CN212190796U - Convenient die-cut mould of mouth of pipe wall of high accuracy - Google Patents

Abstract

The utility model discloses a convenient punching die for a high-precision pipe orifice wall, which comprises an upper template and a lower template, wherein the lower template is provided with a clamp structure and a cutting structure which are adjacently arranged; the clamp structure is provided with a clamp table, and the middle part of the clamp table is provided with a plurality of positioning blocks; the cutting structure comprises a sliding base and a punch inclined block, wherein a sliding block groove perpendicular to the pipe is formed in the sliding base, two punch sliding blocks are symmetrically arranged on the sliding block groove, and an elastic part is arranged at the outer side end of each punch sliding block; two ends of the two punch slide blocks close to each other are respectively provided with a convex cutting tool bit; two knife edge blocks which are perpendicular to the pipe and are symmetrically arranged are arranged on one side of the sliding block groove on the sliding base, and the knife edge blocks are provided with knife edge grooves with cross section profiles matched with the cutting knife heads; two end surfaces of the two punch slide blocks which are close to each other are respectively provided with an inclined slide block inclined surface; and a first punch corresponding to the punch inclined block and a second punch corresponding to the slide block inclined plane are arranged on the upper die plate. The utility model provides high product cutting quality and cutting efficiency, reduction in production cost.

Description

Convenient die-cut mould of mouth of pipe wall of high accuracy

Technical Field

The utility model belongs to the technical field of the tubular product cutting and specifically relates to a convenient die-cut mould of mouth of pipe wall of high accuracy is related to.

Background

In the processing and manufacturing of tubular parts, a long pipe blank is cut into a fixed-length pipe blank, and then the fixed-length pipe blank is subjected to processing treatments such as bending, flaring, necking, expanding and punching, and the pipe is processed by a common stamping processing method. According to the requirements of production and processing, the existing pipe needs to be subjected to pipe orifice cutting. In the existing product stamping process, one side is generally stamped and cut and the other side is stamped and cut, so that the consistent cutting size of the two sides of the pipe orifice is difficult to ensure. Therefore, one pipe orifice is cut twice, so that the size consistency of the cut ends is difficult to ensure, and the cutting precision of the product is not high; the processing time is long, manpower and material resources are wasted, the processing efficiency is low, and the processing cost is high. Therefore, there is a need to improve the existing cutting die for pipes, improve the cutting quality and efficiency of products, and reduce the production cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a convenient die-cut mould of mouth of pipe wall of high accuracy, adopt many slider structures, improve product cutting quality and cutting efficiency, reduction in production cost.

The technical solution of the utility model is that:

a high-precision convenient pipe orifice wall punching die is characterized by comprising an upper template and a lower template, wherein the upper template is arranged above the lower template, and a clamp structure and a cutting structure are adjacently arranged on the lower template;

the clamp structure is provided with a clamp table, a plurality of positioning blocks are arranged in the middle of the clamp table, and a placing channel for placing a pipe to be cut is formed among the positioning blocks;

the cutting structure comprises a sliding base and a punch inclined block, a first pipe orifice of the pipe extends to the sliding base, the outer side of the sliding base is fixedly connected with the punch inclined block, and a first inclined surface inclining outwards is arranged on the punch inclined block; the sliding base is movably arranged on the lower template along the length direction of the pipe;

the sliding base is provided with a sliding block groove perpendicular to the pipe, the sliding block groove is symmetrically provided with two punch sliding blocks along the length direction of the sliding block groove, and an elastic part is arranged between the outer side end of each punch sliding block and the inner side wall of the tail end of each sliding block groove; the two close ends of the two punch slide blocks are respectively provided with a convex cutting tool bit on the side surface facing the pipe;

two knife edge blocks which are perpendicular to the pipe and are symmetrically arranged are arranged on one side of the sliding block groove on the sliding base, a knife edge groove with a cross-sectional profile matched with the cutting head is arranged on each knife edge block, the cutting edge ends of the two knife edge blocks are respectively attached to the outer side wall of the first pipe orifice, and the initial position of the cutting head corresponds to the position in the range of the first pipe orifice;

two end faces, close to each other, of the two punch slide blocks are respectively provided with an inclined slide block inclined plane; the upper die plate is provided with a first punch and a second punch, a second inclined plane at the bottom of the first punch corresponds to the first inclined plane of the inclined block of the punch, and double inclined planes at the bottom of the second punch correspond to two inclined planes of the sliding block.

The convenient and fast high-precision die-cutting die for the pipe orifice wall is characterized in that a second cutting structure is symmetrically arranged on the other side of the clamp table and the cutting structure on the lower template, and the first punch and the second punch are arranged on the upper template corresponding to the second cutting structure.

The convenient punching die for the high-precision pipe orifice wall is characterized in that the middle of the sliding base is provided with a middle limiting column along the edge of the sliding block groove, and two adjacent two end faces of the punch sliding block are provided with a yielding groove on the side of the middle limiting column.

The convenient punching die for the high-precision pipe orifice wall comprises a sliding base, wherein a positioning column is arranged on the inner side of the sliding base, a positioning hole matched with the positioning column is formed in the side face of a clamp table, and the sliding base moves through the matching positioning of the positioning column and the positioning hole.

The convenient punching die for the high-precision pipe orifice wall comprises a lower die plate and a punch inclined block, wherein the lower die plate is provided with a limiting baffle on the outer side of the punch inclined block.

The convenient punching die for the high-precision pipe orifice wall is characterized in that a limiting plate is arranged on the clamp table, and the thickness of the limiting plate is larger than the outer diameter or height of the pipe.

The convenient punching die for the high-precision pipe orifice wall is characterized in that the positioning block is detachably and fixedly connected with the clamp table through a bolt locking structure, and the clamp table is provided with a plurality of bolt holes or/and bolt grooves.

The convenient punching die for the high-precision pipe orifice wall comprises a punch slide block, a slide block groove, a limiting inclined block, a positioning block and a positioning block, wherein the punch slide block is arranged at the bottom of the punch slide block, the positioning.

The high-precision convenient pipe orifice wall punching die comprises a punch slide block, a punch slide block groove and a slide block groove, wherein the punch slide block is arranged in the punch slide block groove, and the punch slide block is arranged in the slide block groove.

From the above description, the present invention can achieve the following effects in comparison with the prior art:

the utility model discloses a convenient die-cut mould of mouth of pipe wall of high accuracy, adopt many slider structures, including the drift sloping block corresponding with first drift and two drift sliders corresponding with the second drift, through the relative motion of first drift and drift sloping block, make the sliding base move to the first mouth of pipe direction of tubular product and the cutting tool bit of two drift sliders inserts in the first mouth of pipe, through the relative motion of the double inclined plane of second drift and the slider inclined plane of two drift sliders, make two drift sliders move to the end of slider groove along slider groove length direction, the cutting tool bit extrudees the lateral wall of first mouth of pipe and makes this lateral wall cut by the edge of a knife that sets up in first mouth of pipe both sides, realized the shape of the cutting edge of the knife piece that the both sides of disposable die-cut mouth of pipe become the settlement, also guaranteed the uniformity of the cutting size of mouth of both sides, improved product cutting quality and cutting efficiency, the problems that in the prior art, one side is punched and cut and the other side is punched and cut again, so that the cutting size is inconsistent and the cutting precision is low are solved; meanwhile, the processing time is reduced, the manpower and material resources are saved, and the production cost is reduced.

Drawings

Fig. 1 is a first schematic structural view of a high-precision convenient die-cutting die for a pipe orifice wall according to a preferred embodiment of the present invention;

fig. 2 is a schematic structural view of a high-precision convenient die-cutting mold for a pipe orifice wall according to a preferred embodiment of the present invention.

Main element number description:

the utility model discloses:

1: an upper template 11: first punch 111: second inclined plane

12: second punch 2: and (3) a lower template: clamp structure

31: the jig stage 32: and (4) positioning block: cutting structure

41: the slide base 42: slider groove 43: punch slide block

431: the cutting tip 432: slider inclined plane 433: limiting inclined block

44: spring 45: the cutting edge block 46: inclined punch block

461: first inclined surface 47: middle limiting column 5: limit baffle

6: and a positioning column 7: and (4) limiting plate 8: second cutting structure

9: the pipe material 91: first nozzle 92: second pipe orifice

Detailed Description

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

The utility model provides a convenient die-cut mould of pipe orifice wall of high accuracy adopts many slider structures, improves product cutting quality and cutting efficiency, reduction in production cost. The utility model discloses a convenient die-cut mould of mouth of pipe wall of high accuracy, in its preferred embodiment, please refer to fig. 1 and fig. 2, for the structure schematic diagram of the preferred embodiment of the convenient die-cut mould of mouth of pipe wall of high accuracy of the utility model, it includes cope match-plate pattern 1 and lower bolster 2, the cope match-plate pattern 1 sets up above the lower bolster 2, be equipped with adjacent setting fixture structure 3 and cutting structure 4 on the lower bolster 2; the clamp structure 3 is provided with a clamp table 31, the middle of the clamp table 31 is provided with a plurality of positioning blocks 32, and a placing channel for placing the pipe 9 to be cut is formed between the positioning blocks 32; the cutting structure 4 comprises a sliding base 41 and a punch inclined block 46, a first pipe orifice 91 of the pipe 9 extends to the sliding base 41, the outer side of the sliding base 41 is fixedly connected with the punch inclined block 46, and a first inclined surface 461 inclining outwards is arranged on the punch inclined block 46; the sliding base 41 is movably arranged on the lower template 2 along the length direction of the pipe 9; a sliding block groove 42 perpendicular to the pipe 9 is formed in the sliding base 41, two punch sliding blocks 43 are symmetrically arranged on the sliding block groove 42 along the length direction of the sliding block groove, and an elastic part is arranged between the outer side end of each punch sliding block 43 and the inner side wall of the tail end of each sliding block groove 42; the two close ends of the two punch slide blocks 43 facing the side of the pipe 9 are respectively provided with a convex cutting head 431; two symmetrical knife edge blocks 45 which are perpendicular to the tube 9 are arranged on one side of the sliding block groove 42 on the sliding base 41, a knife edge groove with a cross-sectional profile matched with the cutting head 431 is arranged on each knife edge block 45, the blade ends of the two knife edge blocks 45 are respectively attached to the outer side wall of the first tube opening 91, and the initial position of the cutting head 431 corresponds to the position in the range of the first tube opening 91; two adjacent end surfaces of the two punch slide blocks 43 are respectively provided with an inclined slide block inclined surface 432; the upper die plate 1 is provided with a first punch 11 and a second punch 12, a second inclined surface 111 at the bottom of the first punch 11 is arranged corresponding to a first inclined surface 461 of the punch inclined block 46, and a double inclined surface at the bottom of the second punch 12 is arranged corresponding to two slide block inclined surfaces 432. As shown in fig. 1 and fig. 2, the high-precision convenient die-cutting die for tube orifice walls of the present invention is configured to place a tube 9 in a placing channel formed between a plurality of positioning blocks 32 disposed at the middle of a clamping table 31, and adopts a multi-slider structure, including a punch sloping block 46 corresponding to a first punch 11 and two punch sliders 43 corresponding to a second punch 12, wherein the two punch sliders 43 are symmetrically disposed in slider grooves 42 on a sliding base 41, when the first punch 11 punches downward to the punch sloping block 46, the second slope 111 at the bottom of the first punch 11 presses the first slope 461 of the punch sloping block 46, pushing the punch sloping block 46 to move toward the first nozzle 91, thereby pushing the sliding base 41 to move towards the first nozzle 91 of the tube 9, so that the two ends of the two punch sliders 43 close to each other are respectively provided with a protruding cutting head 431 towards the side surface of the tube 9 and inserted into the first nozzle 91; when the second punch 12 punches downward until the two adjacent end faces of the two punch sliders 43 are respectively provided with inclined slider inclined surfaces 432, the double inclined surfaces of the second punch 12 press the slider inclined surfaces 432 of the punch sliders 43, so that the two punch sliders 43 move toward the ends of the slider grooves 42 along the length of the slider grooves 42, the cutting tip 431 presses the side walls of the first nozzle 91 so that the side walls are cut by the blade blocks 45 provided on both sides of the first nozzle 91, and the cutting head 431 is partially inserted into a cutting edge groove with the cross-sectional profile matched with the cutting head 431 on the cutting edge block 45, when the punching process is completed, the double inclined surfaces of the second punch 12 are separated from the slider inclined surfaces 432 of the punch slider 43, and the punch slider 43 is pushed by the elastic member arranged between the outer end of the punch slider 43 and the inner side wall of the tail end of the slider groove 42, so that the punch slider 43 is restored to the initial state to prepare for the second punching; the utility model realizes that the two sides of the pipe orifice are punched at one time into the shape of the knife edge of the set knife edge block 45, thereby ensuring the consistency of the cutting sizes of the two sides of the pipe orifice, improving the product cutting quality and the cutting efficiency, and solving the problems that the cutting size is inconsistent and the cutting precision is low because the other side is punched and cut after one side is punched and cut in the prior art; meanwhile, the processing time is reduced, the manpower and material resources are saved, and the production cost is reduced.

As described above the utility model discloses a convenient die-cut mould of mouth of pipe wall of high accuracy, in its preferred embodiment, on the lower bolster 2 in the opposite side of anchor clamps platform 31 with cutting structure 4 symmetry is equipped with second cutting structure 8, correspond on the cope match-plate pattern 1 second cutting structure 8 is equipped with first drift 11 and second drift 12. As shown in fig. 1 and 2, the utility model discloses an opposite side and the 4 symmetries of cutting structure in anchor clamps platform 31 on lower bolster 2 are equipped with second cutting structure 8, and second cutting structure 8 corresponds the second mouth of pipe 92 setting of tubular product 9, and the drift sloping block 46 and the slider inclined plane 432 that correspond second cutting structure 8 on the cope match-plate pattern 1 are equipped with first drift 11 and second drift 12, have realized the mouth of pipe lateral wall at disposable die-cut tubular product 9 both ends, have improved the die-cut efficiency of product.

As described above the utility model discloses a convenient die-cut mould of mouth of pipe wall of high accuracy, in its preferred embodiment, sliding bottom 41's middle part is followed the edge of slider groove 42 is equipped with middle part spacing post 47, two the both ends face that is close to mutually of drift slider 43 in the spacing post 47 side in middle part is equipped with the groove of stepping down. As shown in fig. 1, the middle part of the sliding base 41 of the present invention is provided with a middle position limiting post 47 along the edge of the sliding block slot 42, so that when the two punch sliding blocks 43 return under the action of the elastic member, they can return to the middle position respectively, and the position deviation will not occur; and the two end faces of the two punch slide blocks 43 close to each other are provided with abdicating grooves of the middle limiting columns 47, so that the two punch slide blocks can be completely overlapped to the middle position.

As described above the utility model discloses a convenient die-cut mould of mouth of pipe wall of high accuracy, in its preferred embodiment, sliding bottom 41's inboard is equipped with reference column 6, the side of anchor clamps platform 31 be equipped with reference column 6 complex locating hole, sliding bottom 41 via the cooperation location of reference column 6 and locating hole removes. As shown in fig. 1, the positioning column 6 is disposed inside the sliding base 41, the positioning hole matched with the positioning column 6 is disposed on the side surface of the jig stage 31, and the sliding base 41 moves through the matching positioning of the positioning column 6 and the positioning hole, so that the accuracy of the moving direction of the sliding base 41 is ensured and no deviation occurs.

The convenient and fast high-precision die-cutting die for the pipe orifice wall comprises a lower die plate 2, wherein a limiting baffle plate 5 is arranged on the outer side of the punch inclined block 46. As shown in fig. 1 and 2, the outside of the punch sloping block 46 of the present invention is provided with the position of the limit baffle 5 to limit the punch sloping block 46, so as to prevent the punch sloping block 46 from being far away from the sliding base 41, and when the punch sloping block 46 is pressed down by the first punch 11, the punch sloping block 46 cannot push the sliding base 41 to move towards the first pipe orifice 91, so that the subsequent punching process cannot be completed.

As described above the utility model discloses a convenient die-cut mould of mouth of pipe wall of high accuracy, in its preferred embodiment, be equipped with limiting plate 7 on the anchor clamps platform 31, the thickness of limiting plate 7 is greater than the external diameter or the height of tubular product 9. As shown in fig. 1 and 2, the utility model discloses a be equipped with limiting plate 7 on the anchor clamps platform 31, the thickness of limiting plate 7 is greater than the external diameter of cylinder tubular product 9 or the height of cubic tubular product 9, and limiting plate 7 can 1 descending maximum displacement of spacing cope match-plate pattern to in-process, 1 down in-process pressure loss tubular product 9 of cope match-plate pattern are avoided dashing and are cut.

As described above the utility model discloses a convenient die-cut mould of mouth of pipe wall of high accuracy, in its preferred embodiment, locating piece 32 through bolt locking structure with fixed connection can be dismantled to anchor clamps platform 31, be equipped with a plurality of bolt holes or/and bolt groove on the anchor clamps platform 31. The utility model discloses a fixed connection can be dismantled with anchor clamps platform 31 to locating piece 32 through bolt locking structure, and is equipped with a plurality of bolt holes or/and bolt groove on the anchor clamps platform 31, and when tubular product 9's length is not temporary, can remove the fixed position of locating piece 32 at any time to spacing fixed tubular product 9 firmly.

As described above the utility model discloses a convenient die-cut mould of mouth of pipe wall of high accuracy, in its preferred embodiment, the bottom of drift slider 43 is followed slider groove 42 length direction is equipped with spacing sloping block 433, the cross section of spacing sloping block 433 is trapezoidal, spacing sloping block 433 with slider groove 42 sliding fit. As shown in fig. 2, the utility model discloses a punch slide 43 bottom sets up the cross section along slider groove 42 length direction and is trapezoidal spacing sloping block 433, and spacing sloping block 433 is more smooth and easy with the sliding tray cooperation slip, has also spacing punch slide 43 along the gliding displacement of tubular product 9 length direction.

As described above, in the preferred embodiment of the convenient punching die for high-precision pipe orifice wall of the present invention, the elastic member disposed between the outer end of the punch slider 43 and the inner side wall of the end of the slider groove 42 is the spring 44. As shown in fig. 1, the elastic member provided between the outer end of the punch slider 43 and the inner side wall of the end of the slider groove 42 is a spring 44.

The utility model discloses a convenient die-cut mould of mouth of pipe wall of high accuracy, please refer to fig. 1 and fig. 2, take an embodiment of aforesaid preferred as an example now, explains its process and principle of work, specifically as follows:

the utility model discloses a convenient die-cut mould of mouth of pipe wall of high accuracy, place tubular product 9 in the passageway of placing that constitutes between a plurality of locating pieces 32 that anchor clamps platform 31 middle part set up, adopt many slider structures, include the drift sloping block 46 corresponding with first drift 11 and two drift sliders 43 that correspond with second drift 12, two drift sliders 43 symmetry set up in the slider groove 42 on sliding bottom 41, when first drift 11 is punched downwards to drift sloping block 46, the first inclined plane 461 of second inclined plane 111 extrusion drift sloping block 46 of first drift 11 bottom, promote drift sloping block 46 to first mouth of pipe 91 direction motion, thereby promote sliding bottom 41 to the first mouth of pipe 91 direction motion of tubular product 9, make the both ends that two drift sliders 43 are close to each other be equipped with convex cutting tool bit 431 respectively on the side of tubular product 9 and insert in the first mouth of pipe 91; when the second punch 12 punches downward until the two adjacent end faces of the two punch sliders 43 are respectively provided with inclined slider inclined surfaces 432, the double inclined surfaces of the second punch 12 press the slider inclined surfaces 432 of the punch sliders 43, so that the two punch sliders 43 move toward the ends of the slider grooves 42 along the length of the slider grooves 42, the cutting tip 431 presses the side walls of the first nozzle 91 so that the side walls are cut by the blade blocks 45 provided on both sides of the first nozzle 91, and the cutting head 431 is partially inserted into a cutting edge groove with the cross-sectional profile matched with the cutting head 431 on the cutting edge block 45, when the punching process is completed, the double inclined surfaces of the second punch 12 are separated from the slider inclined surfaces 432 of the punch slider 43, and the punch slider 43 is pushed by the elastic member arranged between the outer end of the punch slider 43 and the inner side wall of the tail end of the slider groove 42, so that the punch slider 43 is restored to the initial state to prepare for the second punching; the utility model realizes that the two sides of the pipe orifice are punched at one time into the shape of the knife edge of the set knife edge block 45, thereby ensuring the consistency of the cutting sizes of the two sides of the pipe orifice, improving the product cutting quality and the cutting efficiency, and solving the problems that the cutting size is inconsistent and the cutting precision is low because the other side is punched and cut after one side is punched and cut in the prior art; meanwhile, the processing time is reduced, the manpower and material resources are saved, and the production cost is reduced. In a further embodiment, the utility model discloses an opposite side and the 4 symmetries of cutting structure in anchor clamps platform 31 on lower bolster 2 are equipped with second cutting structure 8, and second cutting structure 8 corresponds the second mouth of pipe 92 setting of tubular product 9, and the drift sloping block 46 and the slider inclined plane 432 that correspond second cutting structure 8 on cope match-plate pattern 1 are equipped with first drift 11 and second drift 12, have realized the mouth of pipe lateral wall at disposable die-cut tubular product 9 both ends, have improved the die-cut efficiency of product. The middle part of the sliding base 41 of the utility model is provided with the middle part limiting column 47 along the edge of the sliding block slot 42, when the two punch sliding blocks 43 return under the action of the elastic piece, the two punch sliding blocks can return to the middle position respectively, and the position deviation can not occur; and the two end faces of the two punch slide blocks 43 close to each other are provided with abdicating grooves of the middle limiting columns 47, so that the two punch slide blocks can be completely overlapped to the middle position.

The utility model discloses a convenient die-cut mould of mouth of pipe wall of high accuracy adopts many sliders structure, including the drift sloping block 46 corresponding with first drift 11 and two drift sliders 43 corresponding with second drift 12, through the relative motion of first drift 11 and drift sloping block 46, make sliding base 41 move to first mouth of pipe 91 direction of tubular product 9 and to the cutting tool bit 431 of two drift sliders 43 insert in first mouth of pipe 91, through the relative motion of the double inclined plane of second drift 12 and the slider inclined plane 432 of two drift sliders 43, make two drift sliders 43 move to the end of slider groove 42 along slider groove 42 length direction, cutting 431 tool bit extrudees the lateral wall of first mouth of pipe 91 and makes this lateral wall cut by the edge of a knife block 45 that sets for in first mouth of pipe 91 both sides, realized the shape of the cutting edge of the one-time die-cut mouth of pipe both sides piece 45 of setting, also guaranteed the uniformity of mouth of pipe both sides cutting size, the cutting quality and the cutting efficiency of the product are improved, and the problems that the cutting size is inconsistent and the cutting precision is low due to the fact that one side is punched and cut and the other side is punched and cut in the prior art are solved; meanwhile, the processing time is reduced, the manpower and material resources are saved, and the production cost is reduced.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims (9)

1. A high-precision convenient pipe orifice wall punching die is characterized by comprising an upper template and a lower template, wherein the upper template is arranged above the lower template, and a clamp structure and a cutting structure are adjacently arranged on the lower template;

the clamp structure is provided with a clamp table, a plurality of positioning blocks are arranged in the middle of the clamp table, and a placing channel for placing a pipe to be cut is formed among the positioning blocks;

the cutting structure comprises a sliding base and a punch inclined block, a first pipe orifice of the pipe extends to the sliding base, the outer side of the sliding base is fixedly connected with the punch inclined block, and a first inclined surface inclining outwards is arranged on the punch inclined block; the sliding base is movably arranged on the lower template along the length direction of the pipe;

the sliding base is provided with a sliding block groove perpendicular to the pipe, the sliding block groove is symmetrically provided with two punch sliding blocks along the length direction of the sliding block groove, and an elastic part is arranged between the outer side end of each punch sliding block and the inner side wall of the tail end of each sliding block groove; the two close ends of the two punch slide blocks are respectively provided with a convex cutting tool bit on the side surface facing the pipe;

two knife edge blocks which are perpendicular to the pipe and are symmetrically arranged are arranged on one side of the sliding block groove on the sliding base, a knife edge groove with a cross-sectional profile matched with the cutting head is arranged on each knife edge block, the cutting edge ends of the two knife edge blocks are respectively attached to the outer side wall of the first pipe orifice, and the initial position of the cutting head corresponds to the position in the range of the first pipe orifice;

two end faces, close to each other, of the two punch slide blocks are respectively provided with an inclined slide block inclined plane; the upper die plate is provided with a first punch and a second punch, a second inclined plane at the bottom of the first punch corresponds to the first inclined plane of the inclined block of the punch, and double inclined planes at the bottom of the second punch correspond to two inclined planes of the sliding block.

2. The high-precision convenient pipe orifice wall punching die of claim 1, wherein a second cutting structure is symmetrically arranged on the other side of the clamp table and the cutting structure on the lower template, and the first punch and the second punch are arranged on the upper template corresponding to the second cutting structure.

3. The high-precision convenient die-cutting die for the pipe orifice wall as claimed in claim 2, wherein a middle limiting column is arranged in the middle of the sliding base along the edge of the sliding block groove, and abdicating grooves are formed in the two close end faces of the two punch sliding blocks on the side of the middle limiting column.

4. The high-precision convenient die-cutting die for the pipe orifice wall as claimed in claim 3, wherein a positioning column is arranged on the inner side of the sliding base, a positioning hole matched with the positioning column is arranged on the side surface of the clamp table, and the sliding base moves through the matching positioning of the positioning column and the positioning hole.

5. The high-precision convenient pipe orifice wall punching die of claim 4, wherein a limiting baffle is arranged on the lower template and outside the punch inclined block.

6. The high-precision convenient pipe orifice wall punching die of claim 5, wherein a limiting plate is arranged on the clamp table, and the thickness of the limiting plate is larger than the outer diameter or height of the pipe.

7. The high-precision convenient pipe orifice wall punching die as claimed in claim 6, wherein the positioning block is detachably and fixedly connected with the clamp table through a bolt locking structure, and the clamp table is provided with a plurality of bolt holes or/and bolt grooves.

8. The high precision die-cutting die for conveniently punching the wall of the pipe orifice as claimed in claim 7, wherein the bottom of the punch slide is provided with a limit sloping block along the length direction of the slide groove, the cross section of the limit sloping block is trapezoidal, and the limit sloping block is in sliding fit with the slide groove.

9. The high-precision convenient pipe orifice wall punching die as claimed in claim 8, wherein the elastic member arranged between the outer side end of the punch slide and the inner side wall of the tail end of the slide groove is a spring.

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