CN214027195U

CN214027195U - Battery cell bending device

Info

Publication number: CN214027195U
Application number: CN202022066831.2U
Authority: CN
Inventors: 汪涛; 陈连周
Original assignee: Shenzhen Heyan Technology Co ltd
Current assignee: Shenzhen Heyan Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-08-24
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses an electricity core bending apparatus, including board, first template, second template, driver and material returned mechanism. Wherein, first template is equipped with first heating member and places the position of placing of electric core, places the position and is formed with the first curved surface with electric core contact. The second template sets up with first template is relative, and it is equipped with the second and adds heat-insulating material and be formed with the second curved surface that can contact with electric core. The driver is used for driving the second template to be close to the first template so as to enable the second template to be in contact with the battery cell on the placing position or drive the second template to be far away from the first template. The material returning mechanism is arranged on one side of the first template and can move relative to the first template and push the battery cell which is bent on the placing position to discharge. The utility model realizes the automatic bending of the battery cell, can ensure the bending effect of the battery cell, and can improve the bending efficiency of the battery cell; moreover, the battery cell on the placing position is pushed through the material returning mechanism, the phenomenon that the battery cell on the placing position is directly taken by a hand to cause scald is avoided, and the blanking of the battery cell is also facilitated.

Description

Battery cell bending device

Technical Field

The utility model relates to an electricity core preparation technical field especially relates to an electricity core bending apparatus.

Background

Batteries have been widely used in daily life and industrial production as a commonly used charge and discharge product. The conventional batteries are generally square or cylindrical, but with the development of industrial technology, products having special requirements on the shape of the batteries, such as round or oval or ring-shaped products (e.g., watches, bluetooth headsets, etc.), are gradually produced, and the conventional square and cylindrical batteries are difficult to be assembled to the products, thereby producing curved-shaped batteries, such as arc-shaped batteries, etc.

The battery core is an important component of the battery, and when the battery with a bent shape is manufactured, the battery core needs to be bent. In the past, the battery cell is usually bent to a specific radian manually, so that a large amount of labor is consumed, the bending effect cannot be ensured, and the battery cell may be damaged even by improper force.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electricity core bending apparatus to ensure the crooked effect of electric core, improve electric core bending efficiency.

In order to achieve the above object, the utility model discloses an electricity core bending apparatus, including board, first template, second template, driver and material returned mechanism. The first template is arranged on the machine table, the first template is provided with a first heating element and a placing position for placing the battery core, the placing position is provided with a first curved surface in contact with the battery core, and the first heating element is used for heating the first template. The second template and the first template are arranged oppositely, a second heating element is arranged on the second template, a second curved surface capable of being in contact with the battery cell is formed, and the second heating element is used for heating the second template. The driver is used for driving the second template to be close to the first template so as to enable the second template to be in contact with the battery cell on the placing position or driving the second template to be far away from the first template. The material returning mechanism is arranged on one side of the first template and can move relative to the first template and push the bent battery cell on the placing position to discharge.

Compared with the prior art, the utility model discloses a driver, first template, second template cooperation heating electricity core make electric core bending become unanimous with the shape of first curved surface, second curved surface, have realized the automatic bending of electric core, can enough ensure the bending effect of electric core, can improve electric core bending efficiency again, have reduced the human cost. Moreover, when the bending operation of the battery core is completed, the material returning mechanism pushes the battery core on the placing position, the phenomenon that the battery core on the placing position is directly taken by a hand to cause scald is avoided, and the blanking of the battery core is facilitated.

Specifically, the material returning mechanism comprises a pushing member, a mounting plate and a driving structure, wherein the pushing member is mounted on the mounting plate, the mounting plate is connected with the driving structure, and the driving structure drives the mounting plate to enable the pushing member to move towards the first template so as to push the battery cell on the placing position or enable the pushing member to be far away from the first template.

Preferably, the pushing member is a plurality of ejector pins mounted side by side on the mounting plate.

Preferably, the driving structure includes a pull rod, a bearing seat, a linear bearing penetrating through the bearing seat, and a movable rod movably penetrating through the linear bearing, the bearing seat, the linear bearing, and the movable rod are located at the rear side of the first template, the mounting plate is connected to the movable rod, the pull rod is connected to the mounting plate and has a pulling portion extending to the front side of the first template, and the pull rod drives the mounting plate to approach or be away from the first template so as to drive the pushing member to approach or be away from the first template.

Preferably, the first template is installed on the machine table through a first fixing plate, a through groove is formed in the bottom of the first fixing plate, and the pull rod is movably arranged in the through groove in a penetrating mode.

Preferably, the placing position is provided with two limiting protrusions which are connected with two ends of the first curved surface and extend upwards beyond the first curved surface, the part of the second template on which the second curved surface is formed extends downwards, and when the second curved surface is driven by the driver to be in contact with the battery core, the second curved surface extends downwards beyond the tops of the limiting protrusions.

Preferably, the first template is installed on the machine table through a first fixing plate, a first heat insulation piece is arranged on the first fixing plate, and the first template is fixed on the first heat insulation piece.

Preferably, the second template is installed on a second fixing plate, two ends of the second fixing plate are respectively provided with a guide rod in a penetrating manner, the lower end of the guide rod is fixed with the machine table, and the upper end of the guide rod is fixed with the installation seat of the driver.

Preferably, the second fixing plate is provided with a second heat insulation piece, and the second template is fixed on the second heat insulation piece.

Specifically, a first mounting hole is formed in the middle of the first template, and the first heating element is arranged in the first mounting hole; and a second mounting hole is formed in the middle of the second template, and the second heating element is arranged in the second mounting hole.

Drawings

Fig. 1 is the utility model discloses a three-dimensional structure sketch map of electric core bending apparatus.

Detailed Description

In order to explain the contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "top", "bottom", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and thus, are not to be construed as limiting the protection of the present invention.

Referring to fig. 1, the present invention discloses a cell bending apparatus 100, which is suitable for bending a cell 200 into a certain shape, for example, into an arc shape. Specifically, the cell bending apparatus 100 includes a machine 11, a first template 21, a second template 31, a driver 41, and a material returning mechanism 50. Wherein, first template 21 is installed on board 11 through first fixed plate 22, and first template 21 is equipped with first heating member 23 and is used for placing the position 211 of placing electric core 200, places the position 211 and is formed with the first curved surface 2111 with electric core 200 contact, and first heating member 23 is used for heating first template 21. The second template 31 is disposed above the first template 21 and opposite to the first template 21, and is provided with a second heating member 33 and formed with a second curved surface 311 capable of contacting with the battery cell 200, and the second heating member 33 is used for heating the second template 31. The driver 41 is arranged above the second template 31, and is used for driving the second template 31 to approach the first template 21 so as to enable the second template 31 to contact the battery cell 200 on the placement position 211, so that the battery cell 200 is heated through the second template 31 and the first template 21, and the battery cell is bent; or the second template 31 may be driven away from the first template 21 to move away from the battery cell 200 after the cell bending is completed. The material returning mechanism 50 is disposed on the machine 11 and faces the first mold plate 21, and can move relative to the first mold plate 21 and push the bent battery cells 200 on the placing position 211 to discharge materials.

The cell bending apparatus 100 of the present invention is further described in detail with reference to fig. 1:

the placing position 211 is formed with two limiting protrusions 2112 connected to two ends of the first curved surface 2111 and extending upward beyond the first curved surface 2111, the portion of the second template 31 where the second curved surface 311 is formed extends downward, and when the second template 31 moves downward under the driving of the driver 41 until the second curved surface 311 contacts the battery cell 200, the second curved surface 311 extends downward beyond the top of the limiting protrusions 2112. That is, when the second curved surface 311 contacts the battery cell 200, the portion of the second mold plate 31 where the second curved surface 311 is formed extends into the groove (the placement position 211) formed by the first curved surface 2111 and the two limiting protrusions 2112. In this embodiment, the first curved surface 2111 and the second curved surface 311 are both arc-shaped.

The second template 31 is installed on the second fixing plate 32, two ends of the second fixing plate 32 are respectively provided with a guide rod 43 in a penetrating manner, the lower end of the guide rod 43 is fixed with the machine platform 11, and the upper end of the guide rod 43 is fixed with the installation seat 42 of the driver 41. The guide rod 43 supports the mounting seat 42 and the second fixing plate 32, and guides the movement of the second mold plate 31, so that the second mold plate 31 can stably move linearly in the up-down direction. In this embodiment, a linear bearing 44 is provided on the second fixing plate 32, and the guide rod 43 is inserted into the linear bearing 44.

The first fixing plate 22 is provided with a first heat insulator 24, and the first form 21 is fixed to the first heat insulator 24. Similarly, the second fixing plate 32 is provided with a second heat insulator 34, and the second mold plate 31 is fixed to the second heat insulator 34. A first mounting hole is formed in the middle of the first template 21, and a first heating member 23 is disposed in the first mounting hole; a second mounting hole is formed at the middle portion of the second template 31, and a second heating member 33 is provided in the second mounting hole.

An electric control system is arranged in the machine table 11, and the electric control system controls the operation of the driver 41, the first heating member 23 and the second heating member 33, such as controlling the heating time, the heating temperature and the like of the first heating member 23 and the second heating member 33, and controlling the pressing stroke, the pressure and the like of the driver 41. In this embodiment, a time relay 61, a temperature controller 62, a power button switch 63, etc. are disposed on the side wall of the machine platform 11; the driver 41 is a cylinder, and an air pressure adjusting valve 64 is further disposed on the side wall of the machine 11.

The material returning mechanism 50 comprises a pushing member 51, a mounting plate 52 and a driving structure, wherein the pushing member 51 is mounted on the mounting plate 52, the mounting plate 52 is connected with the driving structure, and the driving structure drives the mounting plate 52 to enable the pushing member 51 to move towards the first template 21 to push the battery cell 200 on the placing position 211, so that the battery cell is convenient to discharge; or drive the mounting plate 52 to move the pusher member 51 away from the first platen 21 until it returns. In the embodiment shown in fig. 1, the pushing member 51 is a plurality of ejector pins mounted side by side on a mounting plate 52. The driving structure comprises a pull rod 53, a linear bearing 54, a bearing seat 55 and a movable rod 56, wherein the movable rod 56, the bearing seat 55, the linear bearing 54, a mounting plate 52 and a pushing piece 51 are all positioned at the rear side of the first template 21, the movable rod 56 is movably arranged in the linear bearing 54 in a penetrating way, the linear bearing 54 is arranged on the bearing seat 55 in a penetrating way, the mounting plate 52 is connected with the movable rod 56, one end of the pull rod 53 is connected with the mounting plate 52, and the other end of the pull rod extends to the front side of the first template 21 and is provided with a pulling part 531.

Furthermore, a through groove 221 is formed at the bottom of the first fixing plate 22, and the pull rod 53 is movably disposed through the through groove 221. When the pulling portion 531 receives a forward acting force, the pull rod 53 moves forward in the through groove 221 and drives the mounting plate 52 to move toward the first mold plate 21, so as to link the pushing member 51 to approach the first mold plate 21, and further, the pushing member 51 applies a forward acting force to the battery cell 200, so as to achieve battery cell blanking. In some embodiments, when the pulling portion 531 is acted by a backward force, the pulling rod 53 moves backward in the through groove 221 and drives the mounting plate 52 to move in a direction away from the first mold plate 21, so as to link the pushing member 51 away from the placing position 211; in some embodiments, a spring is disposed on the pull rod 53, or at the connection between the pull rod 53 and the mounting plate 52, or at the connection between the movable rod 56 and the mounting plate 52, when the force applied to the pulling portion 531 is removed, the pull rod 53, the mounting plate 52, and the pushing member 51 will automatically move backward away from the first mold plate 21 under the elastic restoring force until returning.

The operation of the cell bending apparatus 100 will be described below by taking the embodiment of the present invention as an example.

Firstly, heating the first template 21 to a preset temperature by using a first heating element 23, and placing the battery cell 200 on a placing position 211; then, the driver 41 drives the second template 31 to descend to contact with the surface of the battery cell 200 and stay for a preset time, and then the driver 41 continues to drive the second template 31 to press down, at this time, the shape of the battery cell 200 is changed to be consistent with the shapes of the first curved surface 2111 and the second curved surface 311; then, the driver 41 drives the second template 31 to ascend to the original position, and the pull rod 53 pulls the mounting plate 52 to enable the pushing member 51 to move towards the battery cell 200 to push the battery cell 200, so as to realize battery cell blanking; finally, the material returning mechanism 50 is returned to its original position.

Compared with the prior art, the utility model discloses a driver 41, first template 21, second template 31 cooperation heating electricity core 200 make electric core 200 crooked become unanimous with first curved surface 2111, second curved surface 311's shape, realized electric core 200's automatic bending, can enough ensure electric core 200's bending effect, can improve electric core 200's bending efficiency again, reduced the human cost. Moreover, when the bending operation of the battery core is completed, the material returning mechanism 50 pushes the battery core 200 on the placing position 211, so that the phenomenon that the battery core 200 on the placing position 211 is directly taken by a hand to cause scald is avoided, and the blanking of the battery core 200 is facilitated.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims

1. A cell bending apparatus, comprising:

a machine platform;

the first template is arranged on the machine table and provided with a first heating element and a placing position for placing the battery core, the placing position is provided with a first curved surface in contact with the battery core, and the first heating element is used for heating the first template;

the second template is arranged opposite to the first template, is provided with a second heating element and forms a second curved surface capable of being in contact with the battery cell, and the second heating element is used for heating the second template;

a driver, configured to drive the second template to approach the first template so as to make the second template contact the battery cell on the placement location or drive the second template to move away from the first template; and

and the material returning mechanism is arranged on one side of the first template, can move relative to the first template and pushes the bent battery cell on the placing position to discharge.

2. The cell bending apparatus according to claim 1, wherein the material returning mechanism includes a pushing member, a mounting plate, and a driving structure, the pushing member is mounted on the mounting plate, the mounting plate is connected to the driving structure, and the driving structure drives the mounting plate to move the pushing member toward the first mold plate to push the cell on the placement position or move the pushing member away from the first mold plate.

3. The cell bending apparatus according to claim 2, wherein the pushing member is a plurality of ejector pins mounted side by side on the mounting plate.

4. The cell bending apparatus according to claim 2, wherein the driving structure includes a pull rod, a bearing seat, a linear bearing penetrating through the bearing seat, and a movable rod movably penetrating through the linear bearing, the bearing seat, the linear bearing, and the movable rod are located at a rear side of the first template, the mounting plate is connected to the movable rod, the pull rod is connected to the mounting plate and has a pulling portion extending to a front side of the first template, and the pull rod drives the mounting plate to approach or be away from the first template so as to drive the pushing member to approach or be away from the first template.

5. The cell bending apparatus according to claim 4, wherein the first template is mounted on the machine platform by a first fixing plate, a through groove is formed at a bottom of the first fixing plate, and the pull rod is movably disposed in the through groove.

6. The cell bending device according to any one of claims 1 to 5, wherein the placement position is formed with two limiting protrusions connected to two ends of the first curved surface and protruding upward beyond the first curved surface, the portion of the second template on which the second curved surface is formed protrudes downward, and when the second curved surface is driven by the driver to contact the cell, the second curved surface protrudes downward beyond the tops of the limiting protrusions.

7. The cell bending apparatus according to any one of claims 1 to 4, wherein the first mold plate is mounted on the machine table through a first fixing plate, the first fixing plate is provided with a first heat insulating member, and the first mold plate is fixed on the first heat insulating member.

8. The cell bending apparatus according to any one of claims 1 to 5, wherein the second template is mounted on a second fixing plate, two ends of the second fixing plate are respectively provided with a guide rod in a penetrating manner, a lower end of the guide rod is fixed to the machine table, and an upper end of the guide rod is fixed to the mounting seat of the driver.

9. The cell bending apparatus according to claim 8, wherein the second fixing plate is provided with a second thermal insulation member, and the second mold plate is fixed to the second thermal insulation member.

10. The cell bending apparatus according to any one of claims 1 to 5, wherein a first mounting hole is formed in a middle portion of the first template, and the first heating member is disposed in the first mounting hole; and a second mounting hole is formed in the middle of the second template, and the second heating element is arranged in the second mounting hole.