CN104889260A

CN104889260A - Punching die of water overflowing ring

Info

Publication number: CN104889260A
Application number: CN201510356273.4A
Authority: CN
Inventors: 白国娟; 王成林; 徐璐辉; 刘斌
Original assignee: Shanxi Yangmei Chemical Industry Machinery Group Co Ltd
Current assignee: Shanxi Yangmei Chemical Industry Machinery Group Co Ltd
Priority date: 2015-06-25
Filing date: 2015-06-25
Publication date: 2015-09-09

Abstract

The invention relates to a standard water overflowing ring punching die, specifically relates to a punching die of a water overflowing ring, and aims at solving the defects of the existing water overflowing ring punching process, and in particular the problem of unreasonable structure of the punching die. The punching die of the water overflowing ring comprises an upper die assembly and a lower die assembly, wherein the lower die assembly comprises a lower die plate, a lower die cushion block, an annular concave die I and a concave die II, wherein an annular concave cavity is formed between the outer circumferential surface of the concave die II and the inner wall of the annular concave die I; the upper die assembly comprises an upper die plate, an upper die cushion block, an annular convex die and an annular side pressing ring, wherein the upper die cushion block is fixed on the bottom surface of the upper die plate; the annular convex die is fixed on the bottom surface of the upper die cushion block. According to the punching die of the water overflowing ring, the deep pulling punching process and the side overturning punching process are combined; the traditional complex production process is simplified; meanwhile, the defects of the punching process are avoided; the water overturning ring can be effectively and reliably punched and formed.

Description

Spilling water ring stamping die

Technical field

The present invention relates to the diel of standard component spilling water ring, particularly for realizing the shaping dies of parts spilling water ring on CFBB drum internals cyclone separator, being specially spilling water ring stamping die.

Background technology

Revolve the in-built part of cylindrical shell that point cyclone separator arrangement is mainly used in CFBB, the development need that high volume applications and generalization along with cyclone separator are produced, quality and the processing technology of the parts spilling water ring on it seem important all the more.And existing spilling water ring Sheet Metal Forming Technology not only complicated and be shaped after spilling water ring easily there is defect, particularly its punching die structure is unreasonable, often occur in spilling water loop forming process embracing mould, cracking phenomena, cause spilling water ring in enormous quantities repair welding, waste man-hour, and affect product quality, incur loss through delay the production cycle, so it is very necessary to solve spilling water ring compacting problem.

Summary of the invention

The present invention solves the existing spilling water ring Sheet Metal Forming Technology existing defects particularly irrational problem of punching die structure, provides a kind of spilling water ring stamping die.This mould simplifies in the past complicated production technology, avoids the defect existed in Sheet Metal Forming Technology simultaneously.

The present invention adopts following technical scheme to realize: spilling water ring stamping die, be made up of upper mould assembly and lower mould assembly, described lower mould assembly comprises lower bolster, lower bolster is fixed with counterdie cushion block, lower bolster is vertically fixed with the guide pillar that two are positioned at counterdie cushion block both sides, counterdie cushion block is fixed with ring-type die I, ring-type die I is built-in with die II, annular cavity is formed between the external peripheral surface (or claiming inner rotary face) of die II and the inwall of ring-type die I, vertical cooperation across lower bolster and counterdie cushion block processes counterbore, indulge simultaneously and process the spring putting hole concentric with counterbore across counterdie cushion block and die II, and the screwed hole concentric with counterbore is had on die II, unloading bolt II is through lower bolster and counterdie backing plate, putting spring is screwed in the screwed hole of die II, vertical flexible on unloading bolt II across the spring in the spring putting hole of counterdie cushion block and die II, die II is made to play discharging effect, upper mould assembly comprises cope match-plate pattern, patrix cushion block, ring-type punch and ring-type blank holder, patrix cushion block is fixed on the bottom surface of cope match-plate pattern, ring-type punch is fixed on the bottom surface of patrix cushion block, and the vertical sectional shape of ring-type punch matches with the vertical sectional shape of cavity, the plane perpendicular of cope match-plate pattern is fixed with two guide pin bushings coordinated with guide pillar, indulge and step up template and patrix cushion block cooperation processing counterbore, on patrix cushion block and ring-type blank holder, process the spring putting hole concentric with counterbore and screwed hole respectively simultaneously, unloading bolt I is through cope match-plate pattern, patrix cushion block, putting spring is screwed in the screwed hole of ring-type blank holder, spring in spring putting hole is flexible on unloading bolt I, flanging effect is realized by the flexible ring-type blank holder that makes of spring.During use, this stamping die and hydraulic press with the use of, cope match-plate pattern and hydraulic press upper table are connected and fixed.When upper mould assembly and lower mould assembly do not have matched moulds, blanking annulus (as shown in Figure 3) is placed on ring-type die I and die II, start hydraulic press, hydraulic press drives upper mould assembly to move downward, matched moulds is started along with guide pillar enters guide pin bushing, ring-type punch progresses into cavity and is suppressed downwards by die II, start to carry out flange to blanking annulus, ring-type blank holder pushes down the outer rim of blanking annulus under the action of the spring simultaneously, along with moving down gradually of ring-type punch, blanking annulus in cavity by drawing and forming, die sinking after ring-type punch is pressed into cavity completely.Along with die sinking die II is upspring under the action of the spring, taken out from die II by the spilling water ring (as shown in Figure 4) after shaping, spilling water ring forming completes.

The present invention gives the fixture for forming of the once-forming design of spilling water ring, its reasonable in design, novelty, uniqueness, drawing and flange two kinds of Sheet Metal Forming Technologies combine by this Design of Dies, simplify in the past complicated production technology, avoid the defect existed in Sheet Metal Forming Technology simultaneously, the stamping of spilling water ring can be realized effectively, reliably, ensure that quality and the precision of part, improve production efficiency, achieve the general production of standard component.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the structural representation of spilling water ring before non-punching press;

Fig. 4 is the structural representation of spilling water ring after punch forming.

In figure: 1-lower bolster, 2-counterdie cushion block, 3-ring-type die I, 4-ring-type blank holder, 5-spring, 6-patrix cushion block, 7-guide pin bushing, 8-guide pillar, 9-cope match-plate pattern, 10-unloading bolt I, 11-screw, 12-straight pin, 13-ring-type punch, 14-die II, 15-lifting bolt, 16-unloading bolt II.

Detailed description of the invention

Spilling water ring stamping die, be made up of upper mould assembly and lower mould assembly, described lower mould assembly comprises lower bolster 1, lower bolster 1 is fixed with counterdie cushion block 2, lower bolster 1 is vertically fixed with the guide pillar 8 that two are positioned at counterdie cushion block 2 both sides, counterdie cushion block 2 is fixed with ring-type die I 3, ring-type die I 3 is built-in with die II 14, annular cavity is formed between the external peripheral surface (or claiming inner rotary face) of die II 14 and the inwall of ring-type die I 3, vertical cooperation across lower bolster 1 and counterdie cushion block 2 processes counterbore, indulge simultaneously and process the spring putting hole concentric with counterbore across counterdie cushion block 2 and die II 14, and the screwed hole concentric with counterbore is had on die II, unloading bolt II 16 is through lower bolster 1 and counterdie backing plate 2, putting spring 5 is screwed in the screwed hole of die II 14, vertical flexible on unloading bolt II 16 across the spring 5 in the spring putting hole of counterdie cushion block 2 and die II 14, die II 14 is made to play discharging effect, upper mould assembly comprises cope match-plate pattern 9, patrix cushion block 6, ring-type punch 13 and ring-type blank holder 4, patrix cushion block 6 is fixed on the bottom surface of cope match-plate pattern 9, ring-type punch 13 is fixed on the bottom surface of patrix cushion block 6, and the vertical sectional shape of ring-type punch 13 matches with the vertical sectional shape of cavity, the plane perpendicular of cope match-plate pattern 9 is fixed with two guide pin bushings 7 coordinated with guide pillar 8, indulge and step up template 9 and patrix cushion block 6 cooperation processing counterbore, on patrix cushion block 6 and ring-type blank holder 4, process the spring putting hole concentric with counterbore and screwed hole respectively simultaneously, unloading bolt I 10 is through cope match-plate pattern 9, patrix cushion block 6, putting spring 5 is screwed in ring-type blank holder 4 screwed hole, spring 5 in spring putting hole is flexible on unloading bolt I 10, flanging effect is realized by the flexible ring-type blank holder 4 that makes of spring 5.During concrete enforcement, the inwall top of ring-type die I 3 is round-corner transition.At lower bolster 1 vertical bottom face direction processing bolt counterbore, counterdie cushion block 2 processes through hole, ring-type die I 3 machining screw blind hole, uses screw to realize the connection of lower bolster, counterdie cushion block and ring-type die I 3.Cope match-plate pattern 9 processes counterbore, patrix cushion block 6 machining screw blind hole, uses screw to realize the connection of cope match-plate pattern and patrix cushion block; In patrix cushion block intermediate annular deep gouge, process through hole, ring-type punch 13 machining screw blind hole, use screw 11 to realize the connection of patrix cushion block and ring-type punch.To note suppressing front lubrication when this mould uses, especially will on die II 14 coating lubricating oil, die surface is smooth, and roughness is little, reduce frictional resistance when material in flange and drawing process flows through ring-type die I fillet and flexural deformation power, be also conducive to the smooth demoulding of profiled member simultaneously.The elastic force of spring 5 is selected extremely important in the design of mould, and elastic force is too small, and stripping force is inadequate, easily make plunging embrace on die II, outer rim is squeezed in ring-type die I, and elastic force is excessive, then can increase required blanking pressure, affect the service life of mould and equipment.Those skilled in the art easily determine the elastic force of spring through limited number of time experiment, and this is conventional selection.

Claims

1. a spilling water ring stamping die, it is characterized in that being made up of upper mould assembly and lower mould assembly, described lower mould assembly comprises lower bolster (1), lower bolster (1) is fixed with counterdie cushion block (2), lower bolster (1) is vertically fixed with the guide pillar (8) that two are positioned at counterdie cushion block (2) both sides, counterdie cushion block (2) is fixed with ring-type die I (3), ring-type die I (3) is built-in with die II (14), annular cavity is formed between the external peripheral surface of die II (14) and the inwall of ring-type die I (3), vertical cooperation across lower bolster (1) and counterdie cushion block (2) processes counterbore, indulge simultaneously and process the spring putting hole concentric with counterbore across counterdie cushion block (1) and die II (14), and the screwed hole concentric with counterbore is had on die II, unloading bolt II (16) is through lower bolster (1) and counterdie backing plate (2), putting spring (5) is screwed in the screwed hole of die II (14), vertical to stretch unloading bolt II (16) is upper across the spring (5) in the spring putting hole of counterdie cushion block (2) and die II (14), die II (14) is made to play discharging effect, upper mould assembly comprises cope match-plate pattern (9), patrix cushion block (6), ring-type punch (13) and ring-type blank holder (4), patrix cushion block (6) is fixed on the bottom surface of cope match-plate pattern (9), ring-type punch (13) is fixed on the bottom surface of patrix cushion block (6), and the vertical sectional shape of ring-type punch (13) matches with the vertical sectional shape of cavity, the plane perpendicular of cope match-plate pattern (9) is fixed with two guide pin bushings (7) coordinated with guide pillar (8), indulge and step up template (9) and patrix cushion block (6) cooperation processing counterbore, on patrix cushion block (6) and ring-type blank holder (4), process the spring putting hole concentric with counterbore and screwed hole respectively simultaneously, unloading bolt I (10) is through cope match-plate pattern (9), patrix cushion block (6), putting spring (5) is screwed in ring-type blank holder (4) screwed hole, spring (5) in spring putting hole is upper flexible at unloading bolt I (10), flanging effect is realized by the flexible ring-type blank holder (4) that makes of spring (5), the inwall top of ring-type die I (3) is round-corner transition.