Centering stacking device for CTP modules
By designing a centered stacking device in the CTP module and using guide rails and position adjustment devices to ensure that the battery cell is centered, the problem that the CTP cell stacking method is not compatible with different models of battery cells is solved, and the energy density and stacking accuracy of the battery pack are improved.
Patent Information
- Application Number
- CN202420623658.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-03-28
AI Technical Summary
The CTP battery cell stacking method cannot ensure that the battery cell is centered and cannot be compatible with other models of battery cells, resulting in a reduction in the energy density of the battery pack.
A central stacking device for CTP module is designed, including a base plate, a guide rail, a position adjustment device, an end plate and a central clamp piece. The end plate and a central clamp piece are slid through the guide rail to make it slide relative to each other and pass through the position. The adjustment device adjusts the relative position of the end plate and the bottom plate to ensure that the battery cell is positioned on the bottom plate and is compatible with battery cell modules of different lengths.
The central collinearity of the battery cell is achieved, which avoids the increase in the CTP module occupancy volume caused by the skew of the battery cell, improves the overall energy density of the battery pack, and has a reasonable structure and is easy to use, and is suitable for stacking of battery modules of different lengths.
Smart Images
Figure CN222190843U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of CTP battery core stacking, in particular to a centering stacking device of a CTP module. Background Art
[0002] The full name of CTP technology is Cell To Pack, also known as module-free technology. By directly integrating battery cells into battery packs, it eliminates components such as wiring harnesses and cover plates, reduces the cost and safety risks of battery packs, and improves the energy density of battery packs.
[0003] However, the current stacking of CTP battery cells adopts the side plate positioning method, which has poor compatibility in the length direction of the stacked battery cells and is not compatible with other types of battery cells. Moreover, the side plate positioning method is used for battery cell stacking, which cannot ensure that the battery cell is centered, resulting in a decrease in the energy density of the battery pack.
[0004] Therefore, there is an urgent need for a technical solution to solve the technical problems that the current CTP battery cell stacking method cannot ensure the centering of the battery cell position and is not compatible with other types of battery cells. Utility Model Content
[0005] The utility model aims to provide a centering stacking device for a CTP module in view of the technical problems that the current CTP battery cell stacking method cannot ensure the centering of the battery cell position and cannot be compatible with other types of battery cells.
[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0007] A centering stacking device for a CTP module comprises a base plate, the base plate is provided with a guide rail and a position adjustment device, the guide rail is slidably provided with an end plate and a centering claw member for clamping an electric core, the end plate and the centering claw member are arranged opposite to each other, the position adjustment device is limitedly connected to the end plate, the position adjustment device can adjust the relative position of the end plate and the base plate, and the centering claw member can push the electric core to the end plate along the guide rail.
[0008] The utility model provides a centering stacking device for a CTP module. A guide rail is arranged on a bottom plate, and an end plate and a centering claw member are slidably arranged on the guide rail, so that the end plate and the centering claw member can slide relative to each other, and the centering claw member and the end plate can approach each other in a predetermined direction; a position adjustment device is arranged on the bottom plate, and the position adjustment device can adjust the relative position of the end plate and the bottom plate, so that the centering stacking device of the CTP module can be compatible with the stacking operation of battery cell modules of different lengths; the battery cell is limited by the centering claw member, so that the position of the battery cell on the bottom plate is regularized, and the centers of all the stacked battery cells are collinear, so that the volume occupied by the CTP module becomes larger due to the skewness of the battery cell, and the overall energy density of the battery pack is improved.
[0009] As a preferred embodiment of the utility model, the centering clamping jaw member includes a cylinder support, a centering cylinder, a first clamping jaw and a second clamping jaw, the cylinder support is slidingly connected to the guide rail, the centering cylinder is connected to the cylinder support, and the centering cylinder is drivingly connected to the first clamping jaw and / or the second clamping jaw. The cylinder support can slide on the guide rail so that the battery cell can be pushed to the end plate; a centering cylinder is arranged on the support so that the centering cylinder drives the first clamp and / or the second clamp to clamp the battery cell and adjust the position of the battery cell; in a specific embodiment, the first clamp is connected to the cylinder drive, the second clamp is fixedly connected to the centering cylinder support, and the battery cell is clamped only by the centering cylinder driving the first clamp; or the second clamp is connected to the centering cylinder drive, the first clamp is fixedly connected to the cylinder support, and the battery cell is clamped only by the centering cylinder driving the second clamp; or the first clamp and the second clamp are both connected to the centering cylinder drive, and the centering cylinder drives the first clamp and the second clamp to approach each other to clamp the battery cell.
[0010] As a preferred solution of the utility model, the centering cylinder is provided with a first push rod, a second push rod and a slide groove structure with opposite pushing directions, the slide groove structure is connected to the cylinder support, the slide groove structure is slidably provided with a first slider and a second slider, the first push rod is connected to the first slider, the second push rod is connected to the second slider, the first slider is connected to the first clamp, and the second slider is connected to the second clamp. The first push rod and the second push rod are linked, the first push rod drives the first slider, and the second push rod drives the second slider, so that the first clamp and the second clamp connected to the first slider and the second slider respectively can approach or move away from each other, so as to clamp or release the battery cell, and the regular position of the battery cell can be controlled by controlling the stroke of the first push rod and the second push rod; the setting of the slide groove fixes the movement trajectory of the first clamp and the second clamp, thereby reducing the wear of the centering cylinder.
[0011] As a preferred solution of the utility model, the first clamp and the second clamp are both provided with a flexible member, and the flexible member can abut against the battery cell. In order to prevent the first clamp and the second clamp from hitting the battery cell, a flexible member is provided on the first clamp and the second clamp; when clamping the battery cell, the flexible member contacts the battery cell, which can prevent the battery cell from being damaged.
[0012] As a preferred solution of the utility model, the position adjustment device includes a push structure, the push structure is arranged on the side of the end plate away from the centering claw member, the push structure is connected to the bottom plate, and the push structure is connected to the end plate. The push structure can push and pull the end plate to change the relative position of the end plate and the bottom plate, so that the centering stacking device of the CTP module can adapt to the stacking of CTP battery modules of different lengths.
[0013] As a preferred solution of the utility model, the push structure comprises a support seat and a screw rod, the screw rod penetrates the support seat, and the support seat is threadedly connected to the screw rod; one end of the screw rod is provided with an operating part, and the other end is provided with a rotation connection with the end plate. The operating part is constructed in the shape of a nut, and can be clamped on the operating part by a wrench, etc. Rotating the operating part can drive the screw rod to rotate, so that the screw rod pushes the end plate forward or pulls back the end plate, so as to adjust the position of the end plate in the length direction of the guide rail.
[0014] As a preferred solution of the utility model, the bottom plate is provided with a limit block, the limit block and the push structure are respectively located on two opposite sides of the end plate, the limit block is detachably connected to the bottom plate, and the limit block abuts against the end plate. The limit block is detachably connected to the bottom plate, so that the position of the limit block on the bottom plate can be changed; the push structure and the limit block abut against the end plate on two opposite sides, so that the end plate can be limited in the length direction of the guide rail.
[0015] As a preferred solution of the utility model, the guide rail includes a first slide rail and a second slide rail, the first slide rail and the second slide rail are arranged in parallel with each other, the first slide rail and the second slide rail are both slidably connected to the end plate, and the first slide rail and the second slide rail are both slidably connected to the centering claw member. The arrangement of the two slide rails makes it easier for the end plate and the centering claw member to slide, reduces the position error of the end plate and the centering claw member, and improves the stacking accuracy of the battery cells.
[0016] As a preferred solution of the utility model, the centering claw member is provided with a first slider support and a second slider support, the first slider support is slidably connected to the first slide rail, and the second slider support is slidably connected to the second slide rail; the end plate is provided with a third slider support and a fourth slider support, the third slider support is connected to the first slide rail, and the fourth slider support is connected to the second slide rail. The first slider support and the third slider support cooperate with the first slide rail, and the second slider support and the fourth slider support cooperate with the second slide rail, so that the end plate and the centering claw member can slide smoothly on the first slide rail and the second slide rail, thereby reducing the skewness of the end plate and ensuring the stacking accuracy of the battery cells.
[0017] As a preferred solution of the utility model, the centering claw member is provided with a pressure strip for limiting the battery cell, and a connecting piece is provided at the end of the pressure strip, and the connecting piece is detachably connected to the centering claw member and / or the end plate; the bottom plate is provided with a battery cell support strip, and the battery cell support strip is parallel to the guide rail. In order to prevent the battery cell module from moving after stacking, a pressure strip is provided to press the top plate of the battery cell so that the battery cell is clamped by the pressure strip and the bottom plate; the battery cell support strip is provided to raise the height of the battery cell to prevent the battery cell from interfering with the guide rail, so as to facilitate the packaging operation of the battery cell module at the back end; the battery cell support strip and the pressure strip respectively abut the bottom and top of the battery cell so that the battery cell can be limited.
[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:
[0019] 1. The utility model provides a center stacking device for a CTP module. A guide rail is arranged on a bottom plate, and an end plate and a center clamping claw are slidably arranged on the guide rail, so that the end plate and the center clamping claw can slide relative to each other, and the center clamping claw and the end plate can approach each other in a predetermined direction; a position adjustment device is arranged on the bottom plate, and the position adjustment device can adjust the relative position of the end plate and the bottom plate, so that the center stacking device of the CTP module can be compatible with the stacking operation of battery cell modules of different lengths; the battery cell is limited by the center clamping claw, so that the position of the battery cell on the bottom plate is regularized, and the centers of all the stacked battery cells are collinear, so that the volume occupied by the CTP module is increased due to the skewness of the battery cell, and the overall energy density of the battery pack is improved.
[0020] 2. The utility model provides a centering stacking device for CTP modules, which has a reasonable structure and is easy to use. When stacking CTP battery cell modules, the position of the battery cells can be quickly regularized by the centering claws, so that when the centering claws push the battery cells for stacking, the centers of all the battery cells are in line; the position adjustment device can adjust the position of the end plate, changing the stacking starting position of the battery cell module on the bottom plate, so that the centering stacking device of the CTP module can be suitable for stacking battery modules of different lengths, and has good economic value and practical value. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic structural diagram of a center stacking device of a CTP module in Example 1;
[0022] Figure 2 This is a schematic structural diagram of a center stacking device of a CTP module in Example 1;
[0023] Figure 3 This is a schematic structural diagram of a center stacking device of a CTP module in Example 1;
[0024] Figure 4is a schematic structural diagram of the centering claw member of Example 1;
[0025] Figure 5 is a schematic structural diagram of the push-pull structural member of Example 1;
[0026] Figure 6 It is a schematic diagram of the structure of the guide rail of Example 1.
[0027] icon:
[0028] 1-bottom plate, 2-guide rail, 3-position adjustment device, 4-end plate, 5-center clamping claw, 6-pressure strip, 7-battery cell support bar, 8-limiting block, 21-first slide rail, 22-second slide rail, 41-third slider support, 42-fourth slider support, 51-cylinder support, 52-center cylinder, 53-first clamping claw, 54-second clamping claw, 55-first slider support, 56-second slider support, 57-flexible part, 301-support seat, 302-screw rod, 303-operating part, 304-adapter, 41-third slider support, 42-fourth slider support. DETAILED DESCRIPTION
[0029] The utility model is described in detail below in conjunction with the accompanying drawings.
[0030] 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.
[0031] Example 1
[0032] like Figure 1-Figure 6A centering stacking device of a CTP module shown in the figure includes a base plate 1, the base plate 1 is provided with a guide rail 2 and a position adjustment device 3, the guide rail 2 is slidably provided with an end plate 4 and a centering claw member 5 for clamping a battery cell, the end plate 4 and the centering claw member 5 are arranged opposite to each other, the position adjustment device 3 is limitedly connected to the end plate 4, the position adjustment device 3 can adjust the relative position of the end plate 4 and the base plate 1, and the centering claw member 5 can push the battery cell to the end plate 4 along the guide rail 2. A guide rail 2 is provided on the base plate 1, and an end plate 4 and a centering claw member 5 are slidably provided on the guide rail 2, so that the end plate 4 and the centering claw member 5 can slide relative to each other, so that the centering claw member 5 and the end plate 4 can approach each other in a predetermined direction; a position adjustment device 3 is provided on the base plate 1, and the position adjustment device 3 can adjust the relative position of the end plate 4 and the base plate 1, so that the centering stacking device of the CTP module can be compatible with the stacking operation of battery cell modules of different lengths; the battery cell is limited by the centering claw member 5, so that the position of the battery cell on the base plate 1 is regularized, and the centers of all the stacked battery cells are collinear, so as to avoid the increase in the volume occupied by the CTP module due to the skewness of the battery cell, thereby improving the overall energy density of the battery pack.
[0033] Specifically, the guide rail 2 is composed of a first slide rail 21 and a second slide rail 22, and the first slide rail 21 and the second slide rail 22 are arranged in parallel at intervals, so that the first slide rail 21 and the second slide rail 22 are both slidably connected to the end plate 4, and the first slide rail 21 and the second slide rail 22 are both slidably connected to the center clamping claw member 5; the center clamping member and the end plate 4 can slide along the length direction of the first slide rail 21 and the second slide rail 22, so that the end plate 4 and the center clamping claw member 5 can be approached or moved away from each other; by setting the first slide rail 21 and the second slide rail 22, the end plate 4 and the center clamping claw member 5 can reduce the position error of the end plate 4 and the center clamping claw member 5, and improve the stacking accuracy of the battery cells;
[0034] Specifically, the center clamping claw member 5 is provided with a first slider support 55 and a second slider support 56, the first slider support 55 is slidably connected to the first slide rail 21, and the second slider support 56 is slidably connected to the second slide rail 22; the third slider support 41 and the fourth slider support 42 are respectively provided at both ends of the end plate 4, the third slider support 41 is connected to the first slide rail 21, and the fourth slider support 42 is connected to the second slide rail 22; the first slider support 55 and the third slider support 41 cooperate with the first slide rail 21, and the second slider support 56 and the fourth slider support 42 cooperate with the second slide rail 22, so that the end plate 4 and the center clamping claw member 5 can slide smoothly on the first slide rail 21 and the second slide rail 22. The first slider support 55 and the third slider support 41 are clamped on the first slide rail 21, and the second slider support 56 and the fourth slider support 42 are clamped on the second slide rail 22, so that the first slide rail 21 and the second slide rail 22 can limit the end plate 4 and the center claw member 5, so that the center claw member 5 and the end plate 4 can only move relative to each other.
[0035] Specifically, the centering jaw member 5 is composed of a cylinder support 51, a centering cylinder 52, a first clamping jaw 53 and a second clamping jaw 54. The cylinder support 51 is slidably connected to the guide rail 2, and the centering cylinder 52 is connected to the cylinder support 51. The centering cylinder 52 is provided with a first push rod and a second push rod. The first push rod and the second push rod have opposite pushing directions, so that the first push rod is connected to the first clamping jaw 53, and the second push rod is connected to the second clamping jaw 54; the first push rod and the second push rod are linked to each other, so that the first clamping jaw 53 and the second clamping jaw 54 can be close to or far away from each other. The first slider support 55 and the second slider support 56 are respectively arranged on the opposite sides of the cylinder support 51, and the center cylinder 52 is arranged in the middle of the cylinder support 51, so that the battery cell clamped by the first slider support 53 and the second slider support 54 is located in the middle of the cylinder support 51; the fourth slider support 42 and the third slider support 41 are respectively connected to the opposite sides of the end plate 4, so that when the battery cell abuts against the end plate 4, the battery cell is located in the middle of the end plate 4.
[0036] Specifically, the centering cylinder 52 is provided with a slide groove structure, the slide groove structure is connected to the cylinder support 51, the slide groove structure is slidingly provided with a first slider and a second slider, the first push rod is connected to the first slider, the second push rod is connected to the second slider, the first slider is connected to the first clamp 53, and the second slider is connected to the second clamp 54; by providing the centering cylinder 52 with a slide groove member, the first slider and the second slider are provided in the slide groove member, the first slider and the second slider are limited by the slide groove member, so that the first slider and the second slider can only move toward or oppositely, reducing the force on the first push rod and the second push rod, making the first push rod and the second push rod easier to push, making the first clamp 53 and the second clamp 54 less likely to be positionally offset, so that the first clamp 53 and the second clamp 54 can clamp the battery cell more accurately.
[0037] Specifically, flexible parts 57 are provided on both the first clamping jaw 53 and the second clamping jaw 54. When clamping the battery cell, the two flexible parts 57 abut against two opposite sides of the battery cell, thereby regulating the position of the battery cell. Providing the flexible parts 57 can effectively reduce the risk of damage to the battery cell and ensure the quality of the stacked battery cells. The surface that is coplanar with the center points of all the stacked battery cells serves as the center surface, and the midpoint of the connection line of the two flexible parts 57 for clamping the battery cell is located in the center surface, thereby ensuring that each clamped battery cell can be stacked in the center.
[0038] Specifically, the position adjustment device 3 includes a push structure, which is arranged on the side of the end plate 4 away from the central claw member 5, the push structure is connected to the base plate 1, and the push structure is connected to the end plate 4; the push structure can push and pull the end plate 4 to change the relative position of the end plate 4 and the base plate 1.
[0039] Specifically, the push-pushing structure comprises a support seat 301 and a screw rod 302, wherein the screw rod 302 penetrates the support seat 301, and the support seat 301 is threadedly connected to the screw rod 302; an operating portion 303 is provided at one end of the screw rod 302, and the other end is provided to be rotatably connected to the end plate 4. By rotating the screw rod 302, the screw rod 302 can push the end plate 4, and by controlling the length of the screw rod 302 extending out of the support seat 301, the position of the end plate 4 on the bottom plate 1 is controlled, and the end plate 4 is limited by the stop block 8 abutting against the third slider support 41 or the fourth slider support 42; the operating portion 303 is constructed in the shape of a nut, and the screw rod 302 can be rotated by a tool such as a wrench; the stop block 8 is provided on the side of the end plate 4 close to the centering claw member 5, and the push-pushing structure is provided on the side of the end plate 4 away from the centering claw member 5.
[0040] Specifically, a limit block 8 is provided on the base plate 1, and the limit block 8 and the push structure are respectively located on the two opposite sides of the end plate 4, and the limit block 8 is detachably connected to the base plate 1, and the limit block 8 abuts against the end plate 4; the screw rod 302 and the limit block 8 abut against the end plate 4 on the opposite sides of the length direction of the guide rail 2, so that the end plate 4 is limited, thereby improving the position accuracy of the end plate 4 and ensuring the stacking accuracy of the battery cells.
[0041] Specifically, an adapter 304 is provided at the end of the screw rod 302, and the adapter 304 is connected to the end plate 4. The adapter 304 is provided with a rotating groove, which is rotatably connected to the screw rod 302, and the adapter 304 is fixedly connected to the end plate 4; one side of the adapter 304 is fixedly connected to the middle part of the end plate 4, thereby increasing the force-bearing surface of the end plate 4 and effectively avoiding deformation of the end plate 4; a spherical rotating groove is provided on one side of the adapter 304, and the end of the screw rod 302 is constructed into a spherical shape that matches the rotating groove, so that the screw rod 302 can rotate smoothly in the rotating groove; the rotating groove can also be provided as a columnar groove with an annular protrusion on the inner wall, and an annular groove is provided on the end plate 4 of the screw rod 302, so that the annular protrusion matches the annular groove, so that the screw rod 302 can push and pull the adapter 304.
[0042] Specifically, a pressure strip 6 for limiting the battery cell is provided on the top of the cylinder support 51, and the pressure strip 6 is crimped to the top of the battery cell. Two battery cell support bars 7 are provided on the bottom plate 1, and the battery cell support bars 7 are parallel to the guide rails 2, and the battery cell support bars 7 are provided between the first slide rail 21 and the second slide rail 22. The battery cell support bars 7 and the pressure strip 6 can clamp the battery cell, thereby avoiding the displacement of the battery cell position and ensuring that the stacked battery cells remain centered; a connecting piece is provided at the end of the pressure strip 6, and the connecting piece is detachably connected to the cylinder support 51, so that the pressure strip 6 is easy to install and disassemble.
[0043] Specifically, the bottom plate 1 is a rectangular bottom plate 1 , the first slide rail 21 and the second slide rail 22 are parallel to the length side of the rectangular bottom plate 1 ; the end plate 4 and the claw structure are respectively located on both sides of the length direction of the rectangular bottom plate 1 .
[0044] The utility model provides a centering stacking device for CTP modules. When in use, the battery cell is placed on the battery cell support bar 7, the centering claw member 5 is pushed to contact the battery cell, and the centering cylinder 52 is driven to make the first clamping claw 53 and the second clamping claw 54 clamp the battery cell to center the battery cell position, and then the centering claw member 5 is pushed to make the battery cell abut against the end plate 4, and the first clamping claw 53 and the second clamping claw 54 complete the stacking of a single battery cell, and the battery cell is repeatedly placed to make the battery cell abut against the last stacked battery cell to achieve the centering stacking of the battery cell module; when a longer or shorter battery cell module is needed, the limit block 8 is removed and adjusted to an appropriate position for fixing, and the screw rod 302 is rotated to push the end plate 4 to make the third slider support 41 or the fourth slider support 42 abut against the limit block 8, thereby achieving the adjustment of the length of the stacked battery cell.
[0045] Example 2
[0046] The centering stacking device of a CTP module of this embodiment has a structure substantially the same as that of the embodiment 1. The difference from the embodiment 1 is that the centering cylinder 52 is only provided with a first push rod.
[0047] Specifically, the first push rod is connected to the first clamping jaw 53 , and the second clamping jaw 54 is fixed on the cylinder support 51 .
[0048] Preferably, the center cylinder 52 is only provided with a second push rod, the second push rod is connected to the second clamping jaw 54 , and the first clamping jaw 53 is fixed on the cylinder support 51 .
[0049] In the center stacking device of a CTP module of the present embodiment, the first clamping jaw 53 or the second clamping jaw 54 is fixed on the cylinder support 51, so that the cylinder pushes the single clamping jaw to clamp the battery cells in an orderly manner.
[0050] Example 3
[0051] The centering stacking device of a CTP module of this embodiment has a structure substantially the same as that of the embodiment 1. The difference from the embodiment 1 is that the guide rail 2 is only one slide rail.
[0052] Specifically, the guide rail 2 is arranged on the side of the battery cell support bar 7 .
[0053] Preferably, the guide rail 2 is arranged between two battery cell support bars 7 .
[0054] Preferably, three or more slide rails are provided, each of which is slidably connected to the end plate 4 , and each of which is slidably connected to the center claw member 5 .
[0055] A centering stacking device of a CTP module of the present embodiment uses a single slide rail to guide the end plate 4 and the centering claw member 5; multiple slide rails can improve the stacking accuracy of the battery cells.
[0056] Example 4
[0057] The centering stacking device of a CTP module in this embodiment has a structure substantially the same as that of the first embodiment, but is different from the first embodiment in that two limit blocks 8 are provided.
[0058] Specifically, the two limit blocks 8 abut against the third slider support 41 and the fourth slider support 42 respectively.
[0059] Preferably, the limiting block 8 abuts against the end plate 4 .
[0060] In the center stacking device of a CTP module of the present embodiment, the stability of the end plate 4 is enhanced by two limit blocks 8 , and the position of the end plate 4 is limited by the contact between the limit blocks 8 and the end plate 4 .
[0061] Example 5
[0062] The structure of a center stacking device of a CTP module in this embodiment is substantially the same as that of the first embodiment, but is different from the first embodiment in that three cell support bars 7 are provided.
[0063] Preferably, the number of the cell support bars 7 is more than three, so as to better support the cell.
[0064] Example 6
[0065] The structure of the center stacking device of a CTP module of this embodiment is substantially the same as that of the embodiment 1. The difference from the embodiment 1 is that connectors are provided at both ends of the pressure strip 6.
[0066] Specifically, the connecting piece at one end of the pressure strip 6 is connected to the end plate 4 , and the connecting piece at the other end is connected to the cylinder support 51 .
[0067] By fixing both ends of the pressure strip 6, the pressure strip 6 can have a better pressing effect, and the position displacement of the battery cell can be further avoided.
[0068] The above description is only a preferred embodiment of the present invention and is 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 center stacking device for CTP modules, characterized in that: The invention comprises a bottom plate (1), the bottom plate (1) being provided with a guide rail (2) and a position adjustment device (3), the guide rail (2) being slidably provided with an end plate (4) and a centering claw member (5) for clamping an electric core, the end plate (4) and the centering claw member (5) being arranged opposite to each other, the position adjustment device (3) being position-limitingly connected to the end plate (4), the position adjustment device (3) being capable of adjusting the relative position of the end plate (4) and the bottom plate (1), and the centering claw member (5) being capable of pushing the electric core along the guide rail (2) toward the end plate (4).
2. A center stacking device for CTP modules as claimed in claim 1, characterized in that: The centering clamping jaw member (5) comprises a cylinder support (51), a centering cylinder (52), a first clamping jaw (53) and a second clamping jaw (54); the cylinder support (51) is slidably connected to the guide rail (2); the centering cylinder (52) is connected to the cylinder support (51); and the centering cylinder (52) is drivingly connected to the first clamping jaw (53) and / or the second clamping jaw (54).
3. A center stacking device for CTP modules as claimed in claim 2, characterized in that: The center cylinder (52) is provided with a first push rod, a second push rod and a slide groove structure with opposite pushing directions, the slide groove structure is connected to the cylinder support (51), the slide groove structure is slidably provided with a first slider and a second slider, the first push rod is connected to the first slider, the second push rod is connected to the second slider, the first slider is connected to the first clamp (53), and the second slider is connected to the second clamp (54).
4. A center stacking device for CTP modules as claimed in claim 3, characterized in that: The first clamping jaw (53) and the second clamping jaw (54) are both provided with a flexible member (57), and the flexible member (57) is capable of abutting against the battery core.
5. The center stacking device of a CTP module according to claim 1, characterized in that: The position adjustment device (3) comprises a push structure, the push structure being arranged on a side of the end plate (4) away from the central clamping claw member (5), the push structure being connected to the bottom plate (1), and the push structure being connected to the end plate (4).
6. A center stacking device for CTP modules as claimed in claim 5, characterized in that: The push-resisting structure comprises a support seat (301) and a screw rod (302); the screw rod (302) passes through the support seat (301); the support seat (301) is threadedly connected to the screw rod (302); an operating portion (303) is arranged at one end of the screw rod (302), and the other end is rotatably connected to the end plate (4).
7. A center stacking device for CTP modules as claimed in claim 6, characterized in that: The bottom plate (1) is provided with a limit block (8), the limit block (8) and the push structure are respectively located on two opposite sides of the end plate (4), the limit block (8) and the bottom plate (1) are detachably connected, and the limit block (8) abuts against the end plate (4).
8. The center stacking device of a CTP module according to claim 1, characterized in that: The guide rail (2) comprises a first slide rail (21) and a second slide rail (22); the first slide rail (21) and the second slide rail (22) are arranged in parallel with each other at an interval; the first slide rail (21) and the second slide rail (22) are both slidably connected to the end plate (4); and the first slide rail (21) and the second slide rail (22) are both slidably connected to the centering claw member (5).
9. A center stacking device for CTP modules as claimed in claim 8, characterized in that: The centering claw member (5) is provided with a first slider support (55) and a second slider support (56), the first slider support (55) is slidably connected to the first slide rail (21), and the second slider support (56) is slidably connected to the second slide rail (22); the end plate (4) is provided with a third slider support (41) and a fourth slider support (42), the third slider support (41) is connected to the first slide rail (21), and the fourth slider support (42) is connected to the second slide rail (22).
10. A center stacking device for CTP modules according to any one of claims 1 to 9, characterized in that: The centering claw member (5) is provided with a pressure strip (6) for limiting the position of the battery cell, and a connecting piece is provided at the end of the pressure strip (6), and the connecting piece is detachably connected to the centering claw member (5) and / or the end plate (4); the bottom plate (1) is provided with a battery cell support strip (7), and the battery cell support strip (7) is parallel to the guide rail (2).