CN209697850U - A kind of step type stamping die - Google Patents

Abstract

The utility model discloses a kind of stepped stamping dies, including lower die holder and top mold holder；The lower die holder center is fixedly installed with Scalar male die, the center of the top mold holder is fixedly installed with the cavity plate to match with Scalar male die, the upper surface of the lower die holder is provided with pressure plate, and the outer wall of pressure plate and cavity plate matches, Scalar male die is arranged below by the utility model, the punch-pin for carrying out punching press is installed on to the inverted structure of top mold holder, so that under the action of press machine, part slowly enters cavity plate, pass through extrusion deformation, cylindrical component is extended into the shape of drawing requirement, complete punching press, the design of which, so that the part side wall of punching press is not wrinkled, the placement and taking-up of part are more convenient, greatly improve production efficiency, in addition, the mould features compact structure of the utility model, it is simple to manufacture, it is more easier to repair.

Description

A stepped stamping die

technical field

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

Background technique

With the continuous improvement of the industrial level, many industries have higher and higher requirements for product performance and various aspects. Sheet metal processing is a comprehensive cold processing process for metal sheets. In the existing processing technology, many parts They all need to be processed into stepped parts. In the process of processing, the sheet metal needs to be stamped through the mold. However, many molds are prone to be caused by factors such as uneven force and insufficient pressure during the stamping process. The side wall of the part is wrinkled, 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 stepped stamping die.

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

A stepped stamping die, comprising a lower mold base and an upper mold base; a stepped punch is fixedly installed in the center of the lower mold base, and a concave die matching the stepped punch is fixedly installed in the center of the upper mold base , the upper surface of the lower mold base is provided with a pressing plate, and the pressing plate matches the outer wall of the die.

The bottom of the stepped punch is fixedly installed in the lower mold seat through the lower mold fixing plate.

A die mounting plate is installed on the lower surface of the upper die frame, and the die is fixedly installed in the die mounting plate.

A backing plate is installed between the lower surface of the upper mold base and the die mounting plate.

The lower surface of the upper mold base is also provided with a number of elastic buffer components, the elastic buffer components include studs and springs installed on the lower surface of the upper mold base, wherein the spring is sleeved on the stud, the The studs match the binder plate and are located on the outside of the die mounting plate.

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

A mold handle is installed at the center of the upper mold base, and the mold handle is connected with the die, and a coaxial through hole is provided at the center of the die handle and the die, and a discharge rod for demoulding is installed in the through hole.

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

The utility model provides a step-type stamping die. The step-type punch is arranged at the bottom, and the punch for punching is installed on the inverted structure of the upper die frame, so that the parts slowly enter the die under the action of the press. , through extrusion deformation, the cylindrical part is extended into the shape required by the drawing, and the stamping is completed. The design of this method makes the side wall of the stamped part not easy to wrinkle, and the placement and removal of the part is more convenient, which greatly improves the production efficiency. In addition, the mold of the utility model has compact structure, simple manufacture and easier maintenance.

Description of drawings

Fig. 1 is a structural schematic diagram of a stepped stamping die of the present invention.

In the figure, 1—the fixed plate of the lower die; 2—the base of the lower die; 3—the binder plate; 4—the part; 5—the punch; 6—the guide post; 7—the guide sleeve; 8—the spring; 9—the stud; 10—die; 11—mounting plate of die; 12—backing plate; 13—upper mold frame; 14—die handle; 15—discharging rod.

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 stepped stamping die, which is suitable for further processing the cylindrical parts processed by the straight-barrel deep-drawing die to form stepped parts. The die specifically includes a lower die base 2 and an upper mold frame 13; the center of the lower mold base 2 is fixedly equipped with a stepped punch 5, and the bottom of the stepped punch 5 is fixedly installed in the lower mold base 2 through the lower mold fixing plate 1; The center of the mold frame 13 is fixedly installed with a concave mold 10 that matches the stepped punch 5, and the upper surface of the lower mold base 2 is provided with a binder plate 3, and the binder plate 3 is matched with the outer wall of the concave mold 10 , The parts 4 to be processed are placed on the stepped punch 5 .

Specifically, a die mounting plate 11 is installed on the lower surface of the upper die frame 13 , and the die 10 is fixedly installed in the die mounting plate 11 . A mold handle 14 is installed in the center of the upper mold frame 13, and the mold handle 14 is connected with the die 10. The center of the die handle 14 and the die 10 is provided with a coaxial through hole. The unloading bar 15 of mold. The unloading rod 15 can quickly unload after the stamping is completed, and take out the finished parts.

Further, in the present utility model, a backing plate 12 is installed between the lower surface of the upper mold frame 13 and the die mounting plate 11 .

In the present utility model, in order to be able to quickly carry out alignment and stamping, the lower surface of described upper mold frame 13 is also provided with several elastic buffering parts, and described elastic buffering part comprises the stud 9 that is installed on the lower surface of upper mold frame 13 and the spring 8, wherein the spring 8 is sheathed on the stud 9, and the stud 9 is matched with the binder plate 3 and is located outside the die mounting plate 11.

The lower surface of the upper mold base 13 is also provided with a guide sleeve 7 , and the upper surface of the lower mold base 2 is provided with a guide post 6 for guiding, and the guide sleeve 7 is arranged correspondingly to the guide post 6 . During stamping, the guide sleeve 7 cooperates with the guide post 6, which can quickly align the position and at the same time make the stamping force uniform and prevent stamping deformation.

The working process of the present utility model is:

Set the part 4 to be processed on the stepped punch 5, set the upper mold frame 13 through the guide sleeve 7 and the guide post 6 for alignment, and then apply pressure to the upper surface of the upper mold frame 13 through the action of the press. Pressing, under the action of stamping, the die 10 and the stepped punch 5 will squeeze and deform the part 4, extend the cylindrical part into the shape required by the drawing, and finally remove the upper die frame 13 and push the unloading rod 15. Take out the processed parts and complete the step-shaped processing.

For those skilled in the art, it can be clearly understood that the above-mentioned specific embodiments are only preferred solutions 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 kind of step type stamping die, which is characterized in that including lower die holder (2) and top mold holder (13)；In the lower die holder (2) The heart is fixedly installed with Scalar male die (5), and the center of the top mold holder (13) is fixedly installed with to match with Scalar male die (5) Cavity plate (10), the upper surface of the lower die holder (2) is provided with pressure plate (3), and the outer wall of pressure plate (3) and cavity plate (10) Match.

2. step type stamping die according to claim 1, which is characterized in that the bottom of the Scalar male die (5) is logical Lower mold fixed plate (1) is crossed to be fixedly installed in lower die holder (2).

3. step type stamping die according to claim 1, which is characterized in that install the lower surface of the top mold holder (13) Have cavity plate mounting plate (11), cavity plate (10) is fixedly installed in cavity plate mounting plate (11).

4. it is according to claim 3 step type stamping die, which is characterized in that the lower surface of the top mold holder (13) with it is recessed Backing plate (12) are installed between mold mounting plate (11).

5. step type stamping die according to claim 4, which is characterized in that the lower surface of the top mold holder (13) is also set Be equipped with several elastic buffer units, the elastic buffer unit include be installed on the lower surface of top mold holder (13) stud (9) and Spring (8), wherein the spring (8) is sheathed on stud (9), and the stud (9) matches with pressure plate (3), and is located at recessed The outside of mold mounting plate (11).

6. step type stamping die according to claim 1, which is characterized in that the lower surface of the top mold holder (13) is also set It is equipped with guide sleeve (7), the guide post (6) for guiding is provided on lower die holder (2) upper surface, the guide sleeve (7) is corresponding with guide post (6) Setting.

7. step type stamping die according to claim 1, which is characterized in that the center of the top mold holder (13) is equipped with Mould is connected (14), mould with cavity plate (10) (14), and the center of (14) and cavity plate (10) is offered coaxial through-hole, institute by mould State the discharge arm (15) being equipped in through-hole for demoulding.