Stacking tool for battery modules

Abstract

The utility model relates to the technical field of batteries, in particular to a battery module stacking tool which comprises a tray connecting piece, a positioning and assembling mechanism and a supporting seat, the positioning and assembling mechanism and the supporting seat are both arranged on the tray connecting piece, and the positioning and assembling mechanism is rotationally connected with the supporting seat; and the positioning and assembling mechanism and the stacked battery cell components mounted in the positioning and assembling mechanism are turned from a vertical state to a horizontal state. Therefore, in the using process of the stacking tool of the battery module, after the battery cells are stacked through the positioning assembly mechanism, the whole stacking tool can be overturned relative to the tray connecting piece, namely, the whole stacking tool is overturned to the horizontal state from the vertical state, so that heat-conducting glue brushing and heating film pasting on the horizontally-arranged tops of the battery cell assemblies are facilitated, time and labor are saved, and the working efficiency is improved. And the working efficiency is greatly improved, the tool cannot be polluted, and the subsequent cleaning work is avoided.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of batteries, in particular to a stacking tool for a battery module. BACKGROUND

[0002] At present, in the process of stacking a module with a heating film structure on the side, the surface of the stacked battery cell is first brushed with heating glue, and then the heating film is laid to ensure the uniformity of the heating of the battery cell in the module. However, when the vertical brushing of the heat-conducting glue is performed, the glue will flow downward under the action of gravity, polluting the tool, and the vertical brushing of the glue is not convenient for manual operation due to the influence of the logistics line height. CONTENT OF THE UTILITY MODEL

[0003] The application aims to provide a stacking tool for a battery module, which solves the technical problem that, in the process of stacking a module with a heating film structure on the side, the glue will flow downward under the action of gravity when the vertical brushing of the heat-conducting glue is performed, polluting the tool, and the vertical brushing of the glue is not convenient for manual operation.

[0004] The application provides a stacking tool for a battery module, which comprises a tray connecting piece, a positioning assembly mechanism and a supporting seat, wherein the positioning assembly mechanism and the supporting seat are arranged on the tray connecting piece, and the positioning assembly mechanism is rotationally connected with the supporting seat, so that the positioning assembly mechanism and a battery cell assembly stacked in the positioning assembly mechanism are turned from a vertical state to a horizontal state.

[0005] In the above technical solution, further, an avoiding groove is formed in the lower area of the tray connecting piece close to the rotationally connected position of the positioning assembly mechanism and the supporting seat.

[0006] In any of the above technical solutions, further, the stacking tool for the battery module further comprises a turnover supporting piece, and the turnover supporting piece is arranged on the supporting seat.

[0007] In any of the above technical solutions, further, the supporting seat is formed with an L-shaped mounting groove, and the turnover supporting piece is arranged in the mounting groove.

[0008] In any of the above technical solutions, further, the stacking tool for the battery module further comprises an auxiliary supporting piece, and the auxiliary supporting piece is arranged on the turnover supporting piece and faces the turned-over battery cell assembly.

[0009] In any of the above technical solutions, further, the stacking tool of the battery module further comprises a rotating shaft, a bearing plate and a bearing; the rotating shaft is fixedly connected with the support base; the bearing plate is formed with a mounting hole, and the bearing is arranged in the mounting hole; the bearing plate is connected with the outer ring of the bearing, and the rotating shaft is connected with the inner ring of the bearing.

[0010] In any of the above technical solutions, further, the number of the support bases is two, and the stacking directions of the battery cells are arranged on the same side of the two ends of the positioning and assembling mechanism; the two ends of the rotating shaft are respectively installed on the two support bases, and the two ends of the rotating shaft are respectively provided with the bearing and the bearing plate.

[0011] In any of the above technical solutions, further, the positioning and assembling mechanism comprises a side support assembly, a pin gear and a pressing member; the side support assembly is formed with a mounting space and a top opening, and the mounting space is used for stacking the battery cells;

[0012] The pin gear is arranged at the top opening of the side support assembly and is used for placing the circuit board; the pressing member is arranged on the top of the pin gear and the circuit board, the pressing member is detachably connected with the side support assembly and is used for fixing the circuit board; the pressing member is formed with a avoiding gap and is used for exposing the circuit board.

[0013] In any of the above technical solutions, further, the positioning and assembling mechanism further comprises a pin gear fixing member, the pressing member is formed with a groove, and the pin gear fixing member is installed in the groove; the pin gear fixing member is formed with a plurality of limiting pin gears, and the plurality of limiting pin gears are respectively inserted into a plurality of insertion holes of the corresponding pin gears.

[0014] In any of the above technical solutions, further, the positioning and assembling mechanism further comprises a positioning member, and the positioning member is detachably inserted into the side support assembly and the pressing member.

[0015] In any of the above technical solutions, further, the pressing member and the side support assembly are detachably connected through a buckle.

[0016] In any of the above technical solutions, further, the positioning and assembling mechanism further comprises a module bottom plate, a support member, a screw, a nut, a handle and a pressing disc; the side support assembly and the support member are arranged on the module bottom plate, and the support member is arranged outside the side support assembly; the support member is formed with a mounting through hole, and the nut is installed in the mounting through hole of the support member;

[0017] The screw rod is threadedly connected with the nut, one end of the screw rod extends into a mounting space of the side support assembly and is connected with the pressure plate for applying pressure to the stacked cell assembly, and the other end of the screw rod extends outside the side support assembly and is connected with the handle.

[0018] In any of the above technical solutions, further, the side support assembly comprises a first side plate, a second side plate and an end plate; the first side plate and the second side plate are respectively arranged on two sides of the end plate and are respectively detachably connected with the end plate, and the three enclose the mounting space with an open top; the pressure setting member is detachably connected with at least one of the first side plate, the second side plate and the end plate.

[0019] The bottom of the second side plate is formed with a positioning protrusion, the upper surface of the module bottom plate is formed with an L-shaped positioning groove, a part of the L-shaped positioning groove is arranged along the stacking direction of the cell, another part of the L-shaped positioning groove is arranged along the direction perpendicular to the stacking direction of the cell and penetrates through one side of the module bottom plate, and the positioning protrusion can be slid into position along the L-shaped positioning groove.

[0020] In any of the above technical solutions, further, the cell module stacking tool further comprises an insulating bottom plate, and the tray connecting piece is fixed on the insulating bottom plate.

[0021] Compared with the prior art, the application has the following beneficial effects:

[0022] The cell module stacking tool provided by the application can be flipped relative to the tray connecting piece after the cell stacking is completed by using the positioning and assembling mechanism, that is, flipped from a vertical state to a horizontal state, so that the side of the cell assembly is brushed with heat-conducting glue and the heating film is attached when the cell assembly is flipped to the horizontal state, time and labor are saved, work efficiency is greatly improved, and the tool is not polluted, subsequent cleaning work is avoided, and manpower and material resources are saved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the specific embodiments or prior art of the application, the drawings needed in the specific embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0024] Figure 1 The structural schematic diagram of the cell module stacking tool provided by the embodiment of the application;

[0025] Figure 2Another structural schematic view of the stacking tool of the battery module provided by the embodiment of the present application;

[0026] Figure 3 Another structural schematic view of the stacking tool of the battery module provided by the embodiment of the present application;

[0027] Figure 4 A schematic view of the stacking tool of the battery module provided by the embodiment of the present application after being turned over;

[0028] Figure 5 Another schematic view of the stacking tool of the battery module provided by the embodiment of the present application after being turned over;

[0029] Figure 6 Another schematic view of the stacking tool of the battery module provided by the embodiment of the present application after being turned over;

[0030] Figure 7 An assembly view of the circuit board, the gear shaping tool, the pressing member and the gear shaping fixing member provided by the embodiment of the present application;

[0031] Figure 8 Another assembly view of the circuit board, the gear shaping tool, the pressing member and the gear shaping fixing member provided by the embodiment of the present application;

[0032] Figure 9 An assembly view of the circuit board and the gear shaping tool provided by the embodiment of the present application;

[0033] Figure 10 A structural schematic view of the pressing member provided by the embodiment of the present application;

[0034] Figure 11 A structural schematic view of the gear shaping tool provided by the embodiment of the present application;

[0035] Figure 12 Another structural schematic view of the stacking tool of the battery module provided by the embodiment of the present application;

[0036] Figure 13 An assembly schematic view of the stacking tool of the battery module and the battery cell assembly provided by the embodiment of the present application;

[0037] Figure 14 Another assembly schematic view of the stacking tool of the battery module and the battery cell assembly provided by the embodiment of the present application.

[0038] Reference signs:

[0039] 1-tray connecting piece, 101-avoidance groove, 2-positioning assembly mechanism, 21-side support assembly, 2101-first side plate, 2102-second side plate, 2103-end plate, 2014-mounting space, 22-gear shaping piece, 221-body, 222-supporting tooth, 23-pressing mechanism, 231-avoidance notch, 24-gear shaping fixing piece, 241-limiting gear shaping, 25-positioning mechanism, 26-buckle, 27-module bottom plate, 28-supporting mechanism, 29-screw, 210-nut, 211-handle, 212-pressing disc, 3-supporting seat, 4-flipping supporting piece, 5-assisting supporting piece, 6-rotation shaft, 7-bearing plate, 8-bearing, 9-electric core assembly, 10-circuit board, 11-insulating bottom plate, a-stacking direction of the electric core. DETAILED DESCRIPTION

[0040] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments.

[0041] The components of the embodiments of the present application generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0042] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0043] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0044] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] The application will be described below with reference to Figures 1 to 14 The application provides a stacking tool for a battery module.

[0046] Referring to Figures 1 to 6 , Figures 12 to 14 The application provides a stacking tool for a battery module, which comprises a tray connecting piece 1, a positioning assembly mechanism 2 and a support seat 3. The positioning assembly mechanism 2 and the support seat 3 are arranged on the tray connecting piece 1, and the positioning assembly mechanism 2 is rotationally connected with the support seat 3, so that the positioning assembly mechanism 2 and the battery cell assembly 9 stacked in the positioning assembly mechanism 2 are flipped from a vertical state to a horizontal state.

[0047] According to the above structure, when the battery cell assembly 9 is stacked by the positioning assembly mechanism 2, the whole can be flipped relative to the tray connecting piece 1, that is, flipped from a vertical state to a horizontal state, so that the heat-conducting glue and the heating film are brushed and attached on the side of the battery cell assembly 9 in the horizontal state, which saves time and effort and greatly improves work efficiency. Moreover, the tool is not polluted, subsequent cleaning work is avoided, and manpower and material resources are saved.

[0048] In this embodiment, preferably, as shown in Figure 1 and Figure 6 , an avoiding groove 101 is formed in the lower area of the tray connecting piece 1 near the rotationally connected position of the positioning assembly mechanism 2 and the support seat 3.

[0049] According to the above structure, the avoiding groove 101 is arranged in the lower area of the rotationally connected position of the positioning assembly mechanism 2 and the support seat 3, so as to avoid interference between the positioning assembly mechanism 2 and the tray connecting piece 1 during rotation of the positioning assembly mechanism 2.

[0050] Further, preferably, the avoiding groove 101 extends along the length direction of the positioning assembly mechanism 2.

[0051] In this embodiment, preferably, as shown in Figure 1 , Figure 3 , Figure 4 and Figure 6 , the stacking tool for the battery module further comprises a flipping support 4, which is arranged on the support seat 3.

[0052] According to the above structure, when the positioning assembly mechanism 2 is flipped to a horizontal state, the flipping support 4 is arranged below the positioning assembly mechanism 2, so that the positioning assembly mechanism 2 is more stable. Of course, the flipping support 4 can also not be arranged, and the specific selection is based on actual needs.

[0053] Further, preferably, the turnover support 4 can be a plate structure, of course, not limited to this, but also can be a block structure.

[0054] In this embodiment, preferably, as shown in Figure 1 The support base 3 is formed with an L-shaped mounting groove, and the turnover support 4 is mounted in the mounting groove.

[0055] According to the above-described structure, the opening of the L-shaped mounting groove is arranged away from one side of the positioning assembly mechanism 2 in the vertical state, and the turnover support 4 is fixed in the mounting groove, so that the turnover support 4 is more firmly and stably mounted with the support base 3, and interference with the positioning assembly mechanism 2 in the vertical state is avoided.

[0056] Further, preferably, the turnover support 4 and the support base 3 can be connected by bolts, of course, not limited to this, the turnover support 4 and the support base 3 can also be connected by buckling, welding or gluing and the like.

[0057] It should be noted that the mounting groove can not be provided on the support base 3, but the turnover support 4 can be directly fixed on the top or side of the support base 3 and the like.

[0058] In this embodiment, preferably, as shown in Figure 1 and Figure 3 The battery module stacking tool further comprises an auxiliary support 5, and the auxiliary support 5 is arranged on the turnover support 4 and is arranged towards the turned-over cell assembly 9.

[0059] According to the above-described structure, there is a height difference between the turnover support 4 and the cell assembly 9 built-in the positioning assembly mechanism 2, and the auxiliary support 5 is used to compensate for this height difference, and the thickness of the entire turnover support 4 does not need to be increased, which plays a role in weight reduction and material saving.

[0060] Further, preferably, the auxiliary support 5 and the turnover support 4 can be connected by bolts, of course, not limited to this, the auxiliary support 5 and the turnover support 4 can also be connected by buckling, welding or gluing and the like.

[0061] It should be noted that the auxiliary support 5 can not be provided, but the turnover support 4 can be directly thickened, which is designed according to actual needs.

[0062] In this embodiment, preferably, as shown in Figure 1 The battery module stacking tool further comprises a rotating shaft 6, and the positioning assembly mechanism 2 is rotatably connected with the support base 3 through the rotating shaft 6.

[0063] According to the above-described structure, the positioning assembly mechanism 2 is rotatably connected with the support base 3 through the rotating shaft 6, which is more stable in structure and more convenient in assembly.

[0064] In this embodiment, preferably, as shown in Figure 1 and Figure 3 , the stacking tool of the battery module further comprises a rotating shaft 6, a bearing plate 7 and a bearing 8; wherein the rotating shaft 6 is fixedly connected with the support base 3; the bearing plate 7 is formed with a mounting hole, and the bearing 8 is arranged in the mounting hole; the bearing plate 7 is connected with the outer ring of the bearing 8, and the rotating shaft 6 is connected with the inner ring of the bearing 8.

[0065] According to the above-described structure, the bearing plate 7 plays a role of mounting and supporting the bearing 8, and the bearing 8 plays a role of reducing friction and making rotation smoother.

[0066] Further, preferably, the bearing plate 7 can be a rectangular plate, which is arranged along the vertical direction, and the bearing plate 7 is arranged against one side of the support base 3.

[0067] In this embodiment, preferably, as shown in Figure 1 and Figure 3 , the number of the support bases 3 is two, and the stacking direction a of the battery cells is arranged on the same side of the two ends of the positioning assembly mechanism 2; the two ends of the rotating shaft 6 are respectively mounted on the two support bases 3, and the two ends of the rotating shaft 6 are respectively provided with the bearing 8 and the bearing plate 7.

[0068] According to the above-described structure, the support bases 3 are arranged on the same side of the two ends of the positioning assembly mechanism 2, and each of the support bases 3 is provided with the bearing 8 and the bearing plate 7, so that the two ends of the positioning assembly mechanism 2 are supported during the rotation of the positioning assembly mechanism 2, making the positioning assembly mechanism 2 more stable during and after rotation.

[0069] Further, preferably, the preset direction is the length direction of the positioning assembly mechanism 2, of course, not limited to this, but also can be designed according to actual needs.

[0070] Of course, not limited to this, but also can only set a group or more groups of support bases 3, bearing plates 7 and bearings 8 structure, specific according to actual needs.

[0071] In this embodiment, preferably, as shown in Figure 1 , Figures 7 to 11 , Figure 13 and Figure 14 , the positioning assembly mechanism 2 comprises a side support assembly 21, a gear shaping piece 22 and a pressing member 23; wherein the side support assembly 21 is formed with a mounting space 2014 and a top opening, and the mounting space 2014 is used for stacking battery cells; the gear shaping piece 22 is arranged at the top opening of the side support assembly 21, and is used for placing the circuit board 10;

[0072] The pressing member 23 is arranged on the top of the pinching member 22 and the circuit board 10, and is detachably connected with the side support assembly 21 and used for fixing the circuit board 10. The pressing member 23 is formed with an avoiding gap 231 and used for exposing the circuit board 10 to facilitate welding and other operations.

[0073] According to the above-described structure, the battery cells can be sequentially stacked between the first side plate 2101 and the end plate 2103 described below, and fixed by the pressure applying structure, then the pinching member 22 is installed on the top of the side support assembly 21 and the battery cell assembly 9, then the circuit board 10 is installed on the top of the pinching member 22, and then the side plates and other structural members are installed on both sides of the battery cells, and then the second side plate 2102 is installed in place, and finally the pressing member 23 is fixed on the top of the first side plate 2101, the second side plate 2102 and the end plate 2103 described below, that is, the circuit board 10 is pressed by the pressing member 23, and then the rotary positioning assembly mechanism 2 is rotated. It should be noted that the above assembly steps are only examples, and can be adjusted according to actual needs.

[0074] Further, preferably, the pinching member 22 comprises a body 221 and a plurality of support teeth 222; wherein the body 221 is U-shaped, and the plurality of support teeth 222 are arranged in the cavity of the body 221 and sequentially and spaced apart along the length direction of the body 221, that is, the stacking direction of the battery cell assembly 9, and the end of the support tooth 222 extends to the outside of the cavity of the body 221. Of course, the structure of the pinching member 22 is not limited to this, and can be designed according to actual needs.

[0075] Further, preferably, the pressing member 23 is a rectangular frame structure, which is adapted to the shape of the battery cell assembly 9. Of course, it is not limited to this, and can be designed according to actual needs.

[0076] In this embodiment, preferably, as shown in Figure 7 and Figure 8 The stacking tool of the battery module further comprises a pinching fixing member 24, the pressing member 23 is formed with a recess, and the pinching fixing member 24 is installed in the recess; the pinching fixing member 24 is formed with a plurality of limiting pins 241, and the plurality of limiting pins 241 are respectively inserted into the plurality of insertion holes of the corresponding pinching member 22.

[0077] According to the above-described structure, in this embodiment, the pinching fixing member 24 is further provided, which is installed on the pressing member 23 and the pinching member 22 after the pressing member 23 presses the circuit board 10, that is, the pinching fixing member 24 is installed on the pressing member 23, and the pins of the pinching fixing member 24 are inserted into the corresponding insertion holes of the pinching member 22, thereby limiting the pinching member 22 and improving the positioning accuracy of the circuit board 10.

[0078] It should be noted that the tooth fixing component 24 may not be provided, depending on the actual needs of the design.

[0079] In this embodiment, preferably, as follows: Figure 1 As shown, the positioning assembly mechanism also includes a positioning component 25, which is detachably inserted into the side support component 21 and the pressing component 23.

[0080] As can be seen from the structure described above, the positioning component 25 plays a role in assembling and positioning the side support component 21 and the pressing component 23, thereby improving the assembly accuracy.

[0081] Furthermore, preferably, the positioning component 25 is a positioning pin. Of course, it is not limited to this and can be selected according to actual needs.

[0082] In this embodiment, preferably, as follows: Figure 1 As shown, the pressing component 23 and the side support component 21 are detachably connected by a buckle 26.

[0083] As can be seen from the structure described above, the buckle 26 is more convenient to use and has a sturdy and stable structure. Of course, it is not limited to this. The pressing component 23 and the side support component 21 can also be detachably connected by bolts or buckles.

[0084] In this embodiment, preferably, as follows: Figure 3 As shown, the positioning assembly mechanism 2 also includes a module base plate 27, a support member 28, a screw 29, a nut 210, a handle 211, and a pressure plate 212; wherein, the side support assembly 21 and the support member 28 are both disposed on the module base plate 27, and the support member 28 is disposed outside the side support assembly 21; the support member 28 has a mounting through hole, and the nut 210 is installed in the mounting through hole of the support member 28;

[0085] The screw 29 is threadedly connected to the nut 210, and one end of the screw 29 extends into the mounting space 2014 of the side support assembly 21 and is connected to the pressure plate 212, which is used to apply pressure to the stacked cell assembly 9. The other end of the screw 29 extends to the outside of the side support assembly 21 and is connected to the handle 211.

[0086] As can be seen from the structure described above, by rotating the handle 211, the screw 29 is driven to rotate relative to the nut 210 and move along the stacking direction a of the battery cells, thereby applying pressure to the stacked battery cell assembly 9 and fixing the battery cell assembly 9 in place.

[0087] In this embodiment, preferably, as follows: Figure 1 , Figure 2 , Figure 13 andFigure 14 As shown, the side support assembly 21 comprises a first side plate 2101, a second side plate 2102, and an end plate 2103; the first side plate 2101 and the second side plate 2102 are respectively arranged on the two sides of the end plate 2103 and detachably connected with the end plate 2103, and the three plates enclose an installation space 2014 with an open top; the pressure applying member 23 is detachably connected with at least one of the first side plate 2101, the second side plate 2102, and the end plate 2103.

[0088] According to the above-described structure, the battery cells can be sequentially stacked between the first side plate 2101 and the end plate 2103 and fixed by the pressure applying structure, then the spline 22 is installed on the top of the side support assembly 21 and the battery cell assembly 9, then the circuit board 10 is installed on the top of the spline 22, then the side plates and other structural members are installed on the two sides of the battery cells, then the second side plate 2102 is installed in place, and finally the pressure applying member 23 is fixed on the top of the first side plate 2101, the second side plate 2102, and the end plate 2103, i.e., the circuit board 10 is pressed by the pressure applying member 23, and then the rotating positioning assembly mechanism 2 is rotated, i.e., the battery cell assembly 9 is rotated from the vertical state to the horizontal state, and the side of the battery cell assembly 9 is also rotated from the vertical state to the horizontal state, thereby facilitating the gluing on the horizontal surface. It should be noted that the above assembly steps are only examples, and can be adjusted according to actual needs.

[0089] The stacked battery cell assembly 9 is in the shape of a cuboid, and the three side plates can limit the two sides and one end of the stacked battery cell assembly 9, and the pressure plate 212 can fix the other end of the battery cell assembly 9, thereby achieving the fixation of the entire circumference of the battery cell assembly 9 and improving the fixation effect.

[0090] Further, preferably, the pressure applying member 23 is detachably connected with the first side plate 2101, the second side plate 2102, and the end plate 2103 through the aforementioned buckle 26.

[0091] Further, preferably, the first side plate 2101 and the second side plate 2102 are detachably connected with the end plate 2103 by bolts or buckles.

[0092] Further, preferably, the bottom of the second side plate 2102 is formed with a positioning protrusion, the upper surface of the module bottom plate 27 is formed with an L-shaped positioning groove, and a part of the L-shaped positioning groove, i.e., a second groove portion, is arranged along the stacking direction a of the battery cell, and another part of the L-shaped positioning groove, i.e., a first groove portion, is arranged along a direction perpendicular to the stacking direction a of the battery cell and penetrates through one side of the module bottom plate 27, and the positioning protrusion can slide into position along the L-shaped positioning groove, that is, the positioning protrusion slides into the second groove portion along the first groove portion, thereby being assembled into position, improving assembly accuracy. Of course, the aforementioned positioning protrusion and L-shaped positioning groove can also not be provided, and the specific design is based on actual needs.

[0093] In this embodiment, preferably, as shown in Figure 12 the stacking tool of the battery module further comprises an insulating bottom plate 11, and the tray connecting piece 1 is fixed to the insulating bottom plate 11.

[0094] According to the structure described above, the insulating bottom plate 11 plays a role of insulation protection.

[0095] Further, preferably, the tray connecting piece 1 and the insulating bottom plate 11 are detachably connected through bolts, of course, not limited thereto, and can also be connected through buckles and the like.

[0096] Further, preferably, the material of the insulating bottom plate 11 is bakelite, of course, not limited thereto, and can also be other insulating materials.

[0097] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A stacking fixture for battery modules, characterized in that, include: The pallet connector, the positioning assembly mechanism, and the support base are provided; wherein the positioning assembly mechanism and the support base are both disposed on the pallet connector, and the positioning assembly mechanism is rotatably connected to the support base, so that the positioning assembly mechanism and the battery cell assembly stacked within the positioning assembly mechanism are flipped from a vertical state to a horizontal state.

2. The stacking fixture for battery modules according to claim 1, characterized in that, An avoidance groove is formed in the area below the rotatable connection between the positioning assembly mechanism and the support base of the tray connector.

3. The stacking fixture for battery modules according to claim 1, characterized in that, The stacking fixture for the battery modules also includes a flipping support, which is disposed on the support base.

4. The stacking fixture for battery modules according to claim 3, characterized in that, The support base has an L-shaped mounting groove, and the flip support is mounted in the mounting groove; and / or The stacking fixture for the battery modules also includes an auxiliary support member, which is disposed on the flipping support member and is oriented toward the flipped cell assembly.

5. The stacking fixture for battery modules according to claim 1, characterized in that, The stacking fixture for the battery modules also includes a rotating shaft, a bearing plate, and a bearing; wherein the rotating shaft is fixedly connected to the support base; the bearing plate has a mounting hole, and the bearing is disposed in the mounting hole; the bearing plate is connected to the outer ring of the bearing, and the rotating shaft is connected to the inner ring of the bearing.

6. The stacking fixture for battery modules according to claim 5, characterized in that, The number of support bases is two, and the stacking direction of the battery cells is respectively set on the same side of both ends of the positioning and assembly mechanism; both ends of the rotating shaft are respectively installed on the two support bases, and both ends of the rotating shaft are equipped with the bearing and the bearing plate.

7. The stacking fixture for battery modules according to claim 1, characterized in that, The positioning and assembly mechanism includes a side support assembly, a toothed component, and a pressing component; wherein, the side support assembly forms an installation space and a top opening, and the installation space is used for stacking battery cells; The insert is disposed at the top opening of the side support assembly and is used to place the circuit board; the pressing member is pressed onto the top of the insert and the circuit board, the pressing member is detachably connected to the side support assembly and is used to fix the circuit board; the pressing member has an avoidance notch and is used to expose the circuit board.

8. The stacking fixture for battery modules according to claim 7, characterized in that, The positioning assembly mechanism further includes a tooth fixing member, wherein the pressing member has a groove, and the tooth fixing member is installed in the groove; the tooth fixing member has multiple limiting teeth, and the multiple limiting teeth are respectively inserted into multiple insertion holes of the corresponding tooth member; and / or The positioning assembly mechanism further includes a positioning component, which is detachably inserted into the side support assembly and the pressing component; and / or The pressing component and the side support assembly are detachably connected by a buckle.

9. The stacking fixture for battery modules according to claim 7, characterized in that, The positioning and assembly mechanism further includes a module base plate, a support member, a screw, a nut, a handle, and a pressure plate; wherein, the side support assembly and the support member are both disposed on the module base plate, and the support member is disposed outside the side support assembly; the support member has a mounting through hole, and the nut is installed in the mounting through hole of the support member; The screw is threadedly connected to the nut, and one end of the screw extends into the mounting space of the side support assembly and is connected to the pressure plate, which is used to apply pressure to the stacked cell assembly. The other end of the screw extends to the outside of the side support assembly and is connected to the handle.

10. The stacking fixture for battery modules according to claim 9, characterized in that, The side support assembly includes a first side plate, a second side plate, and an end plate; wherein the first side plate and the second side plate are respectively disposed on both sides of the end plate and are detachably connected to the end plate, and the three together form the installation space with a top opening; the pressing member is detachably connected to at least one of the first side plate, the second side plate, and the end plate. The bottom of the second side plate has a positioning protrusion, and the upper surface of the module base plate has an L-shaped positioning groove. A part of the L-shaped positioning groove is arranged along the stacking direction of the battery cells, and the other part of the L-shaped positioning groove is arranged along the stacking direction perpendicular to the battery cells and passes through one side of the module base plate. The positioning protrusion can slide into place along the L-shaped positioning groove.

11. The stacking fixture for battery modules according to any one of claims 1 to 10, characterized in that, The stacking fixture for the battery modules also includes an insulating base plate, and the tray connector is fixed to the insulating base plate.

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