CN104722592A - Extrusion die for metal tube - Google Patents
Extrusion die for metal tube Download PDFInfo
- Publication number
- CN104722592A CN104722592A CN201310710174.2A CN201310710174A CN104722592A CN 104722592 A CN104722592 A CN 104722592A CN 201310710174 A CN201310710174 A CN 201310710174A CN 104722592 A CN104722592 A CN 104722592A
- Authority
- CN
- China
- Prior art keywords
- core rod
- rod seat
- metal tube
- extrusion die
- outer peripheral
- 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
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides an extrusion die for a metal tube. The extrusion die comprises a mold core seat, wherein the outer peripheral surface of the mold core seat is free of a runner, a shape formed by enclosure of the outer peripheral surface is elliptical on the cross section of the mold core seat, and the feeding part of the mold core seat is close to the long axis end position of the ellipse. The extrusion die provided by the invention balances the distribution amount of a molten metal material at each position of the elliptical outer peripheral surface, enables the extrusion amount of the molten metal material at each position of the circumference of a discharging outlet to be balanced to a greatest extent, reduces, even avoids the phenomena of different thickness of different positions at the circumference of the metal tube and an irregular excircle shape of the metal tube, and substantially improves production quality of the metal tube.
Description
Technical field
The present invention relates to tubing production equipment technical field, more particularly, relate to a kind of extrusion die of metal tube.
Background technology
In modern industrial technology, metal pipe material is widely used in numerous areas to play different effects, such as in cable industry, metal tube (aluminum pipe or copper pipe) to be covered by outside heart yearn playing armouring, electrostatic screen, block water and the multiple effect such as conducting failure electric current.
In the prior art, the production technology of metal tube generally comprises sector boss formula production method and continuous production method.Wherein, the production process of sector boss formula production method first produces the pipeline section of a section regular length, and then many pipeline sections are connected into the tubing meeting process length.Although this kind of production method production technology is comparatively ripe, it cannot realize the unremitting continuous seepage of tubing, and production efficiency is lower.Cannot quantity-produced problem in order to solve metal tube, people work out metal tube quantity-produced method, namely adopt solid metal as material material, metallic rod is rubbed continuously by extruder (please refer to the Chinese patent that application number is 200910144064.8) and extrudes, solid-state metal pole stock is made to be converted into the metal material of molten state, then flow in the extrusion die of extruder, extrusion die comprises die holder and is arranged on the core rod seat (die holder and core rod seat are all cylindrically) in die holder inner chamber, wherein die holder is provided with the charging hole running through its sidewall, core rod seat is provided with the runner with charging aperture conducting, core rod seat is arranged on die holder inwall, each runner is made to coordinate with die holder inwall the pressing cavity being formed and have closed sidewall, and runner axially extends to pressing cavity along core rod seat, the metal material of molten state flow into charging aperture by this charging hole and flows in pressing cavity through charging aperture, and the circular discharge outlet of core rod seat and die holder cooperation formation is flow to eventually through pressing cavity, the metal material of molten state continuously extrudes formation metal tube at circular discharging opening.
But, the continuous production method of this kind of metal tube also also exists certain defect: because each runner be arranged on core rod seat outer peripheral face be all along core rod seat axis extend and the quantity of runner only has 4, thus make 4 pressing cavity formed all along the axial distribution of core rod seat, when the flowing pressure that molten metal material in the different pressing cavity of circumference distribution is subject to is different, the axial extrusion pressure that molten metal material on circular discharging opening different parts will be caused to be subject to is uneven, and then often cause different position in the metal tube circumference produced to there is difference in thickness, outer circular shape is irregular, have a strong impact on the product quality of metal tube.
Therefore, how under the prerequisite of continuous seepage metal tube, improving the product quality of metal tube further, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of extrusion die of metal tube, it under the prerequisite of continuous seepage metal tube, can improve the product quality of metal tube further.
In order to achieve the above object, the invention provides following technical scheme:
A kind of extrusion die of metal tube, comprise core rod seat, wherein, without runner on the outer peripheral face of described core rod seat, and shape ovalize on the cross section of described core rod seat that described outer peripheral face surrounds, and the charging position of described core rod seat is near the major axis end points position of described ellipse.
Preferably, in the extrusion die of above-mentioned metal tube, the charging position of described core rod seat is the major axis end points position of described ellipse.
Preferably, in the extrusion die of above-mentioned metal tube, described core rod seat coordinates the discharge outlet formed to be provided with annular blocking material ring with the die holder of described extrusion die.
Preferably, in the extrusion die of above-mentioned metal tube, described blocking material ring is set in the outside of described core rod seat, and is fixed on described die holder.
Preferably, in the extrusion die of above-mentioned metal tube, described die holder coordinates with described core rod seat the inwall installed, and its cross sectional shape is oval.
In the extrusion die of metal tube provided by the invention, the outer peripheral face of core rod seat no longer arranges runner, and the metal material of molten state is directly flowed on the whole outer peripheral face of core rod seat, thus the metal material of molten state is distributed on core rod seat more even, and in order to avoid the metal material of molten state is because of self gravitation, its abundance that position is set at core rod seated connection nearly vertical direction is caused to reduce, the outer peripheral face of core rod seat is transformed, the shape ovalize making it surround, and the charging position of core rod seat is arranged on the position of the major axis end points near this ellipse, this makes it possible to make the metal material of molten state under self gravitation effect, flow to close to the less position of the radian of vertical direction setting from the position that elliptic arc length is larger, and due to the position radian arranged close to vertical direction less, thus the actual internal area increase that the metal material being molten state is reserved, the metal material that so just can increase molten state increases in the position abundance of ellipse close to vertical direction, to play proportionality action to the abundance of metal material of the molten state being distributed in each position, elliptical periphery face, what the metal material of molten state was extruded on each position of discharging opening circumference measures maximum equilibrium, minimizing even avoids positions different in metal tube circumference and there is difference in thickness, the irregular phenomenon of outer circular shape, the quality of production of metal tube is made to obtain significant lifting.
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 some embodiments of the present 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 these accompanying drawings.
The structural representation that in the extrusion die of the metal tube that Fig. 1 provides for the embodiment of the present invention, core rod seat and die holder coordinate;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the structural representation of blocking material ring;
Fig. 4 is the structural representation that core rod seat, die holder and blocking material ring coordinate;
Fig. 5 is the front view of Fig. 4.
In above Fig. 1-Fig. 5:
Core rod seat 1, outer peripheral face 2, die holder 3, blocking material ring 4.
Detailed description of the invention
The invention provides a kind of extrusion die of metal tube, it under the prerequisite of continuous seepage metal tube, can improve the product quality of metal tube further.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As Figure 1-Figure 5, at Fig. 1, Fig. 2, in Fig. 4 and Fig. 5, the metal material of molten state that what dotted arrow represented is flows into direction and the position of core rod seat 1, the extrusion die of a kind of metal tube that the embodiment of the present invention provides, comprise core rod seat 1, wherein, the outer peripheral face 2 of core rod seat 1 does not arrange runner, flow on whole outer peripheral face 2 to enable the metal material of molten state, and shape ovalize on the cross section of core rod seat 1 that outer peripheral face 2 surrounds, and operationally, the charging position of core rod seat 1 is positioned at the top of core rod seat 1 and the major axis end points position of close ellipse, as depicted in figs. 1 and 2.
In the extrusion die of the metal tube that the present embodiment provides, the outer peripheral face 2 of core rod seat 1 no longer arranges runner, and make the metal material of molten state directly on the whole outer peripheral face 2 of core rod seat 1 flow, thus the metal material of molten state is distributed on core rod seat 1 more even.
As Fig. 1, Fig. 2, shown in Fig. 4 and Fig. 5, the metal material of molten state flows to outer peripheral face 2 from the top of core rod seat 1, the metal material of molten state is while the flowing along the axis direction of core rod seat 1 to discharging opening, under the effect of squeeze pressure, the metal material of molten state also can along outer peripheral face 2 circumferential flow, namely from top and the bottom inflow of core rod seat 1, in the process of this circumferential flow, due to the effect of squeeze pressure, the metal material of molten state is larger in the abundance of core rod seat 1 top and bottom, then relatively less in the abundance of the side locations of the core rod seat 1 arranged close to vertical direction, this will cause the metal material of molten state in the process flowed to discharging opening, skewness weighing apparatus in the circumference of core rod seat 1.
And reduce in the abundance of the side locations of core rod seat 1 in order to avoid the metal material of molten state, the outer peripheral face 2 of the present embodiment to core rod seat 1 is transformed, make the shape ovalize that outer peripheral face 2 surrounds, and the charging position of core rod seat 1 is arranged on the position of the major axis end points near this ellipse, this makes it possible to make the metal material of molten state under the effect of squeeze pressure, flow to close to the less side locations of the radian of vertical direction setting from the tip position that elliptic arc length is larger, and due to the side locations radian arranged close to vertical direction less, outer peripheral face 2 is caused to cave in the direction near core rod seat 1 center of circle, thus the actual internal area increase that the metal material being molten state is reserved, the metal material that so just can increase molten state increases in the position abundance of ellipse close to vertical direction, to play proportionality action to the abundance of metal material of the molten state being distributed in each position, elliptical periphery face 2, what the metal material of molten state was extruded on each position of discharging opening circumference measures maximum equilibrium, minimizing even avoids positions different in metal tube circumference and there is difference in thickness, the irregular phenomenon of outer circular shape, the quality of production of metal tube is made to obtain significant lifting.
In the present embodiment, by cancellation runner and double optimization mode outer peripheral face 2 being set to ellipsoidal cross section, what make the metal material of molten state distribute on core rod seat 1 as much as possible is more even, the quality of production of metal tube is obtained and promotes more significantly.
In order to optimize technique scheme further, in the extrusion die of the metal tube that the present embodiment provides, the charging position of core rod seat 1 is oval major axis end points position.The charging position of core rod seat 1 is set to oval major axis end points position, namely charging position is positioned at the middle part of core rod seat 1 top and bottom, as shown in Figure 1, Figure 2, in Fig. 4 and Fig. 5 shown in dotted arrow, this kind of set-up mode, advantageously in the metal material of molten state being uniformly distributed on outer peripheral face 2, farthest improves the harmony of the metal material abundance of molten state on outer peripheral face 2.
Concrete, core rod seat 1 coordinates the discharge outlet formed to be provided with blocking material ring 4 with the die holder 3 of extrusion die.And blocking material ring 4 is set in the outside of core rod seat 1, and be fixed on die holder 3.In order to the different discharging opening of actual internal area can be formed, the present embodiment coordinates the discharge outlet formed to be provided with the blocking material ring 4(of annular as shown in Figure 3 at core rod seat 1 with the die holder 3 of extrusion die), thus discharging opening blocking material ring 4 and core rod seat 1 being coordinated formed the upper actual internal area of circumference different, as shown in Figure 4 and Figure 5.So just can avoid transforming other parts of extrusion die, reduce transformation difficulty and improvement cost.The present embodiment preferably this blocking material ring 4 is fixed on die holder 3.Certainly, do not affecting under its prerequisite normally worked, blocking material ring 4 also can be arranged on the miscellaneous part of extrusion die.
Preferably, die holder 3 coordinates with core rod seat 1 inwall installed, and its cross sectional shape is oval.Under the prerequisite that blocking material ring 4 is set, can transform die holder 3, make its cross sectional shape for oval, this makes it possible to better coordinate with the core rod seat 1 with elliptical periphery face 2, improve processing quality.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
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 these embodiments, 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 these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. the extrusion die of a metal tube, comprise core rod seat (1), it is characterized in that, the outer peripheral face (2) of described core rod seat (1) is upper without runner, and shape ovalize on the cross section of described core rod seat (1) that described outer peripheral face (2) surrounds, and the charging position of described core rod seat (1) is near the major axis end points position of described ellipse.
2. the extrusion die of metal tube according to claim 1, is characterized in that, the charging position of described core rod seat (1) is the major axis end points position of described ellipse.
3. the extrusion die of metal tube according to claim 1, is characterized in that, described core rod seat (1) coordinates the discharge outlet formed to be provided with annular blocking material ring (4) with the die holder (3) of described extrusion die.
4. the extrusion die of metal tube according to claim 3, is characterized in that, described blocking material ring (4) is set in the outside of described core rod seat (1), and is fixed on described die holder (3).
5. the extrusion die of metal tube according to claim 4, is characterized in that, described die holder (3) coordinates with described core rod seat (1) inwall installed, and its cross sectional shape is oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310710174.2A CN104722592B (en) | 2013-12-19 | 2013-12-19 | Extrusion die for metal tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310710174.2A CN104722592B (en) | 2013-12-19 | 2013-12-19 | Extrusion die for metal tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104722592A true CN104722592A (en) | 2015-06-24 |
| CN104722592B CN104722592B (en) | 2017-04-12 |
Family
ID=53447346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310710174.2A Active CN104722592B (en) | 2013-12-19 | 2013-12-19 | Extrusion die for metal tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104722592B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840667A (en) * | 2017-11-09 | 2018-03-27 | 江苏九天高科技股份有限公司 | A kind of control method of Tubular Ceramic Substrate sintering warpage and application |
| CN112620372A (en) * | 2020-12-23 | 2021-04-09 | 太原理工大学 | Mold and method for preparing magnesium alloy plate strip with weak basal plane texture by continuous differential extrusion |
| CN114111006A (en) * | 2021-11-11 | 2022-03-01 | Tcl空调器(中山)有限公司 | Fresh air pipe and forming process thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE971985C (en) * | 1943-07-31 | 1959-05-06 | Siemens Ag | Cross head for extrusion presses, in particular cable jacketing presses, for processing aluminum or the like. Metal of higher strength than lead |
| JPS6024219A (en) * | 1983-07-19 | 1985-02-06 | Sumitomo Electric Ind Ltd | Manufacture of composite material |
| JPS6152928A (en) * | 1984-08-23 | 1986-03-15 | Furukawa Electric Co Ltd:The | Continuous extrusion device of composite wire |
| CN101607277A (en) * | 2009-07-08 | 2009-12-23 | 合肥神马科技股份有限公司 | Extruder |
| CN201524713U (en) * | 2009-10-26 | 2010-07-14 | 浙江晨光电缆股份有限公司 | Cable extruded-aluminium mold |
| CN101856677A (en) * | 2010-04-30 | 2010-10-13 | 合肥神马科技股份有限公司 | Mold core |
| CN203649034U (en) * | 2013-12-19 | 2014-06-18 | 合肥神马科技集团有限公司 | Extrusion die of metal pipe |
-
2013
- 2013-12-19 CN CN201310710174.2A patent/CN104722592B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE971985C (en) * | 1943-07-31 | 1959-05-06 | Siemens Ag | Cross head for extrusion presses, in particular cable jacketing presses, for processing aluminum or the like. Metal of higher strength than lead |
| JPS6024219A (en) * | 1983-07-19 | 1985-02-06 | Sumitomo Electric Ind Ltd | Manufacture of composite material |
| JPS6152928A (en) * | 1984-08-23 | 1986-03-15 | Furukawa Electric Co Ltd:The | Continuous extrusion device of composite wire |
| CN101607277A (en) * | 2009-07-08 | 2009-12-23 | 合肥神马科技股份有限公司 | Extruder |
| CN201524713U (en) * | 2009-10-26 | 2010-07-14 | 浙江晨光电缆股份有限公司 | Cable extruded-aluminium mold |
| CN101856677A (en) * | 2010-04-30 | 2010-10-13 | 合肥神马科技股份有限公司 | Mold core |
| CN203649034U (en) * | 2013-12-19 | 2014-06-18 | 合肥神马科技集团有限公司 | Extrusion die of metal pipe |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840667A (en) * | 2017-11-09 | 2018-03-27 | 江苏九天高科技股份有限公司 | A kind of control method of Tubular Ceramic Substrate sintering warpage and application |
| CN112620372A (en) * | 2020-12-23 | 2021-04-09 | 太原理工大学 | Mold and method for preparing magnesium alloy plate strip with weak basal plane texture by continuous differential extrusion |
| CN112620372B (en) * | 2020-12-23 | 2022-05-24 | 太原理工大学 | Mold and method for preparing weak basal plane texture magnesium alloy plate strip through continuous differential extrusion |
| CN114111006A (en) * | 2021-11-11 | 2022-03-01 | Tcl空调器(中山)有限公司 | Fresh air pipe and forming process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104722592B (en) | 2017-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104722591A (en) | Extruding machine for continuously producing metal tubes | |
| CN104722592A (en) | Extrusion die for metal tube | |
| CN203649034U (en) | Extrusion die of metal pipe | |
| CN205183358U (en) | Toper channels into tube drawing mould | |
| CN205183360U (en) | Arc channels into tube drawing mould | |
| CN203484431U (en) | Extrusion die of metal tubes | |
| CN208841790U (en) | A kind of stopper assembly drag-line plastic-coated rope process units | |
| CN208962537U (en) | The continuously shaped equipment of seamless aluminium tubing of interior tyre coating | |
| CN203578432U (en) | Extruding mold of metal pipe | |
| CN103817166B (en) | A kind of water-cooled extruding mold sleeve and preparation method thereof | |
| CN105729753A (en) | Multi-head-body rubber and plastic extruder head | |
| CN104550294A (en) | Extrusion die for metal tube | |
| CN104550293A (en) | Extrusion die for metal tube | |
| CN102543319B (en) | Material flow divider for flat cable | |
| CN203484430U (en) | Extrusion die of metal tubes | |
| CN203842939U (en) | Extruder for continuously producing metal tubes | |
| CN104550295A (en) | Extrusion die for metal tube | |
| CN209168828U (en) | A kind of high pressure insulator die core model set | |
| CN202534443U (en) | Twisting mold of metal wire for cable | |
| CN207845747U (en) | A kind of circle air knife | |
| CN205291521U (en) | A do not shut down line changing device for power cable extruder | |
| CN102152462B (en) | Pipe extruding mold | |
| CN202753387U (en) | Extrusion mould | |
| CN208215965U (en) | A kind of cable skin molding die | |
| CN204996843U (en) | Extrusion molding mould of duralumin ribbon line |
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 |