CN207695469U - A kind of diel for machine-building - Google Patents

Abstract

The utility model discloses a stamping die used for mechanical manufacturing in the technical field of stamping dies. A lower stamping die is arranged on the top of the cushioning pad, and both sides of the top of the lower stamping die are provided with top material blocks and spherical positioning pins. , the top inner cavity of the lower stamping die is provided with a stepped groove, and the top material block is nested in the stepped groove, the bottom of the stepped groove is provided with a fixed block, and the top of the fixed block is provided with an elastic member and a rigid spring , and the rigid spring is arranged on the outer edge of the elastic member, the other end of the elastic member and the rigid spring are connected to the bottom of the ejector block, and guide columns are arranged on both sides of the top of the base, and the top of the guide column is provided with a A sleeve matched with the guide column, and a stamping block matched with the stamping groove is arranged at the bottom of the upper stamping die. The utility model has a reasonable structure and is convenient to use, and can effectively avoid the relative movement of the workpiece when stamping the workpiece, resulting in inaccurate processing of the workpiece, resulting in low processing efficiency and low yield.

Description

A stamping die for mechanical manufacturing

technical field

The utility model relates to the technical field of punching dies, in particular to a punching die used for mechanical manufacturing.

Background technique

Stamping die is a special process equipment for processing materials into parts in cold stamping processing, called cold stamping die. Stamping is a pressure processing method that uses a mold installed on a press to apply pressure to the material at room temperature to cause separation or plastic deformation to obtain the required parts. However, during the use of traditional stamping dies, the plate to be stamped often moves at the moment of stamping, which affects the effect of stamping, and after the traditional stamping dies are stamped on the plate, they often use manual or the punch itself The mechanical force makes the punch return the material. In this process, it will produce huge friction on the surface of the die, which seriously affects the service life of the die. Therefore, we propose a mechanical manufacturing method stamping die.

Utility model content

The purpose of this utility model is to provide a stamping die for mechanical manufacturing to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a stamping die for mechanical manufacturing, including a base, a cushioning pad is arranged in the middle of the top of the base, and a lower stamping die is provided on the top of the cushioning pad, so The top of the lower punching die is provided with a punching groove, and both sides of the top of the lower punching die are provided with a top material block and a spherical positioning pin, and the spherical positioning pin is arranged on the side of the top material block away from the punching groove. The top inner cavity of the stamping die is provided with a stepped groove, and the top material block is nested in the stepped groove, the bottom of the stepped groove is provided with a fixed block, and the top of the fixed block is provided with an elastic member and a rigid spring, and the rigid spring It is arranged on the outer edge of the elastic part, the other end of the elastic part and the rigid spring are connected to the bottom of the ejector block, and guide posts are arranged on both sides of the top of the base, and the top of the guide post is provided with a The sleeves, the two sets of sleeves are fixedly connected by horizontal plates, and the horizontal plates are set horizontally, the bottom of the horizontal plates is provided with an upper stamping die, and the bottom of the upper stamping die is provided with As for the stamping block matched with the stamping groove, both sides of the bottom of the upper stamping die are provided with pin holes matched with spherical positioning pins.

Preferably, the pin hole is arranged directly above the spherical positioning pin, and the diameter of the pin hole is slightly larger than the diameter of the spherical positioning pin.

Preferably, the bottom of the stamping block is coated with a wear-resistant layer, and the bottom of the stamping groove is evenly provided with a protective pad.

Preferably, the diameter of the rigid spring is larger than that of the elastic member, and the elastic member is configured as a plastic elastic body.

Preferably, the jacking blocks are set in an inverted T shape and cooperate with the stepped grooves, and the jacking blocks are set as four sets of devices with the same structure.

Preferably, the inner cavity of the sleeve is provided with a lubricating oil film.

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

(1) The structure of this utility model is simple and reasonable, and it is easy to use. By setting the mutual cooperation between the spherical positioning pin and the pin hole, it can effectively avoid the relative movement of the workpiece when stamping the workpiece, resulting in inaccurate processing of the workpiece and low processing efficiency. low rate.

(2) By setting the cushioning pad, and through the jacking block, the elastic piece and the rigid spring, the material retrieval operation can be completed after the stamping of the workpiece is completed, which increases the convenience of operation, and also prevents the workpiece from being untimely. And cause repeated punching, resulting in damage to the product and a large repair rate.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the A-A section structure of the utility model.

In the figure: 1 base, 2 cushioning pad, 3 lower stamping die, 4 guide column, 5 sleeve, 6 horizontal plate, 7 upper stamping die, 8 stamping block, 9 top material block, 10 stamping groove, 11 spherical positioning Pin, 12 pin holes, 13 stepped grooves, 14 fixed blocks, 15 elastic parts, 16 rigid springs.

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.

Please refer to Figure 1-2, the utility model provides a technical solution: a stamping die for mechanical manufacturing, including a base 1, a cushioning pad 2 is arranged in the middle of the top of the base 1, and a lower stamping is provided on the top of the cushioning pad 2 Die 3, the top of the lower stamping die 3 is provided with a stamping groove 10, both sides of the top of the lower stamping die 3 are provided with a top material block 9 and a spherical positioning pin 11, and the spherical positioning pin 11 is arranged on the top material block 9 away from the punching groove 10 On one side, the top inner cavity of the lower stamping die 3 is provided with a stepped groove 13, and the top material block 9 is nested in the stepped groove 13, the bottom of the stepped groove 13 is provided with a fixed block 14, and the top of the fixed block 14 is provided with an elastic member 15 and Rigid spring 16, and rigid spring 16 is arranged on the outer edge of elastic member 15, and the other end of elastic member 15 and rigid spring 16 is all connected with the bottom of ejector block 9, and base 1 top both sides are all provided with guide column 4, guide column 4 The top is provided with a sleeve 5 matching with the guide column 4, and the two sets of sleeves 5 are fixedly connected by a horizontal plate 6, and the horizontal plate 6 is set horizontally, and the bottom of the horizontal plate 6 is provided with an upper stamping die 7. The bottom of the upper stamping die 7 is provided with a stamping block 8 matching the stamping groove 10, and both sides of the bottom of the upper stamping die 7 are provided with pin holes 12 matching with the spherical positioning pin 11.

Wherein, the pin hole 12 is arranged directly above the spherical locating pin 11, and the diameter of the pin hole 12 is slightly larger than the diameter of the spherical locating pin 11, the reliability of positioning can be ensured through this arrangement, and the bottom of the stamping block 8 is coated with wear-resistant The service life of the stamping block 8 can be improved through this setting, and the bottom of the stamping groove 10 is evenly provided with a protective pad. Through this setting, the mold can be well returned during use, and the number of concave molds can be reduced. Influenced by the surface, the diameter of the rigid spring 16 is greater than the diameter of the elastic member 15, and the elastic member 15 is set to a plastic elastomer. Through this arrangement, the resilience of the workpiece to be returned can be improved. The ejector block 9 is set to an inverted T shape, and Cooperate with the stepped groove 13, and the ejector block 9 is set as four sets of devices with the same structure. Through this setting, the resilience of the workpiece can be increased to ensure the reliability of the device. The inner cavity of the sleeve 5 is provided with a lubricating Oil film, through this setting, the friction loss between the guide column 4 and the sleeve 5 can be reduced, useless work can be avoided, and the flexibility of the movement of the upper stamping die 7 can be increased.

Working principle: when the device is in use, the workpiece to be stamped is placed at the working position, and positioned by the spherical positioning pin 11, and then the upper stamping die 7 is driven by the horizontal plate 6 to move up and down along the guide column 4 by the sleeve 5 , the workpiece is stamped through the stamping block 8, and the pin hole 12 and the spherical positioning pin 11 cooperate with each other. At this time, the elastic member 15 and the rigid spring 16 are compressed at the same time. After the stamping of the workpiece is completed, the stamping block 8 moves up. The material block 9 can push the workpiece away from the stamping groove 10 through the elastic force of the elastic member 15 and the rigid spring 16, so that the mold can be well returned during use, and the impact on the concave mold surface is reduced. The stamping operation on the workpiece is completed.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A stamping die for mechanical manufacturing, comprising a base (1), characterized in that: a cushioning pad (2) is provided in the middle of the top of the base (1), and a cushioning pad (2) is provided on the top of the cushioning pad (2) A lower stamping die (3), the top of the lower stamping die (3) is provided with a stamping groove (10), and both sides of the top of the lower stamping die (3) are provided with a top material block (9) and a spherical positioning pin (11 ), and the spherical positioning pin (11) is arranged on the side of the ejector block (9) away from the stamping groove (10), the top inner cavity of the lower stamping die (3) is provided with a stepped groove (13), and The top material block (9) is nested in the stepped groove (13), the bottom of the stepped groove (13) is provided with a fixed block (14), and the top of the fixed block (14) is provided with an elastic member (15) and Rigid spring (16), and rigid spring (16) is arranged on elastic part (15) outer edge, and the other end of described elastic part (15) and rigid spring (16) is all connected with the bottom of ejector block (9), Both sides of the top of the base (1) are provided with guide columns (4), and the top of the guide column (4) is provided with a sleeve (5) that matches the guide column (4), and the two sets of sleeves ( 5) are fixedly connected by a horizontal plate (6), and the horizontal plate (6) is set horizontally, and an upper stamping die (7) is provided at the bottom of the horizontal plate (6), and the upper stamping The bottom of the mold (7) is provided with a stamping block (8) matched with the stamping groove (10), and both sides of the bottom of the upper stamping mold (7) are provided with pin holes (12) matched with the spherical positioning pin (11). ). 2. A stamping die for mechanical manufacturing according to claim 1, characterized in that: the pin hole (12) is arranged directly above the spherical positioning pin (11), and the diameter of the pin hole (12) Slightly larger than the diameter of the spherical dowel (11). 3. A stamping die for mechanical manufacturing according to claim 1, characterized in that: the bottom of the stamping block (8) is coated with a wear-resistant layer, and the bottom of the stamping groove (10) is uniformly provided with Protection pad. 4. A stamping die for mechanical manufacturing according to claim 1, characterized in that: the diameter of the rigid spring (16) is greater than the diameter of the elastic member (15), and the elastic member (15) is set to be plastic elastomer. 5. A stamping die for mechanical manufacturing according to claim 1, characterized in that: the ejector block (9) is set in an inverted T shape, and cooperates with the stepped groove (13), and the ejector Block (9) is set as four groups of devices with the same structure. 6. A stamping die for mechanical manufacturing according to claim 1, characterized in that: the inner cavity of the sleeve (5) is provided with a lubricating oil film.