Crimping device for battery welding

Abstract

The utility model relates to the technical field of battery production, in particular to a crimping device for battery welding, which comprises a guide beam. The sliding seat is in sliding fit with the guide beam; and the crimping assembly is provided with a crimping surface, the crimping assembly is connected with an adjusting rod, the adjusting rod is in threaded connection with the sliding seat, the adjusting rod is perpendicular to the crimping surface, and the crimping assembly can move relative to the sliding seat by rotating the adjusting rod. By moving the sliding seat along the guide beam, the position adjustment of the crimping surface along the longitudinal direction of the guide beam can be realized; by rotating the adjusting rod, the relative positions of the crimping assembly and the sliding seat can be adjusted, and the crimping surface can abut against the to-be-welded component; by moving the guide beam, the crimping assembly is matched with the to-be-welded components at different positions so as to adapt to crimping of the to-be-welded components at different positions, the welding requirements of products at different positions can be met, the manufacturing cost of the device is saved, and the production efficiency of the products is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production, in particular to a crimping device for battery welding. Background Art

[0002] During the welding of the copper bars connected in series in the existing module battery production process, the welding machine performs laser welding on the copper bars distributed in various places in the battery box respectively. During welding, a crimping device is required to press the copper bars tightly.

[0003] However, the positions of the copper bars in the battery cases of different models of products are different, and the heights of the copper bars at different positions in the same battery case are different relative to the case. The existing crimping devices are generally customized according to the positions and heights of the copper bars to be welded, and cannot be adjusted during use, resulting in a high manufacturing cost of the crimping device and a long production cycle, which affects the battery production efficiency. Utility Model Content

[0004] The utility model aims to overcome the technical problems in the prior art that the crimping device cannot be adjusted during use, has a high manufacturing cost, a long production cycle, and affects battery production efficiency, and provides a crimping device for battery welding.

[0005] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0006] A crimping device for battery welding comprises a guide beam; a slide seat, the slide seat and the guide beam are slidably matched; a crimping assembly, the crimping assembly is provided with a welding channel, the crimping assembly is connected to an adjusting rod, the adjusting rod is threadedly connected to the slide seat, and the crimping assembly can move relative to the slide seat by rotating the adjusting rod.

[0007] The utility model discloses a battery welding crimping device, which can adjust the position of the crimping surface along the longitudinal direction of the guide beam by moving a slide seat along the guide beam; can adjust the relative position of the crimping assembly and the slide seat by rotating an adjusting rod, so as to achieve the abutment of the crimping surface against the component to be welded; and can match the crimping assembly with components to be welded at different positions by moving the guide beam to adapt to the crimping of components to be welded at different positions, thereby meeting the welding requirements of products at different positions, saving the manufacturing cost of the device, and improving the production efficiency of the product.

[0008] As a preferred solution of the utility model, the slide seat includes a hook part adapted to the guide beam, and the hook part is provided with a limiter, and the limiter is used to limit the slide seat to the guide beam. After the slide seat moves along the guide beam, the position can be fixed by the limiter, ensuring that the position of the slide seat relative to the guide beam is stable during use.

[0009] As a preferred solution of the utility model, the hook part is provided with a guide rail, the crimping assembly is slidably matched with the guide rail, the longitudinal direction of the guide rail is perpendicular to the longitudinal direction of the guide beam, and the adjusting rod is parallel to the guide rail. The crimping assembly and the slide seat are slidably matched through the guide rail, and the connection relationship is stable, ensuring that the crimping device has a stable structure during use.

[0010] As a preferred solution of the utility model, a support portion is provided on the hook portion, and the adjustment rod is threadedly connected to the support portion, so as to facilitate the arrangement of the adjustment rod.

[0011] As a preferred solution of the utility model, the crimping assembly includes: a slider, the slider is slidably matched with the guide rail, the adjusting rod is rotatably connected with the slider; a pressure plate, the crimping surface is arranged on the side of the pressure plate away from the slider, the pressure plate is connected with the slider through a guide column, the guide column is slidably matched with the slider or the pressure plate; a spring, the spring is sleeved on the guide column. The slider can be driven to move toward the pressure plate along the guide rail by the adjusting rod, the spring is squeezed, and the clamping force is provided by the spring compression force, and the clamping force can be adjusted by adjusting the adjusting rod.

[0012] As a preferred solution of the utility model, the slider is provided with a first through hole, the pressure plate is provided with a second through hole, the first through hole and the second through hole are connected to form a welding channel, and the guide columns are provided on both sides of the welding channel to circle the welding position through the welding channel, thereby improving the welding quality.

[0013] As a preferred solution of the utility model, a copper sleeve is embedded in the second through hole, and the copper sleeve extends out of the second through hole away from the slider, and the copper sleeve is used to press the component to be welded. The copper sleeve is brought into contact with the component to be welded, and the welding position is circled to improve the welding quality.

[0014] As a preferred solution of the utility model, the guide beam is provided with a support, and the supports are arranged opposite to each other at the longitudinal ends of the guide beam, and the supports are provided with fixing holes, so that the guide beam can be arranged above the component to be welded through the support, and the guide beam can be moved relative to the component to be welded according to actual conditions, further expanding the adjustable range of the crimping device to adapt to the welding of components to be welded at different positions.

[0015] As a preferred solution of the utility model, the guide beam is provided with a handle portion, and the handle portions are arranged opposite to each other at two longitudinal ends of the guide beam to facilitate the movement of the guide beam.

[0016] As a preferred solution of the utility model, more than one slide seat is slidably disposed on the guide beam, and each of the slide seats is connected to the crimping assembly.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. By moving the slide along the guide beam, the position of the crimping surface along the longitudinal direction of the guide beam can be adjusted;

[0019] 2. By rotating the adjusting rod, the relative position of the crimping assembly and the slide seat can be adjusted to achieve the abutment of the crimping surface against the component to be welded;

[0020] 3. By moving the guide beam, the crimping assembly is matched with components to be welded at different positions to adapt to the crimping of components to be welded at different positions;

[0021] 4. It can meet the welding requirements of different product positions, save device manufacturing costs, and improve product production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a side view of a battery welding crimping device according to the utility model. Figure 1 ;

[0023] Figure 2 This is a side view of a battery welding crimping device according to the utility model. Figure 2 ;

[0024] Figure 3 This is a front view of a battery welding crimping device of the utility model;

[0025] Figure 4 It is a side view of a battery welding crimping device of the utility model;

[0026] Figure 5 It is a structural schematic diagram of the combination of the slide seat and the crimping assembly in Example 1;

[0027] Figure 6 This is a schematic diagram of the explosion structure of the slide seat described in Example 3;

[0028] Figure 7 This is a diagram of the use state of a battery welding crimping device of the utility model;

[0029] Markings in the figure: 1-guide beam, 2-slide seat, 21-hook part, 22-support part, 23-limiting piece, 3-crimping assembly, 31-slider, 32-pressure plate, 33-guide column, 34-spring, 4-welding channel, 41-first through hole, 42-second through hole, 5-adjusting rod, 6-guide rail, 7-copper sleeve, 8-support, 81-fixing hole, 9-handle part. DETAILED DESCRIPTION

[0030] The present invention is further described in detail below in combination with test examples and specific implementation methods. However, this should not be understood as the scope of the above subject matter of the present invention being limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.

[0031] In the description of the specific embodiments of the present invention, unless otherwise specified, the terms indicating the orientation or position relationship such as "upper", "lower", "left", "right", "center", "inside", "outside", etc. are all expressions based on the orientation or position relationship shown in the drawings, or the orientation or position relationship of the product / equipment / device of the utility model when it is usually used. These terms of orientation or position relationship are only for the convenience of describing the scheme of the utility model or simplifying the description in the specific embodiments, so that technicians can quickly understand the scheme, rather than indicating or implying that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific position relationship, and therefore cannot be understood as a limitation on the present invention.

[0032] In addition, if the terms "horizontal", "vertical", "overhanging", "parallel" and the like appear, it does not mean that the corresponding devices / components / elements are required to be absolutely horizontal or vertical or overhanging or parallel, but may be slightly tilted or have deviations. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but may be slightly tilted. Alternatively, it can be simplified to mean that the corresponding devices / components / elements are set in directions such as "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction setting, more preferably an error / deviation within ±8%, more preferably an error / deviation within ±6%, more preferably an error / deviation within ±5%, and more preferably an error / deviation within ±4%. As long as the corresponding devices / components / elements are within the error / deviation range, they can still achieve their functions in the solution of the utility model.

[0033] In addition, the expressions “first”, “second”, “third”, etc. that appear in the terms are merely descriptions used to distinguish the same or similar components and should not be understood as emphasizing or implying the relative importance of specific components.

[0034] In addition, in the description of the embodiments of the present invention, "several", "multiple" and "a number" represent at least 2. It can be any number such as 2, 3, 4, 5, 6, 7, 8, 9, and even more than 9.

[0035] In addition, in the description of the technical solution of the utility model, unless otherwise clearly specified / defined / restricted, the terms "set", "install", "connect", "connected", "provided with", "laid", and "arranged" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, and can be welding, riveting, bolting, threading, and other commonly used connection means in the field. This connection can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal communication of two components.

[0036] Example 1

[0037] like Figure 1-Figure 5 As shown, a crimping device for battery welding includes a guide beam 1; a slide 2, the slide 2 and the guide beam 1 are slidably matched; a crimping assembly 3, a crimping surface is provided on the crimping assembly 3, the crimping assembly 3 is connected to an adjusting rod 5, the adjusting rod 5 is threadedly connected to the slide 2, the adjusting rod 5 is perpendicular to the crimping surface, and the adjusting rod 5 is rotated so that the crimping assembly 3 can move relative to the slide 2; the slide 2 includes a hook portion 21 adapted to the guide beam 1, the hook portion 21 is provided with a limiter 23, the limiter 23 is used to limit the slide 2 to the guide beam 1, the hook portion 21 is provided with a support portion 22, and the adjusting rod 5 is threadedly connected to the support portion 22.

[0038] The present embodiment is a crimping device for battery welding, wherein the guide beam 1 is preferably an aluminum profile rod, and the slide 2 is slidably matched with the guide beam 1 via a hook portion 21, so that the slide 2 is easily replaced, so that a single guide beam 1 can adapt to the settings of different crimping assemblies 3, thereby expanding the adaptability of the crimping device.

[0039] Preferably, Figure 5 As shown, the hook portion 21 is a structural member with a bent shape formed by combining plate-like structural members, so as to facilitate the installation and replacement of the slide seat 2 on the guide beam 1.

[0040] Preferably, more than one slide seat 2 is slidably disposed on the guide beam 1, and each slide seat 2 is connected to the crimping assembly 3. Figure 1 As shown, in this embodiment, two slide seats 2 are taken as an example for demonstration.

[0041] Preferably, Figure 4 As shown, a through hole is provided on the hook portion 21, and a limiter 23 is provided, so that after the slide 2 moves into position along the guide beam 1, the limiter 23 presses against the guide beam 1 to fix the relative position of the slide 2 and the guide beam 1, thereby ensuring that the position of the slide 2 relative to the guide beam 1 is stable during use.

[0042] Preferably, the limiting member 23 is a butterfly nut.

[0043] The present embodiment provides a crimping device for battery welding. When in use, the position of the crimping surface along the longitudinal direction of the guide beam 1 can be adjusted by moving the slide 2 along the guide beam 1, so that the crimping device can adapt to the crimping of the component to be welded that has a lateral distance relative to the guide beam 1; by rotating the adjusting rod 5, the relative position of the crimping assembly 3 and the slide 2 can be adjusted to achieve the abutment of the crimping surface against the component to be welded. The clamping force of the crimping surface can be adjusted by the adjusting rod 5, so that the crimping device can adapt to the crimping of the component to be welded that has a vertical distance relative to the guide beam 1; by moving the guide beam 1, the crimping assembly 3 can be matched with the components to be welded at different positions to adapt to the crimping of components to be welded at different positions.

[0044] The crimping device of this embodiment has a crimping surface which is a surface of the crimping assembly 3 used to abut against the workpiece to be welded to achieve clamping of the workpiece to be welded, and is preferably a plane parallel to the bottom surface of the guide beam 1. This embodiment realizes the adjustment of the crimping surface in three different directions of XYZ through the coordinated arrangement of the guide beam 1, the slide 2 and the adjusting rod 5, wherein the X direction is the horizontal direction along the moving direction of the guide beam 1, the Y direction is the horizontal direction of the movement of the slide 2 along the guide beam 1, and the Z direction is the longitudinal direction of the adjusting rod 5, so that the crimping device can meet the welding requirements of the components to be welded on the products in a flat state, provide a clamping force in the vertical direction from top to bottom or from bottom to top, save manufacturing costs, and improve product production efficiency.

[0045] Preferably, the guide beam 1 is provided with a support 8, and the support 8 is arranged opposite to each other at the longitudinal ends of the guide beam 1, and the support 8 is provided with a fixing hole 81. The guide beam 1 can be arranged above the component to be welded through the support 8, and the guide beam 1 can be moved relative to the component to be welded according to actual conditions. After moving into place, the guide beam 1 is fixed by a connecting piece passing through the fixing hole 81, further expanding the adjustable range of the crimping device to adapt to the welding of components to be welded at different positions, such as Figure 7 As shown, taking the welding of copper busbars in a pack box by means of the crimping device as an example, the guide beam 1 can be matched with the top surface of the pack box through the support 8, and the guide beam 1 is fixed on the pack box by limiting the connection between the support 8 and the box cover hole on the pack box. The slide 2 moves along the guide beam 1 to above the copper busbar, and the crimping assembly 3 is made to abut the top surface of the copper busbar by rotating the adjusting rod 5, so as to achieve the compression of the copper busbar and provide a stable structural foundation for the welding process.

[0046] Preferably, the guide beam 1 is provided with a handle 9, and the handles 9 are arranged opposite to each other at two longitudinal ends of the guide beam 1 to facilitate the movement of the guide beam 1.

[0047] Example 2

[0048] A crimping device for battery welding in this embodiment is based on embodiment 1, wherein a guide rail 6 is provided on the hook portion 21, the crimping assembly 3 is slidably matched with the guide rail 6, the longitudinal direction of the guide rail 6 is perpendicular to the longitudinal direction of the guide beam 1, and the adjusting rod 5 is parallel to the guide rail 6.

[0049] A crimping device for battery welding in this embodiment realizes the sliding fit between the crimping assembly 3 and the slide 2 by means of a guide rail 6 arranged on the slide 2, so that the connection relationship between the crimping assembly 3 and the slide 2 is stable, ensuring the structural stability of the crimping device during use, and the guide rail 6 has a guiding function, which can make the crimping position of the crimping surface more accurate, thereby improving the welding efficiency and welding quality.

[0050] Example 3

[0051] A crimping device for battery welding according to this embodiment is based on embodiment 1 or embodiment 2, wherein the crimping assembly 3 includes: a slider 31, wherein the slider 31 is slidably matched with the guide rail 6, and the adjusting rod 5 is rotatably connected with the slider 31; a pressure plate 32, wherein the crimping surface is arranged on a side of the pressure plate 32 away from the slider 31, and the pressure plate 32 is connected to the slider 31 via a guide column 33, and the guide column 33 is slidably matched with the slider 31 or the pressure plate 32; and a spring 34, wherein the spring 34 is sleeved on the guide column 33.

[0052] A battery welding crimping device in this embodiment can drive the slider 31 to move along the guide rail 6 toward the pressure plate 32 through the adjusting rod 5, squeeze the spring 34, provide a clamping force through the compression force of the spring 34, and adjust the clamping force by adjusting the adjusting rod 5.

[0053] Preferably, the slider 31 is provided with a first through hole 41, the pressing plate 32 is provided with a second through hole 42, the first through hole 41 and the second through hole 42 are connected to form a welding channel 4, and the guide columns 33 are provided on both sides of the welding channel 4. The welding position can be circled through the welding channel 4 to improve the welding quality.

[0054] In this embodiment, the slider 31 is preferably a block structure assembled from plate-like or block-like structures. One side of the slider 31 is slidably matched with the guide rail 6, and the top surface is rotatably matched with the adjusting rod 5. A plate-like structure parallel to the pressure plate 32 is extended on the other side relative to the guide rail 6. The plate-like structure is connected to the pressure plate 32 through a guide column 33. In order to realize the movement function of the guide column 33, the guide column 33 is inserted into one end of the slider 31 to set a sliding sleeve that can prevent the guide column 33 from slipping out. The sliding sleeve is then limitedly connected to the slider 31 by screws, so that the guide column 33 has a certain movement function in its own longitudinal direction, which can match the relative movement of the pressure plate 32 and the slider 31, and then the squeezing spring 34 provides a clamping force. At the same time, a first through hole 41 is set on the plate-like structure of the slider 31, and a second through hole 42 is set on the pressure plate 32 to form a welding channel 4.

[0055] Preferably, a copper sleeve 7 is embedded in the second through hole 42, and the copper sleeve 7 extends out of the second through hole 42 away from the slider 31. The copper sleeve 7 is used to press the component to be welded. The copper sleeve 7 is brought into contact with the component to be welded, and the welding position is circled to improve the welding quality.

Claims

1. A battery welding crimping device, characterized in that: include: Guide beam (1); A sliding seat (2), the sliding seat (2) and the guide beam (1) are slidably matched; A crimping assembly (3), wherein the crimping assembly (3) is provided with a crimping surface, the crimping assembly (3) is connected to an adjusting rod (5), the adjusting rod (5) is threadedly connected to the slide seat (2), and the adjusting rod (5) is perpendicular to the crimping surface; By rotating the adjusting rod (5), the crimping assembly (3) can move relative to the sliding seat (2).

2. A battery welding crimping device as claimed in claim 1, characterized in that: The slide seat (2) comprises a hook portion (21) adapted to the guide beam (1), the hook portion (21) being provided with a limiting member (23), the limiting member (23) being used to limit the slide seat (2) to the guide beam (1).

3. A battery welding crimping device as claimed in claim 2, characterized in that: A guide rail (6) is provided on the hook portion (21), the crimping assembly (3) is slidably matched with the guide rail (6), the longitudinal direction of the guide rail (6) is perpendicular to the longitudinal direction of the guide beam (1), and the adjustment rod (5) is parallel to the guide rail (6).

4. A battery welding crimping device as claimed in claim 2, characterized in that: The hook portion (21) is provided with a support portion (22), and the adjustment rod (5) is threadedly connected to the support portion (22).

5. A battery welding crimping device as claimed in claim 3, characterized in that: The crimping assembly (3) comprises: A slider (31), the slider (31) is slidably matched with the guide rail (6), and the adjustment rod (5) is rotationally connected to the slider (31); A pressing plate (32), wherein the pressing surface is arranged on a side of the pressing plate (32) away from the sliding block (31), the pressing plate (32) and the sliding block (31) are connected via a guide column (33), and the guide column (33) is slidably matched with the sliding block (31) or the pressing plate (32); A spring (34) is sleeved on the guide column (33).

6. A battery welding crimping device as claimed in claim 5, characterized in that: The slider (31) is provided with a first through hole (41), the pressure plate (32) is provided with a second through hole (42), the first through hole (41) and the second through hole (42) are connected to form a welding channel (4), and the guide columns (33) are provided on both sides of the welding channel (4) opposite to each other.

7. A battery welding crimping device as claimed in claim 6, characterized in that: A copper sleeve (7) is embedded in the second through hole (42), and the copper sleeve (7) extends out of a side of the second through hole (42) away from the slider (31). The copper sleeve (7) is used to press the component to be welded.

8. A battery welding crimping device according to any one of claims 1 to 7, characterized in that: The guide beam (1) is provided with a support (8), the supports (8) are arranged opposite to each other at two longitudinal ends of the guide beam (1), and the support (8) is provided with a fixing hole (81).

9. A battery welding crimping device as claimed in claim 8, characterized in that: The guide beam (1) is provided with a handle portion (9), and the handle portions (9) are arranged opposite to each other at two longitudinal ends of the guide beam (1).

10. A battery welding crimping device according to any one of claims 1 to 7, characterized in that: More than one slide seat (2) is slidably arranged on the guide beam (1), and each of the slide seats (2) is connected to the crimping assembly (3).

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