CN217550910U

CN217550910U - Extrusion cutting flanging burr pressing progressive die structure

Info

Publication number: CN217550910U
Application number: CN202220999041.6U
Authority: CN
Inventors: 罗斌华
Original assignee: Suzhou Hongyangyu Machinery Technology Co ltd
Current assignee: Suzhou Hongyangyu Machinery Technology Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-10-11
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a crowded turn-ups of cutting presses burr modulus of continuity structure, take off the board in a plurality of in including lower bolster, embedding lower bolster, the unilateral setting of connecting a plurality of material pieces is taken to the material, still include with take off the turn-ups drift that the compound die of board corresponds and locate in the crowded drift that cuts of turn-ups drift side, the bottom of crowded drift that cuts is equipped with the oblique drift that is used for the half-cut material to be connected the limit in material and area, the turn-ups drift is including the punching press portion that is used for punching press material surface burr, locate punching press portion side and be close to the die-cut portion that the connection limit set up, punching press portion bottom surface circumference is equipped with and is used for cooperating in taking off board and lower bolster to carry out the turn-ups portion of material all around turn-ups. The utility model discloses a through crowded cut step with the material spare with the connection limit in material area carry out half cut reduce the burr in advance, the material spare carries out the turn-ups of whole week and presses the burr to handle and cut off the connection limit in step, simplifies whole flow, can high-efficiently accomplish the material spare surface and press burr and the turn-ups's of whole week processing operation, improves the mould continuous processing efficiency.

Description

Extrusion cutting flanging burr pressing progressive die structure

Technical Field

The utility model belongs to the technical field of the mould, especially, relate to a crowded turn-ups of cutting presses burr modulus of continuity structure.

Background

When a stamped part enters a die to be machined, a progressive die generally includes a series of machining processes such as cutting, trimming, deburring and shaping a workpiece. The prior patent No. CN201811453905.9 discloses a full-circle flanging continuous die production process, which comprises the steps of semi-cutting a blank out of a material belt, fully cutting and flattening the blank to form a material belt, keeping the blank moving in the material belt, and then performing full-circle flanging on the blank before the step of forming a male downward-punched blank on the full-circle flanging. The existing progressive die has the processing steps of half-shearing, full-shearing, patting back, flanging and driving blanking by a material belt, the processing station of the die is longer, the higher matching precision of the die needs to be ensured in the patting step, and the processing efficiency is limited by multistep processing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving above-mentioned technical problem, and provide crowded turn-ups of cutting and press burr modulus of continuity structure to the realization is carried out the joint margin with material spare and material area through crowded step of cutting and is half cut and reduce the burr in advance, and the material spare carries out the turn-ups of whole week and presses burr to handle and cut the joint margin in step, simplifies whole flow, can high-efficiently accomplish the material spare surface and press burr and the turn-ups's of whole week processing operation, improves the mould continuous processing efficiency. In order to achieve the above purpose, the utility model discloses technical scheme as follows:

crowded turn-ups of cutting presses burr modulus of continuity structure, including the lower bolster that is used for the direction material area, imbed in the lower bolster and elasticity goes up and down a plurality of interior stripper that set up, the unilateral setting of a plurality of material pieces is connected in the material area, still include with interior take off the turn-ups drift that the compound die of template corresponds and locate the crowded drift that cuts of turn-ups drift side, the bottom of crowded drift that cuts is equipped with the oblique die cutter that is used for the half-cut material piece and the limit of being connected of material area, the turn-ups drift is including the punching press portion that is used for punching press material piece surface burr, locate punching press portion side and be used for cutting off the die-cut portion of being connected the limit, punching press portion bottom surface circumference is equipped with and is used for in the cooperation to take off in the board and the lower bolster carries out the turn-up portion of material piece all around turn-ups.

Specifically, the bottom of the lower template is provided with a lower template, and an equal-height sleeve which is connected with the inner stripper plate and used for limiting the lifting height of the inner stripper plate is arranged in the lower template.

Specifically, elastic pieces for connecting the lower die base and the inner stripper plate are symmetrically arranged on two sides of the equal-height sleeve.

Specifically, an upper template, an upper backing plate, an upper fixing plate and an upper die holder are sequentially arranged above the lower template, and the flanging punch penetrates through the upper template and the upper backing plate to be detachably connected and fixed to the bottom of the upper fixing plate.

Specifically, the extrusion-cutting punch penetrates through the upper template and is connected to the bottom of the upper fixing plate, and the extrusion-cutting punch is arranged outside the upper base plate.

Specifically, be equipped with a set of symmetrical arrangement's turn-ups drift in the cope match-plate pattern, be equipped with the briquetting that connects the upper padding plate and run through the cope match-plate pattern setting between a set of turn-ups drift, the bottom crimping location material of briquetting takes the surface to set up.

Specifically, a guide chute used for accommodating and guiding the material belt is arranged at the top of the lower template.

Specifically, a plurality of symmetrically arranged material components are arranged on two sides of the material belt.

Specifically, a group of symmetrically arranged inclined punching knives are arranged at the bottom of the extruding and cutting punch head, and the inclined punching knives correspond to the positions of the two sides of the material belt and the connecting edge of the material part respectively.

Specifically, an arc-shaped part used for being matched with a flanging punch to punch a flanging of the material part is formed at the joint of the periphery of the inner stripping plate and the lower template.

Compared with the prior art, the utility model discloses crowded beneficial effect who cuts turn-ups and presses burr modulus of continuity structure mainly embodies:

the material belt is correctly guided and moved along the lower template, so that the displacement accuracy of the material belt is ensured, meanwhile, a plurality of material parts are respectively arranged on two sides of the material belt, the structure that the traditional material belt completely surrounds the material parts is avoided, the length of the connecting edge of the material belt and the material parts is reduced, and the problem of burrs caused by punching is effectively reduced; the connecting edge position of the material piece and the material belt is subjected to half-cutting treatment in advance through an extrusion cutting punch head, so that burrs during subsequent cutting of the connecting edge are reduced; the material part cuts off the connecting edge through the flanging punch, the cutting position has no burr problem, burr pressing treatment is performed on the surface of the material part, the material part is subjected to full-circumference flanging forming, burr pressing, flanging and blanking are integrally and synchronously processed, the machining efficiency of the die is improved, unnecessary machining steps are reduced, and the forming precision of the material part is ensured.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic sectional view of the present embodiment;

FIG. 3 is a partial structural view of the extrusion punch of the present embodiment;

FIG. 4 is a schematic view of the extruding and cutting punch and the flanging punch of the present embodiment;

FIG. 5 is a schematic view of the structure of the belt in this example;

FIG. 6 is a schematic view of a structure of the flanging punch in the present embodiment;

the figures in the drawings represent:

the die comprises a material belt 1, a material 11, a connecting edge 12, a lower die plate 2, an inner stripper plate 21, a lower die holder 22, an equal-height sleeve 23, an elastic part 24, a material guide groove 25, an open groove 26, an arc part 27, a flanging punch 3, a punching part 31, a punching part 32, a flanging part 33, an extruding and cutting punch 4, an inclined punching knife 41, an upper die plate 5, an upper backing plate 51, an upper fixing plate 52, an upper die holder 53 and a pressing block 54.

Detailed Description

The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some of the embodiments of the present invention, not all of the embodiments.

The embodiment is as follows:

referring to fig. 1-6, the embodiment is a continuous die structure for extruding, cutting, flanging and deburring, which includes a lower die plate 2 for guiding a material tape 1, a plurality of inner stripping plates 21 embedded in the lower die plate 2 and elastically lifted and lowered, the material tape 1 is connected with a single edge of a plurality of material pieces 11, and further includes a flanging punch 3 corresponding to the die assembly of the inner stripping plates 21, and an extruding and cutting punch 4 arranged at the side edge of the flanging punch 3, the bottom of the extruding and cutting punch 4 is provided with an inclined punch 41 for half-cutting the connecting edge 12 of the material piece 11 and the material tape 1, the flanging punch 3 includes a punching part 31 for punching the surface burr of the material piece 11, a punching part 32 arranged at the side edge of the punching part 31 for cutting the connecting edge 12, and a flanging part 33 for matching the inner stripping plates 21 and the lower die plate 2 to perform full-circumference flanging of the material piece is circumferentially arranged at the bottom surface of the punching part 31.

The bottom of the lower template 2 is provided with a lower template 22, and an equal-height sleeve 23 which is connected with the inner stripper plate 21 and used for limiting the lifting height of the inner stripper plate 21 is arranged in the lower template 22. Elastic pieces 24 for connecting the lower die holder 22 and the inner stripper plate 21 are symmetrically arranged on two sides of the equal-height sleeve 23, and the elastic pieces 24 are nitrogen springs in the embodiment.

An upper template 5, an upper backing plate 51, an upper fixing plate 52 and an upper die holder 53 are sequentially arranged above the lower template 2. The flanging punch 3 penetrates through the upper die plate 5 and the upper backing plate 51 to be detachably connected and fixed at the bottom of the upper fixing plate 52. The extrusion-cutting punch 4 penetrates through the upper die plate 5 and is connected to the bottom of the upper fixing plate 52, and the extrusion-cutting punch 4 is arranged outside the upper backing plate 51.

A group of flanging punches 3 which are symmetrically arranged are arranged in the upper template 5, and a group of inner stripping plates 21 which are symmetrically arranged are arranged in the lower template 2. A pressing block 54 which is connected with the upper backing plate 51 and penetrates through the upper die plate 5 is arranged between the flanging punches 3, and the bottom of the pressing block 54 is arranged on the surface of the positioning material belt 1 in a pressing mode. When the flanging punch 3 cuts the material piece 11, the material belt 1 is kept at a fixed position and cannot be displaced.

The top of the lower template 2 is provided with a guide chute 25 for accommodating and guiding the material belt 1, two sides of the material belt 1 are provided with a plurality of symmetrically arranged material components 11, the front end of the lower template 2 is provided with an open slot 26, and the material components 11 are partially positioned in the open slot 26 after material moving operation. The bottom of crowded drift 4 of cutting is equipped with oblique die-cutting 41 that a set of symmetry set up, and a set of oblique die-cutting 41 corresponds strip 1 both sides respectively and the 12 positions of being connected of material 11, and oblique die-cutting 41 is connected the limit 12 and is half disconnected for material 11 still keeps on strip 1, convenient synchronous and strip 1 removal, simultaneously, dashes in advance and connect the limit 12 and can reduce the burr here, avoids once only directly dashing disconnected connection limit 12 and causes a lot of burr phenomena. A certain flanging allowance is reserved at the position of the inclined punching knife 41 for punching the connecting edge 12, so that a proper flanging position is provided at the subsequent position, and the forming requirement of flanging is met.

After the extrusion cutting punch 4 performs half cutting, the material part 11 is transferred to the lower part of the flanging punch 3 for flanging treatment. The material part 11 is accurately positioned at the position of the inner stripping plate 21, the material belt 1 is positioned by the pressing block 54, the position of the connecting edge 12 is cut off by the punching part 32, the punching part 31 is matched with the inner stripping plate 21 to perform a punching function, so that the whole circumference flanging of the material part 11 is processed, meanwhile, the bottom surface of the punching part 31 is attached and pressed with the material part 11, and the punching part 31 is used for flattening the surface burrs of the material part 11 due to the existence of a processing hole in the material part 11. The flanging punch 3 integrates flanging, burr pressing and blanking, so that the processing steps are simplified, and the processing efficiency is improved.

An arc-shaped part 27 used for matching with the flanging punch 3 to punch the flanging of the material part 11 is formed at the connection part of the periphery of the inner stripping plate 21 and the lower template 2. A gap for flanging and bending the material part 11 is reserved between the circumferential direction of the flanging punch 3 and the arc-shaped part 26, and the material part 11 is accurately formed.

When the material belt 1 is applied to the punching machine, the material belt 1 is correctly guided and moved along the lower template 2, so that the displacement accuracy of the material belt 1 is ensured, meanwhile, the plurality of material pieces 11 are respectively arranged on two sides of the material belt 1, the traditional structure that the material belt 1 completely surrounds the material pieces is avoided, the length of the connecting edge 12 of the material belt 1 and the material pieces 11 is reduced, and the problem of burrs caused by punching is effectively reduced; the position of the connecting edge 12 of the material piece 11 and the material belt 1 is subjected to half-cutting treatment in advance through the extrusion cutting punch 4, so that burrs generated during subsequent cutting of the connecting edge 12 are reduced; the material part 11 is cut off the connecting edge 12 through the flanging punch 3, the cutting position has no burr problem, burrs are pressed on the surface of the material part 11 and the material part 11 is flanged and molded in the whole circumference, and the burrs, the flanging and the blanking are integrally and synchronously processed, so that the processing efficiency of the die is improved, unnecessary processing steps are reduced, and the molding precision of the material part 11 is ensured.

In the description of the present invention, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the terms "one embodiment," "some embodiments," "specific embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. The present invention is not limited to the above embodiments, but may be modified in various forms and details without departing from the spirit and scope of the present invention.

Claims

1. Crowded turn-ups of cutting presses burr modulus of continuity structure, including the lower bolster that is used for the direction material area, imbed in the lower bolster and elasticity goes up and down a plurality of interior stripper that set up, the unilateral setting of a plurality of material parts is connected in the material area, its characterized in that: still include with the turn-ups drift that interior stripper compound die corresponds and locate the crowded drift that cuts of turn-ups drift side, the bottom of crowded drift that cuts is equipped with the oblique die cutter that is used for the half-cut material spare and is connected the limit in material area, the turn-ups drift is including the punching press portion that is used for punching press material spare surface burr, locate punching press portion side and be used for cutting off the die-cut portion of connecting the limit, punching press portion bottom surface circumference is equipped with and is used for in the cooperation stripper and lower bolster to carry out the turn-ups portion of material spare full week.

2. The extrusion-cutting flanging burr-pressing progressive die structure of claim 1, which is characterized in that: the bottom of the lower template is provided with a lower template, and an equal-height sleeve which is connected with the inner stripper plate and used for limiting the lifting height of the inner stripper plate is arranged in the lower template.

3. The extrusion-cutting flanging burr-pressing progressive die structure of claim 2, wherein: elastic pieces for connecting the lower die base and the inner stripper plate are symmetrically arranged on two sides of the equal-height sleeve.

4. The extrusion-cutting flanging burr-pressing progressive die structure of claim 1, which is characterized in that: an upper template, an upper backing plate, an upper fixing plate and an upper die holder are sequentially arranged above the lower template, and the flanging punch penetrates through the upper template and the upper backing plate to be detachably connected and fixed at the bottom of the upper fixing plate.

5. The extrusion-cutting flanging burr-pressing progressive die structure of claim 4, wherein: the extrusion-cutting punch penetrates through the upper template and is connected to the bottom of the upper fixing plate, and the extrusion-cutting punch is arranged outside the upper base plate.

6. The extrusion-cutting flanging burr-pressing progressive die structure of claim 4, wherein: the upper die plate is internally provided with a group of flanging punches which are symmetrically arranged, a pressing block which is connected with the upper base plate and penetrates through the upper die plate is arranged between the group of flanging punches, and the bottom of the pressing block is in compression joint with the positioning material belt and is arranged on the surface.

7. The extrusion-cutting flanging burr-pressing progressive die structure of claim 1, which is characterized in that: and the top of the lower template is provided with a guide chute for accommodating and guiding the material belt.

8. The extrusion-cutting flanging burr-pressing progressive die structure of claim 1, which is characterized in that: and a plurality of symmetrically arranged material components are arranged on two sides of the material belt.

9. The extrusion-cutting flanging and burring progressive die structure of claim 8, wherein: and a group of symmetrically arranged inclined punching knives are arranged at the bottom of the extruding and cutting punch head, and the inclined punching knives correspond to the positions of the two sides of the material belt and the connecting edge of the material part respectively.

10. The extrusion-cutting flanging burr-pressing progressive die structure of claim 1, which is characterized in that: and an arc part used for matching with a flanging punch to punch the flanging of the material part is formed at the joint of the circumferential direction of the inner stripping plate and the lower template.