CN216226506U

CN216226506U - Time delay nitrogen spring stamping die

Info

Publication number: CN216226506U
Application number: CN202122853234.9U
Authority: CN
Inventors: 易成飞; 程遵业
Original assignee: Suzhou Chengjia Precision Manufacturing Co ltd
Current assignee: Suzhou Chengjia Precision Manufacturing Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-08
Anticipated expiration: 2031-11-22

Abstract

The utility model belongs to the technical field of stamping dies, and particularly relates to a time-delay nitrogen spring stamping die which comprises an upper stamping die, wherein a lower stamping die is arranged at the lower end of the upper stamping die, a workpiece is placed between the upper stamping die and the lower stamping die, a spring telescopic pin is fixedly arranged on the upper surface in the upper stamping die, a plurality of telescopic ends of the spring telescopic pin are fixedly connected with a composite board, the lower end of the composite board penetrates through the lower surface of the upper stamping die through an extension rod and is fixedly connected with a pressing plate, after a time-delay nitrogen spring is added, a product material is always in a stressed state in the stamping and separating process so as to ensure the front and side quality of the product, after the material and the product are separated in the stamping die, the product is discharged in the die, the time-delay nitrogen spring can ensure that the product is always in a stressed state in the demolding process, and the flatness variation caused in the discharging process is reduced, thereby ensuring the product yield and improving the product quality.

Description

Time delay nitrogen spring stamping die

Technical Field

The utility model belongs to the technical field of stamping dies, and particularly relates to a time-delay nitrogen spring stamping die.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called as a cold stamping die commonly called as a cold stamping die. Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

Because the lower extreme of current mould punching press is hollow out construction, by the lower extreme of punching press part not laminate with the mould completely, the part of hollow out part freely warp during the punching press, especially when withdrawing the mould, the product warp bigger, and it is relatively poor to lead to the product quality after the punching press, and the not good phenomenon of section quality appears easily, and the shaping back burr is more.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the time-delay nitrogen spring stamping die which has the characteristics of improving the product quality and reducing the section burrs.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a time delay nitrogen spring stamping die, includes the stamping die, it is provided with the bed die to go up the stamping die lower extreme, go up the stamping die, put the work piece down between the stamping die, the bed die, go up the inside fixed surface of stamping die and be provided with the spring telescopic pin, the spring telescopic pin is a plurality of settings and flexible end all with a composite board fixed connection, a composite board lower extreme through the extension rod run through last stamping die lower surface and with clamp plate fixed connection, it is provided with the locating pin to go up the stamping die lower extreme fixed, the inside lower fixed surface of bed die is provided with a plurality of time delay nitrogen spring, and is a plurality of fixed composite board No. two that is provided with in time delay nitrogen spring upper end, the fixed extrusion post that is provided with in composite board No. two upper ends.

According to the preferable technical scheme of the time-delay nitrogen spring stamping die, the lower end of the upper pressing die is fixedly provided with a plurality of stamping and cutting blocks, and the pressing plate is internally provided with through holes for the stamping and cutting blocks to stretch and retract in a penetrating mode.

According to the preferable technical scheme of the time-delay nitrogen spring stamping die, the through hole for sliding and stretching of the extrusion column is formed in the lower pressing die, and the through hole is vertically corresponding to the through hole for stretching of the punching block in the pressing plate.

According to the preferable technical scheme of the time-delay nitrogen spring stamping die, the upper surface of the lower stamping die is provided with the positioning hole in inserted connection fit with the positioning pin

As a preferable technical scheme of the time delay nitrogen spring stamping die, a gap for positioning and buffering the punching block is reserved between the upper pressing die and the pressing plate.

Compared with the prior art, the utility model has the beneficial effects that: after increasing time delay nitrogen spring, at the in-process of punching press separation, make the product material be in the stress state all the time to guarantee product openly and side quality, material and product separation's in the stamping die after, the ejection of compact process of product in the mould, time delay nitrogen spring can guarantee that the product is in compression state at the demolding in-process all the time, reduces the ejection of compact in-process and causes the flatness variation, thereby guarantees the product yield, promotes product quality.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a front view of the present invention;

FIG. 2 is a schematic front view of a half-section of the present invention;

FIG. 3 is a schematic view of the present invention during the punching motion;

FIG. 4 is a schematic view of the present invention during the punching motion;

FIG. 5 is a schematic view of the present invention during the punching motion;

FIG. 6 is a schematic structural view of the die-cut back of the present invention;

FIG. 7 is a schematic view of the die-cut back of the present invention;

FIG. 8 is a schematic view of the die-cut back structure of the present invention;

in the figure: 1. pressing the die; 2. pressing a die; 3. a workpiece; 4. a spring retractable pin; 5. a first combined board; 6. pressing a plate; 7. positioning pins; 8. a time-delay nitrogen spring; 9. a second combined board; 10. extruding the column; 11. Positioning pins; 12. and (5) punching and cutting into blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-8, the present invention provides the following technical solutions: the utility model provides a time delay nitrogen spring stamping die, including last moulding-die 1, 1 lower extreme of last moulding-die is provided with die 2 down, go up moulding-die 1, workpiece 3 has been put between the die 2 down, the fixed surface is provided with spring telescopic pin 4 in the inside of going up moulding-die 1, spring telescopic pin 4 is a plurality of settings and flexible end all with 5 fixed connection of a compoboard, 5 lower extremes of a compoboard run through 1 lower surface of last moulding-die and 6 fixed connection with clamp plate through the extension rod, the fixed locating pin 7 that is provided with of 1 lower extreme of last moulding-die, the fixed surface that is provided with a plurality of time delay nitrogen spring 8 in 2 inside of die down, the fixed No. two compoboard 9 that is provided with in a plurality of time delay nitrogen spring 8 upper ends, the fixed extrusion post 10 that is provided with in No. two compoboard 9 upper ends.

Specifically, the lower end of the upper pressing die 1 is fixedly provided with a plurality of punching and cutting blocks 12, and through holes for the punching and cutting blocks 12 to stretch and retract are formed in the pressing plate 6 in a penetrating mode.

Specifically, a through hole for sliding and stretching of the extrusion column 10 is formed in the lower pressing die 2, and the through hole vertically corresponds to the through hole for stretching of the punching and cutting block 12 in the pressing plate 6.

Specifically, the upper surface of the lower pressing die 2 is provided with a positioning hole 11 which is matched with the positioning pin 7 in an inserting manner.

Specifically, leave the clearance that is used for fixing a position the buffering with cutting block 12 between last moulding-die 1 and clamp plate 6, spring telescopic pin 4 plays preliminary positioning action before the punching press in this embodiment, plays work piece limiting displacement behind the punching press, and the work piece directly pops out the mould when avoiding going up moulding-die 1 and breaking away from.

The working principle and the using process of the utility model are as follows: after the combined type punching die is assembled and installed, when the combined type punching die is used, a workpiece 3 is placed at the upper end of a lower pressing die 2, an upper pressing die 1 is started to move downwards to press the workpiece 3, a pressing plate 6 is preferentially contacted with the workpiece 3 to play a positioning role before punching, the pressing plate 6 is extruded, a spring telescopic pin 4 is also extruded along with the pressing, a punching cutting block 12 is continuously pressed downwards to be contacted with the workpiece 3, punched parts are separately punched at the upper end of an extrusion column 10, a time-delay nitrogen spring 8 is extruded downwards by means of punching force, the upper pressing die 1 moves upwards after punching, a positioning pin 7 is preferentially separated from the workpiece 3 at the moment, then the pressing plate 6 is separated along with the separation of the positioning pin 7 of the pressing plate 6, the time-delay nitrogen spring 8 does not extrude the workpiece 3 at the upper end of the extrusion column 10, the time-delay nitrogen spring 8 delays and slowly moves the workpiece 3 upwards until the time-delay nitrogen spring 8 is completely reset, and the workpiece completely exits from the die.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a time delay nitrogen gas spring stamping die, includes last moulding-die (1), it is provided with down die (2) to go up moulding-die (1) lower extreme, it has put work piece (3), its characterized in that to go up between moulding-die (1), down die (2): go up inside fixed surface of moulding-die (1) and be provided with spring telescopic pin (4), spring telescopic pin (4) are a plurality of settings and flexible end all with a combined plate (5) fixed connection, combined plate (5) lower extreme run through last moulding-die (1) lower surface and with clamp plate (6) fixed connection through the extension rod, it is provided with locating pin (7) to go up moulding-die (1) lower extreme fixed, the inside fixed surface of lower moulding-die (2) is provided with a plurality of time delay nitrogen spring (8), and is a plurality of time delay nitrogen spring (8) upper end is fixed and is provided with No. two combined plate (9), No. two combined plate (9) upper end is fixed and is provided with extrusion post (10).

2. The time-delay nitrogen spring stamping die of claim 1, wherein: the lower end of the upper pressing die (1) is fixedly provided with a plurality of punching and cutting blocks (12), and through holes for the punching and cutting blocks (12) to stretch are formed in the pressing plate (6) in a penetrating mode.

3. The time-delay nitrogen spring stamping die of claim 1, wherein: the lower pressing die (2) is internally provided with a through hole for sliding and stretching of the extrusion column (10), and the through hole vertically corresponds to the through hole for stretching of the punching and cutting block (12) in the pressing plate (6).

4. The time-delay nitrogen spring stamping die of claim 1, wherein: and the upper surface of the lower pressing die (2) is provided with a positioning hole (11) which is in splicing fit with the positioning pin (7).

5. The time-delay nitrogen spring stamping die of claim 1, wherein: and a gap for positioning and buffering the punching and cutting block (12) is reserved between the upper pressing die (1) and the pressing plate (6).