Semi-automatic lamination stacking machine

Abstract

The utility model discloses a semi-automatic laminating machine, which is used for laminating lithium battery pole pieces, comprises a rack table, a laminating table arranged on the upper table surface of the rack table and a picking and laminating mechanism arranged above the laminating table, and is characterized in that the laminating table is also provided with a first adjusting device for adjusting the height of the pole pieces; positioning tables are arranged on the two sides of the lamination table, the positioning tables are used for placing and positioning pole pieces to be laminated, and second adjusting devices used for adjusting the relative positions of the laminated pole pieces and the pole pieces to be laminated are arranged at the upper ends of the positioning tables. According to the lamination deviation condition of the laminated area of the lamination table, the position of the pole piece is adjusted through the adjustable positioning block on the positioning table, so that the purpose of improving the lamination precision is achieved, and in addition, the lamination precision is further improved through the first adjusting device.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery stacking machines, in particular to a semi-automatic stacking machine. Background Art

[0002] Semi-automatic stacking machine is one of the important equipment in the lithium battery manufacturing process. It is mainly used to stack the positive and negative plates of lithium batteries according to certain rules to realize battery manufacturing. It can realize efficient and accurate stacking operation. It has the characteristics of high stacking efficiency, good stacking uniformity, and a wide range of applicable battery sizes. It can meet the manufacturing needs of batteries of different types and sizes. With the continuous development of battery technology, semi-automatic stacking machines play an increasingly important role in the battery manufacturing process.

[0003] However, with the development of science and technology, the requirements for battery performance are getting higher and higher, which requires the stacking machine to have higher precision stacking performance. However, the stacking accuracy of the current semi-automatic stacking machine is poor and cannot meet daily production requirements. Utility Model Content

[0004] The main purpose of the utility model is to provide a semi-automatic lamination machine, aiming at improving the lamination accuracy of lithium battery pole pieces.

[0005] To achieve the above-mentioned purpose, the utility model proposes a semi-automatic stacking machine for stacking lithium battery pole pieces, including a frame, a stacking table arranged on the table top of the frame, and a picking and laminating mechanism arranged above the stacking table, the stacking table is also provided with a first adjustment device for adjusting the height of the pole piece, positioning tables are provided on both sides of the stacking table, the positioning tables are used to place and position the pole pieces to be stacked, and the upper end of the positioning table is provided with a second adjustment device for adjusting the relative position of the stacked pole pieces and the pole pieces to be stacked.

[0006] In one embodiment of the utility model, the second adjustment device includes a plurality of positioning blocks and a driving device arranged on the positioning platform and drivingly connected to the positioning blocks. The positioning blocks are movably mounted on the positioning platform and form placement grooves for placing pole pieces. The driving device is used to adjust the position of the pole pieces placed in the placement grooves.

[0007] In one embodiment of the utility model, a cross-shaped slide groove is provided at the upper end of the positioning platform, a slide rail is provided at the bottom of the positioning block, the slide rail is slidably installed in the cross-shaped slide groove, and the positioning blocks are respectively arranged at various positions of the cross-shaped slide groove to form a clamping space for fixing the pole piece and adjusting the size and position.

[0008] In one embodiment of the utility model, the driving device includes a third pneumatic actuator arranged near each end of the cross-shaped slide groove and a driving rod connected to one end of the third pneumatic actuator respectively, and the other end of the driving rod connected to the third pneumatic actuator is connected to the positioning block.

[0009] In one embodiment of the utility model, the first adjustment device includes a lifting plate arranged at the upper end of the stacking table, an adjustment component, and a die table arranged at one side of the lifting plate and fixedly connected to the stacking table, and the adjustment component is respectively connected to the lifting plate and the stacking table to enable the lifting plate to move up and down.

[0010] In one embodiment of the utility model, the adjustment assembly includes a plurality of linear bearings and a plurality of springs, the springs are respectively sleeved on the linear bearings, one end of the linear bearing is fixedly connected to the lifting plate, and the other end of the linear bearing is fixedly connected to the stacking table.

[0011] In one embodiment of the utility model, the stacking platform is also provided with a pressing device for pressing the pole pieces and the diaphragm, the pressing device includes a plurality of pairs of movable components, a plurality of lifting components and a plurality of pressing components respectively connected to one end of the lifting components for pressing, which are arranged on two opposite sides of the stacking platform. The movable component is arranged at the bottom of the stacking platform so that it can be close to or away from the stacking platform, and the lifting component is fixedly connected to the movable component.

[0012] In one embodiment of the utility model, the moving assembly includes a slider and a first pneumatic actuator, a plurality of tracks extending from the inside of the stacking platform to the outside are provided on both sides of the bottom of the stacking platform, the slider is slidably mounted on the track, one end of the first pneumatic actuator is fixedly connected to the bottom of the stacking platform, and the other end of the first pneumatic actuator is fixedly connected to the slider for controlling the slider to approach or move away from the stacking platform;

[0013] The lifting assembly includes a mounting block and a second pneumatic actuator, the second pneumatic actuator is vertically arranged downward and the lower end is fixedly connected to the slider, the upper end of the second pneumatic actuator is connected to the mounting block, and the die assembly is mounted on the mounting block.

[0014] In one embodiment of the utility model, the film picking-up mechanism includes a film picking-up device disposed above the stacking table and a diaphragm roll disposed above the film picking-up device. The film picking-up device reciprocally unwinds the diaphragm tape of the diaphragm roll to the stacking table and alternately places the pole pieces in the positioning table between the diaphragms.

[0015] In one embodiment of the utility model, the frame is further provided with a correction device at the position of the diaphragm roll, and the correction device includes a support frame installed on the frame, a first motor slidably installed on the support frame, a second motor fixedly connected to the first motor, a first screw rod connected to the first motor at one end, a second screw rod connected to the second motor at one end, and a correction sensor arranged on one side of the diaphragm roll, a guide rail perpendicular to the side of the frame is provided at the bottom of the support frame, the bottom of the first motor is slidably connected to the guide rail, the other end of the first screw rod is connected to the diaphragm roll, and the other end of the second screw rod away from the second motor abuts against the side wall of the frame.

[0016] The technical solution of the utility model uses the adjustable positioning block on the positioning table to make corresponding adjustments to the pole piece position of the positioning table according to the stacking deviation of the stacking area of ​​the stacking table, so as to achieve the purpose of improving the stacking accuracy. In addition, through the first adjustment device, when the stacking table is stacking, the pressing device can be adjusted in real time according to the thickness of the stacking to make the pole piece flush with the pressing table, thereby preventing the guide column pole piece from shifting during the pressing process of the pressing device due to the height difference during lamination, thereby further improving the stacking accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model 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 utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of an embodiment of a semi-automatic laminating machine of the utility model;

[0019] Figure 2 This is a structural schematic diagram of a second adjustment device of an embodiment of a semi-automatic lamination machine of the utility model;

[0020] Figure 3 This is a schematic structural diagram of a laminating table of an embodiment of a semi-automatic laminating machine of the utility model;

[0021] Figure 4 This is a structural schematic diagram of a first adjustment device of an embodiment of a semi-automatic lamination machine of the utility model;

[0022] Figure 5 This is a schematic structural diagram of a die pressing device of an embodiment of a semi-automatic laminating machine of the utility model;

[0023] Figure 6 The utility model is a schematic structural diagram of a picking-up and laminating mechanism of a semi-automatic laminating machine in one embodiment.

[0024] Description of Figure Numbers:

[0025] 1. Frame; 2. Stacking table; 3. Pick-up laminating mechanism; 4. Positioning table; 5. First adjusting device; 6. Second adjusting device; 7. Correction device; 8. Diaphragm roll; 9. Pressing table; 10. Pressing device; 61. Positioning block; 62. Cross slide; 51. Lifting plate; 52. Linear bearing; 53. Spring; 101. First pneumatic actuator; 102. Track; 103. Slider; 104. Second pneumatic actuator; 105. Mounting block; 71. Support frame; 72. First motor; 73. Second motor; 74. First screw rod; 75. Second screw rod; 31. Moving block; 32. Moving rail; 33. Suction grab; 34. Auxiliary roller; 36. Correction sensor.

[0026] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) 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.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text is to include three parallel solutions. Taking "A and / or B as an example", it includes solution A, or solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0031] The utility model provides a semi-automatic lamination machine.

[0032] In an embodiment of the present utility model, a semi-automatic stacking machine, such as Figure 1 As shown, it includes a frame table 1, a stacking table 2 arranged on the upper surface of the frame table 1, and a picking and coating mechanism 3 arranged above the stacking table 2. The picking and coating device can reciprocally unwind the diaphragm tape of the diaphragm roll 8 to the stacking table 2 and alternately place the pole pieces in the positioning table 4 between the diaphragms in sequence. A plurality of positive pole pieces and negative pole pieces are stacked to form a lithium battery cell. Its structure can be realized by a plurality of independently controlled mechanical claws, and the functions of coating and stacking can also be realized by a combination of mechanical claws and auxiliary rollers 34. The stacking platform 2 is also provided with a first adjustment device 5 for adjusting the height of the pole piece. The first adjustment device 5 can be adjusted by driving the stacking platform 2 to rise and fall by a motor, or by adding a lifting structure on the stacking platform 2. The main purpose is to make the upper end height of the pole piece stacked on the stacking platform 2 consistent with the height of the coating, so as to prevent the pole piece from shifting due to the excessive height difference of the diaphragm when coating the stacked pole piece. In addition, positioning platforms 4 are provided on both sides of the stacking platform 2 for placement. A positioning platform 4 is provided on the upper end of the positioning platform 4 for adjusting the stacked pole piece and The second adjusting device 6 for the relative position of the pole pieces to be stacked can make adjustments according to the misalignment of the already stacked pole pieces to ensure that the misalignment of the stacked pole pieces is within an acceptable error range, and the second adjusting device 6 can adjust the position of the pole pieces placed on the positioning table 4 in real time through the driving device. The position of the pole pieces can be adjusted manually through the driving device according to the misalignment, or the pole pieces on the stacking table 2 and the positioning table 4 can be proofread in real time through high-precision detection equipment such as CCD, and then automatically adjusted through the driving device so that the pole pieces can be accurately stacked on the already stacked pole pieces on the stacking table 2.

[0033] The technical solution of the utility model is to set a second adjustment device 6 on the positioning table 4 to adjust the pole pieces placed on the positioning table 4 in real time according to the deviation of the stacked pole pieces to achieve precise alignment. In addition, the height of the stacked pole pieces is adjusted by the first adjustment device 5 to prevent the pole pieces from being pulled and deviated during lamination, thereby further improving the stacking accuracy of the pole pieces.

[0034] Alternatively, if Figure 2 As shown, the second adjustment device 6 includes a plurality of positioning blocks 61 and a driving device arranged on the positioning platform 4 and drivingly connected to the positioning blocks 61. The positioning blocks 61 are movably mounted on the positioning platform 4 and form placement slots for placing pole pieces, wherein the driving device is used to adjust the position of the pole piece placed in the placement slot. The driving device controls the movement of the positioning blocks 61, thereby pushing the pole piece to move and adjust the position of the pole piece. The driving device here can be a simple motor drive or a third pneumatic actuator drive. There are many driving methods, which will not be described here.

[0035] Furthermore, a cross-shaped slide groove 62 is provided at the upper end of the positioning platform 4, and a slide rail is provided at the bottom of the positioning block 61. The slide rail is slidably installed in the cross-shaped slide groove 62. The positioning blocks 61 are respectively arranged at various positions of the cross-shaped slide groove 62 to form a clamping space for fixing the pole piece and the size and position of the pole piece can be adjusted by adjusting the positioning block 61 installed in the slide groove.

[0036] Furthermore, the driving device includes a third pneumatic actuator disposed near each end of the cross-shaped slide slot 62 and a driving rod connected to one end of the third pneumatic actuator respectively, and the other end of the driving rod connected to the third pneumatic actuator is connected to the positioning block 61.

[0037] Optionally, see Figure 3 to Figure 4 The first adjusting device 5 includes a lifting plate 51 arranged at the upper end of the stacking platform 2, an adjusting component and a die table 9 arranged on one side of the lifting plate 51 and fixedly connected to the stacking platform 2. The adjusting component is respectively connected to the lifting plate 51 and the stacking platform 2 to enable the lifting plate 51 to move up and down. The adjusting component can be a driving device that can make the lifting plate 51 and the stacking platform 2 move relative to each other, or it can be an elastic device that can make the lifting plate 51 and the stacking platform 2 move relative to each other, and then other mechanisms act on it during the operation process to make the lifting plate 51 move up and down.

[0038] Furthermore, the adjustment assembly includes a plurality of linear bearings 52 and a plurality of springs 53 , wherein the springs 53 are respectively sleeved on the linear bearings 52 , one end of the linear bearings 52 is fixedly connected to the lifting plate 51 , and the other end of the linear bearings 52 is fixedly connected to the stacking table 2 .

[0039] Alternatively, if Figure 3As shown, the stacking platform is also provided with a die device 10 for pressing the pole piece and the diaphragm. The die device 10 includes a plurality of pairs of moving components, a plurality of pairs of lifting components, and a plurality of die components respectively connected to one end of the lifting components for pressing. The moving component is provided at the bottom of the stacking platform 2 so that it can be close to or away from the stacking platform 2. The lifting component is fixedly connected to the moving component. The moving component and the lifting component here are both driving devices, which are mainly used to enable the die assembly to move horizontally and up and down relative to the stacking platform 2. The die assembly presses the diaphragm and the pole piece through the drive of the moving component and the lifting component to prevent the pole piece from moving. In addition, the lifting and lowering of the lifting plate 51 can be controlled according to the thickness of the stacking.

[0040] Alternatively, if Figure 5 As shown, the moving assembly includes a slider 103 and a first pneumatic actuator 101, a plurality of rails 102 extending from the inside to the outside of the stacking platform 2 are provided on both sides of the bottom of the stacking platform 2, the slider 103 is slidably mounted on the rail 102, one end of the first pneumatic actuator 101 is fixedly connected to the bottom of the stacking platform 2, and the other end of the first pneumatic actuator 101 is fixedly connected to the slider 103 for controlling the slider 103 to approach or move away from the stacking platform 2; the lifting assembly includes a mounting block 105 and a second pneumatic actuator 104, the second pneumatic actuator is vertically downwardly arranged and the lower end is fixedly connected to the slider 103, the upper end of the second pneumatic actuator is connected to the mounting block 105, and the die assembly is mounted on the mounting block 105.

[0041] Alternatively, if Figure 6 As shown, the film picking mechanism 3 includes a film picking device disposed above the stacking table 2 and a diaphragm roll 8 disposed above the film picking device. The film picking device reciprocally unwinds the diaphragm tape of the diaphragm roll 8 to the stacking table 2 and alternately places the pole pieces in the positioning table 4 between the diaphragms. The film picking device structure may be, including a moving block 31 and a moving rail 32 and two suction grippers 33 disposed on the frame table 1 and parallel to the two positioning tables 4. The moving block 31 is slidably mounted on the moving rail 32. The suction grippers 33 are vertically slidably connected to the two ends of the moving block 31 so that the suction grippers 33 can grab the pole pieces on the positioning table 4. In addition, the moving block 31 is further provided with an auxiliary roller 34 between the two suction grippers 33, which can pull the diaphragm of the diaphragm roll 8 to the auxiliary roller 34, and then the moving block 31 reciprocates between the two positioning tables 4 to reciprocately fold the diaphragm and lay it on the stacking table 2.

[0042] Alternatively, if Figure 6As shown, the frame 1 is further provided with a correction device 7 at the position of the diaphragm roll 8, the correction device 7 comprises a support frame 71 installed on the frame 1, a first motor 72 slidably installed on the support frame 71, a second motor 73 fixedly connected to the first motor 72, a first screw rod 74 connected to the first motor 72 at one end, a second screw rod 75 connected to the second motor 73 at one end, and a correction sensor 36 arranged on one side of the diaphragm roll 8. A guide rail perpendicular to the side of the frame 1 is provided at the bottom of the support frame 71, the bottom of the first motor 72 is slidably connected to the guide rail, the other end of the first screw rod 74 is connected to the diaphragm roll 8, and the other end of the second screw rod 75 away from the second motor 73 abuts against the side wall of the frame 1. When the correction sensor 36 detects that the position of the diaphragm roll 8 is offset, the position of the diaphragm roll 8 can be roughly adjusted by driving the second motor 73, and the diaphragm roll 8 can be fine-tuned by driving the first motor 72, thereby ensuring that the diaphragm completely isolates the pole pieces.

[0043] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A semi-automatic laminating machine for laminating lithium battery pole pieces, comprising a frame, a laminating table arranged on the frame, and a picking and laminating mechanism arranged above the laminating table, characterized in that: The stacking platform is also provided with a first adjustment device for adjusting the height of the pole pieces. Positioning platforms are provided on both sides of the stacking platform. The positioning platforms are used to place and position the pole pieces to be stacked. The upper end of the positioning platform is provided with a second adjustment device for adjusting the relative position of the stacked pole pieces and the pole pieces to be stacked.

2. A semi-automatic lamination machine as claimed in claim 1, characterized in that: The second adjustment device includes a plurality of positioning blocks and a driving device disposed on the positioning platform and drivingly connected to the positioning blocks. The positioning blocks are movably mounted on the positioning platform and form placement slots for placing pole pieces. The driving device is used to adjust the position of the pole pieces placed in the placement slots.

3. A semi-automatic lamination machine as claimed in claim 2, characterized in that: A cross-shaped slide groove is provided at the upper end of the positioning platform, and a slide rail is provided at the bottom of the positioning block. The slide rail is slidably installed in the cross-shaped slide groove. The positioning blocks are respectively arranged at various positions of the cross-shaped slide groove to form a clamping space for fixing the pole piece and adjusting the size and position.

4. A semi-automatic lamination machine as claimed in claim 3, characterized in that: The driving device includes a third pneumatic actuator disposed near each end of the cross-shaped slide slot and a driving rod connected to one end of each of the third pneumatic actuators. The other end of the driving rod connected to the third pneumatic actuator is connected to the positioning block.

5. A semi-automatic lamination machine as claimed in claim 4, characterized in that: The first adjustment device includes a lifting plate arranged at the upper end of the stacking table, an adjustment component, and a die table arranged at one side of the lifting plate and fixedly connected to the stacking table. The adjustment component is respectively connected to the lifting plate and the stacking table to enable the lifting plate to move up and down.

6. A semi-automatic lamination machine as claimed in claim 5, characterized in that: The adjustment assembly includes a plurality of linear bearings and a plurality of springs, wherein the springs are respectively sleeved on the linear bearings, one end of the linear bearing is fixedly connected to the lifting plate, and the other end of the linear bearing is fixedly connected to the stacking table.

7. A semi-automatic lamination machine as claimed in claim 6, characterized in that: The stacking platform is also provided with a die pressing device for pressing the pole pieces and the diaphragm, and the die pressing device includes a plurality of pairs of movable components, a plurality of pairs of lifting components, and a plurality of die pressing components respectively connected to one end of the lifting components for die pressing, which are arranged on two opposite sides of the stacking platform. The movable component is arranged at the bottom of the stacking platform so that it can be close to or away from the stacking platform, and the lifting component is fixedly connected to the movable component.

8. A semi-automatic lamination machine as claimed in claim 7, characterized in that: The moving assembly includes a slider and a first pneumatic actuator. A plurality of tracks extending from the inside of the stacking platform to the outside are provided on both sides of the bottom of the stacking platform. The slider is slidably mounted on the track. One end of the first pneumatic actuator is fixedly connected to the bottom of the stacking platform. The other end of the first pneumatic actuator is fixedly connected to the slider for controlling the slider to approach or move away from the stacking platform. The lifting assembly includes a mounting block and a second pneumatic actuator, the second pneumatic actuator is vertically arranged downward and the lower end is fixedly connected to the slider, the upper end of the second pneumatic actuator is connected to the mounting block, and the die assembly is mounted on the mounting block.

9. A semi-automatic laminating machine according to any one of claims 1 to 8, characterized in that: The film picking mechanism includes a film picking device disposed above the laminating table and a diaphragm roll disposed above the film picking device. The film picking device reciprocally unwinds the diaphragm tape of the diaphragm roll to the laminating table and alternately places the pole pieces in the positioning table between the diaphragms.

10. A semi-automatic lamination machine as claimed in claim 9, characterized in that: The frame is also provided with a correction device at the position of the diaphragm roll, and the correction device includes a support frame installed on the frame, a first motor slidably installed on the support frame, a second motor fixedly connected to the first motor, a first screw rod connected to the first motor at one end, a second screw rod connected to the second motor at one end, and a correction sensor arranged on one side of the diaphragm roll, a guide rail perpendicular to the side of the frame is provided at the bottom of the support frame, the bottom of the first motor is slidably connected to the guide rail, the other end of the first screw rod is connected to the diaphragm roll, and the other end of the second screw rod away from the second motor abuts against the side wall of the frame.

Images