CN113263092A

CN113263092A - Automatic die stamping machine for lithium battery shell

Info

Publication number: CN113263092A
Application number: CN202110678723.7A
Authority: CN
Inventors: 刘田凤
Original assignee: Shenzhen Estek Automation Control Technology Co ltd
Current assignee: Shenzhen Estek Automation Control Technology Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-08-17

Abstract

The invention discloses an automatic die stamping machine for a lithium battery shell, which is provided with a feeding mechanism, a die stamping mechanism and a slitting and blanking mechanism, wherein the die stamping mechanism is positioned between the feeding mechanism and the slitting and blanking mechanism; the feeding mechanism is provided with a feeding motor component, a tension component, a material pressing air cylinder component and a feeding rack; the feeding motor assembly, the tension assembly and the pressing air cylinder assembly are arranged on the feeding rack; the die stamping mechanism is provided with a die stamping machine, a guide plate assembly and a die stamping machine frame; the die stamping machine and the guide plate assembly are arranged on the die stamping machine frame; the slitting and blanking mechanism is provided with a longitudinal slitting assembly, a transverse slitting assembly, a pulling assembly and a blanking rack; the blanking machine frame is provided with a guide rail and a blanking groove, and the longitudinal slitting assembly, the transverse slitting assembly and the pulling assembly are arranged on the guide rail; the automatic punching and cutting machine can realize automatic punching and cutting operation, is simple to operate, has high operation efficiency and has good market application value.

Description

Automatic die stamping machine for lithium battery shell

Technical Field

The invention relates to the field of industrial production, in particular to the field of die cutting of products.

Background

In the existing industrial production process, the stamping process generally cuts raw materials into proper sizes and then performs punch forming through a stamping machine, if the size of a workpiece needing stamping is small, the cut raw materials are difficult to convey, position and the like, and the working efficiency of stamping each raw material one by one is low; the invention discloses an automatic die stamping machine for a lithium battery shell, which is used for stamping a workpiece with a relatively small volume, and then cutting the stamped workpiece into a proper size through a fixed-width cutting machine and a fixed-length cutting machine; compared with the prior art of cutting before punching, the invention firstly punches the die and then cuts, not only can solve the problem of difficulty in conveying and positioning after cutting, but also improves the working efficiency of the punching die.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides an automatic die stamping machine for a lithium battery shell, which is provided with a feeding mechanism, a die stamping mechanism and a slitting and blanking mechanism, wherein the die stamping mechanism is positioned between the feeding mechanism and the slitting and blanking mechanism; the feeding mechanism is provided with a feeding motor component, a tension component, a material pressing air cylinder component and a feeding rack; the feeding rack is a cuboid, and the feeding motor assembly is mounted on the bottom surface of the feeding rack; the tension assembly is mounted on the feeding rack, the feeding end of the tension assembly is positioned in the feeding rack, and the discharging end of the tension assembly is positioned on the upper surface of the feeding rack; the material pressing air cylinder assembly is arranged on the feeding rack and is positioned behind the discharge end of the tension assembly; the die stamping mechanism is provided with a die stamping machine, a guide plate assembly and a die stamping machine frame; the stamping die rack is a cuboid, and the stamping die and the guide plate assembly are arranged on the stamping die rack; the guide plate assembly is provided with a first guide plate and a second guide plate, the first guide plate is positioned in front of the feeding end of the die stamping machine, and the second guide plate is positioned behind the discharging end of the die stamping machine; the slitting and blanking mechanism is provided with a longitudinal slitting assembly, a transverse slitting assembly, a pulling assembly and a blanking rack; the blanking machine frame is provided with a guide rail and a blanking groove, and the longitudinal slitting assembly, the transverse slitting assembly and the pulling assembly are arranged on the guide rail; the guide rails are arranged on the upper surface of the blanking frame and are positioned on two sides of the blanking groove; the longitudinal cutting assembly is positioned behind the second guide plate, the transverse cutting assembly is positioned behind the longitudinal cutting assembly, and the pulling assembly is positioned behind the transverse cutting assembly.

Preferably, the feeding mechanism is provided with a feeding motor assembly, a tension assembly, a material pressing air cylinder assembly and a feeding rack; the feeding motor assembly conveys the raw materials to the tension assembly, and the raw materials stretch through the tension assembly and ensure stable conveying speed; raw and other materials get into the material of pressing cylinder subassembly behind the tension subassembly, if the material of raw and other materials is softer, the material of pressing cylinder subassembly can guarantee that the process raw and other materials extend and expand, the fold phenomenon does not appear.

Preferably, the material pressing cylinder assembly is provided with a supporting seat, a material pressing cylinder frame and a material pressing plate; the supporting seat is mounted on the feeding rack, and the material pressing cylinder frame is mounted on the supporting seat; the material pressing cylinder is arranged on the material pressing cylinder frame; the material pressing plate is connected with the material pressing cylinder, and the material pressing rod is positioned above the supporting seat; after the raw material enters the material pressing cylinder assembly from the tension assembly, the raw material passes through the supporting seat and the material pressing plate; according to the thickness of raw materials, the pressing cylinder drives the pressing plate to move, the distance between the supporting seat and the pressing plate is adjusted to be slightly larger than the thickness of the raw materials, and the raw materials are enabled to be completely expanded after passing through the pressing cylinder assembly.

Preferably, the die mechanism is provided with a die machine, a guide plate assembly and a die frame; the guide plate assembly is provided with a first guide plate and a second guide plate, the first guide plate is positioned in front of the feeding end of the die stamping machine, and the second guide plate is positioned behind the discharging end of the die stamping machine; the guide plates position the raw materials at two ends of the die stamping machine, so that the raw materials are prevented from being displaced in the die stamping process; the punching machine punches and shapes the raw materials.

Preferably, the punching machine is provided with an upper pressurizing cylinder assembly, an upper die sliding plate, an upper support column, a die bottom plate, a fixing plate, a lower die top plate, a lower support column, a push rod and a lower air cylinder assembly; the fixed plate is arranged on the stamping die rack, a hole is formed in the fixed plate, the fixed plate is rectangular, one end of the upper support column is arranged at four corners of the upper surface of the fixed plate, and the upper pressurizing air cylinder assembly is arranged at the other end of the upper support column; the upper die sliding plate is arranged on the upper support column, and a first linear bearing is arranged at the connecting position of the upper die sliding plate and the upper support column; the upper pressurizing air cylinder component is connected with the upper die sliding plate; the die bottom plate is arranged on the fixed plate and is positioned between the fixed plate and the upper die sliding plate; one end of the lower support is mounted at four corners of the lower surface of the fixing plate, the lower cylinder assembly is mounted at the other end of the lower support, the lower die top plate is mounted on the lower support, and a second linear bearing is arranged at the connecting position of the lower die top plate and the lower support; one end of the ejector rod is connected with the die bottom plate, and the other end of the ejector rod is connected with the lower die top plate; the ejector rod penetrates through the hole of the fixing plate; the upper pressurizing air cylinder component pushes the upper die sliding plate to move up and down along the upper support column, and the raw material is extruded between the upper die sliding plate and the die bottom plate; the lower cylinder assembly applies upward acting force to the lower die top plate, the blanking top plate applies upward acting force to the die bottom plate through the ejector rod, and the upper die sliding plate and the die bottom plate are prevented from shifting in the extrusion process.

Preferably, the guide plate assembly is provided with a first guide plate and a second guide plate; the first guide plate is provided with support legs, a flat plate, a sliding block and butterfly nuts; the supporting legs are arranged on the left side and the right side of the fixing plate, and the flat plate is arranged on the supporting legs; the flat plate is provided with an adjusting screw hole, the sliding block is provided with a sliding groove, and the butterfly nut penetrates through the adjusting screw hole and the sliding groove to fix the sliding block on the flat plate; the first guide plate and the second guide plate are consistent in structure; the first guide plate is arranged at the feeding end of the die-cutting machine, and the second guide plate is arranged at the discharging end of the die-cutting machine; the distance between the two sliding blocks can be finely adjusted through the sliding grooves on the sliding blocks, and the distance between the two sliding blocks can be greatly adjusted by adjusting the positions of the sliding blocks in the adjusting screw holes on the flat plate; adjusting the distance between the two sliding blocks according to the width of the raw material to enable the distance between the two sliding blocks to be slightly larger than the width of the raw material, and enabling the raw material to pass right above the die bottom plate through adjustment; the first guide plate prevents feeding off tracking, and the second guide plate prevents ejection of compact off tracking.

Preferably, the slitting and blanking mechanism is provided with a longitudinal slitting assembly, a transverse slitting assembly, a pulling assembly and a blanking rack; the blanking machine frame is provided with a guide rail and a blanking groove, and the longitudinal slitting assembly, the transverse slitting assembly and the pulling assembly are arranged on the guide rail; the material pulling assembly pulls the punched material to advance, and pulls the punched material to move for a corresponding distance according to the length of the cut workpiece; the longitudinal cutting assembly is used for longitudinally cutting the punched material, and the transverse cutting assembly is used for transversely cutting the longitudinally cut material; the materials cut by the longitudinal cutting assembly and the transverse cutting assembly become independent workpieces and are transferred to a designated position along the feeding groove.

Preferably, the longitudinal cutting component is provided with a cutter holder, a cylinder, a hydraulic clamping plate, a cutter frame, a longitudinal cutter and a cutter supporting plate; the tool apron is arranged on the guide rail; one end of the air cylinder is connected with the cutter holder, and the other end of the air cylinder is fixed on the blanking rack; the hydraulic clamping plates are arranged on two sides of the cutter holder; the tool rest is arranged on the tool apron; the longitudinal cutter is arranged on the cutter frame, and a blade and a pulley are arranged on the longitudinal cutter; the cutter supporting plate is arranged on the cutter holder, a cutter groove is formed in the cutter supporting plate, the cutter is inserted into the cutter groove, and the pulley is located right above the cutter groove; the pulley is positioned in front of the cutter; the air cylinder can push the tool apron to move on the track; the hydraulic clamping plate tightly presses two sides of the material after the die punching to enable the material to be tightly attached to the upper surface of the cutter supporting plate, and the pulley is arranged in front of the cutter to enable the material to be cut to be tightly attached to the cutter supporting plate, so that the situation that the position of the material after the die punching is stressed in the cutting process is changed to cause the workpiece to be cut is prevented; the number of the longitudinal cutters and the cutter supporting plate can be one or more, and is determined according to the number of the longitudinal cutters required.

Preferably, the transverse slitting assembly is provided with an upper air cylinder, a lower air cylinder, an upper air cylinder connecting plate, a lower air cylinder connecting plate, a slitting guide pillar, a base, an upper tool apron, a lower tool apron, an upper tool, a lower tool, a discharging baffle and an adjusting device; the lower cylinder connecting plate is arranged on the guide rail; the cutting guide columns are symmetrically arranged on two sides of the lower air cylinder connecting plate; the base, the lower tool apron, the upper tool apron and the upper air cylinder connecting plate are sequentially arranged on the cutting guide pillar from bottom to top; the upper knife is arranged on the upper knife holder; the lower knife is arranged on the lower knife holder; the discharging baffle is arranged on the lower cutter holder and is positioned below the lower cutter; the upper cylinder is arranged on the upper cylinder connecting plate and connected with the upper tool apron; the lower cylinder is arranged on the lower cylinder connecting plate and connected with the lower tool apron; the adjusting device is provided with an adjusting rod and an adjusting support; the adjusting support is installed on the lower air cylinder connecting plate, one end of the adjusting rod is connected with the base, and the other end of the adjusting rod is connected with the adjusting support; when a material to be cut passes through the transverse cutting assembly, the upper air cylinder pushes the upper cutter holder to move downwards along the cutting guide pillar, the lower air cylinder applies an upward force to the lower cutter holder to lift the lower cutter holder, the lower cutter is prevented from sliding downwards after being extruded by the upper cutter under the action of the upward and downward forces, and the upper cutter and the lower cutter extrude and cut the material; the discharging baffle is obliquely arranged on the lower cutter holder, and the cut workpiece can slide to the discharging groove along the discharging baffle; the adjusting device can finely adjust the position of the transverse cutter.

Preferably, the material pulling assembly is provided with a material pulling frame, a clamping jaw, a servo motor, a connecting plate, a screw rod and a displacement sensing device; the material pulling frame is arranged on the guide rail; the clamping jaw is arranged on the material pulling frame; one end of the connecting plate is connected with the material pulling frame, the other end of the connecting plate is provided with a screw rod sleeve, and the screw rod penetrates through the screw rod sleeve; one end of the screw rod is fixed on the blanking rack, and the other end of the screw rod is connected with the servo motor; the servo motor is arranged on the blanking rack; the displacement sensing device is provided with a displacement measuring scale and an induction sheet, the displacement measuring scale is installed on the blanking rack and is positioned on the left side of the guide rail, one end of the induction sheet is installed on the connecting plate, and the other end of the induction sheet is in contact with the displacement measuring scale; the material to be cut is clamped by the clamping jaw, the servo motor drives the screw rod to rotate, the cutter on the material pulling frame is driven to move along the direction of the track through the connecting plate, and the moving distance of the clamping jaw is recorded by the displacement sensing device; setting the movement distance parameter of the displacement sensing device according to the length of the workpiece to be cut, and realizing automatic cutting; the number of the clamping jaws can be one or a plurality of clamping jaws, and is determined according to the number of the needed longitudinal cutting.

Compared with the beneficial effects of the prior art, the invention has the advantages that the feeding mechanism, the die punching mechanism and the slitting and blanking mechanism are arranged; the feeding mechanism stretches the raw materials, so that the surface of the raw materials is smooth, and the stable material conveying speed is ensured; the stamping die mechanism is used for stamping and forming raw materials; the cutting and blanking mechanism cuts the punched and formed material into independent workpieces; compared with the prior art of firstly cutting and then punching, the method provided by the invention has the advantages that the problem of difficulty in conveying and positioning the raw materials after cutting the workpiece with relatively low volume is effectively solved, and the novel method of firstly punching and then cutting is higher in cutting efficiency compared with the method of gradually punching the cut raw materials one by one.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a tension assembly according to the present invention;

FIG. 3 is a schematic view of the structure of the material pressing cylinder assembly of the present invention;

FIG. 4 is a schematic view of a guide plate structure according to the present invention;

FIG. 5 is a schematic view of the longitudinal slitting assembly of the present invention;

FIG. 6 is a schematic view of the transverse slitting assembly of the present invention;

FIG. 7 is a schematic structural view of a pulling assembly according to the present invention;

FIG. 8 is a schematic structural diagram of a displacement sensor device according to the present invention.

Reference numerals:

11. a feed motor assembly; 12. a tension assembly; 13. a material pressing cylinder component; 131. a supporting seat; 132. a material pressing cylinder; 133. a material pressing cylinder frame; 134. a material pressing plate; 14. a feeding frame; 21. a die stamping machine; 22. a first guide plate; 221. a support leg; 222. a flat plate; 223. a slider; 224. a butterfly nut; 23. a second guide plate; 24. a die frame; 31. a longitudinal slitting assembly; 311. a tool apron; 312. a cylinder; 313. hydraulic clamping plates; 314. a tool holder; 315. a longitudinal cutter; 316. a cutter supporting plate; 32. a transverse slitting assembly; 33. pulling the material assembly; 331. a material pulling frame; 332. a clamping jaw; 333. a servo motor; 334. a connecting plate; 335. a screw rod; 336. a displacement sensing device; 34. a blanking frame.

Detailed Description

The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

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

Example 1: as shown in fig. 1, an automatic die stamping machine for lithium battery shells is provided with a feeding mechanism, a die stamping mechanism and a slitting and blanking mechanism, wherein the feeding mechanism is provided with a feeding motor assembly 11, a tension assembly 12, a material pressing air cylinder assembly 13 and a feeding rack 14; the die stamping mechanism is provided with a die stamping machine 21, a guide plate assembly and a die stamping machine frame 24; the slitting and blanking mechanism is provided with a longitudinal slitting assembly 31, a transverse slitting assembly 32, a pulling assembly 33 and a blanking rack 34.

The raw material is conveyed to a tension assembly 12 through a feeding motor assembly 11, and the tension assembly 12 conveys the raw material to a material pressing cylinder assembly 13 after stretching the raw material; the raw material enters the first guide plate 21 after passing through the material pressing cylinder assembly 13; the raw material enters a stamping machine 22 after passing through a first guide plate 21, the stamping machine 22 stamps and shapes the raw material, and the stamped and shaped material enters a second guide plate 23; the raw material passing through the second guide plate 23 enters the cutting mechanism, the material after punching is pulled by the material pulling assembly 33 to advance, the raw material after punching is sequentially cut into individual workpieces through the longitudinal cutting assembly 31 and the transverse cutting assembly 32, and the individual workpieces slide to designated positions along the blanking groove.

Example 2: as shown in fig. 2, in order to ensure the raw material entering the die stamping machine 22 has a flat surface and no wrinkles, a material pressing cylinder assembly 13 is provided, which is provided with a support seat 131, a material pressing cylinder 132, a material pressing cylinder frame 133 and a material pressing plate 134; the supporting seat 131 is mounted on the feeding rack 14, and the material pressing cylinder frame 133 is mounted on the supporting seat 131; the material pressing cylinder 132 is mounted on the material pressing cylinder frame 133; the pressing plate 134 is connected with the pressing cylinder 132, and the pressing plate 134 is located above the supporting seat 131; after the raw material enters the material pressing cylinder assembly 13 from the tension assembly 12, the raw material passes through the supporting seat 131 and the material pressing plate 134; according to the thickness of raw materials, the pressing cylinder drives the pressing plate to move, the distance between the supporting seat and the pressing plate is adjusted to be slightly larger than the thickness of the raw materials, and the raw materials are enabled to be flat and free of wrinkles after passing through the pressing cylinder assembly.

Example 3: as shown in fig. 3, in order to prevent the raw material and the stamped material from deviating during the conveying process, a guide plate assembly is provided, which is provided with a first guide plate and a second guide plate, wherein the first guide plate is provided with a support leg 221, a flat plate 222, a sliding block 223 and a butterfly nut 224; the legs 221 are installed at the left and right sides of the fixing plate, and the flat plate 222 is installed on the legs; an adjusting screw hole is formed in the flat plate, a sliding groove is formed in the sliding block 223, and the butterfly nut 224 penetrates through the adjusting screw hole and the sliding groove to fix the sliding block 223 on the flat plate 222; the first guide plate and the second guide plate are consistent in structure; the distance between the two sliding blocks can be finely adjusted through the sliding grooves on the sliding blocks, and the distance between the two sliding blocks can be greatly adjusted by adjusting the positions of the sliding blocks in the adjusting screw holes on the flat plate; adjusting the distance between the two sliding blocks according to the width of the raw material to enable the distance between the two sliding blocks to be slightly larger than the width of the raw material, and adjusting the conveying direction of the raw material entering the punching machine by the first guide plate; the second guide plate adjusts the conveying direction of the materials entering the cutting mechanism.

Example 4: as shown in fig. 5 to 7, in order to cut the full-page stamped workpiece into individual small workpieces, a longitudinal slitting assembly 31, a transverse slitting assembly 32, and a drawing assembly 33 are provided; the material pulling component 33 pulls the material to be cut to move forwards, the longitudinal cutting component 31 cuts the material longitudinally according to the width of the material to be cut, the transverse cutting component 32 cuts the material to be cut transversely, and finally the workpiece after the die punching is cut into an independent workpiece.

Example 5: as shown in fig. 5, the longitudinal cutting assembly 31 is provided with a cutter holder 311, a cylinder 312, a hydraulic clamping plate 313, a cutter holder 314, a longitudinal cutter 315 and a cutter supporting plate 316; the air cylinder 312 can push the tool apron 31 to move on the guide rail, the position of the longitudinal cutter is adjusted, the hydraulic clamping plate 313 tightly presses the material to be stamped to enable the material to be tightly attached to the cutter supporting plate, and the situation that the material to be cut is displaced after being stressed to cause the damage of the fed material can be prevented; the number of the longitudinal cutters is set according to the number of the required longitudinal cutting, and the number of the longitudinal cutters can be one or more.

Example 6: as shown in fig. 7 and 8, in order to achieve precise control of the cut length of the workpiece, a pulling assembly 33 is provided; the material pulling assembly 33 is provided with a material pulling frame 331, a clamping jaw 332, a servo motor 333, a connecting plate 334, a screw rod 335 and a displacement sensing device 336; the drawing frame 331 is installed on the guide rail, and the clamping jaw 332 is installed on the drawing frame 331; the connecting plate 334 is connected with the material pulling frame 331 and the screw rod 335, the servo motor 333 drives the screw rod 335 to move, and the screw rod 335 drives the clamping jaw 332 on the material pulling frame 331 to move through the connecting plate 334; according to the length of the material to be cut, the movement track of the material pulling frame 331 is set by combining the displacement sensing device 336, and the displacement sensing device 336 transmits a signal to the servo motor 333, so that the servo motor 333 drives the material pulling frame 331 to move according to the movement track set by the displacement sensing device 336; the clamping jaws 332 clamp the material so that the material to be cut moves along with the puller 331, and the cutting length of the workpiece is accurately controlled by an automated means.

The working principle of the invention is as follows: the feeding motor assembly drives the raw materials to rotate, so that the raw materials enter the tension assembly, the tension assembly stretches the raw materials, the stretched raw materials are conveyed to the pressing air cylinder assembly, and the pressing air cylinder assembly flattens the raw materials to prevent the raw materials from wrinkling; the raw material enters the first guide plate after passing through the material pressing cylinder assembly, the first guide plate corrects the direction of conveying the raw material, so that the raw material progress die stamping machine and the die stamping machine stamp the raw material, the raw material enters the second guide plate after being stamped and formed, and the second guide plate corrects the conveying direction of the stamped material again, so that the problem that the workpiece is cut due to position deviation after the stamped material enters the cutting mechanism is solved; after the die punching, the material loading enters a cutting mechanism and then is pulled by a material pulling component to advance, and the longitudinal cutting component and the transverse cutting component respectively cut the material after the die punching into independent workpieces; the number of the longitudinal cutters and the clamping jaws can be adjusted according to the number of the longitudinal cutters required; the displacement sensing device controls the motion track of the material pulling frame, and the control of the cutting length of the workpiece can be adjusted by adjusting the control parameters of the displacement sensing device.

Claims

1. An automatic die stamping machine for lithium battery shells is characterized by comprising a feeding mechanism, a die stamping mechanism and a slitting and blanking mechanism, wherein the die stamping mechanism is positioned between the feeding mechanism and the slitting and blanking mechanism; the feeding mechanism is provided with a feeding motor component, a tension component, a material pressing air cylinder component and a feeding rack; the feeding motor assembly, the tension assembly and the pressing air cylinder assembly are arranged on the feeding rack; the die stamping mechanism is provided with a die stamping machine, a guide plate assembly and a die stamping machine frame; the die stamping machine and the guide plate assembly are arranged on the die stamping machine frame; the guide plate assemblies are positioned on the front side and the rear side of the die stamping machine; the slitting and blanking mechanism is provided with a longitudinal slitting assembly, a transverse slitting assembly, a pulling assembly and a blanking rack; the blanking machine frame is provided with a guide rail and a blanking groove, and the guide rail is positioned on two sides of the blanking groove; the longitudinal slitting component, the transverse slitting component and the pulling component are arranged on the guide rail.

2. The automatic die stamping machine for the lithium battery shells as claimed in claim 1, wherein the feeding mechanism is provided with a feeding motor assembly, a tension assembly, a material pressing cylinder assembly and a feeding rack; the feeding rack is a cuboid, and the feeding motor assembly is mounted on the bottom surface of the feeding rack; the tension assembly is mounted on the feeding rack, the feeding end of the tension assembly is positioned in the feeding rack, and the discharging end of the tension assembly is positioned on the upper surface of the feeding rack; the material pressing air cylinder assembly is arranged on the feeding rack and is positioned behind the discharge end of the tension assembly.

3. The automatic die stamping machine for the lithium battery shell as claimed in claim 1, wherein the material pressing cylinder assembly is provided with a supporting seat, a material pressing cylinder frame and a material pressing plate; the supporting seat is mounted on the feeding rack, and the material pressing cylinder frame is mounted on the supporting seat; the material pressing cylinder is arranged on the material pressing cylinder frame; the material pressing plate is connected with the material pressing cylinder, and the material pressing rod is located above the supporting seat.

4. The automatic die stamping machine for lithium battery shells as claimed in claim 1, wherein the die stamping mechanism is provided with a die stamping machine, a guide plate assembly and a die stamping machine frame; the stamping die rack is a cuboid, and the stamping die and the guide plate assembly are arranged on the stamping die rack; the guide plate assembly is provided with a first guide plate and a second guide plate, the first guide plate is positioned in front of the feeding end of the die machine, and the second guide plate is positioned behind the discharging end of the die machine.

5. The automatic die stamping machine for lithium battery shells according to claim 1, wherein the die stamping machine is provided with an upper pressurizing cylinder assembly, an upper die sliding plate, an upper support column, a die bottom plate, a fixing plate, a lower die top plate, a lower support column, a top rod and a lower air cylinder assembly; the fixed plate is arranged on the stamping die rack, a hole is formed in the fixed plate, the fixed plate is rectangular, one end of the upper support column is arranged at four corners of the upper surface of the fixed plate, and the upper pressurizing air cylinder assembly is arranged at the other end of the upper support column; the upper die sliding plate is arranged on the upper support column, and a first linear bearing is arranged at the connecting position of the upper die sliding plate and the upper support column; the upper pressurizing air cylinder component is connected with the upper die sliding plate; the die bottom plate is arranged on the fixed plate and is positioned between the fixed plate and the upper die sliding plate; one end of the lower support is mounted at four corners of the lower surface of the fixing plate, the lower cylinder assembly is mounted at the other end of the lower support, the lower die top plate is mounted on the lower support, and a second linear bearing is arranged at the connecting position of the lower die top plate and the lower support; one end of the ejector rod is connected with the die bottom plate, and the other end of the ejector rod is connected with the lower die top plate; the ejector rod penetrates through the hole of the fixing plate.

6. The automatic die stamping machine for lithium battery cases as claimed in claim 5, wherein the guide plate assembly is provided with a first guide plate and a second guide plate; the first guide plate is provided with support legs, a flat plate, a sliding block and butterfly nuts; the supporting legs are arranged on the left side and the right side of the fixing plate, and the flat plate is arranged on the supporting legs; the flat plate is provided with an adjusting screw hole, the sliding block is provided with a sliding groove, and the butterfly nut penetrates through the adjusting screw hole and the sliding groove to fix the sliding block on the flat plate; the first guide plate and the second guide plate are consistent in structure.

7. The automatic die stamping machine for the lithium battery shells according to claim 4, wherein the slitting and blanking mechanism is provided with a longitudinal slitting assembly, a transverse slitting assembly, a pulling assembly and a blanking rack; the blanking machine frame is provided with a guide rail and a blanking groove, and the longitudinal slitting assembly, the transverse slitting assembly and the pulling assembly are arranged on the guide rail; the guide rails are arranged on the upper surface of the blanking frame and are positioned on two sides of the blanking groove; the longitudinal cutting assembly is positioned behind the second guide plate, the transverse cutting assembly is positioned behind the longitudinal cutting assembly, and the pulling assembly is positioned behind the transverse cutting assembly.

8. The automatic die stamping machine for the lithium battery shells as claimed in claim 1, wherein the longitudinal cutting component is provided with a tool apron, a cylinder, a hydraulic clamping plate, a tool rest, a longitudinal cutter and a cutter supporting plate; the tool apron is arranged on the guide rail; one end of the air cylinder is connected with the cutter holder, and the other end of the air cylinder is fixed on the blanking rack; the hydraulic clamping plates are arranged on two sides of the cutter holder; the tool rest is arranged on the tool apron; the longitudinal cutter is arranged on the cutter frame, and a blade and a pulley are arranged on the longitudinal cutter; the cutter supporting plate is arranged on the cutter holder, a cutter groove is formed in the cutter supporting plate, the cutter is inserted into the cutter groove, and the pulley is located right above the cutter groove; the pulley is located in front of the blade.

9. The automatic die stamping machine for lithium battery shells according to claim 1, wherein the transverse cutting assembly is provided with an upper air cylinder, a lower air cylinder, an upper air cylinder connecting plate, a lower air cylinder connecting plate, a cutting guide pillar, a base, an upper tool apron, a lower tool apron, an upper tool, a lower tool, a discharge baffle and an adjusting device; the lower cylinder connecting plate is arranged on the guide rail; the cutting guide columns are symmetrically arranged on two sides of the lower air cylinder connecting plate; the base, the lower tool apron, the upper tool apron and the upper air cylinder connecting plate are sequentially arranged on the cutting guide pillar from bottom to top; the upper knife is arranged on the upper knife holder; the lower knife is arranged on the lower knife holder; the discharging baffle is arranged on the lower cutter holder and is positioned below the lower cutter; the upper cylinder is arranged on the upper cylinder connecting plate and connected with the upper tool apron; the lower cylinder is arranged on the lower cylinder connecting plate and connected with the lower tool apron; the adjusting device is provided with an adjusting rod and an adjusting support; the adjusting support is installed on the lower air cylinder connecting plate, one end of the adjusting rod is connected with the base, and the other end of the adjusting rod is connected with the adjusting support.

10. The automatic die stamping machine for the lithium battery shells as claimed in claim 1, wherein the material pulling assembly is provided with a material pulling frame, a clamping jaw, a servo motor, a connecting plate, a screw rod and a displacement sensing device; the material pulling frame is arranged on the guide rail; the clamping jaw is arranged on the material pulling frame; one end of the connecting plate is connected with the material pulling frame, the other end of the connecting plate is provided with a screw rod sleeve, and the screw rod penetrates through the screw rod sleeve; one end of the screw rod is fixed on the blanking rack, and the other end of the screw rod is connected with the servo motor; the servo motor is arranged on the blanking rack; displacement sensing device is equipped with displacement dipperstick and response piece, the displacement dipperstick is installed in the unloading frame, the displacement dipperstick is located the left side of guide rail, the one end of response piece is installed on the connecting plate, the other end of response piece with the contact of displacement dipperstick.