CN102581053A - Method for preparing wheel hubs through backward and forward extrusion - Google Patents
Method for preparing wheel hubs through backward and forward extrusion Download PDFInfo
- Publication number
- CN102581053A CN102581053A CN2012100606775A CN201210060677A CN102581053A CN 102581053 A CN102581053 A CN 102581053A CN 2012100606775 A CN2012100606775 A CN 2012100606775A CN 201210060677 A CN201210060677 A CN 201210060677A CN 102581053 A CN102581053 A CN 102581053A
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- Prior art keywords
- recipient
- wheel hub
- forward extrusion
- extrusion
- inner bag
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- 238000001125 extrusion Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000002360 preparation method Methods 0.000 claims abstract description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 6
- 229910000861 Mg alloy Inorganic materials 0.000 claims abstract description 6
- 238000007493 shaping process Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 150000002739 metals Chemical class 0.000 abstract 1
- 238000009987 spinning Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The invention discloses a method for preparing wheel hubs through backward and forward extrusion, which is applied to the production of wheel hubs manufactured by using magnesium alloys, aluminum alloys and other metals. A stand column (2) is arranged at the middle parts of a base (1) and a fixed plate (3) so as to form a rack, an extruder moving plate (4) is movably arranged on the stand column (2), a hydraulic system is arranged on the rack, a forming mechanism is arranged at the middle lower part of the extruder moving plate (4), and an ejection mechanism and a pick-up mechanism (13) are arranged in the internal middle part of the base (1); and the method for preparing a wheel hub (14) comprises the following steps: putting preheated metal blanks into a container forming mechanism, and extruding a main oil cylinder (5) to push a forward extruding rod (11) to carry out extrusion on the metal blanks, so that the shape of the wheel hub (14) is extruded in one step. Because special extrusion equipment and a scientific preparation method are designed in the invention, a wheel hub can be prepared through one-time extrusion forming after preheated metal blanks are put into a container, therefore, the production process can be greatly shortened, the production cost can be reduced, and the production efficiency can be greatly enhanced.
Description
Technical field: the present invention relates to preparation method with a kind of backward and forward extrusion production wheel hub of other made wheel hub use such as magnesium alloy, aluminium alloy.
Background technology: aluminium, magnesium alloy hub are at aviation, communications and transportation equipment, and particularly there is very big demand space in auto manufacturing.Existing magnesium, aluminium alloy wheel hub utilize the legacy equipment manufacturing approach to have two kinds: a kind of is to cast like gravitational casting, low pressure casting, extrusion casint etc. with liquid metal, poor working environment, efficient is low, properties of product can't satisfy high property vehicle demand, can not make the large scale wheel hub in addition.Second kind is under uniform temperature, pressure, to be out of shape moulding like forging, spinning etc. with solid metallic; The demand that its product mechanical performance is high, can satisfy high performance vehicle; Can not one-shot forming but forge; Need to forge and to add spinning, cause that operation is many, production efficiency is low, particularly the spinning machine investment greatly, all by import equipment.
Summary of the invention: the object of the present invention is to provide the extraordinary extruding equipment of a kind of application that metal stock is put into recipient; An extrusion modling; The demand that the product mechanical performance is high, can satisfy high performance vehicle; Equipment investment is few, and production process is few, can realize the preparation method of a kind of backward and forward extrusion production wheel hub that the full-automatic assembly line operation is used.The present invention for realizing the technical scheme that above-mentioned purpose adopted is: its column 2 is arranged on support 1 and forms frame with fixed head 3 middle parts; Extruder movable plate 4 is movably placed on the column 2; Hydraulic system is arranged on the frame; Shaping mechanism is arranged on 4 times middle parts of extruder movable plate, middle part in ejecting mechanism and removal mechanism 13 are arranged on the support 1; The preparation method of its wheel hub 14 is: the metal stock that preheating is good is put into the recipient shaping mechanism; The preheat temperature magnesium alloy 380-420 degree of outer blank, aluminium alloy 450-500 degree, 120 minutes preheating time; Extruding master cylinder 5 promotes extruder movable plate 4; Forward extrusion bar 11 moves down and to this metal stock extruding, utilizes the recipient heating and cooling system, makes it produce plastic deformation once is squeezed into wheel hub 14 in the recipient shaping mechanism shape.
The invention has the beneficial effects as follows: owing to designed the preparation method of extraordinary extruding equipment and science, the metal stock that preheating is good is put into recipient, an extrusion modling, and the product mechanical performance is high, can satisfy the demand of high performance vehicle.Can significantly shorten production process, reduce production equipment, reduce production costs, product appearance can realize diversity, realizes the full-automatic assembly line operation, has improved production efficiency greatly.And simple in structure, production environment is good, and yield rate is high, can the well behaved wheel hub of large-scale production.
Description of drawings: Fig. 1 formula main structure sketch map of the present invention
Fig. 2 is that the A-A of Fig. 1 is to view
Fig. 3 is that the C-C of Fig. 1 is to view
The specific embodiment: embodiment 1: like Fig. 1, Fig. 2, shown in Figure 3; Its column 2 is arranged on support 1 and forms frame with fixed head 3 middle parts; Extruder movable plate 4 is movably placed on the column 2; Hydraulic system is arranged on the frame, and shaping mechanism is arranged on 4 times middle parts of extruder movable plate, middle part in ejecting mechanism and removal mechanism 13 are arranged on the support 1; The preparation method of its wheel hub 14 is: the metal stock that preheating is good is put into the recipient shaping mechanism; The preheat temperature magnesium alloy 380-420 degree of outer blank, aluminium alloy 450-500 degree, 120 minutes preheating time; Extruding master cylinder 5 promotes extruder movable plate 4; Forward extrusion bar 11 moves down and to this metal stock extruding, utilizes the recipient heating and cooling system, makes it produce plastic deformation once is squeezed into wheel hub 14 in the recipient shaping mechanism shape.
Like Fig. 1, Fig. 2, shown in Figure 3, the forward extrusion bar 11 of said recipient shaping mechanism is fixed on 4 times middle parts of extruder movable plate, and reverse pressure ram 12 is fixed on preceding, the following extruder fixed head 3, the direction of extrusion and the parallel motion of forward extrusion bar; The outer courage 9 of recipient inner bag 10 usefulness recipients by two or more movable blocks are formed is fastening; The outer courage 9 of recipient adopts cone match or conical surface guide cylinder face matching and fixing with recipient inner bag 10; Outer courage 9 moving directions of recipient are parallel with the direction of extrusion, and recipient inner bag 10 is opened and closed up vertical with the direction of extrusion; Forward extrusion bar 11 is consistent with wheel hub 14 interior shapes with reverse pressure ram 12 end shapes, and recipient inner bag 10 is consistent with wheel hub 14 appearance; By die heater and the heating and cooling system device formed of heating oil circuit in recipient shaping mechanism neighboring.
Like Fig. 1, Fig. 2, shown in Figure 3; The master cylinder 5 of said hydraulic system is arranged on middle part on the fixed head 3, and is connected with extruder movable plate 4, forward extrusion bar 11, and the recipient inner bag moves oil cylinder 6 and is arranged on recipient inner bag 10 both sides; Recipient oil cylinder 7 is arranged on back, upper mounted plate 3 two ends; And be in the same place with outer courage 9 devices of recipient, take out oil cylinder 8 and be arranged on interior middle part on the support 1, and be connected with removal mechanism 13.
Like Fig. 1, Fig. 2, shown in Figure 3, described fixed head 3 is horizontal to be arranged to forward and backwardly or vertical be arranged to upper and lower two.
Embodiment 2: the present invention can use on vertical and horizontal extruder.
Embodiment 3: the present invention uses extruder with the technological process that metal stock is squeezed into wheel hub to be: the recipient inner bag is advanced to assigned position at the promotion lower edge guide rail that the recipient inner bag moves oil cylinder, and the outer courage of recipient pins at following recipient inner bag of the promotion of recipient oil cylinder; By feed mechanism metal stock is sent in the recipient, adopted combination hydraulic system then, master cylinder promotes the extruder movable plate, and the forward extrusion bar moves down and to this metal stock extruding, reach extrusion modling position after, master cylinder drives pressure ram and returns; The recipient oil cylinder drives the outer courage of recipient and returns, and recipient moves oil cylinder drive recipient inner bag and opens, and ejecting mechanism ejects wheel hub, and removal mechanism is taken wheel hub away.Next part manufacturing is carried out in recirculation.
Claims (4)
1. the preparation method of wheel hub is produced in a backward and forward extrusion; It is characterized in that: column (2) is arranged on support (1) and frame is formed at fixed head (3) middle part; Extruder movable plate (4) is movably placed on the column (2); Hydraulic system is arranged on the frame, and shaping mechanism is arranged on middle part under the extruder movable plate (4), and ejecting mechanism and removal mechanism (13) are arranged on support (1) and go up interior middle part; The preparation method of its wheel hub (14) is: the metal stock that preheating is good is put into the recipient shaping mechanism; The preheat temperature magnesium alloy 380-420 degree of outer blank, aluminium alloy 450-500 degree, 120 minutes preheating time; Extruding master cylinder (5) promotes extruder movable plate (4); Forward extrusion bar (11) moves down and to this metal stock extruding, utilizes the recipient heating and cooling system, makes it produce plastic deformation once is squeezed into wheel hub (14) in the recipient shaping mechanism shape.
2. the preparation method of wheel hub is produced in a kind of backward and forward extrusion according to claim 1; The forward extrusion bar (11) that it is characterized in that said recipient shaping mechanism is fixed on middle part under the extruder movable plate (4); Reverse pressure ram (12) is fixed on preceding, the following extruder fixed head (3), the direction of extrusion and the parallel motion of forward extrusion bar; Recipient inner bag (10) by two or more movable blocks are formed is fastening with the outer courage (9) of recipient; The outer courage (9) of recipient adopts cone match or conical surface guide cylinder face matching and fixing with recipient inner bag (10); Outer courage (9) moving direction of recipient is parallel with the direction of extrusion, and recipient inner bag (10) is opened and closed up vertical with the direction of extrusion; Forward extrusion bar (11) is consistent with wheel hub (14) interior shape with reverse pressure ram (12) end shape, and recipient inner bag (10) is consistent with wheel hub (14) appearance; By die heater and the heating and cooling system device formed of heating oil circuit in recipient shaping mechanism neighboring.
3. the preparation method of wheel hub is produced in a kind of backward and forward extrusion according to claim 1; The master cylinder (5) that it is characterized in that said hydraulic system is arranged on upward middle part of fixed head (3); And be connected with extruder movable plate (4), forward extrusion bar (11); The recipient inner bag moves oil cylinder (6) and is arranged on recipient inner bag (10) both sides, and recipient oil cylinder (7) is arranged on back, upper mounted plate (3) two ends, and is in the same place with outer courage (9) device of recipient; Take out oil cylinder (8) and be arranged on the upward interior middle part of support (1), and be connected with removal mechanism (13).
4. the preparation method of wheel hub is produced in a kind of backward and forward extrusion according to claim 1, it is characterized in that horizontal being arranged to of described fixed head (3) forward and backwardly or vertical be arranged to upper and lower two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060677.5A CN102581053B (en) | 2012-03-02 | 2012-03-02 | Method for preparing wheel hubs through backward and forward extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060677.5A CN102581053B (en) | 2012-03-02 | 2012-03-02 | Method for preparing wheel hubs through backward and forward extrusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102581053A true CN102581053A (en) | 2012-07-18 |
| CN102581053B CN102581053B (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201210060677.5A Active CN102581053B (en) | 2012-03-02 | 2012-03-02 | Method for preparing wheel hubs through backward and forward extrusion |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170519A (en) * | 2013-03-29 | 2013-06-26 | 西安交通大学 | Multi-directional hydraulic extrusion press for semi-solid metal forming |
| CN109351794A (en) * | 2018-12-11 | 2019-02-19 | 湖南千源铝业有限公司 | A kind of extrusion forming device for aluminium alloy extrusions |
| CN114798791A (en) * | 2022-04-12 | 2022-07-29 | 北京魏桥国科新能源技术研究院有限公司 | Metal matrix composite hot extrusion lubricant replacing device and method |
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| US3875781A (en) * | 1973-05-07 | 1975-04-08 | Schloemann Siemag Ag | Press for producing closed-bottomed articles |
| US7343768B2 (en) * | 2006-04-12 | 2008-03-18 | Gm Global Technology Operations, Inc. | Method of net-forming an article and apparatus for same |
| CN101234401A (en) * | 2008-03-06 | 2008-08-06 | 中北大学 | Magnesium alloy automobile wheel extrusion molding method and mold |
| CN201150954Y (en) * | 2007-10-30 | 2008-11-19 | 河南英威东风机械制造有限公司 | Oil press |
| CN101376141A (en) * | 2008-04-21 | 2009-03-04 | 河南科技大学 | Press forming method of automobile hub and matched forming mold thereof |
| CN102179664A (en) * | 2010-12-30 | 2011-09-14 | 河南科技大学 | Combined plastic forming method of automobile hub and matching forming mold of automobile hub |
-
2012
- 2012-03-02 CN CN201210060677.5A patent/CN102581053B/en active Active
Patent Citations (6)
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|---|---|---|---|---|
| US3875781A (en) * | 1973-05-07 | 1975-04-08 | Schloemann Siemag Ag | Press for producing closed-bottomed articles |
| US7343768B2 (en) * | 2006-04-12 | 2008-03-18 | Gm Global Technology Operations, Inc. | Method of net-forming an article and apparatus for same |
| CN201150954Y (en) * | 2007-10-30 | 2008-11-19 | 河南英威东风机械制造有限公司 | Oil press |
| CN101234401A (en) * | 2008-03-06 | 2008-08-06 | 中北大学 | Magnesium alloy automobile wheel extrusion molding method and mold |
| CN101376141A (en) * | 2008-04-21 | 2009-03-04 | 河南科技大学 | Press forming method of automobile hub and matched forming mold thereof |
| CN102179664A (en) * | 2010-12-30 | 2011-09-14 | 河南科技大学 | Combined plastic forming method of automobile hub and matching forming mold of automobile hub |
Non-Patent Citations (1)
| Title |
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| 裴暖暖等: "镁合金汽车轮毂挤压成形工艺研究", 《热加工工艺》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170519A (en) * | 2013-03-29 | 2013-06-26 | 西安交通大学 | Multi-directional hydraulic extrusion press for semi-solid metal forming |
| CN109351794A (en) * | 2018-12-11 | 2019-02-19 | 湖南千源铝业有限公司 | A kind of extrusion forming device for aluminium alloy extrusions |
| CN114798791A (en) * | 2022-04-12 | 2022-07-29 | 北京魏桥国科新能源技术研究院有限公司 | Metal matrix composite hot extrusion lubricant replacing device and method |
| CN114798791B (en) * | 2022-04-12 | 2023-12-01 | 北京魏桥国科新能源技术研究院有限公司 | Device and method for replacing metal matrix composite hot extrusion lubricant |
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| Publication number | Publication date |
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| CN102581053B (en) | 2014-07-23 |
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Effective date of registration: 20170720 Address after: 401120 Chongqing city Yubei District Longxi Street Jinlong branch No. 16 ideal building D building 19-8 Patentee after: Chongqing Kesaibang Technology Co.,Ltd. Address before: 400000 No. 216, Han Yu Road, Shapingba District, Chongqing 6-3 Co-patentee before: Chen Helian Patentee before: Wang Jing |
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Effective date of registration: 20240102 Address after: 300000-1-102, building 23, Weixiu garden, southwest of the intersection of Dieshan road and Chengzhou Road, Wanxin street, Dongli District, Tianjin Patentee after: Tianjin Jubaifu Labor Service Co.,Ltd. Address before: Room 19-8, Building D, Ideal Building, No. 16 Jinlong Branch Road, Longxi Street, Yubei District, Chongqing, 401120 Patentee before: Chongqing Kesaibang Technology Co.,Ltd. |