CN201455116U

CN201455116U - Deep-drawing shaping die

Info

Publication number: CN201455116U
Application number: CN 200920127854
Authority: CN
Inventors: 杨平
Original assignee: Chongqing College of Electronic Engineering
Current assignee: Chongqing College of Electronic Engineering
Priority date: 2009-06-30
Filing date: 2009-06-30
Publication date: 2010-05-12
Anticipated expiration: 2019-06-30

Abstract

The utility model discloses a deep-drawing shaping die which comprises a concave die, a convex die and a die frame, wherein the concave die, the convex die and the die frame are assembly to form a structure that the concave die and the convex die can move relatively, a sliding hole, a sliding block and an elastic component I are arranged in the middle portion of the concave die, the elastic component I in the free state enables a pushing component surface of the sliding block to extent out of a concave die working surface, a ring-shaped sliding block and an elastic component II are arranged around the convex die, the elastic component II in the free state enables a supporting component surface to extent out of a convex die working surface, the sliding block and a ring-shaped sliding block are firstly stressed in the punching process, the elastic component I and the elastic component II are compressed to generate pushing force to compress the middle portion and the edges of blank materials, then, the blank materials can be pressed and shaped, the elastic component I and the elastic component II rebound to push workpieces to remove dies automatically after shaping, since the sliding block and the ring-shaped sliding block compress the workpieces in the shaping process of the workpieces, the deep-drawing shaping die plays a role of fixing the workpieces and preventing edges from crisping, the workpieces can be automatically separated from the dies after shaping, and the workpiece manufacture qualified rate and the production efficiency can be effectively improved.

Description

The drawing and forming mould

Technical field

The utility model relates to a kind of drawing and forming mould.

Background technology

Punch process has numerous advantages such as production efficiency height, easy to operate and material consumption are few, and the diel requisite technological equipment that is punching production, be technology-intensive product, the quality of stamping parts, production efficiency and production cost etc. all have direct relation with mould.

In the process of the punching press drawing and forming of thin plate, owing to the plate externally applied forces is made the stress state that produces complexity in the plate, adding thickness of slab compares very little with the size of other two directions, so thickness direction instability, when the plate internal pressure stress makes the thickness of slab direction reach the unstability limit, plate can not continue to keep steady-state deformation again, produce phenomenon wrinkling even that tear, simultaneously, blank instability when moulding also makes the qualification rate of product descend, adopting flange fixing installation is a kind of method that solves wrinkling problem in the punching production, common flange fixing installation complex structure, pressure-pad-force skewness.

At above-mentioned deficiency, need the flange fixing installation of mould be improved control constant product quality, the qualification rate and the production efficiency of raising production.

The utility model content

In view of this, utility model provides a kind of drawing and forming mould, and this mould adopts continuous face workpiece pressing, and hold down gag also plays the effect that makes the workpiece automatic demoulding simultaneously, can effectively guarantee the stability of workpiece in the drawing and forming process, improve the qualification rate and the production efficiency of production.

Drawing and forming mould of the present utility model comprises die, punch and mould bases, mould bases is by die socket, convex mould base, die socket and convex mould base that the guide pillars and bushes assembling forms can be along the mechanisms of guide pillar direction relative motion, described die middle part is provided with slide opening, slide block and elastic component I, the end of elastic component I is near slide opening root or die socket, the other end withstands slide block, forming slide block can be along the structure of slide opening axially-movable, the elastic component I of free state makes the push piece face of slide block stretch out the working face of die, described punch periphery is provided with ring slider and ring elastic parts II, elastic component II one end is near convex mould base, the other end withstands ring slider, form the structure that ring slider can move along punch side crest line direction, the elastic component II of free state makes the head part face of ring slider stretch out the working face of punch.

Further, described slide opening is provided with limiting stand by the working face place of die, and the elastic component I of free state makes the confined planes of slide block cooperate with limiting stand;

Further, described ring slider is provided with the head part bar, the head part bar along the ring axially pass convex mould base and elastic component II is fixed on the ring slider;

Further, the suitable shape of the working face of the push piece face of described slide block and punch;

Further, the suitable shape of the working face of the head part face of described ring slider and die;

Further, described elastic component I is rubber blanket or spring;

Further, described elastic component II is ring-shaped rubber pad or spring.

The beneficial effect of utility model: the drawing and forming mould of utility model, comprise die, punch and mould bases, mould bases comprises die socket and convex mould base, but the die that is fixed on the die socket forms the relative motion structure with the punch that is fixed on the convex mould base, the die middle part is provided with slide opening, establish slide block and elastic component I in the slide opening, the elastic component I of free state makes the push piece face of slide block stretch out the die working face, the punch periphery is provided with ring slider and elastic component II, the elastic component II of free state makes the head part face of ring slider stretch out the punch working face, in the punching course, slide block and ring slider are at first stressed, elastic component I and elastic component II are compressed generation thrust and compress blank middle part and edge, the stressed moulding of blank then, after the moulding, elastic component I and elastic component II resilience promote the workpiece automatic demoulding, because slide block and ring slider have compressed workpiece in the process of Workpiece shaping, played the fixing of workpiece and prevented the effect that its edge is wrinkling, after moulding, can make the workpiece automatic demoulding again, effectively raise the passing rate of processing and the production efficiency of workpiece.

Description of drawings

Below in conjunction with drawings and Examples utility model is further described.

Fig. 1 is the structural representation of utility model;

Fig. 2 is the partial enlarged drawing of area I among Fig. 1;

The specific embodiment

Fig. 1 is the structural representation of utility model, Fig. 2 is the partial enlarged drawing of area I among Fig. 1, as shown in the figure: the drawing and forming mould of present embodiment, comprise die 1, punch 2 and diagonal angle guide colume type slide-and-guide mould bases, die 1 adopts finger setting with punch 2 and is connected on the die socket 3 and convex mould base 4 that is separately fixed at mould bases by bolt, the guide pillar position of diagonal angle guide colume type slide-and-guide mould bases distributes along the diagonal of rectangular slab, the line at its guide pillar center is by the die shank center, stress balance, its available both direction feeding simultaneously, easy to operate, described die middle part is provided with slide opening 5, slide opening 5 is a through hole, slide block 6 is set in the

slide opening

5,5 one-tenth matched in clearance of slide block 6 and slide opening, so that they can be along slide opening 5 axially-movables, slide block 6 axially is provided with elastic component I 7 along slide opening 5, elastic component I 7 is near die socket 3, can produce compression immediately so that it is stressed, the elastic component I 7 of free state makes the push piece face 8 of slide block 6 stretch out the working face of die 1, so that push piece face 8 in forming process with Work-sheet pressing, increase workpiece stability, simultaneously after moulding, workpiece is pushed away die 1 by elastic component I 7 resiliences, regulate the overhang of push piece face 8 by the method that increases pad and can control its thrust increase the workpiece middle part, but push piece face 8 did not stretch out the working face of die 1 when palpus assurance elastic component I 7 reached maximum compressibility, described punch 2 peripheries are provided with can be along the ring slider 9 of punch 2 flank movements, ring slider 9 axially is provided with elastic component II 10 along ring, elastic component II 10 is near convex mould base 4, can produce compression immediately so that it is stressed, the elastic component II 10 of free state makes the head part face 11 of ring slider 9 stretch out the working face of punch 2, so that head part face 11 compresses the edge of work in forming process, prevent wrinkling and the increase workpiece stability, after moulding, workpiece is pushed up from punch 2 simultaneously by elastic component II 10 resiliences, the overhang of regulating head part face 11 by the method that increases pad can be controlled it thrust that edge of work applies is increased, but head part face 11 does not stretch out the working face of punch 2 must guarantee that elastic component II 10 reaches maximum compressibility the time.

In the present embodiment, described slide opening 5 is provided with limiting stand 12 by the working face place of die 1, and when elastic component I 7 was in free state, the confined planes 13 of slide block 6 cooperated with limiting stand 12, and slide block 6 drops when preventing that die 1 from separating with punch 2.

In the present embodiment, described ring slider 9 is provided with head part bar 14, head part bar 14 along ring axially pass convex mould base 4 and elastic component II 10 is fixed on the ring slider 9 so that when ring slider 9 breaks down not resilience, also can make the workpiece demoulding by head part bar 14.

In the present embodiment, push piece face of described slide block 68 and the suitable shape of the working face of punch 2, the head part face 11 of ring slider 9 and the suitable shape of the working face of die 1 help the even distribution of the thrust that workpiece is subjected to, and avoid producing impression.

In the present embodiment, described elastic component I 7 and elastic component II 10 are rubber blanket, are easy to obtain, and be easy to process, with low cost.

The utility model in use, when slide block 6 and ring slider 9 have played the workpiece drawing and forming by elastic component I 7 and elastic component II10 compress with moulding after take off material effect, effectively prevented wrinklingly, improved product percent of pass and production efficiency.

Explanation is at last, above embodiment is only unrestricted in order to the technical scheme of explanation utility model, although utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical scheme of utility model, and not breaking away from the aim and the scope of utility model technical scheme, it all should be encompassed in the middle of the claim scope of utility model.

Claims

1. drawing and forming mould, comprise die (1), punch (2) and mould bases, mould bases is by die socket (3), convex mould base (4), die socket (3) and convex mould base (4) that the guide pillars and bushes assembling forms can be along the mechanisms of guide pillar direction relative motion, it is characterized in that: described die (1) middle part is provided with slide opening (5), slide block (6) and elastic component I (7), the end of elastic component I (7) is near slide opening (5) bottom or die socket (3), the other end withstands slide block (6), forming slide block (6) can be along the structure of slide opening (5) axially-movable, the elastic component I (7) of free state makes the push piece face (8) of slide block (6) stretch out the working face of die (1), described punch (2) periphery is provided with ring slider (9) and ring elastic parts II (10), elastic component II (10) one ends are near convex mould base (4), the other end withstands ring slider (9), forming ring slider (9) can be along the structure of punch (2) side crest line direction motion, and the elastic component II (10) of free state makes the head part face (11) of ring slider (9) stretch out the working face of punch (2).

2. drawing and forming mould according to claim 1 is characterized in that: described slide opening (5) is provided with limiting stand (12) by the working face place of die (1), and the elastic component I (7) of free state makes the confined planes (13) of slide block (6) cooperate with limiting stand (12).

3. drawing and forming mould according to claim 1 is characterized in that: described ring slider (9) is provided with head part bar (14), head part bar (14) along the ring axially pass convex mould base (4) and elastic component II (10) is fixed on the ring slider (9).

4. drawing and forming mould according to claim 1 is characterized in that: the push piece face (8) of described slide block (6) and the suitable shape of the working face of punch (2).

5. drawing and forming mould according to claim 1 is characterized in that: the head part face (11) of described ring slider (9) and the suitable shape of the working face of die (1).

6. drawing and forming mould according to claim 1 is characterized in that: described elastic component I (7) is rubber blanket or spring.

7. drawing and forming mould according to claim 1 is characterized in that: described elastic component II (10) is ring-shaped rubber pad or spring.