CN209811039U - A sheet metal stamping die - Google Patents

Abstract

The utility model discloses a stamping die for sheet metal, which comprises: an upper mold base and a lower mold base, a punch is fixedly installed at the lower end of the upper mold base; mold, the upper surface of the concave mold is equipped with a binder plate that matches the outer wall of the punch; the lower end of the punch is provided with a supporting plate for demoulding, and the supporting plate is installed in the center of the lower mold base, The upper end protrusion of the supporting plate is matched with the inner wall of the die, and the upper end surface of the supporting plate is matched with the lower end surface of the punch. Compared with the prior art, the utility model has the advantages of high stamping productivity, easy operation, good surface quality of stamped products and high qualified rate for stamping and stretching circular sheet parts into cylindrical parts.

Description

A sheet metal stamping die

technical field

The utility model relates to the technical field of material forming, in particular to a sheet metal stamping die.

Background technique

With the continuous development of industrialization and the intensification of market competition, people are increasingly aware of the importance of product quality and manufacturing cost. In order to improve production efficiency and product quality and reduce production costs in many industrial sectors, stamping technology is widely used in modern industrial production, especially in mass production. On the one hand, the dies used in stamping processing are generally specific. In order to prepare cylindrical parts for the next process, a set of special straight-barreled stamping dies is required. On the other hand, during the stamping process of many molds, due to factors such as uneven force and insufficient pressure, it is easy to cause the side wall of the part to wrinkle, which affects the quality and pass rate of the product.

Utility model content

In view of the above defects or deficiencies, the purpose of this utility model is to provide a sheet metal stamping die, in order to realize the stretching of circular sheet parts into cylindrical parts.

For achieving above object, the technical scheme of the utility model is:

A sheet metal stamping die comprises: an upper mold base and a lower mold base, a punch is fixedly installed at the lower end of the upper mold base; a die matching the punch is installed on the upper surface of the lower die base, and the concave die is The upper surface of the mold is equipped with a binder plate that matches the outer wall of the punch; the lower end of the punch is provided with a supporting plate for demoulding, and the supporting plate is installed in the center of the lower mold base, and the supporting plate The upper end protrusion of the die is matched with the inner wall of the die, and the upper end surface of the supporting plate is matched with the lower end face of the punch.

A punch fixing plate is installed on the lower surface of the upper die seat through a backing plate, and the punch is fixedly installed in the punch fixing plate.

The lower surface of the upper die base is also equipped with a number of elastic buffer parts, the elastic buffer parts include a first stud and a spring installed on the lower surface of the upper die base, wherein the spring is sleeved on the first stud , the first stud fits with the pressing plate and is located outside the punch fixing plate.

The lower surface of the upper mold base is also provided with a guide sleeve, and the upper surface of the lower mold base is equipped with a guide post for guiding, and the guide sleeve is arranged correspondingly to the guide post.

A die handle is installed at the center of the upper die base, and the die handle is connected with the punch through a backing plate.

The bottom end of the supporting plate is provided with a rubber for buffering the force, the lower end of the supporting plate and the center of the rubber are provided with a coaxial through hole, and a second stud is installed in the through hole, and the second screw The lower end of the column is equipped with a nut for fixing the rubber on the bottom of the supporting plate.

Ejector supporting plates are installed on the upper and lower ends of the rubber.

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

The utility model has the advantages of high stamping productivity, simple operation, and easy realization of mechanization and automation; the quality of stamped products is stable, and generally can be used without mechanical processing; stamping processing generally does not need to heat blanks, and does not cut a large amount of materials like cutting processing. , so stamping production not only saves energy, but also saves materials. The surface quality of stamped products is better, and the surface of the material is not damaged during the stamping process, and no wrinkles and other phenomena occur.

Description of drawings

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

In the figure, 1—lower mold base; 2—die; 3—guide column; 4—guide sleeve; 5—binder plate; 6—punch; 7—punch fixing plate; 8—first stud; —spring; 10—upper mold seat; 11—die handle; 12—backing plate; 13—supporting plate; 14—second stud; 15—ejector supporting plate; 16—rubber; 17—nut.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some embodiments of the utility model, rather than all embodiments. 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 protection scope of the present utility model.

As shown in Figure 1, the utility model provides a sheet metal stamping die, which is suitable for further processing circular sheet parts into cylindrical parts. The die specifically includes an upper mold base 10 and a lower mold base 1. The upper mold The lower end of the seat 10 is fixedly equipped with a punch 6; the upper surface of the lower mold base 1 is equipped with a die 2 that matches the punch 6, and the upper surface of the die 2 is equipped with a die that matches the outer wall of the punch 6. Bracket 5; parts to be processed are placed in the center of the binder 5. The lower end of the punch 6 is provided with a supporting plate 13 for demoulding, the supporting plate 13 is installed in the center of the lower mold base 1, and the upper end of the supporting plate 13 is raised to match the inner wall of the die 2 , and the upper end surface of the supporting plate 13 is matched with the lower end surface of the punch 6; after the die stamping is completed, the supporting plate 13 can quickly unload and take out the finished parts.

Further, a punch fixing plate 7 is installed on the lower surface of the upper die base 10 through a backing plate 12 , and the punch 6 is fixedly installed in the punch fixing plate 7 .

Further, the bottom end of the supporting plate 13 is provided with a rubber 16 for buffering the force, and the rubber 16 can buffer the upper die base 10 against the lower die base in the process of applying pressure to the upper die base 10 by the press. Force; make the force stable during the stamping process of the mold, the parts are not easy to deform and damage, and at the same time prolong the service life of the mold. The lower end of the supporting plate 13 and the center of the rubber 16 are provided with a coaxial through hole, and a second stud 14 is installed in the through hole, and the lower end of the second stud 14 is fitted with a screw for fixing the rubber 16 on the supporting material. A nut 17 at the bottom end of the plate 13.

Preferably, the upper and lower ends of the rubber 16 are equipped with ejector support plates 15 .

Further, a mold handle 11 is installed at the center of the upper mold base 10 , and the mold handle 11 is connected to the punch 6 through a backing plate 12 .

In the present utility model, in order to quickly perform alignment and punching, the lower surface of the upper die base 10 is also equipped with a number of elastic buffering parts, and the elastic buffering parts include a first screw mounted on the lower surface of the upper die base 10. A post 8 and a spring 9 , wherein the spring 9 is sheathed on the first stud 8 , and the first stud 8 cooperates with the pressing plate 5 and is located outside the punch fixing plate 7 .

The lower surface of the upper mold base 10 is also provided with a guide sleeve 4 , and the upper surface of the lower mold base 1 is provided with a guide post 3 for guiding, and the guide sleeve 4 is arranged correspondingly to the guide post 3 . During punching, the guide sleeve 4 cooperates with the guide post 3 to quickly align the position and at the same time make the punching force uniform and achieve punching deformation.

The working process of the present utility model is:

The part to be processed is placed in the center of the binder plate 5, and the upper die base 10 is set and aligned with the guide column 3 through the guide sleeve 4, and then under the action of the press, pressure is applied to the upper surface of the upper die base 10. Under the action of stamping, the punch 6 and the die 2 squeeze and deform the part, stretch the circular sheet part into a cylindrical part required by the drawing, and finally remove the load of the press, remove the upper die seat 10, and The die 6 withdraws from the die 2, and the supporting plate 13 moves upwards to eject the processed parts to complete the processing of the cylindrical parts.

For those skilled in the art, it can be clearly understood that the above-mentioned specific example is only the preferred solution of the present utility model, so those skilled in the art may make improvements and changes to some parts of the present utility model, and what is reflected is still The principle of the utility model, what realize still is the purpose of the utility model, all belong to the protected scope of the utility model.

Claims (7)

1. A sheet metal stamping die, is characterized in that, comprises: upper mold base (10) and lower mold base (1), described upper mold base (10) lower end is fixedly installed with punch (6); The upper surface of the mold base (1) is equipped with a concave mold (2) matching the punch (6), and the upper surface of the concave mold (2) is equipped with a binder plate matching the outer wall of the punch (6) (5); the lower end of the punch (6) is provided with a supporting plate (13) for demoulding, and the supporting plate (13) is installed in the center of the lower mold base (1), and the supporting plate ( 13) The upper end protrusion is matched with the inner wall of the die (2), and the upper end face of the supporting plate (13) is matched with the lower end face of the punch (6). 2. A kind of sheet metal stamping die according to claim 1, characterized in that, the lower surface of the upper mold base (10) is equipped with a punch fixing plate (7) through a backing plate (12), and the punch Die (6) is fixedly installed in the punch fixed plate (7). 3. A sheet metal stamping die according to claim 1, characterized in that, the lower surface of the upper die base (10) is also equipped with a number of elastic buffer parts, and the elastic buffer parts include (10) The first stud (8) and the spring (9) on the lower surface, wherein the spring (9) is sheathed on the first stud (8), and the first stud (8) is in contact with the pressure The material plate (5) matches and is positioned at the outside of the punch fixing plate (7). 4. A sheet metal stamping die according to claim 1, characterized in that, the lower surface of the upper mold base (10) is also provided with a guide sleeve (4), and the upper surface of the lower mold base (1) A guide post (3) for guiding is installed on the surface, and the guide sleeve (4) is arranged correspondingly to the guide post (3). 5. A sheet metal stamping die according to claim 1, characterized in that a die handle (11) is installed at the center of the upper die base (10), and the die handle (11) passes through the backing plate (12) ) is connected with punch (6). 6. A sheet metal stamping die according to claim 1, characterized in that, the bottom end of the supporting plate (13) is provided with a rubber (16) for buffering force, and the supporting plate (13) The lower end and the center of the rubber (16) are provided with a coaxial through hole, and a second stud (14) is installed in the through hole, and the lower end of the second stud (14) is fitted with a device for fixing the rubber (16) on the The nut (17) at the bottom end of the supporting plate (13). 7. A sheet metal stamping die according to claim 6, characterized in that, ejector supporting plates (15) are installed on the upper and lower ends of the rubber (16).