Clamp for stacking and fixing battery modules

Abstract

The utility model provides a battery module stack fixing clamp, including base, fixed support seat, movable support seat and electric control subassembly, movable support seat includes second vertical support seat and movable plate, electric control subassembly is used for driving the movable plate translate along the stack direction of battery module, the supporting block and the movable plate are oppositely arranged on the two sides of the bearing plate. The clamp for stacking and fixing the battery modules, provided by the utility model, can clamp all the battery modules in the battery modules along the stacking direction of the battery modules, and pushes all the battery modules to be tightly pressed in the stacking direction through the translation of the movable plate, so that the thickness of the battery modules in the stacking direction is controlled within a preset range; according to the automatic clamping device, the assembly precision during assembly of the battery modules can be kept, the assembly efficiency of the battery modules can also be improved, the pre-tightening force on each battery module can be better controlled, the automatic clamping process during assembly of the battery modules is achieved, and the problem that the force for extruding the battery modules is not uniform during manual assembly is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy lithium battery processing equipment, in particular to a clamp for stacking and fixing battery modules. Background Art

[0002] The battery module is an energy storage unit between the battery cell and the battery pack. Generally speaking, the battery module is formed by connecting multiple battery cells in series or in parallel, and installing auxiliary components such as busbars and data collection components. Therefore, in the processing of the battery module, it is necessary to stack several battery cells in one direction, and then fix all the battery cells with components such as cable ties. In order to ensure that the battery module can achieve better use effect, it is necessary to control the overall thickness of the battery cells within a certain range after the battery cells are stacked. This thickness control serves the purpose of controlling the size of the battery module on the one hand, and the preload force of the battery cells on the other hand. Therefore, the traditional manual assembly method cannot meet the processing requirements of high-quality battery modules. Manual assembly is not only low in assembly efficiency and poor in assembly accuracy, but also causes damage to the battery cells due to excessive force of manual squeezing of the battery cells, or the size is too large and does not meet the requirements due to insufficient force. Utility Model Content

[0003] The purpose of the utility model is to solve the problem that the manual assembly method in the existing battery module processing process cannot meet the processing requirements of high-quality battery modules, not only has low assembly efficiency and poor assembly accuracy, but also the manual assembly may easily damage the battery cells due to high force, and may easily exceed the size due to low force, and provide a clamp for stacking and fixing battery modules.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a clamp for fixing battery modules stacking, the battery module comprising a plurality of battery modules stacked on each other and a plurality of cable ties surrounding all the battery modules, comprising: a base, the base comprising a horizontal support plate, a supporting plate fixed to the horizontal support plate and arranged along the stacking direction of the battery modules; a fixed support seat, the fixed support seat comprising a first vertical support seat arranged on the horizontal support plate and at least one supporting block fixed on the first vertical support seat and abutting against one side surface of the battery module; a movable support seat, the movable support seat comprising a second vertical support seat fixed to the horizontal support plate and a movable plate movably connected to the second vertical support seat and abutting against the other side surface of the battery module; and an electronic control component, the electronic control component being fixed on the horizontal support plate and used for driving the movable plate of the movable support seat to translate along the stacking direction of the battery modules; the supporting block of the fixed support seat and the movable plate of the movable support seat are relatively arranged on both sides of the length direction of the supporting plate.

[0005] In one of the embodiments, the base further includes four support columns fixed to the bottom of the horizontal support plate, and the connection surfaces between the four support columns and the horizontal support plate are inclined.

[0006] In one embodiment, the four support columns are arranged opposite to each other in pairs, and the height of the two support columns located at the front side of the horizontal support plate is greater than the height of the two support columns located at the rear side of the horizontal support plate.

[0007] In one of the embodiments, a rear support seat is further included, and the rear support seat includes a third vertical support seat fixed on the horizontal support plate and at least one support bar fixed on the third support seat and abutting against the side of the battery module.

[0008] In one embodiment, the first vertical support seat of the fixed support seat includes a first vertical support plate and a first linear bearing fixing the first vertical support plate to the side of the electronic control component.

[0009] In one of the embodiments, two support blocks are disposed on the fixed support seat, and the two support blocks are fixed at intervals along the height direction on a side surface of the first support plate close to the supporting plate.

[0010] In one of the embodiments, the second vertical support seat of the movable support seat includes a seat body, a horizontal slide rail arranged on the seat body, and a driving member fixed on the seat body to drive the movable plate to translate on the horizontal slide rail.

[0011] In one of the embodiments, the movable plate includes an L-shaped bracket and a vertical abutment plate fixed to a side surface of the L-shaped bracket close to the supporting plate, and the vertical abutment plate is provided with a groove for the cable tie of the battery module to be embedded.

[0012] In one embodiment, the L-shaped bracket includes a horizontal adjustment plate fixedly connected to the slider of the horizontal slide rail and a vertical adjustment plate fixed above the horizontal adjustment plate, one side of the vertical adjustment plate is fixedly connected to the driving member, and the other side is fixedly connected to the vertical abutment plate.

[0013] In one embodiment, the second vertical support seat further includes two second linear bearings disposed between the seat body and the vertical adjustment plate.

[0014] The beneficial effect of the battery module stacking and fixing clamp provided by the utility model is that the battery module stacking and fixing clamp provided by the utility model can clamp all the battery modules in the battery module along the stacking direction of the battery module, and push all the battery modules to be pressed in the stacking direction by the translation of the movable plate, so as to control the thickness of the battery module in the stacking direction within a preset range, maintain the assembly accuracy during battery module assembly, and also improve the assembly efficiency of the battery module, and utilize the movable plate to continuously apply horizontal driving force so that the pressure transmitted to each battery module is basically the same, which can better control the preload force on each battery module, realize the automatic clamping process during battery module assembly, and solve the problem of uneven force of squeezing the battery module during manual assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural schematic diagram of a battery module arranged on a battery module stacking and fixing fixture provided by the utility model;

[0016] Figure 2 This is a schematic diagram of a three-dimensional structure of a battery module stacking and fixing fixture provided by the utility model without a battery module arranged thereon;

[0017] Figure 3 This is a side view of a battery module stacking and fixing fixture provided by the utility model without a battery module arranged thereon;

[0018] Figure 4 It is a three-dimensional structural schematic diagram of a movable support seat in a clamp for fixing battery module stacking provided by the utility model.

[0019] Description of reference numerals:

[0020] 100-battery module stacking and fixing fixture;

[0021] 10-base, 11-horizontal support plate, 12-support plate, 13-support column, 13a-connecting surface, 131-support column located at the front side, 132-support column located at the rear side;

[0022] 20-fixed support seat, 21-first vertical support seat, 211-first vertical support plate, 212-first linear bearing;

[0023] 30-movable support seat, 31-second vertical support seat, 311-seat body, 312-horizontal slide rail, 313-driving member, 314-second linear bearing, 32-movable plate, 321-L-shaped bracket, 3211-horizontal adjustment plate, 3212-vertical adjustment plate, 322-vertical abutment plate, 3221-groove;

[0024] 40-rear support seat, 41-third support seat, 42-support bar;

[0025] 50-electronic control assembly, 90-battery module, 91-battery module, 92-cable tie. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] See also Figure 1-Figure 4 , is a battery module stacking and fixing clamp 100 provided by the utility model. The clamp 100 is used to clamp all battery modules 91 in the battery module 90 during the assembly process of the battery module 90, so as to tighten the tie 92 surrounding the outside of all battery modules 91 to achieve the designed thickness requirement of the battery module 90, and make each battery module 91 in the battery module 90 have a certain pre-tightening force to maximize the efficiency of each battery module 91. The battery module 90 to which the clamp 100 provided by the utility model is applicable is as follows Figure 1 As shown, the battery module 90 includes a plurality of battery modules 91 stacked on each other and a plurality of cable ties 92 surrounding all the battery modules 91. In this embodiment, the battery module 90 has eighteen battery modules 91, each battery module 91 is stacked along a horizontal square to form a rectangular structure, and three cable ties 92 are wound in the stacking direction of the battery module 91, and the three cable ties 92 are parallel to each other and arranged at intervals. During the assembly process of the battery module 90, all the battery modules 91 are first placed on the clamp 100 provided by the utility model, and all the battery modules 91 are clamped along the stacking direction by the clamp 100, and then the cable ties 92 are wrapped around the outside of all the battery modules 91 and wrapped along the stacking direction of the battery modules 91, but the cable ties 92 are not locked, and only play a preliminary fixing role. Next, the pressure of the clamp 100 is adjusted so that the total thickness of all the battery modules 91 reaches the thickness when the battery module 90 is designed, and then the cable ties 92 are tightened to provide continuous clamping force for all the battery modules 91 through the cable ties 92. During the assembly process, the clamp 100 provided by the utility model can continuously and smoothly provide clamping force to the battery module 91, so that all battery modules 91 can be aligned in the clamp 100, and each battery module 91 can be uniformly stressed in the stacking direction, and each battery module 91 can have a relatively uniform pre-tightening force in the battery module 90.

[0028] like Figure 2The figure shows a three-dimensional structural diagram of a battery module stacking and fixing fixture 100 provided by the utility model. The battery module stacking and fixing fixture 100 provided by the utility model comprises a base 10, a fixed support seat 20, a movable support seat 30 and an electric control component 50, wherein the base 10 is arranged along the horizontal direction, the fixed support seat 20 and the movable support seat 30 are arranged relatively along the vertical direction, and the movable support seat 30 is driven by the electric control component 50, so that the movable support seat 30 can move horizontally relative to one side of the fixed support seat 20, and clamp the battery module 90 located therein during the horizontal movement.

[0029] Furthermore, if Figure 1 and Figure 2 As shown, the base 10 in the clamp 100 provided by the utility model includes a horizontal support plate 11, a support plate 12 fixed on the horizontal support plate 11 and arranged along the stacking direction of the battery module 91. The horizontal support plate 11 is used to fix the support plate 12, the fixed support seat 20, the movable support seat 30 and the electronic control component 50, so that the fixed support seat 20, the movable support seat 30 and the electronic control component 50 can be arranged around the support plate 12. Among them, the support plate 12 is used to place the battery module 90 that needs to be clamped. During the assembly process, the battery module 90 is placed on the support plate 12, and one side of the battery module 90 is abutted against the fixed support seat 20 on one side of the support plate 12 as much as possible to maintain contact on one side. Then, the movable support seat 30 located on the other side is moved to abut against the other side of the battery module 90, so as to achieve the purpose of clamping and clamping the battery module 90. The direction in which the supporting plate 12 is arranged on the horizontal supporting plate 11 is the stacking direction of the battery modules 91 of the battery module 90 , and thus the direction in which the clamp 100 is clamped is the stacking direction of the battery modules 91 .

[0030] Furthermore, the base 10 in the fixture 100 provided by the present invention further includes four support columns 13 fixed to the bottom of the horizontal support plate 11, and the connection surfaces 13a of the four support columns 13 and the horizontal support plate 11 are arranged at an angle. Figure 3 , which is a side view of the clamp 100 provided by the present invention. The horizontal support plate 11 is arranged in an inclined shape, so that when the battery module 90 is placed on the clamp 100, it will be inclined toward the rear side of the horizontal support plate 11. The purpose of such arrangement is to ensure that when the battery module 90 is placed on the clamp 100, it can be supported by the rear support seat 40 located at the rear side to maintain stability in the front-to-back direction, and will not fall in the front-to-back direction of the horizontal support plate 11.

[0031] Specifically, the four support columns 13 at the bottom of the horizontal support plate 11 are arranged opposite to each other in pairs, wherein the height of the two support columns 131 located at the front side of the horizontal support plate 11 is greater than the height of the two support columns 132 located at the rear side of the horizontal support plate 11. That is, the height of the front side of the horizontal support plate 11 is greater than the height of the rear side, so that all components fixed above the horizontal support plate 11 are inclined toward the rear side of the horizontal support plate 11. The inclination angle of the horizontal support plate 11 in the horizontal direction is less than 30°.

[0032] Furthermore, if Figure 2 As shown, the clamp 100 provided by the present invention further includes a rear support seat 40, which is used to provide effective support force for the rear side of the battery module 90 when the battery module 90 is placed on the support plate 12, thereby preventing the clamp 100 from tipping over when the battery module 90 is placed on the clamp 100. Figure 2 As shown, the rear support seat 40 includes a third vertical support seat 41 fixed on the horizontal support plate 11 and at least one support bar 42 fixed on the third support seat and abutting against the side of the battery module 91. In this embodiment, two support bars 42 are arranged on the third vertical support seat 41, and the two support bars 42 are arranged at intervals in the height direction, and each support bar 42 is arranged parallel to the tie 92 on the battery module 90, and staggered with the tie 92 in the vertical direction.

[0033] Furthermore, if Figure 2 As shown, the fixed support seat 20 in the clamp 100 provided by the utility model includes a first vertical support seat 21 arranged on the horizontal support plate 11 and at least one support block 22 fixed on the first vertical support seat 21 and abutting against one side of the battery module 91. In this embodiment, the first vertical support seat 21 is fixed on the electronic control component 50 and is relatively fixed to the electronic control component 50 and the base 10. The support block 22 arranged on the first vertical support seat 21 is used to abut against the right side of the battery module 90 placed on the supporting plate 12, thereby limiting the relative position of the right side of the battery module 90 on the clamp 100.

[0034] Specifically, the first vertical support seat 21 of the fixed support seat 20 provided by the utility model includes a first vertical support plate 211 and a first linear bearing 212 that fixes the first vertical support plate 211 to the side of the electric control component 50. The first vertical support plate 211 is fixed to the side of the electric control component 50 by the first linear bearing 212, and in order to ensure that the first vertical support plate 211 is always on the same vertical plane, the first vertical support seat 21 is provided with two first linear bearings 212, and the two first linear bearings 212 are located on the upper and lower sides of the first vertical support plate 211. In addition, two support blocks 22 are provided on the fixed support seat 20, and the two support blocks 22 are fixed at intervals along the height direction on one side of the first support plate close to the supporting plate 12, and the sides of the two support blocks 22 directly abut against the right side of the battery module 90, and the heights of the cable ties 92 on the battery module 90 are staggered with each other, so that a cable tie 92 is provided on the top of the upper support block 22, a cable tie 92 is provided between the two support blocks 22, and a cable tie 92 is provided on the bottom of the lower support block 22.

[0035] Furthermore, if Figure 2 As shown, the movable support seat 30 in the clamp 100 provided by the utility model includes a second vertical support seat 31 fixed on the horizontal support plate 11 and a movable plate 32 movably connected to the second vertical support seat 31 and abutting against the other side of the battery module 91. The second vertical support seat 31 is in a horizontally opposite position to the first vertical support seat 21 of the fixed support seat 20 on the horizontal support plate 11. The movable plate 32 is located on the side of the second vertical support seat 31 close to the first vertical support seat 21. The movable plate 32 is moved in the horizontal direction to abut against the left side of the battery module 90 placed on the supporting plate 12, so that the entire battery module 90 is squeezed by the movable plate 32, so that all battery modules 91 in the battery module 90 are tightened in the stacking direction until the compression stops after the preset thickness.

[0036] like Figure 1 As shown, the support block 22 of the fixed support seat 20 and the movable plate 32 of the movable support seat 30 in the clamp 100 are relatively arranged on both sides of the length direction of the supporting plate 12, so that the support block 22 and the movable plate 32 can respectively abut against the left side and the right side of the battery module 90 placed on the supporting plate 12. The horizontal direction from the left side to the right side of the battery module 90 is the stacking direction of all battery modules 91 in the battery module 90, and the purpose of clamping the battery module 90 is achieved by the horizontal movement of the movable plate 32.

[0037] like Figure 4As shown, it is a schematic diagram of the three-dimensional structure of the movable support seat 30 in the clamp 100 provided by the utility model. The second vertical support seat 31 of the movable support seat 30 includes a seat body 311, a horizontal slide rail 312 arranged on the seat body 311, and a driving member 313 fixed on the seat body 311 to drive the movable plate 32 to translate on the horizontal slide rail 312. The horizontal slide rail 312 is arranged in parallel along the stacking direction of the battery module 90, that is, it is arranged in parallel to the length direction of the supporting plate 12. The moving direction and moving distance of the slider on the horizontal slide rail 312 are exactly the moving direction and moving distance of the movable plate 32. The automatic control of the movable plate 32 is realized by the driving member 313. In this embodiment, the movable plate 32 is a driving cylinder fixed on the seat body 311, and the movable plate 32 is driven by the driving cylinder to translate on the horizontal slider 312 along the stacking direction of the battery module 90.

[0038] Specifically, Figure 4 As shown, the movable plate 32 in the movable support seat 30 includes an L-shaped bracket 321 and a vertical abutment plate 322 fixed to the side of the L-shaped bracket 321 close to the supporting plate 12. The L-shaped bracket 321 is arranged on the horizontal slide rail 312 and is fixedly connected to the driving member 313, and the vertical abutment plate 322 is fixedly supported by the L-shaped bracket 321. The vertical abutment plate 322 is used to abut against the left side of the battery module 90 placed on the supporting plate 12, so the vertical abutment plate 322 is provided with a groove 3221 on the side of the side close to the fixed support seat 20 for the cable tie 92 of the battery module 90 to be embedded, so that when the battery module 90 is clamped by the clamp 100, the cable tie 92 can also move in the groove 3221, thereby realizing the tightening operation of the cable tie 92. The L-shaped bracket 321 includes a horizontal adjustment plate 3121 fixedly connected to the slider of the horizontal slide rail 312 and a vertical adjustment plate 3122 fixed above the horizontal adjustment plate 3121. The horizontal adjustment plate 3121 can be used to accurately adjust the horizontal position of the vertical abutment plate 322 in the initial state, so that the vertical abutment plate 322 can better abut against the left side of the battery module 90 during the translation process. At the same time, the horizontal adjustment plate 3121 can also be used to achieve a universal design for battery modules 90 of different thicknesses, thereby meeting the clamping requirements of battery modules 90 of different thicknesses as much as possible. The vertical adjustment plate 3122 can be used to adjust the vertical abutment plate 322 in the initial state in the vertical direction, so that when the vertical abutment plate 322 is clamped on the left side of the battery module 90, each of the cable ties 92 on the battery module 90 can be correspondingly embedded in the groove 3221 with the same height as the vertical abutment plate 322. At the same time, the vertical adjustment plate 3122 serves the purpose of connecting the vertical abutment plate 322 and the driving member 313. One side of the vertical adjustment plate 3122 is fixedly connected to the driving member 313, and the other side is fixedly connected to the vertical abutment plate 322. Figure 4As shown, in order to keep the vertical abutment plate 322 on the same vertical plane, the second vertical support seat 31 provided by the utility model further includes two second linear bearings 314 disposed between the seat body 311 and the vertical adjustment plate 3122. The two second linear bearings 314 are respectively located on the upper and lower sides of the vertical abutment plate 322.

[0039] Furthermore, if Figure 1 and Figure 2 As shown, the electric control component 50 in the clamp 100 provided by the utility model is fixed on the horizontal support plate 11 to drive the movable plate 32 of the movable support seat 30 to translate along the stacking direction of the battery module 91. The electric control component 50 is provided with a power switch, through which the power of the entire clamp 100 can be controlled to be turned on and off. The electric control component 50 is also provided with a driving unit for controlling the driving member 313 of the movable support seat 30. The driving unit is used to control the driving direction and precise driving distance of the driving member 313, so as to achieve the purpose of controlling the overall thickness of the battery module 90 by using the clamp 100. At the same time, the electric control component 50 can also be provided with a pressure sensor to detect the pressure of the entire battery module 90 when it is clamped on the clamp 100, so as to ensure that the clamping force meets the force range of the battery module 91, and avoid damage to the battery module 91 due to excessive pressure.

[0040] Compared with the prior art, the battery module stacking and fixing fixture 100 provided by the present invention has the following beneficial effects:

[0041] 1. The battery module stacking and fixing fixture 100 provided by the utility model can clamp all the battery modules 91 in the battery module 90 along the stacking direction of the battery module 90, and push all the battery modules 91 to be pressed in the stacking direction by the translation of the movable plate 32, so as to control the thickness of the battery module 90 in the stacking direction within a preset range, maintain the assembly accuracy of the battery module 90 during assembly, and improve the assembly efficiency of the battery module 90;

[0042] 2. The movable plate 32 is used to continuously apply a horizontal driving force so that the pressure transmitted to each battery module 91 is basically consistent, which can better control the preload force on each battery module 91 and realize the automatic clamping process during the assembly of the battery module 90, thus solving the problem of uneven force in squeezing the battery module 91 during manual assembly.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery module stacking and fixing fixture, the battery module comprising a plurality of battery modules stacked on each other and a plurality of cable ties surrounding all the battery modules, characterized in that: include: A base, the base comprising a horizontal support plate, and a supporting plate fixed to the horizontal support plate and arranged along the stacking direction of the battery modules; A fixed support seat, the fixed support seat comprising a first vertical support seat disposed on the horizontal support plate and at least one support block fixed on the first vertical support seat and abutting against one side surface of the battery module; A movable support seat, the movable support seat comprising a second vertical support seat fixed to the horizontal support plate and a movable plate movably connected to the second vertical support seat and abutting against the other side of the battery module; and an electric control component, the electric control component being fixed on the horizontal support plate and used for driving the movable plate of the movable support seat to translate along the stacking direction of the battery modules; The support block of the fixed support seat and the movable plate of the movable support seat are relatively arranged on two sides of the length direction of the supporting plate.

2. A battery module stacking and fixing fixture as claimed in claim 1, characterized in that: The base also includes four support columns fixed to the bottom of the horizontal support plate, and the connection surfaces between the four support columns and the horizontal support plate are inclined.

3. A battery module stacking and fixing fixture as claimed in claim 2, characterized in that: The four support columns are arranged opposite to each other in pairs, and the height of the two support columns located at the front side of the horizontal support plate is greater than the height of the two support columns located at the rear side of the horizontal support plate.

4. A battery module stacking and fixing fixture as claimed in claim 2, characterized in that: It also includes a rear support seat, which includes a third vertical support seat fixed on the horizontal support plate and at least one support bar fixed on the third vertical support seat and abutting against the side of the battery module.

5. A battery module stacking and fixing fixture as claimed in claim 1, characterized in that: The first vertical support seat of the fixed support seat includes a first vertical support plate and a first linear bearing for fixing the first vertical support plate to the side of the electric control component.

6. A battery module stacking and fixing fixture as claimed in claim 5, characterized in that: Two support blocks are arranged on the fixed support seat, and the two support blocks are fixed at intervals along the height direction on a side surface of the first vertical support plate close to the supporting plate.

7. A battery module stacking and fixing fixture as claimed in claim 1, characterized in that: The second vertical support seat of the movable support seat comprises a seat body, a horizontal slide rail arranged on the seat body, and a driving member fixed on the seat body for driving the movable plate to translate on the horizontal slide rail.

8. A battery module stacking and fixing fixture as claimed in claim 7, characterized in that: The movable plate includes an L-shaped bracket and a vertical abutment plate fixed to a side surface of the L-shaped bracket close to the supporting plate, and a groove for embedding the cable tie of the battery module is provided on the vertical abutment plate.

9. A battery module stacking and fixing fixture as claimed in claim 8, characterized in that: The L-shaped bracket includes a horizontal adjustment plate fixedly connected to the slider of the horizontal slide rail and a vertical adjustment plate fixed above the horizontal adjustment plate. One side of the vertical adjustment plate is fixedly connected to the driving member, and the other side is fixedly connected to the vertical abutment plate.

10. A battery module stacking and fixing fixture as claimed in claim 9, characterized in that: The second vertical support seat also includes two second linear bearings arranged between the seat body and the vertical adjustment plate.

Images