CN219598220U

CN219598220U - Pole piece cutting machine for lithium battery

Info

Publication number: CN219598220U
Application number: CN202320796370.5U
Authority: CN
Inventors: 卢义胜; 赵俊伟; 周飞; 李传松
Original assignee: Hefei Zhonghe Power New Energy Technology Co ltd
Current assignee: Hefei Zhonghe Power New Energy Technology Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-08-29
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to the technical field of lithium battery processing, and discloses a pole piece splitting machine for a lithium battery, which comprises a main body, wherein the top end of the main body is fixedly connected with a hydraulic rod, one end of the hydraulic rod is fixedly connected with a cutter bracket, the inside of the cutter bracket is fixedly connected with a cross beam, and the inner side of the cutter bracket is rotationally connected with an upper ball screw and a lower ball screw. This kind of pole piece cutting machine for lithium cell drives ball screw and lower ball screw respectively through first servo motor and second servo motor and rotates, drives first minute cutter through last ball screw and slides on the crossbeam and change the interval, drives second minute cutter through lower ball screw and slides on the crossbeam and change the interval, also can change the distance between first minute cutter and the second minute cutter, reaches the distance between the accurate cutting blade that changes, and the rethread hydraulic lever promotes cutting device's reciprocates to realize cutting out the effect of not unidimensional pole piece, in order to satisfy the production demand of not unidimensional lithium cell.

Description

Pole piece cutting machine for lithium battery

Technical Field

The utility model relates to the technical field of lithium battery processing, in particular to a pole piece dividing and cutting machine for a lithium battery.

Background

The utility model provides a pole piece cutting machine for lithium cell is an automatic machine equipment that is used for cutting into certain size with the positive and negative pole piece of lithium cell, and the positive and negative pole piece of lithium cell is through coating and range upon range of technology preparation, needs to cut into appropriate size to follow-up battery assembly technology, and the pole piece cutting machine passes through cutting tool, realizes the accurate cutting to the pole piece.

The utility model discloses a pole piece splitting machine for a lithium battery, which relates to the technical field of lithium battery processing and particularly relates to a pole piece splitting machine for a lithium battery, and the pole piece splitting machine comprises a splitting machine, wherein a unwinding shaft is arranged in the splitting machine, a bidirectional screw is arranged at the top of the unwinding shaft, a servo motor is fixedly connected to the right end of the bidirectional screw, threads on the outer surface of the bidirectional screw are divided into a left section and a right section and have opposite spiral directions, push plates are sleeved on the external threads of the bidirectional screw, the number of the push plates is two and symmetrically distributed on two sides of the bidirectional screw, and the bottoms of the push plates are clamped outside the unwinding shaft. This pole piece cutting machine for lithium cell through set up two-way lead screw at the top of unreeling shaft, utilizes servo motor to drive two-way lead screw rotation, makes the push pedal rotatory along two-way lead screw, utilizes the pole piece removal on the push pedal promotion unreeling shaft, makes the pole piece be located the middle part of unreeling shaft all the time, guarantees equidistant cutting of pole piece.

In carrying out the present utility model, the inventors have found that at least the following problems exist in this technology: the size adjusting function of the lithium battery pole piece splitting machine is very important, because the pole piece sizes required by the lithium batteries of different types are different, the sizes of the pole pieces directly affect the performance and the capacity of the battery, if the splitting machine cannot accurately adjust the sizes, the performance and the quality of the lithium batteries are affected, the device does not have the function of adjusting the sizes, the production requirements of the lithium batteries of different sizes cannot be met, the high-speed rotating saw blade is required to be contacted with a workpiece in the splitting process of the lithium battery pole piece splitting machine, unsafe conditions can possibly occur even if the workpiece is not firmly fixed, the splitting precision and efficiency are affected, the fixing structure of the device is not stable enough, and potential safety hazards exist, so the device needs to be improved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a pole piece dividing and cutting machine for a lithium battery, which has the advantages of being capable of adjusting the size of a slice and accurately positioning and cutting, and solves the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a pole piece cutting machine for lithium cell, includes the main part, the top fixedly connected with hydraulic stem of main part, the one end fixedly connected with tool holder of hydraulic stem, the inside fixedly connected with crossbeam of tool holder, the inboard rotation of tool holder is connected with ball screw and lower ball screw, one side fixed surface of tool holder is connected with first servo motor and second servo motor, the output shaft of first servo motor and the one end fixed connection of last ball screw, the output shaft of second servo motor and the one end fixed connection of ball screw down, first branch cutter has been cup jointed on last ball screw's surface, second branch cutter has been cup jointed on lower ball screw's surface, first branch cutter and second branch cutter all with crossbeam sliding connection.

Preferably, the inside fixedly connected with base of main part, the both ends top of base all is provided with the fixed block, the inside rotation of main part is connected with the threaded rod, the fixed block rotates with the threaded rod to be connected, the bottom fixedly connected with cylindrical gear of threaded rod, the inside of main part is provided with the transfer line, the both ends and the cylindrical gear meshing of transfer line, the fixed surface of transfer line is connected with driven gear.

Preferably, the inner wall both sides of main part all are provided with first expansion plate and second expansion plate, the inside fixedly connected with material loading slope of main part.

Preferably, the surface of base has seted up a plurality of dust absorption hole, dust absorption pipeline has been seted up to the bottom of main part, dust absorption pipeline and the bottom fixed connection of base.

Preferably, an electric telescopic rod is fixedly connected to one side surface of the main body, and the electric telescopic rod is attached to one side surface of the winding drum.

Preferably, the inside fixedly connected with driving motor of main part, driving motor's output shaft fixedly connected with driving gear, driving gear and driven gear meshing.

Compared with the prior art, the utility model has the following beneficial effects:

1. this kind of pole piece cutting machine for lithium cell through being provided with ball screw, lower ball screw, first servo motor, second servo motor, first branch cutter, second branch cutter and crossbeam, drive ball screw and lower ball screw respectively through first servo motor and second servo motor and rotate, drive first branch cutter and slide the change interval on the crossbeam through last ball screw, drive second branch cutter and slide the change interval on the crossbeam through lower ball screw, also can change the distance between first branch cutter and the second branch cutter, thereby reach the distance between the accurate change cutting blade, the rethread hydraulic rod promotes the cutter support and realizes the reciprocates of whole cutting device, thereby realize cutting out the effect of not unidimensional pole piece, with the production demand of the lithium cell of different sizes is satisfied.

2. This kind of pole piece cutting machine for lithium cell, through being provided with the base, the fixed block, the threaded rod, cylindrical gear and driving motor, when the reel arrives on the base, start driving motor drives the driving gear and rotates, drive driven gear through the driving gear and rotate, thereby make the transfer line rotate, because transfer line both ends and cylindrical gear meshing, thereby drive cylindrical gear and rotate, make the threaded rod rotate, realize the fixed block and move down, reach the purpose of pressing from both sides tight reel, stability and security when having guaranteed the cutting, precision and efficiency that the improvement cut.

Drawings

FIG. 1 is a schematic front view of a structural body of the present utility model;

FIG. 2 is a schematic view of the internal cross-sectional structure of the present utility model;

FIG. 3 is a schematic rear view of the main body of the present utility model;

fig. 4 is a schematic view of a dust collection structure according to the present utility model.

In the figure: 1. a main body; 2. a hydraulic rod; 3. a cutter holder; 4. a ball screw is arranged; 5. a lower ball screw; 6. a first servo motor; 7. a second servo motor; 8. a first dividing knife; 9. a second dividing knife; 10. a reel; 11. a cross beam; 12. a base; 13. a fixed block; 14. a threaded rod; 15. a cylindrical gear; 16. a transmission rod; 17. a driven gear; 18. a drive gear; 19. a driving motor; 20. an electric telescopic rod; 21. a first expansion plate; 22. a second expansion plate; 23. a loading slope; 24. dust collection holes; 25. a dust collection pipeline.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a pole piece splitting machine for lithium battery, which comprises a main body 1, the top fixedly connected with hydraulic rod 2 of main part 1, the one end fixedly connected with tool holder 3 of hydraulic rod 2, the inside fixedly connected with crossbeam 11 of tool holder 3, the inboard rotation of tool holder 3 is connected with ball screw 4 and lower ball screw 5, one side fixed surface of tool holder 3 is connected with first servo motor 6 and second servo motor 7, the output shaft of first servo motor 6 and the one end fixed connection of last ball screw 4, the output shaft of second servo motor 7 and the one end fixed connection of lower ball screw 5, first cutter 8 has been cup jointed on the surface of last ball screw 4, cutter 9 has been cup jointed on the surface of lower ball screw 5, first cutter 8 and second cutter 9 all with crossbeam 11 sliding connection, drive ball screw 4 and lower ball screw 5 rotation respectively through first servo motor 6, drive first cutter 8 and change the interval on crossbeam 11 through last ball screw 5, drive second cutter 9 on crossbeam 11 sliding distance change, thereby realize that the size is different from each other with the cutter 3 is realized to the cutter, thereby realize the size is different to the cutter device is cut out to the size through the cutter 3.

Wherein; the inside fixedly connected with base 12 of main part 1, the both ends top of base 12 all is provided with fixed block 13, the inside rotation of main part 1 is connected with threaded rod 14, fixed block 13 rotates with threaded rod 14 to be connected, the bottom fixedly connected with cylindrical gear 15 of threaded rod 14, the inside of main part 1 is provided with transfer line 16, the both ends and the cylindrical gear 15 meshing of transfer line 16, the fixed surface of transfer line 16 is connected with driven gear 17 start driving motor 19 and drives driving gear 18 rotation, drive driven gear 17 through driving gear 18 and rotate, thereby make transfer line 16 rotate, because transfer line 16 both ends and cylindrical gear 15 meshing, thereby drive cylindrical gear 15 rotation, make threaded rod 14 rotate, realize fixed block 13 downwardly moving, reach the purpose of clamping reel 10, stability and security when having guaranteed the cutting, precision and efficiency are cut in the improvement.

Wherein; the inner wall both sides of main part 1 all are provided with first expansion plate 21 and second expansion plate 22, and the inside fixedly connected with material loading slope 23 of main part 1, the work piece of waiting to process can be deposited on the material loading slope 23, withdraws first expansion plate 21, and reel 10 can roll on the base 12 automatically and wait to process this moment, stretches out first expansion plate 21 again, then withdraws second expansion plate 22, and reel 10 continues the downward transmission to be blocked by first expansion plate 21.

Wherein; a plurality of dust collection holes 24 are formed in the surface of the base 12, a dust collection pipeline 25 is formed in the bottom of the main body 1, the dust collection pipeline 25 is fixedly connected with the bottom of the base 12, scraps can be generated during workpiece processing to affect subsequent use, and the scraps are collected into the dust collection pipeline 25 through the dust collection holes 24 formed in the base 12, so that the cleanness of a working platform is guaranteed.

Wherein; an electric telescopic rod 20 is fixedly connected to one side surface of the main body 1, the electric telescopic rod 20 is attached to one side surface of the winding drum 10, after the winding drum 10 is cut into sections, the electric telescopic rod 20 is started, the winding drum 10 is automatically pushed out, and automatic collection is completed.

Wherein; the inside fixedly connected with driving motor 19 of main part 1, driving motor 19's output shaft fixedly connected with driving gear 18, driving gear 18 and driven gear 17 meshing drive driving gear 18 through driving motor 19, improve work efficiency.

In use, according to the size required to be processed, the upper ball screw 4 and the lower ball screw 5 are respectively driven by the first servo motor 6 and the second servo motor 7 to rotate, the first slitting knife 8 is driven by the upper ball screw 4 to slide on the cross beam 11 to change the distance, the second slitting knife 9 is driven by the lower ball screw 5 to slide on the cross beam 11 to change the distance, the distance between the first slitting knife 8 and the second slitting knife 9 can also be changed, thus the distance between the cutting blades is accurately changed, the winding drum 10 to be processed is placed on the upper surface of the feeding slope 23, the first expansion plate 21 is retracted, the winding drum 10 automatically rolls onto the base 12 to wait for processing at the moment, the first expansion plate 21 is extended, the second expansion plate 22 is retracted, the winding drum 10 continues to be transmitted downwards and is blocked by the first expansion plate 21, when the winding drum 10 arrives at the base 12, the driving motor 19 is started to drive the driving gear 18 to rotate, the driven gear 17 is driven to rotate through the driving gear 18, so that the transmission rod 16 rotates, as the two ends of the transmission rod 16 are meshed with the cylindrical gear 15, the cylindrical gear 15 is driven to rotate, the threaded rod 14 rotates, the fixed block 13 moves downwards, the purpose of clamping the winding drum 10 is achieved, stability and safety in cutting are guaranteed, the hydraulic rod 2 is started to push the cutter support 3 to realize the up-and-down movement of the whole cutting device after fixing is completed, scraps generated during cutting can be collected into the dust collection pipeline 25 through the dust collection holes 24 formed in the base 12, the cleanness of a working platform is guaranteed, the cutter support 3 is retracted after cutting is completed, the fixing device is loosened, the electric telescopic rod 20 is started again, the winding drum 10 is automatically pushed out, and automatic collection is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pole piece cutting machine for lithium cell, includes main part (1), its characterized in that: the novel cutting tool comprises a main body (1), and is characterized in that a hydraulic rod (2) is fixedly connected to the top end of the main body (1), a cutter support (3) is fixedly connected to one end of the hydraulic rod (2), a cross beam (11) is fixedly connected to the inner side of the cutter support (3), an upper ball screw (4) and a lower ball screw (5) are rotatably connected to the inner side of the cutter support (3), a first servo motor (6) and a second servo motor (7) are fixedly connected to one side surface of the cutter support (3), an output shaft of the first servo motor (6) is fixedly connected with one end of the upper ball screw (4), an output shaft of the second servo motor (7) is fixedly connected with one end of the lower ball screw (5), a first sub-cutter (8) is sleeved on the surface of the upper ball screw (4), and a second sub-cutter (9) is sleeved on the surface of the lower ball screw (5), and both the first sub-cutter (8) and the second sub-cutter (9) are slidably connected with the cross beam (11).

2. The pole piece slitting machine for lithium batteries according to claim 1, wherein: the inside fixedly connected with base (12) of main part (1), the both ends top of base (12) all is provided with fixed block (13), the inside rotation of main part (1) is connected with threaded rod (14), fixed block (13) are connected with threaded rod (14) rotation, the bottom fixedly connected with cylindrical gear (15) of threaded rod (14), the inside of main part (1) is provided with transfer line (16), the both ends and the cylindrical gear (15) meshing of transfer line (16), the fixed surface of transfer line (16) is connected with driven gear (17).

3. The pole piece slitting machine for lithium batteries according to claim 1, wherein: the automatic feeding device is characterized in that a first expansion plate (21) and a second expansion plate (22) are arranged on two sides of the inner wall of the main body (1), and a feeding slope (23) is fixedly connected inside the main body (1).

4. The pole piece slitting machine for lithium batteries according to claim 2, wherein: the dust collection device is characterized in that a plurality of dust collection holes (24) are formed in the surface of the base (12), a dust collection pipeline (25) is formed in the bottom of the main body (1), and the dust collection pipeline (25) is fixedly connected with the bottom of the base (12).

5. The pole piece slitting machine for lithium batteries according to claim 1, wherein: an electric telescopic rod (20) is fixedly connected to one side surface of the main body (1), and the electric telescopic rod (20) is attached to one side surface of the winding drum (10).

6. The pole piece slitting machine for lithium batteries according to claim 2, wherein: the inside fixedly connected with driving motor (19) of main part (1), the output shaft fixedly connected with driving gear (18) of driving motor (19), driving gear (18) and driven gear (17) meshing.