Battery sleeve film positioning device

By adopting a combined structure of a bidirectional screw and a limiting roller on the battery production line, flexible adjustment of the battery film positioning device is achieved, solving the problem of limited positioning accuracy in the existing technology and improving battery performance and the adaptability of the production line.

CN223378199UActive Publication Date: 2025-09-23NINGBO YIYANG NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202421337604.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-09-23
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

Existing battery film positioning devices are only suitable for batteries of specific sizes or shapes, which limits the flexibility of the production line and may also limit positioning accuracy, affecting the fit between the battery film and the battery.

Method used

A positioning device including a heat shrink oven body, a material transfer assembly, a film guide and a film positioning member is adopted. Through the combined structure of a bidirectional screw and a limiting roller, the spacing between the limiting rollers can be adjusted to improve positioning accuracy and adaptability.

Benefits of technology

The fit between the battery film and the battery is improved, the performance and safety of the battery are enhanced, and the adaptability and convenience of the production line are enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a battery sleeve film positioning device which comprises a thermal shrinkage drying oven body and a material conveying assembly arranged on one side of the top of the thermal shrinkage drying oven body. Comprising a film sleeving guide part, the film sleeving guide part is arranged on the other side of the top of a thermal shrinkage oven body, an adjusting part is arranged on one side of the film sleeving guide part, a film sleeving positioning part is arranged below the film sleeving guide part, and the film sleeving positioning part comprises a two-way screw, a threaded block and a third limiting roller. The driving part is started to drive the two third limiting rollers to move face to face or back to back, so that the distance between the two third limiting rollers is changed and adjusted, various battery sleeve film models can be flexibly processed, a positioning device does not need to be frequently replaced or a production line does not need to be frequently adjusted, the adaptability and flexibility of the production line are improved, and the production efficiency is improved. And moreover, the precision positioning is improved, and the fitting degree between the battery sleeve film and the battery is favorably improved, so that the performance and the safety of the battery are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery casing films, in particular to a battery casing film positioning device. Background Art

[0002] Battery film, also known as battery separator or battery membrane, plays a vital role in batteries. Its main functions and effects are: first, isolating the positive and negative electrodes. The battery film can effectively isolate the positive and negative electrodes of the battery, preventing them from direct contact and causing a short circuit. This is a key measure to ensure battery safety and stability. Second, it is to transfer ions. The battery film has a certain ionic conductivity, which allows lithium ions to transfer freely within the battery, thereby realizing the battery's charge and discharge process. The ionic conductivity of the separator directly affects the battery's charge and discharge rate and efficiency.

[0003] Battery film sleeves need to be positioned before entering the heat shrink oven so that they can better adapt to the heat shrinking process and achieve a tighter bond between the film sleeve and the battery. However, the positioning device is only suitable for batteries of specific sizes or shapes, which will limit the flexibility of the production line and cannot be adjusted according to needs. The positioning accuracy may be limited, resulting in less than ideal fit between the battery film sleeve and the battery, which in turn affects the overall performance of the battery. Therefore, a battery film sleeve positioning device is proposed. Utility Model Content

[0004] Based on this, it is necessary to provide a battery casing positioning device to address the above technical problems, wherein the positioning structure realizes the adjustment function to be applicable to various production situations.

[0005] In order to solve the above technical problems, the present invention solves the problem that the positioning device is only suitable for batteries of a specific size or shape through the following technical solutions, which will limit the flexibility of the production line, cannot be adjusted according to needs, and the positioning accuracy may be limited.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A battery casing positioning device, comprising:

[0008] A heat shrink oven body and a material transfer assembly, wherein the material transfer assembly is arranged on one side of the top of the heat shrink oven body;

[0009] The film guide is arranged on the other side of the top of the heat shrink oven body, an adjustment part is provided on one side of the film guide, and a film positioning part is provided below the film guide. The film positioning part includes a bidirectional screw, a threaded block and a limiting roller.

[0010] As a preferred embodiment of the battery film positioning device provided by the present invention, the material transfer assembly includes a stand fixedly mounted on one side of the top of the heat shrink oven body, the inner cavity of the stand is equipped with a conveyor belt and a conveyor roller, and the conveyor roller is located on one side of the conveyor belt.

[0011] As a preferred embodiment of the battery film positioning device provided by the present invention, the film guide includes a fixed seat fixedly connected to the top of the heat shrink oven body, and a driving member is installed on one side of the inner cavity of the fixed seat. The driving member is a motor, and the output shaft of the driving member is transmission-connected to a limiting roller 1, and one end of the limiting roller 1 is movably connected to the inner side of the fixed seat.

[0012] As a preferred embodiment of the battery film positioning device provided by the present invention, the film guide also includes a limiting roller 2, which is located on one side of the limiting roller 1. One end of the limiting roller 2 is fixedly connected to a mounting plate, and the mounting plate is in contact with the fixing seat.

[0013] As a preferred embodiment of the battery film positioning device provided by the present invention, the adjusting member includes two connecting rods fixedly connected to one side of the mounting plate, the surface of the connecting rod is threadedly sleeved with a positioning ring, one side of the fixing seat is provided with a through hole for the connecting rod to move, and the positioning ring is located on the outside of the through hole and abuts against the outside of the fixing seat.

[0014] As a preferred embodiment of the battery film positioning device provided by the present invention, the gap between the conveying roller and the conveyor belt is located directly above the gap between the first limiting roller and the second limiting roller.

[0015] As a preferred embodiment of the battery film positioning device provided by the present invention, the bidirectional screw movably passes through the inner cavity of the fixed seat, and threaded blocks are threadedly sleeved on both sides of the surface of the bidirectional screw. A limiting roller three is installed on one side of the threaded block, and two limit blocks are fixedly connected to the other side of the threaded block.

[0016] As a preferred embodiment of the battery casing positioning device provided by the present invention, two sliding grooves for the movement of the limiting block are provided on one side of the inner cavity of the fixing seat.

[0017] As a preferred embodiment of the battery film positioning device provided by the present invention, it also includes a driving assembly, which includes a support fixedly connected to the outside of the fixed seat, and a driving part is fixedly installed on the inner side of the support. The driving part is specifically a motor, and the output shaft of the driving part is transmission-connected to gear 1.

[0018] As a preferred embodiment of the battery casing positioning device provided by the present invention, one end of the bidirectional screw surface is fixedly connected to a second gear, and the second gear is meshed with the first gear for transmission.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The present invention provides a battery film casing positioning device. Activating a drive unit can drive two limiting rollers to move toward or away from each other, thereby changing the distance between the two limiting rollers to achieve adjustment. This device can flexibly handle a variety of battery film casing models without the need for frequent replacement of positioning devices or production line adjustments, thereby improving the adaptability and flexibility of the production line and enhancing precision positioning, which helps to improve the fit between the battery film casing and the battery, thereby improving battery performance and safety.

[0021] 2. The utility model provides a battery film positioning device. By rotating the positioning ring until it is disengaged from the surface of the connecting rod, the position of the limiting roller 2 can be flexibly moved, and the limiting roller 2 can be quickly installed and disassembled, thereby improving convenience during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 Provides a schematic diagram of the overall three-dimensional structure of the utility model;

[0024] Figure 2 A schematic diagram of the right-side stereoscopic structure provided by the utility model;

[0025] Figure 3 A schematic diagram of a partial three-dimensional structure provided by the utility model;

[0026] Figure 4 Provided for the utility model Figure 3 Schematic diagram of the left-view stereoscopic structure;

[0027] Figure 5 The utility model provides a schematic diagram of the split three-dimensional structure of the positioning ring;

[0028] Figure 6 The utility model provides a schematic diagram of the split three-dimensional structure of the membrane positioning piece.

[0029] The markings in the figure are as follows:

[0030] 1. Heat shrink oven body; 2. Material transfer assembly; 21. Stand; 22. Conveyor belt; 23. Conveyor roller; 3. Film guide; 31. Fixed seat; 32. Limit roller 1; 33. Limit roller 2; 34. Mounting plate; 4. Adjustment member; 41. Connecting rod; 42. Positioning ring; 43. Through hole; 5. Film positioning member; 51. Bidirectional screw; 52. Threaded block; 53. Limit roller 3; 54. Limit block; 55. Slide; 6. Drive assembly; 61. Support; 62. Drive unit; 63. Gear 1; 64. Gear 2. DETAILED DESCRIPTION

[0031] In order to help those skilled in the art better understand the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0032] Example 1

[0033] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 A battery film positioning device comprises a heat shrink oven body 1 and a material transfer assembly 2, the material transfer assembly 2 being arranged on one side of the top of the heat shrink oven body 1; a film guide 3, the film guide 3 being arranged on the other side of the top of the heat shrink oven body 1, an adjusting member 4 being arranged on one side of the film guide 3, and a film positioning member 5 being arranged below the film guide 3, the film positioning member 5 comprising a bidirectional screw 51, a threaded block 52 and a limiting roller 53.

[0034] The conveyor belt 22 is fixedly mounted on the upper side of the heat shrink oven body 1, and the inner cavity of the conveyor belt 22 is provided with a conveyor belt 22 and a conveyor roller 23. The conveyor roller 23 is located on one side of the conveyor belt 22, and the conveyor belt 22 can convey the film so that the film is conveyed downward from between the conveyor roller 23 and the conveyor belt 22. The film guide member 3 includes a fixed seat 31 fixedly connected to the top of the heat shrink oven body 1, and a driving member is installed on one side of the inner cavity of the fixed seat 31. The driving member is a motor, and the output shaft of the driving member is connected to the limiting roller 1 32. One end of the limiting roller 1 32 is movably connected to the inner side of the fixed seat 31. The gap between the conveyor roller 23 and the conveyor belt 22 is located just above the gap between the limiting roller 1 32 and the limiting roller 2 33. When the film is conveyed downward from between the conveyor roller 23 and the conveyor belt 22, it is just conveyed to between the limiting roller 1 32 and the limiting roller 2 33. The bidirectional screw 51 movably passes through the inner cavity of the fixed seat 31. 1. Both sides of the surface of the screw block 52 are threadedly sleeved with a screw block 52, and a limit roller three 53 is installed on one side of the screw block 52. The film continues to be transmitted downward from between the limit roller 1 32 and the limit roller 2 33 to between the two limit rollers 3 53. The other side of the screw block 52 is fixedly connected to two limit blocks 54. One side of the inner cavity of the fixed seat 31 is provided with two slide grooves 55 for the movement of the limit block 54. The movement of the screw block 52 will drive the limit block 54 to slide in the inner cavity of the slide groove 55, thereby guiding the screw block 52 and preventing the screw block 52 from rotating with the rotation of the bidirectional screw 51. It also includes a driving assembly 6, which includes a support 61 fixedly connected to the outer side of the fixed seat 31. A driving part 62 is fixedly installed on the inner side of the support 61. The driving part 62 is specifically a motor. The output shaft of the driving part 62 is transmission-connected to a gear 1 63. One end of the surface of the bidirectional screw 51 is fixedly connected to a gear 2 64, and the gear 2 64 is meshed with the gear 1 63 for transmission.

[0035] Preferably, the film guide 3 also includes a second limiting roller 33, which is located on one side of the limiting roller 32, and one end of the second limiting roller 33 is fixedly connected to a mounting plate 34, which fits the fixing seat 31, and the adjusting member 4 includes two connecting rods 41 fixedly connected to one side of the mounting plate 34, and a positioning ring 42 is provided on the surface of the connecting rod 41. A through hole 43 for the connecting rod 41 to move is provided on one side of the fixing seat 31, and the positioning ring 42 is located on the outside of the through hole 43 and is against the outside of the fixing seat 31. By rotating the positioning ring 42 until it is disengaged from the surface of the connecting rod 41, the position of the second limiting roller 33 can be flexibly moved, and it is also convenient to quickly install and disassemble the second limiting roller 33, thereby improving convenience during use.

[0036] The use process of the battery film positioning device provided by the present invention is as follows: the conveyor belt 22 can convey the film, so that the film is conveyed downward from between the conveyor roller 23 and the conveyor belt 22, conveyed to between the limit roller 1 32 and the limit roller 2 33, and continued to be conveyed downward between the two limit rollers 3 53, and then enters the inner cavity of the heat shrink oven body 1 for subsequent heat shrinking work. When adjustment is required according to actual needs, the driving part 62 can be turned on, and the output shaft of the driving part 62 drives the gear 1 63 to rotate, and the gear 1 63 drives the gear 2 64 and the bidirectional screw 51 to rotate. The bidirectional screw 51 drives the two thread blocks 52 and the limit roller 3 53 to move toward or away from each other through the thread, so that the distance between the two limit rollers 3 53 can be adjusted.

[0037] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0038] Obviously, the embodiments described above are only some of the embodiments of the present invention, rather than all of the embodiments. The preferred embodiments of the present invention are given in the accompanying drawings, but they do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned specific embodiments, or to make equivalent replacements for some of the technical features therein. Any equivalent structure made using the contents of the present invention specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of protection of the present invention patent.

Claims

1. A battery film positioning device, characterized in that: It includes: A heat shrink oven body (1) and a material transfer assembly (2), wherein the material transfer assembly (2) is arranged on one side of the top of the heat shrink oven body (1); A film guide (3) is provided on the other side of the top of the heat shrink oven body (1), an adjusting member (4) is provided on one side of the film guide (3), a film positioning member (5) is provided below the film guide (3), and the film positioning member (5) includes a bidirectional screw (51), a threaded block (52) and a limiting roller (53).

2. A battery casing positioning device according to claim 1, characterized in that: The material transfer assembly (2) comprises a stand (21) fixedly mounted on one side of the top of the heat shrink oven body (1); a conveyor belt (22) and a conveyor roller (23) are mounted in the inner cavity of the stand (21); and the conveyor roller (23) is located on one side of the conveyor belt (22).

3. The battery casing positioning device according to claim 1, characterized in that: The film guide (3) includes a fixed seat (31) fixedly connected to the top of the heat shrink oven body (1), and a driving member is installed on one side of the inner cavity of the fixed seat (31). The driving member is a motor, and the output shaft of the driving member is connected to the limiting roller (32). One end of the limiting roller (32) is movably connected to the inner side of the fixed seat (31).

4. A battery film positioning device according to claim 3, characterized in that: The film guide (3) further includes a second limiting roller (33), the second limiting roller (33) being located on one side of the first limiting roller (32), one end of the second limiting roller (33) being fixedly connected to a mounting plate (34), and the mounting plate (34) being in contact with the fixing seat (31).

5. A battery casing positioning device according to claim 4, characterized in that: The adjusting member (4) comprises two connecting rods (41) fixedly connected to one side of the mounting plate (34); a threaded sleeve on the surface of the connecting rod (41) is provided with a positioning ring (42); a through hole (43) for the connecting rod (41) to move is opened on one side of the fixing seat (31); the positioning ring (42) is located outside the through hole (43) and abuts against the outside of the fixing seat (31).

6. A battery casing positioning device according to claim 2, characterized in that: The gap between the conveying roller (23) and the conveying belt (22) is located directly above the gap between the limiting roller 1 (32) and the limiting roller 2 (33).

7. The battery casing positioning device according to claim 1, characterized in that: The bidirectional screw (51) is movable and penetrates the inner cavity of the fixed seat (31). Both sides of the surface of the bidirectional screw (51) are threadedly sleeved with thread blocks (52). One side of the thread block (52) is installed with a limiting roller three (53), and the other side of the thread block (52) is fixedly connected to two limiting blocks (54).

8. The battery casing positioning device according to claim 3, characterized in that: Two sliding grooves (55) for the limit block (54) to move are provided on one side of the inner cavity of the fixing seat (31).

9. The battery casing positioning device according to claim 3, characterized in that: The invention also includes a driving assembly (6), wherein the driving assembly (6) includes a support (61) fixedly connected to the outside of the fixing seat (31), and a driving part (62) is fixedly installed on the inside of the support (61). The driving part (62) is specifically a motor, and the output shaft of the driving part (62) is transmission-connected to a gear 1 (63).

10. The battery casing positioning device according to claim 7, characterized in that: One end of the surface of the bidirectional screw (51) is fixedly connected to a second gear (64), and the second gear (64) is meshed with the first gear (63) for transmission.