Small lamination stacking machine

Abstract

The utility model provides a small-sized lamination machine, which comprises a working table, a mounting stand, a diaphragm feeding mechanism, a lamination mechanism, a clamping mechanism and a pole piece placing mechanism, an X-axis driving assembly is fixed on the mounting stand, a movable cross beam is fixed at the power output end of the X-axis driving assembly, a diaphragm guide roller is rotatably mounted in the middle of the movable cross beam, and the diaphragm guide roller is fixed on the working table. The upper end of the movable vertical frame is fixed to the middle of the movable cross beam, the two film outlet rollers are rotatably installed at the lower end of the movable vertical frame, the two film outlet rollers are arranged in the left-right direction, the Z-axis air cylinders are fixed to the left end and the right end of the movable cross beam, and the connecting blocks are fixed to the power output ends of the Z-axis air cylinders. And the adsorption head is fixed below the connecting block and corresponds to the upper part of the workbench. The lithium battery lamination machine has the advantages that the lamination process can be carried out on a small batch of laminated lithium batteries, the operation is simple, the efficiency is high, and the equipment cost can be saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lithium battery lamination equipment, in particular to a small laminating machine. BACKGROUND

[0002] Winding and laminating are the most core links of the middle section cell assembly process of lithium battery and are two different cell manufacturing processes. Winding is a production process of winding the matched size of the pole piece, diaphragm and terminal adhesive tape after slitting into a pole core. Laminating is a production process of alternately stacking the pole piece and diaphragm together to finally complete the multilayer laminated pole core. For laminated lithium battery, small batch production needs to be carried out in the early stage of batch production in order to be used for laboratory detection, or for some small batch orders. If it is produced on the batch production equipment, the debugging time is long, and the production efficiency is low. Therefore, it is necessary to manufacture a small laminating machine which can quickly carry out small batch laminating process to solve the above problems. SUMMARY

[0003] The utility model aims at providing a small laminating machine to solve the problems mentioned in the background art.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0005] A small laminating machine, comprising a workbench, a mounting stand, a diaphragm feeding mechanism, a laminating mechanism, a clamping mechanism and a pole piece placing mechanism, the lower end of the mounting stand is fixed on the workbench, the diaphragm feeding mechanism is fixed on the upper side of the mounting stand, the laminating mechanism is fixed on the lower side of the mounting stand, the laminating mechanism comprises an X-axis driving assembly, a movable cross beam, a movable stand, a film guide roller, a film outlet roller, a Z-axis cylinder, a connecting block and a suction head, the X-axis driving assembly is fixed on the mounting stand, the movable cross beam is fixed on the power output end of the X-axis driving assembly, the film guide roller is rotatably installed in the middle part of the movable cross beam, the film guide roller is provided with two groups along the left and right directions, the movable stand is fixed on the upper end of the movable cross beam in the middle part, the film outlet roller is rotatably installed on the lower end of the movable stand, the film outlet roller is provided with two groups along the left and right directions, the Z-axis cylinder is fixed on the left and right ends of the movable cross beam, the connecting block is fixed on the power output end of the Z-axis cylinder, the suction head is fixed below the connecting block and corresponds to the upper side of the workbench, the clamping mechanism is fixed in the middle part of the workbench, and the pole piece placing mechanism is provided with two groups and is respectively fixed on the left and right sides above the workbench.

[0006] Further description of the utility model: diaphragm material feeding mechanism includes fixed plate, material roll material feeding assembly, tension control assembly, material receiving clamping assembly and material belt discharge roller, fixed plate is fixed on installation stand upper side, material roll material feeding assembly is fixed on fixed plate, tension control assembly, material receiving clamping assembly and material belt discharge roller are all installed on fixed plate and correspond to the conveying downstream of material roll material feeding assembly in proper order, material belt discharge roller is rotatably installed on fixed plate, and material belt discharge roller is provided with two groups along left and right directions and corresponds to the top of membrane guide roller.

[0007] Further description of the utility model: clamping mechanism includes four groups of identical clamping devices, and the clamping device includes Y-axis drive assembly, lifting drive assembly, adjusting base and pressing plate, Y-axis drive assembly is fixed below the worktable, lifting drive assembly is fixed on the power output end of Y-axis drive assembly, adjusting base is fixed on the power output end of lifting drive assembly, the outside of pressing plate is fixed on adjusting base and can be adjusted in left and right direction position, and the front end of pressing plate corresponds to the top of worktable, and the middle part of worktable is provided with rectangular laminated area, and four pressing plates correspond to the four corners of laminated area.

[0008] Further description of the utility model: pole piece placing mechanism includes four groups of limiting blocks, and the four groups of limiting blocks are all fixed on the top of worktable and are enclosed into rectangular pole piece placing area on the inside, and the position of limiting block on worktable is adjustable.

[0009] The utility model discloses the beneficial effect is: before the equipment starts, first the positive and negative pole piece of stacking is placed on the pole piece placing mechanism of left and right sides respectively, and the diaphragm material roll is unwound through the diaphragm material feeding mechanism and sequentially passes between membrane guide roller and between membrane roller, and the end of diaphragm is clamped by clamping mechanism, then starts the equipment, X-axis drive assembly drives movable cross beam and movable stand to move to left, and the left side Z-axis cylinder drives adsorption head to drop, and the pole piece on the left side pole piece placing mechanism is sucked, then X-axis drive assembly drives movable cross beam to move to right, and makes membrane roller lay a layer of diaphragm on laminated position, and movable cross beam continues to move to right, and makes the left side adsorption head correspond to diaphragm, at this moment, two groups of adsorption heads all drop, and the left side adsorption head releases the pole piece on diaphragm, and the right side adsorption head sucks a pole piece on pole piece placing mechanism, then, clamping mechanism clamps the right side pole piece on laminated position, X-axis drive assembly drives movable cross beam to move to left, and similarly, lays a layer of diaphragm on laminated position reversely, and the right side adsorption head places the pole piece on diaphragm, and the left side adsorption head grabs pole piece, then clamping mechanism clamps the left side pole piece on laminated position, X-axis drive assembly drives movable cross beam to move to right, and thus repeats, so that the Z-shaped laminating procedure of lithium battery is carried out. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 is the overall structure diagram of the utility model;

[0011] Fig. 2 is the structure diagram of the diaphragm feeding mechanism in the utility model;

[0012] Fig. 3 is the structure diagram of the laminating mechanism in the utility model;

[0013] Fig. 4 is the structure diagram of the clamping mechanism in the utility model;

[0014] Mark explanation:

[0015] 1, workbench;2, install stand;3, diaphragm feeding mechanism;31, fixed plate;32, material roll feeding assembly;33, tension control assembly;34, material receiving and clamping assembly;35, material belt discharging roller;4, laminating mechanism;41, X-axis drive assembly;42, movable cross beam;43, movable stand;44, film guide roller;45, film discharging roller;46, Z-axis cylinder;47, connecting block;48, suction head;5, clamping mechanism;51, clamping device;511, Y-axis drive assembly;512, lifting drive assembly;513, adjusting base;514, pressing plate;6, pole piece placing mechanism;61, limiting block. Specific implementation

[0016] The utility model is further explained in connection with the drawings as follows:

[0017] As Figs. 1 to 4 shown, a small laminating machine, including workbench 1, install stand 2, diaphragm feeding mechanism 3, laminating mechanism 4, clamping mechanism 5 and pole piece placing mechanism 6, install stand 2's lower end is fixed on workbench 1, diaphragm feeding mechanism 3 is fixed on the upper side of install stand 2, laminating mechanism 4 is fixed on the lower side of install stand 2, laminating mechanism 4 includes X-axis drive assembly 41, movable cross beam 42, movable stand 43, film guide roller 44, film discharging roller 45, Z-axis cylinder 46, connecting block 47 and suction head 48, X-axis drive assembly 41 is fixed on install stand 2, movable cross beam 42 is fixed on the power output end of X-axis drive assembly 41, film guide roller 44 is rotatably installed in the middle part of movable cross beam 42, and film guide roller 44 is provided with two groups along the left and right directions, movable stand 43 upper end is fixed in the middle part of movable cross beam 42, film discharging roller 45 is rotatably installed in the lower end of movable stand 43, and film discharging roller 45 is provided with two groups along the left and right directions, Z-axis cylinder 46 is fixed on the left and right ends of movable cross beam 42, connecting block 47 is fixed on the power output end of Z-axis cylinder 46, suction head 48 is fixed below connecting block 47 and corresponds to the upper side of workbench 1, clamping mechanism 5 is fixed in the middle part of workbench 1, and pole piece placing mechanism 6 is provided with two groups and is fixed on the left and right sides above workbench 1.

[0018] Before the device starts, the stacked positive and negative electrode sheets are placed on the electrode sheet placing mechanisms 6 on the left and right sides respectively, the diaphragm roll is unwound through the diaphragm unwinding mechanism 3 and sequentially passes between the diaphragm guide rollers 44 and between the diaphragm exit rollers 45, the end of the diaphragm is clamped by the clamping mechanism 5, then the device is started, the X-axis drive assembly 41 drives the movable cross beam 42 and the movable stand 43 to move to the left, the left Z-axis cylinder 46 drives the suction head 48 to descend, and a sheet of electrode sheet is sucked on the left electrode sheet placing mechanism 6, then the X-axis drive assembly 41 drives the movable cross beam 42 to move to the right, so that the diaphragm exit rollers 45 lay a layer of diaphragm on the sheet stacking station, and the movable cross beam 42 continues to move to the right, so that the left suction head 48 corresponds to the diaphragm, at this time, both groups of suction heads 48 descend, the left suction head 48 releases the electrode sheet on the diaphragm, and the right suction head 48 sucks a sheet of electrode sheet on the electrode sheet placing mechanism 6, then the clamping mechanism 5 clamps the right side of the electrode sheet on the sheet stacking station, the X-axis drive assembly 41 drives the movable cross beam 42 to move to the left, and the diaphragm is laid reversely on the sheet stacking station, the right suction head 48 places the electrode sheet on the diaphragm, the left suction head 48 grabs the electrode sheet, then the clamping mechanism 5 clamps the left side of the electrode sheet on the sheet stacking station, the X-axis drive assembly 41 drives the movable cross beam 42 to move to the right, and the process is repeated, so as to carry out the Z-shaped sheet stacking process of the lithium battery. The advantage of the design is that it can carry out the sheet stacking process for small-batch sheet stacking lithium batteries, the operation is simple, the efficiency is high, and the equipment cost can be saved.

[0019] The diaphragm unwinding mechanism 3 comprises a fixed plate 31, a roll unwinding assembly 32, a tension control assembly 33, a material clamping assembly 34 and a material belt exit roller 35, the fixed plate 31 is fixed on the upper side of the mounting stand 2, the roll unwinding assembly 32 is fixed on the fixed plate 31, the tension control assembly 33, the material clamping assembly 34 and the material belt exit roller 35 are all installed on the fixed plate 31 and correspond to the downstream conveying of the roll unwinding assembly 32 in sequence, the material belt exit roller 35 is rotatably installed on the fixed plate 31, and the material belt exit roller 35 is provided with two groups in the left-right direction and corresponds to the upper side of the diaphragm guide roller 44.

[0020] The diaphragm roll is unwound on the roll unwinding assembly 32, the diaphragm belt passes between the two groups of material belt exit rollers 35 after passing through the tension control assembly 33 and the material clamping assembly 34 in sequence, and is conveyed to the sheet stacking mechanism 4, when the roll is about to be used up, the material clamping assembly 34 clamps the material belt, so as to facilitate the material clamping with the end of a new roll.

[0021] The clamping mechanism 5 comprises four groups of clamping devices 51 which are identical in structure, and each clamping device 51 comprises a Y-axis driving assembly 511, a lifting driving assembly 512, an adjusting base 513 and a pressing plate 514.

[0022] After the diaphragm covers the laminated area on the left and places the pole piece, the Y-axis driving assembly 511 on the left drives the pressing plate 514 to exit outward, then the lifting driving assembly 512 drives the pressing plate 514 upward, the Y-axis driving assembly 511 drives the pressing plate 514 to reset inward, and then the lifting driving assembly 512 drives the pressing plate 514 to press the left side of the pole piece downward, so that the diaphragm can run reversely and cover the laminated area.

[0023] The pole piece placing mechanism 6 comprises four groups of limiting blocks 61, and each group of limiting blocks 61 is fixed above the workbench 1 and encloses a rectangular pole piece placing area on the inner side, and the limiting block 61 is adjustable in position on the workbench 1.

[0024] The vertically stacked pole pieces are placed in the pole piece placing area, and according to pole pieces of different sizes, the position of the limiting block 61 can be adjusted to adjust the size of the pole piece placing area.

[0025] The above is not any limitation on the technical range of the utility model, and any modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model still belong to the range of the technical scheme of the utility model.

Claims

1. A compact lamination press characterized by: The application relates to a separator winding device, which comprises a workbench, a mounting stand, a separator unwinding mechanism, a laminated sheet mechanism, a clamping mechanism and a pole sheet placing mechanism, the lower end of the mounting stand is fixed on the workbench, the separator unwinding mechanism is fixed on the upper side of the mounting stand, the laminated sheet mechanism is fixed on the lower side of the mounting stand, the laminated sheet mechanism comprises an X-axis driving assembly, a movable cross beam, a movable stand, a film guide roller, a film outlet roller, a Z-axis cylinder, a connecting block and a suction head, the X-axis driving assembly is fixed on the mounting stand, the movable cross beam is fixed on the power output end of the X-axis driving assembly, the film guide roller is rotatably installed in the middle part of the movable cross beam, two groups of the film guide roller are arranged along the left-right direction, the upper end of the movable stand is fixed in the middle part of the movable cross beam, the film outlet roller is rotatably installed in the lower end of the movable stand, two groups of the film outlet roller are arranged along the left-right direction, the Z-axis cylinder is fixed on the left and right ends of the movable cross beam, the connecting block is fixed on the power output end of the Z-axis cylinder, the suction head is fixed below the connecting block and corresponds to the upper side of the workbench, the clamping mechanism is fixed in the middle part of the workbench, and two groups of the pole sheet placing mechanism are arranged on the left and right sides above the workbench and are fixed respectively.

2. A compact laminating machine according to claim 1, characterized in that: The separator unwinding mechanism comprises a fixed plate, a roll unwinding assembly, a tension control assembly, a receiving and clamping assembly and a material belt outlet roller, the fixed plate is fixed on the upper side of the mounting stand, the roll unwinding assembly is fixed on the fixed plate, the tension control assembly, the receiving and clamping assembly and the material belt outlet roller are all installed on the fixed plate and correspond to the conveying downstream of the roll unwinding assembly in sequence, the material belt outlet roller is rotatably installed on the fixed plate, and two groups of the material belt outlet roller are arranged along the left-right direction and correspond to the upper side of the film guide roller.

3. A compact laminating machine according to claim 1, characterized in that: The clamping mechanism comprises four groups of clamping devices with the same structure, the clamping device comprises a Y-axis driving assembly, a lifting driving assembly, an adjusting base and a pressing plate, the Y-axis driving assembly is fixed below the workbench, the lifting driving assembly is fixed on the power output end of the Y-axis driving assembly, the adjusting base is fixed on the power output end of the lifting driving assembly, the outer side of the pressing plate is fixed on the adjusting base and can be adjusted in position along the left-right direction, the front end of the pressing plate corresponds to the upper side of the workbench, the middle part of the workbench is provided with a rectangular laminated sheet area, and four groups of the pressing plates correspond to the four corners of the laminated sheet area.

4. A compact laminating machine according to claim 1, characterized in that: The pole sheet placing mechanism comprises four groups of limiting blocks, four groups of the limiting blocks are all fixed above the workbench and enclose a rectangular pole sheet placing area on the inner side, and the limiting blocks can be adjusted in position on the workbench.

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