Lower plastic for die-cutting secondary battery cover plate
Through the cutting mold processing technology of mold cutting of plastic under the secondary battery cover, the problems of low production efficiency and brittle product texture in the existing injection molding process are solved, efficient and precise production is achieved, and the plastic under the battery cover is improved. cost-effective.
Patent Information
- Application Number
- CN202421180567.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The existing plastic under the battery cover plate is processed and produced through injection molding, resulting in low production efficiency and brittle and hard product texture, and poor use effect.
The plastic under the secondary battery cover plate is used to cut the mold and process the plate body, folded edges and crease lines are formed, combining double-sided adhesive and electrolyte-resistant double-sided adhesive to improve production efficiency and dimensional accuracy.
It improves production efficiency and dimensional accuracy, avoids the problem of product brittleness and hardness in the injection molding process, and improves the cost-effectiveness of plastic under the battery cover.
Smart Images
Figure CN222530773U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of battery accessory production, and specifically relates to a die-cut plastic under a secondary battery cover. Background Art
[0002] The battery cover is a component used to encapsulate the single battery in conjunction with the battery shell. The plastic under the battery cover is a special component set at the bottom of the battery cover to provide insulation, heat insulation or corrosion resistance. The existing plastic under the battery cover is generally produced by injection molding, which has low production efficiency and the injection molded product is brittle and hard, and the effect is poor during use. Utility Model Content
[0003] In view of this, the present application provides a die-cut plastic under the secondary battery cover to solve all or part of the technical problems described in the background technology section of the present application.
[0004] The die-cut secondary battery cover lower plastic provided by the present application to solve the technical problem is:
[0005] A die-cut secondary battery cover lower plastic, characterized in that it comprises a plate body and a folded edge, a crease line is arranged between the plate body and the folded edge; the crease line comprises a plurality of material removal portions and a plurality of connection portions.
[0006] Preferably, the removal portion and the connection portion are evenly spaced to form crease lines.
[0007] Preferably, the removal portion has a rectangular structure.
[0008] Preferably, the plate body has a rectangular structure, and the folded edge has a rectangular structure.
[0009] Preferably, there are four folded edges, which are respectively arranged on four sides of the plate body.
[0010] Preferably, the crease line is a straight line structure or a curved line structure.
[0011] Preferably, the plate body is further provided with a first pole hole and a second pole hole.
[0012] Preferably, explosion-proof holes and liquid injection holes are also provided on the plate body.
[0013] Preferably, the die-cut plastic under the secondary battery cover also includes double-sided tape, and the double-sided tape is arranged on the plate body.
[0014] Preferably, the die-cut plastic under the secondary battery cover also includes electrolyte-resistant double-sided adhesive tape, and the electrolyte-resistant double-sided adhesive tape is arranged around the first pole hole and the second pole hole.
[0015] Beneficial technical effects:
[0016] The die-cut plastic under the secondary battery cover disclosed in the present application processes the plastic under the secondary battery cover by cutting the mold, has high production efficiency, high product shape and size accuracy, and can avoid technical problems such as brittle and hard product texture that occur in the injection molding process, which is beneficial to improving production efficiency and dimensional accuracy and improving the cost-effectiveness of the plastic under the secondary battery cover.
[0017] The technical solution and technical effects of the present application are described in detail below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 : Schematic diagram of the plastic structure under the secondary battery cover;
[0019] Figure 2 : Schematic diagram of plastic gluing under the secondary battery cover;
[0020] Figure 3 : Enlarged view of the crease line structure.
[0021] Icon Description:
[0022] 10-plate body, 20-folded edge;
[0023] 30- crease line, 310- material removal part, 320- connection part;
[0024] 40-first pole hole, 50-second pole hole, 60-explosion-proof hole, 70-liquid injection hole, 80-double-sided tape, 90-electrolyte-resistant double-sided tape. DETAILED DESCRIPTION
[0025] See also Figure 1-Figure 3 The die-cut secondary battery cover lower plastic disclosed in the present application includes a plate body 10 and a folded edge 20 .
[0026] The plate body 10 and the folded edges 20 both have a rectangular structure. There are four folded edges 20, which are respectively arranged around the plate body 10. Crease lines 30 with a straight line structure are arranged between the plate body 10 and the four folded edges 20. The folded edges 30 are used to fold the folded edges 20 on the plate body 10.
[0027] The crease line 30 is a straight line structure, including a plurality of material removal portions 310 and a plurality of connecting portions 320. The material removal portions 310 have a rectangular structure. The material removal portions 310 and the connecting portions 320 are evenly spaced to form the crease line 30.
[0028] In a modified embodiment of the present application, the plate body 10 is further provided with a first pole hole 40 , a second pole hole 50 , an explosion-proof hole 60 and a liquid injection hole 70 .
[0029] In another variation of the present application, the die-cut plastic under the secondary battery cover further includes a double-sided tape 80 , and the double-sided tape 80 is adhered to the plate body 10 .
[0030] In another variation of the present application, the die-cut plastic under the secondary battery cover further includes an electrolyte-resistant double-sided adhesive tape 90 , and the electrolyte-resistant double-sided adhesive tape 90 is disposed around the first pole hole 40 and the second pole hole 50 .
[0031] Instructions for use: The plastic under the secondary battery cover provided by this application is attached to the bottom of the battery cover by double-sided tape, or attached to the bottom of the battery cover by hot melt (in the embodiment without double-sided tape), and the four folded edges are folded along the crease lines around the four sides, which can provide insulation, heat insulation or corrosion resistance for the battery or battery cell under the battery cover. Therefore, the die-cut plastic under the secondary battery cover disclosed in this application is processed by cutting the plastic under the secondary battery cover, which has high production efficiency, high product shape and position dimensional accuracy, is easy to use, and can avoid technical problems such as brittle and hard product texture in the injection molding process, which is conducive to improving production efficiency and dimensional accuracy, and improving the cost performance of the plastic under the secondary battery cover.
[0032] The technical scheme and technical effects of the present application are described in detail above in combination with the drawings and specific embodiments of the specification. It should be noted that technicians in this field can also develop other embodiments on this basis; any simple deformation and equivalent substitution that does not deviate from the innovative concept of the present application are covered by the present application and belong to the scope of protection of this patent.
Claims
1. A die-cutting plastic under the secondary battery cover, characterized in that: It comprises a plate body (10) and a folded edge (20), wherein a crease line (30) is provided between the plate body (10) and the folded edge (20); The crease line (30) comprises a plurality of material removal portions (310) and a plurality of connection portions (320).
2. The die-cutting plastic under the secondary battery cover according to claim 1, characterized in that: The material removal portion (310) and the connection portion (320) are evenly spaced to form the crease line (30).
3. The die-cutting plastic under the secondary battery cover according to claim 2, characterized in that: The material removal portion (310) has a rectangular structure.
4. The die-cutting plastic under the secondary battery cover according to claim 1, characterized in that: The plate body (10) has a rectangular structure, and the folded edge (20) has a rectangular structure.
5. The die-cutting plastic under the secondary battery cover according to claim 4, characterized in that: The number of the folded edges (20) is four, and they are respectively arranged on four sides of the plate body (10).
6. The die-cutting plastic under the secondary battery cover according to claim 1, characterized in that: The crease line (30) is a straight line structure or a curved line structure.
7. The die-cutting plastic under the secondary battery cover according to claim 1, characterized in that: The plate body (10) is also provided with a first pole hole (40) and a second pole hole (50).
8. The die-cutting plastic under the secondary battery cover according to claim 1, characterized in that: The plate body (10) is also provided with an explosion-proof hole (60) and a liquid injection hole (70).
9. The die-cutting plastic under the secondary battery cover according to claim 7, characterized in that: The die-cut secondary battery cover lower plastic also includes a double-sided adhesive tape (80), and the double-sided adhesive tape (80) is arranged on the plate body (10).
10. The die-cutting plastic under the secondary battery cover according to claim 9, characterized in that: The die-cut secondary battery cover lower plastic also includes an electrolyte-resistant double-sided adhesive tape (90), and the electrolyte-resistant double-sided adhesive tape (90) is arranged around the first pole hole (40) and the second pole hole (50).