CN116871399A - Lithium battery cover plate punching die - Google Patents

Abstract

The invention relates to a punching mold, in particular to a lithium battery cover punching mold. It is necessary to design a lithium battery cover punching mold that can prevent dust from flying around and ensure that the surrounding environment is clean and tidy. A lithium battery cover punching mold includes a mounting frame, a support column, a support plate, etc. The support column is symmetrically fixed on both sides of the bottom of the installation frame, and a support plate is fixed in the middle of the rear side of the top of the installation frame. The invention starts the servo motor to rotate forward, the material transport pulley assembly rotates forward to drive the lithium battery box to move backward to directly below the drilling machine, and then starts the drilling machine and the electric push rod. The telescopic rod of the electric push rod shortens and drives the lifting plate to move downward. , which causes the drilling machine to move downward to punch the cover plate. At the same time, the annular liquid spray pipe sprays cutting fluid on the drilling machine. The drilling machine punches the cover plate through the cutting fluid. The cutting fluid can prevent punching. The dust produced during the drilling process affects the surrounding environment, thereby ensuring that the surrounding environment is clean and tidy.

Description

A lithium battery cover punching mold

Technical field

The invention relates to a punching mold, in particular to a lithium battery cover punching mold.

Background technique

In the production process of lithium batteries, a lithium battery box is required. The top of the lithium battery box is equipped with a cover. Opening the cover can facilitate the placement of the lithium battery into the lithium battery box, but the cover needs to be punched for convenience. Subsequent installation of parts.

The Chinese patent with publication number CN215845890U discloses a punching device for the production of lithium battery boxes, which includes a bottom plate and a conveyor belt assembly. The conveyor belt assembly is installed on the top of the bottom plate. The bottom of the bottom plate is fixed with four sets of support legs distributed in an array. , a top plate is provided above the bottom plate, a support rod is fixedly connected between the bottom of the top plate and the bottom plate, an electric push rod is installed on the top plate, an upper motor is fixedly connected to the bottom of the electric push rod, and the power output end of the bottom of the upper motor is fixedly connected There is a drill bit, and a support plate is provided in the conveyor belt assembly. A support plate is fixedly connected between the support plate and the bottom plate. A lower motor is fixedly connected to the bottom of the bottom plate. Although the above patent can punch the cover plate, during the punching process, It will produce a large amount of dust flying around, affecting the surrounding environment.

The present invention aims to solve the problems existing in the above-mentioned patents. To this end, a lithium battery cover punching mold is proposed that can prevent dust from flying around and ensure that the surrounding environment is clean and tidy.

Contents of the invention

In order to overcome the shortcoming of the above-mentioned patent that although the cover plate can be punched, a large amount of dust will be generated during the punching process and affect the surrounding environment. The present invention provides a method that can prevent dust from flying around and ensure the surrounding environment. Clean and tidy lithium battery cover punching die.

The present invention is realized through the following technical approaches:

A lithium battery cover punching mold includes a mounting frame, a support column, a support plate, a lifting plate, an electric push rod and a drilling machine. Support columns are symmetrically fixed on the front and rear sides of the bottom of the mounting frame, and the top of the mounting frame There is a support plate fixed in the middle of the rear side, and a lifting plate is slidably connected to the middle of the support plate. A drilling machine for punching the cover plate is fixed and connected to the front side of the lifting plate. An electric motor is fixed in the middle of the outer rear side of the mounting frame. The push rod, the telescopic rod of the electric push rod is fixedly connected to the rear side of the lifting plate, and also includes a material transport mechanism and a liquid supply mechanism. The lifting plate is equipped with a liquid supply mechanism for spraying cutting fluid to prevent dust from appearing, and is mounted on the mounting bracket. A material transport mechanism is provided for driving the lithium battery box to move to the right.

Further explanation, the material transport mechanism includes a material transport belt assembly, a drive shaft and a servo motor. A drive shaft is symmetrically rotated between the front and rear sides of the mounting frame, and a transport material is connected between the middle parts of the drive shafts on the left and right sides. Belt assembly, the servo motor is fixed on the right side of the outer front side of the mounting frame, and the output shaft of the servo motor is fixedly connected to the front end of the right drive shaft.

Further explanation, the liquid supply mechanism includes an annular liquid spray pipe, a liquid supply pipe and a waste liquid tank. The front side of the bottom of the lifting plate is fixed with an annular liquid spray pipe for spraying cutting fluid on the drilling machine, and the top of the lifting plate is fixed with There is a liquid supply pipe used to discharge cutting fluid into the annular liquid spray pipe. The liquid outlet end of the liquid supply pipe is fixedly connected and connected with the front side of the annular liquid spray pipe. The middle part of the front and rear sides of the mounting frame is fixedly connected for cutting. The waste liquid tank is used to collect liquid. The waste liquid tank passes through the transport belt assembly, and the discharge end of the waste liquid tank passes through the front side of the installation frame.

Further explanation also includes a covering mechanism for blocking the spurting cutting fluid. The covering mechanism includes a covering cover, a movable rod, a movable plate, a U-shaped buffer rod, a first spring and a second spring. The lower part of the support plate is symmetrical left and right. The sliding type is connected with movable rods. The rear sides of the bottoms of the left and right movable rods are connected to the inside of the support plate. There are second springs connected to the front sides of the left and right movable rods for controlling the injected cutting fluid. The cover is for blocking. There is a hole in the middle of the top of the cover for the drilling machine to pass through. There are movable plates fixedly connected to the rear sides of the movable rods on the left and right sides. There is a U-shaped buffer rod slidingly connected in the middle of the movable plate. The top of the buffer rod is fixedly connected to the rear side of the bottom of the lifting plate, and a first spring is symmetrically connected between the rear side of the bottom of the lifting plate and the top of the movable plate.

Further description also includes a clamping mechanism for clamping and positioning the lithium battery box. The clamping mechanism includes a clamping frame, a buffer plate, a third spring, a pull wire, a fourth spring, a guide tube, a limit frame and a contact plate. , The lower parts of the left and right sides of the cover are slidably connected with clamping frames for clamping and fixing the lithium battery box. The outer sides of the clamping frames on both sides are slidingly equipped with buffer plates. The outer sides of the left and right buffer plates are There are four third springs evenly spaced connected to the outer sides of the clamping frames on the left and right sides respectively. The lower part of the outer rear side of the cover is symmetrically fixed with conduits, and the inner sides of the left and right buffer plates are fixed with pull wires. The tail ends of the left and right side pull wires pass through the left and right side ducts respectively. A contact plate is fixedly connected between the left and right side pull wire tail ends. The rear side of the inner side of the left and right side buffer plates is connected to the outer ends of the left and right side ducts respectively. There are four springs, and a limit frame for driving the contact plate to move upward is fixedly connected to the lower part of the front side of the support plate, and the limit frame corresponds to the contact plate.

Further explanation, it also includes a fixed rod and a sponge wheel. The fixed rod is installed on the right side of the bottom of the installation frame through welding connection. The fixed set in the middle of the fixed rod has a sponge wheel used to remove debris from the conveyor belt assembly. The sponge The wheel is in contact with the conveyor belt assembly.

Further description, a filter plate is also included, and a filter plate for filtering debris in the cutting fluid is fixed to the lower inner part of the waste liquid tank.

Further explanation, it also includes anti-skid plates, and the bottom ends of the four support columns are fixed with anti-skid plates.

The significant progress of the present invention lies in:

1. Start the servo motor to rotate forward. The conveying pulley assembly rotates forward to drive the lithium battery box to move backward to directly below the drilling machine. Then start the drilling machine and electric push rod. The telescopic rod of the electric push rod shortens and drives the lifting plate to move downward. , which causes the drilling machine to move downward to punch the cover plate. At the same time, the annular spray pipe sprays cutting fluid on the drilling machine. The drilling machine punches the cover plate through the cutting fluid. The cutting fluid can prevent punching. The dust produced during the drilling process affects the surrounding environment, thereby ensuring that the surrounding environment is clean and tidy.

2. Under the action of the covering mechanism, whenever the drilling machine moves downward to punch the cover plate, the operation of the covering mechanism can block the cutting fluid that is ejected during punching, preventing the cutting fluid from ejecting to the surrounding environment and affecting the environment. , thereby further ensuring that the surrounding environment is clean and tidy.

3. Under the action of the clamping mechanism, whenever the cover moves downward, the operation of the clamping mechanism can clamp and position the lithium battery box, which can prevent deviations in the position of the lithium battery box from affecting the accuracy of punching the cover. Thereby improving the accuracy of punching the cover plate.

Description of the drawings

Figure 1 is a schematic diagram of the three-dimensional structure of the present invention.

Figure 2 is a schematic three-dimensional structural diagram of the material transport mechanism and liquid supply mechanism of the present invention.

Figure 3 is a schematic three-dimensional structural diagram of the material transport mechanism of the present invention.

Figure 4 is a schematic three-dimensional structural diagram of the liquid supply mechanism of the present invention.

Figure 5 is a schematic three-dimensional structural diagram of the covering mechanism and clamping mechanism of the present invention.

Figure 6 is a schematic three-dimensional structural diagram of the covering mechanism of the present invention.

Figure 7 is a schematic three-dimensional structural diagram of the clamping mechanism of the present invention.

Figure 8 is a schematic three-dimensional structural diagram of the sponge wheel and filter plate of the present invention.

Among them: 1-mounting frame, 2-support column, 21-anti-skid plate, 22-support plate, 3-lift plate, 4-electric push rod, 5-drilling machine, 6-material transport mechanism, 61-material transport belt Components, 62-drive shaft, 63-servo motor, 7-liquid supply mechanism, 71-annular spray pipe, 72-liquid supply pipe, 73-waste tank, 8-covering mechanism, 81-covering cover, 82-movable Rod, 83-movable plate, 84-U-shaped buffer rod, 85-first spring, 86-second spring, 9-clamping mechanism, 91-clamping frame, 92-buffer plate, 93-third spring, 94 -Guard wire, 95-fourth spring, 96-conduit, 97-limiting frame, 98-contact plate, 10-fixing rod, 11-sponge wheel, 12-filter plate.

Detailed ways

First of all, it should be pointed out that in the various embodiments described, identical parts are provided with the same reference signs or the same component designations, wherein the disclosure contained in the entire description can be transferred to have the same reference signs. Or on the same component with the same component name. Selected positional descriptions in the description, such as upper, lower, lateral, etc., also refer to the directly described and illustrated figures and, in the event of a change in position, are transferred to the new position accordingly.

Example 1

A lithium battery cover punching mold includes a mounting frame 1, a support column 2, an anti-skid plate 21, a support plate 22, a lifting plate 3, an electric push rod 4, a drilling machine 5, a material transport mechanism 6 and a liquid supply mechanism 7. Please refer to Figures 1 to 4. Support columns 2 are installed symmetrically on both sides of the bottom of the mounting frame 1 through welding. Anti-skid plates 21 are fixed on the bottom ends of the four support columns 2. The mounting frame 1. A support plate 22 is installed in the middle of the rear side of the top through welding connection. A lifting plate 3 is slidably connected to the middle of the support plate 22. A drilling machine 5 is fixedly connected to the front side of the lifting plate 3. When the drilling machine 5 is started, At this time, the drilling machine 5 can punch the cover plate. The electric push rod 4 is installed in the middle of the outer rear side of the mounting frame 1 through bolt connection. The telescopic rod of the electric push rod 4 is fixedly connected to the rear side of the lifting plate 3. The lifting plate 3 is provided with a liquid supply mechanism 7. When the liquid supply mechanism 7 operates, the liquid supply mechanism 7 can spray out the cutting fluid to prevent dust from appearing. The mounting frame 1 is provided with a material transport mechanism 6. When the material transport mechanism 6 During operation, the material transport mechanism 6 can drive the lithium battery box to move to the right.

The material transport mechanism 6 includes a material transport belt assembly 61, a drive shaft 62 and a servo motor 63. Please refer to Figures 2 and 3. A drive shaft 62 is symmetrically rotated between the front and rear sides of the mounting frame 1. A conveying belt assembly 61 is connected between the middle parts of the driving shafts 62 on the left and right sides. The conveying belt assembly 61 is composed of two conveying rollers and a perforated conveying belt. The two conveying rollers are fixedly mounted on the left and right sides respectively. In the middle of the shaft 62, the perforated conveying belt is wound between the two conveying rollers. A servo motor 63 is installed on the right side of the outer front side of the mounting frame 1 through bolt connection. The output shaft of the servo motor 63 is connected to the right drive shaft 62. Front fixed connection.

The liquid supply mechanism 7 includes an annular liquid spray pipe 71, a liquid supply pipe 72 and a waste liquid tank 73. Please refer to Figures 2 and 4. An annular liquid spray pipe 71 is fixedly connected to the front side of the bottom of the lifting plate 3. When the cutting fluid When discharged into the annular liquid spray pipe 71, the annular liquid spray pipe 71 can spray the cutting fluid on the drilling machine 5. A liquid supply pipe 72 is fixedly connected to the top of the lifting plate 3, and the liquid outlet end of the liquid supply pipe 72 is connected to the annular The front side of the liquid spray pipe 71 is fixedly connected and connected. The liquid supply pipe 72 can discharge cutting fluid into the annular liquid spray pipe 71. A waste liquid tank 73 is installed in the middle of the front and rear sides of the mounting frame 1 through bolt connection. The waste liquid tank 73 passes through the conveying belt assembly 61. When the used cutting fluid falls, the waste liquid tank 73 can collect the cutting fluid. The discharge end of the waste liquid tank 73 penetrates the front side of the mounting frame 1.

First, connect the liquid supply pipe 72 to the cutting fluid externally, and then place the lithium battery box with the cover installed on the conveyor belt assembly 61 from the left side, start the servo motor 63 to rotate forward, and the servo motor 63 rotates forward to drive the right drive shaft 62 Forward rotation, the right drive shaft 62 rotates forward through the left drive shaft 62 to drive the conveying belt assembly 61 to rotate forward, the forward rotation of the conveying belt assembly 61 drives the lithium battery box to move to the right, and the lithium battery box moves to the right to the drilling machine 5 is directly below, turn off the servo motor 63, the conveyor belt assembly 61 stops driving the lithium battery box to move to the right, and then place the next lithium battery box on the conveyor belt assembly 61 from the left. At this time, start the drilling machine 5. Restart the telescopic rod of the electric push rod 4 to shorten, and the telescopic rod of the electric push rod 4 is shortened to drive the lifting plate 3 to move downward. The downward movement of the lifting plate 3 drives the drilling machine 5 to move downward, and the drilling machine 5 moves downward. When moving in contact with the cover plate on the lithium battery box, the drilling machine 5 punches the cover plate. At this time, the cutting fluid is discharged into the liquid supply pipe 72, and the liquid supply pipe 72 discharges the cutting liquid into the annular spray pipe. 71, the annular liquid spray pipe 71 sprays cutting fluid on the drilling machine 5, and the drilling machine 5 punches the cover plate through the cutting fluid. Due to the action of the cutting fluid, the drilling machine 5 can punch the cover plate. The hole effect is better, and the cutting fluid can prevent dust from affecting the surrounding environment during the punching process, thereby ensuring that the surrounding environment is clean and tidy. The used cutting fluid falls into the waste liquid tank 73, and the waste liquid tank 73 collects the cutting fluid. Collect, and the waste liquid tank 73 discharges the cutting fluid, that is, the collection container can be used to collect the discharged cutting fluid. Due to the function of the anti-skid plate 21, the device can be used more stably. When the cover plate is punched, the telescopic rod of the electric push rod 4 is started to extend and drive the lifting plate 3 to move upward and reset. The lifting plate 3 resets and drives the drilling machine 5 to move upward and reset. The drilling machine 5 resets and disengages from the cover plate. , close the electric push rod 4, stop discharging cutting fluid into the liquid supply pipe 72, and start the servo motor 63 to rotate forward again, which makes the next lithium battery box move to directly below the drilling machine 5, and you can continue to drill as above. The cover plate is punched. When all the cover plates on the lithium battery boxes are punched, close the drilling machine 5.

Example 2

On the basis of Embodiment 1, a covering mechanism 8 is also included. The covering mechanism 8 includes a covering cover 81, a movable rod 82, a movable plate 83, a U-shaped buffer rod 84, a first spring 85 and a second spring 86. Please refer to As shown in Figures 5 and 6, the lower part of the support plate 22 is connected with movable rods 82 in a symmetrical sliding manner. The rear sides of the movable rods 82 on the left and right sides are connected to the inner side of the support plate 22 with a second spring 86. A cover 81 is installed between the front sides of the side movable rods 82 through welding. When the cutting fluid is sprayed out, the cover 81 can block the spurting cutting fluid. There is a hole in the middle of the top of the cover 81 for drilling. The hole that the machine 5 passes through has a movable plate 83 fixedly connected between the rear sides of the movable rods 82 on the left and right sides. A U-shaped buffer rod 84 is slidably connected in the middle of the movable plate 83. The top of the U-shaped buffer rod 84 is connected to the lifting plate 3 The rear side of the bottom is installed through a welding connection. A first spring 85 set on the U-shaped buffer rod 84 is symmetrically connected between the rear side of the bottom of the lifting plate 3 and the top of the movable plate 83 .

A clamping mechanism 9 is also included. The clamping mechanism 9 includes a clamping frame 91, a buffer plate 92, a third spring 93, a pull wire 94, a fourth spring 95, a guide tube 96, a limit frame 97 and a contact plate 98. Please refer to As shown in Figures 5 and 7, the lower parts of the left and right sides of the cover 81 are slidably connected with clamping frames 91. When the clamping frames 91 move inward, the clamping frames 91 can clamp and fix the lithium battery box. , the left and right sides of the clamping frame 91 are slidingly equipped with buffer plates 92 , and four third springs 93 are connected to the outer sides of the left and right side buffer plates 92 and the left and right sides of the clamping frame 91 at even intervals. , the lower part of the outer rear side of the cover 81 is symmetrically installed with a conduit 96 through welding connection, and the left and right side buffer plates 92 are fixedly connected with pull wires 94 on the inner side and rear side, and the tail ends of the left and right side pull wires 94 pass through the left and right sides respectively. The conduit 96 has a contact plate 98 fixedly connected between the tail ends of the pull wires 94 on the left and right sides. A fourth spring 95 is connected between the inner side of the left and right buffer plates 92 and the outer ends of the left and right conduits 96 respectively. The support plate 22 The lower part of the front side is installed with a limit frame 97 through welding connection. The limit frame 97 corresponds to the contact plate 98. When the contact plate 98 moves downward and contacts the limit frame 97, the limit frame 97 can drive the contact plate 98 upward. move.

When the lifting plate 3 moves downward to drive the drilling machine 5 to move downward, the downward movement of the lifting plate 3 also drives the U-shaped buffer rod 84 to move downward, and the lifting plate 3 also drives the movable plate 83 downward through the first spring 85 Move, the movable plate 83 moves downward to drive the movable rod 82 to move downward, the second spring 86 is compressed, the movable rod 82 moves downward to drive the cover 81 to move downward, and the cover 81 moves downward to cover the lithium battery box. That is to say, the cover plate is covered. When the covering cover 81 moves downward and contacts the conveying belt assembly 61, the covering cover 81 stops moving downward. The covering cover 81 causes the movable rod 82 to stop moving downward, and the movable rod 82 causes the movable plate 83 to stop moving downward. Stop moving downward, the lifting plate 3 continues to move downward to compress the first spring 85, and the drilling machine 5 continues to move downward to punch the covered cover plate, and the covering cover 81 will eject the injection material during the punching process. The cutting fluid is blocked, and the blocked cutting fluid falls into the waste liquid tank 73 through the cover 81 . When the cover plate is punched, the lifting plate 3 moves upward to reset, driving the drilling machine 5 to move upward and reset, and the lifting plate 3 also causes the first spring 85 to stretch and reset, and then the lifting plate 3 drives the movement through the first spring 85 The plate 83 moves upward to reset, and the movable plate 83 moves upward and resets, driving the movable rod 82 to move upward and reset, and the second spring 86 is stretched and reset, and the movable rod 82 moves upward and resets, driving the cover 81 to move upward and reset, and the cover 81 resets and moves. The material belt assembly 61 is out of contact and does not cover the lithium battery box. In this way, cutting fluid can be prevented from erupting into the surrounding environment and thus further ensuring the cleanliness of the surrounding environment.

When the cover 81 moves downward, the downward movement of the cover 81 also drives the clamping frame 91 to move downward. The downward movement of the clamping frame 91 drives the buffer plate 92 to move downward. The downward movement of the buffer plate 92 drives the pull wire 94 to move downward. When moving downward, the pull wire 94 moves downward and drives the contact plate 98 to move downward. When the contact plate 98 moves downward and contacts the limit frame 97, the limit frame 97 drives the contact plate 98 to move upward. The contact plate 98 moves upward to drive the pull wire 94 upward. move, the pull wire 94 moves upward through the conduit 96 to drive the buffer plate 92 to move inward, the fourth spring 95 is compressed, the buffer plate 92 moves inward, and the third spring 93 drives the clamping frame 91 to move inward, and the clamping frame 91 moves inward. Moving in contact with the lithium battery box, the clamping frame 91 clamps and positions the lithium battery box, making the position of the lithium battery box more accurate. Due to the action of the third spring 93, the clamping frame 91 can be in close contact with the lithium battery box. At this time, the cover 81 is in contact with the conveying belt assembly 61 to cover the lithium battery box, the cover 81 stops moving downward, and the drilling machine 5 punches the cover plate. When the cover 81 moves upward and is reset, the cover 81 moves upward to drive the conduit 96 to move upward, the conduit 96 moves upward to drive the pull wire 94 to move upward, the pull wire 94 moves upward to drive the contact plate 98 to move upward, and the contact plate 98 moves upward to connect with the limiting frame. 97 is out of contact. Due to the action of the fourth spring 95, the buffer plate 92 moves outward and resets. The third spring 93 drives the clamping frame 91 to move outward and reset. The clamping frame 91 resets and disengages from the lithium battery box, and the buffer plate 92 The outward movement and reset drives the pull wire 94 to move outward and reset, and the pull wire 94 drives the contact plate 98 to move downward and reset. In this way, the position deviation of the lithium battery box can be prevented from affecting the accuracy of punching the cover plate, thereby improving the accuracy of punching the cover plate.

Example 3

On the basis of Embodiment 1 and Embodiment 2, a fixing rod 10 and a sponge wheel 11 are also included. Please refer to Figure 8. The fixing rod 10 is installed on the right side of the bottom of the mounting bracket 1 through welding connection. The fixing rod 10 A sponge wheel 11 is fixedly installed in the middle. The sponge wheel 11 is in contact with the material conveying belt assembly 61. When the material conveying belt assembly 61 rotates, the sponge wheel 11 can remove debris on the material conveying belt assembly 61.

It also includes a filter plate 12. Please refer to Figure 8. The filter plate 12 is fixedly connected to the inner lower part of the waste liquid tank 73. When the cutting fluid comes into contact with the filter plate 12, the filter plate 12 can filter the debris in the cutting fluid. .

When the conveyor belt assembly 61 rotates forward, the sponge wheel 11 can remove the debris on the conveyor belt assembly 61. In this way, a large amount of debris attached to the conveyor belt assembly 61 can be prevented from affecting the subsequent passage of cutting fluid. Ensure the normal use of the conveyor belt assembly 61.

When the cutting fluid falls into the waste fluid tank 73 , the cutting fluid contacts the filter plate 12 , the filter plate 12 filters the debris in the cutting fluid, and the cutting fluid that filters the debris is discharged through the waste fluid tank 73 . In this way, it can prevent the cutting fluid from being mixed with a large amount of debris and affect the subsequent processing, thus ensuring the normal subsequent processing of the cutting fluid.

Finally, it is necessary to note that: the above content is only used to help understand the technical solution of the present invention and cannot be understood as limiting the protection scope of the present invention; non-essential improvements and adjustments made by those skilled in the art based on the above content of the present invention , all belong to the scope of protection claimed by the present invention.

Claims (8)

1. The utility model provides a lithium cell apron cut-out press, including mounting bracket (1), support column (2), backup pad (22), lifter plate (3), electric putter (4) and drilling machine (5), both sides all bilateral symmetry rigid coupling has support column (2) around mounting bracket (1) bottom, the rigid coupling has backup pad (22) in the middle of backup pad (22) middle part slidingtype cross-under has lifter plate (3), lifter plate (3) front side fixed cross-under has drilling machine (5) that are used for punching a hole to the apron, mounting bracket (1) lateral surface middle part rigid coupling has electric putter (4), telescopic link and lifter plate (3) rear side fixed connection of electric putter (4), characterized by is provided with on lifter plate (3) and is used for preventing the feed mechanism (7) that appear cutting fluid blowout, be provided with on mounting bracket (1) and be used for driving lithium cell box fortune material mechanism (6) that moves to the right.

2. The lithium battery cover plate punching die according to claim 1, wherein the material conveying mechanism (6) comprises a material conveying belt assembly (61), a driving shaft (62) and a servo motor (63), the driving shaft (62) is connected between the front side and the rear side of the mounting frame (1) in a rotationally penetrating manner, the material conveying belt assembly (61) is connected between the middle parts of the driving shafts (62) on the left side and the right side, the servo motor (63) is fixedly connected to the right side of the outer front side of the mounting frame (1), and an output shaft of the servo motor (63) is fixedly connected with the front end of the driving shaft (62) on the right side.

3. The lithium battery cover plate punching die according to claim 2, wherein the liquid supply mechanism (7) comprises an annular liquid spraying pipe (71), a liquid supply pipe (72) and a waste liquid tank (73), the annular liquid spraying pipe (71) for spraying cutting liquid on a drilling machine (5) is fixedly connected to the front side of the bottom of the lifting plate (3), the liquid supply pipe (72) for discharging the cutting liquid into the annular liquid spraying pipe (71) is fixedly connected and communicated with the front side of the annular liquid spraying pipe (71) at the liquid outlet end of the liquid supply pipe (72), a waste liquid tank (73) for collecting the cutting liquid is fixedly connected between the middle parts of the front side and the rear side surface in the mounting frame (1), the waste liquid tank (73) penetrates through the material conveying belt assembly (61), and the discharge end of the waste liquid tank (73) penetrates through the front side of the mounting frame (1).

4. The lithium battery cover plate punching die as claimed in claim 3, further comprising a covering mechanism (8) for blocking the cutting fluid, wherein the covering mechanism (8) comprises a covering cover (81), a movable rod (82), a movable plate (83), a u-shaped buffer rod (84), a first spring (85) and a second spring (86), the movable rod (82) is connected with the lower part of the support plate (22) in a sliding mode in a penetrating manner in a bilateral symmetry manner, the second spring (86) is connected between the rear sides of the bottoms of the left and right movable rods (82) and the inner sides of the support plate (22), a covering cover (81) for blocking the cutting fluid, which is used for blocking the cutting fluid, is fixedly connected between the front sides of the left and right movable rods (82), a hole for the drilling machine (5) to pass through is formed in the middle of the top of the covering cover (81), the movable plate (83) is fixedly connected between the rear sides of the left and right movable rods (82), the u-shaped buffer rod (84) is fixedly connected with the middle of the movable plate (83), the top of the u-shaped buffer rod (84) is fixedly connected with the bottom rear side of the lifting plate (3), and the top side of the lifting plate (3) is fixedly connected with the left and right spring (85).

5. The lithium battery cover plate punching die of claim 4, further comprising a clamping mechanism (9) for clamping and positioning the lithium battery box, wherein the clamping mechanism (9) comprises a clamping frame (91), a buffer plate (92), a third spring (93), a stay wire (94), a fourth spring (95), a guide tube (96), a limiting frame (97) and a contact plate (98), the lower parts of the left side and the right side of the cover (81) are connected in a sliding manner, the clamping frame (91) for clamping and fixing the lithium battery box is connected in a penetrating manner, the buffer plate (92) is sleeved on the outer side of the left side and the right side of the clamping frame (91) in a sliding manner, four third springs (93) are uniformly arranged between the outer side faces of the buffer plate (92) and the outer side of the clamping frame (91) at intervals, the lower parts of the outer side and the rear side of the cover (81) are fixedly connected with guide tubes (96) in a bilateral symmetry manner, the rear sides of the inner side of the buffer plate (92) are fixedly connected with stay wires (94), the tail ends of the stay wires (94) penetrate through the guide tubes (96) on the left side and the right side respectively, the tail ends of the stay wires (94) on the left side and the right side are fixedly connected with the inner sides of the buffer plate (95) on the left side and the rear sides of the buffer plate (95), and a limiting frame (97) for driving the contact plate (98) to move upwards is fixedly connected to the lower part of the front side surface of the supporting plate (22), and the limiting frame (97) corresponds to the contact plate (98).

6. The lithium battery cover plate punching die according to claim 5, further comprising a fixing rod (10) and a sponge wheel (11), wherein the fixing rod (10) is arranged on the right side of the bottom of the mounting frame (1) in a welded connection mode, the sponge wheel (11) for removing scraps on the material conveying belt assembly (61) is fixedly sleeved in the middle of the fixing rod (10), and the sponge wheel (11) is in contact with the material conveying belt assembly (61).

7. The lithium battery cover plate punching die according to claim 6, further comprising a filter plate (12), wherein the filter plate (12) for filtering scraps in the cutting fluid is fixedly connected to the lower portion of the inner side of the waste liquid tank (73).

8. The lithium battery cover plate punching die according to claim 7, further comprising a antiskid plate (21), wherein the antiskid plate (21) is fixedly connected to the bottom ends of the four support columns (2).