CN221961030U - Lithium battery cell stacking equipment - Google Patents

Abstract

The utility model relates to the technical field of lithium battery production, in particular to lithium battery cell stacking equipment which comprises a base, wherein a frame body is arranged above the base, and the frame body and the base are mutually in running fit through a rotating mechanism; the left side and the right side of the frame body are both fixed with bearing plates, and the front side and the rear side of the surface of the bearing plates are both provided with stacking mechanisms; the stacking mechanism consists of an upper cover end hand-changing assembly and a lower cover end hand-changing assembly, wherein the upper cover end hand-changing assembly is arranged at the top of the bearing plate, and the lower cover end hand-changing assembly is arranged at the bottom of the bearing plate; lateral clamping mechanisms are further arranged on the front side and the rear side of the surface of the bearing plate. The utility model meets the bidirectional four-station operation, improves the working efficiency, and can meet the requirements of most of automatic production equipment of lithium battery PACK production lines on the market on the aspects of high precision, flexibility, production efficiency and the like of battery cells in the battery cell stacking process.

Description

A lithium battery cell stacking device

Technical Field

The utility model relates to the technical field of lithium battery production, in particular to a lithium battery cell stacking device.

Background Art

Lithium battery is a primary battery that uses lithium metal or lithium alloy as the negative electrode material and a non-aqueous electrolyte solution. It is currently widely used in automobiles, laptops and other equipment or devices that require power supply. However, during the production of lithium batteries, the cells need to be stacked to facilitate subsequent assembly.

The existing battery cells are stacked manually, and the degree of automation in the stacking process is low, which not only increases the labor intensity of battery cell stacking and reduces the work efficiency of battery cell stacking; but also because the entire process needs to be manually operated, the battery cells are prone to tilting or falling during stacking, thereby reducing the safety of battery cell stacking.

Utility Model Content

The utility model aims to provide a lithium battery cell stacking device to solve the problem of low efficiency and easy tilt or drop of manual cell stacking proposed in the above background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium battery cell stacking device, comprising a base, a frame body is arranged above the base, and the frame body and the base are rotatably cooperated with each other through a rotating mechanism; a carrying plate is fixed on the left and right sides of the frame body, and a stacking mechanism is arranged on the front and back sides of the surface of the carrying plate, and the stacking mechanism is used for stacking lithium battery cells; the stacking mechanism is composed of an upper cover end hand change assembly and a lower cover end hand change assembly, the upper cover end hand change assembly is installed on the top of the carrying plate, and the lower cover end hand change assembly is installed on the bottom of the carrying plate, and the upper cover end hand change assembly and the lower cover end hand change assembly are used to stack lithium battery cells in cooperation; a lateral clamping mechanism is also arranged on the front and back sides of the surface of the carrying plate, and the lateral clamping mechanism is used for clamping lithium battery cells.

Preferably, the upper cover end hand-changing assembly is composed of an upper support seat, a hand-changing cylinder and an upper vacuum suction cup. The upper support seat is fixedly connected to the surface of the supporting plate, and the hand-changing cylinder is installed on the surface of the upper support seat, and the output end of the hand-changing cylinder passes through the upper support seat and is installed with an upper vacuum suction cup, which is used for the adsorption of lithium battery cells.

Preferably, the lower cover end hand-changing assembly includes a lower support seat and a lower vacuum suction cup, the lower support seat is fixedly connected to the surface of the supporting plate, and a lower vacuum suction cup is fixed on the surface of the lower support seat, and the lower vacuum suction cup is used for adsorption of lithium battery cells.

Preferably, the lateral clamping mechanism is composed of a clamping plate, a clamping cylinder and a connecting rod, and the clamping plate is provided in two groups; the two groups of clamping plates are slidably arranged on the surface of the supporting plate, and the clamping plates are used for clamping the lithium battery cells.

Preferably, a clamping cylinder is fixed to the surface of the supporting plate, and the output end of the clamping cylinder is fixedly connected to the surface of the clamping plate, and a connecting rod is rotatably connected to the surface of the supporting plate between adjacent clamping plates, and both ends of the connecting rod are rotatably matched with the surface of the clamping plate.

Preferably, the rotating mechanism is composed of a servo motor, a gear and a toothed disc. The servo motor is fixedly connected to the inside of the base, and a gear is fixedly mounted on the output end of the servo motor.

Preferably, the toothed disc is fixedly connected to the bottom of the frame, and the toothed disc and the gear are meshed with each other.

Compared with the prior art, the beneficial effects of the utility model are as follows: the lithium battery cell stacking equipment is provided with a stacking mechanism, a lateral clamping mechanism and a rotating mechanism; the utility model has four workstations, two in a group, which can be switched left and right through the rotating mechanism; the cells are grouped in grades and automatically flow into the stacking line position at the rear end, and the stacking line robot automatically grabs the cells to stack the two workstations; the rotating mechanism can rotate to switch the workstations, and the stacking completion position is rotated to the unloading position; the stacking robot continues to stack the other two workstations, and the extrusion line robot grabs the stacked cells to the extrusion equipment; specifically, the cells are stacked by the stacking mechanism, and the lateral clamping mechanism prevents the cells from tilting or falling when the rotating mechanism rotates, and the rotating mechanism drives the stacking mechanism and the lateral clamping mechanism to rotate, thereby meeting the two-way four-station operation and improving the work efficiency. At the same time, it can also meet the requirements of most lithium battery PACK production line automation production equipment on the market in the cell stacking process to achieve high precision, flexibility, and production efficiency of the cells.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional appearance structure of the utility model;

FIG2 is a schematic diagram of the explosion structure of the utility model;

FIG3 is an enlarged structural schematic diagram of the stacking mechanism of the present invention;

FIG. 4 is an enlarged structural diagram of the lateral clamping mechanism of the present invention.

In the figure: 1. base; 2. frame; 3. load-bearing plate; 4. stacking mechanism; 41. hand-changing assembly at the upper cover end; 411. upper support seat; 412. hand-changing cylinder; 413. upper vacuum suction cup; 42. hand-changing assembly at the lower cover end; 421. lower support seat; 422. lower vacuum suction cup; 5. lateral clamping mechanism; 51. clamping plate; 52. clamping cylinder; 53. connecting rod; 6. rotating mechanism; 61. servo motor; 62. gear; 63. geared disc.

DETAILED DESCRIPTION

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.

The structure of a lithium battery cell stacking device provided by the utility model is shown in Figures 1 and 2, including a base 1, a frame 2 is arranged above the base 1, and the frame 2 and the base 1 are rotated and matched with each other through a rotating mechanism 6, the rotating mechanism 6 is composed of a servo motor 61, a gear 62 and a toothed disc 63, the servo motor 61 is fixedly connected to the inside of the base 1, and the output end of the servo motor 61 is fixedly set with a gear 62, the toothed disc 63 is fixedly connected to the bottom of the frame 2, and the toothed disc 63 and the gear 62 are meshed with each other; the left and right sides of the frame 2 are fixed with a supporting plate 3, and the front and rear sides of the surface of the supporting plate 3 are provided with a stacking mechanism 4, and the stacking mechanism 4 is used for stacking lithium battery cells.

During implementation, the rotating mechanism 6 drives the stacking mechanism 4 and the battery cells clamped by the lateral clamping mechanism 5 to rotate and feed.

Further, as shown in Figures 2 and 3, the stacking mechanism 4 is composed of an upper cover end hand-changing component 41 and a lower cover end hand-changing component 42, the upper cover end hand-changing component 41 is installed on the top of the carrier plate 3, and the lower cover end hand-changing component 42 is installed at the bottom of the carrier plate 3, and the upper cover end hand-changing component 41 and the lower cover end hand-changing component 42 are used to stack lithium battery cells, and the upper cover end hand-changing component 41 is composed of an upper support seat 411, a hand-changing cylinder 412 and an upper vacuum suction cup 413, and the upper support seat 411 is fixedly connected to the carrier plate 3 The surface of the upper support seat 411 is provided with a hand-changing cylinder 412, and the output end of the hand-changing cylinder 412 passes through the upper support seat 411 and is provided with an upper vacuum suction cup 413, which is used for the adsorption of the lithium battery cell. The lower cover end hand-changing assembly 42 includes a lower support seat 421 and a lower vacuum suction cup 422, the lower support seat 421 is fixedly connected to the surface of the carrying plate 3, and the surface of the lower support seat 421 is fixed with a lower vacuum suction cup 422, which is used for the adsorption of the lithium battery cell.

During implementation, the battery cells are placed on the surface of the upper cover end hand-changing assembly 41 for stacking. During stacking, the lower cover end hand-changing assembly 42 and the upper cover end hand-changing assembly 41 cooperate with each other to adsorb and fix the battery cells.

Furthermore, as shown in Figures 2 and 4, lateral clamping mechanisms 5 are also provided on the front and rear sides of the surface of the supporting plate 3, and the lateral clamping mechanisms 5 are used for clamping the lithium battery cells. The lateral clamping mechanisms 5 are composed of a clamping plate 51, a clamping cylinder 52 and a connecting rod 53. There are two groups of clamping plates 51; the two groups of clamping plates 51 are slidably arranged on the surface of the supporting plate 3, and the clamping plates 51 are used for clamping the lithium battery cells. The surface of the supporting plate 3 is fixed with a clamping cylinder 52, and the output end of the clamping cylinder 52 is fixedly connected to the surface of the clamping plate 51, and the surface of the supporting plate 3 between adjacent clamping plates 51 is rotatably connected with a connecting rod 53, and at the same time, the two ends of the connecting rod 53 are rotatably matched with the surface of the clamping plate 51.

During implementation, the stacked cells are clamped laterally by the lateral clamping mechanism 5 to prevent the cells from tilting during subsequent rotation.

The utility model has four workstations, two in a group, which can be switched left and right through a rotating mechanism 6; after the battery cells are grouped in grades, they automatically flow into the stacking line position at the rear end, and the stacking line robot automatically grabs the battery cells to stack the two workstations; the rotating mechanism 6 can rotate to switch the workstations, and the stacking completion position is rotated to the unloading position; the stacking robot continues to stack the other two workstations, and the extrusion line robot grabs the stacked battery cells to the extrusion equipment.

Working principle: When in use, the robot places the battery cells on the surface of the upper cover end hand-changing assembly 41 for stacking. When stacking, the lower cover end hand-changing assembly 42 and the upper cover end hand-changing assembly 41 cooperate with each other to adsorb and fix the battery cells. After stacking, the lateral clamping mechanism 5 is used to clamp the battery cells laterally to prevent the battery cells from tilting during subsequent rotation. Subsequently, the rotating mechanism 6 drives the battery cells clamped by the stacking mechanism 4 and the lateral clamping mechanism 5 to rotate and feed.

This equipment is suitable for the battery cell stacking process of the lithium battery PACK production line, and cooperates with the robot to realize automatic battery cell stacking. This equipment includes a stacking mechanism 4, a lateral clamping mechanism 5 and a rotating mechanism 6. The stacking mechanism 4 is fixed on the frames on both sides of the rotating mechanism 6 to cooperate with the manipulator to stack the battery cells. The lateral clamping mechanism 5 is fixed on both sides of the stacking mechanism 4 to prevent the battery cells from tilting when the rotating mechanism 6 rotates. The rotating mechanism 6 is fixed in the middle of the equipment to drive the stacking mechanism 4 and the lateral clamping mechanism 5 to rotate, thereby meeting the two-way four-station operation. The utility model can meet the requirements of most lithium battery PACK production line automation production equipment on the market in the battery cell stacking process to achieve high precision, flexibility, production efficiency and other aspects of the battery cells.

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 (7)

1. A lithium battery cell stacking device, comprising a base (1), characterized in that: a frame (2) is arranged above the base (1), and the frame (2) and the base (1) are rotated together through a rotating mechanism (6); a supporting plate (3) is fixed on both the left and right sides of the frame (2), and a stacking mechanism (4) is arranged on both the front and rear sides of the surface of the supporting plate (3), and the stacking mechanism (4) is used for stacking lithium battery cells; the stacking mechanism (4) is changed by the upper cover end The upper cover end hand-changing assembly (41) and the lower cover end hand-changing assembly (42) are composed of an upper cover end hand-changing assembly (41) and a lower cover end hand-changing assembly (42), wherein the upper cover end hand-changing assembly (41) is installed on the top of the carrier plate (3), and the lower cover end hand-changing assembly (42) is installed on the bottom of the carrier plate (3), and the upper cover end hand-changing assembly (41) and the lower cover end hand-changing assembly (42) cooperate to stack lithium battery cells; and lateral clamping mechanisms (5) are also provided on the front and rear sides of the surface of the carrier plate (3), and the lateral clamping mechanisms (5) are used for clamping the lithium battery cells. 2. A lithium battery cell stacking device according to claim 1, characterized in that: the upper cover end hand-changing assembly (41) is composed of an upper support seat (411), a hand-changing cylinder (412) and an upper vacuum suction cup (413), the upper support seat (411) is fixedly connected to the surface of the supporting plate (3), and the surface of the upper support seat (411) is equipped with a hand-changing cylinder (412), and the output end of the hand-changing cylinder (412) passes through the upper support seat (411) and is equipped with an upper vacuum suction cup (413), and the upper vacuum suction cup (413) is used for the adsorption of lithium battery cells. 3. A lithium battery cell stacking device according to claim 2, characterized in that: the lower cover end hand-changing assembly (42) includes a lower support seat (421) and a lower vacuum suction cup (422), the lower support seat (421) is fixedly connected to the surface of the supporting plate (3), and a lower vacuum suction cup (422) is fixed on the surface of the lower support seat (421), and the lower vacuum suction cup (422) is used for adsorption of lithium battery cells. 4. A lithium battery cell stacking device according to claim 1, characterized in that: the lateral clamping mechanism (5) is composed of a clamping plate (51), a clamping cylinder (52) and a connecting rod (53), and the clamping plate (51) is provided in two groups; the two groups of clamping plates (51) are slidably arranged on the surface of the supporting plate (3), and the clamping plates (51) are used for clamping the lithium battery cells. 5. A lithium battery cell stacking device according to claim 4, characterized in that: a clamping cylinder (52) is fixed to the surface of the supporting plate (3), and the output end of the clamping cylinder (52) is fixedly connected to the surface of the clamping plate (51), and a connecting rod (53) is rotatably connected to the surface of the supporting plate (3) between adjacent clamping plates (51), and at the same time, both ends of the connecting rod (53) are rotatably matched with the surface of the clamping plate (51). 6. A lithium battery cell stacking device according to claim 4, characterized in that: the rotating mechanism (6) is composed of a servo motor (61), a gear (62) and a gear wheel (63), the servo motor (61) is fixedly connected to the inside of the base (1), and the output end of the servo motor (61) is fixedly mounted with a gear (62). 7. A lithium battery cell stacking device according to claim 6, characterized in that: the toothed disc (63) is fixedly connected to the bottom of the frame (2), and the toothed disc (63) and the gear (62) are meshed with each other.