CN104259237A - Hot extrusion die applicable to extrusion and forming of inner hexagonal bolt of track end coupling device - Google Patents
Hot extrusion die applicable to extrusion and forming of inner hexagonal bolt of track end coupling device Download PDFInfo
- Publication number
- CN104259237A CN104259237A CN201410504714.6A CN201410504714A CN104259237A CN 104259237 A CN104259237 A CN 104259237A CN 201410504714 A CN201410504714 A CN 201410504714A CN 104259237 A CN104259237 A CN 104259237A
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- Prior art keywords
- die
- punch
- hot
- cope match
- plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
Abstract
The invention discloses a hot extrusion die applicable to extrusion and forming of an inner hexagonal bolt of a track end coupling device. The hot extrusion die comprises an upper die set and a lower die set, wherein the upper die set comprises an upper template, a convex die which is fixed on the upper template and is of a hexagonal column shape, a base plate padded between the upper template and the convex die, and a positioning pin which simultaneously penetrates through the upper template, the base plate and a convex die fixing plate pressing plate; and the lower die set comprises a lower template, a concave die which is arranged on the lower template and is provided with a cylindrical cavity, an outer fastening ring sleeving the concave die, a pressing plate for fixing the outer fastening ring on the lower template, and an ejection rod penetrating through the lower template and the concave die. The hot extrusion die has the beneficial effects that the die adopting a common die frame can be universal by only replacing key parts such as the convex die and the concave die, so that the manufacturing cost of the die is reduced and the utilization rate of the die is improved; and the concave die and the outer fastening ring form a multilayered pre-stress combined type structure so that the transverse and longitudinal cracks can be effectively prevented in an extruding process of the concave die.
Description
Technical field
The present invention relates to a kind of mould, be specifically related to a kind ofly be applicable to the hot-extrusion mold that in crawler belt connector, six square bolts are extruded, belong to field of mechanical technique.
Background technology
At present, based on the manufacture method mainly machining of six square bolts in high strength alloy steel crawler belt connector.Machining is by blanking → face work → centering → turning → cut-out → boring → face work → car profile → cutting thread → draw hexagonal hole → repair the manufacture that the operations such as burr realize six square bolts in crawler belt connector.There is manufacturing cycle length in the method, manufacture efficiency is low, manufacturing cost is high, waste of raw materials is serious, the high deficiency of hand labor intensity, and be difficult to the batch micro operations realizing interior six square bolts.
In order to realize the batch micro operations of interior six square bolts, in crawler belt connector, six square bolt extrusion forming process arise at the historic moment.
Summary of the invention
The object of the present invention is to provide a kind of low cost of manufacture, utilization rate high, durable, be applicable to the hot-extrusion mold that in crawler belt connector, six square bolts are extruded.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
Be applicable to the hot-extrusion mold that in crawler belt connector, six square bolts are extruded, comprise: upper module and lower module, is characterized in that,
Aforementioned upper module comprises: cope match-plate pattern, is fixed on the punch on aforementioned cope match-plate pattern by punch retainer pressing plate, pads the backing plate between aforementioned cope match-plate pattern and punch, and simultaneously through the alignment pin of aforementioned cope match-plate pattern, backing plate and punch retainer pressing plate; Aforementioned punch retainer pressing plate is fixedly mounted by screw and cope match-plate pattern, and aforementioned punch is hexagonal cylindricality;
Aforementioned lower module comprises: lower bolster, be arranged on the die on aforementioned lower bolster, be enclosed within the outer tight loop of aforementioned die outside, aforementioned outer tight loop be fixed on the pressing plate on lower bolster, and be used for through aforementioned lower bolster and die push rod blank being ejected die; Aforementioned platens is fixedly mounted by screw and lower bolster, and aforementioned die has cylindrical mold cavity.
Aforesaid hot-extrusion mold, is characterized in that, adopts the tapering of 2 °-3 ° to cold pressing and join between aforementioned die and outer tight loop, and being press-fitted the magnitude of interference is 0.25mm-0.30mm.
Aforesaid hot-extrusion mold, is characterized in that, aforementioned die adopts high speed steel W 6M05Cr4V2 to make.
Aforesaid hot-extrusion mold, is characterized in that, aforementioned punch adopts high speed steel W 6M05Cr4V2 to make.
Aforesaid hot-extrusion mold, is characterized in that, aforementioned cope match-plate pattern is provided with guide pin bushing, and aforementioned lower bolster is provided with guide pillar, and upper module and lower module realize leading by aforementioned guide pillars and bushes.
Usefulness of the present invention is:
1, mould have employed universal die set, only need exchange the vital parts such as punch, die, backing plate, push rod and just can do mutually general, both reduce die manufacturing cost, turn improved the utilization rate of mould;
2, adopt tapering to cold pressing between die and outer tight loop to join, form multilayer prestressing combination formula structure, can effectively prevent die from extrusion process, producing horizontal and vertical crackle;
3, die and punch adopt high speed steel W 6M05Cr4V2 to make, this material carbide particle is tiny, distribution uniform, when its heat treatment hardness reaches about 60HRC, not only has high strength, high rigidity and high-wearing feature, also there is good toughness, the needs of hot extrusion molding can be met.
Accompanying drawing explanation
Fig. 1 is the structural representation of hot-extrusion mold of the present invention.
The implication of Reference numeral in figure:
1-cope match-plate pattern, 2-guide pin bushing, 3-guide pillar, 4-alignment pin, 5-backing plate, 6-punch, 7-screw, 8-punch retainer pressing plate, 9-pressing plate, 10-screw, 11-lower bolster, 12-push rod, 13-blank, 14-die, the outer tight loop of 15-.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the present invention.
Of the present inventionly be applicable to the hot-extrusion mold that in crawler belt connector, six square bolts are extruded, comprise: upper module and lower module.Introduce the structure of upper module and lower module below respectively.
With reference to Fig. 1, upper module comprises: cope match-plate pattern 1, punch 6, backing plate 5 and alignment pin 4, and wherein, punch 6 is fixed on cope match-plate pattern 1 by punch retainer pressing plate 8, and punch retainer pressing plate 8 is fixedly mounted by screw 7 and cope match-plate pattern 1; Backing plate 5 pads between cope match-plate pattern 1 and punch 6; Alignment pin 4 passes cope match-plate pattern 1, backing plate 5 and punch retainer pressing plate 8 simultaneously, for realizing the location of three; Punch 6 is in hexagonal cylindricality, and blank 13, after the punching press of punch 6, can form interior hexagonal structure.
With reference to Fig. 1, lower module comprises: lower bolster 11, die 14, outer tight loop 15, pressing plate 9 and push rod 12, and wherein, die 14 and outer tight loop 15 are all arranged on lower bolster 11, and outer tight loop 15 is enclosed within the outside of die 14, the two forms multilayer prestressing combination formula structure; Pressing plate 9 is used for outer tight loop 15 to be fixed on lower bolster 11, and pressing plate 9 is fixedly mounted by screw 10 and lower bolster 11; Push rod 12 through lower bolster 11 and die 14, and connects, for blank 13 is ejected die 14 with lower bolster 11 and the sliding accessory of die 14; Die 14 has cylindrical mold cavity.
Mould of the present invention have employed universal die set, only need exchange the vital parts such as punch 6, die 14, backing plate 5, push rod 12 and just can do mutually general, both reduce die manufacturing cost, turn improved the utilization rate of mould.
In the present invention, adopt tapering to cold pressing and join between die 14 and outer tight loop 15, form multilayer prestressing combination formula structure, this kind of structure can effectively prevent die from extrusion process, producing horizontal and vertical crackle.
As the preferred scheme of one, adopt the tapering of 2 °-3 ° to cold pressing and join between die 14 and outer tight loop 15, being press-fitted the magnitude of interference is 0.25mm-0.30mm.
As the preferred scheme of one, die 14 and punch 6 adopt high speed steel W 6M05Cr4V2 to make.This material carbide particle is tiny, distribution uniform, when its heat treatment hardness reaches about 60HRC, not only has high strength, high rigidity and high-wearing feature, also has good toughness, can meet the needs of hot extrusion molding.
In the present invention, in order to ensure mould accuracy of alignment, upper module and lower module realize leading by guide pillar guide pin bushing.Concrete, cope match-plate pattern 1 arranges guide pin bushing 2, lower bolster 11 arranges guide pillar 3, guide pin bushing 2 is enclosed within the outside of guide pillar 3, and sliding accessory connects therebetween, and guide pillar 3 and guide pin bushing 2 cooperatively interact and achieve the precise alignment of module and lower module.
It should be noted that, above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (5)
1. be applicable to the hot-extrusion mold that in crawler belt connector, six square bolts are extruded, comprise: upper module and lower module, is characterized in that,
Described upper module comprises: cope match-plate pattern (1), the punch (6) on described cope match-plate pattern (1) is fixed on by punch retainer pressing plate (8), the backing plate (5) of pad between described cope match-plate pattern (1) and punch (6), and simultaneously through the alignment pin (4) of described cope match-plate pattern (1), backing plate (5) and punch retainer pressing plate (8); Described punch retainer pressing plate (8) is fixedly mounted by screw (7) and cope match-plate pattern (1), and described punch (6) is in hexagonal cylindricality;
Described lower module comprises: lower bolster (11), be arranged on the die (14) on described lower bolster (11), be enclosed within the outer tight loop (15) that described die (14) is outside, described outer tight loop (15) is fixed on the pressing plate (9) on lower bolster (11), and through described lower bolster (11) and die (14) for blank (13) being ejected the push rod (12) of die (14); Described pressing plate (9) is fixedly mounted by screw (10) and lower bolster (11), and described die (14) has cylindrical mold cavity.
2. hot-extrusion mold according to claim 1, is characterized in that, adopts the tapering of 2 °-3 ° to cold pressing and join between described die (14) and outer tight loop (15), and being press-fitted the magnitude of interference is 0.25mm-0.30mm.
3. hot-extrusion mold according to claim 2, is characterized in that, described die (14) adopts high speed steel W 6M05Cr4V2 to make.
4. hot-extrusion mold according to claim 3, is characterized in that, described punch (6) adopts high speed steel W 6M05Cr4V2 to make.
5. hot-extrusion mold according to claim 1, it is characterized in that, described cope match-plate pattern (1) is provided with guide pin bushing (2), described lower bolster (11) is provided with guide pillar (3), upper module and lower module realize leading by described guide pillar (3) and guide pin bushing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410504714.6A CN104259237A (en) | 2014-09-26 | 2014-09-26 | Hot extrusion die applicable to extrusion and forming of inner hexagonal bolt of track end coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410504714.6A CN104259237A (en) | 2014-09-26 | 2014-09-26 | Hot extrusion die applicable to extrusion and forming of inner hexagonal bolt of track end coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104259237A true CN104259237A (en) | 2015-01-07 |
Family
ID=52150882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410504714.6A Pending CN104259237A (en) | 2014-09-26 | 2014-09-26 | Hot extrusion die applicable to extrusion and forming of inner hexagonal bolt of track end coupling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104259237A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560502A (en) * | 2019-07-11 | 2019-12-13 | 西安成立航空制造有限公司 | Application of open-close type hot extrusion die |
| CN114472575A (en) * | 2021-12-22 | 2022-05-13 | 北京航星机器制造有限公司 | Multidirectional hot extrusion forming die and forming method for light saddle-shaped end frame structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08503892A (en) * | 1993-04-06 | 1996-04-30 | ダンフォス アクチェセルスカベト | Forming tool |
| CN201020484Y (en) * | 2007-04-09 | 2008-02-13 | 郑州机械研究所 | Precision forming die for deep hole inner spline |
| CN102189141A (en) * | 2011-03-02 | 2011-09-21 | 北京北方车辆集团有限公司 | Method for performing extrusion molding on internal hexagon bolt of alloy steel track end coupling device |
| CN202290828U (en) * | 2011-09-21 | 2012-07-04 | 南京工业职业技术学院 | One-step forming die for gear shaft |
| CN203830449U (en) * | 2014-04-25 | 2014-09-17 | 象山搏远智能科技有限公司 | High-voltage switch fixed contact extrusion die |
-
2014
- 2014-09-26 CN CN201410504714.6A patent/CN104259237A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08503892A (en) * | 1993-04-06 | 1996-04-30 | ダンフォス アクチェセルスカベト | Forming tool |
| CN201020484Y (en) * | 2007-04-09 | 2008-02-13 | 郑州机械研究所 | Precision forming die for deep hole inner spline |
| CN102189141A (en) * | 2011-03-02 | 2011-09-21 | 北京北方车辆集团有限公司 | Method for performing extrusion molding on internal hexagon bolt of alloy steel track end coupling device |
| CN202290828U (en) * | 2011-09-21 | 2012-07-04 | 南京工业职业技术学院 | One-step forming die for gear shaft |
| CN203830449U (en) * | 2014-04-25 | 2014-09-17 | 象山搏远智能科技有限公司 | High-voltage switch fixed contact extrusion die |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560502A (en) * | 2019-07-11 | 2019-12-13 | 西安成立航空制造有限公司 | Application of open-close type hot extrusion die |
| CN114472575A (en) * | 2021-12-22 | 2022-05-13 | 北京航星机器制造有限公司 | Multidirectional hot extrusion forming die and forming method for light saddle-shaped end frame structure |
| CN114472575B (en) * | 2021-12-22 | 2024-04-05 | 北京航星机器制造有限公司 | Multidirectional hot extrusion forming die and forming method for light saddle-shaped end frame structure |
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Application publication date: 20150107 |