CN219233699U

CN219233699U - Punching die

Info

Publication number: CN219233699U
Application number: CN202222526637.7U
Authority: CN
Inventors: 刘铸剑; 汪明; 刘佛安; 杨文辉
Original assignee: Dingmg New Material Technology Co ltd
Current assignee: Dingmg New Material Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-06-23
Anticipated expiration: 2032-09-23

Abstract

The application relates to a cut-out press, include: the punch is used for punching; the upper die is used for pressing the blank, and the punch is slidably arranged in the upper die; the device connecting block is arranged in the inner cavity of the upper die and used for connecting a punch and a power output sliding block of the punch; the pressing block is arranged below the punch and is used for connecting the equipment connecting block and the punch; and the lower die assembly is arranged below the upper die. The punching die adopts a mode that the pressing block directly connects the punch with the equipment connecting block, so that the hidden danger of broken screws of the connector of the existing die structure is solved; the punch head does not need to be manually lifted and installed during installation, so that the safety of die loading is improved; the hole site with larger press block countersunk head reduces die-filling difficulty.

Description

Punching die

Technical Field

The application belongs to stamping die technical field, especially relates to a cut-out press.

Background

A stamping die is a special process equipment for processing a material (metal or nonmetal) into a part (or a semi-finished product) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a material is pressed at room temperature by a die attached to a press to be separated or plastically deformed, thereby obtaining a desired part. At present, the forging punching die adopts a manual upper punch installation mode, and a standard punching punch is convenient to install for the forging rim with smaller size. But the installation difficulty of the punch for the large size (19 inches, 20 inches, 21 inches) of the punch is large. Firstly, the heavy manual installation of the punch is difficult; secondly, because the structure of punching a hole is complicated, the punch connecting rod screw fracture appears easily when punching a hole.

Disclosure of Invention

The utility model aims to solve the technical problems that: in order to solve the defects in the prior art, the punching die is provided, and aims to at least solve one of the problems that the punch with large weight is difficult to install and the punch connection is unstable.

The technical scheme adopted for solving the technical problems is as follows: a punching die comprising:

the punch is used for punching;

the upper die is used for pressing the blank and guiding the punch, and the punch is slidably arranged in the upper die;

the device connecting block is arranged in the inner cavity of the upper die and used for connecting a punch and a power output sliding block of the punch;

the pressing block is arranged below the punch and is used for connecting the equipment connecting block and the punch;

the lower die assembly is arranged below the upper die;

a detachable connecting structure is arranged between the inner cavity of the upper die and the punch and used for connecting the punch in the inner cavity of the upper die when the punch is installed.

Preferably, in the punching die, the punch is bowl-shaped, and the opening is downward.

Preferably, in the punching die, the pressing block is arranged on the bottom plate of the inner cavity of the punch.

Preferably, in the punching die, a through hole is formed in the inner cavity bottom plate of the punch, a connecting piece is arranged on the pressing block, and the connecting piece penetrates through the through hole in the inner cavity bottom plate of the punch and is connected with the equipment connecting block.

Preferably, the lower die assembly comprises a lower die, a lower die bearing seat, a lower die plate and a blanking device, wherein the lower die is arranged below the upper die and used for being matched with the upper die to press blanks, the lower die is connected to the lower die bearing seat below, the lower die plate is arranged below the lower die bearing seat, and the blanking device is arranged on the lower die plate.

Preferably, in the punching die, a heightening block is arranged between the lower die bearing seat and the lower die plate.

Preferably, in the punching die, a connector is further arranged between the lower die and the upper die.

Preferably, according to the punching die disclosed by the utility model, the upper die plate is fixedly arranged above the upper die plate, the avoidance through hole is arranged above the upper die plate, and the avoidance through hole is communicated with the inner cavity of the upper die.

The beneficial effects of the utility model are as follows:

1. the punching die adopts a mode that the pressing block directly connects the punch with the equipment connecting block, so that the hidden danger of broken screws of the connector of the existing die structure is solved;

2. the punch head does not need to be manually lifted and installed during installation, so that the safety of die loading is improved;

3. the hole site with larger press block countersunk head reduces die-filling difficulty.

Drawings

The technical scheme of the application is further described below with reference to the accompanying drawings and examples.

FIG. 1 is a schematic view of the internal structure of an embodiment of the present application;

fig. 2 is a three-dimensional schematic of the overall structure of an embodiment of the present application.

The reference numerals in the figures are:

a punch 1;

an upper die 2;

a device connection block 3;

a briquetting 4;

lower die assembly 5, lower die 51, lower die holder 52, lower die plate 53, feeder 54, and height increasing block 55;

a connector 6;

and an upper die plate 7.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application can be understood by those of ordinary skill in the art in a specific context.

The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in combination with embodiments.

Examples

The present embodiment provides a punching die, referring to fig. 1, including:

the punch 1 is used for punching, in this embodiment, the punch 1 is set to be bowl-shaped, and the opening is downward, a circular punch cutting edge is arranged at the bowl opening, and the lower port is set to be a punch cutting edge for punching a large-size hole.

The upper die 2 is used for pressing blanks and guiding punches, the punches 1 are slidably arranged in the upper die 2, the inner cavity of the upper die 2 is provided with a connecting structure, specifically, in the embodiment, the inner cavity of the upper die 2 is provided with an annular ring, a threaded hole parallel to the axis of the punches 1 is formed in the annular ring, matched bolt holes are formed in the punches below the threaded hole, during installation, the punches 1 are connected to the upper die by two screws, after the die is installed on a machine table, the middle of the die is fixed to the upper punch by the screws, and then the two connecting screws are removed to realize the up-down movement of the punches without manually lifting the punches. In order to reduce the shake of the punch head 1 during descending, the outer wall of the annular cutting edge of the lower end of the punch head 1 is in sliding contact with the inner wall of the inner cavity of the upper die, and the contact surfaces of the outer wall and the annular cutting edge are polished smoothly, so that the sliding friction force is reduced.

The device connecting block 3 is used for connecting the power take-off slide block of drift and punch press, specifically, in this embodiment, the device connecting block 3 sets up to flat cylindric, and the height of cylinder is less than its radius promptly, and the structural connection of platykurtic is stable, can reduce the shake, sets up the shoulder hole in the device connecting block 3 axis outside, through the bolt with device connecting block 3 fixed mounting to the power take-off slide block of punch press on, still is provided with the screw hole in the axis department of device connecting block 3.

The briquetting 4, briquetting 4 sets up in punch 1 below for connecting equipment connecting block 3 and punch 1, specifically, in this embodiment, briquetting 4 sets up to the cake form, sets up the shoulder hole along the axis of briquetting 4, and the shoulder hole runs through the screw hole intercommunication of the axis department of punch roof and equipment connecting block 3, and during the punch installation, with briquetting 4 butt roof on punch 1 inner chamber, peg graft the bolt in the shoulder hole, then rotatory spiro union is on the screw hole of equipment connecting block 3 axis department, with punch 1 and equipment connecting block 3 firm connection.

The lower die assembly 5, the lower die assembly 5 sets up below last mould 2, in this embodiment, lower die assembly 5 includes lower mould 51, lower mould carrier 52, lower bolster 53 and fall glassware 54, lower mould 51 sets up below last mould 2, use with last mould 2 cooperation for pressing the blank, lower mould 51 connects on lower mould carrier 52 of below, lower bolster 53 sets up below lower mould carrier 52, set up between lower mould carrier 52 and the lower bolster 53 increases piece 55, fall glassware 54 sets up on the lower bolster, fall glassware 54 includes the material collecting plate of slope, after punching a hole, the waste material falls on the material collecting plate, then the slip falls into the waste material frame of material collecting plate below.

Preferably, a connector 6 is further provided between the lower die 51 and the upper die 2 for connecting the upper die and the lower die.

Preferably, in the punching die of the embodiment, an upper die plate 7 is fixedly arranged above the upper die 2, a position avoiding through hole is arranged above the upper die plate 7, and the position avoiding through hole is communicated with an inner cavity of the upper die and is used for being connected with a power output sliding block on a punching machine.

With the above-described preferred embodiments according to the present application as a teaching, the related workers can make various changes and modifications without departing from the scope of the technical idea of the present application. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of claims.

Claims

1. A cut-out press, characterized by comprising:

a punch (1) for punching;

the upper die (2) is used for pressing a blank and guiding a punch, and the punch (1) is arranged in the upper die (2) in a sliding manner;

the device connecting block (3), the said device connecting block (3) is set up in the cavity of the upper die (2), the power output slide block used for connecting punch and punch press;

the pressing block (4) is arranged below the punch (1) and is used for connecting the equipment connecting block (3) and the punch (1);

a lower die assembly (5), wherein the lower die assembly (5) is arranged below the upper die (2);

a detachable connecting structure is arranged between the inner cavity of the upper die (2) and the punch (1) and used for connecting the punch in the inner cavity of the upper die (2) when the punch is installed.

2. A punching die according to claim 1, characterized in that the punch (1) is arranged in a bowl-like shape with its opening downwards.

3. A punching die according to claim 2, characterized in that the press block (4) is arranged on the bottom plate of the inner cavity of the punch (1).

4. A punching die according to claim 3, characterized in that the cavity bottom plate of the punch (1) is provided with a through hole, the pressing block (4) is provided with a connecting piece, and the connecting piece penetrates through the through hole in the cavity bottom plate of the punch (1) and is connected with the equipment connecting block (3).

5. A punching die according to claim 1, characterized in that the lower die assembly (5) comprises a lower die (51), a lower die holder (52), a lower die plate (53) and a blanking device (54), wherein the lower die (51) is arranged below the upper die (2) and is used in cooperation with the upper die (2) for pressing blanks, the lower die (51) is connected to the lower die holder (52) below, the lower die plate (53) is arranged below the lower die holder (52), and the blanking device (54) is arranged on the lower die plate.

6. A punching die according to claim 5, characterized in that a heightening block (55) is provided between the lower die holder (52) and the lower die plate (53).

7. A punching die according to claim 6, characterized in that a connector (6) is also provided between the lower die (51) and the upper die (2).

8. The punching die according to claim 1, characterized in that an upper die plate (7) is fixedly arranged above the upper die (2), a clearance through hole is arranged above the upper die plate (7), and the clearance through hole is communicated with an inner cavity of the upper die.