CN107931349A - A kind of special-shaped plug die of new internal thread forming machine - Google Patents
A kind of special-shaped plug die of new internal thread forming machine Download PDFInfo
- Publication number
- CN107931349A CN107931349A CN201711342435.4A CN201711342435A CN107931349A CN 107931349 A CN107931349 A CN 107931349A CN 201711342435 A CN201711342435 A CN 201711342435A CN 107931349 A CN107931349 A CN 107931349A
- Authority
- CN
- China
- Prior art keywords
- core rod
- internal thread
- ellipsoid
- round table
- table surface
- 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.)
- Pending
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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
A kind of special-shaped plug die of new internal thread forming machine disclosed by the invention, including core rod and the die sleeve being coated on the core rod outer circumferential side, the center of the core rod, which is formed, a sizing squeezing passage, both sides of the face of the sizing squeezing passage axially through the core rod, the sizing squeezing passage includes arcwall face feed zone, round table surface extruded segment, ellipsoid profiled section and round table surface discharging section successively along the direction of extrusion, and the medial surface of the ellipsoid profiled section is a cylindrical surface with certain ovality.The beneficial effects of the present invention are：So that the ovality of copper pipe internal thread product reduces, so that copper pipe internal thread product is intended to toroidal, meet the requirement of product quality, at the same be greatly reduced caused by ovality is overproof rotating curve it is abnormal scrap accounting rate, production efficiency is improved, reduces production cost.
Description
Technical field
The present invention relates to drawing copper tubes technical field of mold, more particularly to a kind of new internal thread forming machine are special-shaped
Plug die.
Background technology
At present, the extrusion passage for the plug die that copper pipe internal thread product uses is circle, and copper pipe internal thread product is by fixed
It is in rounded shape after the mould of position, then enter by forming machine V-type disk in charging basket.There are following defect for this production technology at present：When passing through
When plug die copper pipe internal thread product in rounded shape passes through V-type disk, under the action of the V-groove extruding force of V-type disk, easily make
Obtain copper pipe internal thread product and become ovalisation, to the side such as winding curve, surface quality and winding mass in follow-up winding working procedure
Face can all produce certain influence.According to incompletely statistics, every year because of spiral shell in the copper pipe of rotating curve exception caused by ovality is overproof
The accounting of scrapping of line product is up to more than 10%.For this reason, applicant carried out beneficial exploration and trial, it is above-mentioned to have found solution
The method of problem, technical solution described below produce in this background.
The content of the invention
The technical problems to be solved by the invention：A kind of new forming internal threads are provided in view of the deficiencies of the prior art
The special-shaped plug die of machine.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of special-shaped plug die of new internal thread forming machine, including core rod and be coated on the core rod outer circumferential side
Die sleeve, the center of the core rod, which is formed, a sizing squeezing passage, and the sizing squeezing passage is axially through the mould
The both sides of the face of core, it is characterised in that the sizing squeezing passage includes arcwall face feed zone, round table surface successively along the direction of extrusion
Extruded segment, ellipsoid profiled section and round table surface discharging section, the bore of the round table surface extruded segment are gradually reduced along the direction of extrusion
And its input end is connected with the port of export of the arcwall face feed zone, the input end of its port of export and the ellipsoid profiled section connects
Connect, the medial surface of the ellipsoid profiled section is a cylindrical surface with certain ovality, the bore of the round table surface discharging section
Gradually expand along the direction of extrusion and its input end is connected with the port of export of the ellipsoid profiled section.
In a preferred embodiment of the invention, connected between the core rod and die sleeve by the way of hot insert cooperation.
As a result of technical solution as above, the beneficial effects of the present invention are：The present invention different in nature plug die by its
The profiled section of the sizing squeezing passage of core rod is arranged to the cylindrical surface with certain ovality, so that copper pipe internal thread product
There is certain ovality in extrusion forming, when the copper pipe internal thread product with certain ovality enters forming machine V-type disk,
V-type disk corrects the copper pipe internal thread product with certain ovality so that and the ovality of copper pipe internal thread product reduces,
So that copper pipe internal thread product is intended to toroidal, meet the requirement of product quality, while be greatly reduced because of ellipse
Spend it is overproof cause rotating curve it is abnormal scrap accounting rate, improve production efficiency, reduce production cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the longitudinal sectional view of the present invention.
Embodiment
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Referring to Fig. 1 and Fig. 2, what is provided in figure is a kind of new internal thread forming machine special-shaped plug die, including core rod
100 and die sleeve 200 on 200 outer circumferential side of core rod is coated on by the connection mode that hot insert coordinates.The centre bit of core rod 100
Putting composition has a sizing squeezing passage 110, both sides of the face of the sizing squeezing passage 110 axially through core rod 100.
Sizing squeezing passage 110 includes arcwall face feed zone 111, round table surface extruded segment 112, ellipse along the direction of extrusion successively
Disc profiled section 113 and round table surface discharging section 114, the bore of round table surface extruded segment 112 is gradually reduced along the direction of extrusion and it
Input end is connected with the port of export of shape face feed zone 111, its port of export is connected with the input end of ellipsoid profiled section 113, round platform
The bore of face discharging section 114 gradually expands along the direction of extrusion and its input end is connected with the port of export of ellipsoid profiled section 113.It is ellipse
The medial surface of disc profiled section 113 is a cylindrical surface with certain ovality, and the ovality on the cylindrical surface need to be according to product
Undergauge situation and the extruding force situation of V-type disk etc. will meet the copper pipe internal thread product of extrusion forming because usually determining
Ovality V-type disk extruding force effect under be cancelled.When producing copper pipe, drawn out by the special-shaped plug die of the present invention
Copper pipe with certain ovality, with having a certain degree in V-type disk itself groove, so as to offset what copper pipe was produced by V-type disk
Ovality.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (2)
1. a kind of special-shaped plug die of new internal thread forming machine, including core rod and it is coated on the core rod outer circumferential side
Die sleeve, the center of the core rod, which is formed, a sizing squeezing passage, and the sizing squeezing passage is axially through the core rod
Both sides of the face, it is characterised in that the sizing squeezing passage includes arcwall face feed zone, round table surface along the direction of extrusion and squeezes successively
Press section, ellipsoid profiled section and round table surface discharging section, the bore of the round table surface extruded segment be gradually reduced along the direction of extrusion and
Its input end is connected with the port of export of the arcwall face feed zone, and the input end of its port of export and the ellipsoid profiled section connects
Connect, the medial surface of the ellipsoid profiled section is a cylindrical surface with certain ovality, the bore of the round table surface discharging section
Gradually expand along the direction of extrusion and its input end is connected with the port of export of the ellipsoid profiled section.
2. the special-shaped plug die of new internal thread forming machine as claimed in claim 1, it is characterised in that the core rod and mould
Connected between set by the way of hot insert cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711342435.4A CN107931349A (en) | 2017-12-14 | 2017-12-14 | A kind of special-shaped plug die of new internal thread forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711342435.4A CN107931349A (en) | 2017-12-14 | 2017-12-14 | A kind of special-shaped plug die of new internal thread forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107931349A true CN107931349A (en) | 2018-04-20 |
Family
ID=61943311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711342435.4A Pending CN107931349A (en) | 2017-12-14 | 2017-12-14 | A kind of special-shaped plug die of new internal thread forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107931349A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453085A (en) * | 2020-09-18 | 2021-03-09 | 中国航发北京航空材料研究院 | Continuous composite extrusion cogging method for high-temperature alloy ingot casting difficult to deform |
| CN112474806A (en) * | 2020-12-21 | 2021-03-12 | 宁波金田铜管有限公司 | Preparation method of internal thread special-shaped copper pipe |
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| CN101296760A (en) * | 2005-10-28 | 2008-10-29 | 丰田自动车株式会社 | Method of correcting metal tube and correcting press metal die |
| CN101356021A (en) * | 2006-07-17 | 2009-01-28 | 最乘技 | A die assembly and a method of making it |
| CN101579697A (en) * | 2009-06-08 | 2009-11-18 | 江苏金圣铜业科技有限公司 | Method for manufacturing chromium-zirconium-copper tubes for electrode material |
| CN102218453A (en) * | 2010-04-16 | 2011-10-19 | 江苏兴荣高新科技股份有限公司 | Drawing method and drawing machine for internal-threaded pipe |
| CN202984460U (en) * | 2012-12-19 | 2013-06-12 | 宝银特种钢管有限公司 | Bending die for U-shaped pipes |
| CN103537498A (en) * | 2013-10-17 | 2014-01-29 | 天津三英焊业股份有限公司 | Flux-cored wire forming machine |
| CN104307899A (en) * | 2014-11-13 | 2015-01-28 | 重庆龙煜精密铜管有限公司 | Process for machining special pipe |
| CN105290130A (en) * | 2015-10-14 | 2016-02-03 | 江苏华程工业制管股份有限公司 | Drawing die for round metal pipe |
| CN106734595A (en) * | 2015-11-25 | 2017-05-31 | 房县诚信汽配有限责任公司 | Round steel pipe predeformation spindle-less bend pipe mould |
| CN207695347U (en) * | 2017-12-14 | 2018-08-07 | 上海龙阳精密复合铜管有限公司 | A kind of special-shaped plug die of novel internal thread forming machine |
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2017
- 2017-12-14 CN CN201711342435.4A patent/CN107931349A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101296760A (en) * | 2005-10-28 | 2008-10-29 | 丰田自动车株式会社 | Method of correcting metal tube and correcting press metal die |
| CN101356021A (en) * | 2006-07-17 | 2009-01-28 | 最乘技 | A die assembly and a method of making it |
| CN101579697A (en) * | 2009-06-08 | 2009-11-18 | 江苏金圣铜业科技有限公司 | Method for manufacturing chromium-zirconium-copper tubes for electrode material |
| CN102218453A (en) * | 2010-04-16 | 2011-10-19 | 江苏兴荣高新科技股份有限公司 | Drawing method and drawing machine for internal-threaded pipe |
| CN202984460U (en) * | 2012-12-19 | 2013-06-12 | 宝银特种钢管有限公司 | Bending die for U-shaped pipes |
| CN103537498A (en) * | 2013-10-17 | 2014-01-29 | 天津三英焊业股份有限公司 | Flux-cored wire forming machine |
| CN104307899A (en) * | 2014-11-13 | 2015-01-28 | 重庆龙煜精密铜管有限公司 | Process for machining special pipe |
| CN105290130A (en) * | 2015-10-14 | 2016-02-03 | 江苏华程工业制管股份有限公司 | Drawing die for round metal pipe |
| CN106734595A (en) * | 2015-11-25 | 2017-05-31 | 房县诚信汽配有限责任公司 | Round steel pipe predeformation spindle-less bend pipe mould |
| CN207695347U (en) * | 2017-12-14 | 2018-08-07 | 上海龙阳精密复合铜管有限公司 | A kind of special-shaped plug die of novel internal thread forming machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453085A (en) * | 2020-09-18 | 2021-03-09 | 中国航发北京航空材料研究院 | Continuous composite extrusion cogging method for high-temperature alloy ingot casting difficult to deform |
| CN112453085B (en) * | 2020-09-18 | 2022-08-23 | 中国航发北京航空材料研究院 | Continuous composite extrusion cogging method for high-temperature alloy ingot casting difficult to deform |
| CN112474806A (en) * | 2020-12-21 | 2021-03-12 | 宁波金田铜管有限公司 | Preparation method of internal thread special-shaped copper pipe |
| CN112474806B (en) * | 2020-12-21 | 2022-09-13 | 宁波金田铜管有限公司 | Preparation method of internal thread special-shaped copper pipe |
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