CN203578514U

CN203578514U - Cone workpiece blanking die

Info

Publication number: CN203578514U
Application number: CN201320618725.8U
Authority: CN
Inventors: 孙冬生; 范久卫
Original assignee: DALIAN YILIAN METAL FORMING Co Ltd
Current assignee: DALIAN YILIAN METAL FORMING Co Ltd
Priority date: 2013-09-30
Filing date: 2013-09-30
Publication date: 2014-05-07
Anticipated expiration: 2023-09-30

Abstract

A cone workpiece blanking die comprises an upper die plate, guide sleeves, guide pillars, an inner guide pillar, a lower die plate, discharge plates, a female die, a male die, a male die fixing plate, rubber, a die handle, a pin I, a pin II, a screw I, a screw II and a screw III. The male die fixing plate is fastened below the upper die plate by the pin I and the screw I, the male die is further fastened below the male die fixing plate through the pin I and the screw I, the inner guide pillar is mounted on the lower end face of the male die fixing plate and is in coaxial sliding fit with a guide hole in the female die at the lower end of the inner guide pillar, a female cutting edge of the female die is oval, and a male die cutting edge of the male die is oval. The cone workpiece blanking die reduces the plane grinding frequency of the male die cutting edge, and the quantity of workpieces which can be produced at one-time plane grinding and edge sharpening of the male die cutting edge is 4 times that of a common die.

Description

A kind of cone workpiece blanking die

Technical field

The utility model relates to a kind of mechanical workpieces production mould, relates in particular to a kind of cone workpiece blanking die.

Background technology

Blanking die, in processing work process, because its independent workpiece accuracy is not high or structural design Shortcomings, causes punch cutting edge to be easily worn, when the degree of wear is larger, can make the workpiece of producing produce burr, surface flatness reduces, for guaranteeing product quality, punch cutting edge needs plain grinding to put the first edge on a knife or a pair of scissors; Existing cone workpiece blanking die, plain grinding of punch cutting edge puts the first edge on a knife or a pair of scissors and can produce 3000-5000 mechanical workpieces, and punch cutting edge plain grinding puts the first edge on a knife or a pair of scissors, and has strengthened workman's working strength, has lost the production time, has reduced operating efficiency, has increased entreprise cost.

Utility model content

For solving plain grinding of existing cone workpiece blanking die punch cutting edge, put the first edge on a knife or a pair of scissors and produce the lower problem of workpiece quantity, the utility model is used high-precision independent workpiece assembly jig, and improve existing blanking die structure, in order to strengthen the precision of blanking die processing work, improve the stability of mould, reduce cutting edge plain grinding frequency.

For achieving the above object, the utility model adopts following technical scheme:

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, inner guiding post is arranged on the lower surface of described punch retainer, is coaxially slidably matched with the guide hole on the die of its lower end;

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.

The die steel material of described a kind of cone workpiece blanking die 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 700 ℃ of stoves of 400 ?and makes it isothermal transformation, after machined, be heated to 900 ?950 ℃ of oil quenchings, finally 150 ?200 ℃ of tempering.

Each individual components that forms described cone workpiece blanking die adopts Digit Control Machine Tool processing.

The beneficial effects of the utility model are: the material selection microalloy Cr12MoV mould steel of punch and die, guaranteed die hardness, and 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; Be provided with four groups of secondary guide pillars, improved the stability in monolateral gap; Independent workpiece high accuracy processing and overall construction design optimization, reasonability and the stability in the monolateral gap of the utility model 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, guaranteed product quality, the input that has reduced factory, has improved production efficiency.

Accompanying drawing explanation

Fig. 1 is front view of the present utility model;

Fig. 2 is the top view of lower bolster.

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.

The specific embodiment

Below in conjunction with specific embodiment, the utility model is further illustrated:

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, inner guiding post 1032 is arranged on the lower surface of described punch retainer 1081, is coaxially slidably matched with the guide hole on the die 1061 of its lower end;

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.

Cone workpiece blanking process is as follows:

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.

Claims

1. a cone workpiece blanking die, is characterized in that: comprise 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), inner guiding post (1032) is arranged on the lower surface of described punch retainer (1081), is coaxially slidably matched with the guide hole on the die (1601) of its lower end;

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.