 in the circumferential direction of the axis C3.

Next, the operation of the double-sided pressure-sensitive adhesive tape affixing device 1 according to this embodiment will be described.
First, the double-sided pressure-sensitive adhesive tape sticking apparatus 1 is prepared in a state where the sticking roller 11 can continuously stick the double-sided pressure-sensitive adhesive tape DS to the paper tube 100. That is, first, the double-sided pressure-sensitive adhesive tape DS in a state where the release paper RP is wound on the surface side is held on the tape holding shaft 10. Next, the release paper RP is unwound from the double-sided pressure-sensitive adhesive tape DS, and while the release paper RP is peeled off from the front end portion of the double-sided pressure-sensitive adhesive tape DS, the front end portion of the double-sided pressure-sensitive adhesive tape DS is cut. Only the portion is adjusted so as to extend a predetermined length from the new tip after cutting the double-sided adhesive tape DS. And the front-end | tip part of the said release paper RP is wound around the sticking roller 11, wound around the mediation shaft 13, and is fixed to the fixing hole 12B of the winding roller 12. Then, the winding roller 11 is wound so that the new tip portion (starting point of the adhesive back surface) of the double-sided adhesive tape DS is located at a position where the sticking roller 11 is expected to contact the paper tube 100, that is, below the sticking roller 11. Preparation is completed by adjusting the rotational position of the take-up roller 12 and the like.

  Next, an operation in which the sticking roller 11 continuously sticks the double-sided adhesive tape DS to the paper tube 100 will be described. FIG. 4 is a diagram for explaining an example of a sticking operation of the double-sided adhesive tape sticking apparatus 1. As shown in FIGS. 1 and 4, in this embodiment, an operator holds the handle 41 and operates the cover member 20, and the lower part of the sticking roller 11 is attached to the paper tube 100 via the double-sided adhesive tape DS. In addition, the lower portion of the winding roller 12 is also in contact with the paper tube 100 via the release paper RP (which may not be through the release paper RP in the initial state). Here, as shown in FIG. 4, the cover member 20 is in a position in which the rotation direction (radial direction) of the sticking roller 11 and the take-up roller 12 is inclined by an angle θ with respect to the radial direction of the paper tube 100. Supported by.

  Then, by rotating the paper tube 100 from this state, the sticking roller 11 and the paper tube 100 roll together, and the outermost peripheral portion of the release paper RP taken up by the take-up roller 12 and the paper tube 100 also roll together. Fit. Along with this, the double-sided adhesive tape DS is continuously stuck to the paper tube 100 by the sticking roller 11. Further, the release paper RP is continuously wound by the winding roller 12. As shown in FIG. 4, when the rotation direction (radial direction) of the sticking roller 11 and the take-up roller 12 is inclined with respect to the radial direction of the paper tube 100, the double-sided adhesive tape DS spirals to the paper tube 100. Affixed in a shape.

  As described above, according to the double-sided pressure-sensitive adhesive tape sticking device 1 according to the present embodiment, the winding roller 12 winds when the sticking roller 11 sticks the back surface of the double-sided pressure-sensitive adhesive tape DS to the paper tube 100. The outermost peripheral portion of the release paper RP to be taken rolls on the surface of the paper tube 100, so that the release paper RP can be taken up without having to drive the take-up roller 12 independently. Furthermore, when the sticking roller 11 performs the operation of sticking the back surface of the double-sided adhesive tape DS to the paper tube 100, the sticking roller 11 and the take-up roller 12 each roll on the surface of the paper tube 100. The stability of the tape DS application operation can be improved.

  In the present embodiment, the release paper RP extending from the portion of the double-sided adhesive tape DS that is attached to the paper tube 100 by the attaching roller 11 is provided on the tape holding shaft 10 side with respect to the portion. It is wound around the winding roller 12 via the intermediate shaft 13. Thereby, the tape holding shaft 10, the sticking roller 11, and the winding roller 12 can be efficiently arranged in a small space in the cover member 20. Specifically, in the present embodiment, the mediation shaft 13 is disposed above the tape holding shaft 10, the sticking roller 11 is disposed on the lower left side of the tape holding shaft 10, and the lower right side of the tape holding shaft 10. Since the take-up roller 12 is arranged in the above, these are collected in a small space.

  In the present embodiment, the tape holding shaft 10, the sticking roller 11, the mediation shaft 13, and the take-up roller 12 are all provided through plate springs 22, 24, 26, and 28 that are elastic members for vibration absorption. It is supported by the cover member 20. Thereby, the stability of the sticking operation of the double-sided pressure-sensitive adhesive tape DS can be improved against vibration that can occur during the operation in which the sticking roller 11 sticks the back surface of the double-sided pressure-sensitive adhesive tape DS to the paper tube 100.

  Further, in the present embodiment, since the cover member 20 is provided with the cutter unit 40 for cutting the double-sided adhesive tape DS affixed to the paper tube 100, the double-sided adhesive tape DS affixed to the paper tube 100 is provided. Can be easily cut at any position.

  Further, in the present embodiment, the cover member 20 has a main body portion 20A and a lid portion 20B that can be attached and detached by moving relative to each other in the axial direction of the tape holding shaft 10, the sticking roller 11, and the winding roller 12. Therefore, maintenance work of the tape holding shaft 10, the sticking roller 11, the winding roller 12, and the like is easy.

  In the present embodiment, a detent mechanism 50 is provided. As a result, when the take-up roller 12 rotates in the direction of winding the release paper RP, the detent pawl 52 of the detent mechanism 50 bends toward the cover member 20, so that the locked portion 51 is detented. Therefore, the rotation of the winding roller 12 in the direction of winding the release paper RP is not hindered. On the other hand, when the take-up roller 12 rotates in the direction opposite to the direction in which the release paper RP is taken up, the locked portion 51 of the anti-rotation mechanism 50 comes into contact with the anti-rotation claw 52, so that the rotation in this direction is restricted. Is done. Thereby, loosening of the release paper RP is prevented.

  In the embodiment described above, the cover member 20 is manually operated via the handle 41. However, the cover member 20 is positioned on the paper tube 100 where the application roller 11 applies the back surface of the double-sided adhesive tape DS to the paper tube 100, and the position where the back surface of the double-sided adhesive tape DS is separated from the paper tube 100. And may be supported so as to be relatively movable between. In this case, by moving the cover member 20 by such a support mechanism, the sticking roller 12 can be easily moved toward and away from the paper tube 100.

  Further, the cover member 20 may be supported so as to be relatively movable also in the axial direction of the paper tube 100. In this case, the double-sided adhesive tape DS can be easily attached in the axial direction of the paper tube 100 by moving the cover member 20 by such a support mechanism.

  When the cover member 20 is supported so as to be relatively movable in the axial direction of the paper tube 100, when the sticking roller 11 sticks the back surface of the double-sided adhesive tape DS to the paper tube 100, The speed at which the paper tube 100 rolls and the speed at which the cover member 20 moves in the axial direction of the paper tube 100 may be related to each other. For example, by setting the speed at which the sticking roller 11 and the paper tube 100 roll to each other and the speed at which the cover member 20 moves in the axial direction of the paper tube 100 to a predetermined value (ratio), the paper tube 100 The double-sided pressure-sensitive adhesive tape DS can be easily attached in a spiral shape. In this case, it is preferable that the cover member 20 is brought into contact with the paper tube 100 in an inclined posture inclined by an angle θ corresponding to the predetermined value (ratio) (see FIG. 4).

  In the embodiment described above, the cylindrical paper tube 100 is an object, but a plastic core made of a plastic material may be the object. The object need not be a cylindrical core material like the paper tube 100, and may be a web material wound around the cylindrical core material. Further, it may be an object that is not cylindrical and has a flat surface, for example.

DESCRIPTION OF SYMBOLS 1 Double-sided adhesive tape sticking apparatus 10 Tape holding shaft 11 Sticking roller 11A Shaft part 12 Winding roller 12A Shaft part 12B Fixing hole 13 Intermediary shaft 20 Cover member 20A Main body part 20B Cover part 22 First leaf spring 24 Second leaf spring 26 First 3 leaf springs 28 4th leaf spring 40 Cutter portion 50 Rotation stop mechanism 51 Locked portion 52 Rotation stop claw 100 Paper tube DS Double-sided adhesive tape RP Release paper

Claims (10)

A double-sided pressure-sensitive adhesive tape affixing device that affixes a double-sided pressure-sensitive adhesive tape provided with a releasable paper on the surface to the object and peels and releases the release paper,
A tape holding shaft for holding a double-sided adhesive tape in a state where the release paper is wound on the front side; and
A cover member for rotatably holding the tape holding shaft around its axis;
In the cover member, the double-sided pressure-sensitive adhesive tape unwound from the state held by the tape holding shaft is wound with its back surface as the outer peripheral side, and the back surface of the double-sided pressure-sensitive adhesive tape can be attached to the object. A sticking roller that is rotatably held around its axis,
A take-up roller held in the cover member so as to be rotatable about its axis so as to take up release paper extending from a portion of the double-sided pressure-sensitive adhesive tape attached to the object by the sticking roller; ,
With
The axis of the tape holding shaft, the axis of the sticking roller, and the axis of the winding roller are parallel to each other,
The operation in which the sticking roller sticks the back surface of the double-sided pressure-sensitive adhesive tape to the object is continuously performed by rolling the sticking roller on the surface of the object,
The outermost peripheral portion of the release paper taken up by the take-up roller rolls on the surface of the object when the application roller applies the back surface of the double-sided adhesive tape to the object. A double-sided pressure-sensitive adhesive tape affixing device. The double-sided pressure-sensitive adhesive tape sticking according to claim 1, wherein a leading end portion of a release paper extending from a portion stuck to the object by the sticking roller is fixed to an outer peripheral surface of the winding roller. apparatus. The release paper extending from the part pasted on the object by the sticking roller is wound around the winding roller via a mediation shaft provided on the tape holding shaft side with respect to the part. The double-sided pressure-sensitive adhesive tape affixing device according to claim 1 or 2, wherein The tape holding shaft, the sticking roller, the mediation shaft, and the take-up roller are all supported by the cover member via an elastic member for absorbing vibration. Double-sided adhesive tape application device. The cover member, with respect to the object, the position where the sticking roller sticks the back surface of the double-sided adhesive tape to the object, and the position where the back surface of the double-sided adhesive tape is separated from the object, The double-sided pressure-sensitive adhesive tape affixing device according to any one of claims 1 to 4, wherein the device is supported so as to be relatively movable between the two. The object is a cylindrical object supported so as to be rotatable about its axis,
The double-sided pressure-sensitive adhesive tape affixing device according to claim 1, wherein the cover member is supported so as to be relatively movable in the axial direction of the cylindrical object. When the sticking roller sticks the back surface of the double-sided pressure-sensitive adhesive tape to the cylindrical object, a speed at which the sticking roller and the cylindrical object roll together, and the cover member has the cylindrical shape. The double-sided pressure-sensitive adhesive tape affixing device according to claim 6, wherein the moving speed of the object in the axial direction is associated with each other. The double-sided pressure-sensitive adhesive tape applying apparatus according to any one of claims 1 to 7, wherein the cover member is provided with a cutter portion for cutting the double-sided pressure-sensitive adhesive tape attached to the object. The said cover member has a main-body part and a cover part which can be attached or detached by moving with respect to mutually in the axial direction of the said tape holding shaft, the said sticking roller, and the said winding roller, It is characterized by the above-mentioned. The double-sided adhesive tape affixing device according to any one of 1 to 8. The double-sided pressure-sensitive adhesive tape applying apparatus according to any one of claims 1 to 9, wherein the object is a cylindrical core material or a web material wound around a cylindrical core material. .

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