Winding drum type transparent adhesive tape cutting device
By using conveying positioning mechanism, reset assembly and guide assembly in the transparent tape cutting device, the problems of tape pull-out length and position control are solved, and more efficient tape use and better molding quality are achieved.
Patent Information
- Application Number
- CN202421056983.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The existing transparent tape cutting device cannot effectively control the pull-out length and position of the tape, resulting in waste and poor molding quality.
A roll-type transparent tape cutting device is designed, using a conveying positioning mechanism, reset assembly and guide assembly. Through sleeves, turntables, drive gears, limit stops and guide sliders, the pull-out length of the tape is controlled and Position to ensure stability and accuracy of cutting.
Effectively control the pull-out length of the tape, reduce waste, improve cutting stability and molding quality, and ensure continuous use and efficient performance of the device.
Smart Images
Figure CN222249449U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of adhesive tapes, in particular to a roll-type transparent adhesive tape cutting device. Background Art
[0002] Transparent tape is an indispensable consumable in daily life. In order to facilitate people to use the transparent tape, a cutting blade is usually provided on the transparent tape to facilitate people to quickly cut the transparent tape.
[0003] Most of the existing scotch tape cutting devices cannot control the length of the scotch tape when in use. Due to the unidirectional rotation of the scotch tape, the scotch tape that has been pulled out cannot be reset, resulting in unnecessary waste of the scotch tape. The practical performance of the device is poor.
[0004] Moreover, most of the existing scotch tapes lack restrictions on the position of the scotch tape when being cut, which makes it very easy for the scotch tape to be pulled out an excess distance during the cutting process. The pulling out of the excess scotch tape will cause the original cut portion of the scotch tape to slide forward. Since there are obvious cutting marks at the original cut portion, the molding quality of the cut scotch tape is poor.
[0005] Therefore, we design a roll-type transparent tape cutting device to provide another technical solution to the above technical problem. Utility Model Content
[0006] Based on this, it is necessary to provide a transparent tape cutting device that is convenient for controlling the pulling length of the transparent tape and limiting the position of the transparent tape when cutting, in order to solve the above technical problems.
[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0008] A roll-type transparent tape cutting device comprises a cutting device body and a transparent tape, wherein the cutting device body is divided into a tape placement cavity and a tape conveying cavity, wherein the transparent tape is placed in the tape placement cavity, wherein a conveying positioning mechanism for controlling the length of the tape being pulled out is provided in the tape placement cavity, wherein a conveying port for facilitating the tape leading out is provided on the tape placement cavity, wherein a plurality of conveying rollers for conveying the transparent tape are distributed in a V shape in the tape conveying cavity, wherein a guide assembly for limiting the conveying position of the transparent tape is provided on the circumference of the conveying roller, and wherein a cutting sawtooth for cutting the transparent tape is provided on the tape conveying cavity.
[0009] Preferably, the conveying positioning mechanism includes a positioning component and a reset component, the positioning component includes a sleeve rotatably arranged inside the tape placement cavity, one side of the sleeve is rotatably connected to a rotating shaft, the other end of the rotating shaft passes through the tape placement cavity and is connected to a driving gear, a turntable 1 is meshed on the outside of the driving gear, a groove matching the turntable 1 is provided on the outside of the tape placement cavity, a pointer is fixed on the turntable 1, and scale lines matching the pointer are distributed in a ring shape on the groove.
[0010] Preferably, the positioning assembly also includes a sliding mounting block rotatably arranged on the outside of the tape placement cavity, the tape placement cavity is provided with an annular sliding groove matching the sliding mounting block, the sliding mounting block is slidably provided with a limit stop for limiting the movement position of the pointer, the limit stop is provided with an anti-slip pad on the side of the limit stop close to the turntable, the top of the limit stop is threadedly connected to a threaded rod for adjusting its position, one end of the threaded rod is rotatably connected to the inner wall of the sliding mounting block, the other end of the threaded rod passes through the sliding mounting block and is connected to an adjusting knob, and guide slide bars 1 for guiding its movement position are provided on both sides of the top of the limit stop, and both ends of the guide slide bar 1 are rotatably connected to the inner wall of the sliding mounting block.
[0011] Preferably, the reset assembly includes a clockwork spring arranged on one side of the tape placement cavity, an arc-shaped clamping block matching the clockwork spring is fixedly provided on the turntable one, the rotating shaft is divided into rotating shaft one and rotating shaft two, a connecting sleeve is sleeved on the end of the rotating shaft one opposite to the rotating shaft two, a ratchet is rotatably provided inside the connecting sleeve, one side of the ratchet is fixedly connected to one side of the rotating shaft two, a plurality of pawls are clamped inside the ratchet, a side of the pawl away from the ratchet is rotatably connected to one side of the rotating shaft one, and a plurality of elastic sheets abutting against the pawls are fixedly provided on the rotating shaft one.
[0012] Preferably, the guide assembly includes a plurality of limit rings slidably arranged on the conveying roller, and the limit rings are provided with two guide slide bars for guiding the moving position of the limit rings and an adjusting screw for adjusting the limit rings distributed in a triangular shape, both ends of the two guide slide bars are rotatably connected to the inner wall of the belt conveying cavity, one end of the adjusting screw is rotatably connected to the inner wall of the belt conveying cavity, the other end of the adjusting screw is fixedly provided with a synchronous pulley, a synchronous belt for transmission is sleeved on the synchronous pulley, and an installation groove for facilitating the installation of the synchronous pulley and the synchronous belt is provided on the belt conveying cavity, and one end of one of the adjusting screws passes through the belt conveying cavity and is connected to an adjusting knob two.
[0013] Preferably, a limit assembly for limiting the installation position of the transparent tape is provided on one side of the tape placement cavity, and the limit assembly includes a threaded clamping cover screwed to one side of the tape placement cavity, and the interior of the tape placement cavity is provided with threaded teeth matching the threaded clamping cover, and a turntable 2 for limiting the position of the transparent tape is rotatably provided on the side of the tape placement cavity opposite to the threaded clamping cover, and a rotating knob is provided on the other side of the threaded clamping cover, and the top hinge of the tape conveying cavity is connected to a cover plate, and the cover plate is snap-fitted and connected to the tape conveying cavity through a buckle.
[0014] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.
[0015] At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:
[0016] 1. The utility model provides a roll-type transparent tape cutting device, which controls the pulling length of the transparent tape through the design of the positioning component, prevents the transparent tape from being pulled out to a long length during use, thereby avoiding waste of the transparent tape during use and improving the practical performance of the device.
[0017] 2. The utility model provides a roll-type transparent tape cutting device, which limits the position of the transparent tape when cutting through the design of the positioning component, increases the stability of the transparent tape when cutting, thereby avoiding the movement of the transparent tape during cutting and improving the molding quality of the transparent tape cutting.
[0018] 3. The utility model provides a roll-type transparent tape cutting device. Through the design of the reset component, after the operator completes cutting the transparent tape, the pointer fixed on the turntable can point to the zero point of the scale again under the action of the reset component, thereby ensuring the continuous use of the cutting device and further improving the practical performance of the device.
[0019] 4. The utility model provides a roll-type transparent tape cutting device, which limits the position of the transparent tape when it is pulled out through the design of the guide component, thereby avoiding unnecessary deviation during the pulling process and improving the stability of the cutting device during use.
[0020] 5. The utility model provides a roll-type transparent tape cutting device, which limits the position of the transparent tape in the tape placement cavity through the design of a limiting component, thereby further improving the stability of the cutting device during use. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0022] Figure 1 This is a schematic diagram of the axial structure of the utility model;
[0023] Figure 2 It is a schematic cross-sectional structure diagram of the main body of the cutting device of the utility model;
[0024] Figure 3 It is a half-section structural schematic diagram of the tape placement chamber of the utility model;
[0025] Figure 4 This is a schematic diagram of the internal structure of the sliding mounting block of the utility model;
[0026] Figure 5 It is a schematic diagram of the matching structure of the first rotating shaft and the second rotating shaft of the utility model;
[0027] Figure 6 It is a structural schematic diagram of the guide assembly of the utility model;
[0028] Figure 7 It is a structural schematic diagram of the limit assembly of the utility model.
[0029] In the figure: 1. Cutting device body; 2. Transparent tape; 3. Tape placement cavity; 4. Tape delivery cavity; 5. Delivery port; 6. Delivery roller; 7. Cutting saw teeth; 8. Sleeve; 9. Rotating shaft; 10. Driving gear; 11. Turntable 1; 12. Groove; 13. Pointer; 14. Scale line; 15. Sliding mounting block; 16. Annular slide groove; 17. Limit stopper; 18. Anti-skid pad; 19. Threaded rod; 20. Adjustment knob 1; 21 1. Guide slide bar 1; 22. Spring spring; 23. Arc clamp; 24. Rotating shaft 1; 25. Rotating shaft 2; 26. Connecting sleeve; 27. Ratchet; 28. Ratchet; 29. Elastic sheet; 30. Limiting ring; 31. Adjusting screw; 32. Guide slide bar 2; 33. Synchronous pulley; 34. Synchronous belt; 35. Mounting slot; 36. Adjusting knob 2; 37. Threaded clamping cover; 38. Turntable 2; 39. Turning knob; 40. Cover plate. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0031] Example
[0032] Reference Figure 1-7 A roll-type transparent tape cutting device comprises a cutting device body 1 and a transparent tape 2, wherein the cutting device body 1 is divided into a tape placement chamber 3 and a tape conveying chamber 4, wherein the transparent tape 2 is placed in the tape placement chamber 3, wherein a conveying positioning mechanism for controlling the length of the tape being pulled out is provided in the tape placement chamber 3, wherein a conveying port 5 for facilitating the tape export is provided on the tape placement chamber 3, wherein a plurality of conveying rollers 6 for conveying the transparent tape 2 are distributed in a V shape in the tape conveying chamber 4, wherein a guide assembly for limiting the conveying position of the transparent tape 2 is provided on the circumference of the conveying roller 6, and wherein a cutting sawtooth 7 for cutting the transparent tape 2 is provided on the tape conveying chamber 4;
[0033] Through the design of the conveying and positioning mechanism, the pulling length of the transparent tape 2 can be controlled to prevent the transparent tape 2 from being pulled out to a long length during use, thereby avoiding waste during the use of the transparent tape 2. At the same time, through the design of the conveying and positioning mechanism, the position of the transparent tape 2 during cutting can also be restricted, thereby increasing the stability of the transparent tape 2 during cutting, avoiding unnecessary movement of the transparent tape 2 during cutting, and improving the molding quality of the cut transparent tape 2.
[0034] Reference Figure 2-3 The conveying and positioning mechanism includes a positioning component and a reset component. The positioning component includes a sleeve 8 rotatably arranged inside the tape placement chamber 3. One side of the sleeve 8 is rotatably connected with a rotating shaft 9. The other end of the rotating shaft 9 penetrates the tape placement chamber 3 and is connected with a driving gear 10. The outside of the driving gear 10 is meshed with a turntable 11. The outside of the tape placement chamber 3 is provided with a groove 12 matching the turntable 11. A pointer 13 is fixed on the turntable 11. The groove 12 is annularly distributed with scale lines 14 that match the pointer 13. Specifically, in the utility model, the pulling length of the transparent tape 2 is limited through the design of the positioning component to prevent the transparent tape 2 from being pulled out for a long length during use, thereby avoiding waste during the use of the transparent tape 2. Through the design of the pointer 13 and the scale line 14, the operator can more intuitively understand the pulling length of the transparent tape 2, reducing the restriction of the use of the device;
[0035] It should be noted that, in the present embodiment, the turntable 11 is rotatably arranged on one side of the tape placement cavity 3. Through this design, the stability of the engagement between the driving gear 10 and the turntable 11 is further improved, and the loosening of the driving gear 10 and the turntable 11 during the use of the cutting device is avoided, thereby improving the stability of the device.
[0036] Reference Figure 3-4The positioning assembly also includes a sliding mounting block 15 rotatably arranged on the outside of the tape placement cavity 3, and the tape placement cavity 3 is provided with an annular slide groove 16 matching the sliding mounting block 15. A limit stopper 17 is slidably provided inside the sliding mounting block 15 to limit the movement position of the pointer 13. The limit stopper 17 is provided with an anti-slip pad 18 on the side opposite to the tape placement cavity 3. The top of the limit stopper 17 is threadedly connected with a threaded rod 19 for adjusting its position. One end of the threaded rod 19 is rotatably connected to the inner wall of the sliding mounting block 15, and the other end of the threaded rod 19 passes through the sliding mounting block 15 to connect There is an adjusting knob 20, and guide slide bars 21 for guiding its moving position are provided on both sides of the top of the limit stop block 17, and the two ends of the guide slide bar 21 are rotatably connected to the inner wall of the sliding mounting block 15. Specifically, in the utility model, through the design of the positioning component, the position of the transparent tape 2 during cutting is also restricted, and the stability of the transparent tape 2 during cutting is increased, thereby avoiding the movement of the transparent tape 2 during the cutting process, and improving the molding quality of the transparent tape 2. Through the design of the anti-slip pad 18, the stability of the limit stop block 17 abutting against the tape placement cavity 3 is improved, and the stability of the device during use is further improved.
[0037] When using the cutting device, the operator first slides the limit stopper 17 counterclockwise along the annular slide groove 16 to one end of the tape placement chamber 3 and conflicts with one side of the pointer 13. At this time, the adjusting knob 20 is rotated to pre-tighten the sliding mounting block 15, and one end of the transparent tape 2 is bonded to the edge of the sealed object, and the cutting device is pulled to continuously pull out the transparent tape 2 in the tape placement chamber 3. At this time, the sleeve 8 is driven by the transparent tape 2 to rotate, and the pointer 13 on the turntable 11 is driven to rotate through the driving gear 10. When the pulled-out length of the transparent tape 2 is sufficient, the adjusting knob 20 is loosened, and the sliding mounting block 15 is rotated clockwise. When the limit stopper 17 conflicts with the other end of the pointer 13, the adjusting knob 20 is tightened. When the inner side of the limit stopper 17 conflicts with the outer wall of the tape placement chamber 3, the adjusting knob 20 is stopped. At this time, the operator presses the cutting device body 1 obliquely downward to cut the transparent tape 2.
[0038] When it is inconvenient to place the cutting device directly on the packaged object for use, the operator can first measure the specific length of the packaged object, and cut the required length of the transparent tape 2 through the display of the pointer 13 and the scale line 14.
[0039] Reference Figure 3 and Figure 5The reset assembly includes a spring 22 arranged on one side of the tape placement cavity 3, an arc-shaped clamping block 23 matched with the spring 22 is fixedly provided on the turntable 11, the rotating shaft 9 is divided into a rotating shaft 1 24 and a rotating shaft 2 25, and a connecting sleeve 26 is sleeved on the end of the rotating shaft 1 24 opposite to the rotating shaft 2 25, and a ratchet 27 is rotatably provided inside the connecting sleeve 26, one side of the ratchet 27 is fixedly connected to one side of the rotating shaft 25, and a plurality of ratchet pawls 28 are clamped inside the ratchet 27, and a side of the ratchet pawl 28 away from the ratchet 27 is rotatably connected to one side of the rotating shaft 1 24, and a plurality of ratchet pawls 28 abutting against the ratchet 28 are fixedly provided on the rotating shaft 1 24. Elastic sheet 29. Specifically, in the utility model, the rotation state of turntable 11 is controlled by the design of a reset component, so that turntable 11 can rotate counterclockwise during the process of pulling out the transparent tape 2, so as to control the pulling length of the transparent tape 2. When the turntable 11 rotates counterclockwise, the spring 22 engaged with the arc-shaped clamping block 23 contracts along with the rotation of the turntable 11. After the cutting of the transparent tape 2 is completed, the spring 22 is reset under the action of its own elastic force, and drives the turntable 11 to rotate counterclockwise through the arc-shaped clamping block 23, so that the pointer 13 on the turntable 11 points to the zero point of the scale again, thereby ensuring the continuous use of the cutting device.
[0040] Reference Figure 2 and Figure 6 The guide assembly includes a plurality of limit rings 30 slidably arranged on the conveying roller 6, and the limit ring 30 is provided with a guide slide rod 2 32 for guiding the moving position of the limit ring 30 and an adjusting screw 31 for adjusting the limit ring 30 distributed in a triangular shape. Both ends of the guide slide rod 2 32 are rotatably connected to the inner wall of the tape conveying cavity 4, and one end of the adjusting screw 31 is rotatably connected to the inner wall of the tape conveying cavity 4. The other end of the adjusting screw 31 is fixed with a synchronous pulley 33, and a synchronous belt 34 for transmission is sleeved on the synchronous pulley 33. The tape conveying cavity 4 is provided with a groove for facilitating the synchronous pulley 33 and the synchronous belt The mounting groove 35 of the adjusting screw 31 is installed in the mounting groove 34, and one end of one of the adjusting screws 31 passes through the tape conveying cavity 4 and is connected to the adjusting knob 2 36. Specifically, in the utility model, the position of the transparent tape 2 when being pulled out is restricted by the design of the guide assembly, so as to avoid unnecessary deviation during the pulling out process and improve the stability of the cutting device during use; through the design of the synchronous pulley 33, the synchronous belt 34 and the adjusting knob 2 36, the operator only needs to turn the adjusting knob 2 36 to control the movement state of multiple adjusting screws 31, simplifying the adjustment process of the guide assembly and improving the practical performance of the device;
[0041] It should be noted that, in this embodiment, the threads on the adjusting screw 31 are positive and negative threads with opposite rotation directions at both ends. Through this design, when the adjusting screw 31 rotates, the two limit rings 30 threadedly connected thereto can move toward or away from each other, thereby limiting the position of the transparent tape 2 when it is pulled out.
[0042] When limiting the position of the transparent tape 2 when it is pulled out, the operator rotates the adjusting knob 2 36 to drive the adjusting screw 31 to rotate, so that the limit ring 30 threadedly connected to the adjusting screw 31 moves relatively, and when the limit ring 30 conflicts with the edge of the transparent tape 2, the rotation of the adjusting knob 2 36 is stopped, thereby limiting the position of the transparent tape 2 when it is pulled out and improving the stability of the cutting device during use.
[0043] Reference Figure 6-7 A limiting component for limiting the installation position of the transparent tape 2 is provided on one side of the tape placement chamber 3, and the limiting component includes a threaded clamping cover 37 screwed to one side of the tape placement chamber 3, and a threaded tooth matching the threaded clamping cover 37 is provided inside the tape placement chamber 3. A turntable 2 38 for limiting the position of the transparent tape 2 is rotatably provided on the side of the tape placement chamber 3 opposite to the threaded clamping cover 37, and a rotating knob 39 is provided on the other side of the threaded clamping cover 37. A cover plate 40 is hingedly connected to the top of the tape conveying chamber 4, and the cover plate 40 is snap-fitted and connected to the tape conveying chamber 4 through a buckle. Specifically, in the utility model, the position of the transparent tape 2 on the sleeve 8 is limited by the design of the threaded clamping cover 37 and the turntable 2 38, so as to further improve the stability of the cutting device during use;
[0044] When installing the transparent tape 2, place the transparent tape 2 into the tape placement chamber 3 along the sleeve 8. When one end of the transparent tape 2 conflicts with the turntable 2 38, place the threaded clamping cover 37 at the other end of the tape placement chamber 3. At this time, rotate the rotating knob 39 clockwise to gradually screw the threaded clamping cover 37 into the tape placement chamber 3. When the turntable 2 38 on the threaded clamping cover conflicts with the transparent tape 2, stop rotating the rotating knob 39. At this time, open the cover plate 40, pull the output end of the transparent tape 2 along the V-shaped conveying roller 6 to the bottom end of the cutting saw teeth 7, and close the cover plate 40 to achieve the installation of the transparent tape 2 in the cutting device.
[0045] The use process of the roll-type transparent tape 2 cutting device provided by the utility model is as follows:
[0046] When using the cutting device, the operator first slides the limit stopper 17 counterclockwise along the annular slide groove 16 to one end of the tape placement chamber 3 and conflicts with one side of the pointer 13. At this time, the adjusting knob 20 is rotated to pre-tighten the sliding mounting block 15, and one end of the transparent tape 2 is bonded to the edge of the sealed object, and the cutting device is pulled to continuously pull out the transparent tape 2 in the tape placement chamber 3. At this time, the sleeve 8 is driven by the transparent tape 2 to rotate, and the pointer 13 on the turntable 11 is driven to rotate through the driving gear 10. When the pulled-out length of the transparent tape 2 is sufficient, the adjusting knob 20 is loosened, and the sliding mounting block 15 is rotated clockwise. When the limit stopper 17 conflicts with the other end of the pointer 13, the adjusting knob 20 is tightened. When the inner side of the limit stopper 17 conflicts with the outer wall of the tape placement chamber 3, the adjusting knob 20 is stopped. At this time, the operator presses the cutting device body 1 obliquely downward to cut the transparent tape 2.
[0047] When the cutting device is not convenient to be placed directly on the packaged object for use, the operator can first measure the specific length of the packaged object, and cut the required length of the transparent tape 2 through the display of the pointer 13 and the scale line 14;
[0048] When limiting the position of the transparent tape 2 when being pulled out, the operator rotates the second adjusting knob 36 to drive the adjusting screw 31 to rotate, so that the limiting ring 30 threadedly connected to the adjusting screw 31 moves relatively, and when the limiting ring 30 contacts the edge of the transparent tape 2, the operator stops rotating the second adjusting knob 36, so that the position of the transparent tape 2 when being pulled out can be limited, thereby improving the stability of the cutting device during use;
[0049] When installing the transparent tape 2, place the transparent tape 2 into the tape placement chamber 3 along the sleeve 8. When one end of the transparent tape 2 conflicts with the turntable 2 38, place the threaded clamping cover 37 at the other end of the tape placement chamber 3. At this time, rotate the rotating knob 39 clockwise to gradually screw the threaded clamping cover 37 into the tape placement chamber 3. When the turntable 2 38 on the threaded clamping cover conflicts with the transparent tape 2, stop rotating the rotating knob 39. At this time, open the cover plate 40, pull the output end of the transparent tape 2 along the V-shaped conveying roller 6 to the bottom end of the cutting saw teeth 7, and close the cover plate 40 to achieve the installation of the transparent tape 2 in the cutting device.
[0050] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A roll-type transparent tape cutting device, comprising a cutting device body (1) and a transparent tape (2), characterized in that: The cutting device body (1) is divided into a tape placement chamber (3) and a tape conveying chamber (4); the transparent tape (2) is placed in the tape placement chamber (3); a conveying positioning mechanism for controlling the length of the tape being pulled out is provided in the tape placement chamber (3); a conveying port (5) for facilitating the tape output is provided on the tape placement chamber (3); a plurality of conveying rollers (6) for conveying the transparent tape (2) are distributed in a V-shape in the tape conveying chamber (4); a guide assembly for limiting the conveying position of the transparent tape (2) is provided on the circumference of the conveying roller (6); and a cutting sawtooth (7) for cutting the transparent tape (2) is provided on the tape conveying chamber (4).
2. A roll-type transparent tape cutting device according to claim 1, characterized in that: The conveying positioning mechanism comprises a positioning component and a reset component. The positioning component comprises a sleeve (8) rotatably arranged inside the tape placement cavity (3). One side of the sleeve (8) is rotatably connected to a rotating shaft (9). The other end of the rotating shaft (9) passes through the tape placement cavity (3) and is connected to a driving gear (10). The outside of the driving gear (10) is meshed with a turntable (11). The outside of the tape placement cavity (3) is provided with a groove (12) matching the turntable (11). A pointer (13) is fixed on the turntable (11). The groove (12) is annularly distributed with scale lines (14) matching the pointer (13).
3. A roll-type transparent tape cutting device according to claim 2, characterized in that: The positioning assembly also includes a sliding mounting block (15) rotatably arranged on the outer side of the tape placement cavity (3), the tape placement cavity (3) is provided with an annular sliding groove (16) matching the sliding mounting block (15), a limit stopper (17) is slidably arranged inside the sliding mounting block (15) for limiting the moving position of the pointer (13), a non-slip pad (18) is arranged on the side of the limit stopper (17) close to the turntable, the top end of the limit stopper (17) is threadedly connected with a threaded rod (19) for adjusting its position, one end of the threaded rod (19) is rotatably connected to the inner wall of the sliding mounting block (15), the other end of the threaded rod (19) passes through the sliding mounting block (15) and is connected with an adjusting knob (20), and guide slide rods (21) are arranged on both sides of the top end of the limit stopper (17) for guiding its moving position, and the two ends of the guide slide rod (21) are rotatably connected to the inner wall of the sliding mounting block (15).
4. The roll-type transparent tape cutting device according to claim 2, characterized in that: The reset assembly comprises a spring (22) arranged at one side of the tape placement cavity (3); an arc-shaped clamping block (23) matched with the spring (22) is fixedly arranged on the turntable (11); the rotating shaft (9) is divided into a rotating shaft (24) and a rotating shaft (25); a connecting sleeve (26) is sleeved on the end of the rotating shaft (24) opposite to the rotating shaft (25); a ratchet (27) is rotatably arranged inside the connecting sleeve (26); one side of the ratchet (27) is fixedly connected to one side of the rotating shaft (25); a plurality of ratchet pawls (28) are clamped inside the ratchet (27); a side of the ratchet pawl (28) away from the ratchet (27) is rotatably connected to one side of the rotating shaft (24); a plurality of elastic sheets (29) abutting against the ratchet pawls (28) are fixedly arranged on the rotating shaft (24).
5. The roll-type transparent tape cutting device according to claim 1, characterized in that: The guide assembly comprises a plurality of limit rings (30) slidably arranged on the conveying roller (6), the limit rings (30) are provided with two guide slide bars (32) for guiding the moving position of the limit rings (30) and an adjusting screw (31) for adjusting the limit rings (30) distributed in a triangular shape, the two ends of the guide slide bars (32) are rotatably connected to the inner wall of the tape conveying cavity (4), one end of the adjusting screw (31) is rotatably connected to the inner wall of the tape conveying cavity (4), the other end of the adjusting screw (31) is fixedly provided with a synchronous pulley (33), a synchronous belt (34) for transmission is sleeved on the synchronous pulley (33), and a mounting groove (35) for facilitating the installation of the synchronous pulley (33) and the synchronous belt (34) is provided on the tape conveying cavity (4), one end of one of the adjusting screws (31) passes through the tape conveying cavity (4) and is connected to a second adjusting knob (36).
6. The roll-type transparent tape cutting device according to claim 1, characterized in that: A limiting component for limiting the installation position of the transparent tape (2) is provided on one side of the tape placement chamber (3), and the limiting component includes a threaded clamping cover (37) screwed to one side of the tape placement chamber (3). The interior of the tape placement chamber (3) is provided with threaded teeth matching the threaded clamping cover (37). A turntable 2 (38) for limiting the position of the transparent tape (2) is rotatably provided on the side of the tape placement chamber (3) opposite to the threaded clamping cover (37). A rotating knob (39) is provided on the other side of the threaded clamping cover (37). The top end of the tape conveying chamber (4) is hingedly connected to a cover plate (40), and the cover plate (40) is snap-fitted and connected to the tape conveying chamber (4) through a buckle.