A thin tape intermittent automatic winding device

Abstract

This invention relates to the field of tape winding technology and discloses an intermittent automatic winding device for thin tape, including a fixed base and a turntable. The turntable has multiple winding stations, each equipped with a winding roller. A pressing mechanism is rotatably mounted on the fixed base. Its first actuating end abuts against the outer surface of the tape roll on the main winding roller and is pushed as the tape thickness increases. Its second actuating end moves in the opposite direction, pressing the tape against a standby winding roller and creating a tension between the main and standby winding rollers to form a cutting surface. A cutting mechanism is rotatably mounted on the pressing mechanism, located above the cutting surface. When the turntable switches winding rollers, it drives the cutting mechanism to swing and cut the tape. The cut end is automatically attached to the standby winding roller under the pressure of the second actuating end. This invention achieves automatic pressing, precise cutting, and automatic end attachment after winding, effectively solving the problems of excessively long end allowances and uneven cross-sections.

Description

Technical Field

[0001] This invention relates to the field of tape winding technology, and more specifically to an intermittent automatic winding device for thin tape. Background Technology

[0002] In the production process of adhesive tape, the main steps are gluing, slitting, and winding. After the gluing process, a large-sized tape roller is obtained. The tape on the tape roller is relatively wide, and the extended tape needs to be cut into multiple tape strips along the width direction. The final step is tape winding, which is generally done using a single-roll winding machine to wind up the slitting tape. After winding, the tape is cut to obtain complete individual tape rolls.

[0003] To further automate winding and roll changing, existing technologies typically employ twin-roll winding machines, which are machines equipped with two winding rolls that can work alternately while rotating. During operation, a turntable is used to switch the other winding roll to the winding position, and then manual or auxiliary cutting mechanisms are required to cut the tape between the two winding rolls.

[0004] However, while continuous winding is achieved by rotating two sets of take-up rollers on a turntable, a fixed gap exists between the old and new take-up rollers. When switching take-up rollers, whether by manual cutting or an auxiliary cutting mechanism, a long allowance remains on the new take-up roller after the tape is cut. This allowance is not effectively restrained at the beginning of subsequent winding and is prone to wrinkling and deviation. In addition, thin tapes have low rigidity and high elasticity, making them prone to local displacement under the cutting force during the cutting process. This results in uneven cut surfaces, and may even cause curling or adhesion at the cut surface due to the elastic recoil of the tape, affecting the flatness of subsequent winding and the quality of the finished product.

[0005] Therefore, there is an urgent need for an intermittent automatic winding device that can achieve stable pressing, precise cutting, and automatic attachment of the tape end during the switching of the winding roller. Summary of the Invention

[0006] The purpose of this invention is to provide an intermittent automatic winding device for thin adhesive tape, so as to solve the technical problems in the prior art that cause wrinkles and reduced product quality due to excessively long tape ends and uneven cut surfaces after the winding rollers are switched.

[0007] To solve the above-mentioned technical problems, the present invention specifically provides the following technical solution: An intermittent automatic winding device for thin adhesive tape includes a fixed base and a turntable rotatably mounted on the fixed base. The turntable has multiple winding stations, and each winding station has a winding roller rotatably mounted on it. The winding roller that performs the winding task is designated as the main winding roller, and the winding roller in standby mode is designated as the backup winding roller. The fixed base is also rotatably provided with a pressing mechanism. The pressing mechanism has a first working end and a second working end. The first working end is used to abut against the outer circular surface of the tape roll on the main winding roller and is pushed to generate displacement when the tape winding thickness increases. The second working end moves in the opposite direction when the first working end is pushed, pressing the tape onto the adjacent standby winding roller and tensioning between the adjacent main winding roller and standby winding roller to form a cutting surface. The pressing mechanism is rotatably equipped with a cutting mechanism, which is located above the cutting surface and is connected to the turntable via transmission. When the turntable switches the rotation of the take-up roller, it drives the cutting mechanism to swing toward the cutting surface to cut the tape. The cut tape end is automatically attached to the take-up roller under the pressing action of the second action end.

[0008] Furthermore, the clamping mechanism includes: a rotating shaft fixed on a fixed base, and a movable frame rotatably sleeved on the rotating shaft, wherein the two ends of the movable frame respectively form the first working end and the second working end.

[0009] Furthermore, the first working end is a drive roller fixedly disposed at one end of the movable frame, and the second working end is a pressure roller fixedly disposed at the other end of the movable frame; the drive roller is used to abut against the outer circular surface of the tape roll on the main take-up roller, and is pushed when the tape thickness increases, so that the pressure roller moves in the opposite direction and presses the tape onto the standby take-up roller.

[0010] Furthermore, the bottom surface of the movable frame is symmetrically provided with protrusions along the central axis of the rotating shaft; A fixed frame is fixedly mounted on the fixed base, and a second spring column is fixedly mounted on the fixed frame. A roller is fixedly mounted on the sliding end of the second spring column. The roller is located between two sets of protrusions and maintains the balance of the movable frame when no external force is applied.

[0011] Furthermore, the cutting mechanism includes: a rotating shaft rotatably mounted on two sets of movable frames, a mounting frame fixedly mounted between the rotating shafts, and a cutter that contacts the cutting surface of the tape fixedly mounted on one edge of the bottom surface of the mounting frame.

[0012] Furthermore, a sleeve is fixedly provided on the movable frame. The sleeve is coaxially sleeved outside the rotating shaft, and a torsion spring is provided inside the sleeve. The two ends of the torsion spring abut against the rotating shaft and the sleeve respectively, which is used to keep the cutter away from the tape during winding.

[0013] Furthermore, the fixed base is provided with a linkage component that is linked with the turntable to drive the rotating shaft to rotate. When the turntable rotates to switch the take-up roller after the winding is completed, the linkage component drives the rotating shaft to rotate against the elastic force of the torsion spring so that the cutter cuts the tape.

[0014] Furthermore, a driven gear is fixedly sleeved on the rotating shaft, and a rack is slidably mounted on the movable frame, with one side of the rack meshing with the driven gear; A drive gear is fixedly sleeved on the rotating shaft of the turntable, and a transmission gear that meshes with the drive gear is rotatably provided on the surface of the turntable. When the turntable rotates to switch the take-up roller, the transmission gear meshes with the other side of the rack to drive the rack to slide.

[0015] Furthermore, the movable frame is vertically provided with a sliding groove, and a compression spring is provided in the sliding groove. One end of the compression spring is connected to a mounting block, and the mounting block slides in conjunction with the sliding groove. The rack is fixedly mounted on the mounting block, and the compression spring is used to reset the rack after the transmission gear disengages from the rack.

[0016] Furthermore, the fixed base is also provided with a tensioning element; the tensioning element includes: a tensioning frame fixedly mounted on the fixed base, a sliding groove is provided in the tensioning frame, a first spring column is fixedly mounted in the sliding groove, one end of the first spring column is fixedly connected to a slider that slides in cooperation with the side wall of the sliding groove, and a tensioning roller that supports the tape is rotatably mounted on the slider.

[0017] Compared with the prior art, the present invention has the following advantages: This invention integrates the pressing mechanism and the cutting mechanism into one unit, overcoming the inherent defect of existing twin-roller winding machines where the fixed roller spacing results in excessively long end allowances. It achieves purely mechanical adaptive linkage by utilizing the change in tape thickness on the winding roller. Using the thrust generated by the increased tape thickness, it automatically presses the tape and attaches it to the new winding roller at the moment winding is completed, thus completing the cutting. This results in a much shorter end allowance of tape left on the new roller compared to traditional devices, solving common problems such as wrinkles and deviations in the initial section caused by excessively long end allowances in traditional devices. At the same time, unlike existing cutting methods where the tape is in a free-suspension state, the pressing mechanism naturally tensions and flattens the tape while pressing it, forming a flat and vibration-free cutting surface. This avoids the rough cross-section and uneven stress caused by traditional free-suspension cutting. Attached Figure Description

[0018] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0019] Figure 1 A three-dimensional structural schematic diagram of an intermittent automatic winding device for thin adhesive tape provided in this application embodiment; Figure 2A partial structural diagram of the pressing mechanism in an intermittent automatic winding device for thin adhesive tape provided in an embodiment of this application; Figure 3 This is a schematic diagram of the pressing mechanism in an intermittent automatic winding device for thin adhesive tape provided in an embodiment of this application; Figure 4 A partial structural schematic diagram of the cutting mechanism in an intermittent automatic winding device for thin adhesive tape provided in an embodiment of this application; Figure 5 This is a schematic diagram of the linkage component in an intermittent automatic winding device for thin adhesive tape provided in an embodiment of this application; Figure 6 A cross-sectional view of the cutting mechanism in an intermittent automatic rewinding device for thin adhesive tape provided in an embodiment of this application; Figure 7 A plan view of the cutting mechanism in an intermittent automatic rewinding device for thin adhesive tape provided in an embodiment of this application; Figure 8 for Figure 7 Sectional view of AA; Figure 9 This is a schematic diagram of the tensioning element in an intermittent automatic winding device for thin adhesive tape provided in an embodiment of this application.

[0020] The reference numerals in the figure are as follows: 1-Fixed base; 2-Supply roller; 3-Infeed roller; 4-Tensioning component; 5-Take-up roller; 6-Turntable; 7-Pressure mechanism; 8-Cutting mechanism; 9-Servo motor; 10-Rotary motor; 401-Tensioning frame; 402-First spring column; 403-Slider; 404-Tensioning roller; 701-Rotating shaft; 702-Modible frame; 703-Drive roller; 704-Pressure roller; 705-Protrusion; 706-Fixed frame; 707-Second spring column; 708-Roller; 801-Rotating shaft; 802-Mounting bracket; 803-Cutter; 804-Sleeve; 805-Torsion spring; 806-Driving gear; 807-Transmission gear; 808-Rack; 809-Driven gear; 810-Slide groove; 811-Compression spring; 812-Mounting block. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0022] like Figure 1 and Figure 9 As shown, this application provides an intermittent automatic winding device for thin adhesive tape, used for automatically and intermittently winding thin adhesive tape after longitudinal slitting. The device includes a fixed base 1, and a feed roller 2, an infeed roller 3, a tensioning element 4, and multiple sets of winding rollers 5 rotatably mounted on the fixed base 1. Multiple longitudinally slid adhesive tapes are pulled out by the feed roller 2, their heads sequentially passing over the infeed roller 3 and the tensioning element 4, and finally conveyed to the winding rollers 5 located at the winding position for winding. The tensioning element 4 is used to maintain stable tension of the adhesive tape during transmission, avoiding uneven winding caused by tension fluctuations.

[0023] like Figure 1 As shown, a turntable 6 is rotatably mounted on the fixed base 1, and multiple sets of take-up rollers 5 are rotatably mounted on the turntable 6 in parallel with each other. A rotary motor 10 is mounted on the turntable 6, and the output end of the rotary motor 10 is connected to the take-up rollers 5 to drive the main take-up rollers to rotate for the take-up action. A servo motor 9 is also fixed on the fixed base 1, and the output end of the servo motor 9 is connected to the rotating shaft of the turntable 6 to drive the turntable 6 to rotate in the direction of the take-up action. When the tape on a certain take-up roller 5 is wound to a set length (i.e., the paper tube is fully wound), the servo motor 9 drives the turntable 6 to rotate one position, moving the main take-up roller that has completed the take-up away from the take-up position, and simultaneously rotating the standby take-up roller to the take-up position, ready for the next round of take-up.

[0024] It should be noted that in this application, "main take-up roll" refers to the take-up roll 5 currently performing the take-up task, and "standby take-up roll" refers to the adjacent take-up roll 5 that is in standby mode and is about to be switched to the take-up position.

[0025] like Figure 2 , Figure 3 As shown, the fixed base 1 is also equipped with a pressing mechanism 7. The pressing mechanism 7 includes a rotating shaft 701 fixedly mounted on the fixed base 1, and a movable frame 702 rotatably mounted on the rotating shaft 701. The two ends of the movable frame 702 are respectively fixed with a drive roller 703 and a pressure roller 704 corresponding to the position of the take-up roller 5. Among them, the drive roller 703 serves as the first working end, located above the main take-up roller in the take-up position, and maintains slight contact or no contact with the main take-up roller in the initial stage of take-up, and is gradually pushed upward as the thickness of the tape increases; the pressure roller 704 serves as the second working end, located above the non-take-up position (i.e., the standby take-up roller to be switched).

[0026] The fixed base 1 is provided with a balancing component to keep the movable frame 702 balanced. In this embodiment, the balancing component includes two sets of protrusions 705 fixedly mounted on the movable frame 702 and symmetrically arranged along the central axis of the rotating shaft 701, and a fixed frame 706 fixedly mounted on the fixed base 1.

[0027] A second spring column 707 is fixedly mounted on the fixed frame 706, and a roller 708 is fixedly mounted on the sliding end of the second spring column 707. The roller 708 is located between two sets of protrusions 705. In the initial equilibrium state, the roller 708 is in contact with the two sets of protrusions 705 simultaneously or maintains a slight gap, so that the two ends of the movable frame 702 are balanced by forces. The transmission roller 703 and the pressure roller 704 are both in a raised state and do not contact the winding roller 5 or only have slight contact with it.

[0028] As the take-up roller 5 at the take-up position winds up the tape, the outer diameter of the tape roll gradually increases with the thickness of the tape, thus pushing the drive roller 703 upward. The rise of the drive roller 703 causes the movable frame 702 to tilt around the pivot 701, breaking the original balance. At this time, the drive roller 703 at one end of the movable frame 702 rises, while the pressure roller 704 at the other end falls accordingly.

[0029] After the pressure roller 704 descends, it squeezes the tape, pressing it against the surface of the take-up roller 5 at the new non-take-up position. Simultaneously, it tightens the tape, forming a stable and flat tape cutting surface between the already wound take-up roller 5 and the new take-up roller 5. The formation of this cutting surface ensures the accuracy of subsequent cutting operations, avoiding cutting deviations and uneven cross-sections caused by tape slack.

[0030] like Figure 4 , Figure 5 , Figure 6 As shown, a cutting mechanism 8 is rotatably mounted on the clamping mechanism 7. The cutting mechanism 8 includes a rotating shaft 801 rotatably mounted on two sets of movable frames 702. A mounting frame 802 is fixedly mounted between the rotating shafts 801. A cutter 803 is fixedly mounted on one edge of the bottom surface of the mounting frame 802. The edge of the cutter 803 is parallel to the tape cutting surface and located directly above it. When cutting, the cutter 803 swings downward and glides across the tape cutting surface.

[0031] A sleeve 804 is fixedly mounted on the movable frame 702, and the sleeve 804 is coaxially sleeved on the outside of the rotating shaft 801. A torsion spring 805 is installed inside the sleeve 804, and the two ends of the torsion spring 805 abut against the outer circumferential surface of the rotating shaft 801 and the inner circumferential surface of the sleeve 804, respectively. During normal winding, the elastic force of the torsion spring 805 keeps the rotating shaft 801 at an initial angle, and the cutter 803 is kept away from the tape cutting surface to avoid interfering with the normal winding action.

[0032] like Figure 5 , Figure 6 , Figure 7 , Figure 8 As shown, the fixed base 1 is equipped with a linkage component that drives the rotating shaft 801 to rotate in conjunction with the turntable 6. When the turntable 6 rotates to replace the take-up roller 5 after winding is completed, the linkage component drives the rotating shaft 801 to rotate, causing the cutter 803 to cut the tape.

[0033] The specific structure of the linkage is as follows: A driven gear 809 is fixedly sleeved on the rotating shaft 801. A vertically opening slide groove 810 is provided on the movable frame 702, and a compression spring 811 is fixedly installed in the slide groove 810. One end of the compression spring 811 is fixedly connected to a mounting block 812, which slides in cooperation with the inner sidewall of the slide groove 810. A rack 808 with teeth on both sides is fixedly installed on the surface of the mounting block 812, and one side of the rack 808 is engaged with the driven gear 809. A driving gear 806 is fixedly sleeved on the rotating shaft of the turntable 6, and a transmission gear 807 that meshes with the driving gear 806 is rotatably installed on the surface of the turntable 6. The driving gear 806, transmission gear 807, rack 808, and driven gear 809 together constitute the linkage; the sliding of the rack 808 in the slide groove 810 is driven by the driving gear 806 through the transmission gear 807, and the compression spring 811 is used to reset the rack 808 after the transmission gear 807 disengages from the rack 808.

[0034] When winding is complete and the servo motor 9 drives the turntable 6 to rotate to switch the take-up roller 5, the drive gear 806 rotates synchronously with the shaft of the turntable 6, driving the transmission gear 807 to rotate. When the transmission gear 807 rotates to the position where it contacts and meshes with the other side of the rack 808, the transmission gear 807 drives the rack 808 to move downward in the slide groove 810, compressing the compression spring 811. The movement of the rack 808 will drive the driven gear 809, which meshes with it, to rotate, thereby driving the rotating shaft 801 to rotate against the elastic force of the torsion spring 805. The rotation of the rotating shaft 801 drives the mounting bracket 802 and the cutter 803 to swing, causing the cutter 803 to quickly slice across the tape cutting surface, completing the cutting of the tape.

[0035] Since the pressure roller 704 of the pressing mechanism 7 has firmly pressed the tape onto the new take-up roller 5 before cutting and formed a stable cutting surface, the tape end remaining on the new take-up roller 5 after cutting is extremely short (only the distance from the contact point between the pressure roller 704 and the take-up roller 5 to the cutting point of the cutter 803), and the end naturally adheres to the surface of the new take-up roller 5 under the pressure of the pressure roller 704.

[0036] After cutting is completed, as the turntable 6 continues to rotate, the transmission gear 807 disengages from the rack 808. At this time, under the restoring force of the compression spring 811, the mounting block 812 and the rack 808 return to their initial positions; simultaneously, under the restoring force of the torsion spring 805, the rotating shaft 801 drives the cutter 803 away from the tape cutting surface, returning to the initial standby state.

[0037] like Figure 9As shown, the tensioning component 4 includes a tensioning frame 401 fixedly mounted on the fixed base 1. A sliding groove is formed within the tensioning frame 401, and a first spring post 402 is fixedly mounted within the groove. One end of the first spring post 402 is fixedly connected to a slider 403 that slides against the side wall of the sliding groove. A tensioning roller 404, which supports the conveyor belt, is rotatably mounted on the slider 403. Under the elastic force of the first spring post 402, the tensioning roller 404 maintains a stable tension on the conveyor belt, preventing the conveyor belt from loosening or vibrating during transmission.

[0038] The working process of this device is as follows: During winding, the rotary motor 10 drives the winding roller 5 located at the winding position to rotate, thereby winding the tape. As the winding thickness increases, the tape roll gradually pushes the drive roller 703 upward. The rise of the drive roller 703 breaks the balance of the movable frame 702, and the pressure roller 704 descends, pressing the tape onto the new winding roller 5 and forming a stable cutting surface between the two sets of winding rollers 5.

[0039] After winding is completed, the servo motor 9 drives the turntable 6 to rotate, rotating the new winding roller 5 to the winding position, and at the same time rotating the winding roller 5 that has been wound away. During the rotation of the turntable 6, the rotating shaft 801 is driven to rotate through the transmission of the drive gear 806, the transmission gear 807, the rack 808 and the driven gear 809, and the cutter 803 cuts the tape.

[0040] After cutting, the transmission gear 807 disengages from the rack 808, and the compression spring 811 and torsion spring 805 reset the rack 808 and the cutter 803 respectively, preparing for the next round of winding.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. All such modifications or substitutions should be covered within the protection scope of this application, and should not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application. Therefore, the protection scope of this application should be determined by the protection scope of the claims.

Claims

1. A thin adhesive tape intermittent automatic winding device, characterized in that, It includes a fixed base (1) and a turntable (6) rotatably mounted on the fixed base (1). The turntable (6) is provided with multiple winding stations, and each winding station is rotatably mounted with a winding roller (5). Among them, the take-up roller (5) that performs the take-up task is the main take-up roller, and the take-up roller (5) that is in standby state is the backup take-up roller. The fixed base (1) is also rotatably provided with a pressing mechanism (7). The pressing mechanism (7) has a first working end and a second working end. The first working end is used to abut against the outer circular surface of the tape roll on the main winding roller and is pushed to generate displacement when the tape winding thickness increases. The second working end moves in the opposite direction when the first working end is pushed, pressing the tape onto the adjacent standby winding roller and tensioning between the adjacent main winding roller and standby winding roller to form a cutting surface. The pressing mechanism (7) is rotatably provided with a cutting mechanism (8). The cutting mechanism (8) is located above the cutting surface and is connected to the turntable (6) via transmission. When the turntable (6) switches the take-up roller (5) to rotate, it drives the cutting mechanism (8) to swing toward the cutting surface to cut the tape. The cut tape end is automatically attached to the take-up roller under the pressing action of the second working end.

2. The thin adhesive tape intermittent automatic winding device according to claim 1, characterized in that, The pressing mechanism (7) includes a rotating shaft (701) fixed on a fixed base (1) and a movable frame (702) rotatably sleeved on the rotating shaft (701). The two ends of the movable frame (702) form the first working end and the second working end, respectively.

3. The thin tape intermittent automatic winding device according to claim 2, characterized in that, The first working end is a transmission roller (703) fixedly disposed at one end of the movable frame (702), and the second working end is a pressure roller (704) fixedly disposed at the other end of the movable frame (702). The drive roller (703) is used to abut against the outer surface of the tape roll on the main take-up roller and is pushed when the tape thickness increases, so that the pressure roller (704) moves in the opposite direction and presses the tape onto the standby take-up roller.

4. The thin adhesive tape intermittent automatic winding device according to claim 3, characterized in that, The bottom surface of the movable frame (702) is symmetrically provided with protrusions (705) along the central axis of the rotating shaft (701); A fixed frame (706) is fixedly provided on the fixed base (1), and a second spring column (707) is fixedly provided on the fixed frame (706). A roller (708) is fixedly provided on the sliding end of the second spring column (707). The roller (708) is located between two sets of protrusions (705) to maintain the balance of the movable frame (702) when no external force is applied.

5. A thin adhesive tape intermittent automatic winding device according to claim 3 or 4, characterized in that, The cutting mechanism (8) includes a rotating shaft (801) rotatably mounted on two sets of movable frames (702), a mounting frame (802) is fixedly provided between the rotating shafts (801), and a cutter (803) that contacts the tape cutting surface is fixedly provided on one edge of the bottom surface of the mounting frame (802).

6. The thin adhesive tape intermittent automatic winding device according to claim 5, characterized in that, A sleeve (804) is fixedly provided on the movable frame (702). The sleeve (804) is coaxially sleeved outside the rotating shaft (801), and a torsion spring (805) is provided inside the sleeve (804). The two ends of the torsion spring (805) abut against the rotating shaft (801) and the sleeve (804) respectively, and are used to keep the cutter (803) away from the tape when winding.

7. The thin adhesive tape intermittent automatic winding device according to claim 6, characterized in that, The fixed base (1) is provided with a linkage component that is linked with the turntable (6) to drive the rotating shaft (801) to rotate. When the turntable (6) rotates to switch the take-up roller (5) after the winding is completed, the linkage component drives the rotating shaft (801) to rotate against the elastic force of the torsion spring (805) so that the cutter (803) cuts the tape.

8. The thin adhesive tape intermittent automatic winding device according to claim 7, characterized in that, A driven gear (809) is fixedly sleeved on the rotating shaft (801), and a rack (808) is slidably mounted on the movable frame (702). One side of the rack (808) meshes with the driven gear (809). The turntable (6) has a drive gear (806) fixedly mounted on its shaft, and the surface of the turntable (6) is provided with a transmission gear (807) that meshes with the drive gear (806). When the turntable (6) rotates to switch the take-up roller (5), the transmission gear (807) meshes with the other side of the rack (808) to drive the rack (808) to slide.

9. The intermittent automatic winding device for thin adhesive tape according to claim 8, characterized in that, The movable frame (702) is vertically provided with a slide groove (810), and a compression spring (811) is provided in the slide groove (810). One end of the compression spring (811) is connected to a mounting block (812), and the mounting block (812) slides in cooperation with the slide groove (810). The rack (808) is fixedly mounted on the mounting block (812), and the compression spring (811) is used to reset the rack (808) after the transmission gear (807) disengages from the rack (808).

10. The intermittent automatic winding device for thin adhesive tape according to claim 1, characterized in that, The fixing seat (1) is also provided with a tensioning element (4); The tensioning member (4) includes a tensioning frame (401) fixedly mounted on a fixed base (1). The tensioning frame (401) has a sliding groove, and a first spring column (402) is fixedly mounted in the sliding groove. One end of the first spring column (402) is fixedly connected to a slider (403) that slides and engages with the side wall of the sliding groove. A tensioning roller (404) that supports the tape is rotatably mounted on the slider (403).

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