CN206678087U - A pole piece die-cutting and stacking integrated equipment - Google Patents

Abstract

The utility model relates to an electricity core manufacturing technology field especially relates to an integrative equipment of pole piece cross cutting lamination, including anodal cross cutting feeding device and negative pole cross cutting feeding device, anodal cross cutting feeding device and negative pole cross cutting feeding device all include feeding mechanism and die cutting mechanism, anodal cross cutting feeding device's discharge end is connected with anodal transport mechanism, negative pole cross cutting feeding device's discharge end is connected with negative pole transport mechanism, anodal transport mechanism sets up with negative pole transport mechanism side by side, be provided with the lamination device between anodal transport mechanism and the negative pole transport mechanism, the both ends of lamination device are provided with anodal loading attachment and negative pole loading attachment respectively, the discharge end of lamination device has set gradually coiling apparatus according to technology order, rubberizing device and unloader colds pressing. The utility model discloses compact structure realizes cross cutting lamination integration, saves equipment area occupied, improves machining efficiency, reduces the circulation time between each process, improves resource utilization.

Description

A pole piece die-cutting and stacking integrated equipment

technical field

The utility model relates to the technical field of electric core manufacturing, in particular to an integrated die-cutting and stacking equipment for pole pieces.

Background technique

Lithium-ion battery is a new generation of green high-energy battery with excellent performance, and has become one of the focuses of high-tech development. Lithium-ion batteries have the following characteristics: high voltage, high capacity, low consumption, no memory effect, no pollution, small size, small internal resistance, less self-discharge, and more cycles. Because of the above-mentioned characteristics, lithium-ion batteries have been applied to many civilian and military fields such as mobile phones, notebook computers, video cameras, and digital cameras.

The cells of lithium-ion batteries are generally stacked, that is, they are stacked by positive plates, separators, and negative plates. Transfer the positive electrode and negative electrode from the material box to the positive lamination station and the negative lamination station, then pull the diaphragm under the positive electrode, press the positive electrode on one side of the diaphragm, and then pull the diaphragm to the negative electrode At the bottom, press the negative electrode sheet on the other side of the diaphragm, and reciprocate in turn until the positive electrode sheet and the negative electrode sheet of the preset number of layers are stacked on both sides of the diaphragm. After the lamination is completed, the electrode sheet is clamped by the winding manipulator and rotated continuously. , so that the diaphragm is wound outside the pole piece.

In the prior art, die-cut pole pieces are generally used for loading and stacking, so that the pole pieces need to be transported and placed in the loading device in advance, the equipment line is long, the feeding efficiency is low, the speed is slow, and Now it is generally used that two sets of grasping mechanisms correspond to one set of lamination mechanisms, and the resource utilization rate is low.

Utility model content

In order to solve the above problems, the utility model provides an integrated pole piece die-cutting and stacking equipment that can effectively improve processing efficiency, reduce floor space, and improve resource utilization.

The technical scheme adopted by the utility model is: an integrated equipment for die-cutting and stacking pole pieces, including a positive die-cutting feeding device and a negative die-cutting feeding device, the positive die-cutting feeding device and the negative die-cutting feeding device The devices all include a feeding mechanism and a die-cutting mechanism. The discharge end of the positive die-cutting and feeding device is connected to a positive conveying mechanism, and the discharging end of the negative die-cutting and conveying device is connected to a negative conveying mechanism. The mechanism and the negative electrode conveying mechanism are arranged side by side. A lamination device is arranged between the positive electrode conveying mechanism and the negative electrode conveying mechanism. The two ends of the lamination device are respectively provided with a positive electrode feeding device and a negative electrode feeding device. The discharge end is provided with a winding device, a cold pressing device and a feeding device in sequence according to the process sequence.

Preferably, a material pulling device is provided at the discharge end of the die-cutting mechanism.

Preferably, the stacking device includes a diaphragm unwinding mechanism and a stacking mechanism, and the stacking mechanism includes a stacking table and a moving guide rail, and the stacking table is slidably installed on the moving guide rail.

Preferably, the number of the lamination devices is at least one set.

Preferably, the winding device includes a film cutting mechanism, a first winding jaw mechanism, a second winding jaw mechanism, a driving mechanism and a slide rail, and the first winding jaw mechanism and the second winding jaw mechanism The jaw mechanism is symmetrically slidably installed on the slide rail. The first winding jaw mechanism and the second winding jaw mechanism are respectively connected with driving cylinders. The driving mechanism is connected with the first winding jaw mechanism and the second winding jaw mechanism. Claw mechanism transmission connection.

Preferably, a handling device is provided between the winding device and the cold-press gluing device, the handling device includes a linear guide rail and a handling jaw, and the handling jaw includes a mounting seat, a first side jaw and a second side jaw , the first side claw and the second side claw are movably installed on the mounting base, and the mounting base is connected with a rotary cylinder.

Preferably, the cold-press gluing device includes a cold-press mechanism and gluing mechanisms respectively arranged on both sides of the cold-press mechanism.

The beneficial effects of the utility model are:

An integrated die-cutting and stacking device for pole pieces, including a positive die-cutting and conveying device and a negative die-cutting and conveying device, both of which include a feeding mechanism and a die-cutting mechanism, and a positive die-cutting and conveying device. The discharge end of the cutting and conveying device is connected to the positive transmission mechanism, and the discharge end of the negative die-cutting and conveying device is connected to the negative transmission mechanism. The positive transmission mechanism and the negative transmission mechanism are arranged side by side, and the positive transmission mechanism and the negative transmission mechanism are arranged There is a lamination device, and the two ends of the lamination device are respectively equipped with a positive electrode feeding device and a negative electrode feeding device, and the discharge end of the lamination device is provided with a winding device, a cold pressing device and an unloading device in sequence. . The utility model has a compact structure, realizes the integration of die-cutting and stacking, saves equipment occupation area, improves processing efficiency, reduces the transfer time between various processes, and improves resource utilization.

Description of drawings

Fig. 1 is the three-dimensional structural diagram of the present utility model;

Fig. 2 is the three-dimensional structural diagram of the positive die-cutting feeding device and the pulling device of the utility model;

Fig. 3 is a three-dimensional structure diagram of the lamination device, the positive electrode feeding mechanism and the negative electrode feeding structure of the utility model;

Fig. 4 is a three-dimensional structural diagram of the winding device of the present invention;

Fig. 5 is a three-dimensional structure diagram of the winding device, the handling device, the cold-pressing gluing device and the blanking device of the utility model;

Fig. 6 is a three-dimensional structure diagram of the conveying device of the present invention.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings.

As shown in Figure 1, an integrated die-cutting and stacking device for pole pieces includes a positive die-cutting and conveying device 1 and a negative die-cutting and conveying device 2, and both the positive die-cutting and conveying device 1 and the negative die-cutting and conveying device 2 are Including a feeding mechanism 12 and a die-cutting mechanism 13, the discharge end of the positive die-cutting conveying device 1 is connected with a positive conveying mechanism 11, the discharging end of the negative die-cutting conveying device 2 is connected with a negative conveying mechanism 21, and the positive conveying mechanism 11 It is arranged side by side with the negative electrode conveying mechanism 21, and a lamination device 3 is arranged between the positive electrode conveying mechanism 11 and the negative electrode conveying mechanism 21. The two ends of the lamination device 3 are respectively provided with a positive electrode feeding device 4 and a negative electrode feeding device 5. The discharge end of the device 3 is provided with a winding device 6 , a cold-press gluing device 7 and an unloading device 8 in sequence according to the process sequence. The utility model has a compact structure, realizes the integration of die-cutting and stacking, saves equipment occupation area, improves processing efficiency, reduces the transfer time between various processes, and improves resource utilization.

As shown in FIG. 2 , the discharge end of the die-cutting mechanism 13 is provided with a pulling device 9 to improve the stability during the die-cutting process and improve the die-cutting quality of the pole piece.

As shown in Figure 3, the stacking device 3 includes a diaphragm unwinding mechanism 31 and a stacking mechanism 32, and the stacking mechanism 32 includes a stacking platform 311 and a moving guide rail 312, and the stacking platform 311 is slidably installed on the moving guide rail 312, and the structure is simple. The stacking platform 311 is moved back and forth on the moving guide rail 312 to facilitate stacking.

The number of stacking devices 3 is four groups, and multiple sets of stacking devices 3 can also be set according to different production requirements in production for stacking, which is convenient for modification and strong in adaptability.

As shown in Figure 4, the winding device 6 includes a film cutting mechanism 61, a first winding jaw mechanism 62, a second winding jaw mechanism 63, a drive mechanism 64 and a slide rail 65, and the first winding jaw mechanism 62 Slidingly installed on the slide rail 65 symmetrically with the second winding jaw mechanism 63, the first winding jaw mechanism 62 and the second winding jaw mechanism 63 are respectively connected with a driving cylinder 66, and the driving mechanism 64 is connected to the first winding jaw mechanism. The claw mechanism 62 and the second winding claw mechanism 63 are connected in transmission, and the first winding claw mechanism 62 and the second winding claw mechanism 63 clamp the pole piece at the same time for winding, the winding stability is high, and the first The winding jaw mechanism 62 and the second winding jaw mechanism 63 can move relatively on the slide rail 65, adjust the position according to the size of different pole pieces, facilitate the processing of different pole pieces, and further increase the scope of use.

As shown in Figures 5 and 6, a conveying device 10 is arranged between the winding device 6 and the cold-pressing gluing device 7, and the conveying device 10 includes a linear guide rail 101 and a conveying jaw 102, and the conveying jaw 102 includes a mounting base 1021, The first side claw 1022 and the second side claw 1023, the first side claw 1022 and the second side claw 1023 are movably installed on the mounting seat 1021, and the mounting seat 1021 is connected with a rotating cylinder 1024, which is convenient for the winding device 6 and the cold press glue The device 7 circulates and is convenient to move.

The cold-press gluing device 7 includes a cold-pressing mechanism 71 and a gluing mechanism 72 respectively arranged on both sides of the cold-pressing mechanism 71 , the cold-pressing and gluing efficiency is high, and the processing efficiency is further improved.

The working principle of the utility model is:

First, the positive electrode die-cutting and feeding device 1 and the negative electrode die-cutting and feeding device 2 respectively feed the pole piece coil material to the die-cutting mechanism 13 through the feeding mechanism 12, and the pulling mechanism also pulls the pole piece strip material, and the die-cutting mechanism 13 After die-cutting the pole piece strip material, the pole pieces are respectively conveyed by the positive electrode conveying mechanism 11 and the negative electrode conveying mechanism 21, and the positive electrode feeding device 4 and the negative electrode feeding device 5 are transferred from the positive electrode conveying mechanism 11 and the negative electrode conveying mechanism respectively. 21, the material is taken from the top, the diaphragm unwinding mechanism 31 unwinds the diaphragm to the stacking table 311, and the stacking table 311 moves to the corresponding position, and the positive electrode feeding device 4 or the negative electrode feeding device 5 stacks the pole piece on the stacking table 311, so reciprocating;

Then, when the lamination reaches the preset thickness, it moves to the winding device 6, and the winding device 6 winds the pole piece, and then transports it to the cold-press gluing mechanism 72 by the conveying device 10 for cold-press gluing, and passes through The blanking device 8 carries out blanking.

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (7)

1. A pole piece die-cutting and stacking integrated equipment is characterized in that it comprises a positive die-cutting feeding device (1) and a negative die-cutting feeding device (2), and the positive die-cutting feeding device (1) and Negative electrode die-cutting feeding device (2) all comprises feeding mechanism (12) and die-cutting mechanism (13), and the discharge end of described positive electrode die-cutting feeding device (1) is connected with positive electrode conveying mechanism (11), and described The discharge end of the negative electrode die-cutting conveying device (2) is connected with a negative electrode conveying mechanism (21), the positive electrode conveying mechanism (11) and the negative electrode conveying mechanism (21) are arranged side by side, and the positive electrode conveying mechanism (11) and the negative electrode A stacking device (3) is arranged between the conveying mechanism (21), and the two ends of the stacking device (3) are respectively provided with a positive electrode feeding device (4) and a negative electrode feeding device (5), and the stacking device ( 3) The discharge end is provided with a winding device (6), a cold-press gluing device (7) and an unloading device (8) in sequence according to the process sequence. 2. The pole piece die-cutting and stacking integrated equipment according to claim 1, characterized in that, the discharge end of the die-cutting mechanism (13) is provided with a pulling device (9). 3. A pole piece die-cutting and stacking integrated equipment according to claim 1, characterized in that, the stacking device (3) includes a diaphragm unwinding mechanism (31) and a stacking mechanism (32), and the stacking The lamination mechanism (31) includes a lamination platform (311) and a moving guide rail (312), and the lamination platform (311) is slidably installed on the movement guide rail (312). 4. The pole piece die-cutting and stacking integrated equipment according to claim 1, characterized in that the number of the stacking devices (3) is at least one set. 5. A pole piece die-cutting and stacking integrated equipment according to claim 1, characterized in that, the winding device (6) includes a film cutting mechanism (61), a first winding jaw mechanism (62), The second winding jaw mechanism (63), the driving mechanism (64) and the slide rail (65), the first winding jaw mechanism (62) and the second winding jaw mechanism (63) are symmetrically installed on the slide rail (65), the first winding jaw mechanism (62) and the second winding jaw mechanism (63) are respectively connected with a driving cylinder (66), and the driving mechanism (64) and the first winding jaw The claw mechanism (62) is in transmission connection with the second winding claw mechanism (61). 6. A pole piece die-cutting and stacking integrated equipment according to claim 1, characterized in that, a conveying device (10) is arranged between the winding device (6) and the cold-press gluing device (7), The handling device (10) includes a linear guide rail (101) and a handling jaw (102), and the handling jaw (102) includes a mounting seat (1021), a first side jaw (1022) and a second side jaw (1023) , the first side claw (1022) and the second side claw (1023) are movably installed on the mounting base (1021), and the mounting base (1021) is connected with a rotary cylinder (1024). 7. A pole piece die-cutting and stacking integrated equipment according to claim 1, characterized in that, the cold-press gluing device (7) includes a cold-press mechanism (71) and is respectively arranged on the cold-press mechanism (71) Gluing mechanism (72) on both sides.