CN217343204U

CN217343204U - Two-engineering forming die for pulse wheel fine blanking without stamping collapsed edge

Info

Publication number: CN217343204U
Application number: CN202221420687.0U
Authority: CN
Inventors: 胡浩; 柴海明; 黄永明
Original assignee: Zhejiang Liming Zhizao Co ltd
Current assignee: Zhejiang Liming Zhizao Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-09-02
Anticipated expiration: 2032-06-07

Abstract

The utility model relates to the technical field of dies, in particular to a two-engineering forming die for pulse wheel fine blanking without stamping collapsed edges, which comprises a precise automatic stamping die and a precise forming die; the precise automatic stamping die consists of a first stamping movable die and a first stamping fixed die, the first stamping fixed die is fixedly arranged on the die carrier, and the first stamping fixed die is provided with a concave part for forming with the lower surface of the pulse wheel; the first stamping movable die is provided with a convex part for forming with the upper surface of the pulse wheel; a gap equal to the thickness of the pulse wheel is reserved between the concave part and the convex part; the precision forming die consists of a second punching movable die and a second punching fixed die, and the second punching movable die is provided with a convex part for final forming with the upper surface of the pulse wheel; the second stamping fixed die is provided with a concave part for assisting the second stamping movable die to finally form the pulse wheel; this application is through the mode of two engineerings to the impulse wheel blanking punching press, and the impulse wheel after making not only does not have the edge of sinking and the shear plane is smooth.

Description

Two-engineering forming die for pulse wheel fine blanking without stamping and edge collapsing

Technical Field

The utility model relates to the technical field of mold, specifically relate to a two engineering forming die that are used for pulse wheel fine blanking not have punching press collapsed edge.

Background

At present, most of pulse wheels are finished by a common stamping process with the diameter of less than 3mm, stamping collapsed edges can be formed in the stamping process of the pulse wheels in the prior art, and the shearing surfaces are rough; at the present stage, a thick plate pulse wheel with the thickness of more than 3mm needs to be developed to expand the market, and a precision forming process is developed at the same time, so that the two engineering forming dies for pulse wheel precision blanking without stamping and sagging, with the plate thickness of 5mm, no stamping and sagging and smooth shearing surface, are realized in mass production.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a two-step forming die for fine blanking without die sagging for a pulse wheel.

For solving the prior art problem, the utility model discloses a technical scheme be:

a two-project forming die for pulse wheel fine blanking without stamping collapsed edges comprises a precise automatic stamping die and a precise forming die; the precise automatic stamping die consists of a first stamping movable die and a first stamping fixed die, the first stamping fixed die is fixedly arranged on the die set, and the first stamping fixed die is provided with a concave part for forming the lower surface of the pulse wheel; the first stamping movable die is provided with a convex part for forming with the upper surface of the pulse wheel; a gap equal to the thickness of the pulse wheel is reserved between the concave part and the convex part, and a cavity matched with the shape of the pulse wheel is formed in the gap between the concave part and the convex part; the precision forming die consists of a second punching movable die and a second punching fixed die, and a convex part for final forming with the upper surface of the pulse wheel is arranged on the second punching movable die; the second fixed punching die is provided with a concave part for assisting the second movable punching die to finally form the pulse wheel.

Preferably, the first stamping movable die comprises a main male die and a stripper plate; the main male die is detachably mounted in the die core of the first stamping movable die, the stripper plate is arranged around the main male die, and the stripper plate is fixedly mounted on the first stamping movable die through bolts.

Preferably, the first stamping fixed die comprises a main female die and a first counter pressing plate; the main concave die is detachably mounted in the die core of the first stamping fixed die, the first back pressure plate surrounds the main concave die, and the first back pressure plate is fixedly mounted on the first stamping fixed die through bolts.

Preferably, the second stamping movable die comprises a second counter-pressure plate, the second counter-pressure plate is fixedly mounted on the second stamping movable die through bolts, and the second counter-pressure plate is arranged around the second stamping movable die core.

Preferably, the second punching movable die further comprises a forming punch; and the forming punch is fixedly arranged in the die core of the second punching movable die through a bolt.

Preferably, the second punching fixed die comprises an extrusion block, the extrusion block is fixedly mounted on the second punching fixed die through a bolt, and the extrusion block is arranged relative to the second back pressure plate.

Compared with the prior art, the beneficial effect of this application is:

this application leads to accurate automatic stamping die and precision forming mould's cooperation, at first carries out the punching press of semi-manufactured goods to the impulse wheel raw and other materials, carries out the post forming through precision forming mould to the impulse wheel semi-manufactured goods, and the impulse wheel that can effectual assurance final forming does not have the complete smooth impulse wheel of punching press edge collapse shear plane.

Drawings

FIG. 1 is a perspective view of the present application;

fig. 2 is a perspective view of the precision automatic stamping die of the present application.

FIG. 3 is a side view of a precision automated stamping die of the present application;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a side view of a precision forming die of the present application;

fig. 6 is a sectional view taken at B-B of fig. 5.

The reference numbers in the figures are:

1-precision automatic stamping die; 1 a-a first punching movable die; 1a 1-primary punch; 1a 2-stripper plate; 1 b-a first stamped stationary die; 1b 1-main female die; 1b2 — first counter plate;

2-precision forming mould; 2 a-a second punching movable die; 2a1 — second counter plate; 2a 2-forming punch; 2 b-a second stamping fixed die; 2b 1-extruded block.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 6, the present application provides:

a two-project forming die for pulse wheel fine blanking without stamping collapsed edges comprises a precise automatic stamping die 1 and a precise forming die 2; the precise automatic stamping die 1 consists of a first stamping movable die 1a and a first stamping fixed die 1b, wherein the first stamping fixed die 1b is fixedly arranged on a die carrier, and the first stamping fixed die 1b is provided with a concave part for forming with the lower surface of a pulse wheel; the first punching movable die 1a has a convex portion for molding with the upper surface of the pulse wheel; a gap equal to the thickness of the pulse wheel is reserved between the concave part and the convex part, and a cavity matched with the shape of the pulse wheel is formed in the gap between the concave part and the convex part; the precision forming die 2 consists of a second punching movable die 2a and a second punching fixed die 2b, and the second punching movable die 2a is provided with a convex part for final forming with the upper surface of the pulse wheel; the second fixed punching die 2b has a recess for assisting the second movable punching die 2a in final molding of the pulse wheel.

Based on the above embodiment, when the pulse wheel needs to be punched and produced, firstly, the raw material of the pulse wheel is placed between the first punching movable die 1a and the first punching fixed die 1b, the semi-finished product of the pulse wheel is punched through the cooperation of the first punching movable die 1a and the first punching fixed die 1b, after punching is finished, the semi-finished product of the pulse wheel is taken out, the semi-finished product of the pulse wheel is placed between the second punching movable die 2a and the second punching fixed die 2b, and the semi-finished product of the pulse wheel is subjected to secondary processing through the second punching movable die 2a and the second punching fixed die 2b until the pulse wheel is finally formed and then taken out.

Further, as shown in fig. 3 and 4:

the first punching movable die 1a includes a main punch 1a1 and a stripper plate 1a 2; the main punch 1a1 is detachably mounted in the core of the first punching movable die 1a, the stripper plate 1a2 is arranged around the main punch 1a1, and the stripper plate 1a2 is fixedly mounted on the first punching movable die 1a through bolts.

Based on the above embodiment, the stripper plate 1a2 is used to perform the material returning operation on the pulse wheel half-way product when the first punching movable die 1a and the first punching fixed die 1b are separated, the main punch 1a1 is a convex part in the first punching movable die 1a, and the main punch 1a1 is used to punch and form the upper surface of the pulse wheel.

Further, as shown in fig. 4:

the first fixed punching die 1b comprises a main concave die 1b1 and a first back pressure plate 1b 2; the main die 1b1 is detachably mounted in the die core of the first fixed stamping die 1b, the first counter pressing plate 1b2 is arranged around the main die 1b1, and the first counter pressing plate 1b2 is fixedly mounted on the first fixed stamping die 1b through bolts.

Based on the above embodiment, the main concave die 1b1 is a concave part in the first fixed punching die 1b, the main concave die 1b1 is used for cooperating with the main convex die 1a1 to form the lower surface of the pulse wheel, and the first counter-pressure plate 1b2 is used for cooperating with the discharge plate 1a2 to support and clamp the pulse wheel raw material to be formed which is placed between the first movable punching die 1a and the first fixed punching die 1 b.

Further, as shown in fig. 6:

the second punching movable die 2a comprises a second counter-pressure plate 2a1, the second counter-pressure plate 2a1 is fixedly mounted on the second punching movable die 2a through bolts, and the second counter-pressure plate 2a1 is arranged around the core of the second punching movable die 2 a.

Based on the above embodiment, the second counter pressing plate 2a1 is used to press the edge of the pulse wheel semi-finished product placed between the second movable punching die 2a and the second fixed punching die 2b, and the pulse wheel semi-finished product is pressed at the second movable punching die 2a and the second fixed punching die 2 b.

Further, as shown in fig. 6:

the second punching movable die 2a further includes a forming punch 2a 2; the molding punch 2a2 is fixedly mounted in the core of the second punching movable die 2a by bolts.

Based on the above embodiment, the forming punch 2a2 is a convex portion in the second punching movable die 2a, and the forming punch 2a2 is a pulse wheel final forming punch.

Further, as shown in fig. 6:

the second fixed pressing die 2b comprises a pressing block 2b1, the pressing block 2b1 is fixedly mounted on the second fixed pressing die 2b through bolts, and the pressing block 2b1 is arranged opposite to the second counter plate 2a 1.

Based on the above embodiment, the final forming of the impulse wheel is completed by the forming punch 2a2 under the double down pressure of the second counter pressure plate 2a1 and the pressing block 2b1 in the working state, so that the impulse wheel with a completely smooth shear surface without punching sag is achieved.

The pulse wheel is blanked and stamped in two engineering modes, and the manufactured pulse wheel is free of collapsed edges and smooth in shearing surface; compared with the traditional process for manufacturing the thick plate pulse wheel, the thick plate pulse wheel manufactured by the process has the advantages that the thickness of a part plate can be reduced by 25% due to the same signal pickup area, the weight of the part is reduced, and the use cost of the raw material of the part is reduced.

The above examples are merely illustrative of one or more embodiments of the present invention, and the description thereof is more specific and detailed, but not intended to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A two-project forming die for pulse wheel fine blanking without stamping and sagging is characterized by comprising a precise automatic stamping die (1) and a precise forming die (2); the precise automatic stamping die (1) consists of a first stamping moving die (1a) and a first stamping fixed die (1b), wherein the first stamping fixed die (1b) is fixedly arranged on a die carrier, and the first stamping fixed die (1b) is provided with a concave part for forming the lower surface of the pulse wheel; the first stamping movable die (1a) is provided with a convex part for forming the upper surface of the pulse wheel; a gap equal to the thickness of the pulse wheel is reserved between the concave part and the convex part, and a cavity matched with the shape of the pulse wheel is formed in the gap between the concave part and the convex part; the precision forming die (2) consists of a second stamping movable die (2a) and a second stamping fixed die (2b), and a convex part for final forming with the upper surface of the pulse wheel is arranged on the second stamping movable die (2 a); the second fixed punching die (2b) is provided with a concave part for assisting the second movable punching die (2a) to finally form the pulse wheel.

2. The two-stage forming die for the pulse wheel fine blanking without the punching sag according to claim 1, wherein the first punching movable die (1a) comprises a main punch (1a1) and a stripper plate (1a 2); the main punch (1a1) is detachably arranged in the core of the first stamping movable die (1a), the stripper plate (1a2) is arranged around the main punch (1a1), and the stripper plate (1a2) is fixedly arranged on the first stamping movable die (1a) through bolts.

3. The two-stage forming tool for the fine blanking of a pulse wheel without the press roll off as claimed in claim 2, wherein the first stationary punching die (1b) comprises a main die (1b1) and a first counter plate (1b 2); the main concave die (1b1) is detachably mounted in a die core of the first stamping fixed die (1b), the first counter pressing plate (1b2) is arranged around the main concave die (1b1), and the first counter pressing plate (1b2) is fixedly mounted on the first stamping fixed die (1b) through bolts.

4. The two-step forming die for the fine blanking of the pulse wheel without the stamping sag as claimed in claim 3, wherein the second stamping movable die (2a) comprises a second counter pressing plate (2a1), the second counter pressing plate (2a1) is fixedly mounted on the second stamping movable die (2a) through bolts, and the second counter pressing plate (2a1) is arranged around the core of the second stamping movable die (2 a).

5. The two-step forming die for the fine blanking of the pulse wheel without the stamping sag as claimed in claim 4, wherein the second stamping movable die (2a) further comprises a forming punch (2a 2); the molding punch (2a2) is fixedly mounted in the die core of the second punching movable die (2a) through bolts.

6. Two-engineering forming die for pulse wheel fine blanking without stamping sagging according to claim 5, characterized in that the second stamping fixed die (2b) comprises a pressing block (2b1), the pressing block (2b1) is fixedly mounted on the second stamping fixed die (2b) through bolts, and the pressing block (2b1) is arranged opposite to the second counter plate (2a 1).