Battery cell module auxiliary stacking device and detection equipment

Abstract

The utility model discloses a battery cell module auxiliary stacking device and detection equipment, the stacking device comprises a bearing piece, a first pressing part and a second pressing part, the first pressing part comprises a first base and a first pressing assembly, and the second pressing part comprises a second base and a second pressing assembly; the first pressing assembly is configured to press the first ends of the plurality of battery cells stacked on the bearing part and mount the borne first end plate at the first ends of the plurality of pressed battery cells; the second pressing part comprises a second base and a second pressing assembly; the second pressing assembly is configured to press the second ends of the plurality of battery cells stacked on the bearing part and mount a borne second end plate at the second ends of the plurality of pressed battery cells; the mounting positions of the first pressing assembly and the second pressing assembly on the corresponding base in the first horizontal direction are adjustable. The stacking device can be suitable for assembling the battery cell modules with different lengths, the compatibility of the stacking device is improved, and the equipment investment cost is reduced.

Description

Technical Field

[0001] This application belongs to the technical field of lithium battery production equipment, and particularly relates to an auxiliary stacking device and a detection device for a battery cell module. Background Art

[0002] In the production process of a battery cell module, multiple battery cells need to be stacked to form a battery cell module, and then each battery cell of the battery cell module is detected. The current production method is usually to first assemble multiple battery cells into a battery cell module through an auxiliary stacking device, and then detect the assembled battery cell module through a detection component. However, the existing auxiliary stacking device can only assemble a battery cell module of one specification, and different auxiliary stacking devices need to be replaced when assembling battery cell modules of different specifications, which has the disadvantage of poor compatibility. Summary of the Utility Model

[0003] The purpose of this application is to provide an auxiliary stacking device for a battery cell module to solve the problem of poor compatibility of the existing auxiliary stacking device for a battery cell module; in addition, another purpose of this application is to provide a detection device including the auxiliary stacking device for a battery cell module.

[0004] To achieve this purpose, this application adopts the following technical solutions:

[0005] In the first aspect, this application provides an auxiliary stacking device for a battery cell module, which is used to assemble a battery cell module. The battery cell module includes a first end plate, a second end plate, and a plurality of battery cells located between the first end plate and the second end plate; the auxiliary stacking device for a battery cell module includes a carrier, a first pressing part, and a second pressing part, wherein: the carrier is configured to carry a plurality of battery cells stacked along a first horizontal direction; the first pressing part is arranged at a first end of the carrier in the first horizontal direction, and the first pressing part includes a first base and a first pressing component. The first pressing component is installed on the first base, and the first pressing component is configured to press the first ends of a plurality of battery cells stacked on the carrier, and the first pressing component is further configured to carry the first end plate and install the carried first end plate at the first ends of the plurality of pressed battery cells; the second pressing part is arranged at a second end of the carrier in the first horizontal direction, and the second pressing part includes a second base and a second pressing component. The second pressing component is installed on the second base, and the second pressing component is configured to press the second ends of a plurality of battery cells stacked on the carrier, and the second pressing component is further configured to carry the second end plate and install the carried second end plate at the second ends of the plurality of pressed battery cells; the installation position of the first pressing component on the first base is adjustable along the first horizontal direction, and / or the installation position of the second pressing component on the second base is adjustable along the first horizontal direction.

[0006] The auxiliary stacking device for the battery cell module proposed in this application realizes pressing the first ends of a plurality of battery cells stacked on the carrier through the first pressing part and installing the first end plate at the first ends of the plurality of battery cells after pressing. The second pressing part realizes pressing the second ends of the plurality of battery cells stacked on the carrier and installing the second end plate at the second ends of the plurality of battery cells after pressing, thereby realizing the assembly of the battery cell module, saving labor, and improving the assembly efficiency of the battery cell module. At the same time, the installation positions of the first pressing assembly or / and the second pressing assembly in the first horizontal direction are adjustable, which can be applied to assemble battery cell modules of different lengths, improving the compatibility of the stacking device and reducing the equipment investment cost.

[0007] Optionally, two sets of limiting components are arranged in parallel along the second horizontal direction on the carrier. Both sets of limiting components extend along the first horizontal direction. The two sets of limiting components are configured to limit a plurality of battery cells stacked on the carrier in the second horizontal direction. The distance between the two sets of limiting components in the second horizontal direction is adjustable, and the first horizontal direction is perpendicular to the second horizontal direction.

[0008] By arranging two sets of limiting components in parallel along the second horizontal direction on the carrier, the limiting of a plurality of stacked battery cells in the second horizontal direction is realized during the assembly of the battery cell module. By adjusting the distance between the two sets of limiting components in the second horizontal direction, it can be applied to assemble battery cell modules of different widths, further improving the compatibility of the stacking device.

[0009] Optionally, the limiting component includes a limiting plate and a limiting block. The limiting block is detachably installed on the inner side wall of the limiting plate. The limiting plates of the two sets of limiting components or the limiting blocks of the two sets of limiting components limit a plurality of battery cells stacked on the carrier in the second horizontal direction.

[0010] By detachably installing the limiting block on the inner side wall of the limiting plate, according to actual needs, the limiting block can be selected to be installed on the limiting plate to limit a plurality of battery cells stacked on the carrier in the second horizontal direction through the limiting blocks of the two sets of limiting components; or the limiting block can be removed from the limiting plate to limit a plurality of battery cells stacked on the carrier in the second horizontal direction through the limiting plates of the two sets of limiting components. A limiting component that can be applied to assemble battery cell modules of two different widths is provided, with a simple structure and low cost.

[0011] Optionally, a receiving groove for receiving a bundling strap is formed on the carrier. Before stacking a plurality of battery cells, the bundling strap is limited in the receiving groove. After the first pressing assembly and the second pressing assembly press the first ends and the second ends of the plurality of battery cells respectively, the bundling strap leaves the receiving groove and is configured to surround and fix the first end plate, the second end plate, and the plurality of battery cells from the outside to form an assembled battery cell module.

[0012] By providing a receiving groove on the carrier, it is realized that the bundling strap is preset in the receiving groove of the carrier before stacking a plurality of battery cells. After pressing a plurality of battery cells, the stacked battery cell module is bundled by the bundling strap preset in the receiving groove, realizing the simultaneous pressing and bundling of a plurality of battery cells and improving the stacking efficiency of the battery cell module.

[0013] Optionally, the first pressing assembly includes a first mounting base and a first pressing member. The first mounting base is mounted on the first base in a first horizontal direction adjustable manner through a first fixing assembly, and the first pressing member is mounted at one end of the first mounting base close to the carrier.

[0014] Through the cooperation of the first fixing assembly and the first base, the first mounting base is adjusted in the first horizontal direction on the first base; by mounting the first pressing member at one end of the first mounting base close to the carrier, the first ends of a plurality of battery cells are pressed by the first pressing member.

[0015] Optionally, the second pressing assembly includes a second mounting base, a second pressing member and a first driving member. The second mounting base is mounted on the second base in a first horizontal direction adjustable manner through a second fixing assembly. The fixed end of the first driving member is mounted on the second mounting base, and the driving end of the first driving member is connected to the second pressing member. The first driving member is configured to drive the second pressing member to approach or move away from the carrier to cooperate with the first pressing member to press or release the first ends and the second ends of a plurality of battery cells stacked on the carrier.

[0016] Through the cooperation of the second fixing assembly and the second base, the second mounting base is adjusted in the first horizontal direction on the second base; by driving the second pressing member to approach or move away from the carrier by the first driving member, the second ends of a plurality of battery cells are pressed or released by the second pressing member.

[0017] Optionally, the first fixing assembly includes a plurality of first positioning holes and first positioning pins. The plurality of first positioning holes are formed in the first base and arranged at intervals in the first horizontal direction. The first positioning pins are mounted on the first mounting base, and the first positioning pins are inserted into the corresponding first positioning holes to fix the first mounting base on the first base; the second fixing assembly includes a plurality of second positioning holes and second positioning pins. The plurality of second positioning holes are formed in the second base and arranged at intervals in the first horizontal direction. The second positioning pins are mounted on the second mounting base, and the second positioning pins are inserted into the corresponding second positioning holes to fix the second mounting base on the second base.

[0018] Through the cooperation of a number of first positioning holes and first positioning pins, the first mounting base can be quickly fixed or loosened relative to the first base; through the cooperation of a number of second positioning holes and second positioning pins, the second mounting base can be quickly fixed or loosened relative to the second base; a first fixing component and a second fixing component with simple structure, low cost and convenient operation are provided.

[0019] Optionally, a first support member facing the carrier is provided at the bottom of the first pressing member, and a second support member facing the carrier is provided at the bottom of the second pressing member; the first support member is configured to carry the first end of the binding strap in the first horizontal direction when the first pressing member presses the first ends of a number of battery cells stacked on the carrier; the second support member is configured to carry the second end of the binding strap in the first horizontal direction when the second pressing member presses the second ends of a number of battery cells stacked on the carrier.

[0020] By providing a first support member on the first pressing member and a second support member on the second pressing member, after pressing the two ends of a number of battery cells, the sleeved binding straps are carried at both ends in the first horizontal direction, ensuring that the binding straps are in a position where they can reliably bind the first end plate, the second end plate and a number of battery cells, and guaranteeing the stability and reliability of the binding.

[0021] Optionally, a first positioning member and a first locking member are provided on the first pressing member. The first positioning member is configured to carry the first end plate on the first pressing member, and the first locking member is configured to fix or loosen the first end plate relative to the first pressing member; a second positioning member and a second locking member are provided on the second pressing member. The second positioning member is configured to carry the second end plate on the second pressing member, and the second locking member is configured to fix or loosen the second end plate relative to the second pressing member.

[0022] Through the cooperation of the first positioning member and the first locking member, the first end plate can be quickly and accurately fixed on the first pressing member; through the cooperation of the second positioning member and the second locking member, the second end plate can be quickly and accurately fixed on the second pressing member.

[0023] In a second aspect, the present application provides a detection device, which includes a stacking station and a detection station arranged side by side along a second horizontal direction, wherein: an auxiliary stacking device for battery cell modules is provided at the stacking station, and the carrier can be alternately moved to the stacking station or the detection station to move the assembled battery cell module into or out of the detection station; a detection component is provided above the detection station, the detection component includes a second driving member and a plurality of detection members, each detection member corresponds to a battery cell of the battery cell module, the driving end of the second driving member is connected to the plurality of detection members, and the second driving member is configured to drive the plurality of detection members to lift and lower synchronously; the carrier moves from the stacking station to the detection station to move the assembled battery cell module into the detection station, and the second driving member drives the plurality of detection members to synchronously descend to a preset position, so that each detection member is electrically connected to the corresponding battery cell terminal to perform detection on the battery cell module.

[0024] The detection device provided by the present application realizes the automatic detection of the stacked battery cell module through the cooperation of the auxiliary stacking device for battery cell modules and the detection component. The stacking operation is convenient and fast, and the detection efficiency is high; at the same time, the auxiliary stacking device for battery cell modules and the detection component can stack and detect battery modules of different specifications, and have good compatibility. Description of the Drawings

[0025] Figure 1 is a schematic three-dimensional structure diagram of the auxiliary stacking device for battery cell modules provided by an embodiment of the present application;

[0026] Figure 2 is a schematic three-dimensional structure diagram of the carrier of the auxiliary stacking device for battery cell modules provided by an embodiment of the present application;

[0027] Figure 3 is a schematic three-dimensional structure diagram of the first pressing part of the auxiliary stacking device for battery cell modules provided by an embodiment of the present application;

[0028] Figure 4 is a top view schematic diagram of the first pressing part of the auxiliary stacking device for battery cell modules provided by an embodiment of the present application;

[0029] Figure 5 is a schematic three-dimensional structure diagram of the second pressing part of the auxiliary stacking device for battery cell modules provided by an embodiment of the present application;

[0030] Figure 6 is a schematic three-dimensional structure diagram of the detection device provided by an embodiment of the present application.

[0031] Figures 1 to 6 It includes the following reference numerals:

[0032] Carrier 10: bottom plate 100, support bar 101, limit assembly 11, limit plate 110, limit block 111, receiving groove 12, bundling strap 13;

[0033] The first pressing part 20: the first base 21, the first pressing assembly 22, the first mounting seat 23, the first pressing member 24, the first support member 240, the first positioning member 241, the first locking member 242, the first fixing assembly 25, the first positioning hole 250, the first positioning pin 251, the linear guide rail 26, the slider 27;

[0034] The second pressing part 30: the second base 31, the second pressing assembly 32, the second mounting seat 33, the second pressing member 34, the second support member 340, the second positioning member 341, the second locking member 342, the first driving member 35;

[0035] The detection assembly 40: the second driving member 400, the detection member 401;

[0036] The stacking station 50;

[0037] The detection station 60. Specific embodiments

[0038] To make the above objects, features, and advantages of the present application more obvious and understandable, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] During the production process of the battery cell module, it is necessary to stack multiple battery cells to form a battery cell module, and then detect each battery cell of the battery cell module. The current production method is usually to first assemble multiple battery cells into a battery cell module through an auxiliary stacking device, and then use a detection assembly to detect the assembled battery cell module. However, the existing auxiliary stacking device can only assemble battery cell modules of one specification, and different auxiliary stacking devices need to be replaced when assembling battery cell modules of different specifications, which has the disadvantage of poor compatibility.

[0040] For this reason, the present application proposes an auxiliary stacking device for a battery cell module. Please refer to Figure 1 As shown, an auxiliary stacking device for a battery cell module provided in this embodiment is used to assemble a battery cell module. The battery cell module includes a first end plate, a second end plate, and a plurality of battery cells located between the first end plate and the second end plate; the auxiliary stacking device for the battery cell module includes a carrier 10, a first pressing part 20, and a second pressing part 30. The carrier 10 is configured to carry along the first horizontal direction ( Figure 1a plurality of battery cells stacked in the X direction (in the figure); the first pressing part 20 is arranged at the first end of the carrier 10 in the first horizontal direction. The first pressing part 20 includes a first base 21 and a first pressing assembly 22. The first pressing assembly 22 is installed on the first base 21. The first pressing assembly 22 is configured to press the first ends of the plurality of battery cells stacked on the carrier 10, and the first pressing assembly 22 is further configured to carry the first end plate and install the carried first end plate at the first ends of the plurality of pressed battery cells; the second pressing part 30 is arranged at the second end of the carrier 10 in the first horizontal direction. The second pressing part 30 includes a second base 31 and a second pressing assembly 32. The second pressing assembly 32 is installed on the second base 31. The second pressing assembly 32 is configured to press the second ends of the plurality of battery cells stacked on the carrier 10, and the second pressing assembly 32 is further configured to carry the second end plate and install the carried second end plate at the second ends of the plurality of pressed battery cells; the installation position of the first pressing assembly 22 on the first base 21 in the first horizontal direction is adjustable, and / or the installation position of the second pressing assembly 32 on the second base 31 in the first horizontal direction is adjustable.

[0041] Through the first pressing part 20, the first ends of the plurality of battery cells stacked on the carrier 10 are pressed and the first end plate is installed at the first ends of the plurality of pressed battery cells. Through the second pressing part 30, the second ends of the plurality of battery cells stacked on the carrier 10 are pressed and the second end plate is installed at the second ends of the plurality of pressed battery cells, thereby realizing the assembly of the battery cell module, saving manpower and improving the assembly efficiency of the battery cell module; at the same time, the installation position of the first pressing assembly 22 and / or the second pressing assembly 32 in the first horizontal direction is adjustable, which can be applicable to the assembly of battery cell modules with different lengths, improving the compatibility of the stacking device and reducing the equipment investment cost.

[0042] Please refer to Figure 1 and Figure 2 As shown, in one embodiment, two sets of limiting components 11 are arranged in parallel on the carrier 10 in the second horizontal direction ( Figure 1 the Y direction in the figure), and both sets of limiting components 11 extend along the first horizontal direction. The two sets of limiting components 11 are configured to limit the plurality of battery cells stacked on the carrier 10 in the second horizontal direction, and the distance between the two sets of limiting components 11 in the second horizontal direction is adjustable. The first horizontal direction is perpendicular to the second horizontal direction.

[0043] Specifically, the carrier 10 includes a bottom plate 100 and a plurality of support bars 101 fixed on the bottom plate 100 and arranged in parallel. The support bars 101 extend along the first horizontal direction, and the plurality of stacked battery cells are placed on the plurality of support bars 101.

[0044] By arranging two sets of limiting components 11 in parallel along the second horizontal direction on the carrier, the limiting of a plurality of stacked battery cells in the second horizontal direction is realized during the assembly of the battery cell module; by adjusting the distance between the two sets of limiting components 11 in the second horizontal direction, it is possible to assemble battery cell modules of different widths, further improving the compatibility of the stacking device.

[0045] In one embodiment, the limiting component 11 includes a limiting plate 110 and a limiting block 111. The limiting block 111 is detachably mounted on the inner side wall of the limiting plate 110. The limiting plates 110 of the two sets of limiting components 11 or the limiting blocks 111 of the two sets of limiting components 11 limit a plurality of stacked battery cells on the carrier 10 in the second horizontal direction.

[0046] Specifically, the limiting plate 110 is movably mounted on the bottom plate 100 along the second horizontal direction. The limiting plate 110 is locked or loosened relative to the bottom plate 100 through a locking member 112, so that the distance between the two limiting plates 110 of the two sets of limiting components 11 in the second horizontal direction is adjustable, further improving the compatibility of the stacking device.

[0047] Specifically, the limiting plate 110 is movably mounted on the bottom plate 100 through a sliding assembly composed of a linear guide rail 26 and a slider 27 to ensure the smooth movement of the limiting plate 110.

[0048] By detachably mounting the limiting block 111 on the inner side wall of the limiting plate 110, according to actual needs, the limiting block 111 can be selected to be mounted on the limiting plate 110 to limit a plurality of stacked battery cells on the carrier 10 in the second horizontal direction through the limiting blocks 111 of the two sets of limiting components 11; or the limiting block 111 can be removed from the limiting plate 110 to limit a plurality of stacked battery cells on the carrier 10 in the second horizontal direction through the limiting plates 110 of the two sets of limiting components 11. A limiting component 11 that can adapt to the assembly of two different widths of battery cell modules is provided, with a simple structure and low cost.

[0049] In one embodiment, when a battery cell module is placed on the carrier 10, the two opposite sides of the battery cell module can be limited by the limiting block 111; when two battery cell modules are placed side by side along the second horizontal direction on the carrier 10, the limiting block 111 can be removed, and the two opposite sides of the two battery cell modules can be limited by the limiting plate 110.

[0050] In one embodiment, a receiving groove 12 for receiving a bundling strap 13 is formed in a carrier 10. Before stacking a plurality of battery cells, the bundling strap 13 is pre - positioned in the receiving groove 12. After the first pressing assembly 22 and the second pressing assembly 32 press the first end and the second end of the plurality of battery cells respectively, the bundling strap 13 leaves the receiving groove 12 and is configured to surround and fix the first end plate, the second end plate and the plurality of battery cells from the outside to form an assembled battery cell module.

[0051] Specifically, the receiving groove 12 is formed in the support bar 101.

[0052] By providing the receiving groove 12 on the carrier 10, the bundling strap 13 is preset in the receiving groove 12 of the carrier 10 before stacking a plurality of battery cells. After pressing the plurality of battery cells, the stacked battery cell module is bundled by the bundling strap 13 preset in the receiving groove 12, realizing the synchronous pressing and bundling of the plurality of battery cells and improving the stacking efficiency of the battery cell module.

[0053] Please refer to Figure 1 and Figure 3 As shown, in one embodiment, the first pressing assembly 22 includes a first mounting base 23 and a first pressing member 24. The first mounting base 23 is mounted on the first base 21 through a first fixing assembly 25 so as to be adjustable along a first horizontal direction. The first pressing member 24 is mounted at one end of the first mounting base 23 close to the carrier.

[0054] Specifically, the first mounting base 23 is slidably mounted on the first base 21 through a sliding pair composed of a linear guide rail 26 and a slider 27 to ensure the stable movement of the first mounting base 23.

[0055] Through the cooperation of the first fixing assembly 25 and the first base 21, the first mounting base 23 is adjusted along the first horizontal direction on the first base 21. By mounting the first pressing member 24 at one end of the first mounting base 23 close to the carrier 10, the first end of the plurality of battery cells is pressed by the first pressing member 24.

[0056] Please refer to Figure 1 and Figure 5 As shown, in one embodiment, the second pressing assembly 32 includes a second mounting base 33, a second pressing member 34 and a first driving member 35. The second mounting base 33 is mounted on the second base 31 through a second fixing assembly so as to be adjustable along the first horizontal direction. The fixed end of the first driving member 35 is mounted on the second mounting base 33, and the driving end of the first driving member 35 is connected to the second pressing member 34. The first driving member 35 is configured to drive the second pressing member 34 to approach or depart from the carrier 10 to cooperate with the first pressing member 24 to press or release the first end and the second end of the plurality of battery cells stacked on the carrier 10.

[0057] Specifically, the second mounting base 33 is slidably mounted on the second base 31 along the first horizontal direction through a sliding pair composed of a linear guide rail 26 and a slider 27 to ensure smooth movement of the second mounting base 33.

[0058] Through the cooperation of the second fixing component 36 and the second base 31, the adjustment of the second mounting base 33 on the second base 31 along the first horizontal direction is realized; by driving the second pressing member 34 to approach or move away from the carrier 10 by the first driving member 35, the second pressing of the second pressing member 34 on the second ends of a plurality of battery cells is realized or released.

[0059] Please refer to Figures 3 to 5 As shown, in an embodiment, the first fixing component 25 includes a plurality of first positioning holes 250 and first positioning pins 251. The plurality of first positioning holes 250 are opened on the first base 21 and are arranged at intervals along the first horizontal direction. The first positioning pins 251 are installed on the first mounting base 23, and the first positioning pins 251 are inserted into the corresponding first positioning holes 250 to fix the first mounting base 23 on the first base 21; the second fixing component (not shown in the figure) includes a plurality of second positioning holes and second positioning pins. The plurality of second positioning holes are opened on the second base 31 and are arranged at intervals along the first horizontal direction. The second positioning pins are installed on the second mounting base 33, and the second positioning pins are inserted into the corresponding second positioning holes to fix the second mounting base 33 on the second base.

[0060] Through the cooperation of the plurality of first positioning holes 250 and the first positioning pins 251, the first mounting base 23 can be quickly fixed or released relative to the first base 21; through the cooperation of the plurality of second positioning holes and the second positioning pins, the second mounting base 33 can be quickly fixed or released relative to the second base 31; a first fixing component 25 and a second fixing component with simple structure, low cost and convenient operation are provided.

[0061] Please refer to Figure 1 、 Figures 3 to 5 As shown, in an embodiment, a first support member 240 facing the carrier 10 is provided at the bottom of the first pressing member 24, and a second support member 340 facing the carrier 10 is provided at the bottom of the second pressing member 34; the first support member 240 is configured to support the first end of the binding strap 13 in the first horizontal direction when the first pressing member 24 presses the first ends of a plurality of battery cells stacked on the carrier 10; the second support member 340 is configured to support the second end of the binding strap 13 in the first horizontal direction when the second pressing member 34 presses the second ends of a plurality of battery cells stacked on the carrier 10.

[0062] Specifically, both the first support member 240 and the second support member 340 include two support blocks arranged at intervals along the second horizontal direction.

[0063] By providing a first support member 240 on the first pressing member 24 and a second support member 340 on the second pressing member 34, after pressing both ends of a plurality of battery cells, the bundled strap 13 sleeved thereon is carried at both ends in the first horizontal direction, ensuring that the bundled strap 13 is in a position where it can reliably bundle the first end plate, the second end plate and a plurality of battery cells, thus guaranteeing the stability and reliability of the bundling.

[0064] In one embodiment, a first positioning member 241 and a first locking member 242 are provided on the first pressing member 24. The first positioning member 241 is configured to carry the first end plate on the first pressing member 24, and the first locking member 242 is configured to fix or release the first end plate relative to the first pressing member 24; a second positioning member 341 and a second locking member 342 are provided on the second pressing member 34. The second positioning member 341 is configured to carry the second end plate on the second pressing member 34, and the second locking member 342 is configured to fix or release the second end plate relative to the second pressing member 34.

[0065] Specifically, the first positioning member 241 includes two positioning posts fixed on the corresponding first pressing member 24 and extending towards the carrier 10. Two positioning holes are formed in the first end plate to cooperate with the two positioning posts of the first positioning member 241. The two positioning posts are inserted into the corresponding positioning holes to carry the first end plate; the second positioning member 341 includes two positioning posts fixed on the corresponding second pressing member 34 and extending towards the carrier 10. Two positioning holes are formed in the second end plate to cooperate with the two positioning posts of the second positioning member 341. The two positioning posts are inserted into the corresponding positioning holes to carry the second end plate.

[0066] Specifically, the first locking member 242 is a crimping plier installed on the first pressing member 24; the second locking member 342 is a crimping plier installed on the second pressing member 34.

[0067] Through the cooperation of the first positioning member 241 and the first locking member 242, the first end plate is quickly and accurately fixed on the first pressing member 24; through the cooperation of the second positioning member 341 and the second locking member 342, the second end plate is quickly and accurately fixed on the second pressing member 34.

[0068] It should be noted that when the above-mentioned auxiliary stacking device for the battery cell module works, the first pressing part 20 is used as a relatively fixed reference side, and the second pressing part 30 is used as a movable pressing side.

[0069] The auxiliary stacking device for the battery cell module provided by the embodiment of the present application has the following advantages:

[0070] 1) It can assist in stacking battery cell modules with different specifications and sizes, has good compatibility, and reduces the equipment investment cost;

[0071] 2) After compressing several battery cells, the bundling strap 13 can automatically bundle the stacked battery cell modules, realizing the synchronous pressing and bundling of several battery cells, and improving the stacking efficiency of the battery cell modules;

[0072] 3) The adjustment process of the first pressing member 24 and the second pressing member 34 in the first horizontal direction is convenient, fast, simple in structure and low in cost;

[0073] 4) The first end plate and the second end plate can be respectively fixed on the first pressing member 24 and the second pressing member 34, ensuring the mounting accuracy of the first end plate and the second end plate.

[0074] In a second aspect, the present application also proposes a detection device. Please refer to Figure 6 As shown, the detection device provided in the embodiment of the present application includes a stacking station 50 and a detection station 60 arranged in parallel along the second horizontal direction. At the stacking station 50, there is a battery cell module auxiliary stacking device as described above. The carrier 10 can be alternately moved to the stacking station 50 or the detection station 60 to move the assembled battery cell module into or out of the detection station 60; above the detection station, there is a detection assembly 40. The detection assembly 40 includes a second driving member 400 and several detection members 401. Each detection member 401 corresponds to a battery cell of the battery cell module. The driving end of the second driving member 400 is connected to several detection members 401. The second driving member 400 is configured to drive several detection members 401 to lift and lower synchronously; the carrier 10 moves from the stacking station 50 to the detection station 60 to move the assembled battery cell module into the detection station 60. The second driving member 400 drives several detection members 401 to synchronously descend to a preset position, so that each detection member 401 is electrically connected to the corresponding battery cell pole column to detect the battery cell module.

[0075] Specifically, there is a track between the stacking station 50 and the detection station 60. The carrier 10 is slidably mounted on the track along the second horizontal direction.

[0076] Through the cooperation of the battery cell module auxiliary stacking device and the detection assembly 41, the automatic detection of the stacked battery cell module is realized. The stacking operation is convenient and fast, and the detection efficiency is high; at the same time, the battery cell module auxiliary stacking device and the detection assembly 41 can stack and detect battery modules of different specifications, and have good compatibility.

[0077] The above embodiments only illustrate the basic principles and characteristics of the present application. The present application is not limited by the above examples. Without departing from the spirit and scope of the present application, there are various changes and alterations in the present application, and these changes and alterations all fall within the scope of the present application claimed. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A battery cell module auxiliary stacking device, used for assembling a battery cell module, wherein the battery cell module comprises a first end plate, a second end plate and a plurality of battery cells located between the first end plate and the second end plate; characterized in that: The battery cell module auxiliary stacking device comprises a carrier, a first pressing portion and a second pressing portion, wherein: The carrier is configured to carry a plurality of battery cells stacked along a first horizontal direction; The first pressing portion is arranged at the first end of the carrier in the first horizontal direction, the first pressing portion comprises a first base and a first pressing assembly, the first pressing assembly is mounted on the first base, the first pressing assembly is configured to press the first ends of the plurality of battery cells stacked on the carrier, and the first pressing assembly is further configured to carry the first end plate and install the carried first end plate on the first ends of the plurality of battery cells after pressing; The second pressing portion is arranged at the second end of the carrier in the first horizontal direction, the second pressing portion comprises a second base and a second pressing assembly, the second pressing assembly is mounted on the second base, the second pressing assembly is configured to press the second ends of the plurality of battery cells stacked on the carrier, and the second pressing assembly is further configured to carry the second end plate and install the carried second end plate on the second ends of the plurality of battery cells after pressing; The installation position of the first clamping assembly on the first base along the first horizontal direction is adjustable, or / and the installation position of the second clamping assembly on the second base along the first horizontal direction is adjustable.

2. The battery cell module auxiliary stacking device according to claim 1, characterized in that: Two sets of limit assemblies are arranged in parallel along the second horizontal direction on the carrier, and the two sets of limit assemblies extend along the first horizontal direction. The two sets of limit assemblies are configured to limit the number of battery cells stacked on the carrier in the second horizontal direction. The spacing between the two sets of limit assemblies in the second horizontal direction is adjustable, and the first horizontal direction is perpendicular to the second horizontal direction.

3. The battery cell module auxiliary stacking device according to claim 2, characterized in that: The limiting assembly includes a limiting plate and a limiting block, wherein the limiting block is detachably mounted on the inner side wall of the limiting plate, and the limiting plates of the two sets of limiting assemblies or the limiting blocks of the two sets of limiting assemblies limit the plurality of battery cells stacked on the carrier in the second horizontal direction.

4. The battery cell module auxiliary stacking device according to claim 1, characterized in that: The carrier is provided with a receiving groove for receiving a strapping tape. Before stacking the plurality of battery cells, the strapping tape is confined in the receiving groove. After the first clamping assembly and the second clamping assembly respectively clamp the first ends and the second ends of the plurality of battery cells, the strapping tape leaves the receiving groove and is configured to surround and fix the first end plate, the second end plate and the plurality of battery cells from the outside to form the assembled battery cell module.

5. The battery cell module auxiliary stacking device according to claim 4, characterized in that: The first clamping assembly includes a first mounting seat and a first clamping member. The first mounting seat can be adjustably mounted on the first base along a first horizontal direction through a first fixing assembly, and the first clamping member is mounted on one end of the first mounting seat close to the bearing member.

6. The battery cell module auxiliary stacking device according to claim 5, characterized in that: The second clamping assembly includes a second mounting seat, a second clamping member and a first driving member. The second mounting seat can be adjustably mounted on the second base along a first horizontal direction through a second fixing assembly. The fixed end of the first driving member is mounted on the second mounting seat. The driving end of the first driving member is connected to the second clamping member. The first driving member is configured to drive the second clamping member to approach or move away from the carrier to cooperate with the first clamping member to clamp or loosen the first and second ends of the plurality of battery cells stacked on the carrier.

7. The battery cell module auxiliary stacking device according to claim 6, characterized in that: The first fixing assembly includes a plurality of first positioning holes and first positioning pins, wherein the plurality of first positioning holes are formed on the first base and are spaced apart along the first horizontal direction, and the first positioning pins are mounted on the first mounting seat, and the first positioning pins are inserted into the corresponding first positioning holes to fix the first mounting seat on the first base; The second fixing assembly includes a plurality of second positioning holes and second positioning pins, wherein the plurality of second positioning holes are opened on the second base and are spaced apart along the first horizontal direction, and the second positioning pins are installed on the second mounting seat, and the second positioning pins are inserted into corresponding second positioning holes to fix the second mounting seat on the second base.

8. The battery cell module auxiliary stacking device according to claim 6, characterized in that: A first supporting member facing the bearing member is disposed at the bottom of the first pressing member, and a second supporting member facing the bearing member is disposed at the bottom of the second pressing member; The first supporting member is configured to support the first end of the strapping belt in the first horizontal direction when the first pressing member compresses the first ends of the plurality of battery cells stacked on the supporting member; The second supporting member is configured to support the second end of the binding belt in the first horizontal direction when the second pressing member presses the second ends of the plurality of battery cells stacked on the supporting member.

9. The battery cell module auxiliary stacking device according to claim 6, characterized in that: The first pressing member is provided with a first positioning member and a first locking member, the first positioning member is configured to bear the first end plate on the first pressing member, and the first locking member is configured to fix or loosen the first end plate relative to the first pressing member; The second pressing member is provided with a second positioning member and a second locking member, the second positioning member is configured to support the second end plate on the second pressing member, and the second locking member is configured to fix or loosen the second end plate relative to the second pressing member.

10. A detection device, characterized in that: The detection device comprises a stacking station and a detection station arranged in parallel along a second horizontal direction, wherein: The stacking station is provided with a A battery cell module auxiliary stacking device, wherein the carrier can be alternately moved to the stacking station or the inspection station to move the assembled battery cell module into or out of the inspection station; A detection assembly is arranged above the detection station, the detection assembly includes a second driving member and a plurality of detection members, each of the detection members corresponds to a battery cell of the battery cell module, a driving end of the second driving member is connected to the plurality of detection members, and the second driving member is configured to drive the plurality of detection members to rise and fall synchronously; The carrier moves from the stacking station to the inspection station to move the assembled battery cell module into the inspection station, and the second driving member drives the multiple inspection members to synchronously descend to a preset position, so that each of the inspection members is electrically connected to a corresponding battery cell pole to perform inspection on the battery cell module.

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