Adhesive tape tearing device

Abstract

The utility model discloses a tearing device for adhesive tape, which belongs to the technical field of adhesive tape and comprises a shell, an opening is arranged on one side of the shell, a button is slidably connected to the top end of the shell, a cover plate is slidably connected to one side of the shell, a shifting piece is fixedly connected to one side of the cover plate, and a placing rolling shaft is slidably connected to the middle of the cover plate in a penetrating manner. The side, away from the cover plate, of the containing rolling shaft is fixedly connected with the shell. A user moves along a surface to be adhered, a rotating roller drives a first rotating shaft to rotate, a first gear in the middle of the first rotating shaft rotates to drive a second gear and a third gear to rotate, the third gear drives a cylinder to rotate, the cylinder drives a grabbing plate to rotate, and the grabbing plate drives grabbing teeth to grab an adhesive tape in a guide groove. The adhesive tape cannot move during cutting, the cutting accuracy is guaranteed, meanwhile, the cutting length is determined, and waste of the adhesive tape is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of adhesive tapes, in particular to a tearing device for adhesive tapes. Background Art

[0002] In daily life, we need to use tape for pasting, packaging, sealing, etc. The tape device is generally simple in design, but in actual use, it often takes a lot of time to find the head of the tape, especially for transparent tape, where it is difficult to see the breaking point, which brings a lot of inconvenience to use.

[0003] There are devices in the prior art that can make the ends of tapes easy to tear off. However, after the tape is used up, the end needs to be stuck to the device that makes it easy to tear off. This can easily contaminate the stuck tape end and make it unusable. At the same time, most existing tape tearing devices visually judge the length of the tape and tear it off, which can easily cause waste of tape. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the end of the existing adhesive tape tearing device is stuck to the device that is easy to tear off and the length of the adhesive tape cannot be accurately judged, resulting in great waste.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: a tape tearing device, including a shell, an opening is provided on one side of the shell, a button is slidably connected to the top of the shell, a cover plate is slidably connected to one side of the shell, a paddle is fixedly connected to one side of the cover plate, a placement roller is slidably connected through the middle of the cover plate, and the placement roller is fixedly connected to the shell away from the cover plate.

[0006] The utility model is further configured as follows: an inner liner block is fixedly connected to the inside of the shell, a material guide groove is provided in the middle of the inner liner block, the material guide groove is connected through the opening, a plurality of first guide wheels are rotatably connected to the side of the material guide groove close to the opening, a cutter is installed between the first guide wheels, and a second guide wheel is rotatably connected to one end of the material guide groove close to the roller.

[0007] Through the above technical solution, the first guide wheel and the second guide wheel guide the tape entering the guide trough and prevent the tape from adhering to the inner wall of the guide trough, and finally extend out of the opening to facilitate users to take the tape.

[0008] The utility model is further configured as follows: a cushion block is provided at the bottom end of the cutter, the bottom end of the cushion block is fixedly connected to the liner block, the top end of the cutter is fixedly connected to a fixed block, the fixed block is slidably connected to the liner block, the top end of the fixed block is fixedly connected to a plurality of connectors, the top end of the connector is slidably connected to the shell, the through end of the connector is fixedly connected to the button, the top end of the fixed block is fixedly connected to a spring, and the top end of the spring is fixedly connected to the liner block.

[0009] Through the above technical solution, the button is pressed to push the cutter and the pad together, and the middle part of the tape is initially cut. After that, the button is released, and the cutter moves upward under the push of the spring, so that a cut is formed in the middle of the tape. Then the user pulls the tape to tear the tape. At the same time, the setting of the spring ensures the stable movement of the cutter, avoids collision between the cutter and the pad, and improves the service life of the equipment.

[0010] The utility model is further configured as follows: a first rotating shaft is rotatably connected to the middle of the inner liner block, rollers are fixedly connected on both sides of the first rotating shaft, the bottom end of the roller is rotatably connected to the surface of the shell, a first gear is arranged in the middle of the first rotating shaft, a second gear is meshingly connected to the top end of the first gear, and the second gear is rotatably connected to the inner liner block on both sides.

[0011] The utility model is further configured such that the top end of the second gear is meshingly connected to the third gear, both sides of the third gear are fixedly connected to a cylinder, the cylindrical surface of the cylinder is fixedly connected to a grab plate, the grab plates are arranged in a circular array, one end of the grab plate away from the cylinder is rotatably connected to the inner liner block, the through end of the grab plate is located in the middle of the material guide groove, and a plurality of grab teeth are fixedly connected to the through end of the grab plate.

[0012] Through the above technical solution, the user moves along the surface to be bonded, the rotating roller drives the first rotating shaft to rotate, the rotation of the first gear in the middle of the first rotating shaft drives the second gear and the third gear to rotate, the third gear drives the cylinder to rotate, the cylinder drives the grab plate to rotate, and the grab plate drives the grab teeth to grab the tape in the guide trough, so that the tape will not be displaced during cutting, thereby ensuring the accuracy of cutting. When the grab plate grabs the tape, the setting of the grab teeth can increase the friction between the grab plate and the tape, making the grabbing more firm. At the same time, the grab plates are arranged in a circular array, which can achieve uniform grabbing of the tape and avoid uneven grabbing, thereby realizing the auxiliary function of extending the tape, so that the cutting length can be better determined when the tape is extended, thereby improving the operating experience of the user.

[0013] The utility model is further configured such that the outer surface of the placement roller is rotatably connected to a tape roll, the middle part of the placement roller is penetrated by a second rotating shaft rotatably connected, the through end of the second rotating shaft is fixedly connected to a rotating plate, one end of the second rotating shaft close to the rotating plate is fixedly connected to a limiting plate, and the middle part of the second rotating shaft is fixedly connected to a turntable.

[0014] Through the above technical solution, the cover is removed by the pick to open the inside of the mechanism, and then the film tape is placed on the placement roller and the cover is closed. At this time, one end of the film tape can extend through the material guide slot, and the user can use it by pulling the tape.

[0015] The new type is further configured as follows: a plurality of slide grooves are provided on the surface of the turntable, the slide grooves are of C-shaped structure, and the plurality of slide grooves are arranged in a circular array; a guide column is slidably connected through the inner side of the slide groove, and top blocks are fixedly connected at both ends of the guide column; the top block is slidably connected with the placement roller, and the end of the top block away from the placement roller rotates and fits with the inner surface of the tape roll.

[0016] Through the above technical solution, when placing the film tape, the film tape is put on the outer surface of the placement roller, and the rotating plate is rotated. The rotating plate drives the second rotating shaft to rotate, and the second rotating shaft drives the turntable to rotate. The sliding groove on the surface of the turntable pushes the top block and fits with the inner side of the tape roll, thereby fixing the film tape.

[0017] The beneficial effects of the utility model are as follows:

[0018] 1. The utility model is provided with a retractable placement roller. When the user places the film tape on the placement roller, the user then rotates the rotating plate, which drives the second rotating shaft to rotate, and the second rotating shaft drives the turntable to rotate. The slide groove on the surface of the turntable pushes the top block and fits with the inner side of the tape roll to fix the film tape. Therefore, tape rolls of different sizes can be fixed, which improves the applicability of the utility model, reduces the trouble of replacing the tape roll, and improves work efficiency.

[0019] 2. The utility model arranges a roller at the bottom end of the device, and the rotating roller drives the first rotating shaft to rotate, and the rotation of the first gear in the middle of the first rotating shaft drives the second gear and the third gear to rotate, and the third gear drives the cylinder to rotate, and the cylinder drives the grab plate to rotate, and the grab plate drives the grab teeth to grab the tape in the guide trough, which not only prevents the tape from being displaced during cutting and ensures the accuracy of cutting, but also when the user moves the device along the surface to be bonded, the grab plate automatically grabs the tape and extends out of the opening, and the user can determine the cutting length based on this, thereby greatly reducing the waste of tape. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 4 It is a cross-sectional schematic diagram of the tape cutting structure of the utility model;

[0024] Figure 5 It is a three-dimensional schematic diagram of the tape grabbing mechanism of the utility model;

[0025] Figure 6 It is a three-dimensional schematic diagram of the roller structure for placing the tape roll of the utility model.

[0026] In the figure: 1. shell; 2. button; 3. opening; 4. cover plate; 5. paddle; 6. roller; 7. liner block; 8. first rotating shaft; 9. guide slot; 10. rotating plate; 11. tape roll; 12. roller; 13. first guide wheel; 14. cutter; 15. grab plate; 16. second guide wheel; 17. connector; 18. fixing block; 19. cushion block; 20. spring; 21. first gear; 22. second gear; 23. third gear; 24. grab tooth; 25. cylinder; 26. second rotating shaft; 27. limit plate; 28. turntable; 29. ​​top block; 30. guide column; 31. slide slot. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0028] See also Figures 1 to 6 A tape tearing device comprises a shell 1, an opening 3 is provided on one side of the shell 1, a button 2 is slidably connected to the top of the shell 1, a cover plate 4 is slidably connected to one side of the shell 1, a paddle 5 is fixedly connected to one side of the cover plate 4, a placement roller 6 is slidably connected through the middle of the cover plate 4, and the placement roller 6 is fixedly connected to the shell 1 away from the side of the cover plate 4.

[0029] An inner liner block 7 is fixedly connected to the shell 1, and a material guide groove 9 is provided in the middle of the inner liner block 7, which is connected through the opening 3. The material guide groove 9 is rotatably connected to a plurality of first guide wheels 13 on the side of the material guide groove 9 close to the opening 3, and a cutter 14 is installed between the first guide wheels 13. The material guide groove 9 is rotatably connected to a second guide wheel 16 at one end close to the roller 6. A cushion block 19 is provided at the bottom end of the cutter 14, and the bottom end of the cushion block 19 is fixedly connected to the inner liner block 7. A fixed block 18 is fixedly connected to the top of the cutter 14, and the fixed block 18 is connected to the inner liner block 7 through sliding connection. A plurality of connectors 17 are fixedly connected to the top of the fixed block 18, and the top of the connector 17 is connected to the shell 1 through sliding connection. The through end of the connector 17 is fixedly connected to the button 2, and a spring 20 is fixedly connected to the top of the fixed block 18, and the top of the spring 20 is fixedly connected to the inner liner block 7. Pressing the button 2 pushes the cutter 14 and the cushion block 19 to fit together, and the tape in the middle is preliminarily cut.

[0030] A first rotating shaft 8 is rotatably connected to the middle part of the liner block 7, and rollers 12 are fixedly connected on both sides of the first rotating shaft 8. The bottom end of the roller 12 is rotatably connected to the surface of the shell 1. A first gear 21 is arranged in the middle part of the first rotating shaft 8. The top of the first gear 21 is meshingly connected to the second gear 22 for transmission. Both sides of the second gear 22 are rotatably connected to the liner block 7, and the top of the second gear 22 is meshingly connected to the third gear 23 for transmission. A cylinder 25 is fixedly connected to both sides of the third gear 23. A grab plate 15 is fixedly connected to the cylindrical surface of the cylinder 25. The grab plates 15 are arranged in a circular array. The end of the grab plate 15 away from the cylinder 25 is rotatably connected to the liner block 7. The through end of the grab plate 15 is located in the middle of the guide groove 9. A plurality of grab teeth 24 are fixedly connected to the through end of the grab plate 15. The arrangement of the grab teeth 24 can increase the friction between the grab plate 15 and the tape, making the gripping more secure.

[0031] The outer surface of the placement roller 6 is rotatably connected to the tape roll 11, the middle of the placement roller 6 is penetrated and rotatably connected to the second rotation shaft 26, the penetration end of the second rotation shaft 26 is fixedly connected to the rotating plate 10, the end of the second rotation shaft 26 close to the rotating plate 10 is fixedly connected to the limiting plate 27, the middle of the second rotation shaft 26 is fixedly connected to the rotating disk 28, and the surface of the rotating disk 28 is provided with a plurality of slide grooves 31, the slide grooves 31 are of C-shaped structure, and the plurality of slide grooves 31 are arranged in a circular array, and the inner side of the slide grooves 31 A guide column 30 is slidably connected therethrough, and top blocks 29 are fixedly connected at both ends of the guide column 30. The top block 29 is slidably connected therethrough with the placement roller 6. The end of the top block 29 away from the placement roller 6 is rotatably fitted with the inner surface of the tape roll 11. The rotating plate 10 is rotated, and the rotating plate 10 drives the second rotating shaft 26 to rotate. The second rotating shaft 26 drives the turntable 28 to rotate. The slide groove 31 on the surface of the turntable 28 pushes the top block 29 and fits with the inner side of the tape roll 11, thereby fixing the film tape.

[0032] When the utility model is in use, the cover plate 4 is separated from the device by the paddle 5, and the film tape is placed on the placement roller 6 after the inside of the mechanism is opened, and then the rotating plate 10 is rotated, and the rotating plate 10 drives the second rotating shaft 26 to rotate, and the second rotating shaft 26 drives the turntable 28 to rotate, and the slide groove 31 on the surface of the turntable 28 pushes the top block 29 and fits with the inner side of the tape roll 11, so as to fix the film tape, and then the cover plate 4 is covered, and at this time one end of the film tape can extend through the guide groove 9, and the user moves along the surface to be adhered, and the rotating roller 12 drives the first rotating shaft 8 to rotate, and the first gear 21 in the middle of the first rotating shaft 8 rotates to drive the second gear 22 and the third gear 23 to rotate, and the third gear 23 drives the cylinder 25 to rotate, and the cylinder 25 drives the grab plate 15 to rotate, and the grab plate 15 drives the grab teeth 24 grabs the tape in the guide trough 9, so that the tape will not be displaced during cutting, thereby ensuring the accuracy of cutting. When the grab plate 15 grabs the tape, the setting of the grab teeth 24 can increase the friction between the grab plate 15 and the tape, making the grabbing more secure. At the same time, the grab plates 15 are arranged in a circular array, which can achieve uniform grabbing of the tape and avoid uneven grabbing, thereby realizing the auxiliary function of extending the tape, so that the cutting length of the tape can be better determined when it is extended. At this time, pressing the button 2 pushes the cutter 14 to fit against the pad 19, and a preliminary cut is made to the middle of the tape. Then the button 2 is released, and the cutter 14 moves upward under the push of the spring 20, so that an incision is formed in the middle of the tape. Then the user pulls the tape to achieve the function of tearing the tape.

[0033] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A tearing device for adhesive tape, comprising a housing (1), characterized in that: An opening (3) is provided on one side of the shell (1); a button (2) is slidably connected to the top of the shell (1); a cover plate (4) is slidably connected to one side of the shell (1); a paddle (5) is fixedly connected to one side of the cover plate (4); a placement roller (6) is slidably connected through the middle of the cover plate (4); and the placement roller (6) is fixedly connected to the shell (1) at a side away from the cover plate (4).

2. The adhesive tape tearing device according to claim 1, characterized in that: An inner liner block (7) is fixedly connected to the shell (1), a material guide groove (9) is arranged in the middle of the inner liner block (7), the material guide groove (9) is connected through the opening (3), a plurality of first guide wheels (13) are rotatably connected to the material guide groove (9) on the side close to the opening (3), a cutter (14) is installed between the first guide wheels (13), and a second guide wheel (16) is rotatably connected to the end of the material guide groove (9) close to the roller (6).

3. The adhesive tape tearing device according to claim 2, characterized in that: A cushion block (19) is provided at the bottom end of the cutter (14), and the bottom end of the cushion block (19) is fixedly connected to the liner block (7). A fixed block (18) is fixedly connected to the top end of the cutter (14), and the fixed block (18) is slidably connected to the liner block (7). A plurality of connectors (17) are fixedly connected to the top end of the fixed block (18), and the top end of the connector (17) is slidably connected to the housing (1). The through end of the connector (17) is fixedly connected to the button (2), and a spring (20) is fixedly connected to the top end of the fixed block (18), and the top end of the spring (20) is fixedly connected to the liner block (7).

4. The adhesive tape tearing device according to claim 2, characterized in that: The middle of the inner liner block (7) is rotatably connected to a first rotating shaft (8), and rollers (12) are fixedly connected to both sides of the first rotating shaft (8). The bottom end of the roller (12) is rotatably connected to the surface of the shell (1). A first gear (21) is arranged in the middle of the first rotating shaft (8), and the top end of the first gear (21) is meshingly connected to a second gear (22), and both sides of the second gear (22) are rotatably connected to the inner liner block (7).

5. The adhesive tape tearing device according to claim 4, characterized in that: The top end of the second gear (22) is meshed and transmission-connected with a third gear (23), and cylinders (25) are fixedly connected on both sides of the third gear (23). A grab plate (15) is fixedly connected to the cylindrical surface of the cylinder (25), and the grab plates (15) are arranged in a circular array. One end of the grab plate (15) away from the cylinder (25) is connected to the inner liner block (7) through and in rotation, and the through end of the grab plate (15) is located in the middle of the material guide groove (9), and a plurality of grab teeth (24) are fixedly connected to the through end of the grab plate (15).

6. The adhesive tape tearing device according to claim 1, characterized in that: The outer surface of the placement roller (6) is rotatably connected to a tape roll (11), the middle of the placement roller (6) is penetrated by a second rotating shaft (26) rotatably connected, the through end of the second rotating shaft (26) is fixedly connected to a rotating plate (10), one end of the second rotating shaft (26) close to the rotating plate (10) is fixedly connected to a limiting plate (27), and the middle of the second rotating shaft (26) is fixedly connected to a rotating disk (28).

7. The adhesive tape tearing device according to claim 6, characterized in that: The surface of the turntable (28) is provided with a plurality of slide grooves (31), the slide grooves (31) are of C-shaped structure, and the plurality of slide grooves (31) are arranged in a circular array, the inner side of the slide groove (31) is penetrated by a guide column (30) for sliding connection, and both ends of the guide column (30) are fixedly connected with a top block (29), the top block (29) is penetrated by a placement roller (6) for sliding connection, and the end of the top block (29) away from the placement roller (6) is rotationally fitted with the inner surface of the tape roll (11).

Images