CN117380825A - Stamping die and die cutting method thereof - Google Patents

Abstract

The application relates to a stamping die and a die cutting method thereof, wherein the stamping die comprises an upper die holder, a lower die holder, at least two groups of first guide column components, an upper clamping plate, a lower clamping plate, a male die, a female die, a plurality of pressing blocks, a stripper plate component, a waste driving piece, at least two groups of cutter driving components and at least two groups of cutter components; the application effect is: the slice-shaped object to be cut is placed on the male die, slicing of the slice-shaped object to be cut is completed through the combined action of the male die and the female die, the cutter driving assembly drives the cutter assembly to complete cutting of slice waste, the slice waste is recycled through the discharge port, the slice-shaped object to be cut in the whole cutting process is cut in a single slice manner, the whole roll cutting manner is not adopted, the problem that the strength of slitter edges is broken in the rolling process is not needed to be considered, and each slice is reserved with slice waste edges smaller than 1 mm after cutting is completed, so that the utilization rate of slice materials is improved.

Description

Stamping die and die cutting method thereof

Technical Field

The application relates to the field of dies, in particular to a stamping die and a die cutting method thereof.

Background

The existing hardware die cutting is characterized in that the material to be cut before cutting and the slicing waste after cutting are on the same plane of the die. In general, the material to be cut is straightened and then fed into a die for die cutting, the pole piece after die cutting is taken out by a manipulator, and the slice waste is rolled up and taken away.

The disadvantage of this method is that it requires a sufficiently wide scrap edge to ensure that the scrap edge strength is not broken during winding. Generally, more than 3 mm of slice waste edges are reserved, and the slice waste edges with more than 3 mm are wasted leftovers and cannot be used continuously, so that the utilization rate of slice materials is not high.

Disclosure of Invention

In order to solve the problem that slicing waste of sliced materials is wasted, the application provides a stamping die and a die cutting method thereof.

In a first aspect, the present application provides a stamping die, which adopts the following technical scheme:

a stamping die, characterized in that: the device comprises an upper die holder, a lower die holder, at least two groups of first guide column components, an upper clamping plate, a lower clamping plate, a male die, a female die, a plurality of pressing blocks, a stripper plate component, a waste driving piece, at least two groups of cutter driving components and at least two groups of cutter components;

the utility model discloses a cutting device, including upper die, lower die, cutter drive assembly, punch, stripper assembly, cutter drive assembly, die, cutter drive assembly, punch, cutter drive assembly, punch, stripper assembly, cutter drive assembly, lower plate and lower die, the both ends of first guide post subassembly respectively with the bottom surface of upper die holder and the top surface fixed connection of lower die holder, the die install in on the bottom surface of upper die holder, the punch install in on the top surface of lower die holder and with the die radial relative setting, the briquetting install on the bottom surface of punch holder and with cutter drive assembly radial relative setting, the waste drive assembly along the edge of stripper assembly set up in on the die, cutter drive assembly install in be used for driving cutter assembly to be close to or keep away from the section waste on the lower plate, cutter assembly's one end set up in on the cutter drive assembly, lower plate and the lower die holder has seted up the discharge gate with section waste radial relative in proper order.

Through adopting above-mentioned technical scheme, place the slice thing of waiting to cut on the terrace die, accomplish the section to slice thing of waiting to cut through the combined action of terrace die and die, cutter drive assembly drives cutter unit spare and accomplishes the cutting to the slice waste material, and retrieve the slice waste material by the discharge gate, the slice thing of waiting to cut of whole cutting process adopts monolithic sliced mode to go on, do not adopt the cutting mode of whole book, so also need not to consider the slitter edge intensity and be broken the problem at the in-process of rolling, every slice reserve less than 1 millimeter slice waste material limit can after the cutting is accomplished, thereby help improving slice material utilization ratio.

Optionally, the stripper plate assembly includes first elastic component, support column, stripper plate, the one end of first elastic component install in on the upper die base, the other end install in the one end of support column, the other end of support column install in on the stripper plate, be used for the drive the stripper plate is along radial direction removal in the die.

Through adopting above-mentioned technical scheme, through the flexible of first elastic component, can be close to or keep away from slice waiting to cut the thing through the support column control stripper, make things convenient for the combined action of terrace die and die to accomplish the section to slice waiting to cut the thing.

Optionally, the waste material driving piece is provided with a plurality of ejector pins, and the ejector pins are arranged on the female die along the edge of the stripper plate.

Through adopting above-mentioned technical scheme, through the setting of a plurality of thimble, can accomplish the section back to slice the thing of waiting to cut of slice at the combined action of terrace die and die, extrude the section waste material fast from the section through the thimble and get off and push to cutter assembly's edge of a knife, make things convenient for cutter assembly to cut the section waste material.

Optionally, the waste material driving piece is provided with a plurality of air blowing holes, and the plurality of air blowing holes are formed in the female die along the edge of the stripper plate.

Through adopting above-mentioned technical scheme, a plurality of gas blowing holes are used for extruding the slice waste material from the section and push to the edge of cutter unit spare, make things convenient for cutter unit spare to cut the slice waste material, simultaneously, also can extrude the slice waste material from the section with the thimble combined action and push to the edge of cutter unit spare.

Optionally, the cutter driving assembly includes base, apron, two at least guides, two at least second elastic component, slide, slider, the one end fixed mounting of two guides in on the base, the other end slidable mounting in on the apron, the second elastic component cover is located on the guide and both ends respectively with base, apron looks butt, the slide according to the horizontal direction slip set up in on the base, the one end fixed mounting of slider in on the apron, the other end according to predetermineeing the angle slip set up in the slide.

Through adopting above-mentioned technical scheme, the apron drives the slider under the exogenic action and removes according to predetermineeing the angle, and then the slider drives the slide and is close to or keep away from the terrace die to conveniently drive and go up cutter and lower cutter edge of a knife and open or close, accomplish the cutting of section waste material.

Optionally, the cutter driving assembly includes an air inlet valve, an air outlet valve, an air inlet valve compression bar, an air outlet valve compression bar and at least two cylinders, the air inlet valve and the air outlet valve are respectively installed at two ends of the lower clamping plate, and the air inlet valve compression bar is elastically arranged at one end of the lower clamping plate, which is close to the air inlet valve, and is used for controlling the communication or blocking between the air inlet valve and the cylinders; the air outlet valve compression bar is elastically arranged at one end of the lower clamping plate, which is close to the air outlet valve, and is used for controlling the communication or blocking between the air outlet valve and the air cylinder, and the air cylinder is fixedly arranged on the lower clamping plate.

Through adopting above-mentioned technical scheme, advance the telescopic link that promotes the cylinder through the admission valve and be close to or keep away from the terrace die, and then drive first cutter to cut the slice waste material fast through the telescopic link of cylinder.

Optionally, the cutter assembly includes an upper cutter and a lower cutter, one end of the upper cutter is mounted on the base, and one end of the lower cutter is mounted on the slide plate.

By adopting the technical scheme, the lower cutter is driven by the sliding plate to approach or separate from the male die, so that the upper cutter and the lower cutter are opened or closed, and the cutting of the cut scrap is rapidly completed.

Optionally, the cutter assembly includes first cutter, cutter support, seventh elastic component, the one end of seventh elastic component install in the one end of cutter support, the other end install in on the cylinder, the one end fixed mounting of first cutter in on the other end of cutter support.

By adopting the technical scheme, the first cutter is driven by the cutter bracket and the seventh elastic piece to be close to or far away from the slicing waste, and the slicing waste is cut rapidly.

Optionally, one end of the discharge hole, which is close to the male die, is provided with a front striker plate, and a rear striker plate is arranged on the discharge hole opposite to the front striker plate.

Through adopting above-mentioned technical scheme, the setting of preceding striker plate and back striker plate makes things convenient for the section waste material to accurately get into the discharge gate to take out the waste material mechanism and take out.

In a second aspect, the present application provides a die cutting method of a stamping die, which adopts the following technical scheme:

placing a sheet-shaped object to be cut on a male die;

the upper die holder is pressed by external force, and the upper clamping plate and the female die are sequentially driven to move towards the male die through the upper die holder until the stripper plate assembly is mutually abutted with the flaky objects to be cut and the pressing block and the cutter driving assembly;

the female die continues to move towards the male die until the slice of the flaky object to be cut is finished under the combined action of the female die and the male die;

the waste driving piece drives the slicing waste to move towards the cutter assembly until the slicing waste abuts against the edge of the cutter assembly;

the cutter driving assembly controls the cutter assembly to cut the scrap;

the cut slice waste flows out from the discharge hole;

the first guide column assembly drives the stripper plate assembly to be separated from the slice through the female die in the rebound process;

and taking the cut slice out of the male die.

Through adopting above-mentioned technical scheme, place slice waiting to cut the thing on the terrace die, external force presses the die holder and drives punch holder and die in proper order through the die holder and remove to the terrace die direction, accomplish the section to slice waiting to cut the thing through the combined action of terrace die and die, cutter drive assembly drives cutter unit spare and accomplishes the cutting to the slice waste material, and retrieve the slice waste material by the discharge gate, slice waiting to cut the thing of whole cutting process adopts the sliced mode to go on, do not adopt the cutting mode of whole reel, so also need not to consider the slitter edge intensity and be broken the problem at the in-process of rolling, every slice is reserved after cutting is accomplished and is less than 1 millimeter slice waste material limit can, thereby help improving slice material utilization ratio.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the slice-shaped object to be cut in the whole cutting process is cut in a single slice manner, and a whole roll cutting manner is not adopted, so that the problem that the strength of the slitter edge is broken in the rolling process is not required to be considered, and each slice is reserved with a slice waste edge smaller than 1 mm after cutting, thereby being beneficial to improving the utilization rate of slice materials;

2. the ejector pin is arranged on the female die, and the ejector pin is used for preventing slicing scraps from adhering with the female die, and simultaneously, the ejector pin conveys the slicing scraps to the opening of the cutter, so that the slicing scraps are conveniently sheared.

Drawings

Fig. 1 is a schematic diagram of an assembly structure of a press die of embodiment 1 of the present application.

Fig. 2 is a schematic cross-sectional structure of the press die of embodiment 1 of the present application of fig. 1.

Fig. 3 is a schematic view of a cutter driving assembly and a cutter assembly structure of the stamping die of embodiment 1 of the present application in fig. 1.

Fig. 4 is a schematic structural view of a first guide post assembly of the stamping die of embodiment 1 of the present application of fig. 1.

Fig. 5 is a schematic structural view of a second guide post assembly of the stamping die of embodiment 1 of fig. 1.

Fig. 6 is a schematic diagram of the die structure of the stamping die of embodiment 1 of the present application in fig. 1.

Fig. 7 is a schematic diagram of an assembly structure of a press die of embodiment 2 of the present application.

Fig. 8 is a schematic view of the cutter driving assembly and the assembly structure of the cutter assembly and the lower die of the stamping die of embodiment 2 of the present application.

Fig. 9 is a schematic view of the cutter driving assembly and cutter assembly structure of the stamping die of embodiment 2 of the present application.

Fig. 10 is a schematic diagram of an assembly structure of a press die of embodiment 3 of the present application.

Fig. 11 is a schematic view of a third cutter structure of the stamping die of embodiment 3 of the present application.

Fig. 12 is a flowchart of a die cutting method of the press die according to the embodiment of the present application.

Reference numerals illustrate: 1. an upper die holder; 2. a lower die holder; 3. a first steering column assembly; 4. an upper clamping plate; 5. a lower clamping plate; 6. a male die; 7. a female die; 8. a stripper plate assembly; 9. a waste drive; 10. a cutter driving assembly; 11. a cutter assembly; 12. slicing the waste; 13. a second steering column assembly; 14. a discharge port; 15. a front striker plate; 16. a rear striker plate; 21. a vent groove; 31. a first guide post; 32. a third elastic member; 33. a first guide sleeve; 131. a second guide post; 132. a fourth elastic member; 133. a second guide sleeve; 71. a receiving groove; 81. a first elastic member; 82. a support column; 83. a stripper plate; 91. a thimble; 92. a blow hole; 110. a base; 120. a cover plate; 130. a guide member; 140. a second elastic member; 150. a slide plate; 160. a slide block; 170. an intake valve; 180. an air outlet valve; 190. an intake valve compression bar; 200. a gas outlet valve lever; 210. a cylinder; 111. an upper cutter; 112. a lower cutter; 113. a first cutter; 114. a cutter support; 115. a third cutter; 191. a first compression bar; 211. a second compression bar; 213. an air vent; 214. and an air inlet end.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-12.

Referring to fig. 1 and 2, an embodiment of the present application discloses a stamping die, which includes an upper die holder 1, a lower die holder 2, at least two sets of first guide post assemblies 3, an upper clamping plate 4, a lower clamping plate 5, a male die 6, a female die 7, a plurality of pressing blocks, a stripper plate assembly 8, a waste driving member 9, at least two sets of cutter driving assemblies 10, and at least two sets of cutter assemblies 11;

the two ends of the first guide post component 3 are fixedly connected with the bottom surface of the upper die holder 1 and the top surface of the lower die holder 2 respectively, the female die 6 is installed on the bottom surface of the upper die holder 1, the male die 6 is installed on the top surface of the lower die holder 2 and is arranged opposite to the female die 6 in the radial direction, the pressing block is installed on the bottom surface of the upper clamping plate 5 and is arranged opposite to the cutter driving component 10 in the radial direction, the stripper plate component 8 is elastically arranged in the female die 7 in the radial direction, the waste driving component 9 is arranged on the female die 7 along the edge of the stripper plate component 8, the cutter driving component 10 is installed on the lower clamping plate 5 and is used for driving the cutter component 11 to be close to or far away from the slicing waste 12, one end of the cutter component 11 is arranged on the cutter driving component 10, and the lower clamping plate 5 and the lower die holder 2 are sequentially provided with a discharging hole 14 opposite to the slicing waste 12 in the radial direction.

Referring to fig. 4, the first guide post assembly 3 may be two, four or six groups. The first guide post assembly 3 comprises a first guide post 31, a third elastic piece 32 and a first guide sleeve 33, wherein the bottom end of the first guide post 31 is fixedly arranged on the lower die holder 2, the third elastic piece 32 is sleeved on the first guide post 31, one end of the first guide sleeve 33 is arranged in the mounting hole 11 of the upper die holder 1, and the other end of the first guide sleeve 33 is sleeved on the top end of the first guide post 31 and is abutted against the top end of the third elastic piece 32, so that the first guide post can move along with the movement of the upper die holder 1.

When die cutting is required, the first guide sleeve 33 moves along with the upper die holder 1 to the lower die holder 2 when the upper die holder 1 is pressed by external force (for example, a punching machine is used), and the third elastic piece 32 is gradually compressed to generate deformation when the first guide sleeve contacts with the third elastic piece 32; when the external force is removed, the third elastic member 32 needs to be restored to the original state, and then the first guide sleeve 33 is pushed to restore to the original position in the process of restoring the deformation.

Further, referring to fig. 5, the stamping die further includes a second guide post assembly 13, and the second guide post assembly 13 may be two groups, four groups, or six groups. The second guide post assembly 13 comprises a second guide post 131, a fourth elastic piece 132 and a second guide sleeve 133, wherein the bottom end of the second guide post 131 is fixedly arranged on the lower clamping plate 5, the fourth elastic piece 132 is sleeved on the second guide post 131, one end of the second guide sleeve 133 is arranged on the upper clamping plate 4, and the other end of the second guide sleeve 133 is sleeved on the second guide post 131 and is abutted against the top end of the fourth elastic piece 132.

When die cutting is required, the second guide sleeve 133 moves along with the upper die holder 1 to the lower die holder 2 when the upper die holder 1 is pressed by an external force (for example, a punching machine is used), and gradually compresses the fourth elastic member 132 to deform when contacting the fourth elastic member 132; when the external force is removed, the fourth elastic member 132 needs to be restored to the original state, and then pushes the second guide sleeve 133 to restore to the original position in the process of restoring the deformation. The second guide post assembly 13 can play a good role in assisting the first guide post assembly 3, and after the external force is removed, the upper die holder 1 and the upper clamping plate 4 can be pushed to quickly recover to the initial position.

Further, referring to fig. 2, the stripper plate assembly 8 includes a first elastic member 81, a support column 82, and a stripper plate 83, wherein one end of the first elastic member 81 is mounted on the upper die holder 1, the other end is mounted on one end of the support column 82, and the other end of the support column 82 is mounted on the stripper plate 83, for driving the stripper plate 83 to move in the radial direction in the die 7.

The accommodating groove 71 is formed in the female die 7, the shape of the accommodating groove 71 is matched with the shape of the stripper plate 83, the height of the accommodating groove 71 is larger than the thickness of the stripper plate 83, and the male die 6 and the female die 7 can be matched conveniently to complete cutting of the sheet-shaped objects to be cut.

When the die cutting is required to be performed on the sheet-shaped object to be cut, when an external force (for example, a punching machine is used) presses the upper die holder 1, the upper die holder 1 drives the stripper plate assembly 8 on the female die 7 to move towards the direction of the male die 6 through the upper clamping plate 4 until the stripper plate 83 is in mutual abutting connection with the sheet-shaped object to be cut on the male die 6, at this time, under the action of the external force, the upper die holder 1 continues to descend, under the action of the common acting force of the upper die holder 1 and the male die 6, the first elastic piece 81 is compressed, the stripper plate 83 moves towards the direction away from the lower die holder 2 until the stripper plate 83 is at least partially accommodated in the accommodating groove 71, at this time, the die cutting is completed under the common action of the male die 6 and the female die 7, and the shape and size of the cut piece are matched with the shape and size of the stripper plate 83.

Further, referring to fig. 2 and 6, the scrap driver 9 is configured as a plurality of ejector pins 91, and the ejector pins 91 are disposed on the die 7 along the edge of the stripper plate 83; the waste driving member 9 is provided with a plurality of air holes 92, and the plurality of air holes 92 are formed on the die 7 along the edge of the stripper plate 83.

A plurality of ejector pins 91 and a plurality of air blowing holes 92 can be respectively arranged on the female die 7 at the edge of the stripper plate 83; the blow holes 92 may be formed in the outer layer of the ejector pins 91, and the ejector pins 91 may be formed in the inner layer close to the stripper plate 83, on the female die 7 at the edge of the stripper plate 83.

Example 1

Referring to fig. 1 and 3, the cutter driving assembly 10 includes a base 110, a cover plate 120, at least two guide members 130, at least two second elastic members 140, a sliding plate 150, and a sliding block 160, wherein one ends of the two guide members 130 are fixedly mounted on the base 110, the other ends are slidably mounted on the cover plate 120, the second elastic members 140 are sleeved on the guide members 130, two ends of the second elastic members are respectively abutted against the base 110 and the cover plate 120, the sliding plate 150 is slidably disposed on the base 110 in a horizontal direction, one ends of the sliding block 160 are fixedly mounted on the cover plate 120, and the other ends of the sliding block 160 are slidably disposed in the sliding plate 150 in a preset angle; the cutter assembly 11 includes an upper cutter 111 and a lower cutter 112, one end of the upper cutter 111 is mounted on the base 110, and one end of the lower cutter 112 is mounted on the slide plate 150.

The number of the guide members 130 may be two or four, and may be set according to the number of the guide members 130 actually required, and the two guide members 130 are axisymmetrically arranged on the base 110. The second elastic member 140 may be a spring, or may be any elastic member having a specific elastic function. Each pressing block is disposed opposite to the cover plate 120 in a radial direction, and the base 110 is a dovetail plate structure.

The implementation principle of the embodiment 1 is as follows: when die cutting is required to be carried out on a sheet-shaped object to be cut, when an external force (for example, a punching machine is used) presses the upper die holder 1, the upper die holder 1 drives the stripper plate assembly 8 on the female die 7 to move towards the direction of the male die 6 through the upper clamping plate 4 until the stripper plate 83 is mutually abutted against the sheet-shaped object to be cut on the male die 6, at the moment, under the action of the external force, the upper die holder 1 continues to descend, under the action of the common acting force of the upper die holder 1 and the male die 6, the first elastic piece 81 is compressed, the stripper plate 83 moves towards the direction away from the lower die holder 2 until the stripper plate 83 is at least partially accommodated in the accommodating groove 71, at the moment, die cutting is completed under the common action of the male die 6 and the female die 7, and the shape and size of the cut piece are matched with the shape and size of the stripper plate 83; in the die cutting process, the pressing block presses the cover plate 120, so that the cover plate 120 moves towards the base 110 and drives the sliding block 160 to move in a preset direction, the sliding block 160 drives the sliding plate 150 to move away from the direction on the male die 6 and drives the lower cutter 112 to move away from the direction on the male die 6, the cutter edges of the upper cutter 111 and the lower cutter 112 are separated, and at the moment, the second elastic piece 140 is in a compression deformation state. After die cutting is completed, the ejector pins 91 and/or the air blowing holes 92 extrude the slicing waste 12 to the knife edges of the upper cutter 111 and the lower cutter 112, after external force is removed, the third elastic piece 32 of the first guide post assembly 3 needs to be restored to the initial state, then the first guide sleeve 33 is pushed to restore to the initial position in the process of restoring deformation, further the upper die holder 1, the upper clamping plate 4 and the female die 7 are driven to move in the direction away from the male die 6 and initially restore to the initial position, at the moment, the pressing block is separated from the cover plate 120, the second elastic piece 140 restores deformation to drive the cover plate 120 to move in the direction away from the base 110, the cover plate 120 drives the sliding plate 150 to move in the direction close to the male die 6 in the moving process through the sliding block 160, the sliding plate 150 drives the lower cutter 112 to move in the direction of the male die 6, at the moment, the slicing waste 12 is cut by the combined action of the upper cutter 111 and the lower cutter 112, and the slicing waste 12 after cutting is completed falls into the discharge hole 14, and is pumped by the waste pumping mechanism.

Example 2

Referring to fig. 7, 8 and 9, the cutter driving assembly 10 includes an air inlet valve 170, an air outlet valve 180, an air inlet valve pressing rod 190, an air outlet valve pressing rod 200, and at least two cylinders 210, wherein the air inlet valve 170 and the air outlet valve 180 are respectively mounted at two ends of the lower clamping plate 5, and the air inlet valve pressing rod 170 is elastically arranged at one end of the lower clamping plate 5 close to the air inlet valve 170, so as to control the communication or blocking between the air inlet valve 170 and the cylinders 210; the air outlet valve compression bar 200 is elastically arranged at one end of the lower clamping plate 5, which is close to the air outlet valve 180, and is used for controlling the communication or blocking between the air outlet valve 180 and the air cylinder 210, and the air cylinder 210 is fixedly arranged on the lower clamping plate 5; the cutter assembly 11 includes a first cutter 113, a cutter support 114, and a seventh elastic member, wherein one end of the seventh elastic member is mounted at one end of the cutter support 114, the other end is mounted on the cylinder 210, and one end of the first cutter 113 is fixedly mounted on the other end of the cutter support 114.

The two ends of the lower clamping plate 5 are respectively provided with mounting grooves for accommodating an air inlet valve compression bar 190 and an air outlet valve compression bar 200, the lower die holder 2 is provided with an air vent groove 21, the air inlet valve 170 and the air outlet valve 180 are respectively communicated with the air vent groove 21 through the mounting grooves, the air vent groove 21 is communicated with the air inlet end 214 of the air cylinder 210, the air inlet valve compression bar 190 comprises a first compression bar 191 and a fifth elastic piece, one end of the fifth elastic piece is arranged at the bottom of the compression bar 191, the other end of the fifth elastic piece is arranged at the bottom of the mounting groove, and the first compression bar 191 is provided with a first plug for plugging the air inlet of the air inlet valve 170; the air outlet valve pressing rod 200 comprises a second pressing rod 211 and a sixth elastic member, one end of the sixth elastic member is installed at the bottom of the second pressing rod 211, the other end of the sixth elastic member is installed at the bottom of the installation groove, and the second pressing rod 211 is provided with a second plug for blocking the air outlet of the air outlet valve 180. Each of the pressing blocks is disposed opposite to the air inlet valve pressing rod 190 and the air outlet valve pressing rod 200 in the radial direction, and the cylinder 210 is provided with an air leakage opening 213.

The implementation principle of the embodiment 2 is as follows: when die cutting is required to be carried out on a sheet-shaped object to be cut, when an external force (for example, a punching machine is used) presses the upper die holder 1, the upper die holder 1 drives the stripper plate assembly 8 on the female die 7 to move towards the direction of the male die 6 through the upper clamping plate 4 until the stripper plate 83 is mutually abutted against the sheet-shaped object to be cut on the male die 6, at the moment, under the action of the external force, the upper die holder 1 continues to descend, under the action of the common acting force of the upper die holder 1 and the male die 6, the first elastic piece 81 is compressed, the stripper plate 83 moves towards the direction away from the lower die holder 2 until the stripper plate 83 is at least partially accommodated in the accommodating groove 71, at the moment, die cutting is completed under the common action of the male die 6 and the female die 7, and the shape and size of the cut piece are matched with the shape and size of the stripper plate 83;

in the initial process of die cutting, the air inlet valve 170 is filled with air, the first plug on the first pressure rod 191 blocks the air inlet of the air inlet valve 170, the second plug on the second pressure rod 211 and the air outlet of the air outlet valve 180 are in a separated state, in the process that the upper clamping plate 4 moves towards the lower clamping plate 5, the pressing blocks respectively press the first pressure rod 191 and the second pressure rod 211 to move towards the lower die holder 2, so that the first plug is separated from the air inlet of the air inlet valve 170, the second plug blocks the air outlet of the air outlet valve 180, air enters the air cylinder 210 from the air inlet end of the air cylinder 210 through the mounting groove and the ventilation groove 21 in sequence, so that the cutter bracket 114 drives the first cutter 113 to move towards the direction of the cut waste 12, the plurality of ejector pins 91 and/or the plurality of air holes 92 extrude the cut waste 12 to the cut edge of the first cutter 113, the cut waste 12 falls into the discharge hole 14 under the combined action of the first cutter 113 and the male die 6, and the cut waste 12 is pumped by the waste pumping mechanism. At this time, the fifth elastic member and the sixth elastic member are in a compression deformation state, the seventh elastic member is in a tension deformation state, the cutter support 114 is gradually separated from the air leakage opening 213 on the air cylinder 210 in the process of driving the first cutter 113 to cut, the air in the air cylinder 210 is discharged from the air leakage opening 213, and the seventh elastic member drives the cutter support 114 and the first cutter 113 to restore to the initial position after the cutting is completed.

After the external force is withdrawn, the third elastic element 32 of the first guide post assembly 3 needs to be restored to an initial state, and then the first guide sleeve 33 is pushed to restore to an initial position in the process of restoring deformation, so as to drive the upper die holder 1, the upper clamping plate 4 and the female die 7 to move in a direction away from the male die 6 and initially restore to the initial position, at this time, the pressing block is separated from the first pressing rod 191 and the second pressing rod 211 respectively, and the fifth elastic element and the sixth elastic element drive the first pressing rod 191 and the second pressing rod 211 to restore to the initial positions respectively.

Example 3

Referring to fig. 10 and 11, a stamping die comprises an upper die holder 1, a lower die holder 2, at least two groups of first guide post assemblies 3, an upper clamping plate 4, a lower clamping plate 5, a male die 6, a female die 7, a plurality of pressing blocks, a stripper plate assembly 8, a waste driving piece 9 and at least two groups of cutter assemblies 11; the cutter assembly 11 includes a second cutter and a third cutter 115;

the two ends of the first guide post assembly 3 are fixedly connected with the bottom surface of the upper die holder 1 and the top surface of the lower die holder 2 respectively, the female die 6 is mounted on the bottom surface of the upper die holder 1, the male die 6 is mounted on the top surface of the lower die holder 2 and is radially opposite to the female die 6, the pressing block is mounted on the bottom surface of the upper clamping plate 5 and is radially opposite to the cutter driving assembly 10, the stripper plate assembly 8 is radially elastically arranged in the female die 7, the waste driving member 9 is arranged on the female die 7 along the edge of the stripper plate assembly 8, the bottom of the second cutter is mounted on the female die 7, the bottom of the third cutter 115 is mounted on the lower clamping plate 5, the second cutter and the third cutter 115 are radially opposite to each other, and the lower clamping plate 5 and the lower die holder 2 are sequentially provided with a discharge hole 14 radially opposite to the slicing waste 12.

The implementation principle of the embodiment 3 is as follows: when die cutting is required to be carried out on a sheet-shaped object to be cut, when an external force (for example, a punching machine is used) presses the upper die holder 1, the upper die holder 1 drives the stripper plate assembly 8 on the female die 7 to move towards the direction of the male die 6 through the upper clamping plate 4 until the stripper plate 83 is mutually abutted against the sheet-shaped object to be cut on the male die 6, at the moment, under the action of the external force, the upper die holder 1 continues to descend, under the action of the common acting force of the upper die holder 1 and the male die 6, the first elastic piece 81 is compressed, the stripper plate 83 moves towards the direction away from the lower die holder 2 until the stripper plate 83 is at least partially accommodated in the accommodating groove 71, at the moment, die cutting is completed under the common action of the male die 6 and the female die 7, and the shape and size of the cut piece are matched with the shape and size of the stripper plate 83;

the second cutter moves towards the third cutter 115 under the drive of the female die 7, the slicing waste 12 is cut under the combined action of the second cutter and the third cutter 115, and a plurality of sliced waste 12 after cutting falls into the discharge hole 14 and is pumped away by the waste pumping mechanism.

Further, a front baffle plate 15 is arranged at one end of the discharge hole 14 close to the male die 6, and a rear baffle plate 16 is arranged on the discharge hole 14 opposite to the front baffle plate 15. The front baffle 15 is of an inclined plane structure, and a plurality of slicing scraps 12 conveniently fall into the discharge hole 14 under the combined action of the front baffle 15 and the rear baffle 16.

Referring to fig. 12, the embodiment of the application also discloses a die cutting method of the stamping die,

placing a sheet-shaped object to be cut on the male die 6;

the upper die holder 1 is pressed by external force, and the upper clamping plate 4 and the female die 7 are sequentially driven to move towards the direction of the male die 6 by the upper die holder 1 until the stripper plate assembly 8 is mutually abutted with the flaky objects to be cut, the pressing block and the cutter driving assembly 10;

the female die 7 continues to move towards the male die 6 until the slice of the flaky object to be cut is finished under the combined action of the female die 7 and the male die 6; the waste driving piece 9 drives the slicing waste 12 to move towards the cutter assembly 11 until abutting against the edge of the cutter assembly 11;

the cutter driving assembly 10 controls the cutter assembly 11 to cut the slice waste 12;

the cut slice waste 12 flows out from the discharge hole 14;

the first guide column assembly 3 drives the stripper plate assembly 8 to be separated from the slice through the female die 7 in the rebound process;

the cut slice is taken out from the punch 6.

The implementation principle of the die cutting method of the stamping die of the embodiment of the application is as follows: the sheet-shaped object to be cut is placed on the male die 6, the upper die holder 1 is pressed by external force, the upper clamping plate 4 and the female die 7 are sequentially driven to move towards the male die 6 through the upper die holder 1, the cutting of the sheet-shaped object to be cut is completed through the combined action of the male die 6 and the female die 7, the cutter driving assembly 10 drives the cutter assembly 11 to complete the cutting of the sheet-shaped waste 12, the sheet-shaped waste 12 is recycled through the discharge hole 14, the sheet-shaped object to be cut in the whole cutting process is cut in a single-sheet manner, the whole-roll cutting manner is not adopted, the problem that the strength of a slitter edge is broken in the rolling process is not required to be considered, and the edge of the sheet-shaped waste smaller than 1 mm is reserved after the cutting of each sheet-shaped object to be cut is completed, so that the utilization rate of the sheet-shaped material is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. A stamping die, characterized in that: the die comprises an upper die holder (1), a lower die holder (2), at least two groups of first guide column assemblies (3), an upper clamping plate (4), a lower clamping plate (5), a male die (6), a female die (7), a plurality of pressing blocks, a stripper plate assembly (8), a waste material driving piece (9), at least two groups of cutter driving assemblies (10) and at least two groups of cutter assemblies (11);

the utility model discloses a waste material slicing machine, including upper die base (1), lower die base (2), punch (6), stripper plate subassembly (8), cutter actuating assembly (2), die (7), punch holder (4), stripper plate subassembly (8), waste material actuating assembly (9) are along the edge of stripper plate subassembly (8) set up in on die (7), cutter actuating assembly (10) install in be used for driving cutter subassembly (11) to be close to or keep away from section waste material (12) on lower die plate (5), the one end of cutter subassembly (11) set up in on cutter actuating assembly (10), lower die plate (5) and lower die base (2) open in proper order with section waste material (14) of radial opposite side.

2. The stamping die of claim 1, wherein: the stripper plate assembly (8) comprises a first elastic piece (81), a support column (82) and a stripper plate (83), one end of the first elastic piece (81) is installed on the upper die holder (1), the other end of the first elastic piece is installed at one end of the support column (82), and the other end of the support column (82) is installed on the stripper plate (83) and used for driving the stripper plate (83) to move in the female die (7) along the radial direction.

3. The stamping die of claim 2, wherein: the waste material driving piece (9) is provided with a plurality of ejector pins (91), and the ejector pins (91) are arranged on the female die (7) along the edge of the stripper plate (83).

4. The stamping die of claim 2, wherein: the waste material driving piece (9) is provided with a plurality of air blowing holes (92), and the air blowing holes (92) are arranged on the female die (7) along the edge of the stripper plate (83).

5. The stamping die of claim 1, wherein: the cutter driving assembly (10) comprises a base (110), a cover plate (120), at least two guide members (130), at least two second elastic members (140), a sliding plate (150) and a sliding block (160), one ends of the two guide members (130) are fixedly installed on the base (110), the other ends of the two guide members are slidably installed on the cover plate (120), the second elastic members (140) are sleeved on the guide members (130) and two ends of the second elastic members are respectively abutted to the base (110) and the cover plate (120), the sliding plate (150) is slidably arranged on the base (110) in the horizontal direction, one ends of the sliding block (160) are fixedly installed on the cover plate (120), and the other ends of the sliding block (160) are slidably arranged in the sliding plate (150) in a preset angle.

6. The stamping die of claim 1, wherein: the cutter driving assembly (10) comprises an air inlet valve (170), an air outlet valve (180), an air inlet valve pressing rod (190), an air outlet valve pressing rod (200) and at least two air cylinders (210), wherein the air inlet valve (170) and the air outlet valve (180) are respectively arranged at two ends of the lower clamping plate (5), and the air inlet valve pressing rod (190) is elastically arranged at one end, close to the air inlet valve (170), of the lower clamping plate (5) and is used for controlling the communication or blocking of the air inlet valve (170) and the air cylinders (210); the air outlet valve compression bar (200) is elastically arranged at one end, close to the air outlet valve (180), of the lower clamping plate (5) and is used for controlling the communication or blocking between the air outlet valve (180) and the air cylinder (210), and the air cylinder (210) is fixedly arranged on the lower clamping plate (5).

7. The stamping die of claim 5, wherein: the cutter assembly (11) comprises an upper cutter (111) and a lower cutter (112), one end of the upper cutter (111) is mounted on the base (110), and one end of the lower cutter (112) is mounted on the sliding plate (150).

8. The stamping die of claim 6, wherein: the cutter assembly (11) comprises a first cutter (113), a cutter support (114) and a seventh elastic piece, one end of the seventh elastic piece is installed at one end of the cutter support (114), the other end of the seventh elastic piece is installed on the air cylinder (210), and one end of the first cutter (113) is fixedly installed at the other end of the cutter support (114).

9. The stamping die of claim 1, wherein: one end of the discharge hole (14) close to the male die (6) is provided with a front baffle plate (15), and a rear baffle plate (16) is arranged on the discharge hole (14) opposite to the front baffle plate (15).

10. A die cutting method of a stamping die is characterized in that:

placing a sheet-shaped object to be cut on a male die;

the upper die holder is pressed by external force, and the upper clamping plate and the female die are sequentially driven to move towards the male die through the upper die holder until the stripper plate assembly is mutually abutted with the flaky objects to be cut and the pressing block and the cutter driving assembly;

the female die continues to move towards the male die until the slice of the flaky object to be cut is finished under the combined action of the female die and the male die;

the waste driving piece drives the slicing waste to move towards the cutter assembly until the slicing waste abuts against the edge of the cutter assembly;

the cutter driving assembly controls the cutter assembly to cut the scrap;

the cut slice waste flows out from the discharge hole;

the first guide column assembly drives the stripper plate assembly to be separated from the slice through the female die in the rebound process;

and taking the cut slice out of the male die.