CN103599987A - Dedicated mold group for production of cone work-piece - Google Patents

Dedicated mold group for production of cone work-piece Download PDF

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Publication number
CN103599987A
CN103599987A CN201310463487.2A CN201310463487A CN103599987A CN 103599987 A CN103599987 A CN 103599987A CN 201310463487 A CN201310463487 A CN 201310463487A CN 103599987 A CN103599987 A CN 103599987A
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China
Prior art keywords
punch
die
screw
bolster
cope match
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CN201310463487.2A
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Chinese (zh)
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CN103599987B (en
Inventor
孙冬生
范久卫
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大连益联金属成型有限公司
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Priority to CN201310463487.2A priority Critical patent/CN103599987B/en
Publication of CN103599987A publication Critical patent/CN103599987A/en
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Publication of CN103599987B publication Critical patent/CN103599987B/en

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Abstract

The invention discloses a dedicated mold group for production of a cone work-piece. The cone work-piece which is produced by using the dedicated mold group is an externally elliptical cone, an elliptical opening is formed in the lower part of the elliptical cone, and the opening is provided with an edge which is folded inwards. A round opening is formed in the upper part, the round opening in the upper part is also provided with an edge which is folded inwards, and two semicircles are formed in the edge. The dedicated mould group for producing the cone work-piece comprises a blanking mold, a stretching mold, a trimming and punching composite mold and a shaping mold according to the production technology. Due to the application of the dedicated mold group, plane abrasion frequency of a cutting edge of a male mold can be reduced, investment of a factory is reduced and production efficiency is improved; as edge pressing force is distributed uniformly and steadily, surface smoothness of the produced work-piece is improved; as the trimming and punching technical processes are finished at the same time in one procedure, manufacturing of one technical mold is left out, work efficiency is improved, and cost is reduced; accurate positioning and low bending error are achieved in the machining process.

Description

A kind of production particular manufacturing craft group of cone workpiece
Technical field
The present invention relates to a kind of mechanical workpieces and produce, relate in particular to a kind of production particular manufacturing craft group of cone workpiece.
Background technology
The cone workpiece that our factory is produced, need carry out blanking, stretching, trimming, punching and integer to plate and process production, the die steel material that each operation is used, the structural design of heat treatment process setting parameter and mould, all reasonability and the stability of workpiece will be affected, particularly the structural design of mould, will directly determine that product quality is good and bad.In prior art, for the selection of die steel material and choosing of heat treatment process parameter, different manufacturers has different technical supports, yet, die steel material is chosen improper meeting and is reduced die hardness, and heat treatment parameter arranges improper, also can affect the quenching degree of mould, increase the carbon emission amount in heat treatment process, cause pollution and the energy waste of environment.
The structural design of mould and the discrete parts precision that respectively forms mould, the benchmark of mould and precision are had to conclusive guide effect, mould structure design can be embodied in many aspects to the impact of production technology, as affect die point plain grinding frequency, affect pressure-pad-force distribution rationality, affect bending degree etc., in prior art, due to mould structure design exist unreasonable, make semi-finished product that each operation of cone workpiece is produced all have the defect of precision, smoothness.
Summary of the invention
The problems referred to above that exist for solving prior art, the present invention adopts microalloy Cr12MoV as mould steel materials, at materials heat treatment stages, changes original heat treatment parameter, has improved its quenching degree; Design and improve the production mould structure of cone workpiece, to increase reasonability and the stability in monolateral gap, reduce cutting edge plain grinding frequency, solve pressure-pad-force skewness, the problem such as bending degree deviation is larger, makes the cone surface of the work Glabrous thorn of producing.
The cone workpiece of applying the production particular manufacturing craft group production of this kind of cone workpiece, outside is elliptic conic shape, and oval opening is arranged at bottom, and opening is provided with the edge of turnover to the inside; Circular open is arranged at top, and the circular open on top is also provided with the edge of turnover to the inside, and at this edge, has two semicircles.
For achieving the above object, the present invention adopts following technical scheme:
Produce the particular manufacturing craft group of this cone workpiece, according to the sequencing of its production technology, comprise blanking die, drawing die, edge-cutting and hole-punching composite die, shaping mold;
A cone workpiece blanking die, comprises cope match-plate pattern, guide pin bushing, guide pillar, inner guiding post, lower bolster, stripper, die, punch, punch retainer, rubber, die shank, pin I, pin II, screw I, screw II, screw III;
Punch retainer is anchored on the below of cope match-plate pattern by pin I and screw I, described pin I and screw I are also anchored on punch the below of described punch retainer, guide hole on the die of the ,Yu Qi lower end, lower surface of the punch retainer described in inner guiding post is arranged on is coaxially slidably matched;
Die shank embeds the top of described cope match-plate pattern, and guide pin bushing is fixed on the below of described cope match-plate pattern, and guide pillar is fixed on the upper surface of lower bolster; Described guide pillar coordinates with described guide pin bushing relative sliding;
Described die is fastened on the top of described lower bolster by pin II and screw III, the upper end of rubber is connected with described punch retainer, and lower end is connected with stripper, and described stripper is connected with described punch retainer by screw II;
The cutting edge of die of described die is oval, and the punch cutting edge of described punch is oval.
A cone workpiece drawing die, comprises cope match-plate pattern, dnockout dish, die, guide pin bushing, guide pillar, blank holder, punch, punch retainer, lower bolster;
Die and dnockout dish are installed on the below of cope match-plate pattern by pin and screw, guide pin bushing is fixed on the below of described cope match-plate pattern, and guide pillar is fixed on the top of lower bolster, and described guide pillar coordinates with described guide pin bushing relative sliding;
Punch retainer is fixed on the top of lower bolster by pin and screw, its top connects punch, and the outside of described punch is set with the blank holder of annular;
The inner guiding post below that be installed on blank holder parallel with ejector beam, described inner guiding post and the guide hole on punch retainer coaxially slide, and described ejector beam is connected with the square chest of its below with lower bolster through described punch retainer successively.
A cone workpiece edge-cutting and hole-punching composite die, comprises cope match-plate pattern, punch fixing plate, dnockout piece, piercing punch, die, guide pin bushing, guide pillar, lower bolster, stripper, punch, punching concave die, locating piece, punch retainer, rubber;
Punch fixing plate is by the fastening effect of pin and screw, be installed on the below of cope match-plate pattern, piercing punch, dnockout piece, die are arranged on the below of described punch fixing plate, described dnockout piece is sleeved on the outside of described piercing punch, and described die case is contained in the outside of described dnockout piece;
Guide pin bushing is arranged on the below of described cope match-plate pattern, and guide pillar is arranged on the top of lower bolster, and described guide pillar coordinates with described guide pin bushing relative sliding;
Punch retainer is arranged on the top of described lower bolster by pin and screw, this pin and screw are also anchored on punch the top of described punch retainer, and locating piece is equipped with in described punch top, and described locating piece is sleeved on the outside of punching concave die;
The upper surface of described punching concave die is vertical corresponding with the lower surface of described piercing punch, and described punch retainer upper end is also connected with rubber lower end, and stripper is equipped with in rubber top.
A cone workpiece shaping mold, comprises cope match-plate pattern, die, locating piece, Burring Punch, dnockout piece, guide pin bushing, guide pillar, blank holder, punch, backing plate, punch retainer, lower bolster;
Die and dnockout piece are fastening by pin and screw, are arranged on the top of cope match-plate pattern, and described die case is contained in the outside of described dnockout piece;
Guide pin bushing is fixed on the below of cope match-plate pattern, and guide pillar is fixed on the top of lower bolster, and described guide pillar coordinates with guide pin bushing relative sliding;
Punch retainer by pin and screw fastening above described lower bolster, this pin and screw are also fixed on backing plate described punch retainer top, described backing plate top is provided with Burring Punch, described punch case is loaded on described Burring Punch outside, and be connected with the top of backing plate, blank holder is sleeved on the outside of described punch, and the top of described Burring Punch is fixed with locating piece.
The die steel material of a kind of cone workpiece particular manufacturing craft group of the present invention is selected microalloy Cr12MoV mould steel, the Technology for Heating Processing of mould steel is: after hot rolling, be heated to 1050 ?1150 ℃ carry out solution treatment, being as cold as soon 600 ℃ proceeds in 400-700 ℃ of stove and makes it isothermal transformation, after machined, be heated to 900-950 ℃ of oil quenching, finally 150-200 ℃ of tempering.
The independent building block that forms a kind of cone workpiece particular manufacturing craft group of the present invention adopts Digit Control Machine Tool processing.
The invention has the beneficial effects as follows: the material selection microalloy Cr12MoV mould steel of punch and die, guaranteed die hardness, mould steel adopts above-mentioned Technology for Heating Processing, has reduced carbon emission, and quenching degree can be enhanced about more than once; The independent workpiece of Digit Control Machine Tool processing mold, has improved the precision of independent workpiece; Independent workpiece high accuracy processing and overall construction design optimization, reasonability and the stability in the monolateral gap of the present invention have been improved, the gap of punch and die is remained between 0.01-0.02mm, adopt above technical scheme, reduced the plain grinding frequency of punch cutting edge, the put the first edge on a knife or a pair of scissors workpiece quantity that can produce of plain grinding of punch cutting edge is 4 times of common die production quantity, and workpiece accuracy and the smoothness produced are better, guarantee product quality, reduced the input of factory, improved production efficiency; Pressure-pad-force is evenly distributed, and comparatively stable, improved the surface flatness of producing workpiece; Trimming, two technical process of punching complete an operation simultaneously, have saved the making of a process mould, have improved operating efficiency, have reduced cost; In process of the present invention, accurate positioning, bending error is little.
Accompanying drawing explanation
Fig. 1 is a kind of front view of cone workpiece blanking die;
Fig. 2 is a kind of top view of lower bolster of cone workpiece blanking die;
Fig. 3 is a kind of front view of cone workpiece drawing die;
Fig. 4 is a kind of top view of lower bolster of cone workpiece drawing die;
Fig. 5 is a kind of front view of cone workpiece edge-cutting and hole-punching composite die;
Fig. 6 is a kind of top view of lower bolster of cone workpiece edge-cutting and hole-punching composite die;
Fig. 7 is a kind of front view of cone workpiece shaping mold;
Fig. 8 is a kind of top view of lower bolster of cone workpiece shaping mold.
In figure:
1011, cope match-plate pattern, 1021, guide pin bushing, 1031, guide pillar, 1032, inner guiding post, 1041, lower bolster, 1051, stripper, 1061, die, 1071, punch, 1081, punch retainer, 1091, rubber, 1101, die shank, 1111, pin I, 1112, pin II, 1121, screw I, 1122, screw II, 1123, screw III.
2011, cope match-plate pattern, 2021, dnockout dish, 2031, die, 2041, guide pin bushing, 2051, guide pillar, 2061, flanging circle, 2071, punch, 2081, punch retainer, 2091, lower bolster.
3011, cope match-plate pattern, 3021, punch fixing plate, 3031, dnockout piece, 3041, piercing punch, 3051, die, 3061, guide pin bushing, 3071, guide pillar, 3081, lower bolster, 3091, stripper, 3101, punch, 3111, punching concave die, 3121, locating piece, 3131, punch retainer, 3141, rubber.
4011, cope match-plate pattern, 4021, die, 4031, locating piece, 4041, Burring Punch, 4051, dnockout piece, 4061, guide pin bushing, 4071, guide pillar, 4081, blank holder, 4091, punch, 4101, backing plate, 4111, punch retainer, 4121, lower bolster.
The specific embodiment:
Below in conjunction with specific embodiment, the present invention is further described:
The cone workpiece that the production particular manufacturing craft group of a kind of cone workpiece that application is described is produced, outside is elliptic conic shape, and oval opening is arranged at bottom, and opening is provided with the edge of turnover to the inside; Circular open is arranged at top, and the circular open on top is also provided with the edge of turnover to the inside, and at this edge, has two semicircles.
For achieving the above object, the present invention adopts following technical scheme:
Produce the particular manufacturing craft group of this cone workpiece, according to the sequencing of its production technology, comprise blanking die, drawing die, edge-cutting and hole-punching composite die, shaping mold;
A cone workpiece blanking die, comprises cope match-plate pattern 1011, guide pin bushing 1021, guide pillar 1031, inner guiding post 1032, lower bolster 1041, stripper 1051, die 1061, punch 1071, punch retainer 1081, rubber 1091, die shank 1101, pin I 1111, pin II 1112, screw I 1121, screw II 1122, screw III 1123;
Punch retainer 1081 is anchored on the below of cope match-plate pattern 1011 by pin I 1111 and screw I 1121, described pin I 1111 and screw I 1121 are also anchored on punch 1071 below of described punch retainer 1081, guide hole on the die 1061 of the ,Yu Qi lower end, lower surface of the punch retainer 1081 described in inner guiding post 1032 is arranged on is coaxially slidably matched;
Die shank 1101 embeds the top of described cope match-plate pattern 1011, and guide pin bushing 1021 is fixed on the below of described cope match-plate pattern 1011, and guide pillar 1031 is fixed on the upper surface of lower bolster 1041, and described guide pillar 1031 coordinates with described guide pin bushing 1021 relative slidings;
Described die 1061 is fastened on the top of described lower bolster 1041 by pin II 1112 and screw III 1123, the upper end of rubber 1091 is connected with described punch retainer 1081, lower end is connected with stripper 1051, and described stripper 1051 is connected with described punch retainer 1081 by screw II 1122;
The cutting edge of die of described die (1061) is oval, and the punch cutting edge of described punch (1071) is oval.
A cone workpiece drawing die, comprises cope match-plate pattern 2011, dnockout dish 2021, die 2031, guide pin bushing 2041, guide pillar 2051, blank holder 2061, punch 2071, punch retainer 2081, lower bolster 2091;
Die 2031 and dnockout dish 2021 are installed on the below of cope match-plate pattern 2011 by pin and screw, guide pin bushing 2041 is fixed on the below of described cope match-plate pattern 2011, guide pillar 2051 is fixed on the top of lower bolster 2091, and described guide pillar 2051 coordinates with described guide pin bushing 2041 relative slidings;
Punch retainer 2081 is fixed on the top of lower bolster 2091 by pin and screw, its top connects punch 2071, and the outside of described punch 2071 is set with the blank holder 2061 of annular;
The inner guiding post below that be installed on blank holder 2061 parallel with ejector beam, the guide hole on described inner guiding post and punch retainer 2081 coaxially slides, and described ejector beam is connected with the square chest of its below with lower bolster 2091 through described punch retainer 2081 successively.
A cone workpiece edge-cutting and hole-punching composite die, comprises cope match-plate pattern 3011, punch fixing plate 3021, dnockout piece 3031, piercing punch 3041, die 3051, guide pin bushing 3061, guide pillar 3071, lower bolster 3081, stripper 3091, punch 3101, punching concave die 3111, locating piece 3121, punch retainer 3131, rubber 3141;
Punch fixing plate 3021 is by the fastening effect of pin and screw, be installed on the below of cope match-plate pattern 3011, piercing punch 3041, dnockout piece 3031, die 3051 are arranged on the below of described punch fixing plate 3021, described dnockout piece 3031 is sleeved on the outside of described piercing punch 3041, and described die 3051 is sleeved on the outside of described dnockout piece 3031;
Guide pin bushing 3061 is arranged on the below of described cope match-plate pattern 3011, and guide pillar 3071 is arranged on the top of lower bolster 3081, and described guide pillar 3071 coordinates with described guide pin bushing 3061 relative slidings;
Punch retainer 3131 is arranged on the top of described lower bolster 3081 by pin and screw, this pin and screw are also anchored on punch 3101 top of described punch retainer 3131, locating piece 3121 is equipped with in described punch 3101 tops, and described locating piece 3121 is sleeved on the outside of punching concave die 3111;
The upper surface of described punching concave die 3111 is vertical corresponding with the lower surface of described piercing punch 3041, and described punch retainer 3131 upper ends are also connected with the lower end of rubber 3141, and stripper 3091 is equipped with in rubber 3141 tops.
A cone workpiece shaping mold, comprises cope match-plate pattern 4011, die 4021, locating piece 4031, Burring Punch 4041, dnockout piece 4051, guide pin bushing 4061, guide pillar 4071, blank holder 4081, punch 4091, backing plate 4101, punch retainer 4111, lower bolster 4121;
Die 4021 and dnockout piece 4051 are fastening by pin and screw, are arranged on the top of cope match-plate pattern 4011, and described die 4021 is sleeved on the outside of described dnockout piece 4051;
Guide pin bushing 4061 is fixed on the below of cope match-plate pattern 4011, and guide pillar 4071 is fixed on the top of lower bolster 4121, and described guide pillar 4071 coordinates with guide pin bushing 4061 relative slidings;
Punch retainer 4111 by pin and screw fastening above described lower bolster 4121, this pin and screw are also fixed on backing plate 4101 described punch retainer 4111 tops, described backing plate 4101 tops are provided with Burring Punch 4041, described punch 4091 is set in described Burring Punch 4041 outsides, and be connected with the top of backing plate 4101, blank holder 4081 is sleeved on the outside of described punch 4091, and the top of described Burring Punch 4041 is fixed with locating piece 4031.
A manufacturing process for cone workpiece, the sequencing by producing, comprising: blanking, stretching, trimming and punching, integer;
One, blanking:
1, cone workpiece blanking die is fixed on forcing press by die shank 1101;
2, blank flat is placed on to the top of die 1061, parallel corresponding with punch 1071;
3, start forcing press, cope match-plate pattern 1011 is descending, and servo-actuated the coming downwards to die 1061 of punch 1071 pressed, and punch cutting edge is gone out workpiece shape, and during processing cone workpiece, the workpiece of blanking processing is oval metallic plate;
4, after Workpiece shaping, press ram drives cope match-plate pattern 1011 to reset, and stripper 1051 ejects clout.
Two, stretch:
1, the lower bolster 2091 of cone workpiece drawing die is fixed on the square chest of 200T hydraulic press;
2, by the oval thin slice of blanking operation moulding, be placed on the surface of blank holder 2061, corresponding with the punch 2071 that is set in blank holder 2061 centers;
3, start hydraulic press, die 2031 comes downwards to blank holder 2061 and compresses, die 2031 continues descending, blank holder 2061 is servo-actuated descending, punch 2071 maintains static, and oval thin slice covers punch 2071, the shape of stretched punch 2071, cone workpiece is drawn into bottom with elliptical openings, and top is with the oval cone of circular open;
4, after Workpiece shaping, slider of oil press drives cope match-plate pattern 2011 returns, and dnockout dish 2021 is released clout.
Three, trimming, punching:
1, cone workpiece edge-cutting and hole-punching composite die is fixed on forcing press;
2, the cone workpiece through blanking, after stretching is placed in to the top of locating piece 3121, the be placed in top of stripper 3091 of cut-away;
3, start forcing press, cope match-plate pattern 3011 is descending, servo-actuated the coming downwards to stripper 3091 of die 3051 compresses, die 3051 continues descending, rubber 3141 is equipped with in stripper 3091 belows, rubber 3141 is subject to the pressure contraction distortion of stripper 3091, and die 3051, with cutting edge, cuts off workpiece redundance;
4, the downward punching press of piercing punch 3041, the workpiece being fixed on punch 3101 is rushed out symmetrical two ends with the circular open of semicircular projections;
5, after Workpiece shaping, die 3051 resets, and the clout on stripper 3091 is ejected by the bounce of rubber 3141, and workpiece is released from die 3051 by dnockout piece 3031.
Four, integer:
1, cone workpiece shaping mold is fixed on forcing press;
2, the cone workpiece cover after blanking, stretching, trimming and punching is put in punch 4091, bending part to be placed in the upper surface of blank holder 4081;
3, start forcing press, die 4021 is descending with cope match-plate pattern 4011, and punch 4091 is fixed,, Burring Punch 4041 in the descending process of die 4021, produce stamping press upwards, make the edge part of workpiece upper opening, be stamped and produce the bending of vertical direction; Die 4021 continues to come downwards to blank holder 4081 and presses, and blank holder 4081 is servo-actuated descending, makes workpiece bottom separately through punching press, produce vertically bending in the edge of mouthful horizontal direction;
4, after Workpiece shaping, die 4021 resets, and workpiece is released from die 4021 by dnockout piece 4051.

Claims (1)

1. a production particular manufacturing craft group for cone workpiece, is characterized in that:
Produce a kind of particular manufacturing craft group of cone workpiece, according to the sequencing of its production technology, comprise blanking die, drawing die, edge-cutting and hole-punching composite die, shaping mold;
A cone workpiece blanking die, comprises cope match-plate pattern (1011), guide pin bushing (1021), guide pillar (1031), inner guiding post (1032), lower bolster (1041), stripper (1051), die (1061), punch (1071), punch retainer (1081), rubber (1091), die shank (1101), pin I (1111), pin II (1112), screw I (1121), screw II (1122), screw III (1123);
Punch retainer (1081) is anchored on the below of cope match-plate pattern (1011) by pin I (1111) and screw I (1121), described pin I (1111) and screw I (1121) are also anchored on punch (1071) below of described punch retainer (1081), guide hole on the die (1601) of the ,Yu Qi lower end, lower surface of the punch retainer (1081) described in inner guiding post (1032) is arranged on is coaxially slidably matched;
Die shank (1101) embeds the top of described cope match-plate pattern (1011), guide pin bushing (1021) is fixed on the below of described cope match-plate pattern (1011), guide pillar (1031) is fixed on the upper surface of lower bolster (1041), and described guide pillar (1031) coordinates with described guide pin bushing (1021) relative sliding;
Described die (1061) is fastened on the top of described lower bolster (1041) by pin II (1112) and screw III (1123), the upper end of rubber (1091) is connected with described punch retainer (1081), lower end is connected with stripper (1051), and described stripper (1051) is connected with described punch retainer (1081) by screw II (1122);
The cutting edge of die of described die (1061) is oval, and the punch cutting edge of described punch (1071) is oval;
A cone workpiece drawing die, comprises cope match-plate pattern (2011), dnockout dish (2021), die (2031), guide pin bushing (2041), guide pillar (2051), blank holder (2061), punch (2071), punch retainer (2081), lower bolster (2091);
Die (2031) and dnockout dish (2021) are installed on the below of cope match-plate pattern (2011) by pin and screw, guide pin bushing (2041) is fixed on the below of described cope match-plate pattern (2011), guide pillar (2051) is fixed on the top of lower bolster (2091), and described guide pillar (2051) coordinates with described guide pin bushing (2041) relative sliding;
Punch retainer (2081) is fixed on the top of lower bolster (2091) by pin and screw, its top connects punch (2071), and the outside of described punch (2071) is set with the blank holder (2061) of annular;
The inner guiding post below that be installed on blank holder (2061) parallel with ejector beam, guide hole on described inner guiding post and punch retainer (2081) coaxially slides, and described ejector beam is connected with the square chest of its below with lower bolster (2091) through described punch retainer (2081) successively;
A cone workpiece edge-cutting and hole-punching composite die, comprises cope match-plate pattern (3011), punch fixing plate (3021), dnockout piece (3031), piercing punch (3041), die (3051), guide pin bushing (3061), guide pillar (3071), lower bolster (3081), stripper (3091), punch (3101), punching concave die (3111), locating piece (3121), punch retainer (3131), rubber (3141);
Punch fixing plate (3021) is by the fastening effect of pin and screw, be installed on the below of cope match-plate pattern (3011), piercing punch (3041), dnockout piece (3031), die (3051) are arranged on the below of described punch fixing plate (3021), described dnockout piece (3031) is sleeved on the outside of described piercing punch (3041), and described die (3051) is sleeved on the outside of described dnockout piece (3031);
Guide pin bushing (3061) is arranged on the below of described cope match-plate pattern (3011), and guide pillar (3071) is arranged on the top of lower bolster (3081), and described guide pillar (3071) coordinates with described guide pin bushing (3061) relative sliding;
Punch retainer (3131) is arranged on the top of described lower bolster (3081) by pin and screw, this pin and screw are also anchored on punch (3101) top of described punch retainer (3131), locating piece (3121) is equipped with in described punch (3101) top, and described locating piece (3121) is sleeved on the outside of punching concave die (3111);
The upper surface of described punching concave die (3111) is vertical corresponding with the lower surface of described piercing punch (3041), described punch retainer (3131) upper end is also connected with the lower end of rubber (3141), and stripper (3091) is equipped with in rubber (3141) top;
A cone workpiece shaping mold, comprises cope match-plate pattern (4011), die (4021), locating piece (4031), Burring Punch (4041), dnockout piece (4051), guide pin bushing (4061), guide pillar (4071), blank holder (4081), punch (4091), backing plate (4101), punch retainer (4111), lower bolster (4121);
Die (4021) and dnockout piece (4051) are fastening by pin and screw, are arranged on the top of cope match-plate pattern (4011), and described die (4021) is sleeved on the outside of described dnockout piece (4051);
Guide pin bushing (4061) is fixed on the below of cope match-plate pattern (4011), and guide pillar (4071) is fixed on the top of lower bolster (4121), and described guide pillar (4071) coordinates with guide pin bushing (4061) relative sliding;
Punch retainer (4111) is the top in described lower bolster (4121) by pin and screw fastening, this pin and screw are also fixed on backing plate (4101) described punch retainer (4111) top, described backing plate (4101) top is provided with Burring Punch (4041), described punch (4091) is set in described Burring Punch (4041) outside, and be connected with the top of backing plate (4101), blank holder (4081) is sleeved on the outside of described punch (4091), and the top of described Burring Punch (4041) is fixed with locating piece (4031).
CN201310463487.2A 2013-09-30 2013-09-30 A kind of production particular manufacturing craft group of cone work-piece CN103599987B (en)

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CN104826937A (en) * 2015-05-07 2015-08-12 中国南方航空工业(集团)有限公司 Tailcone forming mould and forming method of tailcone forming mould
CN105107925A (en) * 2015-08-07 2015-12-02 大连益联金属成型有限公司 Sealing cover trimming mold
CN107537951A (en) * 2017-10-27 2018-01-05 湖南南方通用航空发动机有限公司 One kind is calmed the anger hood horn mouth part forming methods

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