A lithium-ion battery stacking machine

By designing an automated lithium-ion battery stacker, using components such as conveying rollers, motors, cylinders, etc., the material damage and error problems caused by manual placement in the lithium-ion battery stacker are solved, automatic coverage and cutting are achieved, and production is improved Efficiency and material protection.

CN112670593BActive Publication Date: 2025-01-10HUNAN JIUSEN NEW ENERGY CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202011530401.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-12-22
Publication Date
2025-01-10
Estimated Expiration
2040-12-22

AI Technical Summary

Technical Problem

The existing lithium-ion battery lamination machine has a complex structure, which leads to the need to manually place the positive electrode sheet, negative electrode sheet and thin film in production, which can easily cause material damage and errors.

Method used

A lithium-ion battery lamination machine including a support mechanism, a feeding mechanism, a pressure mechanism, a moving mechanism, a material withdrawing mechanism and a material discharge mechanism are designed, and the material discharge mechanism is passed through a conveying roller, a motor, a fixed block, a cylinder, a pressure chamber, a cutting head, and a spring. , servo motor, screw rod, slide rod, negative pressure fan, suction cup and other components realize automatic covering, placement and cutting of materials, avoiding manual contact.

Benefits of technology

Automatic coverage, placement and cutting without contacting the material is achieved, reducing manual errors, improving production efficiency and material protection, and reducing the risk of manual operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN112670593B_ABST
    Figure CN112670593B_ABST
Patent Text Reader

Abstract

The present invention relates to the field of stacking machines, in particular to a lithium-ion battery stacking machine, comprising an overall device, wherein a supporting mechanism for supporting a main body is provided at the bottom of the overall device, a feeding mechanism for feeding materials is provided at the top of the supporting mechanism, a pressure mechanism for stamping is provided at the top of the feeding mechanism, a moving mechanism for moving is provided at the bottom of the pressure mechanism, a picking mechanism for picking materials is provided on the outer wall of the moving mechanism, and a discharging mechanism for placing materials is provided at the bottom of the picking mechanism; the present invention enables a diaphragm to cover the surface of a material without contacting a worker through a conveying roller, a motor, and a fixing block, and can also place a positive electrode sheet and a negative electrode sheet together without the worker contacting the positive electrode sheet and the negative electrode sheet, and will not cause damage to the material through suction, thereby saving time and labor and reducing errors caused by manual placement.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the field of laminating machines, in particular to a lithium ion battery laminating machine. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as the negative electrode material and a non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage, and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have now become mainstream. At present, the production methods of lithium batteries in the industry are mainly winding and lamination processes.

[0003] The existing lithium-ion battery stacking machine has a complex structure, and in the production of lithium-ion batteries, workers need to manually place the positive electrode sheets, negative electrode sheets and films, which can easily cause damage to the materials, and manual placement can easily cause large errors. For this reason, we propose a lithium-ion battery stacking machine. Summary of the invention

[0004] The object of the present invention is to provide a lithium-ion battery stacking machine to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, a lithium-ion battery stacking machine includes an overall device, wherein a supporting mechanism for supporting the main body is provided at the bottom of the overall device, a feeding mechanism for feeding materials is provided at the top of the supporting mechanism, a pressure mechanism for stamping is provided at the top of the feeding mechanism, a moving mechanism for moving is provided at the bottom of the pressure mechanism, a picking mechanism for picking materials is provided on the outer wall of the moving mechanism, and a discharging mechanism for placing materials is provided at the bottom of the picking mechanism.

[0006] The supporting mechanism comprises a base, a column and a top plate, the top of the base is fixedly connected to the column, the top of the column is fixedly connected to the top plate, the feeding mechanism comprises a conveying roller, a motor and a fixed block, one side of the conveying roller is rotatably connected to the motor, the side of the motor away from the conveying roller is fixedly installed with a fixed block, one side of the fixed block is fixedly connected to the motor, the pressure mechanism comprises a cylinder, a pressure chamber, a cutter head, a spring and a pressure plate, the bottom of the cylinder is fixedly connected to the pressure chamber, the inner wall of the pressure chamber is fixedly installed with a cutter head, the cutter head is arranged in four groups in a square arrangement, the inner wall of the pressure chamber is fixedly installed with a spring, and the bottom of the spring is fixedly installed with a pressure plate, the moving mechanism comprises a servo motor, a screw rod and a sliding rod, one side of the servo motor is rotatably connected to the screw rod, one side of the servo motor is fixedly installed with a sliding rod, the servo motor is fixedly connected to the column, and the material taking mechanism It includes an outer shell, a second cylinder and a connecting cavity, the second cylinder is fixedly installed inside the outer shell, the connecting cavity is fixedly installed at the bottom of the second cylinder, the material picking mechanism includes a negative pressure fan, a hose and a connecting pipe, the hose is fixedly installed at the bottom of the negative pressure fan, the connecting pipe is fixedly installed at the bottom of the hose, the negative pressure fan and the outer shell are fixedly installed, the material picking mechanism includes a suction cup, a fixed rod and an air inlet, a fixed rod is fixedly installed on the inner wall of the suction cup, the air inlet is fixedly installed at the bottom of the fixed rod, the gas inside the hose can be transmitted to the fixed rod through the connecting pipe, the material discharging mechanism includes a workbench, a first placing table, a positive electrode sheet, a second placing table and a negative electrode sheet, a first placing table is arranged on one side of the workbench, a positive electrode sheet is arranged on the top of the first placing table, a second placing table is arranged on the side of the first placing table away from the workbench, and a negative electrode sheet is arranged on the top of the second placing table.

[0007] Compared with the prior art, the present invention has the following beneficial effects:

[0008] 1. The present invention uses a conveying roller, a motor and a fixing block to enable the diaphragm to cover the surface of the material without contacting the staff.

[0009] 2. The present invention can place the positive electrode sheet and the negative electrode sheet together without the staff touching the positive electrode sheet and the negative electrode sheet through the coordinated use of the shell, the second cylinder, the connecting chamber, the negative pressure fan, the hose, the connecting pipe, the suction cup, the fixing rod, the air inlet, the servo motor, the screw rod and the sliding rod, and will not cause damage to the materials through the suction force, thus saving time and labor and reducing the error of manual placement.

[0010] 3. The present invention can cut the diaphragm by using the cylinder, the pressure chamber, the cutter head, the spring and the pressure plate in coordination, thus avoiding manual contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a cross-sectional view of the front side of the present invention;

[0012] Figure 2 is a cross-sectional view of the back side of the present invention;

[0013] Figure 3 is a cross-sectional view of a pressing plate of the present invention;

[0014] Figure 4 It is a cross-sectional view of the material taking mechanism of the present invention;

[0015] Figure 5 is a cross-sectional view of the suction cup of the present invention;

[0016] Figure 6 It is a side sectional view of the housing of the present invention.

[0017] In the figure: 1. The equipment as a whole; 2. Support mechanism; 21. Base; 22. Column; 23. Top plate; 3. Feeding mechanism; 31. Conveying roller; 32. Motor; 33. Fixed block; 4. Pressure mechanism; 41. Cylinder; 42. Pressure chamber; 43. Cutting head; 44. Spring; 45. Pressure plate; 5. Moving mechanism; 51. Servo motor; 52. Screw rod; 53. Sliding rod; 6. Removing mechanism; 61. Shell; 62. Second cylinder; 63. Connecting chamber; 64. Negative pressure fan; 65. Hose; 66. Connecting pipe; 67. Suction cup; 68. Fixed rod; 69. Air inlet; 7. Discharging mechanism; 71. Workbench; 72. First placement table; 73. Positive electrode sheet; 74. Second placement table; 75. Negative electrode sheet. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-6 A lithium-ion battery stacking machine includes an overall device 1, a supporting mechanism 2 for supporting the main body is provided at the bottom of the overall device 1, a feeding mechanism 3 for feeding materials is provided at the top of the supporting mechanism 2, a pressure mechanism 4 for stamping is provided at the top of the feeding mechanism 3, a moving mechanism 5 for moving is provided at the bottom of the pressure mechanism 4, a picking mechanism 6 for picking materials is provided on the outer wall of the moving mechanism 5, and a discharging mechanism 7 for placing materials is provided at the bottom of the picking mechanism 6.

[0020] The supporting mechanism 2 includes a base 21 , a column 22 and a top plate 23 . The top of the base 21 is fixedly connected to the column 22 , and the top plate 23 is fixedly connected to the top of the column 22 .

[0021] The bottom is supported by the base 21, and the entire device is supported by the columns 22 and the top plate 23, so that the overall structure of the device is more stable.

[0022] The feeding mechanism 3 includes a conveying roller 31 , a motor 32 and a fixed block 33 . One side of the conveying roller 31 is rotatably connected to the motor 32 . The side of the motor 32 away from the conveying roller 31 is fixedly mounted with the fixed block 33 . One side of the fixed block 33 is fixedly connected to the motor 32 .

[0023] The conveying roller 31 is driven to move by the rotation of the motor 32, so that the conveying roller 31 can drive the diaphragm to move, so that the diaphragm can be covered in the middle of the positive and negative electrode sheets without the staff touching the diaphragm, thereby reducing the number of times the staff touches the material and avoiding certain errors.

[0024] The pressure mechanism 4 includes a cylinder 41, a pressure chamber 42, a cutter head 43, a spring 44 and a pressure plate 45. The bottom of the cylinder 41 is fixedly connected to the pressure chamber 42, the inner wall of the pressure chamber 42 is fixedly mounted with a cutter head 43, the cutter head 43 is arranged in four groups in a square, the inner wall of the pressure chamber 42 is fixedly mounted with a spring 44, and the bottom of the spring 44 is fixedly mounted with a pressure plate 45.

[0025] Among them, pressure can be applied to the bottom diaphragm through the pressure plate 45 so that the materials can be bonded together. When the pressure plate 45 squeezes the material, the spring 44 is forced to expand and contract. At this time, the cutter head 43 will slice the diaphragm around the material, thereby improving production efficiency.

[0026] The moving mechanism 5 includes a servo motor 51 , a lead screw 52 and a slide bar 53 . The lead screw 52 is rotatably connected to one side of the servo motor 51 , and the slide bar 53 is fixedly installed to one side of the servo motor 51 . The servo motor 51 is fixedly connected to the column 22 .

[0027] The housing 61 can be moved left and right through the coordinated movement of the servo motor 51, the lead screw 52 and the slide bar 53, so as to facilitate material removal.

[0028] The material taking mechanism 6 comprises a shell 61 , a second cylinder 62 and a connecting cavity 63 . The second cylinder 62 is fixedly installed inside the shell 61 , and the connecting cavity 63 is fixedly installed at the bottom of the second cylinder 62 .

[0029] The second cylinder 62 drives the connecting chamber 63 to move up and down so as to facilitate the taking of the positive electrode sheet 73 and the negative electrode sheet 75 at the bottom.

[0030] The material taking mechanism 6 comprises a negative pressure fan 64 , a hose 65 and a connecting pipe 66 . The hose 65 is fixedly installed at the bottom of the negative pressure fan 64 , the connecting pipe 66 is fixedly installed at the bottom of the hose 65 , and the negative pressure fan 64 and the housing 61 are fixedly installed.

[0031] The hose 65 is provided to prevent the connection chamber 63 from causing structural collapse when it moves up and down, and the negative pressure fan 64 is used to facilitate the removal of the positive electrode sheet 73 and the negative electrode sheet 75 at the bottom.

[0032] The material picking mechanism 6 includes a suction cup 67 , a fixing rod 68 and an air inlet 69 . The fixing rod 68 is fixedly installed on the inner wall of the suction cup 67 , and the air inlet 69 is fixedly installed on the bottom of the fixing rod 68 . The gas inside the hose 65 can be transmitted to the fixing rod 68 through the connecting pipe 66 .

[0033] The material is contacted by the suction cup 67 , and the wind discharged by the negative pressure fan 64 forms pressure on the material from the air inlet 69 , so that the material can stay on the suction cup 67 .

[0034] The discharge mechanism 7 includes a workbench 71, a first placement table 72, a positive electrode sheet 73, a second placement table 74 and a negative electrode sheet 75. The first placement table 72 is arranged on one side of the workbench 71, and the positive electrode sheet 73 is arranged on the top of the first placement table 72. The second placement table 74 is arranged on the side of the first placement table 72 away from the workbench 71, and the negative electrode sheet 75 is arranged on the top of the second placement table 74.

[0035] Among them, by placing the positive electrode sheet 73 and the negative electrode sheet 75 inside the device, manual contact is reduced and production efficiency is improved.

[0036] In this solution, the staff first places the diaphragm on the conveying roller 31, turns on the servo motor 51, the servo motor 51 drives the screw rod 52 by rotating, the screw rod 52 drives the housing 61 by rotating, the housing 61 performs linear motion on the slide bar 53, when the suction cup 67 reaches the top of the first placement platform 72, turns on the second cylinder 62, the second cylinder 62 drives the connecting chamber 63 to move downward, when the lower surface of the suction cup 67 contacts the first placement platform 72, turns on the negative pressure fan 64, the negative pressure fan 64 transmits wind force through the hose 65, and the wind force inside the hose 65 moves along the connecting pipe 66 The air is transmitted into the fixed rod 68, and then adsorbed on the top of the first placement platform 72 through the air inlet 69. At this time, the connecting chamber 63 is lifted up, and the suction cup 67 is moved to the top of the workbench 71 by moving the outer shell 61. At this time, the negative pressure fan 64 is closed to put down the first placement platform 72, and the cylinder 41 is opened to drive the pressure chamber 42 downward to punch, and the pressure chamber 42 drives the pressure plate 45 to move downward. When the pressure plate 45 contacts the top of the material, the spring 44 is forced to expand and contract, and the surrounding diaphragms are cut by the cutter head 43, so that the diaphragm can be placed between the positive and negative electrode sheets.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lithium-ion battery stacking machine, comprising a device as a whole (1), characterized in that: The bottom of the device as a whole (1) is provided with a support mechanism (2) for supporting the main body, the top of the support mechanism (2) is provided with a feeding mechanism (3) for feeding materials, the top of the feeding mechanism (3) is provided with a pressure mechanism (4) for stamping, the bottom of the pressure mechanism (4) is provided with a moving mechanism (5) for moving, the outer wall of the moving mechanism (5) is provided with a material taking mechanism (6) for taking materials, and the bottom of the material taking mechanism (6) is provided with a material placing mechanism (7) for placing materials; The pressure mechanism (4) comprises a cylinder (41), a pressure chamber (42), a cutter head (43), a spring (44) and a pressure plate (45); the bottom of the cylinder (41) is fixedly connected to the pressure chamber (42); the inner wall of the pressure chamber (42) is fixedly mounted with a cutter head (43); the cutter heads (43) are arranged in four groups in a square shape; the inner wall of the pressure chamber (42) is fixedly mounted with a spring (44); and the bottom of the spring (44) is fixedly mounted with a pressure plate (45).

2. A lithium-ion battery stacking machine according to claim 1, characterized in that: The support mechanism (2) comprises a base (21), a column (22) and a top plate (23); the top of the base (21) is fixedly connected to the column (22), and the top of the column (22) is fixedly connected to the top plate (23).

3. A lithium-ion battery stacking machine according to claim 1, characterized in that: The feeding mechanism (3) comprises a conveying roller (31), a motor (32) and a fixed block (33); one side of the conveying roller (31) is rotatably connected to the motor (32); the side of the motor (32) away from the conveying roller (31) is fixedly mounted with the fixed block (33); one side of the fixed block (33) is fixedly connected to the motor (32).

4. A lithium-ion battery stacking machine according to claim 1, characterized in that: The moving mechanism (5) comprises a servo motor (51), a screw rod (52) and a slide rod (53); one side of the servo motor (51) is rotatably connected to the screw rod (52); one side of the servo motor (51) is fixedly mounted with the slide rod (53); and the servo motor (51) is fixedly connected to the column (22).

5. A lithium-ion battery stacking machine according to claim 1, characterized in that: The material taking mechanism (6) comprises an outer shell (61), a second cylinder (62) and a connecting chamber (63); the second cylinder (62) is fixedly installed inside the outer shell (61), and the connecting chamber (63) is fixedly installed at the bottom of the second cylinder (62).

6. A lithium-ion battery stacking machine according to claim 5, characterized in that: The material taking mechanism (6) comprises a negative pressure fan (64), a hose (65) and a connecting pipe (66); the hose (65) is fixedly mounted on the bottom of the negative pressure fan (64); the connecting pipe (66) is fixedly mounted on the bottom of the hose (65); and the negative pressure fan (64) and the housing (61) are fixedly mounted.

7. A lithium-ion battery stacking machine according to claim 6, characterized in that: The material taking mechanism (6) comprises a suction cup (67), a fixing rod (68) and an air inlet (69); the fixing rod (68) is fixedly mounted on the inner wall of the suction cup (67); the air inlet (69) is fixedly mounted on the bottom of the fixing rod (68); and the gas inside the hose (65) can be transmitted to the fixing rod (68) through the connecting pipe (66).

8. The lithium-ion battery stacking machine according to claim 1, characterized in that: The material discharging mechanism (7) comprises a workbench (71), a first placement table (72), a positive electrode sheet (73), a second placement table (74) and a negative electrode sheet (75); the first placement table (72) is arranged on one side of the workbench (71); the positive electrode sheet (73) is arranged on the top of the first placement table (72); the second placement table (74) is arranged on the side of the first placement table (72) away from the workbench (71); the negative electrode sheet (75) is arranged on the top of the second placement table (74).

Citation Information

Patent Citations

  • Large capacity polymer lithium ion battery electricity core lamination machine

    CN208078123U

  • Lithium battery laminating machine

    CN209447962U