CN212944909U

CN212944909U - Large-angle stamping device in cold stamping die

Info

Publication number: CN212944909U
Application number: CN202021384980.7U
Authority: CN
Inventors: 管财鸿; 李庆斌
Original assignee: Guangdong Jinhong Zhizao Technology Co ltd
Current assignee: Guangdong Jinhong Zhizao Technology Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-04-13
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a large-angle stamping device in a cold stamping die, which comprises a driving block, wherein the driving block is horizontally arranged above a sliding block through a return device; one part of the sliding block is movably arranged in the guide seat and forms an oblique angle with the horizontal plane; the punching device is fixedly arranged below the sliding block and is linearly arranged with the sliding block; the punching female die is arranged in the lower die base and corresponds to the punching device in position; the material pressing plate is arranged below the guide seat; the elastic device is arranged in the material pressing plate, one end of the elastic device is connected with the sliding block, and the other end of the elastic device is connected with the material pressing plate; and the limiting block is fixedly arranged on the guide seat and arranged on one side of the sliding block. The utility model discloses the problem that can not the wide-angle punching press in the auto-parts production process has been solved effectively.

Description

Large-angle stamping device in cold stamping die

Technical Field

The utility model relates to a cold stamping die technical field particularly, especially relates to a wide-angle stamping device among cold stamping die.

Background

The cold stamping die process generally comprises the processes of punching, bending, forming, shaping, drawing, hole flanging, trimming and the like. With the acceleration of the update rhythm of automobiles, automobile product design engineers pursue the uniqueness and reasonable integration of automobile models, and on the premise of reducing parts, the corresponding part models on the automobiles are more and more complex; the higher and higher the process requirements, the higher the technical requirements of the mold manufacturer. The die supplier is required to stably produce the die in a limited process under the premise of low cost, and the die can quickly and effectively produce qualified products in batches. The punching angles of current punching devices are commonly between 0 ° and 70 °, and punching devices between 70 ° and 90 ° are basically in the blank phase, but there are also some manufacturers who supply several such large angle punching devices. However, such a punching device requires a large installation space and a fixed size, and cannot substantially meet the installation requirement in a limited die space. Therefore, in view of the defects of the above-mentioned schemes in actual manufacturing and implementation and use, the present invention is modified and improved, and the present invention is created with the help of professional knowledge and experience, and after many kinds of ingenuity and experiments, so as to provide a large-angle stamping device in a cold stamping die, which is used for solving the problem that the large-angle stamping cannot be performed in the production process of automobile parts.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wide-angle stamping device among cold stamping die to in solving the problem that can not the large-angle punching press in the auto-parts production process.

The utility model relates to a big-angle stamping device can realize through following technical scheme among cold stamping die:

the utility model relates to a large-angle stamping device in a cold stamping die, which comprises a driving block, wherein the driving block is horizontally arranged above a sliding block through a return device; one part of the sliding block is movably arranged in the guide seat and forms an oblique angle with the horizontal plane; the punching device is fixedly arranged below the sliding block and is linearly arranged with the sliding block; the punching female die is arranged in the lower die base and corresponds to the punching device in position; the material pressing plate is arranged below the guide seat; the elastic device is arranged in the material pressing plate, one end of the elastic device is connected with the sliding block, and the other end of the elastic device is connected with the material pressing plate; and the limiting block is fixedly arranged on the guide seat and arranged on one side of the sliding block.

Preferably, one end of the return device is connected with the driving block, and the other end of the return device is connected with the sliding block.

Preferably, the return device is a forced return hook.

Preferably, a wear-resistant block is arranged between the driving block and the sliding block.

Preferably, a hollow cavity is arranged on the guide seat, and the hollow cavity and a horizontal plane form a certain angle, wherein the angle ranges from 70 degrees to 90 degrees.

Preferably, a wear-resistant block is arranged between the sliding block and the guide seat.

Preferably, the punching device is a punching punch, and the size and the position of the punching female die are respectively matched with the size and the position of the punching device.

Preferably, the pressure plate comprises a pressure plate main body and an insert, the insert is arranged below the pressure plate main body, and the shape of the insert is matched with that of a punched product.

Preferably, the insert and the pressure plate main body are formed by assembling or integrally forming.

Preferably, the pressure plate is arranged below the guide seat, and the pressure plate and the guide seat are integrally formed or assembled.

Compared with the prior art, the utility model relates to a wide-angle stamping device's among cold stamping die beneficial effect does:

the utility model relates to a large-angle punching device in a cold stamping die, which solves the problem that the large-angle stamping cannot be carried out in the production process of automobile parts through the mutual matching of a driving block, a sliding block, a guide seat and a punching device; meanwhile, the structure principle is simple and the manufacturing is simple, so that the manufacturing cost of the die is greatly saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an external structural schematic view of a large-angle stamping device in a cold stamping die of the present invention;

fig. 2 is a schematic view of a back structure of a large-angle stamping device in the cold stamping die of the present invention shown in fig. 1;

fig. 3 is an exploded schematic view of a large-angle stamping device in a cold stamping die of the present invention shown in fig. 1.

The following are marked in the figure: 11, a driving block; 12, a slide block; 13, a guide seat; 14, a punching device; 15, punching a female die; 16, a lower die holder; 17, pressing a material plate; 171, a pressure pad body; 172, an insert; 18, a resilient means; 19, a limiting block; 20, a return device; 21, wear resistant blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper" and "lower" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention.

Further, in the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a large-angle stamping device in a cold stamping die of the present invention may include a driving block 11, a sliding block 12, a guiding seat 13, a punching device 14, a punching female die 15, a lower die seat 16, a pressure plate 17, an elastic device 18, a limiting block 19, and a returning device 20; the driving block 11 is horizontally arranged above the sliding block 12 through the return device 20; a part of the sliding block 12 is movably arranged in the guide seat 13 and is arranged at an oblique angle with the horizontal plane; the punching device 14 is fixedly arranged below the sliding block 12 and is linearly arranged; the punching female die 15 is arranged in the lower die holder 16 and corresponds to the punching device 14 in position; the material pressing plate 17 is arranged below the guide seat 13 and interacts with the lower die seat 16 to clamp a punched product; the elastic device 18 is arranged in the material pressing plate 17, one end of the elastic device is connected with the slide block 12, the other end of the elastic device is connected with the material pressing plate 17, and the elastic device 18 is used for enabling the material pressing plate 17 to compress a punched product and simultaneously providing restoring force for the slide block 12; the limiting block 19 is fixedly arranged on the guide seat 13 and arranged on one side of the sliding block 12, and is used for limiting the displacement of the sliding block 12; one end of the return device 20 is connected to the driving block 11, and the other end thereof is connected to the sliding block 12, which is used for forcibly returning the driving block 11 to the horizontal plane.

Referring to fig. 1 and 3, the driving block 11 is always horizontally disposed through the returning device 20, in this embodiment, the returning device 20 is a forced returning hook; the driving block 11 is connected with an upper die seat arranged on the punching machine equipment, and a wear-resistant block 21 is arranged between the driving block 11 and the sliding block 12. The guide seat 13 is provided with a hollow cavity, the hollow cavity and a horizontal plane form a certain angle, the angle range is 70-90 degrees, a user can select the guide seat 13 with the corresponding angle according to actual requirements, one part of the sliding block 12 is arranged in the guide seat 13 and can move in the guide seat 13, and a wear-resistant block 21 is arranged between the sliding block 12 and the guide seat 13.

Referring to fig. 3, the punching device 14 is fixedly disposed below the slide block 12 and moves along with the movement of the slide block 12; in the present embodiment, the punching device 14 is a punching punch. The punching female die 15 is arranged in the lower die holder 16, and the size and the position of the punching female die are respectively matched with the size and the position of the punching device 14. The lower die holder 16 is fixed on a punch press device, a die hole is formed in the lower die holder, the punching die 15 is arranged in the die hole, a punched product is arranged between the lower die holder 16 and the pressure plate 17, and the shapes of the lower die holder 16 and the pressure plate 17 are matched with the shape of the punched product; the lower die holder 16 is square, and in other embodiments, the lower die holder 16 is cylindrical or other shapes; the lower die holder 16 is made of Cr12, CrWMn or Cr12MoV, in the embodiment, the lower die holder 16 is made of Cr12MoV, the Cr12MoV has hardenability of steel, and the hardness, the wear resistance and the strength of quenching and tempering are high.

Referring to fig. 1 and 3, the blank holder 17 includes a blank holder main body 171 and an insert 172, the insert 172 is disposed below the blank holder main body 171, and the shape of the insert 172 matches the shape of the punched product. In some embodiments, the insert 172 is integrally formed with the platen body 171, and in other embodiments, the insert 172 is assembled with the platen body 171. The pressing body 171 is disposed below the guide holder 13, in some embodiments, the pressing body 171 and the guide holder 13 are integrally formed, and in other embodiments, the pressing body 171 and the guide holder 13 are assembled.

Referring to fig. 3, the elastic device 18 is a nitrogen spring, which causes the pressure plate 17 and the lower die holder 16 to press the punched product and simultaneously provides an upward restoring force to the slide block 12; the nitrogen spring has the characteristics of small volume, large elasticity, long stroke, stable work, precise manufacture, long service life, gentle elasticity curve and no need of pre-tightening, has the work which is difficult to complete by the conventional elastic assemblies of the metal spring, the rubber and the air cushion, can simplify the design and manufacture of the die, facilitates the installation and adjustment of the die, prolongs the service life of the die and ensures the stability of the product quality.

The utility model relates to a large-angle stamping device's among cold stamping die working process does:

the method comprises the steps that firstly, a driving block 11 is installed on an upper die base of punching equipment, a power device of the punching equipment applies downward pressure to the driving block 11, the driving block 11 applies pressure to a sliding block 12, the sliding block 12 moves downwards in an angle under the action of a guide seat 13 and a limiting block 19 to drive a punching device 14 to move downwards, punching is conducted on a punched product arranged between a lower die base 16 and a pressure plate 17, when the pressure applied by the power device disappears, a return device 20 drives the driving block 11 to forcibly return to a horizontal position, and an elastic device 18 drives the sliding block 12 to return to an initial position, so that the whole punching operation is completed.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present 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 large-angle stamping device in a cold stamping die is characterized by comprising a driving block, wherein the driving block is horizontally arranged above a sliding block through a return device; one part of the sliding block is movably arranged in the guide seat and forms an oblique angle with the horizontal plane; the punching device is fixedly arranged below the sliding block and is linearly arranged with the sliding block; the punching female die is arranged in the lower die base and corresponds to the punching device in position; the material pressing plate is arranged below the guide seat; the elastic device is arranged in the material pressing plate, one end of the elastic device is connected with the sliding block, and the other end of the elastic device is connected with the material pressing plate; and the limiting block is fixedly arranged on the guide seat and arranged on one side of the sliding block.

2. The large-angle stamping device of a cold stamping die as claimed in claim 1, wherein one end of the return device is connected to the driving block, and the other end of the return device is connected to the sliding block.

3. The medium-angle stamping device of a cold stamping die as claimed in claim 2, wherein the return device is a forced return hook.

4. The large-angle stamping device in a cold stamping die as claimed in claim 1, wherein a wear-resistant block is arranged between the driving block and the sliding block.

5. The large-angle stamping device of a cold stamping die as claimed in claim 1, wherein the guide seat is provided with a hollow cavity, the hollow cavity forms a certain angle with the horizontal plane, and the angle range is 70-90 degrees.

6. The large-angle stamping device in a cold stamping die as claimed in claim 1, wherein a wear-resistant block is arranged between the slide block and the guide seat.

7. The large-angle punching device in a cold punching die as claimed in claim 1, wherein the punching device is a punching punch, and the size and the position of the punching female die are respectively matched with the size and the position of the punching device.

8. The wide-angle stamping device in a cold stamping die as claimed in claim 1, wherein the pressure plate comprises a pressure plate main body and an insert, the insert is arranged below the pressure plate main body, and the shape of the insert matches with that of a stamped product.

9. The medium-angle stamping device of a cold stamping die as claimed in claim 8, wherein the insert is assembled or integrally formed with the pressure plate body.

10. The medium-angle stamping device of a cold stamping die as claimed in claim 1, wherein the pressure plate is disposed below the guide seat, and the pressure plate and the guide seat are integrally formed or assembled.