CN2912859Y

CN2912859Y - Flanging mold

Info

Publication number: CN2912859Y
Application number: CN 200620123913
Authority: CN
Inventors: 祖金林; 苏昆荣
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2006-07-11
Filing date: 2006-07-11
Publication date: 2007-06-20
Anticipated expiration: 2016-07-11

Abstract

The utility model relates to a flanging die which is composed of an upper shoe, a die shoe, an upper die block, a lower die block and a pressing block. The lower die block is fixed on the die shoe, the pressing block is assembled on the upper shoe, wherein, the flanging die also has a return mechanism fixed on the upper shoe, an upper die block fixing seat fixed on the return mechanism, and a guide slide fixed on the die shoe. A contacting surface between the upper die block fixing seat and the guide slide is provided with a matching inclination angle, the upper die block is fixed on the upper die block fixing seat. The flanging die enables the upper die block to provide a horizontal side thrust on the product while making the upper die block move downward to flange, so the upper die block can not only get compact vertically when reaching the lower dead point of the travel in downward movement but also can get compact at the side direction and thus the flanging molding effect can be guaranteed and the rebounding problem of the product can be solved effectively. The utility model avoids the repeated thinning on the molding angle of the mold, so as to shorten the manufacturing cycle of the manufacture of the mold and enhance the production efficiency.

Description

A kind of flanging die

Technical field

The utility model relates to the diel field, more specifically, relates to a kind of flanging die.

Background technology

At present, diel has been widely used in the manufacturing of auto parts and components.Because the shape need of product, many products all must be through this operations of flange, to reach required shape in process.But in the process of reality, because there is strain in material itself, so after the product behind the flange is taken out, the angle of bend of product will change, so-called " product resilience " phenomenon appears from mould.Therefore will cause the respective shapes of product shape and mould, promptly the shape of She Ji the required formation of product is not quite identical, for example shown in Figure 1, flanging 11 is through formed flangings 11 ' in turnover back and the flanging 11 ' that needs formation ' between be formed with angle, thereby can't satisfy the designing requirement of product.

For solving product resilience problem, normally when utilizing empirical equation or computer software design mould, the contingent springback capacity that in advance analysis is drawn deducts in the prior art, so that the product after the depanning obtains required shape.And, often have error during owing to the calculating springback capacity for some complex-shaped products, so in order to guarantee the accuracy of product shape, just must carry out reconditioning repeatedly to the moulding angle of mould, therefore prolong the manufacturing cycle of mould, reduced production efficiency, increased manufacturing cost.

The utility model content

The purpose of this utility model provides a kind of molding effect that can guarantee product, thereby effectively solves the flanging die of product resilience problem.

The flanging die that the utility model provides comprises upper bolster 1, die shoe 2, upper module 3, lower module 4 and binder block 5, lower module 4 is fixed on the die shoe 2, binder block 5 is assemblied on the upper bolster 1, wherein, this flanging die also comprises the backhaul mechanism 6 that is fixed on the upper bolster 1, be fixed on the upper module holder 7 in the backhaul mechanism 6 and be fixed on slider guide 8 on the die shoe 2, and the surface that is in contact with one another of upper module holder 7 and slider guide 8 has the angle of inclination of matching, and upper module 3 is fixed on the upper module holder 7.

Product is carried out in the process of flange at the flanging die that utilizes the utility model to provide, along with patrix descends gradually, upper module and upper module holder be motion vertically downward vertically together.Meanwhile, under the effect on the inclined-plane of upper module holder and slider guide, upper module and upper module holder move along the direction on inclined-plane together, and backhaul this moment mechanism along continuous straight runs is compressed.That is to say, upper module move downward product carried out flange in, a lateral movement that does not also turn down along bevel direction towards product is to apply lateral thrust to product.When patrix moved downward bottom of stroke, upper module not only can be real at the vertical direction pier like this, and can be real at the side direction pier, therefore can guarantee the molding effect of flange, thereby solve the resilience problem that occurs in the product turn-up process effectively.And owing to saved the process of the moulding angle of mould being carried out repeatedly reconditioning, therefore shortened the manufacturing cycle of mould, improved production efficiency, reduced manufacturing cost.

Description of drawings

Fig. 1 utilizes prior art to finish the comparison structure schematic diagram of the product of product after the moulding and required formation;

The flanging die that Fig. 2 provides for the utility model is in the structural representation of state before the work;

Fig. 3 is that A among Fig. 2 is to partial schematic diagram;

The flanging die that Fig. 4 provides for the utility model is in the structural representation of work bottom dead centre state.

The reference numerals explanation:

1 upper bolster, 2 die shoes, 3 upper modules, 4 lower modules, 5 binder blocks,

6 backhaul mechanisms, 7 upper module holders, 8 slider guides, 9 guide plates, 10 products.

The specific embodiment

Below, in conjunction with the accompanying drawings the utility model is described in detail.

At first, " the fixing " that in whole specification of the present utility model and claims, occurs, under situation about not being specifically noted, meaning all can be by various known means, as can connect by screw, mode such as pin connection, riveted joint, bonding, welding realizes, under the preferable case, connect by screw and to realize.

As shown in Figure 2, the flanging die that the utility model provides comprises upper bolster 1, die shoe 2, upper module 3, lower module 4 and binder block 5, lower module 4 is fixed on the die shoe 2, binder block 5 is assemblied on the upper bolster 1, wherein, this flanging die also comprises the backhaul mechanism 6 that is fixed on the upper bolster 1, be fixed on the upper module holder 7 in the backhaul mechanism 6 and be fixed on slider guide 8 on the die shoe 2, and the surface that is in contact with one another of upper module holder 7 and slider guide 8 has the angle of inclination of matching, and upper module 3 is fixed on the upper module holder 7.

The shape of described upper module 3, lower module 4 and binder block 5 can be decided according to the actual needs, and its size also can change according to the variation of mould and product size.Wherein, binder block 5 can be assemblied on the upper bolster 1 by variety of way well known in the art, under the preferable case, is connected by material returned screw or side pin between binder block 5 and the upper bolster 1, and should guarantees the impulse stroke of binder block according to actual conditions.Binder block 5 moves up and down with patrix, is used to push down product, to prevent product shift position in process.

Described backhaul mechanism 6 can be the various elastic mechanisms that can realize backhaul well known in the art, as spring, elastomer block etc., preferably, described backhaul mechanism 6 is the retracting spring component, this retracting spring component is the standard component that is available commercially, and its structure is conventionally known to one of skill in the art.When patrix moved downward, backhaul mechanism 6 was owing to the effect on the inclined-plane of upper module holder 7 and slider guide 8 is compressed.When patrix moved upward, backhaul mechanism 6 recovered elastic deformation and gets back to initial position.

The geomery of described upper module holder 7 and slider guide 8 can be decided according to the actual requirements, but the surface that is in contact with one another of upper module holder 7 and slider guide 8 should guarantee to have the angle of inclination of matching, and is used to play the effect of wedge thruster.Described angle of inclination can be decided according to the actual requirements usually, as long as between the sidewall of upper module and lower module the 2-3 mm clearance is arranged can guarantee that flange begins the time.Under the preferable case, described angle of inclination is between the 1-10 degree, and more preferably, described angle of inclination is 5 degree.

Under the preferable case, as shown in Figure 3, described flanging die also comprises guide plate 9, and guide plate 9 and is fixed on the upper bolster 1 between upper bolster 1 and upper module holder 7.Because in the mold work process, upper module holder 7 can move relative to upper bolster 1, therefore in order to reduce in upper module holder 7 motion processes and the frictional force between the upper bolster 1, can be according to actual needs on any surface that upper module holder 7 contacts with upper bolster 1, as horizontal surface and/or vertical lip-deep diverse location at least one guide plate 9 is set, moves relative to upper bolster 1 to help upper module holder 7.

Below, the course of work of the flanging die that the utility model is provided describes.

Fig. 2 represents that flanging die is in the structural representation of the preceding state of work, and at this moment, upper die and lower die are separated from each other.Along with upper bolster descends gradually, upper module holder and upper module be motion vertically downward vertically together, makes the upper module holder contact gradually with slider guide.Because the contacted surface of upper module holder and slider guide is the inclined-plane, so the upper module holder vertically also moving along the direction on inclined-plane because of the effect on inclined-plane in the motion, and backhaul this moment mechanism is stressed and be compressed.Along with the decline of patrix, be fixed on the upper module holder upper module move downward product 10 carried out flange in, also along the direction on inclined-plane towards the lateral movement that product 10 does not turn down, apply lateral thrust with flange to product.Like this, as shown in Figure 4, when patrix moves downward bottom of stroke, backhaul mechanism is compressed to end-state, this moment, upper module not only can be real at the vertical direction pier, and can be real at the side direction pier, therefore can guarantee the molding effect of flange, thereby solve the resilience problem that occurs in the product turn-up process effectively.After this, along with patrix moves upward, upper module holder and upper module move upward together, and recover to be returned to original state under the elastically-deformable effect in backhaul mechanism.

In addition, according to actual conditions, for example need two or more parts on the product are carried out flange simultaneously, backhaul mechanism, upper module holder and the slider guide etc. of respective amount then can be set on the relevant position of mould, carry out flange simultaneously with different piece, and guarantee that simultaneously these parts rebound phenomenon can not occur product.For example, the embodiment shown in Fig. 2 and 4 is exactly the situation that need carry out flange to two symmetric parts of product simultaneously, comprises this moment such as the symmetrically arranged backhaul of two covers mechanism, upper module holder, upper module and slider guide etc. in the mould.

Claims

1. flanging die, this flanging die comprises upper bolster (1), die shoe (2), upper module (3), lower module (4) and binder block (5), lower module (4) is fixed on the die shoe (2), binder block (5) is assemblied on the upper bolster (1), it is characterized in that, this flanging die also comprises the backhaul mechanism (6) that is fixed on the upper bolster (1), be fixed on the upper module holder (7) in the backhaul mechanism (6) and be fixed on slider guide (8) on the die shoe (2), and the surface that is in contact with one another of upper module holder (7) and slider guide (8) has the angle of inclination of matching, and upper module (3) is fixed on the upper module holder (7).

2. flanging die according to claim 1, wherein, described backhaul mechanism (6) is the retracting spring component.

3. flanging die according to claim 1, wherein, the angle of inclination that is in contact with one another the surface of described upper module holder (7) and slider guide (8) is between the 1-10 degree.

4. flanging die according to claim 1, wherein, described flanging die also comprises guide plate (9), guide plate (9) is positioned between upper bolster (1) and the upper module holder (7), and is fixed on the upper bolster (1).