Rapid and automatic positioning device and correction method for diaphragm of lamination stacking machine
By designing a fast automatic positioning device for diaphragm by lamination machine, using components such as workbench, diaphragm correction platform and pressure claws to realize automatic positioning and correction of diaphragm, solving the problem that diaphragm is prone to disengage or deviate during lamination, and improving the quality of the battery cell lamination.
Patent Information
- Application Number
- CN202510059552.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-04-25
AI Technical Summary
In existing lamination machines, the diaphragm is prone to disengage or deviate when stacked with the positive and negative electrodes of the battery, resulting in overall skewness and affecting the progress of subsequent work.
A quick automatic positioning device for diaphragm lamination machine is designed, including a workbench, a diaphragm correction platform, a support base, a mobile frame, a diaphragm claw mobile frame and a diaphragm claw. Through the collaborative work of these components, automatic positioning and correction of the diaphragm is achieved.
The diaphragm pressure claw moves the diaphragm pressure claws up and down on both sides of the surface of the diaphragm correction platform to ensure that the diaphragm remains flat during the lamination process, avoid deviation, and improve the quality of the battery cell lamination.
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Figure CN119890391A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of laminating machines, and in particular to a laminating machine diaphragm rapid automatic positioning device and a correction method. Background Art
[0002] The stacking machine is used in the stacking process of power battery cells to stack the positive and negative electrodes and diaphragms of the battery together, wrap them with the diaphragm, and affix adhesive tape to prevent them from spreading. However, in the prior art, the diaphragm is prone to detach from the workbench when stacked with the positive and negative electrodes of the battery, and the diaphragm is prone to deviation when it is transferred and laid flat on the workbench, resulting in the overall tilt when stacked with the positive and negative electrodes of the battery, thereby affecting the subsequent progress of other work. For this reason, a stacking machine diaphragm rapid automatic positioning device is proposed. Summary of the invention
[0003] In order to overcome the above-mentioned shortcomings, the present invention aims to provide a technical solution that can solve the above-mentioned problems.
[0004] A device for quickly and automatically positioning the diaphragm of a laminating machine comprises a workbench, a diaphragm correction platform is vertically arranged in the middle position of the workbench, and support seats are arranged on both sides of the diaphragm correction platform, and the support seats are transversely arranged at both sides of the workbench surface, a movable frame is vertically arranged on the top of the support seat, and the movable frame is vertically located at the side of the diaphragm correction platform, and the movable frame moves on the support seat, a diaphragm pressing claw movable frame is vertically arranged on one side of the movable frame, and the diaphragm pressing claw movable frame moves up and down on the side of the movable frame, a diaphragm pressing claw is transversely arranged on the top of the diaphragm pressing claw movable frame, and the diaphragm pressing claw and the diaphragm pressing claw movable frame have the same moving direction, and the diaphragm pressing claw is transversely located at both sides of the surface of the diaphragm correction platform.
[0005] Preferably, a pressure claw opening and closing cylinder is provided between the support seat and the movable frame, and the pressure claw opening and closing cylinder is laterally located at one side of the top end of the support seat, and the pressure claw opening and closing cylinder is drivingly connected to the movable frame.
[0006] Preferably, upper and lower pressure claw cylinders are arranged between the moving frame and the diaphragm pressure claw moving frame, and the upper and lower pressure claw cylinders are vertically arranged on the side of the diaphragm pressure claw moving frame, and one end of the upper and lower pressure claw cylinders is drivingly connected to the moving frame.
[0007] Preferably, a slider and a guide rail are also provided between the movable frame and the diaphragm pressure jaw movable frame, and the guide rail is vertically located on the side of the movable frame, and the slider is vertically located on the side of the diaphragm pressure jaw movable frame, and the other side of the slider is vertically slidably arranged on the other side of the guide rail, and the slider slides on the guide rail.
[0008] A calibration method for a laminating machine diaphragm rapid automatic positioning device, used to implement the above-mentioned laminating machine diaphragm rapid automatic positioning device, comprises the following steps:
[0009] S1. The membrane correction platform is used to adsorb and lay the beginning of the membrane required for stacking the positive and negative electrode sheets, and the workbench together with the membrane correction platform is moved horizontally left and right, and the angle of the adsorbed membrane is swung and adjusted;
[0010] S2. The positive and negative electrode sheets are stacked on the adsorbed diaphragm in sequence. When the positive electrode sheet is placed horizontally on the diaphragm, the diaphragm is folded in half and the negative electrode sheet is placed on the folded surface. Then the diaphragm is folded in half and the positive electrode sheet is placed on the folded surface. This process is repeated until the positive and negative electrode sheets are stacked on the diaphragm and a primary battery cell is formed.
[0011] S3, the primary battery cell connected diaphragm formed in S2 is moved to the inside of the film cutting mechanism and positioned at the film cutting position, and the film cutting mechanism cuts the diaphragm pulled out of the primary battery cell by hot cutting, and the primary battery cell after the diaphragm is cut is offset from the diaphragm correction platform;
[0012] S4, the diaphragm cut off in S3 is rolled and recovered by a recovery mechanism, and after the diaphragm is rolled and recovered, the primary battery cell is moved back to the diaphragm correction platform;
[0013] S5, start the claw opening and closing cylinder to connect the mobile frame to the diaphragm claw moving frame and the claws on the diaphragm claw moving frame to the side of the diaphragm correction platform, and at the same time drive the claw upper and lower cylinders to drive the diaphragm claw moving frame and the claws on the diaphragm claw moving frame, so as to perform film pressing on both sides of the primary battery cells that have been moved back to the diaphragm correction platform in S4;
[0014] S6, the workbench is connected to the diaphragm correction platform and the primary battery cell after film pressing on the diaphragm correction platform is moved to the diaphragm correction mechanism, and the diaphragm correction mechanism corrects the position of the diaphragm and positions it.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the diaphragm pressing claw moving frame enables the pressing claws to press up and down on both sides of the surface of the diaphragm correction platform, thereby applying pressure to the diaphragm on the diaphragm correction platform so that subsequent pole pieces can be folded and stacked when placed on the diaphragm, and the diaphragm can be positionally corrected and positioned when being pressed, thereby ensuring the flatness of the diaphragm during subsequent battery cell stacking.
[0016] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 It is a structural schematic diagram of a lamination machine diaphragm rapid automatic positioning device;
[0019] Figure 2 It is another structural schematic diagram of a lamination machine diaphragm rapid automatic positioning device;
[0020] Figure 3 This is another structural schematic diagram of a device for quickly and automatically positioning the diaphragm of a lamination machine.
[0021] As shown in the figure: 1. workbench, 2. support seat, 3. pressure jaw opening and closing cylinder, 4. moving frame, 5. pressure jaw upper and lower cylinders, 6. diaphragm pressure jaw, 7. diaphragm correction platform, 8. diaphragm pressure jaw moving frame, 9. slide block, 10. guide rail. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0023] See also Figure 1-3 In an embodiment of the present invention, a laminating machine diaphragm rapid automatic positioning device comprises a workbench 1, a diaphragm correction platform 7 is vertically arranged in the middle of the workbench 1, and support seats 2 are arranged on both sides of the diaphragm correction platform 7, and the support seats 2 are arranged horizontally on both sides of the surface of the workbench 1, and a moving frame 4 is vertically arranged on the top of the support seat 2 for vertical movement, and the moving frame 4 is vertically located on the side of the diaphragm correction platform 7, and the moving frame 4 moves on the support seat 2, and a diaphragm pressure claw moving member is vertically arranged on one side of the moving frame 4. The movable frame 8 is provided with a diaphragm pressing claw 6 at the top of the diaphragm pressing claw moving frame 8, and the diaphragm pressing claw 6 and the diaphragm pressing claw moving frame 8 have the same moving direction, and the diaphragm pressing claw 6 is laterally located at both sides of the surface of the diaphragm correction platform 7, and then the diaphragm pressing claw 6 is pressed up and down on both sides of the surface of the diaphragm correction platform 7 through the diaphragm pressing claw moving frame 8, so as to apply pressure to the diaphragm on the diaphragm correction platform 7 so that the subsequent pole pieces can be folded and stacked when they are placed on the diaphragm.
[0024] A pressure claw opening and closing cylinder 3 is arranged between the support base 2 and the movable frame 4, and the pressure claw opening and closing cylinder 3 is laterally located on one side of the top end of the support base 2, and the pressure claw opening and closing cylinder 3 and the movable frame 4 are driven and connected, so that the movable frame 4 is driven to translate on the support base 2 through the pressure claw opening and closing cylinder 3.
[0025] A pressure claw upper and lower cylinder 5 is arranged between the moving frame 4 and the diaphragm pressure claw moving frame 8, and the pressure claw upper and lower cylinder 5 is vertically arranged on the side of the diaphragm pressure claw moving frame 8, and one end of the pressure claw upper and lower cylinder 5 is drivingly connected to the moving frame 4, so that when the pressure claw upper and lower cylinder 5 is driven, the diaphragm pressure claw moving frame 8 is driven to move vertically on the side of the moving frame 4.
[0026] A slider 9 and a guide rail 10 are also provided between the movable frame 4 and the diaphragm pressure claw movable frame 8, and the guide rail 10 is vertically located on the side of the movable frame 4, and the slider 9 is vertically located on the side of the diaphragm pressure claw movable frame 8, and the other side of the slider 9 is vertically slidably arranged on the other side of the guide rail 10, and the slider 9 slides on the guide rail 10, and then through the sliding cooperation between the slider 8 and the guide rail 10, the pressure claw upper and lower cylinders 5 are driven and the diaphragm pressure claw movable frame 8 is driven to move up and down on the side of the movable frame 4 more stably.
[0027] A calibration method for a laminating machine diaphragm rapid automatic positioning device, used to implement the above laminating machine diaphragm rapid automatic positioning device, comprises the following steps:
[0028] S1, the membrane correction platform 7 is used to adsorb and lay the beginning of the membrane required for stacking the positive and negative electrode sheets, and the workbench 1 together with the membrane correction platform 7 is moved horizontally left and right, and the angle of the adsorbed membrane is swung and adjusted;
[0029] S2. The positive and negative electrode sheets are stacked on the adsorbed diaphragm in sequence. When the positive electrode sheet is placed horizontally on the diaphragm, the diaphragm is folded in half and the negative electrode sheet is placed on the folded surface. Then the diaphragm is folded in half and the positive electrode sheet is placed on the folded surface. This process is repeated until the positive and negative electrode sheets are stacked on the diaphragm and a primary battery cell is formed.
[0030] S3, the primary battery cell connected diaphragm formed in S2 is moved to the inside of the film cutting mechanism and positioned at the film cutting position, and the film cutting mechanism cuts the diaphragm pulled out of the primary battery cell by hot cutting, and the primary battery cell after the diaphragm is cut is offset from the diaphragm correction platform 7;
[0031] S4, the diaphragm cut off in S3 is rolled and recovered by a recovery mechanism, and after the diaphragm is rolled and recovered, the primary battery cell is moved back to the diaphragm correction platform 7;
[0032] S5, start the claw opening and closing cylinder 3 to connect the mobile frame 4 to the diaphragm claw moving frame 8 and the diaphragm claw 6 on the diaphragm claw moving frame 8 to the side of the diaphragm correction platform 7, and at the same time drive the claw upper and lower cylinders 5 to drive the diaphragm claw moving frame 8 and the diaphragm claw 6 on the diaphragm claw moving frame 8, so as to perform film pressing on both sides of the primary battery cell that was moved back to the diaphragm correction platform 7 in S4;
[0033] S6, the workbench 1 is connected to the diaphragm correction platform 7, and the primary battery cells after film pressing on the diaphragm correction platform 7 are moved to the diaphragm correction mechanism, and the diaphragm correction mechanism corrects the position of the diaphragm and positions it.
[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.
Claims
1. A lamination machine diaphragm rapid automatic positioning device, comprising a workbench, characterized in that: A diaphragm correction platform is vertically arranged in the middle position of the workbench, and support seats are arranged on both sides of the diaphragm correction platform, and the support seats are transversely arranged at both sides of the workbench surface, a mobile frame is vertically arranged on the top of the support seat, and the mobile frame is vertically located at the side of the diaphragm correction platform, and the mobile frame moves on the support seat, a diaphragm pressing claw mobile frame is vertically arranged on one side of the mobile frame, and the diaphragm pressing claw mobile frame moves up and down on the side of the mobile frame, a diaphragm pressing claw is transversely arranged on the top of the diaphragm pressing claw mobile frame, and the diaphragm pressing claw and the diaphragm pressing claw mobile frame have the same moving direction, and the diaphragm pressing claw is transversely located at both sides of the surface of the diaphragm correction platform.
2. A lamination machine diaphragm rapid automatic positioning device according to claim 1, characterized in that: A pressure claw opening and closing cylinder is arranged between the support seat and the moving frame, and the pressure claw opening and closing cylinder is laterally located at one side of the top end of the support seat, and the pressure claw opening and closing cylinder is drivingly connected to the moving frame.
3. The device for rapid automatic positioning of diaphragms of a laminating machine according to claim 1, characterized in that: A pressing claw upper and lower cylinder is arranged between the moving frame and the diaphragm pressing claw moving frame, and the pressing claw upper and lower cylinder is vertically arranged at the side of the diaphragm pressing claw moving frame, and one end of the pressing claw upper and lower cylinder is drivingly connected to the moving frame.
4. The device for rapid automatic positioning of diaphragms of a laminating machine according to claim 1, characterized in that: A slider and a guide rail are also provided between the movable frame and the diaphragm pressure claw movable frame, and the guide rail is vertically located on the side of the movable frame, and the slider is vertically located on the side of the diaphragm pressure claw movable frame, and the other side of the slider is vertically slidably arranged on the other side of the guide rail, and the slider slides on the guide rail.
5. A calibration method for a laminating machine diaphragm rapid automatic positioning device, used to implement the laminating machine diaphragm rapid automatic positioning device described in claims 1-4, characterized in that: The following steps are involved: S1. The membrane correction platform is used to adsorb and lay the beginning of the membrane required for stacking the positive and negative electrode sheets, and the workbench together with the membrane correction platform is moved horizontally left and right, and the angle of the adsorbed membrane is swung and adjusted; S2. The positive and negative electrode sheets are stacked on the adsorbed diaphragm in sequence. When the positive electrode sheet is placed horizontally on the diaphragm, the diaphragm is folded in half and the negative electrode sheet is placed on the folded surface. Then the diaphragm is folded in half and the positive electrode sheet is placed on the folded surface. This process is repeated until the positive and negative electrode sheets are stacked on the diaphragm and a primary battery cell is formed. S3, the primary battery cell connected diaphragm formed in S2 is moved to the inside of the film cutting mechanism and positioned at the film cutting position, and the film cutting mechanism cuts the diaphragm pulled out of the primary battery cell by hot cutting, and the primary battery cell after the diaphragm is cut is offset from the diaphragm correction platform; S4, the diaphragm cut off in S3 is rolled and recovered by a recovery mechanism, and after the diaphragm is rolled and recovered, the primary battery cell is moved back to the diaphragm correction platform; S5, start the claw opening and closing cylinder to connect the mobile frame to the diaphragm claw moving frame and the claws on the diaphragm claw moving frame to the side of the diaphragm correction platform, and at the same time drive the claw upper and lower cylinders to drive the diaphragm claw moving frame and the claws on the diaphragm claw moving frame, so as to perform film pressing on both sides of the primary battery cells that have been moved back to the diaphragm correction platform in S4; S6, the workbench is connected to the diaphragm correction platform and the primary battery cell after film pressing on the diaphragm correction platform is moved to the diaphragm correction mechanism, and the diaphragm correction mechanism corrects the position of the diaphragm and positions it.
Citation Information
Patent Citations
Separator Correction unit for secondary battery cell stack device
KR102634753B1