CN211437679U - Punching, trimming and stamping die structure for thick cold-rolled plate - Google Patents

Abstract

The utility model discloses a punching and trimming punching die structure for a thick cold-rolled plate. The punching and trimming punching die structure for a thick cold-rolled plate comprises an upper die module, a lower die module, an outer guide post assembly and a limit post It is composed of an inner guide column assembly, a matching upper die module is arranged above the lower die module, the upper die seat of the upper die module and the lower die seat of the lower die module pass through the outer guide column assembly parts, and the upper die seat A limiting column is arranged on the surface opposite to the lower die base, the punching parts of the upper die set and the lower die set are connected by an inner guide column assembly, and the lower die set is provided with blanking holes corresponding to the punching holes. Through the above method, the utility model has a compact structure and a reasonable design, can punch and trim the thick cold-rolled sheet, prolong the life of the die, save the maintenance time, and reduce the cost.

Description

Stamping die structure for punching and trimming of thick cold-rolled sheet

technical field

The utility model relates to the technical field of parts processing, in particular to a punching die structure for punching and trimming a thick cold-rolled plate.

Background technique

Die punching of existing thick steel plate products is much more efficient than traditional machining. The material of products that can be punched by die is generally soft, and the stamping process will generate a large amount of heat and burr, and the side of the die edge is easy to Sticky waste will be roughed, more and more hair will be cut, the appearance of the product will become worse and worse, the punch will be easier to break, the cost of mold maintenance will remain high, and the production efficiency will not be improved. Based on the above defects and deficiencies, it is necessary to improve the existing technology Improvement, a punching die structure for thick cold-rolled plate punching and trimming is designed.

Utility model content

The main technical problem solved by the utility model is to provide a punching die structure for punching and trimming a thick cold-rolled sheet, which is compact in structure and reasonable in design, capable of punching and trimming the thick cold-rolled sheet, prolonging the life of the die, and saving maintenance. time and reduce costs.

In order to solve the above-mentioned technical problems, a technical solution adopted by the present utility model is to provide a punching die structure for punching and trimming a thick cold-rolled plate. It consists of a die set, an outer guide post assembly, a limit post and an inner guide post assembly. A matching upper die set is arranged above the lower die set, an upper die seat of the upper die set and a lower die set of the lower die set. The die base passes through the parts of the outer guide post assembly, the opposite surfaces of the upper die base and the lower die base are provided with limiting posts, the punching parts of the upper die set and the lower die set are connected through the inner guide post assembly, and the lower die set is provided on the upper die set. There are blanking holes corresponding to punching holes.

Preferably, the upper die module comprises an upper pallet, an upper foot, an upper die base, an upper backing plate, an upper clamping plate, a concave die, a punch, an inner stripper and an elastic element, and the upper pallet passes through the upper The foot is connected with an upper die seat, and the lower end of the upper die seat is provided with an upper backing plate, an upper clamping plate and a concave die in sequence from top to bottom, and a punch is installed on the upper clamping plate. The plate is arranged at the groove of the die, and the inner stripping plate is connected by elastic elements.

Preferably, the elastic element is composed of a superior force glue, an upper punching plate and an ejector rod, the upper supporting plate is connected with an upper punching plate through the superior force glue, and the upper punching plate is located between the upper supporting plate and the upper die base, An ejector rod is installed at the lower end of the upper punching plate, and the ejector rod passes through the upper die seat, the upper backing plate and the upper splint in sequence and is fixed with the inner stripping plate.

Preferably, the upper splint and the edge of the punch are provided with uniform gaps around each side, each side is a unilateral gap, and the unilateral gap is +0.030mm, and the traditional one-sided gap between the splint and the punch is +0.005mm.

Preferably, the unilateral gap between the punch and the inner stripper plate is +0.015mm, and the unilateral gap between the traditional concave die and the inner stripper plate is +0.5mm.

Preferably, the unilateral gap between the die and the inner stripper is +0.010mm, and the unilateral gap between the traditional die and the inner stripper is +0.5mm.

Preferably, the lower die module comprises a lower support plate, a lower foot, a lower die base, a lower backing plate, a convex and concave die, an outer stripping plate, a stripping bolt, a spring and an inner limit post, and the lower supporting plate The upper end is connected with the lower die seat through the lower foot, and the upper end of the lower die seat is installed with a lower backing plate and a convex and concave die in sequence from bottom to top. The concave die and the stripper plate are connected by stripping bolts, the outer stripper plate is elastically connected to the lower die seat through a spring, an inner limit post is installed on the outer stripper plate, and an inner limit post is arranged on the concave die to cooperate with the inner limit post. Limit hole.

Preferably, the unilateral gap between the convex and concave die and the outer stripper plate is +0.010mm, and the unilateral gap between the traditional convex and concave die and the outer stripper plate is +0.5mm.

Compared with the prior art, the utility model has the advantages of compact structure and reasonable design, capable of punching and trimming thick cold-rolled sheets, prolonging the life of the die, saving maintenance time and reducing costs;

The setting of the elastic element is used for the stripping after pressing and punching;

The connection between the convex and concave die and the spring is used for the disengagement of the waste product one week when the die is opened.

Description of drawings

FIG. 1 is a schematic structural diagram of a punching die structure for punching and trimming a thick cold-rolled sheet.

Detailed ways

The preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, and the protection scope of the present utility model can be more clearly defined.

Please refer to Fig. 1, the utility model embodiment includes:

A thick cold-rolled sheet punching and trimming stamping die structure, the thick cold-rolled sheet punching and trimming stamping die structure comprises an upper die module 1, a lower die module 2, an outer guide post assembly 3, a limit post 4 and The inner guide post assembly 5 is formed, the upper die module 1 is arranged above the lower die module 2, and the upper die base of the upper die module 1 and the lower die base of the lower die set 2 pass through the outer guide post assembly 3 Parts, the opposite surfaces of the upper die base and the lower die base are provided with a limiting column 4, and the stamping parts of the upper die module 1 and the lower die module 2 are connected through the inner guide column assembly 5, and the lower die module 2 is provided with a Punch the corresponding blanking hole.

The upper die module 1 includes an upper support plate 11, an upper foot 12, an upper die base 13, an upper backing plate 14, an upper clamping plate 15, a female die 16, a punch 17, an inner stripping plate 18 and an elastic element 19, so The upper support plate 11 is connected with the upper die base 13 through the upper foot 12, and the lower end of the upper die base 13 is sequentially provided with an upper backing plate 14, an upper clamping plate 15 and a concave die 16 from top to bottom. The head 17 and the punch 17 pass through the inner stripper plate 18 , the inner stripper plate 18 is arranged at the groove of the female die 16 , and the inner stripper plate 18 is connected by an elastic element 19 .

The elastic element 19 is composed of a superior force glue 191, an upper plate 192 and an ejector rod 193. The upper plate 11 is connected with an upper plate 192 through the superior glue 191, and the upper plate 192 is located on the upper plate 11 and the upper plate. Between the die bases 13 , a push rod 193 is installed at the lower end of the upper beater plate 192 , and the push rod 193 passes through the upper die base 13 , the upper backing plate 14 , and the upper clamping plate 15 in sequence and is fixed to the inner stripper plate 18 .

The upper splint 15 and the edge of the punch 17 are provided with a uniform gap around the edges, each side is a unilateral gap, the unilateral gap is +0.030mm, and the traditional one-sided gap between the splint and the punch is +0.005mm.

The unilateral gap between the punch 17 and the inner stripper plate 18 is +0.015mm, and the unilateral gap between the traditional concave die and the inner stripper plate is +0.5mm.

The unilateral gap between the die 16 and the inner stripper plate 18 is +0.010mm, and the unilateral gap between the traditional die and the inner stripper plate is +0.5mm.

The lower die module 2 includes a lower support plate 21 , a lower foot 22 , a lower die base 23 , a lower backing plate 24 , a convex and concave die 25 , an outer stripper plate 26 , a discharge bolt 27 , a spring 28 and an inner limit post 29 , the upper end of the lower support plate 21 is connected with a lower die base 23 through the lower foot 22, the upper end of the lower die base 23 is sequentially installed with a lower backing plate 24 and a convex and concave mold 25 from bottom to top, and the convex and concave mold 25 is provided with an outer stripping plate around it. 26. The lower die base 23, the lower backing plate 24 and the outer convex and concave die 25 and the female die 16 are connected with the stripper plate 26 through the discharge bolt 27, and the outer stripper plate 26 is elastically connected with the lower die base 23 through the spring 28, and the outer stripper An inner limiting column 29 is installed on the material plate 26 , and an inner limiting hole matched with the inner limiting column 29 is provided on the female die 16 .

The unilateral gap between the male and female mold 25 and the outer stripper plate 26 is +0.010mm, and the unilateral gap between the traditional male and female mold 25 and the outer stripper plate 26 is +0.5mm.

When the punching die structure for punching and trimming the thick cold-rolled sheet of the utility model is working, in the die-opening state, the die-opening material is placed on the outer stripper plate 26, and during the downward movement, the concave die 16 passes through the inner limit post 29. Press the outer stripper plate 26 down, the material is in contact with the convex and concave die 25, and then move the inner stripper plate 18 downward to press the material, and continue to move downward, the die 16 and the punch 17 punch out part of the material, The punching action is completed. During the return process, under the elastic force of the superior glue 191, the inner stripper plate 18 bounces the product through the upper punching plate 192 and the ejector rod 193, and the product comes out of the die 16 and the punch 17. With this At the same time, the spring 28 bounces the outer stripping plate 26 open, the outer scraps are separated from the convex and concave die 25, and the punching scraps in the middle fall naturally from the blanking holes on the lower die module 2.

The thick cold-rolled plate punching and trimming punching die structure of the utility model has compact structure and reasonable design, can punch and trim the thick cold-rolled plate, prolong the life of the die, save the maintenance time and reduce the cost.

The above descriptions are only the embodiments of the present invention, and are not intended to limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other Relevant technical fields are similarly included in the scope of patent protection of the present invention.

Claims (8)

1. A thick cold-rolled plate punching and trimming punching die structure is characterized in that: this thick cold-rolled plate punching and trimming punching die structure comprises an upper die module, a lower die module, an outer guide column assembly, a limit A column and an inner guide column assembly are formed. A matching upper die module is arranged above the lower die module. The upper die seat of the upper die module and the lower die seat of the lower die module pass through the outer guide column assembly parts. The opposite surfaces of the seat and the lower mold seat are provided with limiting posts, the punching parts of the upper die set and the lower die set are connected by an inner guide post assembly, and the lower die set is provided with blanking holes corresponding to the punching holes. 2. The thick cold-rolled plate punching and trimming punching die structure according to claim 1, wherein the upper die module comprises an upper support plate, an upper foot, an upper die seat, an upper backing plate, an upper clamping plate, A concave die, a punch, an inner stripper plate and an elastic element, the upper support plate is connected with an upper die seat through an upper foot, and the lower end of the upper die seat is sequentially provided with an upper backing plate, an upper clamping plate and a concave die from top to bottom. A punch is installed on the upper clamping plate, the punch passes through the inner stripper plate, the inner stripper plate is arranged at the groove of the die, and the inner stripper plate is connected by an elastic element. 3. The thick cold-rolled plate punching and trimming punching die structure according to claim 2, characterized in that: the elastic element is composed of a superior force glue, an upper punching plate and an ejector rod, and the upper supporting plate passes through the superior force The glue is connected with the upper beater plate, the upper beater board is located between the upper support plate and the upper mold base, and the lower end of the upper beater board is installed with a push rod, and the push rod passes through the upper mold base, the upper backing plate, and the upper splint in sequence and then removes the material from the inside. plate fixed. 4. The thick cold-rolled plate punching and trimming punching die structure according to claim 2, characterized in that: the upper splint and the edge of the punch are provided with uniform gaps around the edges, each side is a unilateral gap, and the single edge Edge clearance is +0.030mm. 5 . The punching die structure for punching and trimming a thick cold-rolled plate according to claim 2 , wherein the punch and the inner stripping plate have a unilateral gap of +0.015 mm. 6 . 6 . The punching die structure for punching and trimming a thick cold-rolled sheet according to claim 2 , wherein the unilateral gap between the concave die and the inner stripper plate is +0.010 mm. 7 . 7. The thick cold-rolled plate punching and trimming punching die structure according to claim 1, wherein the lower die set comprises a lower support plate, a lower foot, a lower die seat, a lower backing plate, a convex and concave die, The outer stripping plate, the unloading bolt, the spring and the inner limit post, the upper end of the lower pallet is connected with the lower die seat through the lower foot, and the upper end of the lower die seat is sequentially installed with a lower backing plate and a convex and concave die from bottom to top. There is an outer stripper plate around the die. The lower die base, the lower backing plate and the outer convex and concave die are connected with the concave die with the stripper plate through stripping bolts. The outer stripper plate is elastically connected with the lower die base through a spring. An inner limit post is installed on the die, and an inner limit hole matched with the inner limit post is arranged on the concave die. 8 . The punching die structure for punching and trimming a thick cold-rolled plate according to claim 7 , wherein the unilateral gap between the convex and concave die and the outer stripper plate is +0.010 mm. 9 .

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