CN201147780Y - Extrusion die for thick-wall aluminum alloy pipes - Google Patents
Extrusion die for thick-wall aluminum alloy pipes Download PDFInfo
- Publication number
- CN201147780Y CN201147780Y CNU200720094409XU CN200720094409U CN201147780Y CN 201147780 Y CN201147780 Y CN 201147780Y CN U200720094409X U CNU200720094409X U CN U200720094409XU CN 200720094409 U CN200720094409 U CN 200720094409U CN 201147780 Y CN201147780 Y CN 201147780Y
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- aluminum alloy
- extrusion die
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Abstract
The utility model relates to a thick-wall aluminum alloy tube extruding die which consists of a guide die, an upper die and a lower die. The extruding die is characterized in that an annular choked belt is arranged on the inside edge of the bottom of a welding-on chamber of the lower die; and the upper beam of the annular choked belt is arranged 5 to 10mm higher than the bottom of the welding-on chamber; and the included angle formed by the outside of the section of the annular choke belt and the bottom of the welding-on chamber is between 20 degrees and 40 degrees. The extruding die provided by the utility model changes the flowing direction of blank in the welding-on chamber, solves the problems, such as deformation, subsidence and obvious welding seams, possibly happened during producing thick-wall aluminum alloy tubes, thereby reducing the consumption of material and energy and improving the rate of finished tubes. The extruding die has reasonable structure and can be used reliably and stably.
Description
Technical field
The utility model relates to a kind of improvement design of extruding die for aluminum shaped material, especially a kind of heavy wall aluminium alloy pipe extrusion die.
Background technology
As everybody knows, the aluminium section bar extruding is meant aluminium alloy high temperature strand is fed in the particular manufacturing craft, under the crunch effect that extruder provides, by given speed, aluminium alloy is extruded from die cavity, thus the aluminum alloy extrusion section bar that obtains required form, size and have certain mechanical property.Structural designs such as the work zone section of mould, tap hole, seam chamber, guiding gutter directly influence the quality and the production efficiency of aluminium profile product.Especially heavy wall aluminium alloy pipe extrusion die, owing to adopt conventional structural designs, during production, because big face tap hole is near the center, the flow rate of metal at center reaches the inhomogeneities crimp of mould soon more.Like this, be difficult to guarantee the disposable even outflow of blank.Thereby, cause that a considerable amount of heavy wall aluminium alloy pipes are turned round stubborn, wave, bending, plane clearance is overproof and defective such as obvious weld seam.
Summary of the invention
The utility model is produced the heavy wall aluminium alloy pipe and is caused the percent defective height because of defectives such as weld seam are obvious in order to overcome existing extruding die for aluminum shaped material, the deficiency that production efficiency is low provides the heavy wall that a kind of welding quality is good, percent defective is low, production efficiency is high aluminium alloy pipe extrusion die.
The technical solution of the utility model is achieved in that the heavy wall aluminium alloy pipe extrusion die of being made up of water conservancy diversion mould, upper die and lower die, and its special character is to establish an annular choked flow zone on the inside edge of bottom surface, counterdie seam chamber.
In the technical scheme that the utility model adopted, the last rafter of annular choked flow zone is higher than seam chamber bottom surface 5-10mm.
In the technical scheme that the utility model adopted, the angle of the outside of annular choked flow zone section and bottom surface, seam chamber is 20-40 °.
The beneficial effects of the utility model are to have changed blank in the indoor flow direction of seam, solve the distortion of producing the heavy wall aluminium alloy pipe and may occur, subsided and problem such as weld seam is obvious, reduced material and energy resource consumption, improved the yield rate of tubing, rational in infrastructure, reliable and stable.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified
Fig. 1 is a front view of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the partial enlarged drawing of Fig. 1 annular choked flow zone.
Among the figure: 1, seam chamber; 2, annular choked flow zone; 3, work zone; 4, bottom surface, seam chamber.
The specific embodiment
In Fig. 1-Fig. 3,, on the inside edge of bottom surface, counterdie seam chamber (4), establish an annular choked flow zone (2) by the heavy wall aluminium alloy pipe extrusion die that water conservancy diversion mould, upper die and lower die are formed.The last rafter of annular choked flow zone (2) is higher than seam chamber bottom surface 5-10mm.The outside of annular choked flow zone (2) section and the angle of bottom surface, seam chamber (4) are 20-40 °.The aluminum alloy blank metal flow flows to nib work zone (3) from seam chamber (1) under the powerful pressure of extruder like this, run into the obstruction of the gradient that angle constituted of annular choked flow zone (2) the section outside and bottom surface, seam chamber (4) in the way, changed the flow direction of aluminum alloy blank in the seam chamber, prolonged blank so greatly in the indoor filling time of seam, increased seam pressure, make the blank that enters nib obtain abundant seam, optimize and improved weldquality accordingly.Thereby, solved with conventional traditional moulds produce the distortion that may occur when the heavy wall aluminium alloy pipe is produced, subside, problem such as breach and weld seam are obvious.Improve the production efficiency of producing the heavy wall aluminium alloy pipe greatly, reduced production cost, improved product quality.
Claims (3)
1, a kind of heavy wall aluminium alloy pipe extrusion die is made up of water conservancy diversion mould, upper die and lower die, it is characterized in that: establish an annular choked flow zone (2) on the inside edge of bottom surface, counterdie seam chamber (4).
2, heavy wall aluminium alloy pipe extrusion die according to claim 1 is characterized in that: the last rafter of annular choked flow zone (2) is higher than seam chamber bottom surface 5-10mm.
3, heavy wall aluminium alloy pipe extrusion die according to claim 1 is characterized in that: the outside of annular choked flow zone (2) section and the angle of bottom surface, seam chamber (4) are 20-40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720094409XU CN201147780Y (en) | 2007-09-28 | 2007-09-28 | Extrusion die for thick-wall aluminum alloy pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720094409XU CN201147780Y (en) | 2007-09-28 | 2007-09-28 | Extrusion die for thick-wall aluminum alloy pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201147780Y true CN201147780Y (en) | 2008-11-12 |
Family
ID=40115548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720094409XU Expired - Fee Related CN201147780Y (en) | 2007-09-28 | 2007-09-28 | Extrusion die for thick-wall aluminum alloy pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201147780Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106540980A (en) * | 2016-12-29 | 2017-03-29 | 广东和胜工业铝材股份有限公司 | A kind of high surface requirements section bar mould and its using method |
| CN108453142A (en) * | 2018-05-15 | 2018-08-28 | 湖北宏箭轻合金材料科技有限公司 | A kind of adjustable pipe class squeezes the mold and adjusting method of hole size |
| CN108787777A (en) * | 2018-07-16 | 2018-11-13 | 江阴市江顺模具有限公司 | A kind of band hinders the aluminum alloy heat extrusion die at angle |
-
2007
- 2007-09-28 CN CNU200720094409XU patent/CN201147780Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106540980A (en) * | 2016-12-29 | 2017-03-29 | 广东和胜工业铝材股份有限公司 | A kind of high surface requirements section bar mould and its using method |
| CN108453142A (en) * | 2018-05-15 | 2018-08-28 | 湖北宏箭轻合金材料科技有限公司 | A kind of adjustable pipe class squeezes the mold and adjusting method of hole size |
| CN108453142B (en) * | 2018-05-15 | 2023-08-04 | 湖北宏箭轻合金材料科技有限公司 | Die capable of adjusting size of inner hole of circular tube extrusion and adjusting method |
| CN108787777A (en) * | 2018-07-16 | 2018-11-13 | 江阴市江顺模具有限公司 | A kind of band hinders the aluminum alloy heat extrusion die at angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Panshi Feiyue Mold Co., Ltd. Assignor: Liu Yuetang Contract record no.: 2010220000038 Denomination of utility model: Extrusion die for thick-wall aluminum alloy pipes Granted publication date: 20081112 License type: Exclusive License Record date: 20100812 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Panshi Feiyue Mold Co., Ltd. Assignor: Liu Yuetang Contract record no.: 2010220000038 Date of cancellation: 20101201 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Panshi Feiyue Mold Co., Ltd. Assignor: Liu Yuetang Contract record no.: 2010220000060 Denomination of utility model: Extrusion die for thick-wall aluminum alloy pipes Granted publication date: 20081112 License type: Exclusive License Record date: 20101210 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081112 Termination date: 20130928 |