Energy storage production line square battery cell automatic transfer tool

Abstract

The utility model discloses a kind of automatic transfer tool of energy storage square cell production line, it is related to the technical field of energy storage module automation production, including tooling plate base, the tooling plate base is equipped with the cell limiting block for stabilizing square cell, the four corners position of the tooling plate base is equipped with guide pulley, the tooling plate base is equipped with nylon buffer block, the tooling plate base is equipped with locating block;The tooling plate base bottom is provided with locking hole;The tooling plate base bottom is provided with base pad;The utility model reduces tooling and conveying line direct friction by base pad, avoid tooling plate base long-term deformation;Eight cell limiting blocks are arranged according to edge angle and form surrounding type limiting, limit cell multidirectional displacement, prevent displacement tilt in transfer;Four corner guide pulley guides tooling to move along preset trajectory, avoid edge scratch;At least four symmetric nylon buffer blocks utilize elastic absorption sudden stop impact energy, block direct collision.

Description

Technical Field

[0001] This utility model relates to the field of automated production technology of energy storage modules, specifically to an automatic transfer fixture for square battery cells in an energy storage production line. Background Technology

[0002] Against the backdrop of the rapid development of the energy storage battery industry, prismatic cells have become one of the core components of energy storage systems due to their advantages such as high energy density and structural stability. In the large-scale production of prismatic cells, automated transfer fixtures are key equipment connecting various production processes (such as cell casing, terminal welding, and module assembly).

[0003] In existing technologies, the transfer of square battery cells is mostly achieved using transfer trolleys. However, existing transfer trolleys lack components for fixing the battery cells, and the battery cells are prone to displacement and tilting during the transfer process. This can lead to assembly failure or damage to the battery cells in subsequent processes due to positioning deviations. Furthermore, the contact points between the existing transfer trolleys and the battery cells lack targeted buffering and insulation designs. During the transfer process, the battery cell shell is easily damaged, the terminal post is deformed, and even the internal structure of the battery cell may be destroyed due to bumps and scrapes.

[0004] To address these issues, we designed an automated transfer fixture for square battery cells in an energy storage production line. Utility Model Content

[0005] The purpose of this invention is to provide an automatic transfer fixture for square battery cells in an energy storage production line to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, this utility model provides an automatic transfer fixture for square battery cells in an energy storage production line, including a fixture plate base, a battery cell limiting block for stabilizing the square battery cells on the fixture plate base, guide pulleys at the four corners of the fixture plate base, nylon buffer blocks on the fixture plate base, and positioning blocks on the fixture plate base; a locking hole is opened at the bottom of the fixture plate base; and a base pad is provided at the bottom of the fixture plate base.

[0007] Furthermore, the tooling plate base surface is provided with a nameplate and positioning marks, wherein the nameplate is used to display material information, and together with the positioning marks, it enables human and machine vision recognition.

[0008] Furthermore, the battery cell limiting blocks are fixed to the tooling plate base in groups of eight to surround the square battery cell and limit the position of each side.

[0009] Furthermore, there are two locking holes, which are symmetrically and alternately arranged on the tooling plate base. The locking holes are used to connect with the photoelectric sensors of the conveyor line.

[0010] Furthermore, the positioning mark is "L" shaped and is used for manual and machine vision identification of the tooling plate orientation and to prevent mistakes.

[0011] Furthermore, the number of nylon buffer blocks is at least four, and they are arranged in pairs, symmetrically connected to both sides of the tooling plate base. The nylon buffer blocks are used to block the tooling and buffer the impact force of sudden stops during transportation.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. The base pad reduces direct friction between the tooling and the conveyor line, preventing long-term deformation of the tooling base; eight battery cell limiting blocks are arranged at the corners to form an encircling limit, restricting multi-directional displacement of the battery cells and preventing displacement and tilting during transport; four corner guide pulleys guide the tooling to move along a preset trajectory, avoiding edge scraping; at least four symmetrical nylon buffer blocks use elasticity to absorb the impact energy of sudden stops and block direct collisions.

[0013] 2. Two staggered symmetrical locking holes, in conjunction with a photoelectric sensor, trigger an alarm when the cell is placed in reverse, preventing incorrect cell installation orientation. Positioning marks assist manual orientation identification and avoid problems such as misaligned electrode welding. The nameplate clearly displays cell information to prevent incorrect materials. Positioning blocks enhance the rigidity of the base. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the overall external structure of this utility model; Figure 2 This is a schematic diagram of the bottom structure of this utility model.

[0015] In the diagram: 1. Tooling plate base; 2. Battery cell limiting block; 3. Nameplate; 4. Guide pulley; 5. Nylon buffer block; 6. Positioning block; 7. Locking hole; 8. Base pad; 9. Positioning mark. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-2This utility model provides a technical solution: an automatic transfer fixture for square battery cells in an energy storage production line, including a fixture base 1, a battery cell limiting block 2 for stabilizing the square battery cells on the fixture base 1, guide pulleys 4 at the four corners of the fixture base 1, nylon buffer blocks 5 on the fixture base 1, and positioning blocks 6 on the fixture base 1; a locking hole 7 is opened at the bottom of the fixture base 1; and a base pad 8 is provided at the bottom of the fixture base 1.

[0018] In practice, the cell limiting block 2 is directly fixed to the tooling plate base 1. By fitting against each side of the square cell, it forms a surrounding limiting effect on the cell. The nylon buffer block 5 is assembled on the tooling plate base 1. When the transfer stops suddenly or comes into contact with the conveyor line components, its elastic material can absorb the impact energy. At the same time, its own structure can prevent direct collision with the tooling plate base 1. The guide pulley 4 is assembled at the four corners of the tooling plate base 1. When the conveyor line such as the double-speed chain is running, the pulley rolls to guide the tooling and prevent the edge of the tooling plate base 1 from rubbing against the conveyor line. The base pad 8 is set on the tooling plate. At the bottom of base 1, friction loss between the tooling and the conveyor line is reduced to ensure that the tooling base 1 can stably support components such as the cell limiting block 2 for a long time, and to avoid limiting failure due to deformation of the tooling base 1. The positioning block 6 is fixed on the tooling base 1, which enhances the overall structural rigidity of the base and provides a reference for subsequent machine vision positioning. The locking hole 7 is opened at the bottom of the tooling base 1, and a cooperation interface with the photoelectric sensor of the conveyor line is reserved for locking. In addition, the locking hole 7 can also identify the tooling direction through the sensor, and avoid the error of cell installation direction caused by reverse tooling.

[0019] See Figure 1-2 The tooling plate base 1 has a nameplate 3 and a positioning mark 9 on its surface. The nameplate 3 is used to display material information, and together with the positioning mark 9, it enables recognition by human and machine vision.

[0020] In practice, the nameplate 3 is printed on the surface of the tooling base 1, which can display material information such as cell model or batch. The positioning mark 9 is used in conjunction with the nameplate 3 to facilitate manual identification and machine vision scanning.

[0021] See Figure 1-2 The battery cell limiting blocks 2 are fixed to the tooling plate base 1 in groups of eight to surround the square battery cell and limit the position of each side.

[0022] In practice, eight cell limiting blocks 2 can be fixed to the tooling base 1 according to the layout of the square cell in the top, bottom, left, right and four corners, forming a multi-directional enclosure of the cell. Each cell limiting block 2 corresponds to a specific corner of the cell, restricting the displacement of the cell in various directions.

[0023] See Figure 1-2There are two locking holes 7, and the two locking holes 7 are symmetrically arranged on the tooling plate base 1. The locking holes 7 are used to match the photoelectric sensor of the conveyor line.

[0024] In practice, two locking holes 7 are staggered and symmetrically opened at the bottom of the tooling plate base 1. The two photoelectric sensors of the conveyor line correspond to the two holes respectively. If the tooling is placed in reverse, the sensors cannot identify the two holes at the same time, triggering an alarm or stopping the machine. However, the existing transfer trolley has no foolproof design. If the battery cell is placed in reverse by hand, it is easy to cause the welding head of the subsequent electrode welding to be misaligned with the battery cell electrode, resulting in electrode melting and battery cell scrap. The staggered and symmetrical locking holes 7 can automatically identify the direction through the sensors, preventing reverse placement and avoiding battery cell damage caused by incorrect direction.

[0025] See Figure 1-2 Positioning mark 9 is "L" shaped and is used for manual and machine vision identification of tooling plate orientation and error prevention.

[0026] In practice, the “L”-shaped positioning mark 9 is printed on the surface of the tooling base 1. The asymmetrical “L”-shaped structure has a certain directional orientation, which allows people to quickly identify the front and back of the tooling, and machine vision can also locate the tooling direction through the outline features of the “L” shape.

[0027] See Figure 1-2 The number of nylon buffer blocks 5 is at least four, and they are arranged in pairs, symmetrically connected on both sides of the tooling plate base 1. The nylon buffer blocks 5 are used to block the tooling and buffer the impact force of sudden stop during the transfer process.

[0028] In practice, four nylon buffer blocks 5 are symmetrically arranged on both sides of the tooling base 1, with two on each side forming a group. When the tooling stops suddenly or collides, the buffer blocks on both sides are subjected to force simultaneously, absorbing the impact energy evenly and avoiding tilting caused by force on one side of the tooling. The symmetrical arrangement of the nylon buffer blocks 5 can ensure the balance of force on the tooling and prevent local damage to the battery cell caused by impact on one side.

[0029] Working principle: First, the base pad 8 contacts the conveyor line such as the double speed chain. The base pad 8 is set at the bottom of the tooling plate base 1, which can reduce the direct friction loss between the tooling and the conveyor line and avoid the tooling plate base 1 from deforming due to long-term friction. At the same time, the positioning block 6 fixed on the tooling plate base 1 enhances the overall structural rigidity of the base and prevents the tooling from loosening after carrying the battery cell. When it is necessary to transfer square battery cells, the operator or automated robot places the battery cells on the tooling plate base 1. At this time, eight limit blocks are fixed to the tooling plate base 1 according to the layout of the battery cells up, down, left, right and four corners, and fit with each side and corner of the square battery cell to form a surrounding limit on the battery cells. Each limit block corresponds to a specific side or corner of the battery cell, which can limit the displacement of the battery cell in multiple directions and prevent the battery cells from shifting or tilting during subsequent transfer. After the battery cells are loaded, the conveyor line starts and drives the tooling to move. At this time, the guide pulleys 4 assembled at the four corners of the tooling plate base 1 use the rolling characteristics of the guide pulleys 4 to make the tooling move along the preset trajectory when it moves on the conveyor line, so as to avoid the edge of the tooling plate base 1 scraping against the side wall of the conveyor line or adjacent tooling. During the tooling transfer process, the two staggered symmetrical locking holes 7 at the bottom of the tooling plate base 1 work in conjunction with the photoelectric sensors of the conveyor line. If the tooling is placed in reverse due to human error or equipment failure, the two photoelectric sensors will not be able to identify the staggered symmetrical locking holes 7 at the same time, and will immediately trigger the production line alarm or stop the machine, thus preventing the incorrect installation direction of the battery cells caused by the reversed tooling. Secondly, the positioning marks 9 on the surface of the tooling base 1 can provide an auxiliary identification effect: the operator can quickly identify the front and back of the tooling; If an emergency stop is required during the transfer process due to production line scheduling, at least four nylon buffer blocks 5 mounted on the tooling plate base 1 will absorb the impact energy during the emergency stop by utilizing the elastic properties of nylon material. At the same time, the buffer blocks will prevent direct collisions between the tooling plate base 1 and the conveyor line stop or adjacent tooling through their own structure. Among them, the nameplate 3 can be printed with material information such as cell model and batch number. Operators can confirm the cell specifications through the nameplate 3 to avoid incorrect materials. The positioning block 6 serves as the benchmark for machine vision positioning. The machine vision system identifies the position of the positioning block 6 to determine the real-time coordinates of the tooling and the cell, and guides the automated equipment of the subsequent process to dock with the cell.

Claims

1. An automatic transfer fixture for square battery cells in an energy storage production line, characterized in that, The tooling base (1) includes a cell limiting block (2) for stabilizing the square cell, guide pulleys (4) at the four corners of the tooling base (1), nylon buffer blocks (5) and positioning blocks (6) on the tooling base (1); locking holes (7) are opened at the bottom of the tooling base (1); and base pads (8) are provided at the bottom of the tooling base (1).

2. The automatic transfer fixture for square battery cells in an energy storage production line as described in claim 1, characterized in that: The tooling plate base (1) is provided with a nameplate (3) and a positioning mark (9) on its surface. The nameplate (3) is used to display material information and, together with the positioning mark (9), enables human and machine vision recognition.

3. The automatic transfer fixture for square battery cells in an energy storage production line as described in claim 1, characterized in that: The battery cell limiting blocks (2) are fixed on the tooling plate base (1) in groups of eight to surround the square battery cell and limit the position of each side.

4. The automatic transfer fixture for square battery cells in an energy storage production line as described in claim 1, characterized in that: The number of locking holes (7) is two, and the two locking holes (7) are symmetrically arranged on the tooling plate base (1). The locking holes (7) are used to match the photoelectric sensor of the conveyor line.

5. The automatic transfer fixture for square battery cells in an energy storage production line as described in claim 2, characterized in that: The positioning mark (9) is "L" shaped and is used for manual and machine vision identification of tooling plate orientation and error prevention.

6. The automatic transfer fixture for square battery cells in an energy storage production line as described in claim 1, characterized in that: The number of the nylon buffer blocks (5) is at least four, and each pair is connected symmetrically on both sides of the tooling plate base (1). The nylon buffer blocks (5) are used to block the tooling and buffer the impact force of sudden stop during the transfer process.

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