CN203578546U

CN203578546U - Composite die for fan cover stretching and trimming

Info

Publication number: CN203578546U
Application number: CN201320618692.7U
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 composite die for fan cover stretching and trimming comprises an upper die plate, a stretching female die, an inner guide column, a ramming plate, a screw I, a pin I, a screw II, a pin II, a guide sleeve, a guide column, an edge pressing ring, a male die fixing plate, a lower die plate, a pushing rod, a pushing plate, a stretching male die, a trimming male die and a trimming female die. The upper die plate sequentially fixes the stretching female die and the trimming female die to the lower portion of the upper die plate from top to bottom through the pin II and the screw II, the stretching female die and the trimming female die are provided with coaxial guide holes, the edge pressing ring is provided with guide holes corresponding to the stretching female die and the trimming female die and is arranged on the outer side of the stretching male die in a sleeved mode, the lower end of the edge pressing ring is connected with the pushing rod, the pushing rod sequentially penetrates through the lower die plate and the male die fixing plate from bottom to top, and the lower end of the pushing rod is connected with the pushing plate. By means of the composite die, the stretching process and the trimming process are finished at the same time in one procedure, manufacturing of a process die is omitted, work efficiency is improved, and cost is reduced.

Description

A kind of fan guard composite stretching cropping die tool

Technical field

The utility model relates to a kind of mechanical workpieces to be produced, and relates in particular to a kind of fan guard composite stretching cropping die tool.

Background technology

The fan guard workpiece that our factory is produced, after completing blanking operation, to stretch to this workpiece material, trimming processing, in the prior art of our factory, for the processing of fan guard workpiece, complete stretching, two operations of trimming, need to use two kinds of different moulds, i.e. drawing die and shaving die, so not only increased workman's working strength, reduce operating efficiency, also strengthened factory cost.

Utility model content

The problems referred to above that exist for solving prior art, the utility model is integrated original stretching, shaving die, improves mould structure, has designed stretching, a compound trimming die that stretching, two operations of trimming are carried out simultaneously.

The utility model adopts following technical scheme:

A fan guard composite stretching cropping die tool, comprises cope match-plate pattern, stretching die, inner guiding post, dnockout dish, screw I, pin I, screw II, pin II, guide pin bushing, guide pillar, blank holder, punch retainer, lower bolster, charging ram, scraping wings, stretching convex die, trimming punch, trim die;

Cope match-plate pattern, by pin II and screw II, is anchored on its below from top to bottom successively by stretching die and trim die, and described stretching die is provided with coaxial guide hole with trim die;

The below of described cope match-plate pattern is also provided with dnockout dish and guide pin bushing, and guide pillar is fixed on the top of lower bolster, and described guide pillar coordinates with guide pin bushing relative sliding;

The pin I of passing through of described lower bolster is connected with punch retainer, trimming punch and stretching convex die sequence from low to uper part successively with screw I;

Blank holder is with the stretching die with described and the corresponding guide hole of trim die, and the outside of the stretching convex die described in being sleeved on, the lower end of described blank holder is connected with charging ram, and described charging ram is from bottom to top successively through lower bolster and punch retainer, and its lower end is connected with scraping wings;

Inner guiding post is fixed on lower bolster top, is slidably matched successively from bottom to top with the guide hole of blank holder, trim die, stretching die.

The die steel material of described a kind of fan guard composite stretching cropping die tool 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.

Each individual components that forms described a kind of fan guard composite stretching cropping die tool 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 inner guiding post, 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, make the workpiece after blanking process, drawing and forming, and cut unnecessary base, the structural design of this mould, can make pressure-pad-force distribute more even, material flowability is good, and make to stretch, two technical process of trimming complete an operation simultaneously, saved the making of a process mould, improved operating efficiency, reduced cost.

Accompanying drawing explanation

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

Fig. 2 is the top view of lower bolster.

In figure: 2011, cope match-plate pattern, 2021, stretching die, 2031, inner guiding post, 2041, dnockout dish, 2051, screw I, 2061, pin I, 2052, screw II, 2062, pin II, 2071, guide pin bushing, 2032, guide pillar, 2081, blank holder, 2091, punch retainer, 2101, lower bolster, 2111, charging ram, 2121, scraping wings, 2131, stretching convex die, 2141, trimming punch, 2151, trim die.

The specific embodiment:

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

A fan guard composite stretching cropping die tool, comprises cope match-plate pattern 2011, stretching die 2021, inner guiding post 2031, dnockout dish 2041, screw I 2051, pin I 2061, screw II 2052, pin II 2062, guide pin bushing 2071, guide pillar 2032, blank holder 2081, punch retainer 2091, lower bolster 2101, charging ram 2111, scraping wings 2121, stretching convex die 2131, trimming punch 2141, trim die 2151;

Cope match-plate pattern 2011, by pin II 2062 and screw II 2502, is anchored on its below from top to bottom successively by stretching die 2021 and trim die 2151, and described stretching die 2021 is provided with coaxial guide hole with trim die 2151;

The below of described cope match-plate pattern 2011 is also provided with dnockout dish 2041 and guide pin bushing 2071, and guide pillar 2032 is fixed on the top of lower bolster 2101, and described guide pillar 2032 coordinates with guide pin bushing 2071 relative slidings;

The pin I 2061 of passing through of described lower bolster 2101 is connected with punch retainer 2091, trimming punch 2141 and stretching convex die 2131 sequence from low to uper parts successively with screw I 2051;

Blank holder 2081 is with the stretching die 2021 with described and the corresponding guide hole of trim die 2151, and the outside of the stretching convex die 2131 described in being sleeved on, the lower end of described blank holder 2081 is connected with charging ram 2111, described charging ram 2111 is from bottom to top successively through lower bolster 2101 and punch retainer 2091, and its lower end is connected with scraping wings 2121;

Inner guiding post 2031 is fixed on lower bolster 2101 tops, is slidably matched successively from bottom to top with the guide hole of blank holder 2081, trim die 2151, stretching die 2021.

Fan guard stretches, trimming compound processing course is as follows:

1, fan guard composite stretching cropping die tool is fixed on forcing press;

2, the fan guard workpiece flitch after blanking process processing is placed in to the upper surface of blank holder 2081;

3, start forcing press, stretching die 2021 is descending with cope match-plate pattern 2011, servo-actuated the coming downwards to blank holder 2081 of trim die 2151 pressed, stretching die 2021 and trim die 2151 continue descending, blank holder 2081 is servo-actuated descending, stretching convex die 2131 maintains static, and fan guard workpiece flitch covers stretching convex die 2131, the shape of the stretching convex die that is stretched out 2131;

When 4, trim die 2151 comes downwards to the position of trimming punch 2141, the unnecessary rim charge after the cutting edge of trimming punch 2141 stretches fan guard workpiece flitch cuts;

5, after Workpiece shaping, square chest promotes charging ram 2111 blank holder 2081 is resetted, and workpiece is released from stretching die 2021 by dnockout dish 2041.

Claims

1. a fan guard composite stretching cropping die tool, is characterized in that: comprise cope match-plate pattern (2011), stretching die (2021), inner guiding post (2031), dnockout dish (2041), screw I (2051), pin I (2061), screw II (2052), pin II (2062), guide pin bushing (2071), guide pillar (2032), blank holder (2081), punch retainer (2091), lower bolster (2101), charging ram (2111), scraping wings (2121), stretching convex die (2131), trimming punch (2141), trim die (2151);

Cope match-plate pattern (2011) is by pin II (2062) and screw II (2502), stretching die (2021) and trim die (2151) are anchored on to its below from top to bottom successively, and described stretching die (2021) is provided with coaxial guide hole with trim die (2151);

The below of described cope match-plate pattern (2011) is also provided with dnockout dish (2041) and guide pin bushing (2071), guide pillar (2032) is fixed on the top of lower bolster (2101), and described guide pillar (2032) coordinates with guide pin bushing (2071) relative sliding;

The pin I (2061) of passing through of described lower bolster (2101) is connected with punch retainer (2091), trimming punch (2141) and stretching convex die (2131) sequence from low to uper part successively with screw I (2051);

Blank holder (2081) is with the stretching die (2021) with described and the corresponding guide hole of trim die (2151), and the outside of the stretching convex die (2131) described in being sleeved on, the lower end of described blank holder (2081) is connected with charging ram (2111), described charging ram (2111) is from bottom to top successively through lower bolster (2101) and punch retainer (2091), and its lower end is connected with scraping wings (2121);

Inner guiding post (2031) is fixed on lower bolster (2101) top, is slidably matched successively from bottom to top with the guide hole of blank holder (2081), trim die (2151), stretching die (2021).