Battery cell horizontal type shell entering device
By designing a horizontal shell-in-cell device for battery cells, using a clamping mechanism to clamp the battery cells and move them in a horizontal direction, the problems of inaccurate positioning of the battery cells, scratches and drops of welding slag during the assembly of lithium-ion batteries are solved, and more efficient battery cells are enclosed in quality and assembly reliability are achieved.
Patent Information
- Application Number
- CN202421033159.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-13
AI Technical Summary
During the assembly process of existing lithium-ion batteries, the battery cell and shell are inaccurately positioned, the battery cell is easily scratched, the cable is not firmly clamped, and the welding slag is easily dropped, which affects the battery performance.
A horizontal shell-entry device for battery cells is designed, including a support assembly, a moving device, a clamping mechanism and a positioning device. The clamping mechanism moves by driving the clamping jaws, clamping the battery cells and moving in a horizontal direction, ensuring that the battery cells are horizontally loaded into the shell structure.
Through the horizontal shell-injection device, ensure that the battery cell is installed in place, reduce the battery cell scratches and shell bounces, improve the quality of the shell, prevent welding slag from falling, and improve the accuracy and reliability of battery assembly.
Smart Images

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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of battery core processing, in particular to a horizontal battery core shell insertion device. Background Art
[0002] At present, in the normal production process of lithium-ion batteries, assembling the battery cell and the shell is an indispensable part of the process. Whether the process can be accurately controlled will directly affect the battery performance of the lithium-ion battery. In the prior art, lithium-ion batteries are generally assembled through corresponding battery assembly production lines. Specifically, the shell is placed vertically and the lithium-ion battery is vertically inserted into the shell. However, it is easy to cause inaccurate positioning and scratches on the battery cell, and the battery cell and the shell are easy to bounce apart due to loose fastening. In addition, after the shell insertion action is completed, welding is required between the two, and welding slag is easy to fall into the shell, which has an adverse effect on the assembly of lithium-ion batteries. Utility Model Content
[0003] In view of this, in order to solve the above problems, the purpose of the utility model is to provide a horizontal shell-entering device for battery cells, comprising: a support assembly, a moving device, a clamping mechanism and a positioning device, wherein the moving device is arranged on the support assembly, the positioning device is arranged on the support assembly, the positioning device is used to position a shell structure, the shell structure has an opening, the clamping mechanism can be movably arranged on the moving device in a horizontal direction, the clamping mechanism is used to clamp a battery cell body, and the battery cell body can be movably passed through the opening and extended into the shell structure;
[0004] Wherein, the clamping mechanism comprises: a driving device and two clamping jaws, wherein the driving device is arranged on the moving device, and the driving device is used to drive the movement of the two clamping jaws, and the two clamping jaws are at least movable to be in a first state or a second state;
[0005] When in the first state, the two clamping claws respectively abut against two sides of the battery cell body;
[0006] When in the second state, the two clamping jaws are arranged close to each other, and the distance between the two clamping jaws on the sides that are relatively far away from each other is smaller than the distance between the inner sides of the opening.
[0007] In another preferred embodiment, the support assembly includes: a support base and at least two support legs, the two support legs are respectively arranged at two ends of the lower surface of the support base, and the moving device and the positioning device are both arranged on the support base.
[0008] In another preferred embodiment, the moving device comprises: a motor, a transmission assembly and a linear moving module, the motor is transmission-connected to the linear moving module via the transmission assembly, and the clamping mechanism is movably disposed on the linear moving module.
[0009] In another preferred embodiment, the driving device includes: a base and a first cylinder assembly, the base is movably arranged on the moving device, the first cylinder assembly is arranged on the base, and the first cylinder assembly is used to drive the movement of the two clamping jaws.
[0010] In another preferred embodiment, the positioning device comprises: two shaping units, the two shaping units are arranged in sequence along the horizontal direction, and the two shaping units are clamped together on both sides of the shell structure along the horizontal direction.
[0011] In another preferred embodiment, the shaping unit includes: a second cylinder assembly, a movable frame and at least one first contact member, the second cylinder assembly is arranged on the support assembly, the second cylinder assembly is used to drive the movement of the movable frame, the first contact member is arranged on the movable frame, and the first contact member can be moved close to or away from the shell structure.
[0012] In another preferred embodiment, at least one supporting unit is provided between the two shaping units, and the upper end of the supporting unit abuts against the lower surface of the shell structure.
[0013] In another preferred embodiment, the support unit includes: a support frame and at least one second contact member, the support frame is fixedly disposed on the support assembly, the second contact member is disposed on the support frame, and the second contact member contacts the lower surface of the shell structure.
[0014] In another preferred embodiment, it further comprises: at least one first pressure sensing device, wherein the pressure sensing device is disposed in the clamping jaw.
[0015] In another preferred embodiment, it also includes: at least one second pressure sensing device and a guide frame, wherein the guide frame is arranged close to the opening, a through opening is formed on the inner side of the guide frame, the through opening is arranged opposite to the opening, and the second pressure sensing device is arranged on the inner side of the through opening.
[0016] Due to the adoption of the above technical solution, the utility model has the following positive effects compared with the prior art:
[0017] Through the application of the utility model, a shell insertion device suitable for horizontally loading battery cells into a casing is provided, which ensures that the battery cells are installed in place, ensures the gap between the two to facilitate subsequent accurate welding, prevents the battery cells from being scratched during the installation process and the shell insertion bounce phenomenon that may exist in subsequent processes as much as possible, and further improves the shell insertion quality of the battery cells. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is an overall schematic diagram of a horizontal battery cell shell insertion device of the utility model;
[0019] Figure 2 It is a partial schematic diagram of a horizontal battery cell shell insertion device of the utility model;
[0020] Figure 3 The utility model is a schematic diagram of a guide frame of a horizontal battery cell shell insertion device.
[0021] In the attached figure:
[0022] 1. Support assembly; 2. Moving device; 3. Clamping mechanism; 4. Positioning device; 5. Shell structure; 6. Opening; 7. Driving device; 8. Clamping claw; 9. Support seat; 10. Support leg; 11. Motor; 12. Tank chain; 13. Linear moving module; 14. Base; 15. First cylinder assembly; 16. Shaping unit; 17. Second cylinder assembly; 18. Moving frame; 19. First contact piece; 20. Support unit; 21. Support frame; 22. Second contact piece; 23. Second pressure sensing device; 24. Guide frame. DETAILED DESCRIPTION
[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.
[0024] like Figure 1 to Figure 2 As shown, a preferred embodiment of a horizontal shell-entering device for a battery cell is shown, comprising: a support assembly 1, a moving device 2, a clamping mechanism 3 and a positioning device 4, wherein the moving device 2 is arranged on the support assembly 1, the positioning device 4 is arranged on the support assembly 1, the positioning device 4 is used to position a shell structure 5, the shell structure 5 has an opening 6, the clamping mechanism 3 is arranged on the moving device 2 movably in the horizontal direction, the clamping mechanism 3 is used to clamp a battery cell body, and the battery cell body can be movably passed through the opening 6 and extended into the shell structure 5. Further, the battery cell body is clamped by the clamping mechanism 3 and driven to approach the positioned shell structure 5 in the horizontal direction with the cooperation of the moving device 2, so that the battery cell body is assembled into the shell structure 5 in a horizontal posture, and since the opening 6 is oriented in the horizontal direction during the whole process, the movement of the battery cell body is also in the horizontal direction, and the welding slag will not fall into the inside of the shell structure 5 during the subsequent welding.
[0025] Further, as a preferred embodiment, the clamping mechanism 3 includes: a driving device 7 and two clamping jaws 8, the driving device 7 is arranged on the moving device 2, and the driving device 7 is used to drive the movement of the two clamping jaws 8, and the two clamping jaws 8 are at least movable in the first state or the second state; when in the first state, the two clamping jaws 8 are respectively against the two sides of the battery body; when in the second state, the two clamping jaws 8 are arranged close to each other, and the spacing of the two clamping jaws 8 on the side that is relatively far away is smaller than the spacing of the inner side of the opening 6. Further, in the process of the battery body being inserted into the casing structure 5, the clamping jaws 8 are in the first state to extend the battery body of approximately half the length into the casing structure 5, and then the two clamping jaws 8 are separated and retreated, and then moved close to each other to be in the second state, so that the two clamping jaws 8 form a contact portion at one end along the moving direction of the moving device 2, and the battery body is continuously pushed through the contact portion until it is inserted into the casing.
[0026] Further, as a preferred embodiment, preferably in the second state, the two clamping jaws 8 are arranged in close contact.
[0027] Further, as a preferred embodiment, the clamping jaw 8 is preferably a flat rubber clamping jaw 8. Further, the clamping jaw 8 is prevented from causing damage to the outer surface of the battery cell body.
[0028] Further, as a preferred embodiment, a limiting groove is provided on the surface of the side where the two clamping jaws 8 are close to each other, and a radial protrusion is provided on the outer edge of one end of the battery cell body, and the limiting groove matches the radial protrusion.
[0029] Further, as a preferred embodiment, the support assembly 1 includes: a support base 9 and at least two support legs 10, the two support legs 10 are respectively arranged at the two ends of the lower surface of the support base 9, and the moving device 2 and the positioning device 4 are both arranged on the support base 9.
[0030] Further, as a preferred embodiment, the support seat 9 is preferably a plate-shaped structure extending in the horizontal direction, and the support leg 10 is preferably arranged in a square structure.
[0031] Further, as a preferred embodiment, the moving device 2 includes: a motor 11, a transmission assembly and a linear moving module 13, the motor 11 is transmission-connected to the linear moving module 13 via the transmission assembly, and the clamping mechanism 3 is movably disposed on the linear moving module 13.
[0032] Further, as a preferred embodiment, the mobile device 2 further includes: a tank chain 12, one end of the tank chain 12 is arranged on the support seat 9, and the other end of the tank chain 12 is connected to the clamping mechanism 3. Further, the tank chain 12 is used to accommodate the control circuit for controlling the clamping mechanism 3.
[0033] Further, as a preferred embodiment, the driving device 7 includes: a base 14 and a first cylinder assembly 15, the base 14 is movably arranged on the moving device 2, the first cylinder assembly 15 is arranged on the base 14, and the first cylinder assembly 15 is used to drive the movement of the two clamping jaws 8.
[0034] Further, as a preferred embodiment, the first cylinder assembly 15 preferably includes two first cylinders, and the two first cylinders respectively drive the movement of the two clamping jaws 8.
[0035] Further, as a preferred embodiment, the positioning device 4 includes: two shaping units 16, the two shaping units 16 are arranged in sequence along the horizontal direction, and the two shaping units 16 are clamped together on both sides of the shell structure 5 along the horizontal direction.
[0036] Further, as a preferred embodiment, the shaping unit 16 includes: a second cylinder assembly 17, a movable frame 18 and at least one first contact member 19, the second cylinder assembly 17 is arranged on the support assembly 1, the second cylinder assembly 17 is used to drive the movement of the movable frame 18, the first contact member 19 is arranged on the movable frame 18, and the first contact member 19 can be movably arranged close to or away from the shell structure 5.
[0037] Further, as a preferred embodiment, the second cylinder assembly 17 preferably includes two second cylinders, and the two second cylinders jointly drive the movement of a moving frame 18.
[0038] Further, as a preferred embodiment, two first contact members 19 are sequentially disposed at the upper end of each movable frame 18 along the length direction of the casing structure 5 .
[0039] Furthermore, as a preferred embodiment, at least one supporting unit 20 is provided between the two shaping units 16 , and the upper end of the supporting unit 20 abuts against the lower surface of the casing structure 5 .
[0040] Further, as a preferred embodiment, the number of the supporting units 20 is preferably two, and the two supporting units 20 are sequentially arranged between the two shaping units 16 .
[0041] Further, as a preferred embodiment, the support unit 20 includes: a support frame 21 and at least one second contact member 22, the support frame 21 is fixedly disposed on the support assembly 1, the second contact member 22 is disposed on the support frame 21, and the second contact member 22 contacts the lower surface of the shell structure 5.
[0042] Further, as a preferred embodiment, two second contact members 22 are sequentially provided at the upper end of the support frame 21 along the length direction of the housing structure 5 .
[0043] Further, as a preferred embodiment, the first contact member 19 and the second contact member 22 are both made of a material having a certain flexibility.
[0044] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention.
[0045] The utility model also has the following implementation methods based on the above:
[0046] In a further embodiment of the utility model, it also includes: at least one first pressure sensing device, which is arranged in the clamping jaw 8. Further, the first pressure sensing device is used to detect the force of the clamping jaw 8 itself. Through the arrangement of the first pressure sensing device, when the two clamping jaws 8 drive the battery body to move, it is possible to detect whether there is bad friction between the battery body and the casing structure 5. When bad friction exists, the friction force will be transmitted from the battery body to the clamping jaw 8; when it is detected, the machine can be automatically stopped to intervene in the assembly process manually.
[0047] like Figure 3 As shown, in a further embodiment of the utility model, it also includes: at least one second pressure sensor device 23 and a guide frame 24, the guide frame 24 is arranged close to the opening 6, a through opening is formed on the inner side of the guide frame 24, the through opening is arranged directly opposite to the opening 6, and the second pressure sensor device 23 is arranged on the inner side of the through opening. Further, the inner contour of the through opening matches the inner contour of the opening 6, so that the guide frame 24 guides the moving direction of the battery body during the insertion of the battery body, and when the position of the battery body is not accurate enough, the battery body will rub against the inner side of the guide frame 24, so that the second pressure sensor device 23 receives a signal.
[0048] In a further embodiment of the present invention, the guide frame 24 is made of ceramic material.
[0049] In a further embodiment of the present invention, a plurality of second pressure sensing devices 23 are sequentially arranged along the inner circumference of the guide frame 24 .
[0050] In a further embodiment of the present invention, the guide frame 24 may be disposed on the base 14 or on an extended portion of the support frame 21 .
[0051] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.
Claims
1. A horizontal battery cell shelling device, characterized in that: include: A support assembly, a moving device, a clamping mechanism and a positioning device, wherein the moving device is arranged on the support assembly, the positioning device is arranged on the support assembly, the positioning device is used to position a shell structure, the shell structure has an opening, the clamping mechanism is movably arranged on the moving device along the horizontal direction, the clamping mechanism is used to clamp a battery body, the battery body can be movably passed through the opening and extended into the shell structure; Wherein, the clamping mechanism comprises: a driving device and two clamping jaws, wherein the driving device is arranged on the moving device, and the driving device is used to drive the movement of the two clamping jaws, and the two clamping jaws are at least movable to be in a first state or a second state; When in the first state, the two clamping claws respectively abut against two sides of the battery cell body; When in the second state, the two clamping jaws are arranged close to each other, and the distance between the two clamping jaws on the sides that are relatively far away from each other is smaller than the distance between the inner sides of the opening.
2. The battery cell horizontal shell insertion device according to claim 1, characterized in that: The support assembly comprises: a support base and at least two support legs, the two support legs are respectively arranged at two ends of the lower surface of the support base, and the moving device and the positioning device are both arranged on the support base.
3. The battery cell horizontal shell insertion device according to claim 1, characterized in that: The moving device comprises: a motor, a transmission assembly and a linear moving module. The motor is transmission-connected to the linear moving module via the transmission assembly, and the clamping mechanism is movably arranged on the linear moving module.
4. The battery cell horizontal shell insertion device according to claim 1, characterized in that: The driving device comprises: a base and a first cylinder assembly, wherein the base is movably arranged on the moving device, and the first cylinder assembly is arranged on the base, and the first cylinder assembly is used for driving the movement of the two clamping jaws.
5. The battery cell horizontal shell insertion device according to claim 1, characterized in that: The positioning device comprises: two shaping units, the two shaping units are arranged in sequence along the horizontal direction, and the two shaping units are clamped together on both sides of the casing structure along the horizontal direction.
6. The battery cell horizontal shell insertion device according to claim 5, characterized in that: The shaping unit includes: a second cylinder assembly, a movable frame and at least one first contact member, the second cylinder assembly is arranged on the supporting assembly, the second cylinder assembly is used to drive the movement of the movable frame, the first contact member is arranged on the movable frame, and the first contact member can be moved close to or away from the shell structure.
7. The battery cell horizontal shell insertion device according to claim 5, characterized in that: At least one supporting unit is disposed between the two shaping units, and the upper end of the supporting unit abuts against the lower surface of the casing structure.
8. The battery cell horizontal shell insertion device according to claim 7, characterized in that: The support unit comprises: a support frame and at least one second contact member, wherein the support frame is fixedly arranged on the support assembly, the second contact member is arranged on the support frame, and the second contact member contacts the lower surface of the housing structure.
9. The battery cell horizontal shell insertion device according to claim 1, characterized in that: Also includes: At least one first pressure sensing device is disposed in the clamping jaw.
10. The battery cell horizontal shell insertion device according to claim 1, characterized in that: Also includes: At least one second pressure sensing device and a guide frame, the guide frame is arranged close to the opening, a through opening is formed on the inner side of the guide frame, the through opening is arranged opposite to the opening, and the second pressure sensing device is arranged on the inner side of the through opening.