CN103357688A - Perforating and extruding production method of seamless aluminum-alloy tubular product - Google Patents
Perforating and extruding production method of seamless aluminum-alloy tubular product Download PDFInfo
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- CN103357688A CN103357688A CN201310296194XA CN201310296194A CN103357688A CN 103357688 A CN103357688 A CN 103357688A CN 201310296194X A CN201310296194X A CN 201310296194XA CN 201310296194 A CN201310296194 A CN 201310296194A CN 103357688 A CN103357688 A CN 103357688A
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- pecker
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- piercing die
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Abstract
The invention discloses a perforating and extruding production method of a seamless aluminum-alloy tubular product. In a perforating phase, a perforating mold is added into an extruding barrel of an extruding machine and located between a product mould and a solid casting ingot; in a perforating process of a perforating needle, a perforating device on the perforating mould remains a tool mark on the end part of the solid casting ingot; then, after two displacements, in which the perforating needle ejects the perforating mould out of the extruding barrel and the perforating needle moves forward to a mould hole of the product mould, are carried out, the tool mark at the end part of the solid casting ingot is ejected by the perforating needle, and the aim of completely perforating is further achieved. Therefore, waste materials and production costs are reduced.
Description
Technical field
The present invention relates to the aluminum alloy seamless tube production field, particularly a kind of aluminum alloy seamless tube perforation extrusion method for producing.
Background technology
At present, when producing aluminum alloy seamless tube, usually adopt the perforation extrusion, be about in the recipient that solid ingot casting is placed on extruder, the pressurizing unit in the recipient is exerted pressure to solid ingot casting, and it is extruded formation tubing from product mold.Produce the bore hole operation that aluminum alloy seamless tube can be simplified the ingot casting casting technique and reduce ingot blank with the perforation extrusion, reduced waste material, improved production efficiency.Extruding pipe material inner surface quality better, yield rate is high, and the product no-welding-seam, is suitable for to make important primary structure member.
But, when pecker perforation arrives the final position, when namely the needle point of pecker enters in the nib of product mold, because the needs of producing, will inevitably have the slit between the nib of needle point and product mold, this has just caused in perforation procedure, and solid ingot casting can not be realized complete perforated, cause the head of the tubing produced can form solid plug and vacuum zone, vacuum zone such as untimely punching under atmospheric effect, can form the chamber of collapsing, cause waste material to increase, cost rises.
Therefore, how to improve the aluminum alloy seamless tube production technology, can realize the complete perforated of solid ingot casting, reduce the generation of waste material, reduce production costs, become the important technological problems that those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of aluminum alloy seamless tube perforation extrusion method for producing, to reach the complete perforated of realizing solid ingot casting, reduces the generation of waste material, the purpose that reduces production costs.
For achieving the above object, the invention provides following technical scheme:
A kind of aluminum alloy seamless tube perforation extrusion method for producing comprises:
1) piercing die is installed in the recipient of extruder, be located at being contained between the solid ingot casting in product mold on the workbench and the described recipient of described extruder, described piercing die comprises mold and punching machine, described mold cooperates with the inwall of described recipient, the center is provided with boss, described punching machine is arranged on the described boss, comprise thimble and perforate sword, described thimble is arranged at the center of described boss, described perforate sword one end links to each other with described thimble, and the other end is arranged on the marginal position near described boss;
2) bore a hole, press perforation on the pecker in the described recipient, when described pecker contacts described thimble, namely pecker be subject to pressure rise the time, described pecker stops, and leaves described workbench, described pecker moves on, and ejects described piercing die;
3) drive described workbench into, cooperate clamping with described recipient, described pecker advances, until the needle point of described pecker enters in the nib of described product mold, described pecker halts;
4) push, extrusion is pressed on the pressurizing unit in the described recipient, and the described solid ingot casting after the perforation is extruded formation tubing from the slit of the needle point of described pecker and the nib of described product mold.
Preferably, the side of described mold is provided with hole for hoist.
Preferably, also be provided with lifting section on the described piercing die, described lifting section is positioned on the described mold away from an end of described boss, is provided with hole for hoist on it.
Preferably, described step 1) specifically comprises:
11) drive described workbench and locking into;
12) described piercing die is lifted between described workbench and the described recipient, and it is leaned against on the described workbench;
13) move described recipient, make it near described piercing die, and described piercing die is entered in the described recipient.
Preferably, described step 2) specifically comprise:
21) described pecker stretches out 350mm with respect to described pressurizing unit, and described pressurizing unit and described pecker advance simultaneously, and the described solid ingot casting of described pressurizing unit extruding jumping-up makes it cooperate with the inwall of described recipient;
22) described pressurizing unit is stepped back 200mm～250mm, presses perforation on the described pecker, when described pecker contacts described thimble, be pecker be subject to pressure rise the time, described pecker stops, and withdraws from described workbench, described pecker moves on, and ejects described piercing die.
Preferably, the extrusion speed of described pressurizing unit is 0.8～1.5m/min.
Preferably, also comprise the needle point that uses special spanner to tighten described pecker before the described step 1), the recipient of then solid ingot casting being packed into.
Preferably, the temperature of described solid ingot casting is between 450 ℃～460 ℃, and the temperature of described recipient is between 450 ℃～480 ℃.
Can find out from such scheme, aluminum alloy seamless tube perforation extrusion method for producing provided by the invention, when the stage of perforation, piercing die has been installed in the recipient of extruder, be located between product mold and the solid ingot casting, in the process of pecker perforation, punching machine on the piercing die can stay tool marks in the end of solid ingot casting, after this, through pecker piercing die is being ejected in the nib that recipient and pecker advance to product mold after this twice displacement, the tool marks of solid ingot casting end are perforated pin and back down, and reach the purpose of complete perforated, and then the generation of minimizing waste material, reduce production costs.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of a kind of embodiment of aluminum alloy seamless tube perforation extrusion method for producing provided by the invention;
Fig. 2 is the structural representation of a kind of embodiment of piercing die provided by the invention;
Fig. 3 is the structural representation of the another kind of embodiment of piercing die provided by the invention;
Fig. 4 is the flow chart of the another kind of embodiment of aluminum alloy seamless tube perforation extrusion method for producing provided by the invention;
Fig. 5 is the flow chart of another embodiment of aluminum alloy seamless tube perforation extrusion method for producing provided by the invention.
The specific embodiment
The invention provides a kind of aluminum alloy seamless tube perforation extrusion method for producing, to reach the complete perforated of realizing solid ingot casting, reduce the generation of waste material, the purpose that reduces production costs.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
See also Fig. 1, Fig. 1 is the flow chart of a kind of embodiment of aluminum alloy seamless tube perforation extrusion method for producing provided by the invention.
A kind of aluminum alloy seamless tube perforation extrusion method for producing provided by the invention may further comprise the steps:
S1: piercing die is installed in the recipient of extruder, be located at being contained between the solid ingot casting in product mold on the workbench and the recipient of extruder, piercing die comprises mold 1 and punching machine 3, mold 1 cooperates with the inwall of recipient, and the center is provided with boss 2, and punching machine is arranged on the boss 2, comprise thimble 31 and perforate sword 32, thimble 31 is arranged at the center of boss 2, and perforate sword 32 1 ends link to each other with thimble 31, and the other end is arranged on the marginal position near boss 2;
S2: bore a hole, press perforation on the pecker in the recipient, when pecker contact thimble 31, namely pecker be subject to pressure rise the time, pecker stops, and leaves workbench, pecker moves on, and ejects piercing die;
S3: drive workbench into, cooperate clamping with recipient, pecker advances, until the needle point of pecker enters in the nib of product mold, pecker halts;
S4: push, extrusion is pressed on the pressurizing unit in the recipient, and the solid ingot casting after the perforation is extruded formation tubing from the slit of the needle point of pecker and the nib of product mold.
About the piercing die that uses among the present invention, see also Fig. 2 and Fig. 3, Fig. 2 is the structural representation of a kind of embodiment of piercing die provided by the invention; Fig. 3 is the structural representation of the another kind of embodiment of piercing die provided by the invention.
Compared with prior art, the aluminum alloy seamless tube perforation extrusion method for producing that an embodiment of the present invention provides, in the perforation stage, install piercing die additional between product mold and the solid ingot casting, in the perforation procedure, when the pecker of extruder withstands the thimble 31 of piercing die, have the sign of pressure rise, at this moment, leave product mold, pecker moves on, piercing die is ejected recipient, then drive product mold into and cooperate clamping with recipient, pecker advances to the final position, advances through twice of pecker, the tool marks cracking that solid ingot casting end punching machine 3 stays, reach in the end perforate of solid ingot casting with this, reduce the generation of waste material, the purpose that reduces production costs.
The piercing die of using in the embodiment of the invention is before perforation process, need to move and be attached in the recipient, the perforation process later stage, after pecker ejects piercing die, piercing die need to be transported, install piercing die additional for the ease of transportation, piercing die in the embodiment of the invention is provided with hole for hoist 5 in the side of mold 1, like this, just can transport piercing die by the mode of lifting, but hole for hoist 5 is arranged on the side of mold 1, can affect the length that piercing die enters the part of recipient, when the recipient insufficient clamping force, may cause potential safety hazard.According to above-mentioned shortcoming, can lifting section 6 be set at piercing die, lifting section 6 is positioned on the mold 1 end away from boss 2, hole for hoist 5 is arranged in the lifting section 6, this structure, can either realize the purpose of hoisting transportation piercing die, can guarantee that again piercing die enters the length of the part of recipient.
Among the another kind of embodiment of the present invention, see also Fig. 4, Fig. 4 is the flow chart of the another kind of embodiment of aluminum alloy seamless tube perforation extrusion method for producing provided by the invention.When having adopted this set that the piercing die of hole for hoist 5 is arranged, the step S1 of aluminum alloy seamless tube perforation extrusion method for producing specifically comprises among the another kind of embodiment of the present invention:
S11: drive workbench and locking into;
S12: piercing die is lifted between workbench and the recipient, and it is leaned against on the workbench;
S13: mobile recipient makes it near piercing die, and piercing die is entered in the recipient.
Adopt the mode of this lifting to transport piercing die, very convenient in process of production.
Can there be either large or small slit between the inwall of the recipient of solid ingot casting and extruder, in extrusion process, the axis of solid ingot casting may depart from the direction of advance of pressurizing unit, and then affect the quality of tubing, so, the invention provides another embodiment, see also Fig. 5, Fig. 5 is the flow chart of another embodiment of aluminum alloy seamless tube perforation extrusion method for producing provided by the invention.In this embodiment, the step S2 of aluminum alloy seamless tube perforation extrusion method for producing specifically comprises:
S21: pecker stretches out 350mm with respect to pressurizing unit, and pressurizing unit and pecker advance simultaneously, and the solid ingot casting of pressurizing unit extruding jumping-up makes it cooperate with the inwall of recipient;
S22: pressurizing unit is stepped back 200mm～250mm, presses perforation on the pecker, when pecker contact thimble, namely pecker be subject to pressure rise the time, pecker stops, and leaves workbench, pecker moves on, and ejects piercing die.
In perforation, solid ingot casting is carried out jumping-up, it is cooperated with the inwall of recipient, fix solid ingot casting with this.
Extrusion speed is one of most important process conditions in the aluminum alloy seamless tube perforation extrusion method for producing, quality, die life and productivity ratio etc. on product have direct impact, extrusion speed is too fast, and flow of metal heat is large, easily is bonded on the mould, and then generation waste product, extrusion speed is excessively slow, has reduced again production efficiency, therefore, in the embodiment of the invention, the extrusion speed of pressurizing unit is 0.8～1.5m/min.
Before the step S1 of the aluminum alloy seamless tube perforation extrusion method for producing that the embodiment of the invention provides, also comprise the needle point that uses special spanner to tighten pecker, the recipient of then solid ingot casting being packed into.
For in process of production, the temperature of solid ingot casting is remained in the best temperature range of plastic deformation, help the production of tubing, so in the embodiment of the invention, temperature in the recipient is controlled between 450 ℃～480 ℃, and the temperature of solid ingot casting is controlled between 450 ℃～460 ℃.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, in other embodiments realization.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. an aluminum alloy seamless tube perforation extrusion method for producing is characterized in that, comprising:
1) piercing die is installed in the recipient of extruder, be located at being contained between the solid ingot casting in product mold on the workbench and the described recipient of described extruder, described piercing die comprises mold (1) and punching machine (3), described mold (1) cooperates with the inwall of described recipient, the center is provided with boss (2), described punching machine is arranged on the described boss (2), comprise thimble (31) and perforate sword (32), described thimble (31) is arranged at the center of described boss (2), described perforate sword (32) one ends link to each other with described thimble (31), and the other end is arranged on the marginal position near described boss (2);
2) bore a hole, press perforation on the pecker in the described recipient, when described pecker contacts described thimble (31), be pecker be subject to pressure rise the time, described pecker stops, and leaves described workbench, described pecker moves on, and ejects described piercing die;
3) drive described workbench into, cooperate clamping with described recipient, described pecker advances, until the needle point of described pecker enters in the nib of described product mold, described pecker halts;
4) push, extrusion is pressed on the pressurizing unit in the described recipient, and the described solid ingot casting after the perforation is extruded formation tubing from the slit of the needle point of described pecker and the nib of described product mold.
2. aluminum alloy seamless tube perforation extrusion method for producing according to claim 1 is characterized in that, the side of described mold (1) is provided with hole for hoist (5).
3. aluminum alloy seamless tube according to claim 1 perforation extrusion method for producing, it is characterized in that, also be provided with lifting section (6) on the described piercing die, described lifting section (6) is positioned at the upper end away from described boss (2) of described mold (1), is provided with hole for hoist (5) on it.
4. according to claim 2 or 3 each described aluminum alloy seamless tubes perforation extrusion method for producing, it is characterized in that, described step 1) specifically comprises:
11) drive described workbench and locking into;
12) described piercing die is lifted between described workbench and the described recipient, and it is leaned against on the described workbench;
13) move described recipient, make it near described piercing die, and described piercing die is entered in the described recipient.
5. aluminum alloy seamless tube perforation extrusion method for producing according to claim 1 is characterized in that described step 2) specifically comprise:
21) described pecker stretches out 350mm with respect to described pressurizing unit, and described pressurizing unit and described pecker advance simultaneously, and the described solid ingot casting of described pressurizing unit extruding jumping-up makes it cooperate with the inwall of described recipient;
22) described pressurizing unit is stepped back 200mm～250mm, presses perforation on the described pecker, when described pecker contacts described thimble (31), be pecker be subject to pressure rise the time, described pecker stops, and withdraws from described workbench, described pecker moves on, and ejects described piercing die.
6. each described aluminum alloy seamless tube perforation extrusion method for producing is characterized in that according to claim 1-3, and the extrusion speed of described pressurizing unit is 0.8～1.5m/min.
7. each described aluminum alloy seamless tube perforation extrusion method for producing is characterized in that according to claim 1-3, also comprises the needle point that uses special spanner to tighten described pecker before the described step 1), the recipient of then solid ingot casting being packed into.
8. each described aluminum alloy seamless tube perforation extrusion method for producing is characterized in that according to claim 1-3, and the temperature of described solid ingot casting is between 450 ℃～460 ℃, and the temperature of described recipient is between 450 ℃～480 ℃.
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| CN201310296194.XA CN103357688B (en) | 2013-07-15 | 2013-07-15 | Perforating and extruding production method of seamless aluminum-alloy tubular product |
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| CN201310296194.XA CN103357688B (en) | 2013-07-15 | 2013-07-15 | Perforating and extruding production method of seamless aluminum-alloy tubular product |
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| CN103357688B CN103357688B (en) | 2015-06-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438407A (en) * | 2014-09-16 | 2015-03-25 | 湖北泰福瑞轻合金有限公司 | Production method of high-intensity micro speed reducer aluminum alloy shell sectional material |
| CN106914504A (en) * | 2015-12-25 | 2017-07-04 | 北京有色金属研究总院 | A kind of middle high-strength aluminum alloy seamless pipe technological process of extruding |
| CN111085600A (en) * | 2019-12-13 | 2020-05-01 | 青海中钛青锻装备制造有限公司 | Pipe perforating method |
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| US5533375A (en) * | 1994-07-14 | 1996-07-09 | Industrial Technology Research Institute | Method for making seamless tubes from hollow billets |
| WO2004078379A1 (en) * | 2003-03-05 | 2004-09-16 | Iouri Vasilievich Martemianov | Method for producing infinitely long products |
| CN2925666Y (en) * | 2006-06-30 | 2007-07-25 | 陈啟炜 | Puncture extruder for producing aluminum-alloy seamless pipe |
| CN202621609U (en) * | 2012-05-30 | 2012-12-26 | 佛山市深达美特种铝合金有限公司 | Aluminum alloy seamless tube perforation device |
| CN103028627A (en) * | 2012-12-29 | 2013-04-10 | 中国重型机械研究院股份公司 | Combined piercing double-action extruding device and method |
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2013
- 2013-07-15 CN CN201310296194.XA patent/CN103357688B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5533375A (en) * | 1994-07-14 | 1996-07-09 | Industrial Technology Research Institute | Method for making seamless tubes from hollow billets |
| WO2004078379A1 (en) * | 2003-03-05 | 2004-09-16 | Iouri Vasilievich Martemianov | Method for producing infinitely long products |
| CN2925666Y (en) * | 2006-06-30 | 2007-07-25 | 陈啟炜 | Puncture extruder for producing aluminum-alloy seamless pipe |
| CN202621609U (en) * | 2012-05-30 | 2012-12-26 | 佛山市深达美特种铝合金有限公司 | Aluminum alloy seamless tube perforation device |
| CN103028627A (en) * | 2012-12-29 | 2013-04-10 | 中国重型机械研究院股份公司 | Combined piercing double-action extruding device and method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438407A (en) * | 2014-09-16 | 2015-03-25 | 湖北泰福瑞轻合金有限公司 | Production method of high-intensity micro speed reducer aluminum alloy shell sectional material |
| CN106914504A (en) * | 2015-12-25 | 2017-07-04 | 北京有色金属研究总院 | A kind of middle high-strength aluminum alloy seamless pipe technological process of extruding |
| CN106914504B (en) * | 2015-12-25 | 2019-02-05 | 北京有色金属研究总院 | A kind of middle high-strength aluminum alloy seamless pipe technological process of extruding |
| CN111085600A (en) * | 2019-12-13 | 2020-05-01 | 青海中钛青锻装备制造有限公司 | Pipe perforating method |
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| CN103357688B (en) | 2015-06-10 |
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