CN213944599U - Stamping die of adjustable punching press intensity - Google Patents

Abstract

The utility model discloses a stamping die of adjustable punching press intensity, including die carrier, guide pillar, last die carrier, guide pin bushing and ejector pin down, the equal fixed mounting in die carrier upper surface both ends has the guide pillar, die carrier top movable mounting has last die carrier down, the equal fixed welding in die carrier lower surface both ends has the guide pin bushing, and guide pin bushing and ejector pin peg graft each other, die carrier upper surface movable mounting has the bed die down, it has last mould to go up die carrier lower surface fixed movable mounting, lower die carrier inner chamber movable mounting has the die cavity, go up the fixed flexible groove of having seted up in the middle of the die lower surface. The utility model discloses can carry out the drawing of patterns to the work piece fast when using, dismantle through installing bolt and No. two installing bolts to the while to dismantle lower mould and last mould, can change last mould and lower mould according to the kind of work piece like this, use more nimble and convenient, and reduction in production cost promotes the turn-ups efficiency and the suppression precision to the work piece simultaneously.

Description

Stamping die of adjustable punching press intensity

Technical Field

The utility model relates to a stamping die technical field specifically is a stamping die of adjustable punching press intensity.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping, and is called cold stamping die (commonly called cold stamping die). Stamping, a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material to obtain a desired part

However, the existing stamping die capable of adjusting the stamping pressure degree has the following disadvantages in the use process:

the existing stamping die capable of adjusting the stamping pressure degree is inconvenient to rapidly demold a workpiece in the using process, the use is very inconvenient, a whole set of die needs to be manufactured every time a workpiece of one type is produced, the manufacturing cost of the workpiece is greatly increased, meanwhile, when the workpiece is flanged and pressed, the workpiece is pressed in a spinning mode, the pressing efficiency is low, meanwhile, the deformation of a through hole on the surface of the workpiece is easily caused in the flanging process, and therefore the manufacturing precision of the workpiece is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stamping die of adjustable punching pressure degree, with the stamping die who proposes current adjustable punching pressure degree in solving above-mentioned background art is inconvenient to carry out the drawing of patterns to the work piece fast in the use, use inconvenience very, and the work piece of every production a model just need make a whole set of mould, greatly increased the cost of manufacture to the work piece, current turn-ups mould is when carrying out the turn-ups suppression to the work piece simultaneously, many modes through spinning suppress, not only the suppression efficiency is than low, simultaneously the through-hole that causes the work piece surface easily at the in-process of carrying out the turn-ups takes place to warp, thereby greatly reduced the problem of the preparation precision of work piece.

In order to solve the technical problem, the utility model provides a following technical scheme: a stamping die capable of adjusting stamping pressure degree comprises a lower die frame, guide pillars, an upper die frame, guide sleeves and ejector rods, wherein the guide pillars are fixedly arranged at two ends of the upper surface of the lower die frame, the upper die frame is movably arranged above the lower die frame, the guide sleeves are fixedly welded at two ends of the lower surface of the upper die frame, the guide sleeves and the ejector rods are mutually inserted, the lower die is movably arranged on the upper surface of the lower die frame, the upper die is fixedly and movably arranged on the lower surface of the upper die frame, a die slot is movably arranged in the inner cavity of the lower die frame, a telescopic slot is fixedly arranged in the middle of the lower surface of the upper die, an expansion cone is movably arranged in the inner cavity of the telescopic slot, the expansion cone and the die slot are mutually matched, a supporting spring is fixedly connected to the top of the expansion cone, the supporting spring is positioned in the inner cavity of the telescopic slot, a workpiece to be stamped is placed on the die slot on the surface of the lower die, a stamping machine pushes the lower die frame to rise through the ejector rods, the lower die frame is guided by the guide post and the guide sleeve when lifted, the die assembly precision of the lower die and the upper die can be improved, so that the stamping precision and the quality of a workpiece can be improved, the pressure of a stamping machine is controlled to adjust the stamping strength of the workpiece, when the lower die is lifted, the workpiece is extruded by the expansion cone and the die slot, so that the workpiece can be rapidly stamped and formed, when the upper die is separated from the lower die, the expansion cone is supported by the supporting spring, and simultaneously the top of the demoulding rod pushes the demoulding plate to ascend by pushing the demoulding rod, so that the workpiece can be rapidly demoulded from the inner cavity of the die, the demoulding is more rapid, and simultaneously, the first mounting bolt and the second mounting bolt are disassembled, so that the lower die and the upper die are disassembled, so that the upper die and the lower die can be replaced according to the type of the workpiece, the use is more flexible and convenient.

Furthermore, a workpiece is movably placed on the upper surface of the die cavity, an expansion ring is movably installed on the upper surface of the die cavity, the expansion ring is positioned in the inner cavity of the workpiece, the lower surface of the upper die is fixedly provided with an arc-shaped pressure groove, the surface of the inner wall of the workpiece is fixedly provided with a through hole, the top surface of the workpiece is provided with an arc edge, the side wall of the expansion ring is fixedly embedded with a return spring, the arc-shaped pressing groove on the lower surface of the upper die presses the surface of the top of the workpiece, thereby realizing the flanging operation on the top of the workpiece, wherein the inner cavity of the workpiece is provided with an expansion ring which is petal-shaped, when the expansion cone is inserted into the inner cavity of the expansion ring, the expansion ring expands outwards, thereby the inner wall of the workpiece can be extruded through the outer wall of the expansion ring, thereby preventing the workpiece from being flanged and punched, the through holes on the surface of the workpiece are deformed, and the stamping precision and quality of the workpiece can be effectively improved.

Furthermore, the surface of the bottom of the lower die frame is in threaded connection with a first mounting bolt, the top of the first mounting bolt is connected with the lower die, and the lower die can be mounted through the first mounting bolt.

Furthermore, two ends of the upper surface of the upper die frame are in threaded connection with a second mounting bolt, the bottom of the second mounting bolt is in threaded connection with the upper die, and the second mounting bolt can mount the upper die.

Furthermore, a demoulding plate is movably mounted at the bottom of the mould groove, and the mould groove is pushed up through the demoulding plate, so that the workpiece can be quickly demoulded.

Furthermore, a top rod is fixedly welded in the middle of the lower surface of the lower die frame, a demoulding rod is movably inserted into one side of the top rod, the top of the demoulding rod is connected with a demoulding plate, and the lifting of the demoulding plate can be controlled through the top rod.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses a pressure of control punching machine is adjusted to can adjust the punching press power degree of work piece, the bed die is when the lifting, extrudees the work piece through inflation awl and die cavity, thereby can make the work piece by quick stamping forming, when going up mould and bed die separation, the inflation awl supports through supporting spring, simultaneously through pushing up demoulding rod, the demoulding rod top promotes the stripper plate and rises, thereby can make the work piece come out from the drawing of patterns of mould inner chamber fast, make more swift of drawing of patterns.

2. The utility model discloses a dismantle construction bolt and No. two construction bolts to dismantle the bed die and go up the mould, can change last mould and bed die according to the kind of work piece like this, use more nimble and convenient, reduction in production cost.

3. The utility model discloses a bed die extrudees the work piece with last mould to the arc indent of mould lower surface suppresses work piece top surface on the accessible, thereby realizes the turn-ups operation at work piece top, carries out the turn-ups to the work piece top through the mode of punching press, can effectively promote the turn-ups efficiency to the work piece, and stability is stronger.

4. The utility model discloses the work piece inner chamber is provided with the expansion ring, and the expansion ring is the petal form, injects the expansion ring inner chamber when the inflation awl after, and the expansion ring is outside to the outer wall of accessible expansion ring extrudees the inner wall of work piece, thereby can prevent to carry out the turn-ups punching press to the work piece, causes workpiece surface's through-hole to take place deformation, can effectively promote the punching press precision and the quality to the work piece.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic structural view of an upper mold of the present invention;

FIG. 4 is a schematic view of the lower mold structure of the present invention;

FIG. 5 is a schematic view of the structure of the workpiece according to the present invention;

fig. 6 is a schematic structural view of the expansion ring of the present invention.

In the figure: 1. a lower die frame; 101. a guide post; 102. feeding a mold frame; 103. a guide sleeve; 104. a top rod; 2. a lower die; 201. an upper die; 202. a die cavity; 203. a telescopic groove; 204. an expansion cone; 3. a stripper bar; 301. a stripper plate; 302. a support spring; 4. a workpiece; 401. an expansion ring; 402. an arc-shaped pressing groove; 403. a through hole; 404. an arc-shaped edge; 405. a return spring; 5. a first mounting bolt; 501. and a second mounting bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-6, the present invention provides a technical solution: a stamping die capable of adjusting stamping pressure degree comprises a lower die set 1, a guide post 101, an upper die set 102, a guide sleeve 103 and an ejector rod 104, wherein the guide post 101 is fixedly arranged at both ends of the upper surface of the lower die set 1, the upper die set 102 is movably arranged above the lower die set 1, the guide sleeve 103 is fixedly welded at both ends of the lower surface of the upper die set 102, the guide sleeve 103 and the ejector rod 104 are mutually inserted, a lower die 2 is movably arranged on the upper surface of the lower die set 1, an upper die 201 is fixedly and movably arranged on the lower surface of the upper die set 102, a die slot 202 is movably arranged in the inner cavity of the lower die set 1, a telescopic slot 203 is fixedly arranged in the middle of the lower surface of the upper die 201, an expansion cone 204 is movably arranged in the inner cavity of the telescopic slot 203, the expansion cone 204 and the die slot 202 are mutually matched, a supporting spring 302 is fixedly connected at the top of the expansion cone 204, the supporting spring 302 is positioned in the inner cavity of the telescopic slot 203, a workpiece 4 to be stamped is placed on the die slot 202 on the surface of the lower die 2, the punching machine pushes the lower die set 1 to ascend through the ejector rod 104, the lower die set 1 is guided through the guide post 101 and the guide sleeve 103 when ascending and descending, the die assembly precision of the lower die 2 and the upper die 201 can be promoted, so that the punching precision and the quality of a workpiece 4 are promoted, the punching force degree of the workpiece 4 can be regulated by controlling the pressure of the punching machine, the workpiece 4 is extruded through the expansion cone 204 and the die slot 202 when the lower die 2 is ascending, so that the workpiece 4 can be quickly punched and formed, when the upper die 201 is separated from the lower die 2, the expansion cone 204 is supported through the supporting spring 302, meanwhile, the top of the demolding rod 3 pushes the demolding plate 301 to ascend through the upper demolding rod 3, so that the workpiece 4 can be quickly demolded from the inner cavity of the die, the demolding is quicker, and simultaneously, the first mounting bolt 5 and the second mounting bolt 501 are disassembled, thereby dismantle lower mould 2 and last mould 201, can change last mould 201 and lower mould 2 according to the kind of work piece 4 like this, use more nimble and convenient.

The workpiece 4 is movably placed on the upper surface of the die cavity 202, an expansion ring 401 is movably mounted on the upper surface of the die cavity 202, the expansion ring 401 is located in an inner cavity of the workpiece 4, an arc-shaped pressing groove 402 is fixedly formed in the lower surface of the upper die 201, a through hole 403 is fixedly formed in the surface of the inner wall of the workpiece 4, an arc-shaped edge 404 is arranged on the top surface of the workpiece 4, a reset spring 405 is fixedly embedded in the side wall of the expansion ring 401, the top surface of the workpiece 4 is pressed through the arc-shaped pressing groove 402 in the lower surface of the upper die 201, so that the flanging operation of the top of the workpiece 4 is realized, the expansion ring 401 is arranged in the inner cavity of the workpiece 4, the expansion ring 401 is in a petal shape, after the expansion cone 204 is inserted into the inner cavity of the expansion ring 401, the expansion ring 401 is expanded outwards, so that the inner wall of the workpiece 4 can be extruded through the outer wall of the expansion ring 401, and the deformation of the through hole 403 on the surface of the workpiece 4 can be prevented when the flanging stamping is performed, the stamping precision and quality of the workpiece 4 can be effectively improved.

The bottom surface of the lower die carrier 1 is in threaded connection with a mounting bolt 5, the top of the mounting bolt 5 is connected with the lower die 2, and the lower die 2 can be mounted through the mounting bolt 5.

Two ends of the upper surface of the upper die frame 102 are in threaded connection with second mounting bolts 501, the bottoms of the second mounting bolts 501 are in threaded connection with the upper die 201, and the second mounting bolts 501 can mount the upper die 201.

The bottom of the die cavity 202 is movably provided with a stripping plate 301, and the stripping plate 301 pushes up the die cavity 202, so that the workpiece 4 can be rapidly stripped.

A top rod 104 is fixedly welded in the middle of the lower surface of the lower die carrier 1, a demoulding rod 3 is movably inserted into one side of the top rod 104, the top of the demoulding rod 3 is connected with a demoulding plate 301, and the lifting of the demoulding plate 301 can be controlled by the top rod 104

The utility model discloses a theory of operation: the workpiece 4 to be punched is placed on a die cavity 202 on the surface of a lower die 2, a punching machine pushes the lower die carrier 1 to ascend through an ejector rod 104, the lower die carrier 1 is guided through a guide post 101 and a guide sleeve 103 when ascending and descending, the die assembly precision of the lower die 2 and an upper die 201 can be improved, the punching precision and the quality of the workpiece 4 are improved, the punching force degree of the workpiece 4 can be adjusted by adjusting the pressure of a control punching machine, when the lower die 2 ascends, the workpiece 4 is extruded through the lower die 2 and the upper die 201, the top surface of the workpiece 4 can be pressed through an arc-shaped pressure groove 402 on the lower surface of the upper die 201, the flanging operation on the top of the workpiece 4 is realized, wherein an expansion ring 401 is arranged in the inner cavity of the workpiece 4, the expansion ring 401 is in a petal shape, and after an expansion cone 204 is inserted into the inner cavity of the expansion ring 401, the expansion ring, thereby accessible expansion ring 401's outer wall extrudees the inner wall of work piece 4, thereby can prevent when carrying out the turn-ups punching press to work piece 4, cause the through-hole 403 on work piece 4 surface to take place deformation, can effectively promote punching press precision and quality to work piece 4, after last mould 201 lifting, expansion ring 401 lateral wall supports through reset spring 405, thereby make expansion ring 401 reset fast, simultaneously through pushing away demoulding rod 3, demoulding rod 3 top promotes stripper plate 301 and rises, thereby can make work piece 4 demold from the mould inner chamber fast, make the swift of drawing of patterns more, dismantle through installing bolt 5 and No. two installing bolt 501 to the while, thereby dismantle lower mould 2 and last mould 201, can change last mould 201 and lower mould 2 according to the kind of work piece 4 like this, it is more nimble and convenient to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a stamping die of adjustable punching force degree, includes die carrier (1), guide pillar (101), goes up die carrier (102), guide pin bushing (103) and ejector pin (104) down, the equal fixed mounting in die carrier (1) upper surface both ends has guide pillar (101) down, die carrier (1) top movable mounting has last die carrier (102) down, it has guide pin bushing (103) to go up the equal fixed welding in die carrier (102) lower surface both ends, and guide pin bushing (103) and ejector pin (104) peg graft each other, its characterized in that: lower die carrier (1) upper surface movable mounting has bed die (2), it has last mould (201) to go up fixed surface movable mounting of die carrier (102) lower surface, die carrier (1) inner chamber movable mounting has nib (202) down, go up fixed flexible groove (203) of having seted up in the middle of mould (201) lower surface, flexible groove (203) inner chamber movable mounting has expansion awl (204), and expansion awl (204) and nib (202) mutually support, expansion awl (204) top fixedly connected with supporting spring (302), and supporting spring (302) are located flexible groove (203) inner chamber.

2. The stamping die capable of adjusting the stamping degree as claimed in claim 1, wherein: workpiece (4) have been put in die cavity (202) upper surface activity, die cavity (202) upper surface activity installs expansion ring (401), and expansion ring (401) are located work piece (4) inner chamber, it has seted up arc indent (402) to go up fixed surface under mould (201), through-hole (403) have been seted up to work piece (4) inner wall fixed surface, work piece (4) top surface is provided with arc limit (404), fixed the inlaying of expansion ring (401) lateral wall has reset spring (405).

3. The stamping die capable of adjusting the stamping degree as claimed in claim 1, wherein: the surface of the bottom of the lower die frame (1) is in threaded connection with a first mounting bolt (5), and the top of the first mounting bolt (5) is connected with the lower die (2).

4. The stamping die capable of adjusting the stamping degree as claimed in claim 1, wherein: two ends of the upper surface of the upper die frame (102) are in threaded connection with a second mounting bolt (501), and the bottom of the second mounting bolt (501) is in threaded connection with the upper die (201).

5. The stamping die capable of adjusting the stamping degree as claimed in claim 1, wherein: and a stripping plate (301) is movably arranged at the bottom of the die cavity (202).

6. The stamping die capable of adjusting the stamping degree as claimed in claim 5, wherein: the middle of the lower surface of the lower die carrier (1) is fixedly welded with a push rod (104), one side of the push rod (104) is movably inserted with a demoulding rod (3), and the top of the demoulding rod (3) is connected with a demoulding plate (301).

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