CN111687305A

CN111687305A - Die set

Info

Publication number: CN111687305A
Application number: CN202010527620.6A
Authority: CN
Inventors: 李昂; 戴丽娟; 周富强; 黄永生; 高双明; 王肖英; 孙冠良; 刘莉
Original assignee: Anhui Jianghuai Automobile Group Corp
Current assignee: Anhui Jianghuai Automobile Group Corp
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-09-22
Anticipated expiration: 2040-06-10
Also published as: CN111687305B

Abstract

The invention discloses a die and relates to the technical field of machining. The mould is used for processing the stamping workpiece, and the stamping workpiece has the main part and treats the processing limit, the mould includes: a mold body; the integrated mechanism is arranged on the die body and used for trimming the to-be-machined edge and acting on the trimmed to-be-machined edge so as to bend the trimmed to-be-machined edge relative to the main body to form a flanging; and the punching mechanism is arranged on the die body and used for punching the flanging. The die designed by the invention has a simple and compact structure, can finish three operations of trimming, flanging and side punching of the punching piece in sequence in one die process, and reduces the die development cost.

Description

Die set

Technical Field

The invention relates to the technical field of machining, in particular to a die.

Background

In the field of machining, particularly in the field of automobile part machining, trimming, flanging and side punching of a stamping part are common machining means for stamping production, and a common machining method is that the stamping part is sequentially machined by corresponding dies, two-sequence or even three-sequence dies are often required to complete the work, multiple sets of dies are required to be developed for stamping part production, the production process is complex, the die development cost is high, and the stamping part production cost is high.

Disclosure of Invention

The invention mainly aims to provide a die, and aims to provide a die which is simple in structure and can finish trimming, flanging and side punching operations in a set of die.

In order to achieve the above object, the present invention provides a die for processing a stamping part, the stamping part having a main body and an edge to be processed, the die comprising:

a mold body;

the integrated mechanism is arranged on the die body and used for trimming the to-be-machined edge and acting on the trimmed to-be-machined edge so as to bend the trimmed to-be-machined edge relative to the main body to form a flanging; and the number of the first and second groups,

and the punching mechanism is arranged on the die body and used for punching the flanging.

Optionally, the die body comprises a punch having an upper end face for supporting the body and a sidewall perpendicular to the upper end face;

the integrated mechanism includes:

the trimming block is positioned on one side of the male die, supported at the position to be trimmed of the edge to be machined and spaced from the side wall of the male die to form a flanging space; and the number of the first and second groups,

the integrated knife block is positioned above the flanging space and can be arranged in a vertically moving mode, and is provided with a downward end face, the side edge of the end face close to the trimming block is provided with a downward cutting edge, when the integrated knife block moves downwards to abut against the edge to be machined, the cutting edge is matched with the trimming block to cut the part to be trimmed, and the end face abuts downwards to push the edge to be machined after trimming, so that the edge to be machined after trimming is bent downwards.

Optionally, the die body further comprises an upper die holder and a lower die holder which are arranged oppositely, the male die and the trimming block are arranged on the lower die holder, the integrated knife block is arranged on the upper die holder, and the upper die holder is movably arranged up and down relative to the lower die holder so as to drive the integrated knife block to move up and down.

Optionally, the upper end face of the trimming block has an upper edge close to the integrated cutter block, and the upper edge is provided with a cutting edge for cutting off the position to be trimmed.

Optionally, the upper end face of the trimming block is higher than the upper end face of the punch.

Optionally, the integrated cutter block is provided with a flanging side close to the male die, and the end surface and the flanging side are in arc transition; and/or the presence of a gas in the gas,

an arc-shaped transition surface is formed between the upper end surface of the male die and the side wall.

Optionally, the punching mechanism comprises a punch moving horizontally relative to the side wall for punching the flange when approaching the side wall.

Optionally, the punching mechanism further comprises a driving structure in driving connection with the punch for driving the punch to move horizontally.

Optionally, the driving structure comprises:

the base is arranged on the lower die base, and a slide way extending in a direction vertical to the side wall is arranged on the base;

the sliding block is movably arranged on the slide way, one side of the sliding block is connected with the punch, and the other side of the sliding block is inclined to form a first sliding wall; and the number of the first and second groups,

the driving block is arranged on the upper die base, a second sliding wall in sliding fit with the first sliding wall is formed on one side, deviating from the upper die base, of the driving block, and when the driving block moves downwards along with the upper die base, the second sliding wall is in sliding fit with the first sliding wall to push the sliding block to move towards the side wall.

Optionally, the driving structure further includes a reset element disposed between the base and the slider for pushing the slider away from the side wall.

According to the technical scheme, the integrated mechanism and the punching mechanism are arranged on the die body, the integrated mechanism is used for trimming the to-be-machined edge of the stamping part, then the trimmed to-be-machined edge is acted, the trimmed to-be-machined edge is bent relative to the main body to form a flanging, so that flanging operation is completed, and finally the punching mechanism is used for punching the flanging, so that trimming, flanging and side punching operation of the stamping part are completed. The die designed by the invention has a simple and compact structure, can finish three operations of trimming, flanging and side punching of the punching piece in sequence in one die process, and reduces the die development cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of one embodiment of a mold provided in the present invention;

FIG. 2 is an exploded view of the mold shown in FIG. 1;

fig. 3 is a schematic structural view of the integrated cutter block shown in fig. 1.

The reference numbers illustrate:

100	die set	222	Side turning
				1	Die body	223	Punch avoiding hole
11	Male die	3	Punching mechanism
				111	Upper end face	31	Punch head
112	Side wall	32	Driving structure
				113	Arc transition surface	321	Base seat
2	Integrated mechanism	3211	Slide way
				21	Trimming block	322	Sliding block
211	Upper side edge	3221	First sliding wall
				22	Integrated knife block	323	Driving block
221	End face	3231	Second sliding wall
				2211	Trimming cutting edge

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front, rear, outer and inner … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In the field of machining, particularly in the field of machining of automobile parts, trimming, flanging and side punching of plates are common machining means for stamping production, and a common machining method is that corresponding dies are adopted for machining the plates in sequence, so that two-sequence dies or even three-sequence dies are often required for completing the work, multiple sets of dies are required to be developed for producing the stamped parts, the production process is complex, the die development cost is high, and the stamping part production cost is high.

In view of this, the present invention provides a die, and aims to provide a die which has a simple structure and can perform trimming, flanging and side punching operations in a set of dies. FIG. 1 is a schematic view of one embodiment of a mold provided in the present invention; FIG. 2 is an exploded view of the mold shown in FIG. 1; fig. 3 is a schematic structural view of the integrated cutter block shown in fig. 1.

Referring to fig. 1, a die 100 according to an embodiment of the present invention is used for processing a stamping part, the stamping part has a main body and an edge to be processed, the die 100 includes a die body 1, an integration mechanism 2, and a punching mechanism 3: the integrated mechanism 2 is arranged on the die body 1 and used for trimming the edge to be machined and acting on the trimmed edge to be machined so as to bend the trimmed edge to be machined relative to the main body to form a flanging; the punching mechanism 3 is arranged on the die body 1 and used for punching the flanging.

According to the technical scheme, the die 100 is designed, the integrated mechanism 2 and the punching mechanism 3 are arranged on the die body 1, the integrated mechanism 2 carries out trimming operation on the to-be-machined edge of the stamping part, then the trimmed to-be-machined edge is acted, the trimmed to-be-machined edge is bent relative to a main body to form a flanging, so that flanging operation is completed, and finally the punching mechanism 3 carries out punching operation on the flanging, so that trimming, flanging and side punching operation of the stamping part are completed. The die 100 designed by the invention has a simple and compact structure, can sequentially finish three operations of trimming, flanging and side punching of a punching piece in one die 100 process, and reduces the development cost of the die 100.

The present invention is not limited with respect to the specific form of the integrated mechanism 2, and preferably, in the embodiment of the present invention, referring to fig. 1 to 3, the die body 1 includes a male die 11, the male die 11 has an upper end surface 111 for supporting the main body and a side wall 112 perpendicular to the upper end surface 111; the integrated mechanism 2 comprises an edge trimming block 21 and an integrated cutter block 22, wherein the edge trimming block 21 is positioned on one side of the male die 11, supported at the position of the edge to be trimmed of the edge to be machined, and separated from the side wall 112 of the male die 11 to form a flanging space; the integrated knife block 22 is located above the flanging space and can be arranged in a vertically moving mode, and is provided with a downward end face 221, a downward cutting edge is arranged on the side edge, close to the trimming block 21, of the end face 221, namely the trimming cutting edge 2211, when the integrated knife block 22 moves downwards to abut against the to-be-machined edge, the trimming cutting edge 2211 is matched with the trimming block 21 to cut the to-be-trimmed part, and the end face 221 abuts against the trimmed to-be-machined edge downwards to enable the trimmed to-be-machined edge to bend downwards.

During specific work, the main body of the stamping part is placed on the upper end face 111 of the male die 11, the trimming cutter block supports the edge to be machined, the integrated cutter block 22 moves downwards, when the trimming cutter edge 2211 contacts the edge to be machined, the trimming cutter edge 2211 is matched with the trimming cutter block 21 to cut the edge to be trimmed, then the integrated cutter block 22 continues to move downwards, the end face 221 of the integrated cutter block 22 downwards abuts against the edge to be machined after trimming, and the edge to be machined after trimming is bent downwards to form a flanging. Simple structure and convenient implementation.

In addition, referring to fig. 3, the integrated cutter block 22 is provided with a punch avoiding hole 223 for avoiding the punching mechanism 3, so that the compactness of the die 100 is increased, and the occupied space is reduced.

Preferably, the die body 1 further comprises an upper die holder and a lower die holder which are oppositely arranged, the male die 11 and the trimming block 21 are arranged on the lower die holder, the integrated knife block 22 is arranged on the upper die holder, and the upper die holder is movably arranged up and down relative to the lower die holder so as to drive the integrated knife block 22 to move up and down. The integrated knife block 22 is driven to move by the up-and-down movement of the upper die base relative to the lower die base, so that the integrated knife block is more stable and convenient.

In order to facilitate the trimming operation more quickly, in the embodiment of the present invention, referring to fig. 1, the upper end surface of the trimming block 21 has an upper edge 211 close to the integrated knife block 22, and the upper edge 211 is provided with a cutting edge for cutting off the portion to be trimmed. During trimming, the trimming edge 2211 of the integrated knife block 22 and the edges on the trimming block 21 act simultaneously, so that trimming is more convenient.

Further, in the present embodiment, the upper end face of the trimming block 21 is higher than the upper end face of the punch 11. Thus, when the integrated knife block 22 goes down, the trimming edge 2211 of the integrated knife block firstly contacts with the upper end surface of the trimming block 21 to perform trimming operation, and then performs flanging and side punching operation, so that the structure is simple, smooth and flexible.

In order to protect the surface of the stamping part from being damaged during the flanging operation, in the embodiment of the present invention, referring to fig. 2, the integrated cutter block 22 has a flanging side 222 close to the male die 11, and the end surface 221 and the flanging side 222 form an arc transition, and the arc transition is arranged so that the end surface 221 downwardly pushes the trimmed edge to be processed, and when the trimmed edge to be processed is bent downwardly, the edge between the end surface 221 and the flanging side 222 can be effectively prevented from damaging the upper surface of the stamping part.

Likewise, an arc-shaped transition surface 113 is formed between the upper end surface 111 and the side wall 112 of the punch 11. The lower surface of the stamping part can be effectively prevented from being damaged by the edge between the upper end surface 111 and the side wall 112 of the male die 11.

To facilitate the punching operation, referring to fig. 2, the punching mechanism 3 includes a punch 31 horizontally movable relative to the side wall 112 for punching the flange while approaching the side wall 112.

Further, referring to fig. 2, the punching mechanism 3 further includes a driving mechanism 32 in driving connection with the punch 31 for driving the punch 31 to move horizontally.

As to the specific structure of the driving structure 32, the present invention is not limited as long as the horizontal movement of the punch 31 can be realized, and preferably, referring to fig. 2, the driving structure 32 includes a base 321, a slider 322, and a driving block 323, wherein the base 321 is disposed on the lower die base, and the base 321 has a slide 3211 extending along a direction perpendicular to the sidewall 112; the sliding block 322 is movably mounted on the slideway 3211, one side of the sliding block 322 is connected with the punch 31, and the other side is inclined to form a first sliding wall 3221; the driving block 323 is arranged on the upper die base, a second sliding wall 3231 in sliding fit with the first sliding wall 3221 is formed on one side of the driving block 323 departing from the upper die base, and when the driving block 323 moves downwards along with the upper die base, the second sliding wall 3231 is in sliding fit with the first sliding wall 3221 to push the slider 322 to move towards the side wall 112.

By arranging the first sliding wall 3221 and the second sliding wall 3231 which are in sliding fit with each other on the sliding block 322 and the driving block 323, the vertical motion of the driving block 323 is converted into the horizontal motion of the sliding block 322 and the punch 31, so that the integrated knife block 22 and the driving block 323 can be arranged on the upper die base and driven by the upper die base to move downwards, and material resources and the space of the die 100 are saved.

During specific work, the upper die base descends to drive the integrated cutter block 22 and the driving block 323 to descend, when the trimming cutting edge 2211 contacts with the edge to be machined, the trimming cutting edge 2211 is matched with the trimming block 21 to cut off the edge to be trimmed, in the process, the driving block 323 pushes the sliding block 322 and the punch 31 to move towards the side wall 112 along the horizontal direction, then, the upper die drives the integrated cutter block 22 and the driving block 323 to descend continuously, the end face 221 of the integrated cutter block 22 downwards abuts against the edge to be machined after trimming, and the edge to be machined after trimming is bent downwards to form a flanging. After the flanging is completed, the punch 31 is abutted to the flanging to perform punching operation, and the punching device is simple in structure, smooth and flexible.

After the punching operation is completed, the punch 31 and the stamping member are separated, and in the embodiment of the present invention, the driving structure 32 further includes a restoring member disposed between the base 321 and the sliding block 322 for pushing the sliding block 322 away from the side wall 112. Thus, after trimming, flanging and side punching are completed in sequence, the upper die base moves upwards, the punch 31 leaves the stamping part, and the machined stamping part can be taken out.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A die for processing a stamped part, the stamped part having a body and an edge to be processed, the die comprising:

a mold body;

2. The die of claim 1, wherein the die body comprises a punch having an upper end face for supporting the body and a sidewall perpendicular to the upper end face;

the integrated mechanism includes:

3. The die of claim 2, wherein the die body further comprises an upper die holder and a lower die holder which are arranged oppositely, the male die and the trimming block are arranged on the lower die holder, the integrated cutter block is arranged on the upper die holder, and the upper die holder is movably arranged up and down relative to the lower die holder so as to drive the integrated cutter block to move up and down.

4. The mold of claim 2, wherein the upper end surface of the trimming block has an upper edge adjacent to the integrated cutter block, the upper edge being provided with a cutting edge for cutting away the edge to be trimmed.

5. The die of claim 2, wherein an upper end surface of the trim block is higher than an upper end surface of the punch.

6. The die of claim 2, wherein the integrated cutter block has a flanging side adjacent to the punch, and the end face and the flanging side form an arc transition therebetween; and/or the presence of a gas in the gas,

7. The die of claim 3 wherein said punching mechanism includes a punch that moves horizontally relative to said sidewall for punching said flange when adjacent said sidewall.

8. The die of claim 7, wherein the punching mechanism further comprises a drive structure drivingly connected to the punch for driving the punch in horizontal movement.

9. The mold of claim 8, wherein the drive structure comprises:

10. The mold of claim 9, wherein said drive structure further comprises a return member disposed between said base and said slide for urging said slide away from said side wall.