CN110695208A - Connecting chain stamping die - Google Patents

Abstract

The invention relates to a connecting chain stamping die, comprising a first upper die base, a first lower die base, a first guide post and a first guide sleeve connecting the first upper and lower die bases, and further comprising: a first punch fixing The plate is fixedly connected with the first upper die base; the first forming mechanism is arranged between the first convex die fixing plate and the first lower die base, and the first forming mechanism includes a first convex die, a concave die, a concave die fixing plate and a fixed plate. Template, the upper end of the first punch is fixed on the first punch fixing plate, on the first punch fixing plate and on both sides of the first punch are respectively connected with the female mould fixing plate, the female mould is arranged on the female mould to fix board. The invention has simple and reasonable design, adopts stamping form, simple process, and can be mass-produced. For connecting rings and connecting chains, the die can also be punched, and it can ensure that the chain has high impact strength.

Description

A connecting chain stamping die

technical field

The invention belongs to the technical field of stamping dies, and in particular relates to a connecting chain stamping die.

Background technique

With the continuous progress of science and technology and the rapid development of stamping production, higher and higher requirements are now placed on stamping design work. Stamping design is a highly technical work. The quality of stamping design not only directly affects the quality, cost and production efficiency of stamping products, but also affects the organization and management of stamping production. Therefore, stamping design work not only requires designers to have a good theoretical foundation, rich design experience, skilled design skills and a serious and responsible work attitude, but also requires designers to be able to accumulate design experience on the basis of timely, timely Acquire the latest scientific and technological knowledge and master modern design and calculation methods as soon as possible. Only in this way, the stamping design work can meet the needs of the rapid development of industrial production. As an industry, stamping processing also occupies an important position in the processing industry of the national economy. According to statistics, stamping parts account for a considerable proportion in various industries, especially in automobiles, motors, instruments, military industries, and household appliances. The application range of stamping processing is extremely wide, from fine electronic components, instrument pointers to covers and beams of heavy vehicles, heads of high-pressure vessels, and the skin and fuselage of aerospace vehicles. Stamping design is not only the basis for stamping production preparation, but also the basis for organizing formal production.

Production practice has proved that a reasonable process plan and die structure not only provide a technical guarantee for stabilizing product quality and reducing stamping costs, but also create favorable conditions for production organization and management. On the contrary, any mistakes or mistakes in stamping design will bring undue losses to production, and even cause major accidents to people and equipment. Stamping design is a rigorous, meticulous and complex technical work, which must be tested by production. Only by first ensuring a successful stamping design can it be possible to talk about a successful stamping production. Therefore, stamping design, as a technical preparation for stamping production, occupies an important position in stamping production.

As the basis of production preparation, stamping design, whether it is now or in the future, whether using traditional design methods or applying the latest technological means, will have a direct impact on stamping production, product quality and manufacturing costs, so it is an extremely Important technical work. Chain links have a wide range of applications in the field of industrial manufacturing. Generally, they are mostly used in occasions where safety protection and lifting devices need to be installed. When using important parts, the assembled chain links are also required to be subjected to a tensile test and can be put into use after meeting the tensile performance requirements. According to the different characteristics of the working conditions, there are many specifications and models of the chain link, and its external dimensions, shape and structure are also different. If it is used in occasions requiring large-scale applications, it can be considered to design a simple, easy-to-operate and efficient forming mold. It is particularly necessary to carry out manufacturing and timely meet the needs of multiple specifications and large quantities of production sites.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present invention is to provide a connecting ring and a connecting ring stamping die, aiming at the defects of complicated processing technology and low production efficiency of the connecting ring and the connecting chain.

In order to achieve the above purpose, the technical solutions adopted are as follows:

A connecting chain stamping die, comprising an upper die base, a lower die base, a guide post and a guide sleeve connecting the upper and lower die bases, and the stamping die further comprises: a punch fixing plate, which is fixedly connected with the upper die base;

The forming mechanism is arranged between the punch fixing plate and the lower die base, the forming mechanism includes a punch, a concave die, a concave die fixing plate and a fixed plate, the upper end of the punch is fixed on the punch fixing plate, the The lower end of the punch is the desired workpiece contour structure, and the punch fixing plate is rotatably connected on both sides of the punch. The two punch fixing plates are symmetrical about the center line of the punch. On the fixed plate of the concave die, and close to the side of the punch, the fixed plate is arranged on the lower die base, the upper surface of the fixed plate is provided with an inverted trapezoidal groove, and the inverted trapezoidal groove is fixed on the punch and the concave die Below the plate, the lower end of the die fixing plate is an arc segment, and the arc segment is in contact with the inclined surface of the inverted trapezoidal groove.

As a further improvement of the present invention, first slots are respectively formed on the inclined surfaces of both sides of the fixed template, and protruding arc segments for placing blanks and for forming connecting chains are fixed on the first slots. The protruding arc segment protrudes from the inclined surface of the formwork, and the arc segment at the lower end of the concave die fixing plate is provided with a side angle for the concave die fixing plate to avoid the protruding arc segment and protrude the inclined surface of the fixed formwork during the sliding process of the fixed formwork slope. of the second slot;

In addition, the punch, the die and the die fixing plate move on the same plane.

As a further improvement of the present invention, a top plate is provided on the bottom surface of the inverted trapezoidal groove of the fixed platen, and the lower surface of the top plate is threadedly connected with a discharge screw that vertically slides through the lower mold base and the fixed platen in sequence, and A first spring is also connected between the top plate and the bottom surface of the fixed plate, and a circular arc groove for positioning the connecting chain during the forming process is formed on the upper surface of the top plate.

As a further improvement of the present invention, the outer surface of the die fixing plate is provided with a second spring for expanding and restoring the original state after the die fixing plate is stamped and formed.

As a further improvement of the present invention, a backing plate is arranged between the upper die base and the punch fixing plate.

The beneficial effects of the invention are as follows: the design of the invention is simple and reasonable, the stamping form is adopted, the process is simple, the mass production can be performed, the produced connecting chain and the connecting ring have good mechanical properties, the formed chain ring has high impact strength, and greatly increases the chain The service life of the ring, for the large connecting ring and the connecting chain, the die can also be punched, and it can ensure the high impact strength of the chain.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

Fig. 1 is related to the structural representation of the connecting chain stamping die in the present invention;

Fig. 2 is the structural cross-sectional view of the stamping die related to the connecting chain in the present invention;

Fig. 3 is the structural representation involving the fixed template in Fig. 1;

FIG. 4 is a schematic structural diagram of the die and the die fixing plate in FIG. 1 .

Detailed ways

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

In order to make those skilled in the art better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only The embodiments are part of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present application.

The connecting chain stamping die includes a first upper die base a, a first lower die base b, a first guide post c and a first guide sleeve d connecting the first upper and lower die bases, and the stamping die also includes:

The first punch fixing plate 1 is fixedly connected with the first upper die base a, and a first backing plate e is arranged between the first upper die base a and the first punch fixing plate 1;

The first molding mechanism 2 is arranged between the first punch fixing plate 1 and the first lower die base b. Template 24, the upper end of the first punch 21 is fixed on the first punch fixing plate 1, and the lower end of the first punch 21 is the desired workpiece contour structure, which is on the first punch fixing plate 1 and on the first punch fixing plate 1. Two sides of a punch 21 are respectively rotatably provided with a die fixing plate 23. The two die fixing plates 23 are symmetrical with respect to the center line of the first punch 21. One side of the punch 21, the fixed plate 24 is set on the first lower die base b, and the upper surface of the fixed plate 24 is provided with an inverted trapezoidal groove 241, and the inverted trapezoidal groove 241 is on the first punch 21. and below the die fixing plate 23, the lower end of the die fixing plate 23 is an arc segment 231, and the arc segment 231 is in contact with the inclined surface of the inverted trapezoidal groove 241;

First slots 242 are respectively opened on the inclined surfaces on both sides of the stationary platen 24, and protruding arc segments 243 for placing blanks and for forming connecting chains are fixed on the first slots 242. The protruding arc segments 243 243 protrudes from the inclined surface of the formwork 24, and the arc segment 231 at the lower end of the die fixing plate 23 is provided with an arc segment 231 for the die fixing plate 23 to avoid the protruding arc segment 243 to protrude the fixed formwork 24 during the sliding process of the inclined surface of the fixed formwork 24. The second slot 2311 on one side of the inclined plane, in addition, the first punch 21, the die 22 and the die fixing plate 23 move on the same plane;

The bottom surface of the inverted trapezoidal groove 241 of the fixed plate 24 is provided with a top plate 244, and the bottom surface of the top plate 244 is threadedly connected with the discharge screw 245 that vertically slides through the first lower mold base b and the fixed plate 24 in turn, A first spring 246 is also connected between the top plate 244 and the bottom surface of the fixed plate 24, and a second spring 246 is provided on the outer side of the die fixing plate 23 for expanding and restoring the original state after the die fixing plate 23 is stamped and formed. For the spring 232, the upper surface of the top plate 244 is provided with a circular arc groove 247 for positioning the connecting chain during the forming process.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (5)

1. A connecting chain stamping die, comprising an upper die base, a lower die base and a guide column and a guide sleeve connecting the upper and lower die bases, it is characterized in that: the stamping die also comprises: The punch fixing plate is fixedly connected with the upper die seat; The forming mechanism is arranged between the punch fixing plate and the lower die base, the forming mechanism includes a punch, a concave die, a concave die fixing plate and a fixed plate, the upper end of the punch is fixed on the punch fixing plate, the The lower end of the punch is the desired workpiece contour structure, and the punch fixing plate is rotatably connected on both sides of the punch. The two punch fixing plates are symmetrical about the center line of the punch. On the fixed plate of the concave die, and close to the side of the punch, the fixed plate is arranged on the lower die base, the upper surface of the fixed plate is provided with an inverted trapezoidal groove, and the inverted trapezoidal groove is fixed on the punch and the concave die Below the plate, the lower end of the die fixing plate is an arc segment, and the arc segment is in contact with the inclined surface of the inverted trapezoidal groove. 2. A connecting chain stamping die according to claim 1, characterized in that, first grooves are respectively opened on the inclined surfaces of both sides of the fixed template, and the first grooves are fixed on which are used for placing blanks and using In the protruding arc segment of the forming connecting chain, the protruding arc segment protrudes from the inclined surface of the template, and the arc segment at the lower end of the female mold fixing plate is provided with a hole for the female mold fixing plate to avoid the The protruding arc segment protrudes from the second slot of one side angle of the inclined surface of the fixed template; In addition, the punch, the die and the die fixing plate move on the same plane. 3 . The connecting chain stamping die according to claim 1 , wherein a top plate is provided on the bottom surface of the inverted trapezoidal groove of the fixed plate, and the bottom surface of the top plate is vertically slid through the lower die in sequence. 4 . The seat and the discharge screw of the fixed plate are screwed together, and a first spring is also connected between the top plate and the bottom surface of the fixed plate, and the upper surface of the top plate is provided with an arc groove for positioning the connecting chain during the forming process. 4 . The connecting chain stamping die according to claim 1 , wherein the outer surface of the die fixing plate is provided with a second spring for expanding and restoring the original state after the die fixing plate is stamped and formed. 5 . 5 . The connecting chain stamping die according to claim 1 , wherein a backing plate is arranged between the upper die base and the punch fixing plate. 6 .

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