Assembling tool

Abstract

The utility model discloses an assembly tool, and relates to the technical field of battery assembly. The assembling tool comprises a first clamping assembly and a second clamping assembly, the first clamping assembly comprises a first clamping piece, the first clamping piece is provided with a plurality of first positioning parts at intervals in the first direction, and the first positioning parts are used for positioning cylindrical battery cells; the second clamping assembly comprises a second sliding block and a second clamping piece, the second clamping piece is provided with a plurality of second positioning parts at intervals in the first direction, the second positioning parts are used for positioning the cylindrical battery cells, and the second clamping piece is movably arranged on the second sliding block in the first direction so that the second positioning parts can directly face or be staggered with the first positioning parts one by one; the second sliding block moves in the second direction to adjust the distance between the second clamping piece and the first clamping piece, and the second direction is perpendicular to the first direction. According to the assembling tool, the efficiency is improved, the working intensity of operators is reduced, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of battery assembly, in particular to an assembly tool. Background Art

[0002] In the development process of batteries, cylindrical cells are increasingly used in electric vehicles, backup energy and other fields due to their advantages such as high capacity, high output voltage, good discharge cycle performance and safe use. In order to improve safety and ensure the heat dissipation capacity of cylindrical cells, multiple rows of cylindrical cells and multiple liquid cooling plates are often overlapped.

[0003] When the cylindrical cells are stacked into groups, thermal conductive glue is applied on both sides of the liquid cooling plate, and a row of cylindrical cells are arranged on both sides of the liquid cooling plate, and then clamped and pressurized to fix the cylindrical cells and the liquid cooling plate. In order to increase the energy density of the battery pack, the two adjacent rows of cylindrical cells are staggered. Moreover, the clamping structure has a positioning portion for fixing a single row of cylindrical cells to ensure that the cylindrical cells do not move during the pressure maintenance process. However, when three or more rows of cylindrical cells need to be assembled, each additional row of cylindrical cells requires the clamping structure to be replaced to ensure that the positioning portion corresponds to the cylindrical cells one by one, which not only reduces efficiency, but also increases the workload of operators and increases costs. Utility Model Content

[0004] The utility model aims to provide an assembly tool, which improves efficiency, reduces the work intensity of operators and reduces costs.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] An assembly tool, comprising:

[0007] A first clamping assembly includes a first clamping member, wherein the first clamping member is provided with a plurality of first positioning portions spaced apart along a first direction, and the first positioning portions are used to position the battery cell;

[0008] The second clamping assembly includes a second slider and a second clamping member, the second clamping member is provided with a plurality of second positioning portions spaced apart along the first direction, the second positioning portions are used to position the cylindrical battery cell, the second clamping member is movably arranged on the second slider along the first direction, and the second slider is moved along the second direction to adjust the distance between the second clamping member and the first clamping member.

[0009] As an optional solution of the above-mentioned assembly tool, the second clamping assembly also includes a switching member, which is connected to the second clamping member, and the switching member can be switchably connected to the second slider to fix the second clamping member at different positions of the second slider.

[0010] As an optional solution for the above-mentioned assembly tool, the switching member is a latch, and the second slider includes at least two sockets. When the latch is plugged into one of the sockets, multiple second positioning portions are directly opposite to multiple first positioning portions one by one, and when the latch is plugged into other of the sockets, multiple second positioning portions are staggered with multiple first positioning portions.

[0011] As an optional solution of the above-mentioned assembly tool, when the plurality of second positioning portions are staggered with the plurality of first positioning portions, the second positioning portion is directly opposite to the middle position of the center line of two adjacent first positioning portions.

[0012] As an optional solution of the above-mentioned assembly tool, the first positioning portion and / or the second positioning portion is a groove.

[0013] As an optional solution of the above-mentioned assembly tool, the assembly tool further includes a locking component, and the locking component includes a plurality of locking members arranged at intervals along the second direction, and the plurality of locking members can all lock the second slider at a corresponding position.

[0014] As an optional solution of the above-mentioned assembly tool, the locking member is a locking pin, the second slider is provided with a locking groove, and a plurality of the locking pins can be inserted into the locking groove to lock the second slider.

[0015] As an optional solution of the above-mentioned assembly tool, the second clamping assembly further includes a pressure sensor, and a detection end of the pressure sensor abuts against the second slider to detect a pressure change of the second slider on the pressure sensor.

[0016] As an optional solution of the above-mentioned assembly tool, the assembly tool further includes a positioning structure, and the positioning structure is configured to position the bracket, and the bracket is configured to support the battery cell.

[0017] As an optional solution of the above-mentioned assembly tool, the positioning structure includes multiple positioning blocks, some of which have a first positioning portion capable of positioning the bracket in the first direction, and some of which have a second positioning portion capable of positioning the bracket in the second direction.

[0018] Beneficial effects of the utility model:

[0019] The utility model provides an assembly tool. In the assembly tool, the distance between the first clamping member and the second clamping member is adjusted by moving the second slider along the second direction, so as to clamp the cylindrical battery cell and the liquid cooling plate to achieve pressure maintenance. Since the second clamping member can move along the first direction relative to the second slider, the positions of the plurality of second positioning parts can be adjusted according to the positions of a row of cylindrical battery cells close to the second clamping member, so as to ensure that the cylindrical battery cell does not move during the pressure maintenance process.

[0020] The assembly tool can adjust the position of the second clamping member to ensure that the multiple second positioning parts correspond to the cylindrical battery cells one by one. Even if the number of rows of cylindrical battery cells is increased, there is no need to replace the second clamping member, which improves efficiency, reduces the workload of operators, and reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a battery module provided by the utility model;

[0022] Figure 2 It is a structural schematic diagram of the assembly tool provided by the utility model;

[0023] Figure 3 yes Figure 2 A partial enlarged view of the middle A;

[0024] Figure 4 yes Figure 3 Exploded diagram of

[0025] Figure 5 yes Figure 2 A partial enlarged view of point B in the middle;

[0026] Figure 6 It is a structural schematic diagram of the positioning structure provided by the utility model.

[0027] In the figure:

[0028] 100. Cylindrical battery cell; 101. Liquid cooling plate;

[0029] 1. First clamping assembly; 2. Second clamping assembly; 3. Locking assembly; 4. Pressure sensor; 5. Positioning structure; 6. Support frame; 7. Slide rail; 8. Driving assembly;

[0030] 11. first clamping member; 12. first slider; 21. second clamping member; 22. second slider; 23. latch; 31. locking pin; 51. positioning block; 52. V-shaped protrusion; 53. retaining wall; 61. travel wheel; 81. drive motor; 82. screw rod;

[0031] 111, first positioning portion; 211, second positioning portion; 221, insertion hole; 222, locking groove. DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0033] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0034] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0035] Unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in contact with the second feature through another feature between them instead of being in direct contact. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0036] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0037] In the development process of batteries, cylindrical cells are increasingly used in electric vehicles, backup energy and other fields due to their advantages such as high capacity, high output voltage, good discharge cycle performance and safe use. In order to improve safety and ensure the heat dissipation capacity of cylindrical cells, multiple rows of cylindrical cells and multiple liquid cooling plates are often overlapped.

[0038] like Figure 1As shown, in the process of stacking the cylindrical battery cells 100 into a battery module, the first row of cylindrical battery cells 100 will be fixed first, and then the liquid cooling plate 101 will be attached to the first row of cylindrical battery cells 100, and then the second row of cylindrical battery cells 100 will be fixed on the other side of the liquid cooling plate 101, and then clamping and pressurizing will be performed to fix the cylindrical battery cells 100 and the liquid cooling plate 101. Among them, both sides of the liquid cooling plate 101 are coated with thermal conductive glue, and the thermal conductive glue on both sides of the liquid cooling plate 101 can be evenly distributed by maintaining pressure for a period of time. Then, the liquid cooling plate 101 and the third row of cylindrical battery cells 100 are attached to the other side of the second row of cylindrical battery cells 100, and clamping and pressurizing are continued, and so on and so forth until the number requirement of the battery module for the cylindrical battery cells 100 is reached. In order to improve the energy density of the battery pack, the two adjacent rows of cylindrical battery cells 100 in each battery module are staggered. Furthermore, the clamping structure has a positioning portion for fixing the single-row cylindrical battery cells 100 to ensure that the cylindrical battery cells 100 do not move during the pressure-maintaining process.

[0039] However, since the two adjacent rows of cylindrical battery cells 100 are staggered, each time a row of cylindrical battery cells 100 is added, the clamping structure needs to be replaced to ensure that the position of the positioning portion corresponds one-to-one with the cylindrical battery cell 100, which not only reduces efficiency, but also increases the workload of operators and increases costs.

[0040] In order to solve the above problems, this embodiment provides an assembly tool. Figure 2 to Figure 4 As shown, the assembly tool includes a first clamping component 1 and a second clamping component 2, the first clamping component 1 includes a first clamping member 11, the first clamping member 11 is provided with a plurality of first positioning portions 111 spaced apart along a first direction (X direction in the figure), the first positioning portions 111 are used to position the battery cell, the second clamping component 2 includes a second slider 22 and a second clamping member 21, the second clamping member 21 is provided with a plurality of second positioning portions 211 spaced apart along the first direction, the second positioning portions 211 are used to position the battery cell, the second clamping member 21 is movably arranged on the second slider 22 along the first direction, the second slider 22 is moved along the second direction (Y direction in the figure) to adjust the distance between the second clamping member 21 and the first clamping member 11, and the second direction is perpendicular to the first direction.

[0041] In the assembly tool, the distance between the first clamping member 11 and the second clamping member 21 is adjusted by moving the second slider 22 along the second direction, so as to clamp the battery module and maintain pressure. Since the second clamping member 21 can move along the first direction relative to the second slider 22, the positions of the plurality of second positioning portions 211 can be adjusted according to the positions of a row of battery cells close to the second clamping member 21, so as to ensure that the battery cells do not move during the pressure maintenance process.

[0042] In this embodiment, the battery cell is described by taking a cylindrical battery cell 100 as an example, and for the convenience of design, the second direction is perpendicular to the first direction.

[0043] Since the cylindrical battery cell 100 is both an axially symmetrical structure and a centrally symmetrical structure, when the cylindrical battery cells 100 are in an even number of rows, the multiple second positioning portions 211 are staggered with the multiple first positioning portions 111, and when the cylindrical battery cells 100 are in an odd number of rows, the multiple second positioning portions 211 are directly opposite to the multiple first positioning portions 111. In other embodiments, the third row of battery cells and the first row of battery cells may not be symmetrical with respect to the second row of battery cells, so at this time, the multiple second positioning portions 211 and the multiple first positioning portions 111 may not be directly opposite, but are staggered structures, but the staggered distances are different.

[0044] The assembly tool can adjust the position of the second clamping member 21 to ensure that the multiple second positioning portions 211 correspond one-to-one to the cylindrical battery cells 100. Even if the number of rows of cylindrical battery cells 100 is increased, there is no need to replace the second clamping member 21, which improves efficiency, reduces the workload of operators, and reduces costs.

[0045] In the present embodiment, the assembly tool also includes a support frame 6, which is a support structure of the assembly tool, and the first clamping assembly 1 and the second clamping assembly 2 are both arranged on the support frame 6. It can be understood that after assembling multiple rows of cylindrical battery cells 100 and multiple liquid cooling plates 101 into a battery module, the battery module needs to be glued and fixed. In order to improve the strength and stability of the battery module, the cylindrical battery cells 100 and the liquid cooling plates 101 need to be placed in the bracket. Therefore, when stacking using the assembly tool, the bracket needs to be placed on the support frame 6 first. The bracket is provided with slots for the cylindrical battery cells 100 and the liquid cooling plates 101, and the cylindrical battery cells 100 and the liquid cooling plates 101 can also be positioned before pressure maintenance, further improving the stability of the cylindrical battery cells 100 and the liquid cooling plates 101 during the pressure maintenance process.

[0046] In this embodiment, a slide rail 7 is provided on the support frame 6, and the second slider 22 is slidably provided on the slide rail 7, and the slide rail 7 can guide the movement of the second slider 22. In order to facilitate the movement of the assembly tool, a walking wheel 61 is provided at the bottom of the support frame 6.

[0047] When the assembly is completed, the battery module needs to be removed from the support frame 6. Figure 2 As shown, in order to prevent the first clamping member 11 from blocking the movement of the battery module, the first clamping assembly 1 further includes a first slider 12, the first clamping member 11 is disposed on the first slider 12, the first slider 12 is slidably disposed on the support frame 6 along the second direction and is detachably connected to the support frame 6. The first slider 12 can be fixed to the support frame 6 by screws, and when the first slider 12 needs to be moved, the screws can be unscrewed.

[0048] In order to simplify the structure, the first slider 12 is also slidably disposed on the slide rail 7. In order to prevent the first slider 12 from being separated from the slide rail 7, limit blocks are disposed on the front and rear sides of the first slider 12 along the second direction. Moreover, in this embodiment, the first slider 12 can be fixedly connected to the limit blocks located between the first slider 12 and the second slider 22 by screws.

[0049] In this embodiment, the assembly tool further includes a driving assembly 8, which is configured to drive the second slider 22 to slide. Specifically, the driving assembly 8 includes a driving motor 81 and a screw 82, the screw 82 is rotatably disposed on the support platform and is threadedly connected to the second slider 22, and the driving motor 81 can drive the screw 82 to rotate, thereby moving the second slider 22. In some embodiments, the driving assembly 8 can also be a linear driving structure such as a linear motor or a cylinder, which will not be described in detail here.

[0050] In this embodiment, the second clamping assembly 2 further includes a switching member, which is connected to the second clamping member 21, and the switching member and the second slider 22 can be switched to fix the second clamping member 21 at different positions of the second slider 22. The switching member is used to fix the position of the second clamping member 21 on the second slider 22, which can ensure the stability of the second clamping member 21 during the pressure holding process, and prevent the cylindrical battery cell 100 from deviating and affecting the assembly effect.

[0051] like Figure 2 to Figure 4 As shown, the switching member is a latch 23, and the second slider 22 includes at least two insertion holes 221. When the latch 23 is plugged into one insertion hole 221, the plurality of second positioning portions 211 are aligned with the plurality of first positioning portions 111 one by one. When the latch 23 is plugged into other insertion holes 221, the plurality of second positioning portions 211 are staggered with the plurality of first positioning portions 111. The staggered distances of the plurality of second positioning portions 211 and the plurality of first positioning portions 111 corresponding to different insertion holes 221 are different.

[0052] When adjusting the position of the second clamping member 21, the second clamping member 21 can be fixed by inserting the plug 23 into the corresponding insertion hole 221. Moreover, since the second clamping member 21 is fixed by plugging the plug 23 into the insertion hole 221, the operator only needs to insert the plug 23 into the corresponding insertion hole 221 to ensure the accurate position of the second clamping member 21, without having to accurately measure the moving distance of the second clamping member 21, which greatly improves the efficiency of the operator in adjusting the position of the second clamping member 21 and can ensure the accuracy of the position of the second clamping member 21.

[0053] It can be understood that, since the diameters of the cylindrical battery cells 100 are all equal, in order to maintain structural stability, the distance between two adjacent rows of cylindrical battery cells 100 is equal to half of the distance between the center lines of two adjacent cylindrical battery cells 100 in each row of cylindrical battery cells 100. Therefore, in this embodiment, when the plurality of second positioning portions 211 are staggered with the plurality of first positioning portions 111, the second positioning portion 211 is directly opposite to the middle position of the center line of two adjacent first positioning portions 111.

[0054] That is, the distance between the centers of the two insertion holes 221 on the second slider 22 is equal to half of the distance between the center lines of two adjacent cylindrical battery cells 100 in each row of cylindrical battery cells 100 .

[0055] In this embodiment, the first positioning portion 111 is a groove. When the first clamping member 11 abuts against a row of cylindrical cells 100, each cylindrical cell 100 is inserted into the corresponding groove, thereby ensuring that the position of the cylindrical cell 100 does not change.

[0056] Similarly, the second positioning portion 211 is also a groove, and the row of cylindrical battery cells 100 abutted by the second clamping member 21 is also inserted into the corresponding groove, thereby ensuring that the position of the cylindrical battery cells 100 does not change.

[0057] In the present embodiment, the groove is a V-shaped groove, which can clamp and position cylindrical battery cells 100 of different diameters, thereby improving the applicability of the assembly tool.

[0058] It is understandable that during the solidification process of the thermal conductive adhesive, the distance between the first clamping member 11 and the second clamping member 21 needs to be kept stable to achieve the purpose of stable pressure maintenance so that the thickness of the thermal conductive adhesive between the liquid cooling plate 101 and the cylindrical battery cell 100 is uniform.

[0059] like Figure 2 and Figure 5 As shown, to achieve this purpose, the assembly tool also includes a locking assembly 3, which includes a plurality of locking members spaced apart along the second direction, and each of the plurality of locking members can lock the second slider 22 at a corresponding position. After the second clamping member 21 and the first clamping member 11 clamp the cylindrical battery cell 100 and the liquid cooling plate 101, the second clamping member 21 is locked using the locking member corresponding to the position of the second clamping member 21, so as to ensure the stability of the pressure during the pressure holding period. As the number of rows of cylindrical battery cells 100 increases, it is necessary to select the locking members at the appropriate positions in sequence to lock the second clamping member 21.

[0060] It is understandable that in order to make the heat dissipation capacity of each part of the battery module the same, the pressure applied to the cylindrical battery cell 100 and the liquid cooling plate 101 each time is preferably equal. To achieve the above purpose, a plurality of locking members are arranged at equal intervals.

[0061] In this embodiment, the locking member is a locking pin 31, and the second slider 22 is provided with a locking groove 222, and a plurality of locking pins 31 can be inserted into the locking groove 222 to lock the second slider 22. After the second clamping member 21 clamps the cylindrical battery cell 100 and the liquid cooling plate 101, the corresponding locking pin 31 is inserted into the locking groove 222, which can ensure that the second clamping member 21 will not move in the second direction, thereby ensuring the stability of the pressure during the pressure holding process.

[0062] Furthermore, the slide rail 7 is provided with a locking hole corresponding to each locking pin 31 , and after the locking pin 31 is inserted into the locking groove 222 , it can continue to move and be inserted into the locking hole, thereby improving the stability of the second slider 22 when being locked.

[0063] In order to monitor the pressure during holding pressure to ensure that the holding pressure is within an optimal range, the second clamping assembly 2 also includes a pressure sensor 4, the detection end of which abuts against the second slider 22 to detect the pressure change of the second slider 22 on the pressure sensor 4.

[0064] When the second clamping member 21 abuts against the cylindrical battery cell 100 and applies pressure to the cylindrical battery cell 100, the pressure of the second slider 22 on the pressure sensor 4 will also change. The operator can determine whether the pressure of the pressure maintenance is normal by observing the value change of the pressure sensor 4, and can also determine whether the pressure of each pressure maintenance is equal.

[0065] In this embodiment, the pressure sensor 4 is of contact type, and the detection end of the pressure sensor 4 abuts against the side of the second slider 22 facing the first clamping member 11. When the first clamping member 11 and the second clamping member 21 clamp the cylindrical battery cell 100 and the liquid cooling plate 101, the detection value of the pressure sensor 4 will decrease. In some embodiments, the detection end of the pressure sensor 4 abuts against the side of the second slider 22 away from the first clamping member 11. When the first clamping member 11 and the second clamping member 21 clamp the cylindrical battery cell 100 and the liquid cooling plate 101, the detection value of the pressure sensor 4 will increase.

[0066] In order to ensure the accuracy of the position between the cylindrical battery core 100 and the first clamping member 11, the bracket needs to be positioned. Figure 2 and Figure 6 As shown, a positioning structure 5 is provided on the support frame 6, and the positioning structure 5 is configured to position the support.

[0067] Specifically, the positioning structure 5 includes a plurality of positioning blocks 51 , some of the positioning blocks 51 have a first positioning portion 111 capable of positioning the bracket in a first direction, and some of the positioning blocks 51 have a second positioning portion 211 capable of positioning the round bracket in a second direction.

[0068] like Figure 6As shown, the first positioning portion 111 and the second positioning portion 211 may be V-shaped protrusions 52, and corresponding positioning grooves need to be provided on the bottom surface of the bracket. For example, if the bracket is to be positioned in the first direction, the V-shaped protrusion 52 extends along the second direction, and when the bracket is placed on the positioning block 51, the V-shaped protrusion 52 is inserted into the positioning groove, and the bracket is positioned.

[0069] like Figure 6 As shown, the first positioning portion 111 and the second positioning portion 211 may also be a retaining wall 53, which is protruding from the positioning block 51. When the bracket is placed on the positioning block 51, the retaining wall 53 positions the bracket by abutting against the side wall of the bracket.

[0070] In this embodiment, part of the positioning block 51 is provided with a V-shaped protrusion 52, and the V-shaped protrusion 52 extends along the second direction, and the V-shaped protrusion 52 can position the bracket in the first direction; part of the positioning block 51 is provided with a retaining wall 53, and both sides of the bracket in the second direction have retaining walls 53 to abut the bracket, thereby positioning the bracket in the second direction. The V-shaped protrusion 52 and the retaining wall 53 position the bracket from two different directions, thereby ensuring the accuracy of the bracket position.

[0071] The following is a description of the operating procedures of the assembly tool:

[0072] Place the bracket on multiple positioning blocks 51 and position the bracket. Then slide the first slider 12 and fix the first slider 12 to the support frame 6 by screws. Place the first row of cylindrical cells 100 in the bracket, the first row of cylindrical cells 100 abut against the first clamping member 11 and snap into the corresponding positioning groove, and then place the liquid cooling plate 101 and the second row of cylindrical cells 100 in the bracket. Then insert the pin 23 into a socket 221 to stagger the multiple second positioning parts 211 with the multiple first positioning parts 111, and then make the second clamping member 21 close to the first clamping member 11 and clamp the cylindrical cells 100 and the liquid cooling plate 101, and at the same time insert the corresponding locking pin 31 into the locking groove 222 of the second clamping member 21.

[0073] After holding the pressure for a period of time, pull out the locking pin 31, and move the second clamping member 21 away from the first clamping member 11, place the liquid cooling plate 101 and the third row of cylindrical battery cells 100 in the bracket, then pull out the plug 23, move the second clamping member 21 and insert the plug 23 into another plug hole 221, so that the multiple second positioning portions 211 are aligned with the multiple first positioning portions 111 one by one, and then move the second clamping member 21 close to the first clamping member 11 and clamp the cylindrical battery cells 100 and the liquid cooling plate 101, and at the same time insert the corresponding locking pin 31 into the locking groove 222 of the second clamping member 21.

[0074] Repeat the above operation until the number of cylindrical cells 100 and liquid cooling plates 101 in the bracket reaches the required number, which means that the battery module is assembled. At this time, loosen the screws, slide the first slider 12 and the second slider 22 away from each other, and remove the battery module.

[0075] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. An assembly tool, characterized in that: include: A first clamping assembly (1) comprises a first clamping member (11), wherein the first clamping member (11) is provided with a plurality of first positioning portions (111) spaced apart along a first direction, and the first positioning portions (111) are used to position a battery cell; A second clamping assembly (2), the second clamping assembly (2) comprising a second slider (22) and a second clamping member (21), the second clamping member (21) being provided with a plurality of second positioning portions (211) spaced apart along the first direction, the second positioning portions (211) being used for positioning the battery cell, the second clamping member (21) being movably arranged on the second slider (22) along the first direction, the second slider (22) being moved along the second direction to adjust the distance between the second clamping member (21) and the first clamping member (11).

2. The assembly tool according to claim 1, characterized in that: The second clamping assembly (2) further comprises a switching member, the switching member being connected to the second clamping member (21), and the switching member being switchably connected to the second sliding block (22) so as to fix the second clamping member (21) at different positions of the second sliding block (22).

3. The assembly tool according to claim 2, characterized in that: The switching member is a latch (23), and the second slider (22) comprises at least two insertion holes (221). When the latch (23) is plugged into one of the insertion holes (221), a plurality of the second positioning portions (211) and a plurality of the first positioning portions (111) are aligned one by one. When the latch (23) is plugged into another of the insertion holes (221), a plurality of the second positioning portions (211) and a plurality of the first positioning portions (111) are staggered.

4. The assembly tool according to claim 2, characterized in that: When the plurality of second positioning portions (211) are staggered with the plurality of first positioning portions (111), the second positioning portion (211) faces the middle position of the center lines of two adjacent first positioning portions (111).

5. The assembly tool according to claim 1, characterized in that: The first positioning portion (111) and / or the second positioning portion (211) is a groove.

6. The assembly tool according to any one of claims 1 to 5, characterized in that: The assembly tool further comprises a locking assembly (3), wherein the locking assembly (3) comprises a plurality of locking members arranged at intervals along the second direction, and each of the plurality of locking members is capable of locking the second slider (22) at a corresponding position.

7. The assembly tool according to claim 6, characterized in that: The locking member is a locking pin (31), the second slider (22) is provided with a locking groove (222), and a plurality of the locking pins (31) can be inserted into the locking groove (222) to lock the second slider (22).

8. The assembly tool according to any one of claims 1 to 5, characterized in that: The second clamping assembly (2) further comprises a pressure sensor (4), wherein a detection end of the pressure sensor (4) abuts against the second slider (22) to detect a change in the pressure of the second slider (22) on the pressure sensor (4).

9. The assembly tool according to any one of claims 1 to 5, characterized in that: The assembly tool also includes a positioning structure (5), wherein the positioning structure (5) is configured to position the bracket, and the bracket is configured to support the battery cell.

10. The assembly tool according to claim 9, characterized in that: The positioning structure (5) comprises a plurality of positioning blocks (51), some of the positioning blocks (51) having a first positioning portion (111) capable of positioning the bracket in the first direction, and some of the positioning blocks (51) having a second positioning portion (211) capable of positioning the bracket in the second direction.

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