CN203091543U

CN203091543U - Deep-drawing and coining integrated die capable of carrying out bidirectional side pressing

Info

Publication number: CN203091543U
Application number: CN 201320092318
Authority: CN
Inventors: 管晔; 韩全峰
Original assignee: WUXI ZHENHUA AUTO AUXILIARY PARTS CO Ltd
Current assignee: Wuxi Zhenhua Auto Parts Co ltd
Priority date: 2013-02-28
Filing date: 2013-02-28
Publication date: 2013-07-31
Anticipated expiration: 2023-02-28

Abstract

The utility model relates to a deep-drawing and coining integrated die capable of carrying out bidirectional side pressing. The deep-drawing and coining integrated die comprises an upper die and a lower die, and is characterized in that the upper die comprises an upper die plate, an upper die base plate is fixed on the upper die plate, and an upper die material pressing plate is arranged on the lower surface of the upper die base plate. An upper die material pressing spring is arranged between the upper die material pressing plate and the upper die plate. A convex die is arranged on the lower surface of the upper die plate, and the lower surface of the convex die is a workpiece forming surface. The lower die comprises a lower die plate. A first lower die base plate and a second lower die base plate are fixed on the lower die plate. A concave die is arranged on the upper surface of the second lower die base plate, and a lower die material pressing spring is arranged between the first lower die base plate and the concave die. The upper surface of the concave die is the workpiece forming surface. A lifter pin is arranged in the middle of the concave die, and a lifter spring is arranged between the lifter pin and the lower die plate. The deep-drawing and coining integrated die improves forming properties of materials, can achieve one-time forming of workpieces, and achieves automatic disengaging of the workpiece, and is high in accuracy of the workpieces.

Description

The pull and stretch of two-way flanging and impression integrated mould

Technical field

The utility model relates to a kind of pull and stretch and impresses mould in one, especially a kind of pull and stretch of two-way flanging and impression integrated mould.

Background technology

For the workpiece that needs pull and stretch and impression generally all is earlier sheet metal deep drawing to be become round barrel shape (as shown in Figure 1), carries out part impression (as shown in Figure 2) then in the centre of drum, adopts secondary forming, finishes moulding process by two molds.

Above-mentioned manufacturing process has increased processing cost owing to adopt secondary operations, can cause the variation of workpiece size behind the pull and stretch in the middle of the drum during local impression, and impression appears in bottom easily, and the difficult quality of workpiece is guaranteed.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of pull and stretch and impression integrated mould of two-way flanging is provided, and only needs a punching press just can realize the forming process of the pull and stretch and the middle pit of workpiece, and can realize automatic discharging.

According to the technical scheme that the utility model provides, the pull and stretch of described two-way flanging and impression integrated mould comprise upper die and lower die; It is characterized in that: described patrix comprises cope match-plate pattern, on cope match-plate pattern,, the patrix holding pad is set, the patrix guide pillar is set on upper die plate at the lower surface of upper die plate by the fixing upper die plate of patrix caging bolt, on the patrix holding pad upper die guide sleeve is set, the patrix guide pillar is arranged in the upper die guide sleeve; Between described patrix holding pad and cope match-plate pattern, be provided with the molding compound spring; Lower surface at described cope match-plate pattern is provided with punch, and punch passes upper die plate and patrix holding pad, and the lower surface of punch is the forming surface of workpiece; Described counterdie comprises lower bolster, on lower bolster, fix the first counterdie backing plate and the second counterdie backing plate successively by the counterdie caging bolt, upper surface at the second counterdie backing plate is provided with die, on the second counterdie backing plate, the counterdie guide pillar is set, the counterdie guide pin bushing is set on die, and the counterdie guide pillar is arranged in the counterdie guide pin bushing; Between described first counterdie backing plate and die, be provided with molding compound spring down; The upper surface of described die is the forming surface of workpiece, at the middle part of die jigger pin is set, and the liftout spring is set between jigger pin and lower bolster.

The lower surface of described cope match-plate pattern is provided with the upper limit post, is provided with the lower limit post at the upper surface of lower bolster, and upper limit post and lower limit post match.

Lower surface at described cope match-plate pattern is provided with the guide pillar cushion block, is provided with the independent guide pillar that matches with the guide pillar cushion block at the upper surface of lower bolster.

The utlity model has following advantage: (1) has improved the forming property of material; (2) can realize that once-forming goes out workpiece; (3) the realization workpiece is deviate from automatically; (4) workpiece accuracy height.

Description of drawings

Fig. 1 carries out schematic diagram behind the pull and stretch for workpiece in the prior art.

Fig. 2 is for carrying out schematic diagram behind the local impression to workpiece behind the pull and stretch in the prior art.

Fig. 3 is an axonometric drawing of the present utility model.

Fig. 4 is a vertical section schematic diagram of the present utility model.

Fig. 5 is the plane of mould described in the utility model.

Fig. 6 is the plane of counterdie described in the utility model.

Fig. 7 is the B-B cutaway view of Fig. 5.

The specific embodiment

The utility model is described in further detail below in conjunction with concrete accompanying drawing.

As Fig. 3～shown in Figure 7: as described in the pull and stretch and the impression integrated mould of two-way flanging comprise independent guide pillar 1, patrix guide pillar 2-1, counterdie guide pillar 2-2, upper die guide sleeve 3-1, counterdie guide pin bushing 3-2, patrix caging bolt 4-1, counterdie caging bolt 4-2, last molding compound spring 5-1, following molding compound spring 5-2, liftout spring 6, lower bolster 7, the first counterdie backing plate 8, the second counterdie backing plate 9, die 10, cope match-plate pattern 11, upper die plate 12, patrix holding pad 13, punch 14, jigger pin 15, die shank 16, upper limit post 17-1, lower limit post 17-2, guide pillar cushion block 18, workpiece 19 etc.

As shown in Figure 3, Figure 4, the utility model comprises upper die and lower die;

As Fig. 4, Fig. 5, shown in Figure 7, described patrix comprises cope match-plate pattern 11, on cope match-plate pattern 11, pass through fixedly upper die plate 12 of patrix caging bolt 4-1, lower surface at upper die plate 12 is provided with patrix holding pad 13, patrix guide pillar 2-1 is set on upper die plate 12, upper die guide sleeve 3-1 is set on patrix holding pad 13, and patrix guide pillar 2-1 is arranged among the upper die guide sleeve 3-1; As shown in Figure 7, between described patrix holding pad 13 and cope match-plate pattern 11, be provided with molding compound spring 5-1; Lower surface at described cope match-plate pattern 11 is provided with punch 14, and punch 14 passes upper die plate 12 and patrix holding pad 13, and the lower surface of punch 14 is the forming surface of workpiece 19;

As Fig. 4, Fig. 6, shown in Figure 7, described counterdie comprises lower bolster 7, on lower bolster 7, fix the first counterdie backing plate 8 and the second counterdie backing plate 9 successively by counterdie caging bolt 4-2, upper surface at the second counterdie backing plate 9 is provided with die 10, counterdie guide pillar 2-2 is set on the second counterdie backing plate 9, counterdie guide pin bushing 3-2 is set on die 10, and counterdie guide pillar 2-2 is arranged among the counterdie guide pin bushing 3-2; As shown in Figure 7, between described first counterdie backing plate 8 and die 10, be provided with molding compound spring 5-2 down; The upper surface of described die 10 is the forming surface of workpiece 19, at the middle part of die 10 jigger pin 15 is set, and between jigger pin 15 and lower bolster 7 liftout spring 6 is set;

As shown in Figure 3, Figure 4, the lower surface of described cope match-plate pattern 11 is provided with upper limit post 17-1, is provided with lower limit post 17-2 at the upper surface of lower bolster 7, and upper limit post 17-1 and lower limit post 17-2 cooperate, in order to limit the position of upper die and lower die;

As shown in Figure 3, Figure 4, be provided with guide pillar cushion block 18, be provided with the independent guide pillar 1 that matches with guide pillar cushion block 18 at the upper surface of lower bolster 7 at the lower surface of described cope match-plate pattern 11;

As Fig. 3, Fig. 4, shown in Figure 7, die shank 16 is set at the upper surface of described cope match-plate pattern 11.

The course of work of the present utility model: plate blank is placed the upper surface of die 10, and when patrix was descending, patrix holding pad 13 was at first pushed down workpiece 19, punch 14 and die 10 effects, workpiece 19 pull and stretch are become drum shape, and when pull and stretch, workpiece 19 heads in die 10 descending by jigger pin 15; Punch 14 continues descending, and binder spring 5 further compresses with liftout spring 6, and pressure-plate-force strengthens, boss in the middle of the punch 14 is pressed into workpiece 19, and the pit in the middle of the extrusion workpiece 19 is when punch 14 goes downwards to bottom dead centre, jigger pin 15 contacts with counterdie backing plate 8, jigger pin 15 smoothing workpiece 19 baseplanes;

When punch 14 was up, jigger pin 15 ejected die 10 with workpiece 19, and patrix holding pad 13 pushes workpiece from punch 14, thereby finishes the shaping of workpiece automatically.

In the course of the work, patrix holding pad 13 and jigger pin 15 be workpiece pressing 19 all the time, has realized the two-way flanging of mould.

The utlity model has following advantage: (1) is in forming process, all the time compress material by patrix holding pad (by the binder spring), jigger pin (by the liftout spring), respectively from top and below material is formed pressure-pad-force, improved the plasticity of material, improved the forming property of material; (2) can realize that once-forming goes out workpiece; Generally the shaping of such workpiece needed for two steps, and first pull and stretch becomes drum shape, reshaped drum bottom pit; The utility model is by the interaction of punch, die and jigger pin, and the workpiece that once just is shaped has improved work efficiency; (3) workpiece is deviate from automatically: when patrix was up, jigger pin ejected die with workpiece, and the patrix holding pad pushes workpiece from punch, finished the shaping of workpiece automatically; (4) workpiece accuracy height:, do not have the secondary position error, good concentricity because pit and pull and stretch are finished synchronously; The bottom that is shaped is smooth, does not have impression, and presentation quality is good; Thoroughly solved because pit is shaped and influenced the problem of drawing part dimensional accuracy.

Claims

1. the pull and stretch of a two-way flanging and impression integrated mould comprise upper die and lower die; It is characterized in that: described patrix comprises cope match-plate pattern (11), upward pass through fixedly upper die plate (12) of patrix caging bolt (4-1) at cope match-plate pattern (11), lower surface at upper die plate (12) is provided with patrix holding pad (13), patrix guide pillar (2-1) is set on upper die plate (12), upper die guide sleeve (3-1) is set on patrix holding pad (13), and patrix guide pillar (2-1) is arranged in the upper die guide sleeve (3-1); Between described patrix holding pad (13) and cope match-plate pattern (11), be provided with molding compound spring (5-1); Lower surface at described cope match-plate pattern (11) is provided with punch (14), and punch (14) passes upper die plate (12) and patrix holding pad (13), and the lower surface of punch (14) is the forming surface of workpiece (19); Described counterdie comprises lower bolster (7), upward fix the first counterdie backing plate (8) and the second counterdie backing plate (9) successively at lower bolster (7) by counterdie caging bolt (4-2), upper surface at the second counterdie backing plate (9) is provided with die (10), on the second counterdie backing plate (9), counterdie guide pillar (2-2) is set, counterdie guide pin bushing (3-2) is set on die (10), and counterdie guide pillar (2-2) is arranged in the counterdie guide pin bushing (3-2); Between described first counterdie backing plate (8) and die (10), be provided with molding compound spring (5-2) down; The upper surface of described die (10) is the forming surface of workpiece, at the middle part of die (10) jigger pin (15) is set, and between jigger pin (15) and lower bolster (7) liftout spring (6) is set.

The pull and stretch of two-way flanging as claimed in claim 1 and the impression integrated mould, it is characterized in that: the lower surface of described cope match-plate pattern (11) is provided with upper limit post (17-1), upper surface at lower bolster (7) is provided with lower limit post (17-2), and upper limit post (17-1) and lower limit post (17-2) match.

The pull and stretch of two-way flanging as claimed in claim 1 and the impression integrated mould, it is characterized in that: the lower surface at described cope match-plate pattern (11) is provided with guide pillar cushion block (18), is provided with the independent guide pillar (1) that matches with guide pillar cushion block (18) at the upper surface of lower bolster (7).