Battery pole piece assembling equipment

Abstract

Battery pole piece assembling equipment comprises a conveying device, a first feeding device, a feeding mechanical arm, a second feeding device, a third feeding device, a turnover device, a fourth feeding device and a hot pressing device. The bottom plate is arranged on the three-axis linear module and is driven by the three-axis linear module to reciprocate in the X-axis direction, the Y-axis direction and the Z-axis direction, and a plurality of suction holes communicated with an external air source are formed in the bottom plate; the pressing roller is located beside the bottom plate, arranged on the three-axis linear module and driven by the three-axis linear module to move in a reciprocating mode in the X-axis direction, the Y-axis direction and the Z-axis direction. In the assembling process of the first sheet and the second sheet, the first sheet and the second sheet can be pressed in advance, so that the first sheet and the second sheet are firmly and compactly connected with each other, and the assembling efficiency of the first sheet and the second sheet is improved. And enough strength and reliability of the pole piece are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pole piece production, in particular to battery pole piece assembly equipment. Background Art

[0002] With the continuous advancement of science and technology, new energy is also developing rapidly and is being used more and more widely. As an important component of the new energy industry, energy storage batteries have a multi-layer sheet structure, such as Figure 1 As shown, it includes a CCM diaphragm, polyester frames for clamping it are located on both sides thereof, and a diffusion layer is mounted on the outer sides of the two polyester frames. During the production process, the multi-layer sheets need to be stacked and bonded to each other, and then formed by hot pressing. The current processing method is to stack the above-mentioned multi-layer sheets in sequence, and then perform hot pressing molding. However, due to the large number of layers and thin structure, in the process of stacking the multi-layer sheets, after stacking them into pole pieces, the gaps between the layers of sheets are large, the pole pieces are relatively fluffy, and the effect is poor. Moreover, it is difficult to ensure that the polyester frame and the CCM diaphragm can be reliably connected by uniformly hot pressing all the sheets in the final process. Therefore, there is an urgent need for a method that can automatically assemble and produce multi-layer sheet-like battery pole pieces to solve the above situation. Summary of the invention

[0003] The utility model aims to provide a battery pole piece assembly device, which can pre-press and shape each layer of the battery pole piece in advance during the process of assembling and producing the battery pole piece, so that the layers of the battery pole piece can be stacked tightly and securely.

[0004] The technical solution adopted by a battery pole piece assembly device provided in an embodiment of the utility model is as follows:

[0005] A battery electrode assembly device, comprising a conveying device equipped with a jig and conveying the jig in a predetermined direction, wherein a first feeding device for conveying a first sheet, a feeding robot for grabbing the first sheet and transferring it to the jig, a second feeding device for storing a second sheet and stacking the second sheet on the first sheet after grabbing it, a third feeding device for storing a third sheet and stacking the third sheet on the jig again after grabbing it, a turning device for grabbing and turning over the first, second and third sheets stacked on each other, a fourth feeding device for storing a fourth sheet and stacking the fourth sheet on the back of the first sheet, and a hot pressing device for hot pressing the first, second, third and fourth sheets stacked on each other, characterized in that the feeding robot comprises:

[0006] Three-axis linear module;

[0007] A bottom plate, the bottom plate is arranged on the three-axis linear module and is driven by the three-axis linear module to reciprocate along the X, Y and Z axis directions, and a plurality of suction holes interconnected with an external air source are arranged on the bottom plate;

[0008] The pressing roller is located beside the bottom plate and is arranged on the three-axis linear module. The pressing roller is driven by the three-axis linear module to reciprocate along the X, Y and Z axis directions.

[0009] Furthermore, the three-axis linear module is provided with a first cylinder, and drives the first cylinder to reciprocate along the X, Y, and Z axis directions. A mounting frame is fixedly connected to the piston rod of the first cylinder that extends downward, and both ends of the pressure roller are rotatably connected to the mounting frame.

[0010] Furthermore, a first motor is fixedly mounted on the three-axis linear module, and an output shaft of the first motor is fixedly connected to the base plate and drives the base plate to rotate along the axis of the output shaft of the first motor.

[0011] Furthermore, the flipping device comprises:

[0012] A grabbing mechanism, used for grabbing the first sheet, the second sheet, and the third sheet stacked on each other, comprising a suction plate suspended above the conveying device and reciprocating in the vertical direction;

[0013] A turning mechanism, wherein the turning mechanism and the grabbing mechanism are arranged side by side with each other, and comprises

[0014] The frame is slidably connected to the table of the conveying device along the conveying direction, and includes two vertical plates respectively located on both sides of the fixture,

[0015] The second cylinder is fixedly mounted on the table of the conveying device and connected to the frame to drive the frame to reciprocate along the conveying direction.

[0016] The flip plate has two sides connected to the vertical plate by sliding blocks in a vertical direction, and the two ends of the flip plate are rotatably connected to the sliders, and a plurality of adsorption holes connected to an external air source are provided on the top surface of the flip plate.

[0017] The second motor is fixedly mounted on any one of the sliders and is drivingly connected to the rotating shaft of the flip plate to drive the flip plate to flip along the axis.

[0018] The third cylinder is fixedly mounted on the frame, and the piston rod of the third cylinder is fixedly connected to the slider to drive the slider to reciprocate in the up-and-down direction.

[0019] Furthermore, the gripping mechanism also includes a frame spanning across the jig, the suction plate is slidably connected to the frame in a vertical direction, and a lifting drive device connected to the suction plate is fixedly installed on the frame for driving the suction plate to reciprocate in the vertical direction.

[0020] Furthermore, the third feeding device and the fourth feeding device also include a glue dispensing mechanism for dripping glue on the sheet on the fixture, which includes a glue dispensing head and a glue dispensing linear module that drives the glue dispensing head to reciprocate along the X, Y, and Z axis directions.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] A battery pole piece assembly device provided in this embodiment can automatically complete the assembly of battery pole pieces, and in the process of assembling the CCM diaphragm and the polyester frame, that is, in the process of assembling the first sheet and the second sheet, pre-pressing can be performed so that the CCM diaphragm and the polyester frame are firmly and tightly connected to each other, ensuring that the pole piece has sufficient strength and reliability. At the same time, the stacked sheets are flipped by a flipping device to facilitate the stacking of the fourth sheet. Finally, all the sheets placed against each other are hot-pressed by a hot pressing device. The assembly processing of this equipment can pre-press the first sheet and the second sheet, ensuring that the installation of the CCM diaphragm and the two polyester frames is more firm and reliable, thereby ensuring the performance of the battery pole piece.

[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation modes. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the battery pole piece involved in the utility model.

[0025] Figure 2 It is a structural schematic diagram of the utility model.

[0026] Figure 3 This is a schematic diagram of the structure of the feeding manipulator in the utility model. Figure 1 .

[0027] Figure 4 This is a schematic diagram of the structure of the feeding manipulator in the utility model. Figure 2 .

[0028] Figure 5 It is a structural schematic diagram of the third feeding device in the utility model.

[0029] Figure 6 It is a structural schematic diagram of the glue dispensing mechanism in the utility model.

[0030] Figure 7It is a structural schematic diagram of the turning device in the utility model. DETAILED DESCRIPTION

[0031] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0032] It should be noted that in the embodiments of the present utility model, all directional indications (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, the descriptions of “first”, “second”, etc. in the embodiments of the present invention are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features.

[0034] The present invention will be described below in conjunction with specific implementation methods.

[0035] The utility model provides a battery pole piece assembly device, such as Figure 1 The figure shows the battery pole piece involved in the utility model, which is composed of five layers of sheets bonded to each other, wherein the second sheet 2 is a CCM membrane, and the first sheets 1 are respectively attached to the two side surfaces of the second sheet 2, and the two first sheets 1 are polyester frames, and at the same time, the third sheet 3 and the fourth sheet 4 are respectively attached to the outer side surfaces of the two first sheets 1, wherein the third sheet 3 and the fourth sheet 4 are the same diffusion layers, and after the above five layers of sheets are stacked and bonded to each other, a battery pole piece is formed.

[0036] A battery pole piece assembly device provided in an embodiment of the utility model is used to stack the above-mentioned five layers of sheets on each other to form battery pole pieces, and during the assembly process, the two first sheets 1 and the second sheets 2 are pre-pressed so that the two first sheets 1 and the second sheets 2 are stacked tightly on each other.

[0037] like Figure 2-7As shown, a battery electrode sheet assembly device provided by an embodiment of the utility model includes a conveying device 100, a first feeding device 200, a feeding robot 300, a second feeding device 400, a third feeding device 500, a flipping device 600, a fourth feeding device 700 and a hot pressing device 800, wherein in this embodiment, the conveying device 100 is a track conveyor line as an example, and a fixture 101 for carrying sheets is loaded on the conveying track. The fixture 101 moves along a predetermined direction under the drive of the conveying device 100, and the first feeding device 200, the feeding robot 300, the second feeding device 400, the third feeding device 500, the flipping device 600, the fourth feeding device 700 and the hot pressing device 800 are respectively arranged in sequence along the conveying direction of the conveying device 100, as shown in FIG. Figure 1 The first feeding device 200 is arranged at the end of the conveying device 100, and is used to store the first sheet 1 and convey the first sheet 1 toward the conveying device 100. The feeding robot 300 is located at the downstream side of the first feeding device 200, and is used to grab the first sheet 1 and transfer it to the fixture 101. The second feeding device 400 is used to store the second sheet 2 and grab the second sheet 2 and stack it on the first sheet 1 located on the fixture 101. Similarly, the third feeding device 500 is used to store the third sheet 3 and grab the third sheet 3 and then transfer it to the fixture 101 again. The stacking device 600 is used to grab and flip the multi-layer sheets stacked on the jig 101, that is, grab the first sheet 1, the second sheet 2, and the third sheet 3 stacked on each other and flip them so that the back of the first sheet 1 faces upward. The fourth feeding device 700 is used to store the fourth sheet 4 and grab the fourth sheet 4 on the back of the first sheet 1 in the direction after the fourth sheet 4 is grabbed. The hot pressing device 800 is used to hot press the multi-layer sheets stacked on the jig 101 so that the multi-layer sheets are bonded tightly to form a solid whole. Figure 3-4 The figure is a schematic diagram of the structure of the loading robot 300. As shown in the figure, the loading robot 300 includes a three-axis linear module 310, on which a base plate 320 is installed. The base plate 320 reciprocates along the X, Y, and Z axes under the drive of the three-axis linear module 310. At the same time, a plurality of suction holes (not shown in the figure) interconnected with an external air source are opened on the base plate 320. When the air source is sucked, a negative pressure is formed at the bottom of the base plate 320, so as to suck the first sheet 1 and transfer the first sheet 1 to the fixture 101. At the same time, a pressure roller 322 is arranged on the side of the base plate 320, which can reciprocate along the X, Y, and Z axes under the drive of the three-axis linear module 310.

[0038] During the assembly process, due to the requirements of the production process, it is necessary to first mount the first sheet 1 on both sides of the second sheet 2. During the production process of the assembly equipment provided in this embodiment, the loading robot 300 first absorbs the first sheet 1 on the first loading device 200 and then transfers it to the jig 101. Then, the second loading device 400 stacks the second sheet 2 on the first sheet 1. Finally, the loading robot 300 again absorbs the first sheet 1 on the first loading device 200 and stacks it on the second sheet 2, thereby completing the production requirements; then, the pressure roller 322 is driven by the three-axis linear module 310 to move to the top of the jig 101, and the pressure roller 322 rolls the three-layer sheet stacked on the jig 101, so that the stacked first sheet 1 and the second sheet 2 are stacked tightly, that is, the CCM diaphragm can be clamped by the two polyester frames and firmly installed in the two polyester frames to ensure sufficient strength and the performance of the battery electrode.

[0039] In this embodiment, a first cylinder 323 is fixedly arranged on the three-axis linear module 310. The first cylinder 323 reciprocates along the X, Y, and Z axes under the drive of the three-axis linear module 310. At the same time, a mounting frame 324 is fixedly connected to the piston rod extending downward from the first cylinder 323, so that the two ends of the pressure roller 322 are rotatably connected to the mounting frame 324.

[0040] During the assembly process, the first cylinder 323 can drive the pressure roller 322 to move back and forth in the vertical direction, so that it can avoid the bottom plate 320 when the bottom plate 320 is transporting the first sheet 1, avoiding interference with the transport of the first sheet 1. At the same time, when it is necessary to roll the sheets stacked on the jig 101, the first cylinder 323 drives the pressure roller 322 downward so that it is located below the bottom plate 320, which can more conveniently roll the sheets on the jig 101.

[0041] In this embodiment, a first motor 325 is fixedly mounted on the three-axis linear module 310, and its output shaft is fixedly connected to the bottom plate 320, and is used to drive the bottom plate 320 to rotate along the axis of the output shaft of the first motor 325. During the assembly process, since it is necessary to stack a first sheet 1 again on the second sheet 2, the accuracy of stacking needs to be ensured during the stacking process. Therefore, after the bottom plate 320 absorbs the first sheet 1, the position of the sheet needs to be fine-tuned so that it can be accurately stacked on the second sheet 2. The four-axis mechanism formed by the first motor 325 and the three-axis linear module 310 can accurately stack the first sheet 1 on the second sheet 2. It can be imagined that the device is also provided with a CCD visual detection device to detect the position information of the bottom plate 320 absorbing the first sheet 1. The visual detection device is electrically connected to the control system of the device, so that the control system can send a driving signal to the feeding robot 300 according to the detection information of the visual detection device.

[0042] During the assembly process of the battery electrode sheets, after the loading robot 300 and the second loading device 400 stack and compact two first sheets 1 and a second sheet 2, the third loading device 500 stacks the third sheet 3 on the first sheet 1. In this embodiment, the third sheet 3 is a diffusion layer; at this time, the fourth sheet 4 needs to be stacked on the back of another first sheet 1, so the first sheet 1, the second sheet 2, and the third sheet 3 that have been stacked on each other need to be flipped over, so that the first sheet 1 at the bottom layer is flipped to the top layer, to facilitate the stacking of the fourth sheet 4.

[0043] In this embodiment, the flipping device 600 is used to grab the first sheet 1, the second sheet 2 and the third sheet 3 stacked on the fixture 101 and flip them over. Figure 7As shown, the flipping device 600 includes a gripping mechanism 610 for grabbing a plurality of sheets stacked on the jig 101 and a flipping mechanism 620 for flipping the grasped sheets, wherein the gripping mechanism 610 includes a suction plate 611 for sucking a plurality of sheets stacked on the jig 101; the flipping mechanism 620 and the gripping mechanism 610 are arranged side by side with each other, and include a frame 621 slidably connected to the table of the conveying device 100 along the conveying direction, the frame 621 includes two vertical plates 622 respectively on both sides of the transfer jig 101, and a second cylinder 623 connected to the frame 621 is fixedly installed on the table of the conveying device 100, and the frame 621 reciprocates along the conveying direction under the drive of the second cylinder 623, and moves between the two vertical plates A flip plate 624 is arranged on 622, wherein the two ends of the flip plate 624 are respectively connected to the two vertical plates 622 in a sliding direction through sliders 628, and the two ends of the flip plate 624 are respectively connected to the sliders 628 for rotation. A plurality of adsorption holes 625 which are interconnected with an external air source are arranged on the flip plate 624, so that when the air source is evacuated, a negative pressure is formed on the surface of the flip plate 624 to adsorb the sheet. A second motor 626 is also fixedly installed on any one of the sliders 628, which is connected to the rotating shaft of the flip plate 624 for driving the flip plate 624 to flip along the axis of the rotating shaft. At the same time, at least one third cylinder 627 is fixedly installed on the frame 621, and its piston rod is fixedly connected to the slider 628, so as to drive the slider 628 and drive the flip plate 624 to reciprocate in the vertical direction.

[0044] When the first sheet 1, the second sheet 2, and the third sheet 3 stacked on the jig 101 are turned over, the turning mechanism 620, driven by the second cylinder 623, moves the turning plate 624 away from the suction disc 611 so as not to interfere with the suction disc 611 sucking the multiple sheets stacked on the jig 101. After the suction disc 611 sucks the multiple sheets, the second cylinder 623 moves the frame 621 and drives the turning plate 624 to the bottom of the suction disc 611, so that the turning plate 624 can receive the suction disc 611. The multiple sheets sucked are sucked by an external air source, so that the multiple sheets are adsorbed on the flip plate 624, and the flip plate 624 is flipped under the drive of the second motor 626, and then the flip plate 624 is moved downward under the drive of the third cylinder 627 until it moves to the position corresponding to the jig 101, and the multi-layer sheets on the flip plate 624 are placed on the jig 101. At this time, the multi-layer sheets stacked on each other are flipped, so that the first sheet 1 previously located at the bottom layer is flipped to the top layer.

[0045] In this embodiment, the grabbing mechanism 610 includes a frame 612 spanning the jig 101, and the two mothers-in-law are slidably connected to the frame 612 in the vertical direction. At the same time, a lifting drive device 613 connected to a suction plate 611 is fixedly installed on the frame 612, which is used to drive the suction plate 611 to reciprocate in the vertical direction to facilitate the suction of the multi-layer sheet on the jig 101. In this embodiment, the lifting drive device 613 is a motor and a ball screw connected to the motor, and the nut is fixedly connected to the suction plate 611, so that the suction plate 611 is driven to reciprocate in the vertical direction on the motor drive screw.

[0046] In this embodiment, in order to ensure that the third sheet 3 and the fourth sheet 4 can be tightly connected to the sheet below when stacked, a glue dispenser 510 is provided on the third feeding device 500 and the fourth feeding device 700 to dispense glue on the sheet on the fixture 101. Figure 5-6 As shown, the third loading device and the fourth loading device both include a silo 410 for storing the third sheet material and the fourth sheet material, and a loading module for grabbing and transporting the sheets. In this embodiment, the loading module 420 is a three-axis module and a suction plate as an example. The glue dispensing mechanism 510 includes a glue dispensing head 511 and a glue dispensing linear module 512 for driving the glue dispensing head 511 to reciprocate along the three-axis directions of X, Y, and Z. Taking the third loading device 500 as an example, when it is necessary to stack the third sheet material 3 on the first sheet material 1, the glue dispensing module performs glue dispensing on the first sheet material 1 located on the fixture 101 in advance, and stacks the third sheet material 3 on the first sheet material 1 again, so that the third sheet material 3 is firmly stacked on the first sheet material 1.

[0047] The production process of a battery electrode assembly device provided by the embodiment of the utility model is as follows:

[0048] The first loading device 200 transports the first sheet 1 toward the conveying device 100, the loading robot 300 absorbs the transported first sheet 1 and transfers it to the fixture 101 located on the conveying device 100, the second loading device 400 grabs the second sheet 2 and stacks it on the first sheet 1, then, the loading robot 300 again absorbs the first sheet 1 transported by the first loading device 200 and stacks it on the second sheet 2, the first cylinder 323 drives the pressure roller 322 downward so that the pressure roller 322 is located below the bottom plate 320, and under the drive of the three-axis linear module 310, the two first sheets 1 and the second sheet 2 stacked on the fixture 101 are rolled and compacted, so that the second sheet 2 is firmly held by the two first sheets 1, thereby ensuring that the CCM diaphragm is firmly clamped in the two polyester frames. It can be imagined that the polyester frame has a groove that is compatible with the CCM diaphragm, and the two polyester frames are provided with grooves that are compatible with the CCM diaphragm. After the ester frame clamps the CCM diaphragm, the CCM diaphragm is embedded in the slot; before the third sheet 3 is stacked, the glue dispensing mechanism 510 located on the third feeding device 500 pre-drip glue on the surface of the first sheet 1, and then the third sheet 3 is stacked on the first sheet 1. The viscosity of the glue makes the third sheet 3 and the first sheet 1 connected to each other. After the flipping device 600 attracts the first sheet 1, the second sheet 2 and the third sheet 3 that have been stacked and connected, the flip plate 624 flips them, so that the first sheet 1 located at the bottom is flipped to the top, so as to facilitate the stacking of the fourth sheet 4. The stacking process of the fourth sheet 4 is the same as that of the third sheet 3, which will not be repeated here; at this point, the stacking assembly of the battery pole pieces has been completed, and the jig 101 is moved to the hot pressing device 800 under the transportation of the conveying device 100, and the multiple sheets stacked on each other are hot-pressed to form a tightly connected whole.

[0049] A battery pole piece assembly device provided in this embodiment can automatically complete the assembly of battery pole pieces, and in the process of assembling the CCM diaphragm and the polyester frame, that is, in the process of assembling the first sheet 1 and the second sheet 2, it can be pre-pressed so that the CCM diaphragm and the polyester frame are firmly and tightly connected to each other, ensuring that the pole piece has sufficient strength and reliability. At the same time, the stacked sheets are flipped by the flipping device 600 to facilitate the stacking of the fourth sheet 4. Finally, all the sheets placed against each other are hot-pressed by the hot pressing device 800. The assembly processing of this equipment can pre-press the first sheet 1 and the second sheet 2, ensuring that the installation of the CCM diaphragm and the two polyester frames is more firm and reliable, thereby ensuring the performance of the battery pole piece.

[0050] For those skilled in the art, various other corresponding changes and deformations can be obtained according to the structure and principle disclosed by the utility model, and all of these changes and deformations belong to the protection scope of the utility model.

Claims

1. A battery electrode assembly device, comprising a conveying device equipped with a jig and conveying the jig in a predetermined direction, wherein a first loading device for conveying a first sheet, a loading robot for grabbing the first sheet and transferring it to the jig, a second loading device for storing a second sheet and grabbing the second sheet and stacking it on the first sheet, a third loading device for storing a third sheet and grabbing the third sheet and stacking it on the jig again, a turning device for grabbing and turning over the first sheet, the second sheet, and the third sheet stacked on each other, a fourth loading device for storing a fourth sheet and stacking the fourth sheet on the back of the first sheet, and a hot pressing device for hot pressing the first sheet, the second sheet, the third sheet, and the fourth sheet stacked on each other, characterized in that: The feeding robot comprises: Three-axis linear module; A bottom plate, the bottom plate is arranged on the three-axis linear module and is driven by the three-axis linear module to reciprocate along the X, Y and Z axis directions, and a plurality of suction holes interconnected with an external air source are arranged on the bottom plate; The pressing roller is located beside the bottom plate and is arranged on the three-axis linear module. The pressing roller is driven by the three-axis linear module to reciprocate along the X, Y and Z axis directions.

2. A battery pole piece assembly device according to claim 1, characterized in that: The three-axis linear module is provided with a first cylinder, and drives the first cylinder to reciprocate along the X, Y and Z axis directions. A mounting frame is fixedly connected to the piston rod of the first cylinder extending downward, and the two ends of the pressure roller are rotatably connected to the mounting frame.

3. The battery pole piece assembly equipment according to claim 1, characterized in that: A first motor is fixedly mounted on the three-axis linear module, and an output shaft of the first motor is fixedly connected to the base plate and drives the base plate to rotate along the axis of the output shaft of the first motor.

4. The battery pole piece assembly equipment according to claim 1, characterized in that: The turning device comprises: A grabbing mechanism, used for grabbing the first sheet, the second sheet, and the third sheet stacked on each other, comprising a suction plate suspended above the conveying device and reciprocating in the vertical direction; A turning mechanism, wherein the turning mechanism and the grabbing mechanism are arranged side by side with each other, and comprises The frame is slidably connected to the table of the conveying device along the conveying direction, and includes two vertical plates respectively located on both sides of the fixture, The second cylinder is fixedly mounted on the table of the conveying device and connected to the frame to drive the frame to reciprocate along the conveying direction. The flip plate has two sides connected to the vertical plate by sliding blocks in a vertical direction, and the two ends of the flip plate are rotatably connected to the sliders, and a plurality of adsorption holes connected to an external air source are provided on the top surface of the flip plate. The second motor is fixedly mounted on any one of the sliders and is drivingly connected to the rotating shaft of the flip plate to drive the flip plate to flip along the axis. The third cylinder is fixedly mounted on the frame, and the piston rod of the third cylinder is fixedly connected to the slider to drive the slider to reciprocate in the up-and-down direction.

5. A battery pole piece assembly device according to claim 4, characterized in that: The gripping mechanism also includes a frame spanning over the jig, the suction plate is slidably connected to the frame in a vertical direction, and a lifting drive device connected to the suction plate is fixedly mounted on the frame for driving the suction plate to reciprocate in a vertical direction.

6. The battery pole piece assembly equipment according to claim 1, characterized in that: The third feeding device and the fourth feeding device also include a glue dispensing mechanism for dripping glue on the sheet on the fixture, which includes a glue dispensing head and a glue dispensing linear module for driving the glue dispensing head to reciprocate along the X, Y, and Z axis directions.

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