Production process and application of special hole plugging adhesive tape for lithium battery
By designing a rotating mechanism and a scraping mechanism, the problems of paper tube misalignment and poor adhesion during the winding process of transparent tape were solved, achieving stable winding and efficient use of lithium battery-specific plugging tape.
Patent Information
- Application Number
- CN202511495572.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-20
- Publication Date
- 2026-01-30
AI Technical Summary
Existing transparent tapes are prone to paper tube shifting or slipping during the winding process, affecting the winding effect. In addition, the tapes have poor adhesion and low efficiency.
The production process of lithium battery-specific plugging tape is adopted. Through the design of the rotation mechanism and scraping mechanism, the automatic scraping and convenient replacement of the tape head is achieved by the cooperation of the rotating shaft cover, push rod, locking rod, slot, fixing plate, extension plate and scraper. Combined with the buffer reset effect of the reset spring, the ease of use and reset effect of the device are improved.
It enables automatic scraping and convenient replacement of the tape head, improving the ease of use and adhesion of the tape, and ensuring stable winding and efficient use of the tape.
Smart Images

Figure CN121425879A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of hole-plugging adhesive tape, in particular to a production process and application of hole-plugging adhesive tape special for lithium batteries. BACKGROUND
[0002] As a common household item, transparent adhesive tape can be used for packaging and repairing objects. During the processing of transparent adhesive tape, a pipe threading machine is usually used to thread the cut paper tube, and then a roller with the threaded paper tube is used to wind the adhesive tape. However, the conventional pipe threading machine uses friction to fix the paper tube on the roller. After a long time of use, the friction between the paper tube and the roller decreases, which may cause the adhesive tape to deviate or slip during winding, thereby affecting the winding effect of the adhesive tape and causing economic losses.
[0003] To solve the above problems, a patent with the publication number CN119929562A proposes a kind of adhesive tape and its preparation process. The scheme controls the second motor to drive the plug rod to rotate the winding drum to wind the adhesive tape, the pressure roller contacts the surface of the winding drum to compact the adhesive tape and clean the surface of the adhesive tape. The winding drum is disassembled to take out the adhesive tape roll. The present application can ensure that the distance between each paper tube is equal and firmly fixed on the roller when winding the adhesive tape.
[0004] However, the patent still has some limitations in actual application. Specifically, the existing adhesive tape process is also poor, which may weaken the adhesion of the adhesive tape. Before use, the head of the adhesive tape needs to be found. Sometimes the secrecy of the adhesive tape head is high, which greatly reduces the efficiency of using the adhesive tape. SUMMARY
[0005] The present application is to solve the problems in the background art and proposes a production process and application of hole-plugging adhesive tape special for lithium batteries.
[0006] To achieve the above-mentioned purpose, the present application adopts the following technical scheme: a production process and application of hole-plugging adhesive tape special for lithium batteries, including an adhesive tape body, a center support shaft is connected through the inside center of the adhesive tape body, a rotating mechanism and a scraping mechanism are arranged between the two ends of the center support shaft, the rotating mechanism includes rotating shaft rods rotatingly connected on the outer surfaces of the two sides of the center support shaft near the center, the two ends of each rotating shaft rod are fixedly connected with a side baffle, a fixed frame is fixedly connected between the top parts of the two side baffles, the scraping mechanism includes a push rod slidingly connected through the fixed frame, a fixed plate is fixedly connected to the bottom end of the push rod, an extension plate is snap-connected to the bottom of the fixed plate, and a scraper is fixedly connected to the bottom of the extension plate.
[0007] In the production process and application of the hole-plugging adhesive tape special for lithium batteries, the top end of the push rod is fixedly connected with a rotating shaft cover, a damping spring is fixedly sleeved on the outer surface of the push rod, and the top end of the damping spring is welded with the bottom of the rotating shaft cover.
[0008] In the production process and application of the hole-plugging adhesive tape special for lithium batteries, a clamping groove is formed in the side of the top of the fixed frame close to the push rod, and a clamping rod is arranged on the outer surface of the push rod and clamped with the clamping groove.
[0009] In the production process and application of the hole-plugging adhesive tape special for lithium batteries, the bottom of the fixed frame is fixedly connected with hollow pipes at the edges close to the two sides, reset springs are fixedly welded on the inner top surfaces of the two hollow pipes, and pressing plates are fixedly connected with the bottom ends of the two reset springs and are slidingly connected with the hollow pipes.
[0010] In the production process and application of the hole-plugging adhesive tape special for lithium batteries, the bottom of the fixed frame is fixedly connected with hollow pipes at the edges close to the two sides, reset springs are fixedly welded on the inner top surfaces of the two hollow pipes, and pressing plates are fixedly connected with the bottom ends of the two reset springs and are slidingly connected with the hollow pipes.
[0011] In the production process and application of the hole-plugging adhesive tape special for lithium batteries, the bottom of the fixed frame is fixedly connected with hollow pipes at the edges close to the two sides, reset springs are fixedly welded on the inner top surfaces of the two hollow pipes, and pressing plates are fixedly connected with the bottom ends of the two reset springs and are slidingly connected with the hollow pipes.
[0012] In the production process and application of the hole-plugging adhesive tape special for lithium batteries, the adhesive tape body comprises a base material PET, a treatment layer, a composite acrylic emulsion adhesive film layer and a release paper layer.
[0013] In the production process and application of the hole-plugging adhesive tape special for lithium batteries, the top of the base material PET is provided with a treatment layer, the bottom of the adhesive tape body is fixedly pasted with a composite acrylic emulsion adhesive film layer, and the bottom of the composite acrylic emulsion adhesive film layer is provided with a release paper layer.
[0014] Compared with the prior art, the advantages of the present application are that: I. The rotating mechanism is rotated, so that the fixed frame rotates on the adhesive tape body, the scraping mechanism is conveniently rotated, the fixed plate rotates with the fixed frame, the extension plate drives the scraper to scrape on the surface of the adhesive tape body, so that the adhesive tape head on the adhesive tape body is scraped out, the adhesive tape body is conveniently used, the use convenience of the device is improved, and after the extension plate and the fixed plate are detached, the extension plate and the scraper are conveniently detached, so that the device is conveniently replaced with a scraper.
[0015] II. By pressing and actively rotating the shaft cover, the rotating shaft cover will drive the push rod to push, causing the clamping rod to be clamped in the slot, so that the push rod can easily push the fixed plate, and the fixed plate can drive the extension plate and the scraper to adhere to the tape body, so that the tape body can be scraped and the tape head can be easily taken and used.
[0016] III. By rotating the disc, the connecting short rod can be driven to rotate, and the rotating mechanism can be driven to rotate, and the scraping mechanism can be driven to rotate. During the scraping process, the supporting short rod can drive the pressing plate to slide in the hollow tube, so that the reset spring can be easily buffered and reset, so that the device can be easily controlled effectively, and the reset effect of the device is improved, so that the push rod can be easily pushed and reset. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a front perspective structure schematic diagram of the present application; Figure 2 is a side internal section structure schematic diagram of the present application; Figure 3 is a rotating mechanism part structure schematic diagram of the present application; Figure 4 is a tape body internal analysis structure schematic diagram of the present application; Figure 5 is a Figure 3 enlarged structure schematic diagram of A in the present application; Figure 6 is a Figure 2 enlarged structure schematic diagram of B in the present application.
[0018] In the drawings: 1, tape body; 2, center support shaft; 3, rotating shaft; 4, side baffle; 5, fixed frame; 6, push rod; 7, rotating shaft cover; 8, shock absorbing spring; 9, clamping groove; 10, clamping rod; 11, fixed plate; 12, extension plate; 13, scraper; 14, hollow tube; 15, reset spring; 16, pressing plate; 17, supporting short rod; 18, connecting short rod; 19, rotating disc; 101, base material PET; 102, treatment layer; 103, composite acrylic emulsion film layer; 104, release paper layer. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.
[0020] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0021] Referring to Figures 1-6 The production process and application of a special hole-plugging adhesive tape for lithium batteries include an adhesive tape body 1, a center support shaft 2 penetratingly connected at the inner center of the adhesive tape body 1, a rotating mechanism and a scraping mechanism provided between the two ends of the center support shaft 2, the rotating mechanism including rotating shaft rods 3 rotatingly connected on the outer surfaces of the center support shaft 2 on both sides near the center, both ends of the two rotating shaft rods 3 being fixedly connected with side baffles 4, the top portions of the two side baffles 4 being fixedly connected with a fixed frame 5, the scraping mechanism including a push rod 6 slidingly penetratingly connected on the fixed frame 5, the bottom end of the push rod 6 being fixedly connected with a fixed plate 11, the bottom of the fixed plate 11 being snap-connected with an extension plate 12, and the bottom of the extension plate 12 being fixedly connected with a scraper 13.
[0022] The rotating mechanism is rotated, so that the fixed frame 5 rotates on the adhesive tape body 1, the scraping mechanism is conveniently rotated, the fixed plate 11 rotates with the fixed frame 5, the extension plate 12 drives the scraper 13 to scrape on the surface of the adhesive tape body 1, the adhesive tape head on the adhesive tape body 1 is conveniently scraped out, the adhesive tape body 1 is conveniently used, the use convenience of the device is improved, and after the extension plate 12 and the fixed plate 11 are detached, the extension plate 12 and the scraper 13 are conveniently detached, so that the device is conveniently replaced with the scraper 13.
[0023] The top end of the push rod 6 is fixedly connected with a rotating shaft cover 7, a damping spring 8 is fixedly sleeved on the outer surface of the push rod 6, and the top end of the damping spring 8 and the bottom of the rotating shaft cover 7 are welded, the bottom end of the damping spring 8 and the top of the fixed frame 5 are welded, a clamping groove 9 is formed in the side of the top of the fixed frame 5 close to the push rod 6, and a clamping rod 10 is arranged on the outer surface of the push rod 6 and snap-connected with the clamping groove 9.
[0024] In addition, when the device is scraped, the rotating shaft cover 7 drives the push rod 6 to push by being pressed and actively rotated, so that the clamping rod 10 is snap-connected with the clamping groove 9, the push rod 6 conveniently pushes the fixed plate 11, the fixed plate 11 conveniently drives the extension plate 12 and the scraper 13 to adhere to the adhesive tape body 1, the adhesive tape body 1 is conveniently scraped with the adhesive tape head, and the adhesive tape body 1 is conveniently taken and used.
[0025] Hollow tubes 14 are fixedly connected to the bottom of the fixed frame 5 near the edges on both sides. Return springs 15 are fixedly welded to the top surface inside the two hollow tubes 14. Pressure plates 16 are fixedly connected to the bottom ends of the two return springs 15, and the pressure plates 16 are slidably connected to the hollow tubes 14. Support rods 17 are fixedly connected to the bottom of the two pressure plates 16, and one end of the support rods 17 extends to the outside of the hollow tubes 14 and is fixedly connected to the fixed plate 11. A connecting rod 18 is fixedly connected to the outer surface of one side of the side baffle 4 near the center, and a rotating disk 19 is fixedly connected to one end of the connecting rod 18.
[0026] It is worth noting that by rotating the rotating disk 19, the connecting short rod 18 can be driven to rotate, which in turn causes the rotating mechanism to rotate. The rotating mechanism will drive the scraping mechanism to rotate. During the scraping process, the supporting short rod 17 will drive the pressure plate 16 to slide inside the hollow tube 14, which will make it easier for the return spring 15 to perform buffer reset. This makes the device easier to control effectively, improves the reset effect of the device, and makes it easier for the push rod 6 to push and reset.
[0027] The tape body 1 includes a substrate PET 101, a treatment layer 102, a composite acrylic emulsion film layer 103, and a release paper layer 104. The treatment layer 102 is provided on the top of the substrate PET 101, the composite acrylic emulsion film layer 103 is fixedly adhered to the bottom of the tape body 1, and the release paper layer 104 is provided at the bottom of the composite acrylic emulsion film layer 103.
[0028] Finally, it should be added that the adhesive has a viscosity of 500-1000g / 25mm. The PET substrate surface needs to be treated with a special primer using 3M94 solvent. The PET101 substrate is either ultra-thin PET or PVC. The PET101 substrate should be selected with suitable tensile strength and reasonable dimensional stability. At the same time, this material is relatively easy to produce, environmentally friendly, and low in cost. In addition, the adhesive does not contain benzene-based volatile substances or other organic irritating volatile solvents. Throughout the entire production and use process, it is non-toxic, pollution-free, green, and environmentally friendly, ensuring safety and harmlessness for users.
[0029] The specific working principle and use method of the application are explained in detail as follows: in use, the first step is to rotate the rotating mechanism, so that the fixed frame 5 rotates on the adhesive tape body 1, so that the scraping mechanism is convenient to rotate, the fixed plate 11 rotates with the fixed frame 5, and the extension plate 12 drives the scraper 13 to scrape on the surface of the adhesive tape body 1, so as to scrape the adhesive tape head on the adhesive tape body 1, facilitate the use of the adhesive tape body 1, improve the use convenience of the device, and after the extension plate 12 and the fixed plate 11 are disassembled, the extension plate 12 and the scraper 13 are convenient to disassemble, so as to facilitate the replacement of the scraper 13 of the device; The second step is to press and actively rotate the shaft cover 7, so that the rotating shaft cover 7 drives the push rod 6 to push, so that the clamping rod 10 is clamped with the slot 9, so that the push rod 6 is convenient to push the fixed plate 11, and the fixed plate 11 is convenient to drive the extension plate 12 and the scraper 13 to adhere to the adhesive tape body 1, so as to facilitate the scraping of the adhesive tape head of the adhesive tape body 1, and facilitate the taking and adhering use; The third step is to rotate the disc 19, so as to drive the connecting short rod 18 to rotate, and then drive the rotating mechanism to rotate, and the rotating mechanism drives the scraping mechanism to rotate, and in the scraping process, the supporting short rod 17 drives the pressing plate 16 to slide in the hollow tube 14, so that the reset spring 15 is convenient to reset, so that the device is convenient to control effectively, and the reset effect of the device is improved, so that the push rod 6 is convenient to push and reset.
[0030] The production process of the lithium battery box body capable of removing single-sided adhesive tape specifically includes the following steps: a, select the base material PET, first pre-coat a layer of primer 3M94 on the PET base material; b, set the temperature value range of the electric heating air drying oven to 60~100℃, and set the electric heating air drying oven to several temperature different drying area temperatures in turn as 70℃, 72℃, 75℃, 78℃, 80℃, 82℃ and 85℃, pass the PET pre-coated with the primer through the drying oven in the form of take-up and pay-off, the speed is 20m / min, and after winding, it is ready for use; c, apply the composite acrylic emulsion to the primer surface of the PET film ready for use, and pass through the oven, the oven temperature is 60℃, 72℃, 75℃, 100℃, 120℃, 82℃ and 65℃ in turn, and the speed is 10m / min~30m / min; d, after the electric heating air drying oven, cooling roll cooling, while the release paper is covered in the glue surface, and together with the winding, the base material PET101 select the tensile strength is appropriate, the size stability is reasonable, and the material is easy to make, environmental protection, low cost, in addition, the adhesive does not contain benzene series volatile substances and other organic irritating volatile solvents, and there is no toxic and harmful substances in the whole production and use process, which is green and environmental protection, and ensures the safety and harmlessness of the user, has 90℃ adhesion, still has strong adhesion after 4~5 times, and there is no residual glue phenomenon after peeling off after 3 days of one-time glue sticking.
[0031] Further, the fixed connection should be understood in a broad sense unless otherwise specified and limited, for example, it can be welded, glued, or integrally formed with other conventional means familiar to those skilled in the art.
[0032] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art in the technical range disclosed by the present application, according to the technical scheme and the inventive concept of the present application, equivalent replacement or change, should be covered in the protection scope of the present application.
Claims
1. A production process and application of a special hole-plugging adhesive tape for lithium batteries, comprising a tape body (1), characterized in that: The center support shaft (2) is connected through the inside center of the adhesive tape body (1), rotating mechanism and scraping mechanism are arranged between the two ends of the center support shaft (2), the rotating mechanism comprises rotating shaft rods (3) which are rotatably connected on the both sides of the outer surface of the center support shaft (2) near the center, the both ends of the two rotating shaft rods (3) are fixedly connected with side baffles (4), the top of the two side baffles (4) is fixedly connected with a fixed frame (5), the scraping mechanism comprises a push rod (6) which is slidingly connected on the fixed frame (5), the bottom end of the push rod (6) is fixedly connected with a fixed plate (11), the bottom of the fixed plate (11) is clampedly connected with an extension plate (12), and the bottom of the extension plate (12) is fixedly connected with a scraping plate (13). 2. The production process and application of the hole-plugging adhesive tape for lithium batteries according to claim 1, characterized in that: The top end of the push rod (6) is fixedly connected with a rotating shaft cover (7), the outer surface of the push rod (6) is fixedly sleeved with a damping spring (8), and the top end of the damping spring (8) and the bottom of the rotating shaft cover (7) are welded, and the bottom end of the damping spring (8) and the top of the fixed frame (5) are welded.
3. The production process and application of the hole-plugging adhesive tape for lithium batteries according to claim 2, characterized in that: The top of the fixed frame (5) is provided with a clamping groove (9) on the side near the push rod (6), and the outer surface of the push rod (6) is provided with a clamping rod (10) which is clampedly connected with the clamping groove (9).
4. The production process and application of the hole-plugging adhesive tape for lithium batteries according to claim 1, characterized in that: The bottom of the fixed frame (5) is fixedly connected with hollow pipes (14) near the edges of the two sides, reset springs (15) are fixedly welded on the inner top surfaces of the two hollow pipes (14), the bottom ends of the two reset springs (15) are fixedly connected with pressing plates (16), and the pressing plates (16) are slidingly connected with the hollow pipes (14).
5. The production process and application of the hole-plugging adhesive tape for lithium batteries according to claim 4, characterized in that: The bottom of the pressing plate (16) is fixedly connected with a supporting short rod (17), and one end of the supporting short rod (17) extends to the outside of the hollow pipe (14) and is fixedly connected with the fixed plate (11).
6. The production process and application of the hole-plugging adhesive tape for lithium batteries according to claim 5, characterized in that: One side of the side baffle (4) is fixedly connected with a connecting short rod (18) near the center, and one end of the connecting short rod (18) is fixedly connected with a rotating disc (19).
7. The production process and application of the hole-plugging adhesive tape for lithium batteries according to claim 6, characterized in that: The adhesive tape body (1) comprises a substrate PET (101), a treatment layer (102), a composite acrylic emulsion adhesive film layer (103) and a release paper layer (104).
8. The production process and application of the hole-plugging adhesive tape for lithium batteries according to claim 1, characterized in that: The top of the substrate PET (101) is provided with the treatment layer (102), the bottom of the adhesive tape body (1) is fixedly pasted with the composite acrylic emulsion adhesive film layer (103), and the bottom of the composite acrylic emulsion adhesive film layer (103) is provided with the release paper layer (104).
Citation Information
Patent Citations
Adhesive tape and preparation process thereof
CN119929562A