Double-module stacking mechanism

Abstract

The utility model relates to the technical field of battery cell module stacking, in particular to a double-module stacking mechanism which comprises a first stacking assembly and a second stacking assembly, the first stacking assembly and the second stacking assembly respectively comprise a bottom plate and a front-back clamping device arranged on the bottom plate, and the front-back clamping device comprises a pair of check blocks. A battery cell placing plate fixed on the bottom plate is arranged between the baffle blocks, and a driving device for driving one baffle block to move back and forth is arranged on the bottom plate; displacement mechanisms which are close to each other are arranged between the first stacking assembly and the second stacking assembly. The whole stacking efficiency and the stacking accuracy can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery core module stacking, and specifically relates to a double-module stacking mechanism. Background Art

[0002] Batteries are important energy supply equipment for new energy. Existing production equipment uses traditional slide rails to stack battery cells into modules.

[0003] The existing dual-module stacking generally utilizes two mechanisms to stack single-row modules separately, and then merges the single-row modules to stack them into double-row modules. This operation is cumbersome and affects production capacity; and during the alignment and storage process, the battery cells often become misaligned. Utility Model Content

[0004] In order to solve the problem that the existing single-module stacking mechanism has low merging efficiency and cannot guarantee the accuracy in the process of merging and stacking battery cells, the utility model provides a dual-module stacking mechanism, which can improve the overall stacking efficiency and stacking accuracy.

[0005] The technical solution of the utility model is as follows:

[0006] A dual-module stacking mechanism, comprising a first stacking assembly and a second stacking assembly, wherein the first stacking assembly and the second stacking assembly each comprise a bottom plate and a front and rear clamping device disposed on the bottom plate, wherein the front and rear clamping device comprises a pair of stoppers, wherein a cell placement plate fixed to the bottom plate is provided between the stoppers, and a driving device for driving one of the stoppers to move forward and backward is provided on the bottom plate;

[0007] A displacement mechanism that brings the first stacking assembly closer to each other is provided between the first stacking assembly and the second stacking assembly.

[0008] Preferably, the driving device includes a bearing seat and a screw rod hingedly connected to the bearing seat, a longitudinal slide rail is fixed on the base plate, the longitudinal slide rail is slidably matched with a slider and a sliding seat, one end of the sliding seat is fixedly connected to the stop block, and the other end of the sliding seat is fixed with a threaded sleeve, the screw rod is threadedly connected to the threaded sleeve, the top of the slider is fixedly connected to the bearing seat, and the slider is locked on the longitudinal slide rail by bolts.

[0009] Preferably, a pressure sensor is provided on the top of the sliding seat.

[0010] Preferably, the screw rod is connected to a hand wheel, and the screw rod is driven to rotate by the hand wheel.

[0011] Preferably, a side baffle is further provided beside the battery cell placement plate, and a pair of quick clamping devices are provided at both ends of the outer side of the side baffle.

[0012] Preferably, a space for placing the battery cells is formed between the side baffles, the pair of baffles and the battery cell placement plate, and the space between the first stacking assembly and the second stacking assembly is connected.

[0013] Preferably, it also includes a workbench, which has a transversely arranged rack and a transverse slide rail, and a sliding block is arranged on the slide rail. The bottom of the bottom plate of the second stacking assembly is fixedly connected to the sliding block, and the displacement mechanism includes a gear arranged at the bottom of the bottom plate of the second stacking assembly and a reducer fixed to the top of the bottom plate of the second stacking assembly, and the rotating shaft of the reducer is fixedly connected to the gear, and the gear is meshed with the rack on the workbench.

[0014] Preferably, the workbench is arranged on a trolley.

[0015] Preferably, a quick clamping device is provided between the bottom plate of the first stacking assembly and the bottom plate of the second stacking assembly.

[0016] Preferably, the first stacking assembly and the second stacking assembly are on the same horizontal plane.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] (1) The dual-module stacking mechanism designed in the utility model manually places two rows of battery cells on the first stacking assembly and the second stacking assembly in turn. After completion, the two rows of battery cells are manually simply shaped to make them flat as a whole. Then, the front end hand wheel is driven to drive the front end screws on both sides to squeeze the sliding seat to squeeze the block, thereby completing the stacking of single-row modules on the front and rear sides. Then, the hot pressing film tooling is used to stick heating films on both sides of the single-row modules. After that, the second stacking assembly is moved toward the first stacking assembly by using gear racks to merge them, completing the stacking of the dual modules, which can improve the overall stacking efficiency and stacking accuracy.

[0019] (2) In the embodiment of the present invention, by designing quick clamping devices at both ends of the outer side of the side pressure plate, it is convenient to clamp the side pressure plate and perform lateral shaping on the battery cell. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the first stacking assembly of the utility model;

[0021] Figure 2 This is a schematic diagram of the overall structure of the second stacking assembly of the utility model;

[0022] Figure 3 It is a schematic diagram of the overall structure of the workbench of the utility model;

[0023] Figure 4 It is a schematic diagram of the overall structure of the utility model;

[0024] In the figure: 1-threaded sleeve; 2-screw rod; 3-bearing seat; 4-longitudinal slide rail; 5-slider; 6-pressure sensor; 7-sliding seat; 8-front block; 9-first quick clamping device; 10-side pressure plate; 11-battery cell placement plate; 12-second quick clamping device; 13-rear block; 14-bottom plate, 15-hand wheel; 16-quick clamping device A; 17-reducer; 18-third quick clamping device; 19-fourth quick clamping device; 20-quick clamping device B; 21-rotating wheel; 22-gear; 23-rack; 24-transverse slide rail; 25-workbench; 26-trolley; 27-first stacking assembly; 28-second stacking assembly. DETAILED DESCRIPTION

[0025] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] See also Figure 1-3 A dual-module stacking mechanism includes a first stacking assembly 27 and a second stacking assembly 28, each of which includes a bottom plate 14 and a front and rear clamping device disposed on the bottom plate 14, wherein the front and rear clamping device includes a pair of blocks, wherein a cell placement plate 11 fixed to the bottom plate 14 is provided between the blocks, and a driving device for driving one of the blocks to move forward and backward is provided on the bottom plate 14;

[0027] See also Figure 1 Specifically, a pair of blocks are a front block 8 and a rear block 13, the battery cell placement plate 11 is located between the front block 8 and the rear block 13, and the driving device drives the rear block 13 to move forward and backward.

[0028] A displacement mechanism is provided between the first stacking assembly 27 and the second stacking assembly 28 to bring them closer to each other.

[0029] See also Figure 1 In one embodiment of the utility model, the driving device includes a bearing seat 3, a screw rod 2 hingedly connected to the bearing seat 3, a longitudinal slide rail 5 is fixed on the bottom plate, and the longitudinal slide rail 5 is slidably matched with a slider 5 and a slide seat 7, one end of the slide seat 7 is fixedly connected to the block, and the other end of the slide seat 7 is fixed with a threaded sleeve 1, the screw rod 2 is threadedly connected to the threaded sleeve 1, the top of the slider 5 is fixedly connected to the bearing seat 3, and the slider is bolted to the longitudinal slide rail. When the slider is pre-installed, the front and rear distance is adjusted on the longitudinal slide rail. After completion, when working, the slider is bolted to the longitudinal slide rail.

[0030] See also Figure 1In one embodiment of the utility model, a pressure sensor 6 is provided on the top of the sliding seat 7, which can accurately control the pressure transmitted during the extrusion process.

[0031] See also Figure 1 In one embodiment of the utility model, the screw rod 2 is connected to a handwheel, and the screw rod 2 is driven to rotate by the handwheel, wherein the screw rod is connected to the handwheel via a reducer, and the reducer reduces the force used by the manual drive mechanism; or the screw rod 2 is driven to rotate by a motor for extension and retraction.

[0032] See also Figure 1 In one embodiment of the utility model, a side pressure plate 10 is further provided on the side of the battery cell placement plate 11, and a pair of quick clamping devices are provided at both ends of the outer side of the side pressure plate 10. The side pressure plate and the bottom plate are slidably matched, and the movable end of the quick clamping device is locked and extended to the outer side of the top side pressure plate, so that the side pressure plate is pressed against the side of the battery cell, and the side pressure plates of the first stacking assembly and the second stacking assembly are arranged facing each other to clamp the battery cell.

[0033] See also Figure 1 Specifically, the pair of quick clamping devices are a first quick clamping device 9 and a second quick clamping device 12, and the model of the quick clamping device is WDC36202-MSS.

[0034] On the basis of the previous embodiment, a space for placing the battery cells is formed between the side pressure plate 10 , a pair of stoppers and the battery cell placement plate 11 .

[0035] See also Figure 3-4 In one embodiment of the utility model, it also includes a workbench 25, the workbench 25 has a transversely arranged rack 23 and a transverse slide rail 24, the transverse slide rail 24 is provided with a sliding block, and the bottom of the bottom plate of the second stacking assembly 27 is fixedly connected to the sliding block; the displacement mechanism includes a gear 22 arranged at the bottom of the bottom plate of the second stacking assembly 28 and a reducer 17 fixed to the top of the bottom plate of the second stacking assembly 27, the rotating shaft of the reducer 17 is fixedly connected to the gear 22, and the gear 22 is meshed with the rack 23 on the workbench 25.

[0036] Furthermore, the workbench 25 is disposed on a cart 26.

[0037] See also Figure 2In one embodiment of the utility model, a quick clamping device is provided between the bottom plate of the first stacking assembly 27 and the bottom plate of the second stacking assembly 28. The quick clamping device includes a hook seat on one side and a hanging ring buckled into the hook seat on the other side. The quick clamping device is used to assist in locking the bottom plate of the first stacking assembly and the second stacking assembly after the reducer is in place to prevent loosening, so as to improve the clamping ability of the battery cell, realize rapid positioning between the first stacking assembly 27 and the second stacking assembly 28, and assist in merging the first stacking assembly 27 and the second stacking assembly 28 into a double-row module.

[0038] For details, see Figure 2 The quick clamping device has a pair, namely the quick clamping device A16 and the quick clamping device B20, and the model of the quick clamping device is GH-40323-SS.

[0039] In one embodiment of the present invention, the first stacking assembly 27 and the second stacking assembly 28 are on the same horizontal plane.

[0040] During operation, the battery cell is manually placed on the battery cell placement plate 11 with its back against the rear block 13, and then other battery cells are stacked in sequence behind the first battery cell, and this operation is repeated to complete the simple stacking of the double-row modules. The stacked modules are then manually shaped to form single-row modules on both sides and aligned with the side pressure plates 10. The hand wheel 15 is then manually turned to drive the screw rod to push forward, driving the sliding seat 7 installed on the longitudinal guide rail 5 to squeeze the front block 8 toward the rear end, and the stacking of the single-row battery cell modules at both ends is completed through the front block 8 and the rear block 13 at the front and rear ends and the side pressure plate 10. The screw rod 2 is used to transmit the force of the entire extrusion process, and the pressure sensor 6 can accurately display the magnitude of the extrusion force during the extrusion process to avoid excessive or insufficient extrusion force. After that, the side pressure plate 10 is pressed against the reference by using the first quick clamping device 9 and the second quick clamping device 12 to form a reference surface, and the hot pressing film in the middle of the module is manually pasted using the heating film tooling. This operation is repeated to paste the hot pressing film on the inner side of the module on the active end extrusion mechanism. Then, the reducer 17 is driven by rotating the rotating wheel 21 at the active end, thereby driving the gear 22 and rack 23 connected thereto to move toward the fixed end along the direction of the transverse slide rail 24. After closing, the first stacking assembly 27 and the second stacking assembly 28 are merged using the quick clamping device A16 and the quick clamping device B20, so that the single-row battery cell modules in the mechanism are also merged. Subsequently, the hot pressing film on both sides is pasted by pressing one end against the other end to remove the reference, and finally the extrusion mechanisms at the front and rear ends are evacuated, and the module end plates are installed to complete the stacking of the entire double-row battery cell modules.

[0041] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A dual-module stacking mechanism, characterized in that: The invention comprises a first stacking assembly and a second stacking assembly, each of which comprises a bottom plate and a front and rear clamping device arranged on the bottom plate, wherein the front and rear clamping device comprises a pair of stoppers, a cell placement plate fixed on the bottom plate is provided between the stoppers, and a driving device for driving one of the stoppers to move forward and backward is provided on the bottom plate; A displacement mechanism that brings the first stacking assembly closer to each other is provided between the first stacking assembly and the second stacking assembly.

2. A dual-module stacking mechanism according to claim 1, characterized in that: The driving devices all include a bearing seat and a screw rod hingedly connected to the bearing seat, a longitudinal slide rail is fixed to the bottom plate, the longitudinal slide rail is slidably matched with a slider and a sliding seat, one end of the sliding seat is fixedly connected to the block, and the other end of the sliding seat is fixedly connected to a threaded sleeve, the screw rod is threadedly connected to the threaded sleeve, the top of the slider is fixedly connected to the bearing seat, and the slider is locked on the longitudinal slide rail by bolts.

3. A dual-module stacking mechanism according to claim 2, characterized in that: A pressure sensor is arranged on the top of the sliding seat.

4. A dual-module stacking mechanism according to claim 2, characterized in that: The screw rod is connected with a hand wheel, and the screw rod is driven to rotate by the hand wheel.

5. A dual-module stacking mechanism according to claim 1, characterized in that: A side pressure plate is also arranged beside the battery cell placement plate, and a pair of quick pressing devices are arranged at both ends of the outer side of the side pressure plate.

6. A dual-module stacking mechanism according to claim 5, characterized in that: A space for placing the battery cells is formed between the side pressure plate, the pair of stoppers and the battery cell placement plate.

7. A dual-module stacking mechanism according to claim 1, characterized in that: It also includes a workbench, which has a transversely arranged rack and a transverse slide rail, and a sliding block is arranged on the slide rail. The bottom of the bottom plate of the second stacking assembly is fixedly connected to the sliding block. The displacement mechanism includes a gear arranged at the bottom of the bottom plate of the second stacking assembly and a reducer fixed to the top of the bottom plate of the second stacking assembly. The rotating shaft of the reducer is fixedly connected to the gear, and the gear is meshed with the rack on the workbench.

8. A dual module stacking mechanism according to claim 7, characterized in that , the workbench is arranged on a cart.

9. A dual-module stacking mechanism according to claim 1, characterized in that: A quick clamping device is provided between the bottom plate of the first stacking assembly and the bottom plate of the second stacking assembly.

10. The dual-module stacking mechanism according to claim 1, characterized in that: The first stacking assembly and the second stacking assembly are on the same horizontal plane.

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