CN105414228A - Extrusion process for producing asymmetric special-shaped seamless tube by utilizing circular tube - Google Patents
Extrusion process for producing asymmetric special-shaped seamless tube by utilizing circular tube Download PDFInfo
- Publication number
- CN105414228A CN105414228A CN201510998975.2A CN201510998975A CN105414228A CN 105414228 A CN105414228 A CN 105414228A CN 201510998975 A CN201510998975 A CN 201510998975A CN 105414228 A CN105414228 A CN 105414228A
- Authority
- CN
- China
- Prior art keywords
- extrusion process
- axle
- pipe
- axis
- recipient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/085—Making tubes
-
- 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
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/003—Cooling or heating of work
-
- 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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
Abstract
The invention provides an extrusion process for producing an asymmetric special-shaped seamless tube by utilizing a circular tube. The extrusion process specifically comprises the steps of A. making auxiliary coordinate axes X and Y by using the center of a circle of an outlet of an extrusion container as an original point, wherein the axis X is a horizontal axis, the axis Y is a vertical axis, and a plane P on which the axis X and the axis Y are positioned is parallel to the end surface of the extrusion container; B. adjusting the positions of an ejector pin and a mold along the direction parallel to the plane P, so that the area of the cross section of a mold cavity is equally divided by the axis X and the axis Y, and the mold is fixedly connected to the outlet end of the extrusion container; C. leading the circular tube which is heated to first temperature into the extrusion container, and pushing the circular tube out of the outlet end of the extrusion container at first advance speed, so as to obtain the asymmetric special-shaped seamless tube. According to the extrusion process provided by the invention, the ejector pin can be prevented from rotating in an extrusion process, so that an inner cavity of a product is prevented from twisting, thereby guaranteeing normal production.
Description
Technical field
The present invention relates to and produce asymmetric special-shaped seamless pipe technical field, particularly relate to a kind of extrusion process utilizing pipe to produce asymmetric special-shaped seamless pipe.
Background technology
Special-shaped seamless pipe refers to the seamless tubular goods of other cross sectional shapes except pipe, and cross section is that the special-shaped seamless pipe of asymmetrical shape is called asymmetric special-shaped seamless pipe.Make pipe generation plastic deformation by extrusion process, can obtain asymmetric special-shaped seamless pipe, detailed process is:
Pipe after heating is imported recipient, the outlet of recipient is provided with mould, is equipped with thimble in mould, thimble and mould inner wall form die cavity, pipe enters this die cavity generation plastic deformation through after recipient, finally obtains the asymmetric special-shaped seamless pipe of required cross sectional shape.
Be fixedly mounted on needle connector because thimble is threaded connection, the problem that thimble rotates often occurs in current extrusion process, and cause product cavity to be turned round stubborn, impact is normally produced.Therefore, how to improve extrusion process, preventing thimble from rotating in extrusion process becomes those skilled in the art's technical problem urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of extrusion process utilizing pipe to produce asymmetric special-shaped seamless pipe, this extrusion process can prevent thimble from rotating in extrusion process, thus ensures that production can normally be carried out.
In order to achieve the above object, the invention provides following technical scheme:
Utilize pipe to produce an extrusion process for asymmetric special-shaped seamless pipe, comprising:
Steps A, with the center of circle of recipient outlet for initial point makes auxiliary coordinate axle X, Y, wherein, axle X is trunnion axis, and axle Y is vertical axes, and described axle X is parallel with described recipient end face with axle Y place plane P;
Step B, adjusts the position of thimble and mould, make axle X divide the area in die cavity cross section equally, and axle Y also divides the area in described die cavity cross section equally, be fixedly connected with by the port of export of described mould with described recipient along the direction parallel with described plane P;
Step C, imports described recipient by the pipe being heated to the first temperature, and is released by the port of export of described pipe from described recipient with the first fltting speed, obtains asymmetric special-shaped seamless pipe.
Preferably, in above-mentioned extrusion process, the material of described pipe is 2219 aluminium alloys.
Preferably, in above-mentioned extrusion process, described first temperature is 470 ~ 480 DEG C.
Preferably, in above-mentioned extrusion process, described first fltting speed is 0.5 ~ 0.8m/min.
Extrusion process provided by the invention, by adjusting the position of thimble and mould, the vertical line of symmetry of squeezed pressure cylinder outlet, die cavity cross section is divided equally, and meanwhile, the horizontal symmetry-line of squeezed pressure cylinder outlet, die cavity cross section is divided equally, like this, when pipe is clamp-oned in die cavity from recipient outlet, can improve the balanced intensity of die cavity each several part metal sendout, thimble surrounding is stressed more even, can not rotate, thus ensure that production can normally be carried out.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is a kind of flow chart utilizing pipe to produce the extrusion process of asymmetric special-shaped seamless pipe provided by the invention;
Fig. 2 is the position view in die cavity cross section in the thimble of the embodiment of the present invention one and die adjustment process.
Detailed description of the invention
For the ease of understanding, below in conjunction with accompanying drawing, the invention will be further described.
See Fig. 1, be a kind of flow chart utilizing pipe to produce the extrusion process of asymmetric special-shaped seamless pipe provided by the invention, specifically comprise:
Step S11, with the center of circle of recipient outlet for initial point makes auxiliary coordinate axle X, Y, wherein, axle X is trunnion axis, and axle Y is vertical axes, and axle X is parallel with recipient end face with axle Y place plane P.
It should be noted that, auxiliary coordinate axle X, Y are virtual line, only play a part to divide die cavity cross section, can not extrude and have an impact raw material pipe from recipient outlet.
Step S12, adjusts the position of thimble and mould, make axle X divide the area in die cavity cross section equally, and axle Y also divides the area in die cavity cross section equally, be fixedly connected with by mould with the port of export of recipient along the direction parallel with plane P.
Step S13, imports recipient by the pipe being heated to the first temperature, and is released by the port of export of pipe from recipient with the first fltting speed, obtain asymmetric special-shaped seamless pipe.
The invention process one with 2219 tubes and pipe of aluminium alloy for raw material, composition graphs 2 pairs of extrusion processes are described, see Fig. 2, die cavity is triangular ring, this die cavity is asymmetrical shape, axle X and axle Y is asessory shaft, the two intersection point is positioned at the center of circle of recipient outlet, before adjustment, the die cavity area of section of more than axle X is less than the die cavity area of section of below axle X, axle Y is less than axle Y with the die cavity area of section on a left side with the die cavity area of section on the right side, so, thimble and mould are moved up, the die cavity area of section of more than axle X is made to equal the die cavity area of section of below axle X, simultaneously, thimble and mould are moved right, axle Y is made to equal axle Y with the die cavity area of section on a left side with the die cavity area of section on the right side, the position relationship that after adjustment, die cavity and recipient export as shown in Figure 2.
According to the position relationship after adjustment, mould is fixedly connected with the port of export of recipient, then, 2219 tubes and pipe of aluminium alloy are heated to 470 ~ 480 DEG C and import recipient, finally, released by the port of export of 2219 tubes and pipe of aluminium alloy from recipient with the fltting speed of 0.5 ~ 0.8m/min, obtaining cross section is leg-of-mutton 2219 aluminium alloy seamless pipes.
Extrusion process provided by the invention, by adjusting the position of thimble and mould, the vertical line of symmetry of squeezed pressure cylinder outlet, die cavity cross section is divided equally, and meanwhile, the horizontal symmetry-line of squeezed pressure cylinder outlet, die cavity cross section is divided equally, like this, when pipe is clamp-oned in die cavity from recipient outlet, can improve the balanced intensity of die cavity each several part metal sendout, thimble surrounding is stressed more even, can not rotate, thus ensure that production can normally be carried out.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of embodiment, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. utilize pipe to produce an extrusion process for asymmetric special-shaped seamless pipe, it is characterized in that, comprising:
Steps A, with the center of circle of recipient outlet for initial point makes auxiliary coordinate axle X, Y, wherein, axle X is trunnion axis, and axle Y is vertical axes, and described axle X is parallel with described recipient end face with axle Y place plane P;
Step B, adjusts the position of thimble and mould, make axle X divide the area in die cavity cross section equally, and axle Y also divides the area in described die cavity cross section equally, be fixedly connected with by the port of export of described mould with described recipient along the direction parallel with described plane P;
Step C, imports described recipient by the pipe being heated to the first temperature, and is released by the port of export of described pipe from described recipient with the first fltting speed, obtains asymmetric special-shaped seamless pipe.
2. extrusion process according to claim 1, is characterized in that, the material of described pipe is 2219 aluminium alloys.
3. extrusion process according to claim 2, is characterized in that, described first temperature is 470 ~ 480 DEG C.
4. extrusion process according to claim 3, is characterized in that, described first fltting speed is 0.5 ~ 0.8m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998975.2A CN105414228B (en) | 2015-12-28 | 2015-12-28 | A kind of extrusion process producing asymmetric special-shaped seamless pipe using pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998975.2A CN105414228B (en) | 2015-12-28 | 2015-12-28 | A kind of extrusion process producing asymmetric special-shaped seamless pipe using pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105414228A true CN105414228A (en) | 2016-03-23 |
| CN105414228B CN105414228B (en) | 2018-07-13 |
Family
ID=55493014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510998975.2A Active CN105414228B (en) | 2015-12-28 | 2015-12-28 | A kind of extrusion process producing asymmetric special-shaped seamless pipe using pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105414228B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471614A (en) * | 2017-08-08 | 2017-12-15 | 中国铁路总公司 | A kind of band bealock plastic corrugated pipe forming method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110067475A1 (en) * | 2008-06-13 | 2011-03-24 | Sumitomo Metal Industries, Ltd. | Process for Producing High-Alloy Seamless Tube |
| CN102000943A (en) * | 2010-01-05 | 2011-04-06 | 伦日生 | Powder-filling extrusion processing technique for special three-way pipe for air conditioning |
| CN103157692A (en) * | 2011-12-09 | 2013-06-19 | 北京有色金属研究总院 | Preparation method for zinc-based alloy specially-shaped tube |
| CN203803957U (en) * | 2014-02-28 | 2014-09-03 | 山东兖矿轻合金有限公司 | Special-shaped aluminium alloy seamless square tube extrusion die |
| CN105478506A (en) * | 2015-12-18 | 2016-04-13 | 西南铝业（集团）有限责任公司 | Manufacturing method of asymmetric triangular hollow profile |
-
2015
- 2015-12-28 CN CN201510998975.2A patent/CN105414228B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110067475A1 (en) * | 2008-06-13 | 2011-03-24 | Sumitomo Metal Industries, Ltd. | Process for Producing High-Alloy Seamless Tube |
| CN102000943A (en) * | 2010-01-05 | 2011-04-06 | 伦日生 | Powder-filling extrusion processing technique for special three-way pipe for air conditioning |
| CN103157692A (en) * | 2011-12-09 | 2013-06-19 | 北京有色金属研究总院 | Preparation method for zinc-based alloy specially-shaped tube |
| CN203803957U (en) * | 2014-02-28 | 2014-09-03 | 山东兖矿轻合金有限公司 | Special-shaped aluminium alloy seamless square tube extrusion die |
| CN105478506A (en) * | 2015-12-18 | 2016-04-13 | 西南铝业（集团）有限责任公司 | Manufacturing method of asymmetric triangular hollow profile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471614A (en) * | 2017-08-08 | 2017-12-15 | 中国铁路总公司 | A kind of band bealock plastic corrugated pipe forming method |
| CN107471614B (en) * | 2017-08-08 | 2021-07-13 | 中国铁路总公司 | Method for forming plastic corrugated pipe with bealock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105414228B (en) | 2018-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104438433B (en) | The processing technology of thin-walled small-bend radius U-bend | |
| CN104624906B (en) | A kind of forging mold and forging method | |
| CN105414898B (en) | A kind of preparation method of the direct-current motor shell of flange shaping | |
| CN201143522Y (en) | Hot-extrusion mold | |
| CN104907452A (en) | Extrusion manufacturing method of high-pressure air bottle and opening shrinkage mold used in method | |
| CN201140244Y (en) | Bend pipe mould apparatus | |
| CN105414228A (en) | Extrusion process for producing asymmetric special-shaped seamless tube by utilizing circular tube | |
| TW201716157A (en) | Rotary extrusion mold and manufactured long metal part thereof having a male mold device controllably moved along the axis relative to the master mold device | |
| CN102366835B (en) | Special-shaped boat for controlling sintering flexural deformation of long trumpet-shaped hard alloy nozzle pipe | |
| CN107413875A (en) | A kind of tube extrusion shaping dies and its manufacturing process | |
| CN106881568B (en) | A kind of processing technology of complicated abnormal shape pipe | |
| CN203437440U (en) | Seamless square tube extrusion die | |
| CN204685699U (en) | A kind of extrusion die with U-type groove tubular aluminum section bar | |
| CN107696438A (en) | One kind storage packing container body and its production equipment and production technology | |
| CN203578432U (en) | Extruding mold of metal pipe | |
| CN104550293B (en) | A kind of extrusion die of metal tube | |
| CN110259783A (en) | A kind of aluminum pipe and method | |
| CN205250233U (en) | Collagen casing spouts knitted -formed subassembly of machine | |
| CN204278388U (en) | For two pressure moulds that steel wire rope is plastic | |
| CN208232243U (en) | A kind of spoke adjustable punching mold | |
| CN106964718B (en) | A kind of processing technology of S-shaped catch pipe | |
| CN204294905U (en) | A kind of motlten metal water conservancy diversion bleeder mechanism | |
| CN103272874B (en) | Aapplication of extrusion rod to sunflower heat dissipater profile | |
| CN203004311U (en) | Flaring and heating box for plastic tubular product | |
| CN203380206U (en) | Double-layered tubular product extrusion mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |