CN217912398U - Trimming and punching structure - Google Patents

Abstract

The utility model relates to a side cut device technical field that punches a hole especially relates to a side cut structure of punching a hole, and its technical scheme includes: including drift fixed plate and material returning plate, material returning plate lower surface four corners department fixed mounting respectively has the support column, the material returning plate inboard has the drift body to pass, drift body top welded mounting is in the middle of the drift fixed plate lower surface, the drift body outside adopts the annular structure design, drift body centre of a circle department is provided with towards the needle, the high phase-match in drift needle height and the drift body outside on the drift body, material returning hole has been seted up at the inboard top of drift body. The utility model provides a machined part when punching a hole and cut edge, need prepare two sets of moulds and cut edge and punch a hole the easy problem that warp of back machined part.

Description

Trimming and punching structure

Technical Field

The utility model relates to a side cut device technical field that punches a hole specifically is a side cut structure of punching a hole.

Background

A punch trim apparatus is a stamping process that uses a die to separate a portion of a material or work piece from another portion of the material, work piece, or scrap. Punching, it is in order to adapt to different demands specifically to have: splayed holes, hexagonal holes, punching plates, long holes, square holes, round holes, punching plate nets, triangular holes and the like.

A large number of searches find that: the Chinese utility model patent: application number [ CN201821661162.X ], publication number [ CN209109975U ], the utility model discloses a punch a hole, cut edge and angle of turning integral type mould structure, including first nitrogen cylinder, second nitrogen cylinder and angle of turning steel piece. In the process of closing the die, the metal plate part is firstly sunk through the guide pin to position the metal plate part, then the spring compression behind the guide pin uses the first nitrogen cylinder force as a force source to complete the angle turning of the metal plate part, and the second nitrogen cylinder compression uses the force source in the third step to press the metal plate part to position the punching and trimming operations, and finally the bed continues to close the die to complete the punching and trimming.

However, the trimming and punching of the forge piece are separated by two sets of dies, and the dies need to be provided with two sets of dies; the forged piece that punches a hole after the side cut warp easily, and product concentricity also is difficult to guarantee, consequently needs a side cut structure of punching a hole to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a side cut structure of punching a hole possesses saving manufacturing cost, reduces the advantage that the machined part warp, when having solved the machined part and punching a hole and cut edge, need prepare two sets of moulds and cut edge and punch a hole the easy problem that warp of back machined part.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a side cut structure of punching a hole, includes lower bolster, lower mould body, drift fixed plate, cope match-plate pattern and material returned board, material returned board lower surface four corners department respectively fixed mounting have the support column, the material returned board inboard has the drift body to pass, drift body top welded mounting is in the middle of drift fixed plate lower surface, the drift body outside adopts annular structural design, drift body centre of a circle department is provided with towards the needle, the height of the needle that dashes on the drift body and the high phase-match in the drift body outside, the material returned hole has been seted up at the inboard top of drift body.

Preferably, four the support column bottom is fixed mounting respectively in lower mould body upper surface four corners department, and lower mould body lower surface both sides are fixed mounting respectively has the lower mould backup pad, and two lower mould backup pad bottoms are fixed mounting respectively in lower bolster upper surface both sides. Through at lower mould body lower surface fixed mounting lower mould backup pad to after the machined part punches a hole, can make the waste material fall to two relative one sides of lower mould backup pad, thereby conveniently get the material.

Preferably, a through groove is formed in the middle of the upper surface of the lower die body, a workpiece is movably placed on the through groove, and the size of the workpiece is larger than that of the through groove in the lower die body. Through set up through the groove and place the machined part on the lower mould body to after the processing that punches a hole is accomplished, the waste material that punches a hole and form can fall through the groove.

Preferably, the four corners of the upper surface of the punch fixing plate are respectively provided with a hole and movably provided with a mounting bolt, and the punch fixing plate is fixedly mounted on the lower surface of the upper template through the mounting bolt. Through setting up construction bolt to conveniently carry out fixed mounting and change to the drift fixed plate.

Preferably, a through hole is formed in the upper template at the position opposite to the material returning hole. Through the through holes are formed in the positions, corresponding to the material returning holes, of the upper miscellaneous template, the guide rods can be inserted into the through holes, and the material returning operation of the formed machined parts is achieved through the material returning holes.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up the drift body to pass through the drift fixed plate with the drift body and install the cope match-plate pattern lower surface, move down through the lower bolster during the use, and through this internal needle that dashes that sets up of drift, thereby when using, punch a hole and cut edge the operation and go on in step. Thereby punch a hole and cut edge the operation to the machined part, simultaneously, after the operation of cutting edge of punching a hole is accomplished, the accessible material returned hole realizes the quick material returned operation, has reached saving manufacturing cost, reduces the effect that the component warp.

Drawings

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

fig. 2 is a schematic view of the connection structure of the upper plate viewed from the bottom.

In the figure: 1. a lower template; 2. a lower die supporting plate; 3. a lower die body; 4. a support pillar; 5. a punch body; 6. a punch fixing plate; 7. mounting a template; 8. a material returning plate; 9. processing a workpiece; 10. installing a bolt; 11. and a material returning hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 to fig. 2, the present invention provides an embodiment: the utility model provides a side cut structure of punching a hole, includes lower bolster 1, lower mould body 3, drift fixed plate 6, cope match-plate pattern 7 and material returning plate 8, and the four corners of 8 lower surfaces of material returning plate do not fixed mounting have support column 4, and 8 inboard drift bodies 5 that have of material returning plate pass, and 5 top welded installations of drift bodies are in the middle of 6 lower surfaces of drift fixed plate, are equipped with in the middle of 3 upper surfaces of lower mould body and link up the groove and the activity has placed machined part 9, and machined part 9 size is greater than link up the groove size on the lower mould body 3. Through the through groove formed in the lower die body 3 and the workpiece 9 placed in the through groove, waste formed by punching can fall through the through groove after the punching process is completed. Four corners of the upper surface of the punch fixing plate 6 are respectively provided with a hole and movably provided with mounting bolts 10, and the punch fixing plate 6 is fixedly arranged on the lower surface of the upper template 7 through the mounting bolts 10. By arranging the mounting bolt 10, the punch fixing plate 6 can be fixedly mounted and replaced conveniently. The design of annular structure is adopted in the 5 outsides of drift body, and 5 centre of a circle departments of drift body are provided with towards the needle, and the high phase-match of the high and 5 outside height phases of towards the needle on the drift body 5, and material returned hole 11 has been seted up at the inboard top of drift body 5. The upper template 7 at the position corresponding to the material returning hole 11 is provided with a through hole. Through the miscellaneous cope match-plate pattern 7 and material returned hole 11 correspond the position and set up the through-hole to the accessible inserts the guide arm in the through-hole, thereby realizes the material returned operation of shaping machined part 9 through material returned hole 11. Through setting up drift body 5 to install drift body 5 at cope match-plate pattern 7 lower surface through drift fixed plate 6, move down through lower bolster 1 during the use, and through set up the punching needle in drift body 5, thereby when using, punch a hole and cut edge the operation and can go on in step. Thereby punch a hole and cut edge the operation to machined part 9, simultaneously, after the operation of cutting edge of punching a hole is accomplished, the quick material returned operation of accessible material returned hole 11 realization has reached saving manufacturing cost, reduces the effect that the component warp.

Example two

Referring to fig. 1 to fig. 2, the present invention provides an embodiment: the utility model provides a side cut structure of punching a hole, compares in embodiment one, and this embodiment still includes lower bolster 1, lower mould body 3, drift fixed plate 6, cope match-plate pattern 7 and stripper plate 8, and 8 lower surface four corners departments of stripper plate have support column 4 respectively fixed mounting, and 4 bottoms of four support columns are fixed mounting in 3 upper surface four corners departments of lower mould body respectively, and 3 lower surface both sides of lower mould body have lower mould backup pad 2 respectively fixed mounting, and 2 bottoms of two lower mould backup pads are fixed mounting in 1 upper surface both sides of lower bolster respectively. Through at 3 lower fixed surface installations lower mould backup pad 2 of lower mould body to after the machined part 9 punches a hole, can make the waste material fall to two relative one sides of lower mould backup pad 2, thereby conveniently get the material. The punch body 5 penetrates through the material returning plate 8.

The working principle is as follows: the processing piece 9 is placed in the middle of the upper surface of the lower die plate 1, the punching fixing plate is mounted on the lower surface of the upper die plate 7 through the mounting bolt 10, therefore, when the punching die is used, the punching head body 5 penetrates through the stripper plate 8 to be mounted, synchronous punching and trimming are carried out on the processing piece 9 through downward movement of the punching head body 5, and after processing is completed, a guide rod is inserted into a through hole in the upper die plate 7, so that the guide rod penetrates through the stripper hole 11, and the formed processing piece 9 is ejected.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a side cut structure of punching a hole, includes lower bolster (1), lower mould body (3), drift fixed plate (6), cope match-plate pattern (7) and material returned board (8), its characterized in that: stripper plate (8) lower surface four corners department fixed mounting respectively has support column (4), stripper plate (8) inboard has drift body (5) to pass, drift body (5) top welded mounting is in the middle of drift fixed plate (6) lower surface, the annular structure design is adopted in drift body (5) outside, drift body (5) centre of a circle department is provided with towards the needle, it highly matches with drift body (5) outside height to dash the needle on drift body (5), material returned hole (11) have been seted up at drift body (5) inboard top.

2. The trimming and punching structure according to claim 1, wherein: four support column (4) bottom is fixed mounting respectively in lower mould body (3) upper surface four corners department, and lower mould body (3) lower surface both sides are fixed mounting respectively has lower mould backup pad (2), and two lower mould backup pad (2) bottoms are fixed mounting respectively in lower bolster (1) upper surface both sides.

3. The trimming and punching structure according to claim 1, wherein: the middle of the upper surface of the lower die body (3) is provided with a through groove, a workpiece (9) is movably placed in the through groove, and the size of the workpiece (9) is larger than that of the through groove in the lower die body (3).

4. The trimming and punching structure according to claim 1, wherein: four corners of the upper surface of the punch fixing plate (6) are respectively provided with a hole and movably provided with mounting bolts (10), and the punch fixing plate (6) is fixedly mounted on the lower surface of the upper template (7) through the mounting bolts (10).

5. The trimming and punching structure according to claim 1, wherein: and through holes are formed in the upper template (7) at the positions corresponding to the material returning holes (11).

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