CN216606920U - Corner side cutting die for shallow drawing square box - Google Patents

Abstract

The utility model discloses a corner side cutting die of a shallow deep drawing square box, wherein a lower die comprises a lower die base, a lower backing plate, a lower clamping plate and a lower die plate; the upper surface of the lower template is used for reversely buckling and placing the square box to be cut on the side; corner bumps are protruded on the side walls of the corners of the square box to be cut on the side; a sliding side cutting mechanism is arranged on the lower base plate at least corresponding to the corners of the two opposite lower templates and comprises a slideway, a sliding block punch and a sliding block resetting component; a movable knife edge matched with the outer contour of the corner bump is arranged at the first end of the sliding block punch, and an outward inclined extrusion inclined plane is arranged at the top of the second end of the sliding block punch; the sliding block resetting component is arranged on the outer side of the second end of the sliding block punch head, and the connecting end of the sliding block resetting component is connected with the second end of the sliding block punch head; the upper die comprises an upper die base, an upper padding plate and an upper clamping plate, an upper punch is arranged on the upper clamping plate, and a punching inclined plane matched with the extruding inclined plane is arranged at the bottom of the upper punch. The utility model realizes the one-time cutting of a plurality of corners of the shallow drawing square box and improves the processing efficiency.

Description

Corner side cutting die for shallow drawing square box

Technical Field

The utility model relates to the field of precision dies, in particular to a corner side cutting die of a shallow drawing square box.

Background

Drawing, also called drawing, stretching, calendering and the like, refers to a mechanical processing technology for punching a flat blank with a certain shape obtained after blanking into various open hollow parts or reducing the diameter of the open hollow blank to increase the height by using a die. The product can be made into cylindrical, stepped, conical, spherical, box-shaped and other irregular thin-wall parts by deep drawing. The four corners formed by shallow drawing of the square box are protruded and uneven, the production requirements cannot be met, the corners of the square box need to be machined for a second time, redundant pulling materials of the four corners are cut off, and the product quality is improved. In the existing cutting technology, a die which is vertically punched downwards is generally adopted, single-side punching is performed once, four processes are needed to cut four corners of a square box, the processing time is long, the efficiency is low, the product precision is not high, and the final cutting corner height is difficult to guarantee to be consistent.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a corner side cutting die for a shallow drawing square box, which can cut a plurality of corners of the shallow drawing square box at one time and improve the processing efficiency and the product quality.

The technical solution of the utility model is as follows:

a corner side cutting die of a shallow drawing square box, which comprises a lower die and an upper die,

the lower die comprises a lower die base, a lower cushion plate, a lower clamping plate and a lower die plate, the lower cushion plate is fixed on the upper surface of the lower die base, the lower clamping plate is fixed on the upper surface of the lower cushion plate, and the lower die plate is fixed on the upper surface of the lower clamping plate; the upper surface of the lower template is used for reversely placing the square box to be laterally cut, and the inner size of the square box to be laterally cut is matched with the outer contour size of the lower template; corner bumps are protruded on the side walls of the corners of the square box to be laterally cut; the square box to be cut on the side is reversely buckled on the lower template, and the corner convex block extends downwards;

a sliding side cutting mechanism is arranged on the lower base plate at least corresponding to the corners of the two opposite lower templates and comprises a slide way, a slide block punch and a slide block resetting component; the slideway is a limiting sliding structure arranged on the lower clamping plate and extends corresponding to the connecting line direction of the two sliding side cutting mechanisms; a first end of the sliding block punch is provided with a movable knife edge matched with the outer contour of the corner bump, and the top of a second end, opposite to the first end, of the sliding block punch is provided with an outward inclined extrusion inclined surface; the sliding block punch is slidably arranged in the slide way, and the movable knife edge is arranged corresponding to the corner of the lower template; the corners of the lower template and the lower clamping plate are provided with abdicating grooves corresponding to the movable knife edges; the sliding block resetting component is arranged on the outer side of the second end of the sliding block punch head, and the connecting end of the sliding block resetting component is connected with the second end of the sliding block punch head;

the upper die comprises an upper die base, an upper base plate and an upper clamping plate, the upper base plate is fixed on the lower surface of the upper die base, and the upper clamping plate is fixed on the lower surface of the upper base plate; and an upper punch vertically extending downwards is arranged on the upper clamping plate corresponding to the position of the slider punch, and a punching inclined plane matched with the extrusion inclined plane is arranged at the bottom of the upper punch.

The corner side-cutting die for the shallow drawing square box is characterized in that a material pressing plate is arranged on the lower surface of the upper clamping plate at a certain interval, and an elastic piece is arranged between the material pressing plate and the upper die base.

The corner side-cutting die for the shallow drawing square box is characterized in that the edge of the lower template is provided with a material ejecting mechanism, and the top of the material ejecting mechanism abuts against the side wall of the square box to be side-cut.

The corner side-cutting die for the shallow deep-drawing square box comprises an ejection elastic part and an ejection block, wherein the ejection elastic part is arranged in elastic part through holes formed in the lower die base and the lower backing plate along the vertical direction, the top of the ejection elastic part abuts against the bottom of the ejection block, and the top of the ejection block protrudes out of the upper surface of the lower die plate and abuts against the side wall of the square box to be side-cut.

The corner side cutting die of the shallow drawing square box comprises a slide block reset assembly, a push-pull rod and a spring, wherein the slide block reset assembly comprises a stop block, a push-pull rod and a spring; the stop block is fixed on the outer side of the second end of the sliding block punch, a long rod through hole extending along the sliding direction of the sliding block punch is formed in the stop block, the push-pull rod is inserted into the long rod through hole, the first end of the push-pull rod is connected with the second end of the sliding block punch, the second end of the push-pull rod extends out of the long rod through hole, and a fixing nut is arranged at the second end of the push-pull rod; the spring is sleeved on the push-pull rod between the stop block and the fixing nut.

The corner side-cutting die for the shallow drawing square box comprises a limiting sliding structure and a limiting sliding structure, wherein the limiting sliding structure comprises slider punch guide rails arranged on two sides of the slider punch, and clamping sliding structures extending along the sliding direction of the slider punch are arranged on the inner side surfaces of the slider punch guide rails and the side surfaces of the slider punch.

The corner side-cutting die for the shallow drawing square box is characterized in that the upper base plate is provided with a guide post extending vertically downwards, and the upper clamping plate, the lower base plate and the lower die holder are provided with guide through holes corresponding to the guide post.

The corner side cutting die for the shallow deep drawing square box is characterized in that four sliding side cutting mechanisms are arranged on the lower base plate corresponding to corners of the lower template.

From the above description, it is known that the present invention can actually achieve the following effects compared with the prior art:

according to the corner side-cutting die for the shallow-drawing square box, the slider punch can slide towards the corner of the lower template in the slide way through the interaction of the upper punch and the two inclined planes of the slider punch, so that the corner lug of the square box to be side-cut, which is reversed on the lower template, is cut by the movable knife edge on the slider punch, and the horizontally arranged movable knife edge is adopted, so that the multiple corner lugs of the shallow-drawing square box can be cut at one time, the cutting efficiency is improved, the consistency of the cutting heights of all corners of the square box can be ensured, the product quality is improved, and the problems of long time consumption and low quality of the original single-side one-time punching in the vertical direction are solved; furthermore, a sliding block resetting component is arranged at the outer side end of the sliding block punching head, and after punching is completed, the sliding block punching head can be pulled to return to prepare for the punching process of the next product.

Drawings

FIG. 1 is a schematic view of the upper and lower dies of a preferred embodiment of the corner side cut die of a shallow drawing square box of the present invention as separated;

FIG. 2 is a schematic view of the upper and lower dies of the corner side cut die for a shallow drawing square box of the present invention as closed;

fig. 3 is a schematic top structural view of a corner side cutting die of a shallow drawing square box according to a preferred embodiment of the utility model.

Main element number description:

the utility model comprises the following steps:

11: a lower die holder 12: the lower bolster 13: lower splint

14: and (3) a lower template 2: slide side cutting mechanism 21: slider punch

22: the slider reset unit 221: the stopper 222: push-pull rod

223: spring 23: slider punch guide 31: upper die holder

32: upper pad 33: the upper clamping plate 34: material pressing plate

35: the elastic member 4: an upper punch 5: material ejecting mechanism

51: ejection elastic member 52: and (3) material ejection block 6: guide post

7: square box to be cut on side

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.

The utility model provides a corner side cutting die for a shallow drawing square box, which is used for cutting a plurality of corners of the shallow drawing square box at one time and improving the processing efficiency and the product quality. In a preferred embodiment of the corner side cutting die for the shallow drawing square box, please refer to fig. 1 to 3, which are schematic structural views of the preferred embodiment of the corner side cutting die for the shallow drawing square box, the corner side cutting die comprises a lower die and an upper die, the lower die comprises a lower die base 11, a lower cushion plate 12, a lower clamping plate 13 and a lower die plate 14, the lower cushion plate 12 is fixed on the upper surface of the lower die base 11, the lower clamping plate 13 is fixed on the upper surface of the lower cushion plate 12, and the lower die plate 14 is fixed on the upper surface of the lower clamping plate 13; the upper surface of the lower template 14 is used for placing the square box 7 to be cut on the side in an inverted manner, and the internal dimension of the square box 7 to be cut on the side is matched with the external dimension of the lower template 14; corner bumps are protruded on the side walls of the corners of the square box 7 to be cut on the side; the square box 7 to be cut on the side is reversely buckled on the lower template 14, and the corner convex block extends downwards; a sliding side cutting mechanism 2 is arranged on the lower backing plate 12 at least corresponding to the corners of the two opposite lower backing plates 14, and the sliding side cutting mechanism 2 comprises a slide way, a sliding block punch 21 and a sliding block resetting component 22; the slide way is a limiting sliding structure arranged on the lower clamping plate 13 and extends corresponding to the connecting line direction of the two sliding side cutting mechanisms 2; a movable knife edge matched with the outer contour of the corner bump is arranged at the first end of the sliding block punch 21, and an outward inclined extrusion inclined plane is arranged at the top of the second end, opposite to the first end, of the sliding block punch 21; the slider punch 21 can be slidably placed in the slide way, and the movable knife edge is arranged corresponding to the corner of the lower template 14; the corners of the lower template 14 and the lower clamping plate 13 are provided with abdicating grooves corresponding to the movable knife edges; the slide block resetting component 22 is arranged on the outer side of the second end of the slide block punch 21, and the connecting end of the slide block resetting component 22 is connected with the second end of the slide block punch 21; the upper die comprises an upper die holder 31, an upper backing plate 32 and an upper clamping plate 33, the upper backing plate 32 is fixed on the lower surface of the upper die holder 31, and the upper clamping plate 33 is fixed on the lower surface of the upper backing plate 32; the upper clamp plate 33 is provided with an upper punch 4 extending vertically and downwardly corresponding to the slider punch 21, and the bottom of the upper punch 4 is provided with a stamping inclined plane matched with the extrusion inclined plane. As shown in fig. 1 to 3, the lower die of the present invention comprises a lower die base 11, a lower backing plate 12, a lower clamping plate 13 and a lower die plate 14, which are sequentially arranged from bottom to top, wherein the upper surface of the lower die plate 14 is placed with the square box to be side-cut 7 in an inverted manner, and the side wall of the corner of the square box to be side-cut 7 is protruded with a corner bump and extends downward; a sliding side cutting mechanism 2 is arranged corresponding to a corner of the lower template 14 and comprises a slide way, a slide block punch 21 and a slide block resetting component 22, the slide way is a limiting sliding structure arranged on the lower clamping plate 13, the slide block punch 21 can be slidably placed in the slide way, the limiting sliding structure limits the sliding direction of the slide block punch 21 and prevents position deviation in the sliding process, a movable knife edge matched with the outer contour of the corner bump is arranged at the first end of the slide block punch 21, an outwards inclined extrusion inclined surface is arranged at the top of the second end of the slide block punch 21, and the slide block resetting component 22 is connected with the top of the second end of the slide block punch; the upper die comprises an upper die base 31, an upper backing plate 32 and an upper clamping plate 33 which are sequentially arranged from top to bottom, and the upper clamping plate 33 is provided with an upper punch 4 which vertically extends downwards; when the upper die punches downwards, the punching inclined plane arranged on the upper punch 4 extrudes the extruding inclined plane of the slider punch 21, so that the slider punch 21 slides towards the corner position of the lower die plate 14, the movable knife edge cuts off the corner bump of the square box 7 to be cut on the side, then the upper die moves upwards, the upper punch 4 is separated from the slider punch 21, the slider resetting component 22 pulls out the upper punch 4, and the product is taken down, so that the cutting process of the product is completed. The device solves the problems of long time consumption and low quality of the original square box corner bump punching once by a single side in the vertical direction, realizes one-time cutting of a plurality of corner bumps of the shallow-drawing square box, improves the cutting efficiency, can ensure the consistency of the cutting height of each corner of the square box, and improves the product quality.

In the corner side cutting die for the shallow drawing square box according to the present invention, in the preferred embodiment of the corner side cutting die, the lower surface of the upper plate 33 is provided with the pressure plate 34 at a movable distance, and the elastic member 35 is arranged between the pressure plate 34 and the upper die base 31. As shown in fig. 1 to 3, the lower surface of the lower clamp plate 13 is provided with the material pressing plate 34, so that the material pressing plate 34 can firstly press and fix the square box 7 to be side-cut, and the square box is prevented from sliding and generating position deviation when the corner bump is cut by the movable knife edge, thereby improving the cutting precision of the product; furthermore, an elastic member 35 is disposed between the pressure plate 34 and the upper die holder 31, so that a movable distance is formed between the pressure plate 34 and the upper clamp plate 33, and the cushioning effect is achieved.

In the corner side-cutting die for the shallow drawing square box of the utility model, in the preferred embodiment of the utility model, the edge of the lower template 14 is provided with the ejecting mechanism 5, and the top of the ejecting mechanism 5 abuts against the side wall of the square box to be side-cut 7. As shown in fig. 1 to 3, in the present invention, an ejecting mechanism 5 is disposed at the edge of the lower die plate 14, and the top of the ejecting mechanism 5 abuts against the side wall of the square box 7 to be side-cut, so that the upper die is lifted, and after the slider punch 21 is pulled out, the ejecting mechanism 5 ejects the shallow drawing square box upward, which is convenient for demolding the product and removing the product.

In the corner side-cutting die for the shallow deep-drawing square box according to the present invention, in a preferred embodiment of the corner side-cutting die, the ejecting mechanism 5 includes an ejecting elastic member 51 and an ejecting block 52, the ejecting elastic member 51 is vertically disposed in the through hole of the elastic member 35 formed on the lower die base 11 and the lower bolster 12, the top of the ejecting elastic member 51 abuts against the bottom of the ejecting block 52, and the top of the ejecting block 52 protrudes out of the upper surface of the lower die plate 14 and abuts against the side wall of the square box 7 to be side-cut. As shown in fig. 1 and fig. 2, the ejecting mechanism 5 of the present invention includes an elastic member 35 disposed on the lower die base 11 and the lower pad 12 along the vertical direction and an ejecting block 52 disposed on the top of the elastic member 35, the top of the ejecting block 52 protrudes out of the upper surface of the lower die plate 14, when the square box to be cut to the side is placed on the lower die plate 14, the top of the ejecting block 52 abuts against the side wall of the square box to be cut to the side 7, after the side cutting process is finished, the upper die is separated from the lower die, and the compressed elastic member 35 recovers to the original length, the ejecting block 52 is ejected upward, so that the ejecting block 52 ejects the shallow-drawn square box upward, thereby facilitating the product taking out.

In the corner side cutting die for the shallow drawing square box of the utility model, in the preferred embodiment, the slide block resetting component 22 comprises a stopper 221, a push-pull rod 222 and a spring 223; the stopper 221 is fixed to the outer side of the second end of the slider punch 21, a long rod through hole extending along the sliding direction of the slider punch 21 is formed in the stopper 221, the push-pull rod 222 is inserted into the long rod through hole, the first end of the push-pull rod 222 is connected with the second end of the slider punch 21, the second end of the push-pull rod 222 extends out of the long rod through hole, and a fixing nut is arranged at the second end of the push-pull rod 222; the spring 223 is sleeved on the push-pull rod 222 between the stopper 221 and the fixing nut. As shown in fig. 1 to 3, the slide block resetting assembly 22 of the present invention includes a stopper 221 disposed at an outer side of the second end of the slide block punch 21, a push-pull rod 222 is inserted into a long rod through hole disposed on the stopper 221 along the sliding direction of the slide block punch 21, a first end of the push-pull rod 222 is connected to the slide block punch 21, a second end thereof protrudes out of the long rod through hole, a fixing nut is disposed thereon, and a spring 223 is sleeved on the push-pull rod 222 between the stopper 221 and the fixing nut; when the upper punch 4 presses the slider punch 21, the interaction of the two inclined surfaces causes the slider punch 21 to slide along the rail towards the corner of the lower die plate 14, the spring 223 is compressed, and when the side cutting process is finished and the upper punch 4 is separated from the slider punch 21, the compressed spring 223 pulls the slider punch 21 outwards, so that the slider punch 21 moves to the original position for the next punching process.

In the corner side cutting die for the shallow drawing square box according to the present invention, in a preferred embodiment of the corner side cutting die, the limit sliding structure includes the slider punch guide rails 23 disposed on both sides of the slider punch 21, and the inner side surfaces of the slider punch guide rails 23 and the side surfaces of the slider punch 21 are provided with the engaging sliding structure extending in the sliding direction of the slider punch 21. As shown in fig. 3, the limiting slide block structure of the present invention includes slide block punch guide rails 23 disposed on two sides of the slide block punch 21, and the inner side surface of the slide block punch guide rail 23 and the side surface of the slide block punch 21 are provided with a clamping slide structure extending along the slide direction of the slide block punch 21, the clamping slide block structure may include a protruding block and a strip-shaped chute engaged therewith, the protruding block is inserted into the strip-shaped chute, so as to improve the stability of the slide block punch 21, and is not easy to fall off from the limiting slide block structure, and the position does not shift during the sliding process, thereby improving the cutting quality of the product.

In the corner side cutting die for the shallow drawing square box of the utility model, in the preferred embodiment of the corner side cutting die, the upper cushion plate 32 is provided with the guide post 6 extending vertically and downwardly, and the upper clamping plate 33, the lower cushion plate 12 and the lower die base 11 are provided with the guide through hole corresponding to the guide post 6. As shown in fig. 1 to 2, in the utility model, the guide posts 6 extending downwards are arranged on the upper backing plate 32, and in the process of stamping the upper die downwards, the guide posts 6 pass through the guide through holes on the upper clamping plate 33 and the lower backing plate 12 and are inserted into the guide through holes on the lower die holder 11, so that the stability of the positions of the upper die and the lower die is ensured in the process of stamping the upper die downwards, and the quality of the stamped product is improved.

In the corner side cutting die for the shallow drawing square box according to the present invention, in the preferred embodiment, four sliding side cutting mechanisms 2 are disposed on the lower bolster 12 corresponding to the corners of the lower bolster 14. As shown in fig. 3, the four sliding side cutting mechanisms 2 are arranged on the lower backing plate 12 corresponding to the corners of the lower template 14, and the upper punches 4 are arranged corresponding to the sliding side cutting mechanisms 2, so that four corner protrusions of the shallow deep-drawing square box can be cut off at one time by side in one-time punching, the production efficiency is further improved, the heights of the corners of the cut products can be guaranteed to be consistent, and the quality of the products is guaranteed.

Referring to fig. 1 to 3, the working process and principle of the corner side cutting die of the shallow drawing square box of the present invention will be explained by taking the above preferred embodiment as an example, which is specifically as follows:

the lower die comprises a lower die base 11, a lower cushion plate 12, a lower clamping plate 13 and a lower die plate 14 which are sequentially arranged from bottom to top, wherein the upper surface of the lower die plate 14 is reversely placed with the square box 7 to be side-cut, and the side wall of the corner of the square box 7 to be side-cut protrudes with a corner bump and extends downwards; a sliding side cutting mechanism 2 is arranged corresponding to the corner of the lower template 14 and comprises a slide way, a slide block punch 21 and a slide block resetting component 22, the slide way is a limiting sliding structure arranged on the lower clamping plate 13, the slide block punch 21 can be slidably arranged in the slide way, the limiting sliding structure limits the sliding direction of the slide block punch 21 and prevents position deviation in the sliding process, a movable knife edge matched with the outer contour of the corner bump is arranged at the first end of the slide block punch 21, an outward inclined extrusion surface is arranged at the top of the second end of the slide block punch 21, and the slide block resetting component 22 is connected with the top of the second end of the slide block punch; the upper die comprises an upper die base 31, an upper backing plate 32 and an upper clamping plate 33 which are sequentially arranged from top to bottom, and the upper clamping plate 33 is provided with an upper punch 4 which vertically extends downwards; when the upper die punches downwards, the stamping inclined surface arranged on the upper punch 4 extrudes the extrusion inclined surface of the slider punch 21, so that the slider punch 21 slides towards the corner position of the lower die plate 14, the movable knife edge cuts off the corner convex block of the square box 7 to be cut on the side, then the upper die moves upwards, the upper punch 4 is separated from the slider punch 21, the slider reset assembly 22 pulls out the upper punch 4, the product is taken down, and the cutting process of the product is completed. The device solves the problems of long time consumption and low quality of the original square box corner bump punching once by a single side in the vertical direction, realizes one-time cutting of a plurality of corner bumps of the shallow-drawing square box, improves the cutting efficiency, can ensure the consistency of the cutting height of each corner of the square box, and improves the product quality. In a further embodiment, the material pressing plate 34 is arranged on the lower surface of the lower clamping plate 13, so that the material pressing plate 34 can firstly press and fix the square box 7 to be laterally cut, the square box is prevented from sliding and generating position deviation when the corner bump is cut by the movable knife edge, and the cutting precision of a product is improved; furthermore, an elastic member 35 is disposed between the pressure plate 34 and the upper die holder 31, so that a movable distance is formed between the pressure plate 34 and the upper clamp plate 33, and the cushioning effect is achieved. In a further embodiment, the material ejecting mechanism 5 is arranged at the edge of the lower die plate 14, and the top of the material ejecting mechanism 5 abuts against the side wall of the square box 7 to be side-cut, so that the upper die is lifted, and after the slider punch 21 is pulled outwards, the material ejecting mechanism 5 ejects the shallow drawing square box upwards, so that the product can be conveniently demoulded and taken down.

According to the corner side-cutting die for the shallow-drawing square box, the slider punch 21 can slide towards the corner of the lower template 14 in the slide way through the interaction of the upper punch 4 and the two inclined planes of the slider punch 21, so that a movable knife edge on the slider punch 21 cuts off corner bumps of the square box 7 to be side-cut, which is reversed on the lower template 14, and the horizontally arranged movable knife edge is adopted, so that the corner bumps of the shallow-drawing square box can be cut at one time, the cutting efficiency is improved, meanwhile, the consistency of the cutting height of each corner of the square box can be ensured, the quality of a product is improved, and the problems of long time and low quality caused by single-side one-time punching in the original vertical direction are solved; further, a slide block reset assembly 22 is arranged at the outer side end of the slide block punch 21, and after punching is completed, the slide block punch 21 can be pulled to return to prepare for a next punching process of a product.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the utility model should fall within the protection scope of the utility model.

Claims (8)

1. A corner side cutting die of a shallow drawing square box, which is characterized by comprising a lower die and an upper die,

the lower die comprises a lower die base, a lower cushion plate, a lower clamping plate and a lower die plate, the lower cushion plate is fixed on the upper surface of the lower die base, the lower clamping plate is fixed on the upper surface of the lower cushion plate, and the lower die plate is fixed on the upper surface of the lower clamping plate; the upper surface of the lower template is used for reversely placing the square box to be laterally cut, and the inner size of the square box to be laterally cut is matched with the outer contour size of the lower template; corner bumps are protruded on the side walls of the corners of the square box to be laterally cut; the square box to be cut on the side is reversely buckled on the lower template, and the corner convex block extends downwards;

a sliding side cutting mechanism is arranged on the lower base plate at least corresponding to the corners of the two opposite lower templates and comprises a slide way, a slide block punch and a slide block resetting component; the slideway is a limiting sliding structure arranged on the lower clamping plate and extends in the direction corresponding to the connecting line of the two sliding side cutting mechanisms; a first end of the sliding block punch is provided with a movable knife edge matched with the outer contour of the corner bump, and the top of a second end, opposite to the first end, of the sliding block punch is provided with an outward inclined extrusion inclined surface; the sliding block punch is slidably arranged in the slide way, and the movable knife edge is arranged corresponding to the corner of the lower template; the corners of the lower template and the lower clamping plate are provided with abdicating grooves corresponding to the movable knife edges; the sliding block resetting component is arranged on the outer side of the second end of the sliding block punch head, and the connecting end of the sliding block resetting component is connected with the second end of the sliding block punch head;

the upper die comprises an upper die base, an upper base plate and an upper clamping plate, the upper base plate is fixed on the lower surface of the upper die base, and the upper clamping plate is fixed on the lower surface of the upper base plate; and an upper punch vertically extending downwards is arranged on the upper clamping plate corresponding to the position of the slider punch, and a punching inclined plane matched with the extrusion inclined plane is arranged at the bottom of the upper punch.

2. The corner side cutting die for the shallow drawing square box as claimed in claim 1, wherein a material pressing plate is provided on the lower surface of the upper plate at a movable distance, and an elastic member is provided between the material pressing plate and the upper die base.

3. The corner side-cutting die for the shallow drawing square box as claimed in claim 2, wherein an ejecting mechanism is arranged at the edge of the lower template, and the top of the ejecting mechanism abuts against the side wall of the square box to be side-cut.

4. The corner side-cutting die for the shallow drawing square box as claimed in claim 3, wherein the ejector mechanism comprises an ejector elastic member and an ejector block, the ejector elastic member is vertically arranged in the elastic member through holes formed in the lower die base and the lower backing plate, the top of the ejector elastic member abuts against the bottom of the ejector block, and the top of the ejector block protrudes out of the upper surface of the lower die plate and abuts against the side wall of the square box to be side-cut.

5. The corner side-cutting die for the shallow drawing square box as claimed in claim 4, wherein the slide block resetting assembly comprises a stop block, a push-pull rod and a spring; the stop block is fixed on the outer side of the second end of the slider punch, a long rod through hole extending along the sliding direction of the slider punch is formed in the stop block, the push-pull rod is inserted into the long rod through hole, the first end of the push-pull rod is connected with the second end of the slider punch, the second end of the push-pull rod extends out of the long rod through hole, and a fixing nut is arranged at the second end of the push-pull rod; the spring is sleeved on the push-pull rod between the stop block and the fixing nut.

6. The corner side-cutting die for a shallow drawing square box according to claim 5, wherein the limit slide structure comprises slider punch guide rails provided on both sides of the slider punch, and engaging slide structures extending in the slider punch sliding direction are provided on an inner side surface of the slider punch guide rails and a side surface of the slider punch.

7. The corner side cutting die for the shallow drawing square box as claimed in claim 6, wherein the upper backing plate is provided with guide posts extending vertically and downwardly, and the upper clamping plate, the lower backing plate and the lower die holder are provided with guide through holes corresponding to the guide posts.

8. The corner side cutting die for the shallow drawing square box as claimed in claim 7, wherein four sliding side cutting mechanisms are arranged on the lower backing plate corresponding to the corners of the lower template.

Images