A lithium-ion battery electrode assembly device and processing technology thereof

Abstract

The present invention discloses a pole piece assembly device for lithium-ion batteries and a processing process thereof, comprising a machine platform, a slide rail is installed on the table top of the machine platform, a battery box is installed on the slide rail, a side plate is provided at one end of the machine platform, a lifting mechanism is provided at the top of the side plate, the lifting mechanism comprises a fixed plate, a lifting plate, a guide rod and a cylinder, one end of the fixed plate is connected and fixed to the side plate through a clamping plate, the lifting plate is provided at the lower end of the fixed plate, guide rods are provided at both ends of the lifting plate, one end of the guide rod is inserted into a rod hole opened at both ends of the fixed plate, and the cylinder is installed in the middle of the fixed plate. The pole piece assembly device for lithium-ion batteries and the processing process thereof, the battery is loaded into the battery box, and the pole piece installation mechanism is driven to lift and lower by the lifting mechanism, so that the pole piece is loaded into the battery positioning hole on the battery box, and then the assembly with the battery is realized. Therefore, compared with the manual installation method, it has the advantages of high production efficiency, low assembly error rate, and continuous and uninterrupted production.

Description

Technical Field

[0001] The present invention relates to the technical field of lithium battery assembly production equipment, and in particular to a lithium ion battery pole piece assembly equipment and a processing process thereof. Background Art

[0002] As a green and environmentally friendly new energy source, lithium-ion batteries have the advantages of good reliability and high safety, and are therefore widely used in the fields of digital and electric products. As a component of lithium batteries, pole pieces play an extremely important role. At present, the assembly of pole pieces and batteries is mainly done manually, but manual assembly is laborious, inefficient, and cannot work uninterruptedly for a long time, resulting in low production efficiency, and therefore cannot meet the growing production needs. In addition, manual assembly is prone to errors, resulting in unqualified products, and lithium batteries cannot be used normally. Summary of the invention

[0003] The purpose of the present invention is to provide a pole piece assembly device for lithium-ion batteries and a processing process thereof. Batteries are loaded into a battery box, and a pole piece installation mechanism is driven to rise and fall by a lifting mechanism, so that the pole pieces are loaded into battery positioning holes on the battery box, and then assembled with the batteries. Therefore, compared with manual installation methods, this method has the advantages of high production efficiency, low assembly error rate, and continuous and uninterrupted production, and can solve the problems in the prior art.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a lithium-ion battery electrode assembly device, comprising a machine table, a slide rail is installed on the table top of the machine table, a battery box is installed on the slide rail, a side plate is provided at one end of the machine table, a lifting mechanism is provided at the top of the side plate, the lifting mechanism comprises a fixed plate, a lifting plate, a guide rod and a cylinder, one end of the fixed plate is connected and fixed to the side plate through a clamping plate, the lifting plate is arranged at the lower end of the fixed plate, guide rods are arranged at both ends of the lifting plate, one end of the guide rod is inserted into a rod hole opened at both ends of the fixed plate, the cylinder is installed at the middle of the fixed plate, and the piston rod of the cylinder passes through the fixed plate and is connected to the lifting plate;

[0005] A pole piece mounting mechanism is provided at the bottom of the lifting plate, and the pole piece mounting mechanism includes a cylinder, a cylinder cover, a ring plate, an inner cylinder and a sleeve. The cylinder is arranged in parallel outside the bottom of the lifting plate, the cylinder cover is covered on the top of the cylinder and is connected to the lifting plate through a threaded head, the ring plate is provided at the bottom of the cylinder, the inner cylinder is inserted into the cylinder, one end of the inner cylinder is connected to the bottom of the cylinder cover, the sleeve is sleeved on the other end of the inner cylinder, and one end of the sleeve is connected to the ring plate.

[0006] Preferably, the surface of the battery box is evenly arranged with battery positioning holes, the battery positioning holes correspond to the ring plate one by one, the ring plate is pressed on the battery box, and one end of the sleeve is connected to the battery positioning holes.

[0007] Preferably, screw holes are evenly arranged at the bottom of the lifting plate, the screw holes correspond to the thread heads one by one, and the thread heads are inserted into the screw holes and fixed by thread engagement.

[0008] Preferably, the clamping plate is attached to one end of the side plate, and both ends of the clamping plate extend out of the side plate. Bolt holes are provided at both ends of the clamping plate and the fixing plate, and bolts are inserted into the bolt holes for fastening.

[0009] Preferably, a hole is opened on the wall of the other end of the inner cylinder, and a Z-shaped clamp is installed in the hole through a rotating shaft. One end of the Z-shaped clamp extends out of the inner cylinder and is in contact with the sleeve, and the other end of the Z-shaped clamp extends into the inner cylinder. A torsion spring is provided between the Z-shaped clamp and the hole wall.

[0010] Preferably, a spring is provided between the cylinder and the ring plate, the spring is sleeved on one end of the sleeve, and both ends of the spring are respectively connected to the cylinder and the ring plate.

[0011] A processing method for a lithium-ion battery electrode assembly device comprises the following steps:

[0012] S1: Load the battery into the battery box and move the battery box to the bottom of the lifting mechanism;

[0013] S2: Remove the cylinder from the lifting plate, take out the inner cylinder, fill it with the pole piece, and then reinstall it on the lifting plate;

[0014] S3: Start the cylinder to drive the lifting plate down, so that the ring plate is pressed on the battery box;

[0015] S4: When the ring plate is pressed against the battery box, the sleeve moves toward the end of the inner cylinder, thereby contacting one end of the Z-shaped clamp;

[0016] S5: When one end of the Z-shaped clamp is lifted up, the Z-shaped clamp rotates, and the other end of the Z-shaped clamp falls down, and the pole piece falls out of the inner cylinder under gravity;

[0017] S6: After the pole piece passes through the sleeve, it enters the battery positioning hole through the ring plate and is assembled with the battery.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The electrode assembly equipment and processing technology for lithium-ion batteries, by filling the battery into the battery box, and the lifting mechanism drives the electrode installation mechanism to rise and fall, so that the electrode is filled into the battery positioning hole on the battery box, and then assembled with the battery. Therefore, compared with the manual installation method, it has the advantages of high production efficiency, low assembly error rate, and continuous and uninterrupted production.

[0020] 2. The pole piece assembly equipment and processing technology for lithium-ion batteries have the advantages of simple operation and convenient use, because the cylinder cover in the pole piece installation mechanism is connected to the lifting plate in the lifting mechanism through a threaded head, so the cylinder body can be easily removed, and the inner cylinder can be taken out and filled with pole pieces, and then reinstalled on the lifting plate.

[0021] 3. The electrode piece assembly equipment and processing technology for lithium-ion batteries are characterized in that a Z-shaped clamp is arranged on the side wall of the inner cylinder. When the electrode piece is loaded into the inner cylinder, the Z-shaped clamp, under the action of the torsion spring, makes the other end of the Z-shaped clamp extending into the inner cylinder block the electrode piece from falling out of the inner cylinder. When one end of the Z-shaped clamp extending out of the inner cylinder is lifted up by the sleeve, the Z-shaped clamp is rotated, and the other end of the Z-shaped clamp falls, and the electrode piece falls out of the inner cylinder under gravity. When the sleeve returns to its original position under the action of the spring, the Z-shaped clamp returns to its original position based on the action of the torsion spring, thereby blocking the other electrode piece from falling. This reciprocating process is repeated to realize automatic discharge of the electrode piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is the overall structure diagram of the present invention;

[0023] Figure 2 It is an assembly diagram of the clamping plate structure of the present invention;

[0024] Figure 3 It is an assembly diagram of the pole piece mounting mechanism of the present invention;

[0025] Figure 4 It is the internal structure diagram of the cylinder of the present invention;

[0026] Figure 5 It is a structural diagram of the Z-shaped card of the present invention.

[0027] In the figure: 1. machine table; 2. slide rail; 3. battery box; 31. battery positioning hole; 4. side plate; 5. lifting mechanism; 51. fixing plate; 511. rod hole; 52. lifting plate; 53. guide rod; 54. cylinder; 6. clamping plate; 7. pole piece mounting mechanism; 71. cylinder body; 72. cylinder cover; 73. ring plate; 74. inner cylinder; 75. sleeve; 8. threaded head; 9. screw hole; 10. bolt hole; 11. Z-type clamp; 12. torsion spring; 13. spring; 14. bolt. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-5 A lithium-ion battery electrode assembly device includes a machine table 1, a slide rail 2 is installed on the table top of the machine table 1, a battery box 3 is installed on the slide rail 2, a side plate 4 is provided at one end of the machine table 1, a lifting mechanism 5 is provided at the top of the side plate 4, the lifting mechanism 5 includes a fixed plate 51, a lifting plate 52, a guide rod 53 and a cylinder 54, one end of the fixed plate 51 is connected and fixed to the side plate 4 through a clamping plate 6, the lifting plate 52 is arranged at the lower end of the fixed plate 51, and guide rods 53 are provided at both ends of the lifting plate 52, one end of the guide rod 53 is inserted into a rod hole 511 opened at both ends of the fixed plate 51, and the cylinder 54 is installed in the middle of the fixed plate 51, and the piston rod of the cylinder 54 passes through the fixed plate 51 and is connected to the lifting plate 52.

[0030] In the above, since the bottom of the lifting plate 52 is evenly arranged with screw holes 9, the screw holes 9 correspond to the threaded heads 8 one by one, and the threaded heads 8 are inserted into the screw holes 9 and fixed by threaded engagement. Therefore, through this connection method, the disassembly and assembly of the cylinder 71 is convenient, and the cylinder 71 can be conveniently removed, and the inner cylinder 74 can be taken out and filled with the pole piece, and then reinstalled on the lifting plate 52, which has the advantages of simple operation and easy use.

[0031] The bottom of the lifting plate 52 is provided with a pole piece mounting mechanism 7, which includes a cylinder 71, a cylinder cover 72, a ring plate 73, an inner cylinder 74 and a sleeve 75. The cylinder 71 is arranged in parallel outside the bottom of the lifting plate 52, the cylinder cover 72 is covered on the top of the cylinder 71 and connected to the lifting plate 52 through a threaded head 8, the ring plate 73 is provided at the bottom of the cylinder 71, the inner cylinder 74 is inserted into the cylinder 71, one end of the inner cylinder 74 is connected to the bottom of the cylinder cover 72, and the sleeve 75 is sleeved on the other end of the inner cylinder 74. One end of the sleeve 75 is connected to the ring plate 73, and a hole is opened on the wall of the other end of the inner cylinder 74. A Z-shaped clamp 11 is installed in the hole through a rotating shaft. One end of the Z-shaped clamp 11 extends out of the inner cylinder 74 and is in contact with the sleeve 75. The other end of the Z-shaped clamp 11 extends into the inner cylinder 74. A torsion spring 12 is provided between the Z-shaped clamp 11 and the hole wall, and a spring 13 is provided between the cylinder body 71 and the ring plate 73. The spring 13 is sleeved on one end of the sleeve 75, and the two ends of the spring 13 are respectively connected to the cylinder body 71 and the ring plate 73.

[0032] In the above, when the cylinder 54 drives the lifting plate 52 to rise and fall, it will drive the cylinder 71 to rise and fall, and then drive the ring plate 73 to press on the battery box 3. At this time, the sleeve 75 moves toward the end of the inner cylinder 74 under the reverse force of the ring plate 73, thereby touching one end of the Z-shaped clamp 11. When one end of the Z-shaped clamp 11 is lifted, the Z-shaped clamp 11 is rotated. At the same time, the other end of the Z-shaped clamp 11 falls, and the pole piece falls out of the inner cylinder 74 under gravity; and when the cylinder 54 drives the lifting plate 52 to rise, it will drive the cylinder 71 to rise, and then drive the ring plate 73 to separate from the battery box 3. At this time, when the sleeve 75 returns to its original position under the action of the spring 13, the Z-shaped clamp 11 is returned to its original position based on the action of the torsion spring 12, thereby preventing the other pole piece from falling. This reciprocating process realizes the automatic discharge of the pole piece.

[0033] Since the battery positioning holes 31 are evenly arranged on the surface of the battery box 3, the battery positioning holes 31 correspond one to one with the ring plate 73, the ring plate 73 is pressed on the battery box 3, and one end of the sleeve 75 is connected to the battery positioning holes 31. Therefore, when the electrode falls out of the inner tube 74 and passes through the sleeve 75, it enters the battery positioning hole 31 through the ring plate 73, and is assembled with the battery.

[0034] Since the clamping plate 6 is attached to one end of the side plate 4, and both ends of the clamping plate 6 extend out of the side plate 4, bolt holes 10 are opened at both ends of the clamping plate 6 and the fixing plate 51, and bolts 14 are inserted into the bolt holes 10 for fastening, the assembly of the lifting mechanism 5 and the side plate 4 is achieved through a fixing method, which has the advantages of firm installation and convenient disassembly.

[0035] In order to better implement the processing flow of the electrode assembly equipment for lithium-ion batteries, this embodiment proposes a processing method for the electrode assembly equipment for lithium-ion batteries, including the following steps:

[0036] The first step: load the batteries into the battery box 3 and push the battery box 3 to the bottom of the lifting mechanism 5. After the pole pieces and the batteries are assembled, remove the battery box 3 so that another batch of batteries can be loaded into the box for assembly with the pole pieces.

[0037] Step 2: Remove the cylinder 71 from the lifting plate 52 , take out the inner cylinder 74 , fill it with pole pieces, and then reinstall it on the lifting plate 52 .

[0038] Step 3: Start the cylinder 54 to drive the lifting plate 52 downward, so that the ring plate 73 is pressed against the battery box 3. After a short period of time, start the cylinder 54 again to drive the lifting plate 52 upward, so that the ring plate 73 is separated from the battery box 3.

[0039] Step 4: When the ring plate 73 is pressed against the battery box 3 , the sleeve 75 moves toward the end of the inner cylinder 74 , thereby contacting one end of the Z-shaped clamp 11 .

[0040] Step 5: When one end of the Z-shaped clamp 11 is lifted up, the Z-shaped clamp 11 rotates, and the other end of the Z-shaped clamp 11 falls down, and the pole piece falls out of the inner cylinder 74 under gravity.

[0041] Step 6: After the pole piece passes through the sleeve 75, it enters the battery positioning hole 31 through the ring plate 73, and is assembled with the battery.

[0042] The electrode assembly equipment and processing technology for lithium-ion batteries are implemented by loading the battery into the battery box 3, and the lifting mechanism 5 drives the electrode installation mechanism 7 to lift and lower, so that the electrode is loaded into the battery positioning hole 31 on the battery box 3, and then assembled with the battery. Therefore, compared with the manual installation method, it has the advantages of high production efficiency, low assembly error rate, and continuous and uninterrupted production.

[0043] The pole piece assembly equipment and processing technology for lithium-ion batteries have the advantages of simple operation and convenient use, because the cylinder cover 72 in the pole piece installation mechanism 7 is connected to the lifting plate 52 in the lifting mechanism 5 through the threaded head 8, so the cylinder body 71 is easy to disassemble and assemble, and the cylinder body 71 can be conveniently removed, and the inner cylinder 74 can be taken out and filled with pole pieces, and then reinstalled on the lifting plate 52.

[0044] The electrode piece assembly equipment and processing technology for lithium-ion batteries are characterized in that a Z-shaped clamp 11 is arranged on the side wall of the inner cylinder 74. When the electrode piece is loaded into the inner cylinder 74, the Z-shaped clamp 11, under the action of the torsion spring 12, makes the other end of the Z-shaped clamp 11 extending into the inner cylinder 74 block the electrode piece from falling out of the inner cylinder 74. When one end of the Z-shaped clamp 11 extending out of the inner cylinder 74 is lifted up by the sleeve 75, the Z-shaped clamp 11 is rotated, the other end of the Z-shaped clamp 11 falls, and the electrode piece falls out of the inner cylinder 74 under gravity. When the sleeve 75 returns to its original position under the action of the spring 13, the Z-shaped clamp 11 is returned to its original position based on the action of the torsion spring 12, thereby blocking the other electrode piece from falling. This reciprocating process is repeated to achieve automatic discharge of the electrode piece.

[0045] In summary: the electrode assembly equipment and processing technology for lithium-ion batteries, through the battery box 3 is filled, and the lifting mechanism 5 drives the electrode installation mechanism 7 to rise and fall, so that the electrode is filled into the battery positioning hole 31 on the battery box 3, and then the assembly with the battery is realized. Therefore, compared with the manual installation method, it has the advantages of high production efficiency, low assembly error rate, and continuous and uninterrupted production, which can effectively solve the problems of the existing technology.

[0046] 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.

[0047] 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 electrode assembly device, comprising a machine (1), characterized in that: A slide rail (2) is installed on the table top of the machine (1), and a battery box (3) is installed on the slide rail (2). A side plate (4) is provided at one end of the machine (1), and a lifting mechanism (5) is provided at the top of the side plate (4). The lifting mechanism (5) comprises a fixed plate (51), a lifting plate (52), a guide rod (53) and a cylinder (54). One end of the fixed plate (51) is connected and fixed to the side plate (4) through a clamping plate (6). The lifting plate (52) is arranged at the lower end of the fixed plate (51). Guide rods (53) are provided at both ends of the lifting plate (52). One end of the guide rod (53) is inserted into a rod hole (511) provided at both ends of the fixed plate (51). The cylinder (54) is installed at the middle of the fixed plate (51), and a piston rod of the cylinder (54) passes through the fixed plate (51) and is connected to the lifting plate (52). A plurality of pole piece mounting mechanisms (7) are provided at the bottom of the lifting plate (52). The pole piece mounting mechanisms (7) include a cylinder (71), a cylinder cover (72), a ring plate (73), an inner cylinder (74) and a sleeve (75). The cylinder (71) is arranged in parallel outside the bottom of the lifting plate (52). The cylinder cover (72) is mounted on the top of the cylinder (71) and connected to the lifting plate (52) via a threaded head (8). The ring plate (73) is provided at the bottom of the cylinder (71). The inner cylinder (74) is inserted into the cylinder (71). One end of the inner cylinder (74) is connected to the bottom of the cylinder cover (72). The sleeve (75) is sleeved on the other end of the inner cylinder (74). One end of the sleeve (75) is connected to the ring plate (73). The surface of the battery box (3) is evenly arranged with battery positioning holes (31), the battery positioning holes (31) correspond to the ring plate (73) one by one, the ring plate (73) is pressed onto the battery box (3), and one end of the sleeve (75) is connected to the battery positioning hole (31); A hole is opened on the wall of the other end of the inner cylinder (74), and a Z-shaped clamp (11) is installed in the hole via a rotating shaft. One end of the Z-shaped clamp (11) extends out of the inner cylinder (74) and is in contact with and connected to the sleeve (75), and the other end of the Z-shaped clamp (11) extends into the inner cylinder (74). A torsion spring (12) is provided between the Z-shaped clamp (11) and the hole wall.

2. The electrode assembly equipment for lithium-ion batteries according to claim 1, characterized in that: The bottom of the lifting plate (52) is evenly arranged with screw holes (9), the screw holes (9) correspond to the thread heads (8) one by one, and the thread heads (8) are inserted into the screw holes (9) and fixed by thread engagement.

3. The electrode assembly equipment for lithium-ion batteries according to claim 1, characterized in that: The clamping plate (6) is attached to one end of the side plate (4), and both ends of the clamping plate (6) extend out of the side plate (4). Bolt holes (10) are provided at both ends of the clamping plate (6) and the fixing plate (51), and bolts (14) are inserted into the bolt holes (10) for fastening.

4. The electrode assembly equipment for lithium-ion batteries according to claim 1, characterized in that: A spring (13) is provided between the cylinder (71) and the ring plate (73). The spring (13) is sleeved on one end of the sleeve (75). Two ends of the spring (13) are respectively connected to the cylinder (71) and the ring plate (73).

5. A processing method for a lithium-ion battery electrode assembly device according to any one of claims 1 to 4, characterized in that: The following steps are involved: S1: Load the batteries into the battery box (3), and move the battery box (3) to the position directly below the lifting mechanism (5); S2: removing the cylinder (71) from the lifting plate (52), taking out the inner cylinder (74), filling it with the pole piece, and then reinstalling it on the lifting plate (52); S3: starting the cylinder (54) to drive the lifting plate (52) to descend, so that the ring plate (73) is pressed against the battery box (3); S4: When the ring plate (73) is pressed against the battery box (3), the sleeve (75) moves toward the end of the inner cylinder (74) so ​​as to contact one end of the Z-shaped clamp (11); S5: When one end of the Z-shaped clamp (11) is lifted up, the Z-shaped clamp (11) rotates, and the other end of the Z-shaped clamp (11) falls down, and the pole piece falls out of the inner cylinder (74) under gravity; S6: After the pole piece passes through the sleeve (75), it enters the battery positioning hole (31) through the ring plate (73) to be assembled with the battery.

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