CN109365613B - A slicing device for lithium ion battery pole pieces or tabs - Google Patents

Abstract

The invention discloses slicing equipment for a lithium ion battery pole piece or pole lug, which comprises a machine table, wherein the machine table is provided with an upward horizontally arranged bearing surface for placing the pole piece or the pole lug, and further comprises a support arranged on the bearing surface, the support is provided with a horizontal mounting plate arranged above the bearing surface, the mounting plate is downwards provided with a telescopic device, the lower end of the telescopic device is connected with a slicing machine head, and the bottom surface of the slicing machine head is provided with a plurality of blades extending along the same direction at intervals. The cooling device reduces the possibility that the blade on the slicing end deforms due to heating, and keeps the integrity of the blade, so that the problems of burrs, material tearing and the like of a battery pole piece or a tab during slicing are reduced.

Description

A slicing device for lithium ion battery pole pieces or tabs

technical field

The invention belongs to the technical field of lithium battery production equipment, and particularly relates to a slicing device for lithium ion battery pole pieces or tabs.

Background technique

Lithium battery is the most widely used mobile power supply on the market. Lithium battery pole pieces or tabs are simply the core of the battery. The pole pieces or tabs of lithium batteries are generally divided into positive and negative electrodes. The negative base is generally copper foil, and also includes the ear, which is the part drawn from the electrode, and can only supply power to other devices through the lithium battery pole piece or the pole ear.

It is well known that in the production process of battery pole pieces or tabs, it needs to be sliced, and then the sliced pole pieces or tabs are assembled to complete the assembly of the entire lithium-ion battery. However, as the existing technology has higher and higher requirements for slicing accuracy, the blade of the cutter die is getting thinner and thinner. During the working process, the blade is easy to heat and deform, resulting in a low degree of fit at the knife edge, which makes the battery The pole pieces or tabs are prone to problems such as burrs and material pulling when slicing. At the same time, in the production process of lithium-ion batteries, the battery pole pieces or tabs will undergo a die-cutting process during the molding process. At present, the existing die-cutting dies are rapidly worn out, and the cutting knives need to be ground and repaired after slicing a certain number of times. During the slicing process of the pole piece or the pole lug, the surface of the cutter is easy to adhere to the dust foreign matter such as copper scraps and aluminum scraps brought by the pole piece or the metal base of the pole lug. The production efficiency is reduced, and the service life of the mold is shortened.

Chinese patent CN207787824U discloses a general punching equipment for lithium battery pole pieces, including a punching motor and a punching machine head, a single chip microcomputer is arranged above the punching motor, a transverse guide rail is arranged below the punching motor, and the outside of the punching motor is A machine frame is arranged, a hydraulic punch is arranged above the punching head, a feeding conveyor belt is arranged below the punching head, a waste recycling basket is arranged below the feeding conveyor belt, and both sides of the feeding conveyor belt are arranged A synchronous transmission wheel is provided, and an assembly pin shaft is arranged above the synchronous transmission wheel. The beneficial effect of the patent is that a large lithium battery pole piece raw material plate can be cut into nine lithium battery pole pieces at a time, which improves the cutting efficiency, and has strong shaping ability, which can prevent the lithium battery pole piece from skewing, and at the same time It has the function of recycling leftover materials, which can improve the efficiency of enterprises.

However, when the above-mentioned device is used, there are the following problems: 1. During the working process, the tool is easy to heat and deform, resulting in a low degree of fit at the knife edge, so that the battery pole pieces or tabs are prone to problems such as burrs and material pulling when slicing 2. The surface of the cutter is easy to adhere to the copper scraps, aluminum scraps and other dust foreign objects brought by the pole piece or the metal base of the pole lug. When the accumulation time is long, it is easy to cause the waste to be blocked, the feeding is not smooth, resulting in reduced production efficiency and mold The service life is shortened.

Therefore, how to provide a slicing device that is simple in structure, can be used for slicing pole pieces and tabs, and at the same time, can prevent the heating and deformation of the cutter, and improve the slicing accuracy, has become a technical problem to be solved by those skilled in the art.

SUMMARY OF THE INVENTION

In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is: how to provide a slicing device with a simple structure, which can be used for slicing pole pieces and tabs, and at the same time, can prevent the heating and deformation of the cutter, and improve the slicing accuracy.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: a slicing device for lithium ion battery pole pieces or tabs, including a machine, the machine has an upwardly placed donor piece or tab The horizontally arranged bearing surface also includes a bracket mounted on the bearing surface, the bracket has a horizontal mounting plate arranged above the bearing surface, and a telescopic device is installed downward on the mounting plate , the lower end of the telescopic device is connected with a slicer head, and the bottom surface of the slicer head is provided with a number of blades extending in the same direction at intervals, and it is characterized in that the slicer device also includes A cooling device used between the slicer heads and used to dissipate heat from the slicing end of the slicer heads.

In this way, push the slicer head to move up and down through the telescopic device, and manipulate the slicer head to move down to slice the pole pieces or tabs on the supporting surface. The blades on the bottom surface of the slicer head are cooled and dissipated, reducing the possibility of deformation of the blades on the slicer head due to heat, maintaining the integrity of the blades, and improving the slicing accuracy, thereby reducing the burrs of battery pole pieces or tabs during slicing , pull material and other issues.

Further, the telescopic device includes a cylinder body whose upper end is fixed to the mounting plate and is vertically arranged, the upper end is placed in the cylinder body, and the lower end extends below the cylinder body, and can extend along the cylinder body. A piston rod for axial movement of the cylinder body, the lower end of the piston rod is connected to the slicer head, and the piston rod is powered by an air pump.

In this way, a stable telescopic movement can be simply realized, installation and maintenance are easy, and the telescopic device of this type has a rapid telescopic action and quick response.

Further, the cooling device includes a blower, and also includes a rotating shaft vertically installed under the mounting plate and located on one side of the telescopic device, the rotating shaft is in driving connection with a motor mounted on the mounting plate, and the rotating shaft is A horizontally arranged adapter pipe is fixed below, one horizontal side of the adapter pipe is connected to the blower through a hose, and the other horizontal side of the adapter pipe is extended in the horizontal direction with a number of spray nozzles vertically connected to the adapter pipe. The air pipe is provided with several air injection holes on the top surface of the air injection pipe, and the projection of the slicer head in the vertical direction falls within the rotation range of the air injection pipe.

In this way, when the slicer head needs to be extended downward for slicing work, the motor rotates to control the horizontal rotation of the transfer tube and the jet tube, so that the jet tube turns out of the bracket, so that the slicer head can move down and machine Slice the pole pieces or tabs on the support surface of the table; after completing one slice of the pole pieces or tabs, control the slicer head to move up to a level higher than the jet tube, and then control the transfer tube and the jet tube to rotate through the motor To the bottom of the slicer head, and then start the blower to blow air, the air passes through the hose, the adapter tube and the jet pipe, and finally blows upward through the air jet hole to cool the slicer head. At the same time, because the present invention adopts the solution of cooling the slicer head by air jet, compared with the conventional water cooling method, it is not only easier to install, set and control, but also more easily realize the cooling of the slicer head on the surface. The adhered copper scraps, aluminum scraps and other dust foreign objects are blown off to avoid the influence of the attached objects on the secondary slicing accuracy, and make the slicing head have a longer service life.

Further, the lower end of the mounting plate is fixedly provided with a connecting shaft, the lower end of the connecting shaft is fixedly provided with a mounting platform with an enlarged horizontal section, the lower end of the mounting platform is fixedly provided with the motor, and the output shaft at the lower end of the motor is formed. the shaft.

In this way, the upper end of the connecting shaft can be fastened to the lower end of the mounting plate, and the horizontal section of the mounting table relative to the connecting shaft becomes larger, which can make the motor installation more stable and the structure stable and reliable.

Further, the blower is arranged on the upper surface of the mounting plate.

In this way, no additional space is occupied, space resources are saved, and the position of the hair dryer is on the installation board, which makes it more convenient to control and use the hair dryer.

Further, a waste circulation space is formed at the interval between two adjacent blades on the bottom surface of the slicer head, and the air injection pipe can be rotated until the air injection hole and the waste circulation space are in the same lead. vertical line.

In this way, the jet pipe blows air to the slicer head, and blows the waste chips generated by the operation of the slicer head out to the side of the slicer head through the waste circulation space, effectively blowing the waste chips that are easily attached to the surface of the slicer head. Clean up for a longer lifespan of the microtome head.

Further, the slicing equipment also includes a waste collection device, the waste collection device has a horizontal plate horizontally arranged below the air jet pipe and can block the bottom of the air jet pipe, and also has four end connections. The baffle with the edge of the horizontal plate and the other end extending upward, wherein the upper end of the baffle close to the side of the transfer pipe is connected with the transfer pipe to form a connecting baffle, and the baffle on the side away from the transfer pipe The upper end of the plate extends obliquely upward to the outside of the horizontal plate, and extends to a position higher than the slicer head to form an oblique baffle.

In this way, the jet pipe blows the waste to the side of the slicer head through the waste circulation space, and is blocked by the inclined baffle from the horizontal direction, so that the waste falls down to the horizontal plate, and the collection of waste is completed. , reduce the flying of waste and protect the environment.

Further, the air injection hole is an inclined hole provided obliquely upward along the direction of the inclined baffle plate when the air injection pipe rotates until the air injection hole and the waste circulation space are on the same vertical line.

In this way, when the jet tube rotates to the projection direction of the slicer head along the vertical direction, the jet tube will eject the air inside the jet tube in an oblique direction through the jet hole, so that the waste can be better circulated along the waste. The space is blown out to the outside of the slicer head, and the air jet holes are set obliquely in the direction of the inclined baffle, which can blow the waste to the inclined baffle, and then fall into the horizontal plate through the blocking of the inclined baffle, which can better Prevent debris from flying around.

Further, the slicing device further includes a controller, and after the air pump, the motor and the blower are electrically connected in parallel, they are then electrically connected to the controller.

In this way, through one controller, the switches of the air pump, the motor and the hair dryer can be controlled at the same time without disturbing each other, which is convenient and quick.

Further, the cooling device further includes an air ionizer mounted on the hose.

In this way, when the slicer head performs slicing work, the blade on the slicer head will have residual charge, and then the waste chips will be adsorbed on the blade, and an air ionizer is installed on the hose, which can make the wind in the hose electrified. It neutralizes the residual charge on the blade to achieve a better cleaning effect of the blade and improve the service life of the microtome head.

Description of drawings

FIG. 1 is a schematic structural diagram of the present invention when the waste collection device is not installed.

FIG. 2 is a schematic structural diagram of the cooling device of the present invention.

FIG. 3 is a schematic diagram of the circuit structure of the present invention.

FIG. 4 is a schematic structural diagram of the present invention when the waste collection device is installed.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings.

In specific implementation: as shown in Figures 1 to 4, a slicing device for lithium-ion battery pole pieces or tabs includes a machine 1, and the machine 1 has an upwardly placed donor piece or tab. The horizontally arranged supporting surface 11 further includes a bracket 2 mounted on the supporting surface 11, and the bracket 2 has a horizontal mounting plate 21 arranged above the supporting surface 11. The mounting plate 21 A telescopic device 3 is installed downward, the lower end of the telescopic device 3 is connected with a slicer head 4, and the bottom surface of the slicer head 4 is provided with several blades extending in the same direction at intervals. It also includes a cooling device 5 arranged between the support surface 11 and the slicer head 4 and used to dissipate heat from the slicing end of the slicer head 4 .

In this way, push the slicer head to move up and down through the telescopic device, and manipulate the slicer head to move down to slice the pole pieces or tabs on the supporting surface. The blades on the bottom surface of the slicer head are cooled and dissipated, reducing the possibility of deformation of the blades on the slicer head due to heat, maintaining the integrity of the blades, and improving the slicing accuracy, thereby reducing the burrs of battery pole pieces or tabs during slicing , pull material and other issues.

Wherein, the telescopic device 3 includes a cylinder body 31 whose upper end is fixed to the mounting plate 21 and is vertically arranged, and further includes a cylinder body 31 whose upper end is placed in the cylinder body 31, and a lower end that extends downwardly from the cylinder body 31, and A piston rod 32 that can move axially along the cylinder body 31, the lower end of the piston rod 32 is connected to the microtome head 4, and the piston rod 32 is powered by an air pump.

In this way, a stable telescopic movement can be simply realized, installation and maintenance are easy, and the telescopic device of this type has a rapid telescopic action and quick response.

The cooling device 5 includes a blower 51 , and also includes a rotating shaft 52 vertically installed under the mounting plate 21 and located on one side of the telescopic device 3 , the rotating shaft 52 and the motor mounted on the mounting plate 21 . 53 Transmission connection, a horizontally arranged adapter pipe 54 is fixed below the rotating shaft 52, one horizontal side of the adapter pipe 54 is connected to the blower 51 through a hose 55, and the other horizontal side of the adapter pipe 54 is in the horizontal direction A plurality of jet pipes 56 vertically communicated with the transfer pipe 54 are extended, and a plurality of jet holes 57 are provided on the top surface of the jet pipe 56. The projection of the slicer head 4 in the vertical direction falls into the air jet pipe 56. within the rotation range.

In this way, when the slicer head needs to be extended downward for slicing work, the motor rotates to control the horizontal rotation of the transfer tube and the jet tube, so that the jet tube turns out of the bracket, so that the slicer head can move down and machine Slice the pole pieces or tabs on the support surface of the table; after completing one slice of the pole pieces or tabs, control the slicer head to move up to a level higher than the jet tube, and then control the transfer tube and the jet tube to rotate through the motor To the bottom of the slicer head, and then start the blower to blow air, the air passes through the hose, the adapter tube and the jet pipe, and finally blows upward through the air jet hole to cool the slicer head. At the same time, because the present invention adopts the solution of cooling the slicer head by air jet, compared with the conventional water cooling method, it is not only easier to install, set and control, but also more easily realize the cooling of the slicer head on the surface. The adhered copper scraps, aluminum scraps and other dust foreign objects are blown off to avoid the influence of the attached objects on the secondary slicing accuracy, and make the slicing head have a longer service life.

Wherein, the lower end of the mounting plate 21 is fixedly provided with a connecting shaft 59, the lower end of the connecting shaft 59 is fixedly provided with a mounting table 58 with a larger horizontal cross section, the lower end of the mounting table 58 is fixedly provided with the motor 53, the motor The lower output shaft 53 forms the rotating shaft 52 .

In this way, the upper end of the connecting shaft can be fastened to the lower end of the mounting plate, and the horizontal section of the mounting table relative to the connecting shaft becomes larger, which can make the motor installation more stable and the structure stable and reliable.

Wherein, the blower 51 is arranged on the upper surface of the mounting plate 21 .

In this way, no additional space is occupied, space resources are saved, and the position of the hair dryer is on the bracket, which makes it more convenient to regulate and use the hair dryer.

Wherein, a waste circulation space is formed between two adjacent blades on the bottom surface of the slicer head 4, and the air injection pipe 56 can be rotated until the air injection hole 57 and the waste circulation space are in the same on the plumb line.

In this way, the jet pipe blows air to the slicer head, and blows the waste chips generated by the operation of the slicer head out to the side of the slicer head through the waste circulation space, effectively blowing the waste chips that are easily attached to the surface of the slicer head. Clean up for a longer lifespan of the microtome head.

Wherein, the slicing device further includes a waste collection device 6, the waste collection device 6 has a horizontal plate 61 horizontally arranged below the air jet pipe 56 and capable of blocking the bottom of the air jet pipe 56, and also has four One end of the baffle is connected to the edge of the horizontal plate 61 and the other end extends upward, wherein the upper end of the baffle close to the side of the adapter pipe 54 is connected to the adapter pipe 54 to form a connection baffle 62, away from the The upper end of the baffle plate on one side of the transition pipe 54 extends obliquely upward to the outside of the horizontal plate 61 , and extends to a position higher than the slicer head 4 to form an oblique baffle plate 63 . In FIG. 4, only the connecting baffle 62 and the oblique baffle 63 are shown, and the other two baffles are not shown.

In this way, the jet pipe blows the waste to the side of the slicer head through the waste circulation space, and is blocked by the inclined baffle from the horizontal direction, so that the waste falls down to the horizontal plate, and the collection of waste is completed. , reduce the flying of waste and protect the environment.

Wherein, the air injection hole 57 is an oblique hole provided obliquely upward along the direction of the inclined baffle plate 63 when the air injection pipe 56 rotates until the air injection hole 57 and the waste waste circulation space are on the same vertical line.

In this way, when the jet tube rotates to the projection direction of the slicer head along the vertical direction, the jet tube will eject the air inside the jet tube in an oblique direction through the jet hole, so that the waste can be better circulated along the waste. The space is blown out to the outside of the slicer head, and the air jet holes are set obliquely in the direction of the inclined baffle, which can blow the waste to the inclined baffle, and then fall into the horizontal plate through the blocking of the inclined baffle, which can better Prevent debris from flying around.

The cooling device further includes a controller 7, and the air pump, the motor 53 and the blower 51 are electrically connected in parallel and then electrically connected to the controller 7.

In this way, through one controller, the switches of the air pump, the motor and the hair dryer can be controlled at the same time without disturbing each other, which is convenient and quick.

Wherein, the slicing device further includes an air ionizer 8 , and the air ionizer 8 is installed on the hose 55 .

In this way, when the slicer head performs slicing work, the blade on the slicer head will have residual charge, and then the waste chips will be adsorbed on the blade, and an air ionizer is installed on the hose, which can make the wind in the hose electrified. It neutralizes the residual charge on the blade to achieve a better cleaning effect of the blade and improve the service life of the microtome head.

During implementation, the bottom of the machine table 1 is also provided with a number of legs 12 . In this way, the outriggers can support the machine.

During implementation, the telescopic device 3 may also have the following structure: the telescopic device 3 includes a cylinder block 31 whose upper end is fixed to the mounting plate 21 and is vertically arranged, and the inner wall surface of the cylinder block 31 has a The telescopic device 3 also includes a piston rod 32 that is threadedly connected to the inner wall of the cylinder 31. The upper end of the piston rod 32 is placed in the cylinder 31 and connected to a cylinder motor. The piston rod 32 The lower end is connected to the microtome head 4 . In this way, the telescopic device of the present invention can also use the lead screw structure to perform telescopic motion, and can precisely locate the position of the slicer head.

Claims (8)

1. A slicing device for a lithium ion battery pole piece or a pole lug, comprising a machine, the machine has a horizontally arranged supporting surface where an upward supply pole piece or a pole lug are placed, and also includes a support surface installed in the The bracket on the bearing surface, the bracket has a horizontal mounting plate arranged above the bearing surface, the mounting plate is downwardly installed with a telescopic device, and the lower end of the expansion device is connected with a slicer head, The bottom surface of the slicing head is provided with several blades extending in the same direction at intervals. A cooling device for heat dissipation at the slicing end of the machine head, the vertical section of the bracket is an inverted L-shaped structure; The telescopic device includes a cylinder body whose upper end is fixed to the mounting plate and is vertically arranged, the upper end is placed in the cylinder body, and the lower end extends below the cylinder body and can be along the axis of the cylinder body. A moving piston rod, the lower end of the piston rod is connected to the slicer head, and the piston rod is powered by an air pump; The cooling device includes a blower, and also includes a rotating shaft vertically installed under the mounting plate and located on one side of the telescopic device, the rotating shaft is connected with a motor mounted on the mounting plate in a driving connection, and a rotating shaft is fixed below the rotating shaft. A horizontally arranged transfer pipe, one horizontal side of the transfer pipe is connected to the blower through a hose, and the other horizontal side of the transfer pipe is extended along the horizontal direction with a plurality of jet pipes vertically communicated with the transfer pipe, so The top surface of the jet pipe is provided with several jet holes, and the projection of the slicer head in the vertical direction falls within the rotation range of the jet pipe. 2. A slicing device for a lithium ion battery pole piece or a pole lug according to claim 1, wherein the lower end of the mounting plate is fixedly provided with a connecting shaft, and the lower end of the connecting shaft is fixedly provided with a horizontal An installation platform with a larger cross-section, the motor is fixedly arranged at the lower end of the installation platform, and the output shaft at the lower end of the motor forms the rotating shaft. 3 . The slicing device for lithium ion battery pole pieces or tabs according to claim 1 , wherein the blower is arranged on the upper surface of the mounting plate. 4 . 4. A slicing device for lithium ion battery pole pieces or tabs as claimed in claim 1, characterized in that, wastes are formed at the interval between two adjacent blades on the bottom surface of the slicer head. In the chip circulation space, the air injection pipe can be rotated until the air injection hole and the waste chip circulation space are on the same vertical line. 5. A slicing device for lithium ion battery pole pieces or tabs according to claim 4, wherein the slicing device further comprises a waste collecting device, the waste collecting device has a horizontal arrangement The horizontal plate below the jet pipe and capable of blocking the bottom of the jet pipe also has four baffles with one end connected to the edge of the horizontal plate and the other end extending upward, wherein the baffle on one side of the transfer tube is close to the The upper end of the plate is connected with the transfer tube to form a connecting baffle, and the upper end of the baffle on the side away from the transfer tube extends obliquely upward to the outside of the horizontal plate, and extends above the slicer head to form a slope. bezel. 6. A slicing device for a lithium ion battery pole piece or a pole lug as claimed in claim 5, wherein the gas injection hole is a gas injection pipe rotated until the gas injection hole and the waste circulation space are in a position. On the same vertical line, the oblique holes are arranged obliquely upward along the direction of the oblique baffle. 7 . The slicing device for lithium ion battery pole pieces or tabs according to claim 6 , wherein the slicing device further comprises a controller, and the air pump, the motor and the blower are connected together. 8 . After the UMC is connected, it is then electrically connected to the controller. 8 . The slicing device for lithium ion battery pole pieces or tabs according to claim 1 , wherein the cooling device further comprises an air ionizer, and the air ionizer is mounted on the hose. 9 . superior.

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