CN219503575U - A stamping die for cylindrical workpiece - Google Patents

Abstract

The utility model relates to the technical field of stamping forming die forming, in particular to a stamping forming die for a cylindrical workpiece, which comprises an inner die, an outer die, a die base and a plurality of stamping mechanisms, wherein the outer die is fixed above the die base, the inner die is arranged in the outer die, and the cylindrical workpiece is arranged between the inner die and the outer die; the upper end face of the outer die is provided with the bolt installation block, the four sides of the outer die are symmetrically provided with stamping mechanisms of the same structure respectively, the stamping mechanisms arranged outside the outer die are suitable for stamping forming of cylindrical workpieces, and compared with the traditional stamping technology, the beneficial effect that the workpieces generate larger deformation defects in the plate rolling process is achieved.

Description

A stamping die for cylindrical workpiece

technical field

The utility model relates to the technical field of stamping forming dies, in particular to a stamping forming die for cylindrical workpieces.

Background technique

It is known at present that the stamping molds of the prior art are mostly used for stamping on flat workpieces, and their structures are mostly composed of upper and lower molds and punches for stamping up and down, but it is difficult to stamp cylindrical workpieces. Most of the stamping methods for cylindrical workpieces are stamped on a flat mold first, and then rolled into cylindrical workpieces after stamping and forming. Large deformation, aiming at the above technical defects, the utility model proposes a stamping mold for cylindrical workpieces, which is suitable for stamping and forming cylindrical workpieces through the stamping mechanism arranged outside the mold, which is different from the traditional Compared with the advanced stamping technology, it has the beneficial effect of solving the large deformation defects of the workpiece during the sheet rolling process.

Utility model content

The purpose of the utility model is to solve the problems in the prior art, and propose a stamping mold for cylindrical workpieces.

In order to achieve the above object, the utility model adopts the following technical solutions:

A stamping mold for a cylindrical workpiece, comprising an inner mold, an outer mold, a mold base and a plurality of stamping mechanisms, the outer mold is fixed above the mold base, the inner mold is arranged inside the outer mold, A cylindrical workpiece is installed between the inner mold and the outer mold; a bolt mounting block is installed on the upper surface of the outer mold, and stamping mechanisms with the same structure are symmetrically arranged on four sides of the outer mold.

Further, each stamping mechanism includes an oil cylinder, an oil cylinder installation pillar, a pressing plate, a punch and a punch connecting plate; the oil cylinders are respectively installed on four sides of the outer mold through the oil cylinder installation pillar.

Further, a cavity space is provided in the middle of the outer mold, and the inner mold is movably installed in the cavity space.

Further, an annular compartment is formed between the inner mold and the outer mold, and a cylindrical workpiece is arranged in the annular compartment.

Further, a positioning hole is provided on the cylindrical workpiece, and the bolt installation block is movably connected to the positioning hole through a bolt.

Further, the piston rod of the oil cylinder is connected with the pressure plate.

Further, the pressing plate and the punch connecting plate are fixed by bolts.

Further, the punch connecting plate is provided with a plurality of grooves, and a punch is respectively installed in each groove.

Further, the punch passes through the outer mold and makes active contact with the cylindrical workpiece.

Further, a plurality of protrusions are arranged symmetrically on the outside of the circumference of the inner mold for supporting the inside of the cylindrical workpiece.

Compared with the prior art, the utility model has the advantages of:

The utility model is a stamping mold for cylindrical workpieces, which is suitable for stamping and forming cylindrical workpieces through the stamping mechanism arranged outside the mold. The beneficial effect of producing larger deformation defects in the paper process.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of stamping mold in the utility model;

Fig. 2 is the top view of stamping mold in the utility model;

Fig. 3 is a transverse sectional view of the stamping die in the utility model;

Fig. 4 is the structure diagram of the sample before the stamping of the cylindrical workpiece in the utility model;

Fig. 5 is the structure diagram of the sample after the stamping of the cylindrical workpiece in the utility model;

In the figure: 1-mold base; 2-outer mold; 3-inner mold; 4-cylindrical workpiece; 5-oil cylinder; 6-oil cylinder installation pillar; 7-punch; 8-punch connecting plate; Mounting block; 10-bolt; 11-pressure plate; 12-projection; 13-positioning hole.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment 1: Please refer to Fig. 1-Fig. 3, a stamping mold for cylindrical workpieces, including an inner mold 3, an outer mold 2, a mold base and a plurality of stamping mechanisms, and the outer mold 2 is fixed Above the mold base 1, a cavity space is provided in the middle of the outer mold, and then the inner mold 3 is movably installed in the cavity space, so that the inner mold 3 is located inside the outer mold 2, and the inner mold 3 and the outer mold 2 An annular compartment is formed between them, and the cylindrical workpiece 4 is placed in the annular compartment.

Embodiment 2: On the basis of Embodiment 1, please continue to refer to FIG. 1-FIG. 3 in combination with FIG. 4 or FIG. Positioning holes 13, so that the bolt mounting block 9 corresponds to the positioning hole 13 of the cylindrical workpiece 4, and then the bolt 10 passes through the bolt mounting block 9 and is fixed with the positioning hole 13 of the cylindrical workpiece 4 for punching During the process, the mold performs positioning and anti-deflection of the cylindrical workpiece 4.

Embodiment 3: On the basis of Embodiment 2, please continue to refer to FIG. 1 in combination with FIG. 2 , four protrusions 12 are arranged symmetrically outside the circumference of the inner mold 3 for supporting the inside of the cylindrical workpiece 4, The bump 12 is used to support the inner wall of the cylindrical workpiece 4, so that the cylindrical workpiece 4 can also be positioned and deflected during the stamping process in the second embodiment.

Embodiment 4: On the basis of Embodiment 1, please continue to refer to Fig. 1-Fig. 2 in combination with Fig. 3, the four sides of the outer mold 2 are respectively symmetrically provided with stamping mechanisms of the same structure, wherein, in this embodiment There are 4 stamping mechanisms, which are respectively arranged on the front side, the rear side, the left side and the right side of the outer mold 2. Each stamping mechanism includes an oil cylinder 5, an oil cylinder installation pillar 6, a pressing plate 11, a punch 7 and a punch connecting plate 8. The oil cylinders 5 are respectively installed on the four sides of the outer mold 2 through the oil cylinder installation pillars 6. In this embodiment, the oil cylinder installation pillars 6 of each oil cylinder 5 have 4 cylinders, and the 4 cylinders are symmetrically distributed. It is fixed on each side of the outer mold to ensure the overall stability of the mold when the oil cylinder 5 is stamping.

Embodiment 5: On the basis of Embodiment 4, please continue to refer to Fig. 1-Fig. 2 in combination with Fig. 3, connect the piston rod of the oil cylinder 5 with the pressure plate 11, connect the pressure plate 11 with the punch connecting plate 8, and connect the The method is fixedly connected by bolts, and a plurality of grooves are sequentially arranged on the punch connecting plate 8 from top to bottom. The number of grooves, a punch 7 is installed in each corresponding groove.

Embodiment 6: In this embodiment, there are 4 punch connecting plates 8, and each punch connecting plate 8 is correspondingly connected with 3 punches from top to bottom, so that each punch 7 passes through Over the outer mold 2 and in movable contact with the cylindrical workpiece 4 inside the outer mold 2 .

Embodiment 7: On the basis of Embodiment 6, please continue to refer to Fig. 1-Fig. 3 in conjunction with Fig. 4 and Fig. 5, when the stamping die is working, first put the cylindrical workpiece 4 into the die, and use the latch 10 Insert the cylindrical workpiece 4 into the positioning hole 13 of the cylindrical workpiece 4 after passing through the bolt installation block 9, and then fix the cylindrical workpiece 4; the oil cylinder 5 pushes the pressure plate 11 to move inward, so that the punch 7 moves toward the inner cylindrical workpiece. The outer wall of 4 is stamped, and at the same time, during the stamping process, there are 4 bumps 12 to withstand the inner wall of the cylindrical workpiece 4, so that the components on the cylindrical workpiece 4 are quickly stamped and formed.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (10)

1. A stamping mold for a cylindrical workpiece, comprising an inner mold (3), an outer mold (2), a mold base (1) and a plurality of stamping mechanisms, characterized in that: the outer mold (2 ) is fixed above the mold base (1), the inner mold (3) is arranged inside the outer mold (2), and a cylindrical workpiece (4) is installed between the inner mold (3) and the outer mold (2) ; A latch installation block (9) is installed on the upper surface of the outer mold (2), and stamping mechanisms with the same structure are symmetrically arranged on the four sides of the outer mold (2). 2. A stamping mold for cylindrical workpieces according to claim 1, characterized in that: each stamping mechanism includes an oil cylinder (5), an oil cylinder mounting pillar (6), and a pressing plate (11) , the punch (7) and the punch connecting plate (8); the oil cylinder (5) is respectively installed on the four sides of the outer mold (2) through the oil cylinder installation pillar (6). 3. A stamping mold for cylindrical workpieces according to claim 1, characterized in that: a cavity space is provided in the middle of the outer mold (2), and the inner mold (3) is movable installed in the cavity space. 4. A stamping die for a cylindrical workpiece according to claim 3, characterized in that: a ring-shaped compartment is formed between the inner die (3) and the outer die (2). A cylindrical workpiece (4) is arranged in the shaped compartment. 5. A stamping die for a cylindrical workpiece according to claim 1, characterized in that: a positioning hole (13) is provided on the cylindrical workpiece (4), and the bolt mounting block (9 ) and the positioning hole (13) are flexibly connected through the latch (10). 6. A stamping die for a cylindrical workpiece according to claim 2, characterized in that: the piston rod of the oil cylinder (5) is connected to the pressing plate (11). 7. A stamping mold for a cylindrical workpiece according to claim 2, characterized in that: the pressing plate (11) and the punch connecting plate (8) are fixed by bolts. 8. A stamping mold for cylindrical workpieces according to claim 2, characterized in that: the punch connecting plate (8) is provided with a plurality of grooves, and each groove is respectively A punch (7) is installed. 9. A stamping die for a cylindrical workpiece according to claim 6, characterized in that: the punch (7) passes through the outer mold (2) and the cylindrical workpiece ( 4) Make active contacts. 10. A stamping die for a cylindrical workpiece according to claim 7, characterized in that: the outer circumference of the inner mold (3) is symmetrically provided with a plurality of bumps (12) for The inside of the cylindrical workpiece (4) is supported.