Lithium battery cell extruding and restraining equipment

Abstract

The utility model relates to the technical field of lithium battery production, in particular to lithium battery cell extruding and restraining equipment which comprises an equipment table, transverse moving mechanisms are installed on the front side and the rear side of the surface of the equipment table, each transverse moving mechanism is composed of a transverse moving sliding frame, a servo motor, a belt and a sliding base, and the sliding bases are connected to the surfaces of the transverse moving sliding frames in a sliding mode; a side edge extrusion mechanism is arranged on the surface of the sliding seat; the side edge extrusion mechanism is composed of end cover pressurization servo mechanisms and two side extrusion assemblies, the end cover pressurization servo mechanisms are located at the two ends of the sliding base, and the two side extrusion assemblies are located on the two sides of the sliding base; and a frame body is further fixed to the surface of the equipment table, and top extrusion mechanisms are fixed to the front end and the rear end of the frame body correspondingly and used for extrusion work of the tops of the battery cells. According to the utility model, double-station operation can be realized, the working efficiency is improved, and the whole extrusion restraint does not need manual operation and is relatively safe.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery production, in particular to a lithium battery core extrusion and restraint device. Background Art

[0002] Lithium batteries have been widely used in portable appliances such as laptops, cameras, and mobile communications due to their unique performance advantages, and large-capacity lithium-ion batteries have also been widely used in electric vehicles, satellites, aerospace, and energy storage. However, lithium battery cells need to be squeezed and restrained for bundling during production.

[0003] The existing lithium battery cells are manually assisted in bundling, the degree of automation is low, the parts increase the labor intensity, and reduce the work efficiency in the bundling process; and the existing lithium battery cells are manually assisted in bundling when they are squeezed and restrained, so safety accidents may occur, which brings great troubles to people's use. Utility Model Content

[0004] The utility model aims to provide a lithium battery cell squeezing and restraining device to solve the problems of manual auxiliary bundling in the above background technology, such as high labor intensity, low work efficiency and easy occurrence of safety accidents.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium battery cell extrusion and restraint device, comprising an equipment table, wherein a transverse movement mechanism is installed on both the front and rear sides of the surface of the equipment table, and the transverse movement mechanism is composed of a transverse movement slide, a servo motor, a belt and a slide seat, and the transverse movement slide is provided with two groups, and the two groups of transverse movement slides are fixedly connected to the front and rear sides of the surface of the equipment table, and the surface of the transverse movement slide is slidably connected to the slide seat; a side extrusion mechanism is provided on the surface of the slide seat, and the side extrusion mechanism is used for the extrusion work of the battery cell side; the side extrusion mechanism is composed of an end cover pressurizing servo mechanism and two side extrusion components, the end cover pressurizing servo mechanism is located at both ends of the slide seat, the end cover pressurizing servo mechanism is used for the pressurization work of the battery cell end cover, and the two side extrusion components are located on both sides of the slide seat, and the two side extrusion components are used for the extrusion work on both sides of the battery cell; a frame is also fixed on the surface of the equipment table, and a top extrusion mechanism is fixed on both the front and rear ends of the frame, and the top extrusion mechanism is used for the extrusion work of the top of the battery cell.

[0006] Preferably, a servo motor is fixed to the surface of the transverse slide via a support plate, and a belt is provided between the output end of the servo motor and the transverse slide, the servo motor is used to drive the belt to reciprocate, and both ends of the belt are fixedly connected to the surface of the slide.

[0007] Preferably, the end cover pressurizing servo mechanism is composed of an end cover seat and a pressurizing servo electric cylinder. The end cover seat is fixedly connected to the end of the slide seat, and the pressurizing servo electric cylinder is fixed to the other end of the slide seat through a bracket. The pressurizing servo electric cylinder cooperates with the end cover seat to pressurize the end cover of the battery cell.

[0008] Preferably, the two side extrusion assemblies are composed of side extrusion frames and side cylinders, and the side extrusion frames are provided with two groups. The two groups of side extrusion frames are slidably connected to the surface of the slide seat, and the side extrusion frames are used to extrude the two sides of the battery cell. The surface of the slide seat is fixed with a side cylinder, and the output end of the side cylinder is fixedly connected to the surface of the side extrusion frame.

[0009] Preferably, the top extrusion mechanism includes a top plate, a downward pressure cylinder and a top pressing seat, the top plate is fixedly connected to the end of the frame, and the downward pressure cylinder is installed on the surface of the top plate.

[0010] Preferably, a top pressing seat is provided below the top plate, and the top pressing seat is fixedly connected to the output end of the downward pressure cylinder, and the top pressing seat is used for pressing the top of the battery cell.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the lithium battery cell extrusion and restraint equipment is provided with a transverse movement mechanism, a side extrusion mechanism and a top extrusion mechanism. When implemented, the cell is grabbed by a robot and placed on the side extrusion mechanism; the transverse movement mechanism transfers the cell to the extrusion station; in the extrusion station, the top extrusion mechanism is pressed down to pressurize the top of the cell. The extrusion components on both sides extrude the battery cells laterally, and the end cover pressurizing servo mechanism extrude the end covers on both sides; after the extrusion is completed, the steel belt is manually put into the battery cell group, and after the steel belt is put on, the robot takes out the battery cell group and flows it into the next workstation; the utility model can realize double-station operation, which improves work efficiency. The robot automatically grabs the battery cell group after stacking and places it on the side extrusion mechanism, and the transverse movement mechanism transfers the battery cell group to the middle restraint position. The two side cylinders of the extrusion components on both sides and the top extrusion mechanism apply pressure to the battery cells at the same time, and the pressurizing servo electric cylinder of the end cover pressurizing servo mechanism starts to extrude the battery cells, and the extrusion pressure is controlled in conjunction with the high-precision torque sensor. After reaching the target pressure value, the transverse movement mechanism transfers the battery cell group to the manual operation position, and the steel belt sleeve is manually placed in the reserved bundling position of the battery cells to complete the battery cell bundling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main appearance structure of the utility model;

[0013] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0014] Figure 3 It is a schematic diagram of the explosion amplification structure of the utility model.

[0015] In the figure: 1. Equipment table; 2. Frame; 3. Transverse movement mechanism; 31. Transverse movement slide; 32. Servo motor; 33. Belt; 34. Slide; 4. Side extrusion mechanism; 41. End cover pressurizing servo mechanism; 411. End cover seat; 412. Pressurizing servo electric cylinder; 42. Two side extrusion components; 421. Side extrusion frame; 422. Side cylinder; 5. Top extrusion mechanism; 51. Top plate; 52. Down-pressing cylinder; 53. Top clamping seat. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0017] The utility model provides a lithium battery cell extrusion restraint device with a structure as follows Figure 1 as well as Figure 3 As shown, it includes an equipment table 1, and a transverse mechanism 3 is installed on the front and rear sides of the surface of the equipment table 1. The transverse mechanism 3 is composed of a transverse slide 31, a servo motor 32, a belt 33 and a slide 34. Two groups of transverse slides 31 are provided, and the two groups of transverse slides 31 are fixedly connected to the front and rear sides of the surface of the equipment table 1. The surface of the transverse slide 31 is slidably connected to the slide 34. The servo motor 32 is fixed to the surface of the transverse slide 31 through a support plate, and a belt 33 is provided between the output end of the servo motor 32 and the transverse slide 31. The servo motor 32 is used to drive the belt 33 to reciprocate, and the two ends of the belt 33 are fixedly connected to the surface of the slide 34.

[0018] The utility model is suitable for the process of steel stripping the battery cell module of the lithium battery PACK production line. The equipment automatically extrude and restrain the battery cell and cooperate with manual work to complete the steel strip restraint bundling process, and can realize double-station operation.

[0019] Furthermore, if Figure 2 as well as Figure 3As shown, the surface of the slide 34 is provided with a side extrusion mechanism 4, which is used for extruding the side of the battery cell; the side extrusion mechanism 4 is composed of an end cover pressurizing servo mechanism 41 and a two-side extrusion assembly 42, the end cover pressurizing servo mechanism 41 is located at both ends of the slide 34, the end cover pressurizing servo mechanism 41 is used for pressurizing the end cover of the battery cell, the two-side extrusion assembly 42 is located on both sides of the slide 34, the two-side extrusion assembly 42 is used for extruding the two sides of the battery cell, the end cover pressurizing servo mechanism 41 is composed of an end cover seat 411 and a pressurizing servo electric cylinder 412, the end cover seat 411 is fixedly connected to At the end of the slide 34, a pressurizing servo electric cylinder 412 is fixed to the other end of the slide 34 through a bracket. The pressurizing servo electric cylinder 412 cooperates with the end cover seat 411 to pressurize the end cover of the battery cell. The two side extrusion components 42 are composed of a side extrusion frame 421 and a side cylinder 422. The side extrusion frame 421 is provided with two groups. The two groups of side extrusion frames 421 are slidably connected to the surface of the slide 34. The side extrusion frame 421 is used to extrude the two sides of the battery cell. The surface of the slide 34 is fixed with a side cylinder 422, and the output end of the side cylinder 422 is fixedly connected to the surface of the side extrusion frame 421.

[0020] During implementation, the transverse movement mechanism 3 is fixed on both sides of the equipment and is independently servo-controlled to realize double-station operation. The side extrusion mechanism 4 is fixed on the slide 34. The robot automatically grabs the stacked battery cell group and places it on the side extrusion mechanism 4. The transverse movement mechanism 3 transplants the battery cell group to the middle restraint position.

[0021] Furthermore, if Figure 2 as well as Figure 3 As shown, a frame 2 is also fixed on the surface of the equipment table 1, and a top extrusion mechanism 5 is fixed on both the front and rear ends of the frame 2. The top extrusion mechanism 5 is used for extruding the top of the battery cell. The top extrusion mechanism 5 includes a top plate 51, a downward pressure cylinder 52 and a top pressing seat 53. The top plate 51 is fixedly connected to the end of the frame 2, and the downward pressure cylinder 52 is installed on the surface of the top plate 51. A top pressing seat 53 is arranged below the top plate 51, and the top pressing seat 53 is fixedly connected to the output end of the downward pressure cylinder 52. The top pressing seat 53 is used for extruding the top of the battery cell.

[0022] During implementation, the two side cylinders of the side squeezing mechanism 4 and the downward pressing cylinder 52 of the top squeezing mechanism 5 simultaneously apply pressure to the battery cell, and the pressurized servo electric cylinder starts to squeeze the battery cell.

[0023] Working principle: The battery cell is grabbed by the robot and placed on the side extrusion mechanism 4; the transverse movement mechanism 3 transfers the battery cell to the extrusion station; in the extrusion station, the top extrusion mechanism 5 presses down to pressurize the top of the battery cell. The two-side extrusion components 42 extrude the battery cell laterally, and the end cover pressurization servo mechanism 41 extrude the end covers on both sides; after the extrusion is completed, the steel belt is manually put into the battery cell group, and the robot takes out the battery cell group and flows into the next station.

[0024] The transverse movement mechanism 3 of the utility model is fixed on both sides of the equipment, with independent servo control to realize double-station operation, and the side extrusion mechanism 4 is fixed on the slide 34, and the robot automatically grabs the stacked battery cell group and places it on the side extrusion mechanism 4, and the transverse movement mechanism 3 moves the battery cell group to the middle restraining position, and the cylinders on both sides of the side extrusion mechanism 4 and the downward pressure cylinder 52 of the top extrusion mechanism 5 simultaneously apply pressure to the battery cells, and the pressurized servo electric cylinder starts to squeeze the battery cells, and the extrusion pressure is controlled in conjunction with a high-precision torque sensor. After reaching the target pressure value, the transverse movement mechanism 3 moves the battery cell group to the manual operation position, and the steel belt sleeve is manually placed in the reserved bundling position of the battery cell to complete the battery cell bundling process; the utility model can meet the requirements of most lithium battery PACK production line automation production equipment on the market in the battery cell restraint sleeve steel belt process to achieve high precision, flexibility, and production efficiency of the battery cell.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A lithium battery cell squeezing and restraining device, comprising a device platform (1), characterized in that: The front and rear sides of the surface of the equipment platform (1) are both equipped with a transverse mechanism (3), the transverse mechanism (3) is composed of a transverse slide (31), a servo motor (32), a belt (33) and a slide seat (34), the transverse slide (31) is provided with two groups, the two groups of transverse slides (31) are fixedly connected to the front and rear sides of the surface of the equipment platform (1), and the surface of the transverse slide (31) is slidably connected to the slide seat (34); the surface of the slide seat (34) is provided with a side extrusion mechanism (4), the side extrusion mechanism (4) is used for the extrusion of the side of the battery cell; the side extrusion mechanism (4) is composed of an end cover pressurizing servo mechanism (41) and a two-side extrusion assembly (42), wherein the end cover pressurizing servo mechanism (41) is located at both ends of the slide seat (34), and the end cover pressurizing servo mechanism (41) is used for pressurizing the end cover of the battery cell, and the two-side extrusion assembly (42) is located at both sides of the slide seat (34), and the two-side extrusion assembly (42) is used for extrusion work on both sides of the battery cell; a frame (2) is also fixed on the surface of the equipment table (1), and a top extrusion mechanism (5) is fixed at both the front and rear ends of the frame (2), and the top extrusion mechanism (5) is used for extrusion work on the top of the battery cell.

2. The lithium battery cell squeezing and restraining device according to claim 1, characterized in that: A servo motor (32) is fixed to the surface of the transverse slide (31) via a support plate, and a belt (33) is provided between the output end of the servo motor (32) and the transverse slide (31), the servo motor (32) is used to drive the belt (33) to perform reciprocating motion, and both ends of the belt (33) are fixedly connected to the surface of the slide seat (34).

3. The lithium battery cell squeezing and restraining device according to claim 1, characterized in that: The end cover pressurizing servo mechanism (41) is composed of an end cover seat (411) and a pressurizing servo electric cylinder (412); the end cover seat (411) is fixedly connected to the end of the slide seat (34); the pressurizing servo electric cylinder (412) is fixed to the other end of the slide seat (34) via a bracket; the pressurizing servo electric cylinder (412) cooperates with the end cover seat (411) to pressurize the end cover of the battery cell.

4. The lithium battery cell squeezing and restraining device according to claim 1, characterized in that: The two-side extrusion assembly (42) is composed of a side extrusion frame (421) and a side cylinder (422). The side extrusion frame (421) is provided with two groups. The two groups of side extrusion frames (421) are slidably connected to the surface of the slide seat (34). The side extrusion frame (421) is used to extrude the two sides of the battery cell. The side cylinder (422) is fixed to the surface of the slide seat (34), and the output end of the side cylinder (422) is fixedly connected to the surface of the side extrusion frame (421).

5. The lithium battery cell squeezing and restraining device according to claim 1, characterized in that: The top extrusion mechanism (5) comprises a top plate (51), a downward pressure cylinder (52) and a top pressing seat (53); the top plate (51) is fixedly connected to the end of the frame (2), and the downward pressure cylinder (52) is installed on the surface of the top plate (51).

6. A lithium battery cell squeezing and restraining device according to claim 5, characterized in that: A top pressing seat (53) is provided below the top plate (51), and the top pressing seat (53) is fixedly connected to the output end of the downward pressing cylinder (52). The top pressing seat (53) is used to press the top of the battery cell.

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