CN1313151A - Extruder for seamless Cu-Al pipes - Google Patents
Extruder for seamless Cu-Al pipes Download PDFInfo
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- CN1313151A CN1313151A CN 00102956 CN00102956A CN1313151A CN 1313151 A CN1313151 A CN 1313151A CN 00102956 CN00102956 CN 00102956 CN 00102956 A CN00102956 A CN 00102956A CN 1313151 A CN1313151 A CN 1313151A
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- ingot
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Abstract
An extruding press of seamless copper (or aluminium) alloy pipe is composed of jaw-type extruding rod, dual-located sizing extruding pin, ingot holding drum, extruding pad, hollow copper (or aluminium) alloy rod, axle center fixed die, guiding unit and die sleeve.
Description
Full name of the present invention is for leading the two centering in position jaw seamless Cu-Al pipes pressurizing unit (seeing Figure of description).
The present invention is a kind of mechanized equipment that non-ferrous metals industry is passed through pressure processing production of copper aluminum seamless tubing.
In at present traditional copper aluminum seamless tubing extruding industry, (its operation principle is seen Figure of description 10, extrusion axis to the reverse extrusion of the general employing of this seamless pipe product; 2, dummy block; 3, mould; 4, ingot casting; 5, ingot-containing tube; 6, extruding pin), and solid ingot double action punching bar extrusion (its operation principle is seen accompanying drawing 11,1, ingot-containing tube; 2, punching bar; 3, die sleeve; 4, pressure ram; 5, dummy block; 6, aluminium ingot; 7, mould; 8, die-cushion), hollow ingot servo-actuated pin and locking pin extrusion (see accompanying drawing 12,1, the extruding pin; 2, mould; 3, ingot-containing tube; 4, aluminium ingot; 5, dummy block; 6, extrusion axis; Accompanying drawing 13,1, the extruding pin; 2, mould; 3, ingot-containing tube; 4, aluminium ingot; 5, dummy block; 6, extrusion axis; 7, pin supporting) process such as.
In view of present indirect extrusion machine is constructed comparatively complicated, particularly oppositely the design of the Work tool of extruding is bigger with its technical difficulty of manufacturing, the structure of indirect extrusion machine is still very imperfect simultaneously, unstable product quality, the product cut lengths is limited, therefore, in present production, it is used range and can not show a candle to the forward extrusion method.Its hollow ingot servo-actuated pin extrusion in present forward extrusion method, because the servo-actuated pin is in extrusion process, the selection of its diameter is subjected to the restriction of tensile strength, cause the internal diameter of finished product tubing will be difficult to the diameter extruding to produce＜tubing of 5mm, if extruding pin diameter is too small, then very easily breaks and influence production; Simultaneously since servo-actuated pin front end operate portions with initial cooperation of mold work portion belong to the cooperation of radially delocalization formula, so product very easily produces off-centre and influences product quality, and that internal surface of pipe is also owed is smooth.Hollow ingot locking pin extrusion is applied on the double action extruder, the control of its displacement of double action machine locking pin and location, be to adopt hydraulic mechanism to control the motion mode of its location in telescopic pressure ram, so machine-building process and processing technology are comparatively complicated, required precision is higher; In use simultaneously, because the temperature of ingot-containing tube can improve constantly in the uniform temperature interval in a period of time, cause telescopic its temperature of pressure ram inwall in extrusion process, also can raise, therefore, can cause the sealing between telescopic pressure ram inwall and extruding pin Hydraulic Power Transmission System, since operation under hot environment for a long time, and influence its sealing property.
The present invention adopts forward extrusion, can transform on traditional copper aluminium section bar extruder, can realize the production process of jaw rod-type locking pin forward extrusion copper aluminum seamless tubing; Its parts title and structure that realizes the squeezing seamless pipe device is: (1) jaw formula pressure ram (seeing Figure of description three); (2) two location sizing formula extruding pins (see that Figure of description four, 1, tail fin metering pin support; 2, support works parts; 3, sizing workpiece; 4, fixed bolt hole); (3) ingot-containing tube (is seen Figure of description five, 1, two location sizing formula extruding pin (2) tail fin dowel hole; 2, coaxial core type mould (6) dowel hole; 3, fixed bolt hole); (4) dummy block (is seen Figure of description six, 1, rear panel pad; 2, anter pad); (5) hollow copper or aluminium alloy bars (seeing Figure of description seven); (6) coaxial core type mould (seeing Figure of description eight); (7) lead a device (seeing Figure of description nine); The process of aforementioned its combination of parts is (seeing explanation accompanying drawing one), at first two location sizing formula extruding pin (2) is fixed on the ingot-containing tube (3), to lead a device (7) then and put into dead axle core type mould (6), thereafter again with (6), (7) put into die sleeve (8) jointly, insert dummy block (4) and hollow copper or aluminium alloy bars (5) in the middle of the position of ingot-containing tube (3) and die sleeve (8) this moment again, directed mobile by ingot-containing tube (3) to chess cover (8) direction, and make it dwindle the displacement process of its spacing, dummy block (4) and hollow copper or aluminium alloy bars (5) can be clamp-oned in the ingot-containing tube (3), and make two location sizing formula extruding pins (2) penetrate the endoporus of dummy block (4) and hollow copper or aluminium alloy bars (5), and what the lucky embedding of sizing operate portions of two location sizing formula extruding pin (2) had been set in its endoporus of dead axle core type mould (6) leads the leading in the inner chamber an of device (7), and the mode of its combination is seen shown in the Figure of description two.Start extruder this moment.Make the front end of jaw formula pressure ram (1) embed the tail fin of two location sizing formula extruding pins (2), and contact compacting dummy block (4), then extrusion process begins.Owing to the design feature of dummy block (4), can realize not having the defective material extruding with coaxial core type mould (6).Realize the aforementioned journey that pushes through, can be at present traditional hydraulicdriven forward copper or aluminium section bar extruder, the technical application transformation gets final product, about 1.0～6.0 ten thousand yuan of its improvement expenses, its complexes transformation and manufacturing cycle are 5～25 days, and the Installation and Debugging time only is 2.0～4.0 hours.Also can push operation principle in view of the above, make the forward and the indirect extrusion machine of squeezing seamless pipe specially.
The extrusion process process that the present invention forms in actual applications, can realize the fashion of extrusion work of working continuously by general section bar extruder; Figure of description two, 1, jaw formula pressure ram (are seen in the rear end that is fixed on ingot-containing tube (3) when an end of two location sizing formula extruding pin (2); 2, two location sizing formula extruding pins; 3, ingot-containing tube; 4, dummy block; 5, hollow copper or aluminium alloy bars; 6, coaxial core type mould; 7, lead a device; 8, die sleeve), its pair location sizing formula extruding pin (2) operate portions front end also is embedded in it and is fixed on identical with the internal diameter of producing given product and through among the accurate mach endoporus of leading a device (7), thereby make the extruding pin produce two orientation effects, and make two location sizing formula push the axial line and the ingot-containing tube (3) of pins (2) simultaneously, the axial line of leading a device (7) and coaxial core type mould (6) overlaps and is straight line, lead a fashion of extrusion of two centering locking pins with realization, and guarantee the concentricity of product with this.
Higher to concentricity requirement in view of seamless circular tubing and special-shaped seamless tubing, and the fit tolerance between conventional extruder mould and die sleeve is bigger.So among the present invention, after two location sizing formula extruding pin (2) tail fin alignment pin inserts in the dowel hole of ingot-containing tube (3) rear end face (seeing Figure of description 2), be fixed on the ingot-containing tube (3) with the tail fin of bolt again two location sizing formula extruding pin (2), not only can make itself and ingot-containing tube (3) keep concentric, also can be convenient to the operational process of craft of rod and dummy block.Its coaxial core type mould (6) is also processed two protrusion alignment pins with the contacted end face of ingot-containing tube (3) among the present invention simultaneously, when ingot-containing tube (3) to axial center type mould (6) when direction moves, then in two recessed locating holes on alignment pin insertion ingot-containing tube (3) end face, thereby realize two location sizing formula extruding pins (2), the coaxial core type mould of ingot-containing tube (3) (6) Trinity, its geometric center overlaps on same axis, thereby stablizes its extrusion process process.Use when this equipment is continuous to be produced, its dummy block (4) is a biplate fabricated structure (seeing Figure of description 6), but anter dummy block endoporus is the hypertonic type; The starting point of this structural design is after two location sizing formula extruding pins (2) squeeze out first aluminium bar, its surface will coat the very not thin very uniformly aluminium lamination of one deck, if with traditional dummy block structure, when then continuing for rod production, can make when dummy block is installed and produce very big resistance, so rear panel dummy block internal orifice dimension Φ value is Φ
2+ 2.0mm, wherein φ
2Push the diameter of phi of the support works parts of pin (2) for two location sizing formula
2And preceding chip architecture (seeing Figure of description 6) but its endoporus hypertonic is convenient to adapt to two location sizing formulas extruding pin (2) Φ
2Variation.
The mounting means of aforesaid two location sizing formula extruding pins (2) and ingot-containing tube (3), hollow alloy bar of its copper or aluminium and traditional section bar forward extrusion machine are with the equal in length of copper or aluminium alloy bars, its loss of weight percentage that forms endoporus is between the 5.0%------8.O%, so can produce the seamless tubular goods of longer scale.
Because this seamless pipe pressurizing unit can manufacture a kind of combined type special-purpose member, therefore, this device gets final product online installing on traditional section bar forward extrusion machine, be used as a kind of corollary apparatus or standby redundancy, so that according to production requirement, at any time online this device of installation can be produced seamless copper or aluminium alloy pipe.Simultaneously, the hydraulicdriven single action of also available this technology manufacturing different size model (tonnage) is extruder forward or backwards, be used as the equipment of professional squeezing seamless pipe, produce the seamless copper or the aluminium alloy pipe of different size model for manufacturer according to the market demand.
Claims (8)
1, the present invention is a kind of mechanical device or the equipment of non-ferrous metal pressure processing industry production copper or aluminium alloy seamless tubing, it is characterized in that:
A. by described mechanical device of claim 1 or equipment, its pressure ram is a jaw formula pressure ram (1);
It opens a slotted eye that H is high in L length, and mills one directly in the centre of its slotted eye
The footpath is φ
1Circular hole, its integral finish is the jaw formula.φ in the jaw formula pressure ram (1)
1,
The span of its value is φ 1=φ
2+ 1.5mm; φ wherein
2Be two location sizing formula extruding pin
(2) diameter of workpiece (2) in; And L value span is L=L
1+ B+12.0mm
L wherein
1Be the length of ingot-containing tube (3), B is that two locate modes are pushed the middle tail fin of pins (2)
Width; H value value in the jaw pressure ram (1) is H=C+1.2mm.Wherein C is for fixed
The gauge of tail fin in the position formula extruding pin (2);
B. by described mechanical device of claim 1 or equipment, its pair location sizing formula is pushed pin (2)
In parts (1) be the sizing workpiece, parts (2) are the support works parts; And sizing
Its diameter phi of workpiece
3With the internal diameter size of final products seamless pipe in the margin of tolerance mutually
Deng.But the geometric cross section of its sizing workpiece both can be circular, can also be oval,
Various rules such as rectangle, triangle and the figure of eight and irregularly press several that actual product needs
What figure is manufactured; And the screw thread that is combined between sizing workpiece and support works parts combines and (sees
Figure of description table 4), so the geometric shape size φ of sizing workpiece
3Its full-size is got
The value scope should be not more than the φ in the support works parts
2Size is if need in the difference in producing
During the seamless heterotype tubing product of hole geometry, the sizing that can in operation discomfort be required then
Workpiece unloads, and more suitable sizing workpiece is installed on the support works parts, and is right
After change coaxial core type mould (6) again and can produce corresponding product.The support works parts
The selection of middle A size, in the design of support works parts, must be greater than ingot-containing tube (3)
φ
5, be generally A=φ
5+ 30mm+ φ 6; φ wherein
6Two fixed on the ingot-containing tube (3)
The dowel hole diameter of position sizing formula extruding pin (2);
C. described this mechanical device of claim 1 or equipment, the rear end face of its ingot-containing tube (3),
Boring two at A spacing dimension place is φ
6Dowel hole, its φ
6Size to get two location fixed
The φ of footpath formula extruding pin (2)
4The plus tolerance of size gets final product.Two dowel hole horizontal center lines with
Ingot-containing tube (3) φ
5Horizontal center line overlap, and clamp jointly with jaw formula pressure ram (1)
The horizontal line of mouth direction overlaps;
D. by described this device of claim 1 or equipment, it leads the profile of a device (8) cross section
Size and geometry are equal to the geometry in final products cross section, are through mach
The part of high-precision final products; In the production at first with it from concentric mould (6)
The rear end can make the sizing workpiece embedding of two location extruding pins (2) like this by manually being bumped into
Go into its endoporus;
2, by described this device of claim 1 or equipment, the locate mode of its pair location sizing formula extruding pin is to be finished by two dowel holes of ingot-containing tube (3) rear end plane milling and the device (8) of leading that is embedded in coaxial core type mould (6) endoporus; And make its pair location sizing formula extruding pin (2) of doing in the proper way in extrusion process, fix its position thus to determine the concentricity of product;
3, by the part that a device (8) is the desired final pipe material product that formed by accurate machined of leading in described device of claim 1 or the equipment, it is embedded in coaxial core type dies cavity, thereby the position of the sizing workpiece of two locate mode extruding pins (2) is fixed;
4, by described this device of claim 1 or equipment.It is lifted the ingot support and can be installed between jaw formula pressure ram (1) and the ingot-containing tube (3), also can be installed between ingot-containing tube (3) and the die sleeve (7);
5, by described this device of claim 1 or equipment, its coaxial core type mould (6) and the contacted end face of ingot-containing tube (3), process two convex type alignment pins, and the dowel hole of two concave types of corresponding end face processing of ingot-containing tube (3), when coaxial core type mould (6) overlaps with its end face of ingot-containing tube (3), promptly realize the positioning function of the two;
6, by described this device of claim 1 or equipment, after the tail fin alignment pin of two location sizing formula extruding pin (2) inserted the dowel hole of ingot-containing tube rear end face, promptly bolt was fixed on two location sizing formula extruding pin (2) on the ingot-containing tube;
7, by described this device of claim 1 or equipment, its dummy block is divided into back pad, foremast, and the back pad is that its diameter of bore of dummy block of corresponding pressure ram direction is φ
2+ 2.0mm, wherein φ
2Diameter for two location sizing formula extruding pin (2) support component; But the internal diameter of foremast is the hypertonic structure;
8, by described this device of claim 1 or equipment, realize in can on traditional copper or aluminium section bar extruder, transforming, also can make the two centering in the position jaw seamless Cu-Al pipes extruding of leading of different size and model and equip, also principle is made indirect extrusion machine tool equipment in view of the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001029568A CN1186138C (en) | 2000-03-10 | 2000-03-10 | Extruder for seamless Cu-Al pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001029568A CN1186138C (en) | 2000-03-10 | 2000-03-10 | Extruder for seamless Cu-Al pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1313151A true CN1313151A (en) | 2001-09-19 |
| CN1186138C CN1186138C (en) | 2005-01-26 |
Family
ID=4576669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001029568A Expired - Fee Related CN1186138C (en) | 2000-03-10 | 2000-03-10 | Extruder for seamless Cu-Al pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1186138C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170981A (en) * | 2008-10-03 | 2011-08-31 | 西贝尔成型解决方案有限公司 | Method and device for the non-cutting production of an outside thread on hollow metal work pieces |
| CN102240696A (en) * | 2011-05-18 | 2011-11-16 | 金川集团有限公司 | Method for preparing copper and copper alloy pipes |
| CN102574180A (en) * | 2009-10-02 | 2012-07-11 | 丹尼尔和科菲森梅克尼齐有限公司 | Pressure ring for extrusion press and extrusion press comprising such a pressure ring |
| CN110202019A (en) * | 2019-07-03 | 2019-09-06 | 安徽澳德矿山机械设备科技股份有限公司 | A kind of preparation method of bimetallic pipe billet and its prepare mold |
| CN111375644A (en) * | 2019-11-13 | 2020-07-07 | 内蒙古兰太实业股份有限公司 | Guide mechanism for sodium rod extrusion molding machine |
| CN112658054A (en) * | 2020-12-28 | 2021-04-16 | 东北轻合金有限责任公司 | Extrusion method of rectangular pipe |
-
2000
- 2000-03-10 CN CNB001029568A patent/CN1186138C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170981A (en) * | 2008-10-03 | 2011-08-31 | 西贝尔成型解决方案有限公司 | Method and device for the non-cutting production of an outside thread on hollow metal work pieces |
| CN102170981B (en) * | 2008-10-03 | 2014-04-16 | 西贝尔成型解决方案有限公司 | Method and device for the non-cutting production of an outside thread on hollow metal work pieces |
| CN102574180A (en) * | 2009-10-02 | 2012-07-11 | 丹尼尔和科菲森梅克尼齐有限公司 | Pressure ring for extrusion press and extrusion press comprising such a pressure ring |
| CN102574180B (en) * | 2009-10-02 | 2015-04-15 | 丹尼尔和科菲森梅克尼齐有限公司 | Pressure ring for extrusion press and extrusion press comprising such a pressure ring |
| CN102240696A (en) * | 2011-05-18 | 2011-11-16 | 金川集团有限公司 | Method for preparing copper and copper alloy pipes |
| CN110202019A (en) * | 2019-07-03 | 2019-09-06 | 安徽澳德矿山机械设备科技股份有限公司 | A kind of preparation method of bimetallic pipe billet and its prepare mold |
| CN111375644A (en) * | 2019-11-13 | 2020-07-07 | 内蒙古兰太实业股份有限公司 | Guide mechanism for sodium rod extrusion molding machine |
| CN112658054A (en) * | 2020-12-28 | 2021-04-16 | 东北轻合金有限责任公司 | Extrusion method of rectangular pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1186138C (en) | 2005-01-26 |
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