CN203917768U - A kind of hot extrusion forging mold of flanged dark blind taper hole central siphon - Google Patents
A kind of hot extrusion forging mold of flanged dark blind taper hole central siphon Download PDFInfo
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- CN203917768U CN203917768U CN201420298780.8U CN201420298780U CN203917768U CN 203917768 U CN203917768 U CN 203917768U CN 201420298780 U CN201420298780 U CN 201420298780U CN 203917768 U CN203917768 U CN 203917768U
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- punch
- flanged
- central siphon
- taper hole
- dark blind
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Abstract
The utility model belongs to the technical field that workpiece forges, and is specifically related to a kind of hot extrusion forging mold of flanged dark blind taper hole central siphon.The hot extrusion forging mold of this kind of flanged dark blind taper hole central siphon, comprises die, punch, geocoded activity mould and the jumping-up movable mold matching with punch; The die cavity of die is second order stepped hole, and aperture from top to bottom diminishes; The top of punch is straight-tube shape, and bottom has tapering; Geocoded activity mould is provided with the through hole coordinating with punch; Jumping-up movable mold is provided with the through hole matching with punch.Only need an equipment just can complete whole forging process of flanged dark blind taper-bored spindle, greatly improved working (machining) efficiency.
Description
Technical field
The utility model belongs to the technical field that workpiece forges, and is specifically related to a kind of hot extrusion forging mold of flanged dark blind taper hole central siphon.
Background technology
Spindle nose, central siphon are the critical components of automobile drive axle, and press-in type spindle nose mainly contains straight barrel type and ring flange class from profile classification at present; Endoporus is divided into step through-hole, step blind hole, clear opening, straight blind hole, dark tapering through hole, dark tapering blind hole, especially the most outstanding with the forging difficulty of dark tapering blind hole.
Flanged dark blind taper hole central siphon is a kind of part with certain length, and there is ring flange one end of this part, and upper surface is flange, and lower end is taper-bored spindle.The Forging Technology difficulty of dark tapering blind hole class central siphon is large, and forging ratio is greater than 8, and the aperture of endoporus is long, upper step and bottom tapering radially than being greater than 8, thinnest part is 10mm, gross weight needs to be controlled at 37mm together.Flanged dark blind taper hole central siphon can pass through forging molding, after blanking, through heating, carries out hot extrusion on forging equipment.To the Forging Technology of this part, is at present by many forging equipments, to set up two to four procedures separately to forge, drops into greatlyr, in work, have enough to meet the need clamping times many, thermal losses is fast, production efficiency is low; Well-known forging equipment and the disposable input of mould are larger, also have auxiliary for it occupation area of equipment too large, have increased very large input to forging and stamping enterprise.
Height for forging technology level depends on manufacturing and designing of FMT product mold and Forging Technology.Existing hot die steel principal item has H13(4Cr5MoSiV1), 9CrWMn, 3Cr2W8V, 5CrNiMo, 5CrMnMo etc.In hot die steel, be mainly wherein to take H13(4Cr5MoSiV1), 5CrNiMo is preferred material.
The project organization of mould not only embodies the quality good or not of product, also embodies the life-span of mould simultaneously.Mould structure is the major issue in forging technology.Enhancing productivity, reducing production costs is the development trend of equip forging industry, is also the target of backward extrusion technical research.
The technological difficulties of forging and stamping are the following aspects: 1, the type selecting of forcing press; 2, hot extrusion technique design, the assurance heat treatment of blind hole position can not ruptured; 3, the Design of Dies of hot extrusion, the life-span of consideration hot-extrusion mold.
Summary of the invention
The purpose of this utility model is that for the FMT of existing flanged dark blind taper hole central siphon, needing many forging equipments to set up two to four procedures separately forges, and have enough to meet the need at work clamping repeatedly, the problem that thermal losses is fast, production efficiency is low, and provide a kind of hot extrusion forging mold of flanged dark blind taper hole central siphon, only need an equipment just can complete whole forging process of flanged dark blind taper-bored spindle, greatly improved working (machining) efficiency.
The technical solution of the utility model is: a kind of hot extrusion forging mold of flanged dark blind taper hole central siphon, comprises die, punch, geocoded activity mould and the jumping-up movable mold matching with punch; The die cavity of die is second order stepped hole, and aperture from top to bottom diminishes; The top of punch is straight-tube shape, and bottom has tapering; Geocoded activity mould is provided with the through hole coordinating with punch; Jumping-up movable mold is provided with the through hole matching with punch.
Described punch is fixed on a upper mounting plate.
Described upper mounting plate is connected with power set and control system.
Described die is fixed on a lower platform.
Match with the lower end of geocoded activity mould, jumping-up movable mold in the aperture, top of described die die cavity.
The tapering of described punch bottom matches with the dark blind taper hole in dark blind taper hole central siphon.
Match with the flange in flanged dark blind taper hole central siphon in the lower surface of described jumping-up movable mold.
The axis of the lower surface of described jumping-up movable mold and jumping-up movable mold is perpendicular, and the axis of the lower surface of geocoded activity mould and geocoded activity mould is perpendicular.
The beneficial effects of the utility model are: the utility model is by two auxiliary movable mold of design, be respectively geocoded activity mould and jumping-up movable mold, during location, adopt geocoded activity mould auxiliary positioning, when can preventing punch and hot workpiece contacts, geocoded activity mould occurs bending and deformation, guarantee the precision of hole site on workpiece, when jumping-up moulding, adopt the auxiliary jumping-up moulding of jumping-up movable mold and complete dark blind taper hole simultaneously, during moulding, no longer need other extra special operations moulds, realize three forging process completes in same equipment, make workpiece in forging molding process, not need turnover, reduce thermal losses, working (machining) efficiency is high.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that in the utility model specific embodiment, geocoded activity mould positions.
Fig. 2 is the schematic diagram that the utility model specific embodiment convex mould carries out shallow punching.
Fig. 3 is the schematic diagram that in the utility model specific embodiment, jumping-up movable mold is carried out jumping-up moulding.
Wherein, 1 is upper mounting plate, and 2 is punch, and 3 is geocoded activity mould, and 4 is workpiece, and 5 is die, and 6 is lower platform, and 7 is jumping-up movable mold.
The specific embodiment
Below by embodiment, the utility model is described in detail.
A hot extrusion forging mold for flanged dark blind taper hole central siphon, comprises die 5, punch 2, geocoded activity mould 3 and the jumping-up movable mold 7 matching with punch 2; The die cavity of die 5 is second order stepped hole, aperture from top to bottom diminishes, aperture, top is large, aperture, bottom is little, match with the lower end of geocoded activity mould 3, jumping-up movable mold 7 in its middle upper aperture footpath, the lower end of the lower end of jumping-up movable mold 7 and geocoded activity mould 3 all can enter respectively in the upper step hole of die 5 die cavitys.The lower surface of die 5 is connected with lower platform 6.The top of punch 2 is straight-tube shape, and bottom has tapering, and this tapering matches with the dark blind taper hole in dark blind taper hole central siphon.The upper surface of punch 2 is connected with upper mounting plate 1, and this upper mounting plate 1 is connected with the power set that drive upper mounting plate 1 and the control system of controlling power set.Geocoded activity mould 3 is provided with the through hole matching with punch 2, for inserting punch 2; Jumping-up movable mold 7 is provided with the through hole matching with punch 2, for inserting punch 2.
Match with the flange in flanged dark blind taper hole central siphon in the lower surface of described jumping-up movable mold 7.
The axis of the lower surface of described jumping-up movable mold 7 and jumping-up movable mold 7 is perpendicular, and the axis of the lower surface of geocoded activity mould 3 and geocoded activity mould 3 is perpendicular.
The forging method that utilizes the hot extrusion forging mold of described flanged dark blind taper hole central siphon, specifically comprises the following steps:
(1) blanking: the round steel of intercepting technological requirement length is as blank workpiece;
(2) heating: the heating of blank workpiece is reached to technological requirement temperature;
(3) location: the die cavity of first workpiece that reaches requirement temperature being put into die 5, then geocoded activity mould 3 is inserted to die 5 and is pressed on workpiece 4, make through hole on geocoded activity mould 3 over against punch 2 simultaneously, when the die cavity of die 5 is inserted in the lower end of geocoded activity mould 3, the through hole of geocoded activity mould 3 and punch 2 over against, punch 2 is descending to be passed the through hole on geocoded activity mould 3 and is pressed into workpiece 4, on workpiece 4, forms locating hole;
(4) shallow punching: punch 2 is up, takes out geocoded activity mould 3, and then the descending insertion locating hole of punch 2 carries out shallow punching and makes punch 2 insert half position of workpiece 4;
(5) jumping-up moulding: punch 2 is up, jumping-up movable mold 7 is put into the die cavity of die 5 and be pressed on workpiece 4, make the through hole of jumping-up movable mold 7 over against punch 2 simultaneously, when the die cavity of die 5 is inserted in the lower end of jumping-up movable mold 7, the through hole of jumping-up movable mold 7 and punch 2 over against, punch is advanced into the through hole of jumping-up movable mold 7 for 2 times, and 4 pairs of workpiece 4 jumping-ups of extruding workpiece, suppress ring flange in the upper end of workpiece 4; And further workpiece 4 is pushed in deep-draw, because punch 2 tops are straight-tube shape, bottom have with dark blind taper hole central siphon in the tapering that matches of dark blind taper hole, so form a step on punch 2, when punch 2 comes downwards to this step place, the deep punch of workpiece 4 gained can reach projected depth.
Claims (8)
1. a hot extrusion forging mold for flanged dark blind taper hole central siphon, is characterized in that, comprises die, punch, geocoded activity mould and the jumping-up movable mold matching with punch; The die cavity of die is second order stepped hole, and aperture from top to bottom diminishes; The top of punch is straight-tube shape, and bottom has tapering; Geocoded activity mould is provided with the through hole coordinating with punch; Jumping-up movable mold is provided with the through hole matching with punch.
2. the hot extrusion forging mold of flanged dark blind taper hole central siphon according to claim 1, is characterized in that, described punch is fixed on a upper mounting plate.
3. the hot extrusion forging mold of flanged dark blind taper hole central siphon according to claim 2, is characterized in that, described upper mounting plate is connected with power set and control system.
4. the hot extrusion forging mold of flanged dark blind taper hole central siphon according to claim 1, is characterized in that, described die is fixed on a lower platform.
5. the hot extrusion forging mold of flanged dark blind taper hole central siphon according to claim 1, is characterized in that, matches with the lower end of geocoded activity mould, jumping-up movable mold in the aperture, top of described die die cavity.
6. the hot extrusion forging mold of flanged dark blind taper hole central siphon according to claim 1, is characterized in that, the tapering of described punch bottom matches with the dark blind taper hole in dark blind taper hole central siphon.
7. the hot extrusion forging mold of flanged dark blind taper hole central siphon according to claim 1, is characterized in that, matches with the flange in flanged dark blind taper hole central siphon in the lower surface of described jumping-up movable mold.
8. the hot extrusion forging mold of flanged dark blind taper hole central siphon according to claim 1, it is characterized in that, the axis of the lower surface of described jumping-up movable mold and jumping-up movable mold is perpendicular, and the axis of the lower surface of geocoded activity mould and geocoded activity mould is perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420298780.8U CN203917768U (en) | 2014-06-06 | 2014-06-06 | A kind of hot extrusion forging mold of flanged dark blind taper hole central siphon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420298780.8U CN203917768U (en) | 2014-06-06 | 2014-06-06 | A kind of hot extrusion forging mold of flanged dark blind taper hole central siphon |
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| Publication Number | Publication Date |
|---|---|
| CN203917768U true CN203917768U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420298780.8U Withdrawn - After Issue CN203917768U (en) | 2014-06-06 | 2014-06-06 | A kind of hot extrusion forging mold of flanged dark blind taper hole central siphon |
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| CN (1) | CN203917768U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070129A (en) * | 2014-06-06 | 2014-10-01 | 济南中森机械制造有限公司 | Hot extrusion forging die for pipe with flange and deep blind taper hole shaft and forging technology thereof |
| CN104959508A (en) * | 2015-02-25 | 2015-10-07 | 张家港华日法兰有限公司 | Die for tube upsetting flange forming |
| CN113649512A (en) * | 2021-08-09 | 2021-11-16 | 宁波固强机械有限公司 | Mold for manufacturing automobile inner bushing and manufacturing method of automobile inner bushing |
-
2014
- 2014-06-06 CN CN201420298780.8U patent/CN203917768U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070129A (en) * | 2014-06-06 | 2014-10-01 | 济南中森机械制造有限公司 | Hot extrusion forging die for pipe with flange and deep blind taper hole shaft and forging technology thereof |
| CN104070129B (en) * | 2014-06-06 | 2017-04-12 | 济南中森机械制造有限公司 | Hot extrusion forging die for pipe with flange and deep blind taper hole shaft and forging technology thereof |
| CN104959508A (en) * | 2015-02-25 | 2015-10-07 | 张家港华日法兰有限公司 | Die for tube upsetting flange forming |
| CN113649512A (en) * | 2021-08-09 | 2021-11-16 | 宁波固强机械有限公司 | Mold for manufacturing automobile inner bushing and manufacturing method of automobile inner bushing |
| CN113649512B (en) * | 2021-08-09 | 2024-04-19 | 宁波固强机械有限公司 | Mold for manufacturing automobile lining sleeve and automobile lining sleeve manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20170412 |