Lithium battery pole piece lamination machine

Abstract

The utility model provides a lithium battery pole piece laminating machine which comprises a main body assembly, and the main body assembly comprises an operation table, a partition plate, an electric sliding rail, a sliding seat, a connecting block, a sliding plate, a through groove, a material taking mechanism, a material placing table and a deviation rectifying sensor. According to the utility model, the deviation condition of a diaphragm material is monitored in real time through the deviation correction sensor, related parts are driven by the first electric cylinder to carry out timely adjustment, the position accuracy of the diaphragm material in the lamination process is ensured, and meanwhile, the pole piece pressing strip mechanism is convenient for fixing and limiting the pole piece material and preventing the pole piece material from deviating, so that the lamination precision is improved, and the production efficiency is improved. The lamination precision is less than or equal to + / -0.2 mm; the slide seat is driven by the electric slide rail to move left and right, and the material taking mechanism adsorbs a pole piece material at the other end while discharging, laminating and laminating, so that the positive and negative pole materials can be quickly taken, discharged and laminated, the lamination speed is increased to 3S / piece, the lamination thickness is increased to 30mm, and the requirement of large-scale production is met.

Description

Technical Field

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

[0002] With the rapid development of new energy technologies, the market demand for lithium batteries, as an important energy storage device, continues to grow. In the production process of lithium batteries, the electrode stacking process is one of the key links that affects battery performance and quality.

[0003] Existing lithium battery electrode stacking machines often suffer from low stacking accuracy, low efficiency, and complex operation. For example, some machines struggle to ensure accurate alignment of the electrode and diaphragm during stacking, with stacking accuracy typically exceeding 0.5mm, which can easily lead to instability in the battery's internal structure. Other machines also have slow stacking speeds, typically exceeding 5s / sheet, and stack thicknesses less than 20mm, failing to meet the demands of large-scale production. Therefore, a lithium battery electrode stacking machine has been proposed. Utility Model Content

[0004] In view of this, the present invention hopes to provide a lithium battery pole piece stacking machine to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.

[0005] The technical solution of the embodiment of the utility model is achieved as follows: a lithium battery pole piece stacking machine includes a main body assembly, wherein the main body assembly includes an operating table, a partition, an electric slide rail, a sliding seat, a connecting block, a sliding plate, a through slot, a material taking mechanism, a material unloading table, a stacking mechanism, a mounting plate, a track, an adjustment plate, a support plate, a diaphragm mounting shaft, a bracket, a motor, an upper diaphragm guide roller, a lower diaphragm guide roller, a first electric cylinder and a correction sensor;

[0006] The upper and lower parts of the movable frame are fixedly connected to each other through the movable frame, and the movable frame is fixedly connected to the movable frame by the movable frame. The movable frame is fixedly connected to the movable frame by the movable frame. The movable frame is fixedly connected to the movable frame by the movable frame. A support plate is connected, and a diaphragm mounting shaft passes through one side of the front surface of the support plate, and a motor is fixedly connected to the side of the rear surface of the adjustment plate close to the diaphragm mounting shaft through a bracket, and the rear surface of the diaphragm mounting shaft is fixedly connected to the front surface of the motor, an upper diaphragm guide roller is provided on the upper part of the other side of the front surface of the support plate, and two lower diaphragm guide rollers are provided on the upper part of the other side of the front surface of the support plate, and the front surfaces of the diaphragm mounting shaft, the upper diaphragm guide roller and the lower diaphragm guide roller all pass through the upper part of the rear surface of the partition close to the mounting plate, and a first electric cylinder is fixedly connected to the middle part of the rear surface of the mounting plate, and the output end of the first electric cylinder is fixedly connected to the center of the rear surface of the adjustment plate, and a correction sensor is provided on the upper part of the front surface of the partition close to the lower diaphragm guide roller.

[0007] Further preferably, the material picking mechanism includes a second electric cylinder, a lifting seat, a material picking arm, a connecting frame and a material picking suction cup;

[0008] A second electric cylinder is fixedly connected to both sides of the upper surface of the sliding plate, the output end of the second electric cylinder is fixedly connected to a lifting seat, the middle part of the front surface of the lifting seat is fixedly connected to a material picking arm, and the front part of the lower surface of the material picking arm is fixedly connected to multiple material picking suction cups through a connecting frame.

[0009] Further preferably, the lamination mechanism includes a base plate, a pole piece pressing strip mechanism, a diaphragm pressing strip mechanism, a support column and a lamination platform;

[0010] A base plate is provided on the front of the upper surface of the operating table near the middle of the two unloading tables, and multiple electrode pressing strip mechanisms are provided on one side of the front and rear of the upper surface of the substrate, and a diaphragm pressing strip mechanism is provided on the other side of the front and rear of the upper surface of the substrate. The front and rear of both sides of the upper surface of the substrate are fixedly connected to the stacking table through support columns.

[0011] Further preferably, a diaphragm auxiliary roller is fixedly connected to the middle portion of the front surface of the sliding plate.

[0012] Further preferably, a plurality of positioning blocks are provided on the upper surface of the unloading table.

[0013] Further preferably, the upper and lower parts of both sides of the rear surface of the sliding plate are fixedly connected to sliding bases, the upper and lower parts of the front surface of the sliding plate near the through groove are fixedly connected to sliding bars, and the inner side wall of the sliding base is slidably connected to the outer side wall of the sliding bar.

[0014] Further preferably, both sides of the front surface of the sliding plate are fixedly connected to limit bars, and the inner side wall of the lifting seat is slidably connected to the outer side wall of the limit bar.

[0015] Further preferably, a protective shell is fixedly connected to the outer side of the rear surface of the partition.

[0016] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:

[0017] 1. The utility model uses a deviation correction sensor to monitor the deviation of the diaphragm material in real time, and uses the first electric cylinder to drive relevant components to make timely adjustments to ensure that the diaphragm material is accurately positioned during the lamination process. At the same time, the pole piece pressure strip mechanism facilitates the fixed position of the pole piece material to prevent the pole piece material from deflecting, thereby increasing the lamination accuracy to ≤±0.2mm;

[0018] 2. The utility model moves left and right through the sliding seat driven by the electric slide rail. The material-taking mechanism discharges the film laminate and absorbs the electrode material at the other end at the same time. It can quickly take out, discharge and laminate the positive and negative electrode materials, thereby improving the lamination speed and increasing the lamination speed to 3S / sheet. At the same time, the lamination thickness is increased to 30mm, thus meeting the needs of large-scale production.

[0019] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or technical descriptions. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 This is the overall structural diagram of the utility model;

[0022] Figure 2 This is a structural diagram of the electric slide rail and motor of the utility model;

[0023] Figure 3 This is a structural diagram of the diaphragm mounting shaft and motor of the utility model;

[0024] Figure 4 This is a structural diagram of the sliding plate and the material taking mechanism of the utility model;

[0025] Figure 5 For the utility model Figure 4 Another perspective structure diagram.

[0026] Reference numerals: 1, main assembly; 11, operating table; 12, partition; 13, electric slide rail; 14, sliding seat; 15, connecting block; 16, sliding plate; 17, through slot; 18, material taking mechanism; 19, material unloading platform; 20, lamination mechanism; 21, mounting plate; 22, track; 23, adjustment plate; 24, support plate; 25, diaphragm mounting shaft; 26, bracket; 27, motor; 28, upper diaphragm guide roller; 29, lower diaphragm Film guide roller; 30. First electric cylinder; 31. Correction sensor; 32. Second electric cylinder; 33. Lifting seat; 34. Pick-up arm; 35. Connecting frame; 36. Pick-up suction cup; 37. Base plate; 38. Pole piece pressure strip mechanism; 39. Diaphragm pressure strip mechanism; 40. Support column; 41. Lamination table; 42. Diaphragm auxiliary roller; 43. Positioning block; 44. Sliding base; 45. Sliding bar; 46. Limiting bar; 47. Protective shell. DETAILED DESCRIPTION

[0027] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0028] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0029] like Figure 1-Figure 5 As shown, the embodiment of the present invention provides a lithium battery pole piece stacking machine, including a main body assembly 1, the main body assembly 1 includes an operating table 11, a partition 12, an electric slide rail 13, a sliding seat 14, a connecting block 15, a sliding plate 16, a through slot 17, a material taking mechanism 18, a material unloading table 19, a stacking mechanism 20, a mounting plate 21, a track 22, an adjustment plate 23, a support plate 24, a diaphragm mounting shaft 25, a bracket 26, a motor 27, an upper diaphragm guide roller 28, a lower diaphragm guide roller 29, a first electric cylinder 30 and a correction sensor 31;

[0030] The middle part of the upper surface of the operating table 11 is fixedly connected with a partition 12, and the lower part of the rear surface of the partition 12 is fixedly connected with an electric slide 13. The output end of the electric slide 13 is fixedly connected to a sliding seat 14. The top of the sliding seat 14 is fixedly connected to a sliding plate 16 through a connecting block 15. A through groove 17 is provided on the rear surface of the partition 12 near the upper part of the electric slide 13. The front surface of the connecting block 15 passes through the interior of the through groove 17. A material-retrieving mechanism 18 is installed on both sides of the front surface of the sliding plate 16. A discharge platform 19 is provided at the front, a lamination mechanism 20 is provided near the middle of the two discharge platforms 19 on the front of the upper surface of the operating table 11, a mounting plate 21 is fixedly connected to the upper side of the through slot 17 on the rear surface of the partition 12, and an adjustment plate 23 is slidably connected to the upper side of the mounting plate 21 on both sides through a track 22, and a support plate 24 is fixedly connected to the front surface of the adjustment plate 23, and a diaphragm mounting shaft 25 is passed through one side of the front surface of the support plate 24, and a bracket is passed through the side of the rear surface of the adjustment plate 23 near the diaphragm mounting shaft 25. 26 is fixedly connected to the motor 27, the rear surface of the diaphragm mounting shaft 25 is fixedly connected to the front surface of the motor 27, an upper diaphragm guide roller 28 is provided on the upper part of the other side of the front surface of the support plate 24, and two lower diaphragm guide rollers 29 are provided on the upper part of the other side of the front surface of the support plate 24. The front surfaces of the diaphragm mounting shaft 25, the upper diaphragm guide roller 28 and the lower diaphragm guide roller 29 all pass through the rear surface of the partition 12 near the upper part of the mounting plate 21, and the middle part of the rear surface of the mounting plate 21 is fixedly connected to the first electric cylinder 30. The first electric cylinder 30 is fixedly connected to the middle part of the rear surface of the mounting plate 21. The output end of the cylinder 30 is fixedly connected to the center of the rear surface of the adjustment plate 23. A correction sensor 31 is provided on the front surface of the partition 12 near the upper part of the lower diaphragm guide roller 29. During the stacking process, the correction sensor 31 monitors the offset of the diaphragm material in real time, and drives the adjustment plate 23 to move back and forth through the first electric cylinder 30, thereby driving the diaphragm mounting shaft 25, the upper diaphragm guide roller 28 and the lower diaphragm guide roller 29 to move back and forth for timely adjustment, thereby ensuring that the diaphragm material is accurately positioned during the stacking process.

[0031] In one embodiment, specifically: the material picking mechanism 18 includes a second electric cylinder 32, a lifting seat 33, a material picking arm 34, a connecting frame 35 and a material picking suction cup 36;

[0032] The second electric cylinder 32 is fixedly connected to both sides of the upper surface of the sliding plate 16, and the output end of the second electric cylinder 32 is fixedly connected to the lifting seat 33. The middle part of the front surface of the lifting seat 33 is fixedly connected to the material picking arm 34, and the front part of the lower surface of the material picking arm 34 is fixedly connected to multiple material picking suction cups 36 through the connecting frame 35. The lifting seat 33 is driven up and down by the second electric cylinder 32, thereby driving the material picking arm 34 and the material picking suction cup 36 to move up and down, thereby facilitating the picking and discharging of materials.

[0033] In one embodiment, specifically: the lamination mechanism 20 includes a base plate 37, a pole piece pressing mechanism 38, a diaphragm pressing mechanism 39, a support column 40 and a lamination platform 41;

[0034] A base plate 37 is provided on the front of the upper surface of the operating table 11 near the middle of the two unloading tables 19, and a plurality of electrode pressing strip mechanisms 38 are provided on one side of the front and rear of the upper surface of the substrate 37, and a diaphragm pressing strip mechanism 39 is provided on the other side of the front and rear of the upper surface of the substrate 37. The front and rear of both sides of the upper surface of the substrate 37 are fixedly connected to the stacking table 41 through support columns 40. The electrode pressing strip mechanism 38 facilitates the fixed position of the electrode material placed on the stacking table 41 to prevent the electrode material from shifting and increase the stacking accuracy.

[0035] In one embodiment, specifically: a diaphragm auxiliary roller 42 is fixedly connected to the middle of the front surface of the sliding plate 16 , and the diaphragm is guided by the diaphragm auxiliary roller 42 .

[0036] In one embodiment, specifically: a plurality of positioning blocks 43 are provided on the upper surface of the unloading table 19 , and the positioning blocks 43 limit the position of the stage sheet material, thereby preventing the stage sheet material from sliding on the unloading table 19 and affecting the lamination accuracy.

[0037] In one embodiment, specifically: the upper and lower parts of both sides of the rear surface of the sliding plate 16 are fixedly connected with sliding bases 44, and the upper and lower parts of the front surface of the sliding plate 16 near the through groove 17 are fixedly connected with sliding bars 45, and the inner side wall of the sliding base 44 is slidably connected to the outer side wall of the sliding bar 45, and the inner side wall of the sliding base 44 on the sliding plate 16 slides along the outer side wall of the sliding bar 45, thereby limiting the sliding base 44, thereby increasing the stability of the movement of the sliding plate 16.

[0038] In one embodiment, specifically: both sides of the front surface of the sliding plate 16 are fixedly connected to the limiting bars 46, the inner side wall of the lifting seat 33 is slidably connected to the outer side wall of the limiting bar 46, and the inner side wall of the lifting seat 33 slides along the outer side wall of the limiting bar 46, thereby limiting the lifting seat 33 and increasing the stability of the movement of the lifting seat 33.

[0039] In one embodiment, specifically: a protective shell 47 is fixedly connected to the outer side of the rear surface of the partition 12, and the protective shell 47 is used to protect the equipment behind the partition 12.

[0040] When the utility model is working: the positive and negative electrodes to be laminated are placed on the two unloading tables 19 respectively, and the positioning blocks 43 are used for positioning to ensure that the materials are neat and stable. The diaphragm material is installed on the diaphragm installation shaft 25 and the diaphragm material is guided by the upper diaphragm guide roller 28, the lower diaphragm guide roller 29 and the diaphragm auxiliary roller 42. The first electric cylinder 30 is adjusted to keep the diaphragm material in an accurate position. During the lamination process, the deviation of the diaphragm material is monitored in real time by the deviation correction sensor 31, and timely adjustment is made by the first electric cylinder 30, so as to ensure that the diaphragm material is in an accurate position during the lamination process. The second electric cylinder 32 is started to drive the lifting seat 33 and the material picking arm 34 on one side of the sliding plate 16 to descend, so that the material picking suction cup 36 contacts and adsorbs the negative electrode. The material is moved up by the second electric cylinder 32, and the negative electrode material is lifted to a certain height to prepare for lamination. The sliding seat 14 is driven by the electric slide rail 13 to move left and right, thereby driving the negative electrode material taking mechanism 18 on one side of the sliding plate 16 to move to above the lamination mechanism 20. At the same time, the taking mechanism 18 on the side of the moving sliding plate 16 takes the positive electrode material, and the negative electrode material is placed on the lamination table 41 through the taking mechanism 18. At the same time, the electrode pressing mechanism 38 fixes the electrode to ensure that the electrode position is stable during the lamination process. When the sliding plate 16 moves left and right to take and discharge the material, the diaphragm material is timely covered between the positive and negative electrode sheets under the action of the diaphragm auxiliary roller 42 and the diaphragm pressing mechanism 39 to form a complete lamination structure.

[0041] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope of protection of the claims.

Claims

1. Lithium battery pole piece stacking machine, characterized by: The invention comprises a main body component (1), wherein the main body component (1) comprises an operating table (11), a partition (12), an electric slide rail (13), a sliding seat (14), a connecting block (15), a sliding plate (16), a through slot (17), a material taking mechanism (18), a material unloading platform (19), a laminating mechanism (20), a mounting plate (21), a track (22), an adjustment plate (23), a support plate (24), a diaphragm mounting shaft (25), a bracket (26), a motor (27), an upper diaphragm guide roller (28), a lower diaphragm guide roller (29), a first electric cylinder (30) and a deviation correction sensor (31); A partition (12) is fixedly connected to the middle of the upper surface of the operating table (11), an electric slide rail (13) is fixedly connected to the lower portion of the rear surface of the partition (12), an output end of the electric slide rail (13) is fixedly connected to a sliding seat (14), and the top of the sliding seat (14) is fixedly connected to a sliding plate (16) through a connecting block (15). A through groove (17) is provided on the rear surface of the partition (12) near the upper portion of the electric slide rail (13), and the front surface of the connecting block (15) passes through the interior of the through groove (17). A material taking mechanism (18) is installed on both sides of the front surface of the sliding plate (16), a material discharging platform (19) is provided on both sides of the front of the upper surface of the operating table (11), a laminating mechanism (20) is provided on the front of the upper surface of the operating table (11) near the middle of the two material discharging platforms (19), a mounting plate (21) is fixedly connected to the upper side of the rear surface of the partition (12) near the through groove (17), and an adjustment plate (23) is slidably connected to both sides of the upper surface of the mounting plate (21) through rails (22), and the adjustment plate (23) The front surface of the adjusting plate (23) is fixedly connected to a support plate (24), a diaphragm mounting shaft (25) is passed through one side of the front surface of the adjusting plate (23), a motor (27) is fixedly connected to the rear surface of the adjusting plate (23) near the diaphragm mounting shaft (25) through a bracket (26), the rear surface of the diaphragm mounting shaft (25) is fixedly connected to the front surface of the motor (27), an upper diaphragm guide roller (28) is provided on the upper part of the other side of the front surface of the supporting plate (24), and two lower guide rollers (28) are provided on the upper part of the other side of the front surface of the supporting plate (24). A diaphragm guide roller (29), the front surfaces of the diaphragm mounting shaft (25), the upper diaphragm guide roller (28) and the lower diaphragm guide roller (29) all pass through the rear surface of the partition (12) near the upper part of the mounting plate (21), a first electric cylinder (30) is fixedly connected to the middle of the rear surface of the mounting plate (21), the output end of the first electric cylinder (30) is fixedly connected to the center of the rear surface of the adjustment plate (23), and a correction sensor (31) is provided on the front surface of the partition (12) near the upper part of the lower diaphragm guide roller (29).

2. The lithium battery pole piece stacking machine according to claim 1, characterized in that: The material picking mechanism (18) includes a second electric cylinder (32), a lifting seat (33), a material picking arm (34), a connecting frame (35) and a material picking suction cup (36); A second electric cylinder (32) is fixedly connected to both sides of the upper surface of the sliding plate (16); an output end of the second electric cylinder (32) is fixedly connected to a lifting seat (33); a material picking arm (34) is fixedly connected to the middle of the front surface of the lifting seat (33); and a plurality of material picking suction cups (36) are fixedly connected to the front of the lower surface of the material picking arm (34) via a connecting frame (35).

3. The lithium battery pole piece stacking machine according to claim 1, characterized in that: The lamination mechanism (20) comprises a base plate (37), a pole piece pressing strip mechanism (38), a diaphragm pressing strip mechanism (39), a support column (40) and a lamination platform (41); A base plate (37) is provided on the front of the upper surface of the operating table (11) near the middle of the two unloading tables (19), a plurality of electrode pressing strip mechanisms (38) are provided on one side of the front and rear of the upper surface of the base plate (37), a diaphragm pressing strip mechanism (39) is provided on the other side of the front and rear of the upper surface of the base plate (37), and the front and rear of both sides of the upper surface of the base plate (37) are fixedly connected to the stacking table (41) through support columns (40).

4. The lithium battery pole piece stacking machine according to claim 1, characterized in that: A diaphragm auxiliary roller (42) is fixedly connected to the middle portion of the front surface of the sliding plate (16).

5. The lithium battery pole piece stacking machine according to claim 1, characterized in that: A plurality of positioning blocks (43) are provided on the upper surface of the discharge platform (19).

6. The lithium battery pole piece stacking machine according to claim 1, characterized in that: The upper and lower parts of both sides of the rear surface of the sliding plate (16) are fixedly connected to the sliding base (44), and the upper and lower parts of the front surface of the sliding plate (16) near the through groove (17) are fixedly connected to the sliding bar (45), and the inner side wall of the sliding base (44) is slidably connected to the outer side wall of the sliding bar (45).

7. The lithium battery pole piece laminating machine according to claim 2, characterized in that: Both sides of the front surface of the sliding plate (16) are fixedly connected to the limiting strips (46), and the inner side wall of the lifting seat (33) is slidably connected to the outer side wall of the limiting strip (46).

8. The lithium battery pole piece stacking machine according to claim 1, characterized in that: A protective shell (47) is fixedly connected to the outer side of the rear surface of the partition (12).

Images