Punching structure for hole flanging of part

Abstract

The utility model discloses a punching structure for hole flanging of parts, and relates to the field of sheet metal punching technology, the punching structure comprises a lower die base, an upper die base and a lower die base, a first punching area A is arranged on one side of the upper die base, a plurality of hole flanging T-shaped columns are arranged in the first punching area A arranged on the lower die base, and arc-shaped hole flanging punches are fixedly arranged on the upper portions of the hole flanging T-shaped columns; two second stamping areas B are arranged on one side of the first stamping area A. A through hole T-shaped column is arranged in the second stamping area B fixedly arranged on the lower portion of the upper die base, a through hole punch is fixedly arranged on the lower portion of the through hole T-shaped column, a third stamping area C is arranged on the side, away from the first stamping area A, of the second stamping area B, and a hole drawing T-shaped column is arranged in the third stamping area C fixedly arranged on the upper portion of the lower die base. And a conical hole drawing head is fixedly arranged at the upper part of the hole drawing T-shaped column. The problems that the hole flanging process is unstable, the hole flanging wall is prone to inclining, and resources are wasted due to the fact that an opening is uneven are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of sheet metal stamping technology, in particular to a stamping structure for part hole flanging. BACKGROUND

[0002] The stamping structure for part hole flanging is a die structure specially used for flanging the hole edge of a plate into a vertical edge, and is widely used in the manufacturing fields of automobiles, tractors and the like to improve the rigidity and assembly performance of parts.

[0003] The existing stamping structure for part hole flanging basically directly uses a flat punch to punch upward, and then directly flanges the inner edge in the punched hole upward. The use of the above structure is prone to cause the upward flanged hole wall to be thinned during hole extraction, and is prone to cause the height after hole flanging to be uneven, and is also prone to cause the hole wall to be inclined during hole extraction due to unstable factors, thereby affecting the precision and causing resource waste. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the problem of instability during hole flanging, easy to cause the hole wall to be inclined, and resource waste caused by uneven opening, the present application provides a stamping structure for part hole flanging.

[0005] The stamping structure for part hole flanging provided by the present application adopts the following technical scheme:

[0006] A stamping structure for part hole flanging, comprising a lower die seat installed on the ground, wherein the upper part of the lower die seat is provided with an upper die seat, and two first stamping areas A are symmetrically arranged on one side of the lower die seat and the upper die seat; a plurality of hole flanging T-shaped columns with the same structure and mounting mode are arranged in the first stamping area A arranged on the lower die seat, and an arc hole flanging punch capable of upwardly protruding the plate is fixedly arranged on the upper part of each hole flanging T-shaped column;

[0007] Two second stamping areas B are arranged on one side of the first stamping areas A, a plurality of through-hole T-shaped columns with the same structure and mounting mode are arranged in the second stamping area B fixedly arranged on the lower part of the upper die seat, and a through-hole punch capable of removing the protruding part of the plate protruded by the arc hole flanging punch is fixedly arranged on the lower part of each through-hole T-shaped column;

[0008] Two third stamping areas C are arranged on the side away from the first stamping areas A of the second stamping areas B, a plurality of hole extraction T-shaped columns with the same structure and mounting mode are arranged in the third stamping area C fixedly arranged on the upper part of the lower die seat, and a conical hole extraction head capable of making the inner hole of the plate protruded by the arc hole flanging punch straight and smooth is fixedly arranged on the upper part of each hole extraction T-shaped column.

[0009] By adopting the technical scheme, the hole flanging T-shaped column and the arc hole flanging punch arranged in the first stamping area A can be integrally formed, which can better realize disassembly and assembly and has sufficient hardness to punch the plate, the through hole T-shaped column and the through hole punch arranged in the second stamping area B can also be integrally formed, so that the hardness can meet the requirements and the through hole punch can not be broken during the through hole process, and the hole flanging T-shaped column and the conical hole flanging punch arranged in the third stamping area C can also be integrally formed, so that the inner wall of the hole flanging can be straight and smooth during the hole flanging process.

[0010] Preferably, the two first stamping areas A include first pressing plates A respectively fixed on opposite side surfaces of the lower die seat and the upper die seat, two second pressing plates A are fixed on the side of the lower die seat and the upper die seat away from the first pressing plates A, two third pressing plates A are fixed on the side of the second pressing plates A away from the first pressing plates A, two fourth pressing plates A are fixed on the side of the third pressing plates A away from the second pressing plates A, and the two fourth pressing plates A are in abutment with the plate on the side away from the third pressing plates A.

[0011] By adopting the technical scheme, the two first stamping areas A can better complete the first hole flanging of the plate and prevent displacement and other conditions from occurring during the process.

[0012] Preferably, the third pressing plates A and the fourth pressing plates A arranged on the upper die seat are internally provided with first hydraulic push rods opposite the position of the arc hole flanging punch, the first hydraulic push rods are fixed with limiting tubes at the extending end, the limiting tubes are externally provided with protruding block grooves opened in the fourth pressing plates A, the protruding block grooves have a diameter smaller than the top diameter of the arc hole flanging punch and can allow the arc hole flanging punch to push the plate into the protruding block grooves, and the limiting tubes can limit the depth of the plate pushed into the protruding block grooves.

[0013] By adopting the technical scheme, the first hydraulic push rods and the limiting tubes can better limit the height of the protruding block pushed into the protruding block grooves.

[0014] Preferably, the two second stamping areas B include first pressing plates B respectively fixed on opposite side surfaces of the lower die seat and the upper die seat, a second pressing plate B is fixed on the side of the lower die seat and the upper die seat away from the first pressing plates B, a third pressing plate B is fixed on the side of the second pressing plate B away from the first pressing plates B, a fourth pressing plate B is fixed on the side of the third pressing plate B away from the second pressing plate B, and the fourth pressing plate B is in abutment with the plate on the side away from the third pressing plate B.

[0015] By adopting the technical scheme, the two second stamping areas B can abut and fix the plate and drive the through hole punch to perform the through hole on the plate.

[0016] Preferably, the fourth pressing plate B arranged inside the lower die seat is provided with a lower T column corresponding to the position of the through hole T column, and a waste channel is arranged in the lower T column.

[0017] Through the above technical scheme, the waste channel can effectively discharge the convex bump cut off by the through hole punch, avoiding blockage.

[0018] Preferably, the two third pressing areas C include two first pressing plates C respectively fixed on the opposite side surfaces of the lower die seat and the upper die seat, the second pressing plate C is fixed on the side of the first pressing plate C away from the lower die seat and the upper die seat, the third pressing plate C is fixed on the side of the second pressing plate C away from the first pressing plate C, the fourth pressing plate C is fixed on the side of the third pressing plate C away from the second pressing plate C, and the fourth pressing plate C is in abutment with the plate on the side away from the third pressing plate C.

[0019] Through the above technical scheme, the two third pressing areas C can effectively clamp and fix the plate by extruding towards the middle.

[0020] Preferably, the fourth pressing plate C arranged on the upper die seat is provided with an upper T column in abutment with the conical hole punch arranged inside the fourth pressing plate C and symmetrically with the conical hole punch, and the second hydraulic push rod is fixedly arranged through the second pressing plate C and the first pressing plate C on the side of the upper T column away from the conical hole punch.

[0021] Through the above technical scheme, the second hydraulic push rod and the upper T column can effectively limit the height of the conical hole punch.

[0022] Preferably, the diameter of the through hole punch is greater than the diameter of the convex block groove, and the convex bump extruded by the convex block groove and the arc-shaped hole punch can be cut off and discharged through the waste channel.

[0023] Through the above technical scheme, the diameter of the through hole punch is greater than the convex bump of the plate, which can help the through hole punch to better cut off the convex bump.

[0024] In summary, the present application has at least one of the following beneficial technical effects:

[0025] 1. The arc-shaped hole punch and the convex block groove are used to cooperate to punch and protrude on the plate, form an upward inclined surface on the punched hole, and form a convex bump on the top of the inclined surface, avoid the straight-through punching step, improve the accuracy of the punching, and avoid the deviation in the through hole process affecting the accuracy

[0026] 2. The convex bump is cut by the through-hole punch and the lower T column, and the hole after cutting is punched by the through-hole punch and the lower T column, so that the arc surface is straightened, effectively reducing the problem of hole wall inclination caused by unstable factors in the through-hole process. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the overall schematic diagram of the present application;

[0028] Figure 2 is the internal cross-sectional view of the present application;

[0029] Figure 3 is the first stamping area A structure cross-sectional view of the present application;

[0030] Figure 4 is the second stamping area B structure cross-sectional view of the present application;

[0031] Figure 5 is the third stamping area C structure cross-sectional view of the present application;

[0032] Figure 6 is the top view of the three stamping area structure of the present application;

[0033] Figure 7 is the first stamping area A enlarged view of the present application;

[0034] Figure 8 is the second stamping area B enlarged view of the present application;

[0035] Figure 9 is the third stamping area C enlarged view of the present application;

[0036] Figure 10 is the plate hole flanging enlarged view of the present application.

[0037] Reference signs: 1, lower die holder; 2, upper die holder;

[0038] 3, first stamping area A; 31, first pressing plate A; 32, second pressing plate A; 33, third pressing plate A; 34, fourth pressing plate A;

[0039] 4, hole flanging T column; 41, arc hole flanging punch; 42, convex block groove; 43, first hydraulic push rod; 44, limiting tube;

[0040] 5, through-hole T column; 51, through-hole punch; 52, lower T column; 53, waste channel;

[0041] 6, hole punching T column; 61, conical hole punching head; 62, upper T column; 63, second hydraulic push rod; 7, plate;

[0042] 8, second stamping area B; 81, first pressing plate B; 82, second pressing plate B; 83, third pressing plate B; 84, fourth pressing plate B;

[0043] 9, third stamping area C; 91, first pressing plate C; 92, second pressing plate C; 93, third pressing plate C; 94, fourth pressing plate C. DETAILED DESCRIPTION

[0044] The following description will be made in conjunction with the accompanying drawings Figure 1 - Figure 10 The application is further described in detail.

[0045] The application discloses a stamping structure for part hole flanging.

[0046] Referring to Figure 1 , Figure 2 , Figure 3 A stamping structure for part hole flanging, comprising a lower die seat 1 installed on the ground and an upper die seat 2 installed on the upper part of the lower die seat 1, and the lower die seat 1 and the upper die seat 2 are provided with two first stamping areas A3 on the opposite side, and the two first stamping areas A3 are symmetrically arranged, and the two first stamping areas A3 comprise a first pressing plate A31 fixed on the side surface of the lower die seat 1 and a first pressing plate A31 fixed on the side surface of the upper die seat 2, and the two first pressing plates A31 are symmetrically arranged, and the two first pressing plates A31 are provided with a second pressing plate A32 away from the side surface of the lower die seat 1, and the second pressing plate A32 is also fixed away from the side surface of the upper die seat 2, and the two second pressing plates A32 are symmetrically arranged, and the two second pressing plates A32 are fixedly connected with the side surface of the third pressing plate A33 away from the side surface of the first pressing plate A31, and the two third pressing plates A33 are fixedly connected with the side surface of the fourth pressing plate A34 away from the side surface of the second pressing plate A32, and the two fourth pressing plates A34 are in abutment with the side surfaces of the plate 7 away from the side surface of the third pressing plate A33, and the first stamping area A3 is driven by the upper die seat 2 to stamp the plate 7.

[0047] Referring to Figure 3 , Figure 7And a plurality of flanging T-shaped columns 4 are fixedly arranged in the fourth pressing plate A34 inside the first stamping area A3 arranged on the lower die seat 1, and the plurality of flanging T-shaped columns 4 are identical in structure and mounting mode, and the upper portions of the plurality of flanging T-shaped columns 4 are fixedly arranged with arc-shaped flanging punches 41, and the arc-shaped flanging punches 41 are used for upwardly punching the positions requiring flanging on the plate 7, and the side edges of the arc-shaped flanging punches 41 are arranged in the form of annular uppers, and the top portions of the arc-shaped flanging punches 41 are arranged in the form of smooth planes, and the upper portions of the arc-shaped flanging punches 41 are arranged with protrusion grooves 42, the protrusion grooves 42 are arranged on the fourth pressing plate A34 fixedly arranged on the lower portion of the upper die seat 2, and the inner portions of the protrusion grooves 42 are slidably arranged with limiting tubes 44, and the lower portions of the limiting tubes 44 can abut and limit when the arc-shaped flanging punches 41 upwardly punch the plate 7 and punch into the protrusion grooves 42, and the upper portions of the limiting tubes 44 are arranged with first hydraulic push rods 43 movably penetrating the second pressing plate A32 and the third pressing plate A33 fixedly arranged on the lower portion of the upper die seat 2, and the first hydraulic push rods 43 can adjust the positions of the limiting tubes 44 so as to better limit.

[0048] The first stamping area A3, the second stamping area B8 and the third stamping area C9 can form a complete flanging stamping production line, and the first stamping area A3 is the first process, responsible for the first step of punching, the upper die seat 2 moves downward to drive the first pressing plate A31 to move, the first pressing plate A31 drives the second pressing plate A32, the third pressing plate A33 and the fourth pressing plate A34 to move downward until abutting against the plate 7 placed on the fourth pressing plate A34 on the upper portion of the lower die seat 1, at this time, the flanging T-shaped column 4 provides support for the arc-shaped flanging punch 41, so that the arc-shaped flanging punch 41 can better extrude upward and plasticize the plate 7, because the arc-shaped flanging punch 41 is in the form of semicircle composed of arcs around, and the top portion of the arc-shaped flanging punch 41 is arranged in the form of a plane, so the shape of the arc-shaped flanging punch 41 is similar to a bowl with a reverse buckle, so that when the arc-shaped flanging punch 41 abuts against the plate 7, an inner inclined surface is generated, and cooperates with the protrusion groove 42 to form a convex bundle on the upper portion of the plate 7, and the diameter of the convex bundle is 1-2 mm smaller than the diameter of the through-hole punch 51, and the first hydraulic push rod 43 pushes the limiting tube 44 to limit the height of the convex bundle, and the arc-shaped portion like a bowl punched by the arc-shaped flanging punch 41 is the thin wall of the upper flanging.

[0049] Referring to Figure 1 , Figure 2 , Figure 4 , Figure 8, two second punching areas B8 are arranged on the two sides of the two first punching areas A3, and the two second punching areas B8 include first pressing plates B81 fixedly arranged on the upper part of the lower die seat 1 and first pressing plates B81 fixedly arranged on the lower surface of the upper die seat 2, and the two first pressing plates B81 are on the same horizontal line, and the two first pressing plates B81 are fixedly connected with the two second pressing plates B82 on the side away from the lower die seat 1 and the upper die seat 2, and the two second pressing plates B82 are fixedly arranged with the third pressing plates B83 on the side away from the two first pressing plates B81, and the two third pressing plates B83 are fixedly arranged with the fourth pressing plates B84 on the side away from the two second pressing plates B82, and the two fourth pressing plates B84 are fixedly arranged with the upper and lower surfaces of the plate 7 on the side away from the two third pressing plates B83, so as to prevent the plate 7 from deviating during the punching process, and also to apply a downward pressure to the plate 7 for punching.

[0050] With reference to Figure 4 , Figure 8 , the second punching area B8 fixedly arranged on the lower part of the upper die seat 2 is provided with a plurality of through-hole T-shaped columns 5, and the plurality of through-hole T-shaped columns 5 are the same in structure and installation mode, and the lower part of the plurality of through-hole T-shaped columns 5 is fixedly provided with a plurality of through-hole punches 51, and the plurality of through-hole punches 51 can abut against the convex part protruded by the arc-shaped punching punch 41 and remove the convex part under the action of the downward pressure, leaving the arc-shaped upper punching wall punched by the arc-shaped punching punch 41, and the fourth pressing plate B84 arranged on the lower die seat 1 is provided with a plurality of lower T-shaped columns 52, and the plurality of lower T-shaped columns 52 are the same in structure and installation mode, and the plurality of lower T-shaped columns 52 are opposite to the through-hole T-shaped columns 5, and a longitudinal waste passage 53 is arranged in the lower T-shaped column 52, and the lower part of the waste passage 53 is arranged in communication with the entire first punching area A3 and the lower die seat 1, and the convex part removed will be discharged downward along the waste passage 53.

[0051] The second punching area B8 is the second area of the entire punching production line, responsible for moving the first pressing plate B81 downward through the upper die seat 2, and moving the second pressing plate B82, the third pressing plate B83 and the fourth pressing plate B84 downward at the same time, extruding the first punching area A3 on the lower die seat 1, and also extruding the plate 7, and extruding the convex part protruded by the plate 7 through the first punching area A3, the through-hole T-shaped column 5 and the through-hole punch 51, and cutting off the convex part protruded by the plate 7 through the cooperation of the through-hole punch 51 and the lower T-shaped column 52, and the cut surface can achieve the advantages of smoothness, flatness and consistency, and the waste after cutting can be discharged through the waste passage 53.

[0052] With reference to Figure 1 , Figure 2 , Figure 5 ,Figure 9 , two second punching areas B8 are provided with two third punching areas C9 away from one side of the first punching area A3, and the two third punching areas C9 include first pressing plates C91 respectively fixed on the upper part of the lower die seat 1 and first pressing plates C91 respectively fixed on the lower part of the upper die seat 2, and the two first pressing plates C91 are located on the same horizontal line, and the two first pressing plates C91 are respectively fixed with second pressing plates C92 away from the side surfaces of the lower die seat 1 and the upper die seat 2, and the two second pressing plates C92 are fixedly connected with the side surfaces of two third pressing plates C93 away from the side surfaces of the two first pressing plates C91, and the two third pressing plates C93 are fixedly arranged with fourth pressing plates C94 away from the side surfaces of the two second pressing plates C92, and the two fourth pressing plates C94 abut against the upper and lower surfaces of the plate 7 away from the side surfaces of the two third pressing plates C93, thereby preventing the plate 7 from moving during the punching process and causing the conical hole head 61 to be unable to align with the hole of the plate 7, thereby unable to complete the hole punching step.

[0053] Referring to Figure 5 , Figure 9 , and a plurality of hole punching T-shaped columns 6 are arranged in the third punching area C9 fixed on the upper part of the lower die seat 1, and the plurality of hole punching T-shaped columns 6 are the same in structure and installation mode, and a plurality of conical hole heads 61 are fixed on the upper part of the plurality of hole punching T-shaped columns 6, and the plurality of conical hole heads 61 are the same in structure and can straighten the inner hole of the plate 7 with the arc-shaped hole wall portion of the arc-shaped flanging punch 41 upward, and form an upward flanging hole perpendicular to the plate 7, and the upper part of the flanging hole can be in the same plane through the cutting of the through hole punch 51, and an upper T-shaped column 62 is slidably arranged in the fourth pressing plate C94 arranged on the upper die seat 2, and the upper T-shaped column 62 is opposite to the conical hole head 61, and the upper T-shaped column 62 can abut against the conical hole head 61 to realize mutual limiting, and the upper T-shaped column 62 is fixedly connected with the extension end of a second hydraulic push rod 63 away from the conical hole head 61, and the second hydraulic push rod 63 is fixedly and penetratingly arranged with the second pressing plate C92 and the first pressing plate C91.

[0054] The third punching area C9 is responsible for the hole punching step after the previous two flanging and punching steps, the first pressing plate C91 is driven downward by the upper die seat 2, thereby driving the second pressing plate C92, the third pressing plate C93 and the fourth pressing plate C94 to move downward together, and the plate 7 is clamped by the third punching area C9 arranged on the upper part of the lower die seat 1, so that the plate 7 will not move during the hole punching process, which will affect the hole punching precision and the conical hole head 61 will not be accurately aligned with the hole of the plate 7, and the hole punching T-shaped column 6, the conical hole head 61 and the upper T-shaped column 62 can straighten the arc-shaped hole wall of the plate 7, and make the entire hole wall be in the same horizontal line, and can ensure that the flanging top is located in the same horizontal line, so that the probability of waste products is greatly reduced.

[0055] The implementation principle of the stamping structure for the part hole flanging is as follows: first, the plate 7 enters the first stamping area A3, then the upper die holder 2 drives the first stamping area A3 to move downward, and the protrusion groove 42 and the limiting tube 44 move downward together, and when contacting the plate 7, the first stamping area A3 on the lower die holder 1 cooperates with the first stamping area A3 on the upper die holder 2 to clamp and fix the plate 7, and the arc hole flanging punch 41 cooperates with the hole flanging T-shaped column 4 to lift the position needing to be hole flanged on the plate 7 upward by an arc, and a protrusion is punched on the upper part of the lifted arc under the action of the protrusion groove 42, then the lower die holder 1 and the upper die holder 2 are separated, and the first hole flanging and protrusion punching step is completed.

[0056] Next, the plate 7 is transported to the second stamping area B8, at this time, the upper die holder 2 drives the second stamping area B8 to move downward and cooperates with the second stamping area B8 on the lower die holder 1 to clamp and fix the plate 7, at the same time, the upper die holder 2 drives the through hole T-shaped column 5 and the through hole punch 51 to move downward, and aligns with the hole flanging and protrusion punching position on the plate 7, then cooperates with the lower T-shaped column 52 to cut the protrusion on the plate 7 when the protrusion is lifted, and then the cut protrusion falls downward along the waste passage 53.

[0057] After this step, the plate 7 is transported to the third stamping area C9, and the upper die holder 2 drives the third stamping area C9 to move downward and cooperates with the third stamping area C9 on the lower die holder 1 to clamp and fix the plate 7, and when clamping the plate 7, the conical hole punching head 61 is connected with the hole flanging on the plate 7, and the arc-shaped part on the upper part of the hole flanging is pushed upward by the conical hole punching head 61, and the hole flanging is more straight and smooth under the cooperation of the upper T-shaped column 62, and after this step, the hole flanging on the plate 7 is completed.

[0058] The above is only an optional embodiment of the disclosure, and is not used to limit the disclosure. For those skilled in the art, the disclosure can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the disclosure shall be included in the protection scope of the disclosure.

Claims

1. A press structure for punching a hole in a component, characterized by: The utility model relates to a ground installation lower die base (1), the upper portion of lower die base (1) is equipped with upper die base (2), lower die base (1), upper die base (2) one side symmetry is equipped with two first stamping area A (3), and the first stamping area A (3) of lower die base (1) is equipped with a plurality of structure and installation mode are same's hole flanging T type post (4) in, the upper portion of hole flanging T type post (4) is firmly equipped with the arc hole flanging punch (41) that can be up to the convex of plate (7) to, Two first stamping area A (3) one side is equipped with two second stamping area B (8), and the second stamping area B (8) of firmly setting in the lower portion of upper die base (2) is equipped with a plurality of structure and installation mode are same's through hole T type post (5), and the lower portion of through hole T type post (5) is firmly equipped with the through hole punch (51) that can be removed to the convex portion of plate (7) by arc hole flanging punch (41), Two second stamping area B (8) is equipped with two third stamping area C (9) away from first stamping area A (3) one side, and the third stamping area C (9) of firmly setting in the upper portion of lower die base (1) is equipped with a plurality of structure and installation mode are same's hole flanging T type post (6), and the upper portion of hole flanging T type post (6) is firmly equipped with the conical hole flanging head (61) that can make the hole of plate (7) being convex by arc hole flanging punch (41) straight smooth.

2. A press structure for punching a hole in a component according to claim 1, characterized in that: Two first stamping area A (3) include first pressing plate A (31) that are firmly set on the opposite side surface of lower die base (1), upper die base (2) respectively, two second pressing plate A (32) are firmly set to two first pressing plate A (31) away from lower die base (1), upper die base (2) one side, two third pressing plate A (33) are firmly set to two second pressing plate A (32) away from first pressing plate A (31) one side, two fourth pressing plate A (34) are firmly set to two third pressing plate A (33) away from second pressing plate A (32) one side, and two fourth pressing plate A (34) away from third pressing plate A (33) one side are mutually abutted with plate (7).

3. A press structure for punching a hole in a component according to claim 2, characterized in that: The third pressing plate A (33), fourth pressing plate A (34) inside of setting on upper die base (2) are firmly equipped with first hydraulic push rod (43) with the position opposite arc hole flanging punch (41), the limiting tube (44) is firmly equipped to the extension end of first hydraulic push rod (43), the protruding block groove (42) of setting in fourth pressing plate A (34) is equipped to the outside of limiting tube (44), the protruding block groove (42) diameter is less than the top diameter of arc hole flanging punch (41) and can allow arc hole flanging punch (41) to be entered into protruding block groove (42) with plate (7) is top, and limiting tube (44) can limit the depth of plate (7) being entered.

4. The stamped structure of a hole of a component according to claim 1, characterized in that: Two second punching areas B (8) include two first pressing plates B (81) respectively fixed on the opposite side surfaces of the lower die seat (1) and the upper die seat (2), two first pressing plates B (81) are fixed with second pressing plates B (82) away from one side of the lower die seat (1) and the upper die seat (2), the second pressing plate B (82) is fixed with the third pressing plate B (83) away from one side of the first pressing plate B (81), the third pressing plate B (83) is fixed with the fourth pressing plate B (84) away from one side of the second pressing plate B (82), and the fourth pressing plate B (84) is in abutment with the plate (7) away from one side of the third pressing plate B (83).

5. A press structure for punching holes in a component part according to claim 4, wherein: The fourth pressing plate B (84) provided on the lower die seat (1) is provided with a lower T column (52) corresponding to the through hole T column (5) inside, a waste channel (53) is provided inside the lower T column (52), and the waste channel (53) penetrates the entire first punching area A (3) and the lower die seat (1).

6. A press structure for punching holes in a component part according to claim 1, characterized in that: Two third punching areas C (9) include two first pressing plates C (91) respectively fixed on the opposite side surfaces of the lower die seat (1) and the upper die seat (2), two first pressing plates C (91) are fixed with second pressing plates C (92) away from one side of the lower die seat (1) and the upper die seat (2), the second pressing plate C (92) is fixed with the third pressing plate C (93) away from one side of the first pressing plate C (91), the third pressing plate C (93) is fixed with the fourth pressing plate C (94) away from one side of the second pressing plate C (92), and the fourth pressing plate C (94) is in abutment with the plate (7) away from one side of the third pressing plate C (93).

7. A press structure for punching holes in a component part according to claim 6, characterised in that: The fourth pressing plate C (94) provided on the upper die seat (2) is provided with an upper T column (62) in abutment with the conical hole head (61) inside and slidingly arranged at a symmetrical position of the conical hole head (61), and the upper T column (62) is fixed with a second hydraulic push rod (63) penetrating and fixed with the second pressing plate C (92) and the first pressing plate C (91) away from one side of the conical hole head (61).

8. The stamped structure of a hole of a component according to claim 1, characterized in that: The through hole punch (51) has a diameter greater than that of the bump groove (42) and can cut off the bump extruded by the bump groove (42) and the arc-shaped hole punching punch (41), and is discharged with the waste channel (53).

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