CN214601422U

CN214601422U - Stamping and bending die

Info

Publication number: CN214601422U
Application number: CN202023086046.XU
Authority: CN
Inventors: 胡昌波; 赖志强; 崔玉粦
Original assignee: Huizhou Hkingv Industry Co ltd
Current assignee: Huizhou Hkingv Industry Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-11-05
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a stamping and bending die, which relates to the field of stamping dies, and is provided with a bending external member, an external positioning external member and a horizontal swinging positioning external member, wherein the horizontal swinging positioning external member and the horizontal swinging positioning external member are respectively arranged on the bending external member; even if the fit clearance between the spare parts is increased, the arrangement of the outer positioning sleeve piece and the transverse swing positioning sleeve piece can still ensure that the bending sleeve piece can be accurately attached under the driving of stamping equipment, so that the bending sleeve piece can perform middle bending on a preset position on a metal piece, and the situation that the metal piece is poorly bent is avoided; the positioning pin is arranged, so that after the metal piece is placed on the bending lower die, the positioning pin penetrates through the through hole in the metal piece, the effect of positioning the metal piece is achieved, the metal piece can be accurately placed on a preset machining position, and the situation that the metal piece is not bent well is further avoided.

Description

Stamping and bending die

Technical Field

The utility model relates to a stamping die field especially relates to a stamping bending die.

Background

The stamping process is a common metal processing method, and a certain pressure is applied to metal by using a die and stamping equipment under the condition of not damaging the metal, so that the metal is deformed to a certain extent, and a metal stamping part meeting the preset specification and performance is obtained.

In the concrete working process, the punching press workman is fixed the punching press mould of bending to stamping equipment on, afterwards, the laminating of the punching press mould of bending of stamping equipment drive, and at the in-process of the laminating of mould, the metalwork can take place deformation under the top of mould is held promptly, laminates completely when the mould, accomplishes the stamping process of metal promptly.

However, in the actual application process of the existing stamping and bending die, some technical problems to be overcome still occur, for example, after long-term use, the fit clearance between the upper die and the lower die is gradually increased, so that the upper die and the lower die cannot be accurately attached to each other, and the metal part is badly bent;

for another example, after the metal part is prevented from being placed at the predetermined punching position, the metal part may not be accurately bent due to the failure of accurate placement at the predetermined position, and thus the metal part may be poorly bent.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a punching press mould of bending, this punching press mould of bending not only can solve the technical problem that mould and bed die can't accurate counterpoint laminating, can also solve the metalwork and can't obtain pinpointing and the bad technical problem of bending appears.

The purpose of the utility model is realized through the following technical scheme:

a stamping and bending die comprises:

the bending external member comprises a pressing plate, a loading plate, a bending upper die and a bending lower die, wherein the bending upper die is arranged on the pressing plate, the bending lower die is arranged on the loading plate, and part of the side wall of the bending lower die protrudes outwards to form a positioning pin;

the outer positioning kit comprises an outer guide pillar and an outer guide sleeve, wherein an outer guide hole is formed in the outer guide sleeve, the outer guide pillar is arranged on the laminated plate, the outer guide sleeve is arranged on the carrying plate, and the outer guide hole is used for accommodating the outer guide pillar; and

the horizontal swing positioning kit comprises a horizontal swing positioning socket, a horizontal swing guide plug, a horizontal swing limiting seat, an anti-deviation seat and an alignment plug block, wherein the horizontal swing positioning socket is arranged on an upper bending die, the horizontal swing guide plug is connected with the horizontal swing positioning socket, the horizontal swing limiting seat and the anti-deviation seat are respectively arranged on a lower bending die, an alignment interval is arranged between the horizontal swing limiting seat and the anti-deviation seat, the alignment plug block is arranged on the anti-deviation seat, and the alignment plug block is used for being mutually abutted against the horizontal swing guide plug;

the laminated plate is used for enabling the outer guide post to be inserted into the outer guide sleeve and enabling the yaw guide plug to be inserted into the alignment interval when the laminated plate is driven by stamping equipment to move towards the direction close to or far away from the loading plate.

In one embodiment, the yaw positioning kit comprises a plurality of the yaw guide plugs and a plurality of the alignment plug blocks, and each yaw guide plug is supported by each alignment plug block in a one-to-one correspondence manner.

In one embodiment, a guiding inclined plane is arranged on the alignment insertion block.

In one embodiment, the yaw guide plug is provided with a guide bevel angle.

In one embodiment, the corner aligning device further comprises a corner aligning kit, wherein the corner aligning kit comprises a plurality of corner aligning pins and a plurality of corner aligning seats, the corner aligning pins are arranged on the upper bending die, the corner aligning seats are arranged on the lower bending die, corner aligning holes are formed in the corner aligning seats, and the corner aligning holes are used for accommodating the corner aligning pins.

In one embodiment, a guide round top surface, a middle transition surface and a last alignment surface which are connected in sequence are arranged on the locating pin.

In one embodiment, the stamping and bending die further comprises an air avoiding seat, the air avoiding seat is arranged on the lower bending die, and the air avoiding seat is used for jacking a metal piece.

In one embodiment, the bending lower die is provided with a vent hole.

In one embodiment, a position avoiding notch is formed in the corner position of the bending upper die.

In one embodiment, the bending kit further includes a plurality of vertical plates, and each vertical plate is connected to the carrying plate.

Compared with the prior art, the utility model discloses advantage and beneficial effect below having at least:

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a stamping and bending die according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a stamping and bending die according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

fig. 4 is a schematic view of a part of a structure of a stamping and bending die according to an embodiment of the present invention;

fig. 5 is an enlarged schematic view at B of fig. 2.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the press bending die 10 includes a bending kit 100, an outer positioning kit 200, and a yaw positioning kit 300, wherein the outer positioning kit 200 and the yaw positioning kit 300 are respectively connected to the bending kit 100.

The stamping and bending die 10 is used for bending a metal piece under the driving of stamping equipment; the bending sleeve 100 plays a role in stamping a metal piece; the outer positioning sleeve 200 plays a role in guiding the positioning of the bending sleeve 100; the yaw positioning kit 300 serves to guide the bending kit 100 to further align.

Referring to fig. 1, 2 and 3, the bending assembly 100 includes a pressing plate 110, a loading plate 120, a bending upper mold 130 and a bending lower mold 140, wherein the bending upper mold 130 is disposed on the pressing plate 110, the bending lower mold 140 is disposed on the loading plate 120, and a part of a sidewall of the bending lower mold 140 protrudes outward to form a positioning pin 150.

The press plate 110 functions to fix the bending upper die 130; the loading plate 120 plays a role of supporting the bending lower die 140; when the metal piece is placed on the bending lower die 140, the positioning pin 150 penetrates through the through hole of the metal piece, so that the metal piece is positioned to face the lower die, and the bending precision of the metal piece is improved.

In the actual working process, the pressing plate 110 drives the upper bending die 130 to move synchronously, and then the upper bending die 130 pushes the part of the metal part to be bent on the lower bending die 140 to move, so that the purpose of bending the predetermined part of the metal part is achieved.

Referring to fig. 2 and 4, the outer positioning assembly 200 includes an outer guide post 210 and an outer guide sleeve 220, the outer guide sleeve 220 has an outer guide hole 230, the outer guide post 210 is disposed on the pressing plate 110, the outer guide sleeve 220 is disposed on the carrying plate 120, and the outer guide hole 230 is used for receiving the outer guide post 210.

It should be noted that, in the process that the upper bending die 130 and the lower bending die 140 approach each other, the outer guide pillar 210 is inserted into the outer guide hole 230 on the outer guide sleeve 220 in advance, so that the hole wall of the outer guide hole 230 limits the outer guide pillar 210, so that the outer guide pillar 210 can only slide along a predetermined track, and thus the upper bending die 130 can be aligned and attached to the lower bending die 140 along the predetermined track, and the bending precision is improved; further, even if there is a certain fit clearance between the parts, the bending precision of the press bending die 10 can still be ensured to a certain extent under the guidance of the outer guide pillar 210 and the outer guide sleeve 220.

Referring to fig. 2, 4 and 5, the yaw positioning kit 300 includes a yaw positioning socket 310, a yaw guiding plug 320, a yaw limiting seat 330, an anti-deviation seat 340 and a contraposition insertion block 350, the yaw positioning socket 310 is disposed on the upper bending die 130, the yaw guiding plug 320 is connected to the yaw positioning socket 310, the yaw limiting seat 330 and the anti-deviation seat 340 are respectively disposed on the lower bending die 140, a contraposition interval 360 is disposed between the yaw limiting seat 330 and the anti-deviation seat 340, the contraposition insertion block 350 is disposed on the anti-deviation seat 340, and the contraposition insertion block 350 is used for propping against the yaw guiding plug 320;

in practical applications, the pressing plate 110 is used for inserting the outer guide post 210 into the outer guide sleeve 220 and inserting the yaw guide plug 320 into the alignment space 360 when being driven by the pressing device to move toward or away from the loading plate 120.

It should be noted that the yaw orientation socket 310 is used for fixing the yaw orientation plug 320; the yaw guide plug 320 is used for guiding the bending upper die 130 to align accurately; the swing limiting seat 330 and the deviation preventing seat 340 are used for limiting the moving track of the yaw guide plug 320, so that poor alignment of the stamping and bending die caused by swinging of the upper bending die 130 in the pressing process is prevented; the alignment space 360 between the swing limit seat 330 and the anti-deviation seat 340 is used for accommodating the swing guide plug 320; the alignment plug 350 is used for guiding the yaw guide plug 320 entering the alignment interval 360 to gradually align so as to achieve the purpose of alignment guide;

thus, after the outer positioning kit 200 performs one outer positioning, the yaw positioning kit 300 performs one inner positioning again, and two successive positioning can ensure that the stamping and bending die can accurately bend metal pieces, thereby improving the bending precision of the stamping and bending die 10.

Referring to fig. 2, 4 and 5, in one embodiment, the yaw positioning assembly 300 includes a plurality of yaw guide plugs 320 and a plurality of alignment plugs 350, wherein each yaw guide plug 320 is supported against each alignment plug 350 in a one-to-one correspondence.

It should be noted that, the arrangement of the plurality of yaw guide plugs 320 and the plurality of alignment insertion blocks 350 can correct the fitting trajectory of the bending kit 100 from a plurality of different positions, thereby avoiding the situation of poor bending of the metal part due to the lack of positioning correction in the local part of the press bending die 10, and further improving the bending precision of the metal part.

Referring to fig. 5, in one embodiment, the alignment insertion block 350 is provided with a guiding inclined surface 351.

It should be noted that, after the yaw guide plug 320 is inserted into the alignment space 360, the yaw guide plug 320 slides along the surface of the guide inclined plane 351, so that the yaw guide plug 320 can move gently to a predetermined position, thereby gently driving the bending upper die 130 to align, and improving the stability of the stamping and bending die 10 during the alignment and deviation rectification process.

Referring to fig. 4, in one embodiment, the yaw guide plug 320 is provided with a guide bevel 321.

It should be noted that, the arrangement of the guide bevel 321 increases the contact area between the yaw guide plug 320 and the alignment insertion block 350, and avoids the phenomenon that the yaw guide plug 320 and the alignment insertion block 350 are damaged due to stress concentration.

Referring to fig. 2 and 4, in one embodiment, the stamping and bending mold 10 further includes a corner alignment kit 400, the corner alignment kit 400 includes a plurality of corner alignment pins 410 and a plurality of corner alignment seats 420, the corner alignment pins 410 are disposed on the upper bending mold 130, the corner alignment seats 420 are disposed on the lower bending mold 140, corner alignment holes 430 are disposed on the corner alignment seats 420, and the corner alignment holes 430 are used for receiving the corner alignment pins 410.

It should be noted that, when the bending kit 100 bends the metal part, the corner aligning pin 410 is inserted into the corner aligning hole 430 on the corner aligning seat 420 first, so that the hole wall of the corner aligning hole 430 limits the corner aligning pin 410 to a certain extent, thereby improving the bending precision of the metal part of the press bending die 10.

Referring to fig. 3, in one embodiment, the positioning pin 150 is provided with a guiding round top surface 151, a middle transition surface 152 and a final alignment surface 153 which are sequentially connected.

It should be noted that the guiding round top surface 151 functions to guide the through hole of the metal member to align with the positioning pin 150; the intermediate transition surface 152 plays a role of gradually correcting the falling trajectory of the metal piece, so that the central axis of the through hole on the metal piece is gradually close to the central axis of the positioning pin 150; the final centering surface 153 is used for being attached to the hole wall of the through hole in the metal piece, so that the central axis of the through hole in the metal piece is attached to the central axis of the positioning pin 150, and the metal piece can be accurately placed on a preset position.

Referring to fig. 3, in one embodiment, the stamping and bending die 10 further includes an anti-backlash seat 500, the anti-backlash seat 500 is disposed on the lower bending die 140, and the anti-backlash seat 500 is used for supporting the metal member.

It should be noted that the clearance avoiding seat 500 supports the part of the metal part that does not need to be bent, and the part of the metal part that does not need to be bent is prevented from being bent under the driving of the rest parts.

Referring to fig. 3, in one embodiment, the bending lower mold 140 is provided with a vent 141.

It should be noted that the vent hole 141 is used for evacuating air between the metal part and the bending lower die 140, and especially for a sheet metal part, the situation that the air between the metal part and the bending lower die 140 is not evacuated in time easily causes positional deviation of the metal part in the bending process, thereby further ensuring the bending precision of the metal part.

Referring to fig. 1, in one embodiment, a position-avoiding notch 131 is formed at a corner position of the upper bending die 130.

It should be noted that, the clearance gap 131 is provided, so that the corner with the clearance gap 131 is prevented from colliding with the laminated board 110, and the laminated board 110 is prevented from being scratched.

Referring to fig. 1, in one embodiment, the bending kit 100 further includes a plurality of vertical plates 160, and each vertical plate 160 is connected to the loading plate 120.

It should be noted that the vertical plate 160 functions to support the carrier plate 120.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a punching press mould of bending which characterized in that includes:

2. The press bending die according to claim 1, wherein the yaw positioning kit comprises a plurality of yaw guide plugs and a plurality of alignment insertion blocks, and each yaw guide plug is supported by each alignment insertion block in a one-to-one correspondence manner.

3. The stamping and bending die according to claim 1, wherein the alignment insert block is provided with a guide inclined surface.

4. The press bending die according to claim 1 or 3, wherein the yaw guide plug is provided with a guide bevel.

5. The stamping and bending die of claim 1, further comprising a corner alignment kit, wherein the corner alignment kit comprises a plurality of corner alignment pins and a plurality of corner alignment seats, the corner alignment pins are disposed on the upper bending die, the corner alignment seats are disposed on the lower bending die, the corner alignment seats are provided with corner alignment holes, and the corner alignment holes are used for receiving the corner alignment pins.

6. The press bending die according to claim 1, wherein the locating pin is provided with a guide round top surface, a middle transition surface and a final centering surface which are connected in sequence.

7. The stamping and bending die of claim 1, further comprising an evacuation seat disposed on the lower bending die, wherein the evacuation seat is used for supporting a metal member.

8. The stamping and bending die of claim 1, wherein the lower bending die is provided with vent holes.

9. The stamping and bending die according to claim 1, wherein position-avoiding notches are formed at corner positions of the upper bending die.

10. The stamping and bending die of claim 1, wherein the bending kit further comprises a plurality of vertical plates, and each vertical plate is connected with the loading plate.