CN105817552A - Expansion wheel forming process - Google Patents

Expansion wheel forming process Download PDF

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Publication number
CN105817552A
CN105817552A CN201610377854.0A CN201610377854A CN105817552A CN 105817552 A CN105817552 A CN 105817552A CN 201610377854 A CN201610377854 A CN 201610377854A CN 105817552 A CN105817552 A CN 105817552A
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CN
China
Prior art keywords
forming
expansion tightening
tightening wheel
hot extrusion
finishing
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Application number
CN201610377854.0A
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Chinese (zh)
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CN105817552B (en
Inventor
李�亨
夏冲冲
王洪波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Saijue Machinery Manufacturing Co., Ltd.
Hefei Polytechnic University
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Anhui Saijue Machinery Manufacturing Co Ltd
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Priority to CN201610377854.0A priority Critical patent/CN105817552B/en
Publication of CN105817552A publication Critical patent/CN105817552A/en
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Publication of CN105817552B publication Critical patent/CN105817552B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00Making other particular articles
    • B21D53/26Making other particular articles wheels or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/001Shaping combined with punching, e.g. stamping and perforating

Abstract

The invention discloses an expansion wheel forming process, and belongs to the field of machining of metal materials. The expansion wheel forming process comprises blanking-deep drawing-hot extrusion-cold extrusion-finishing-punching. Compared with the prior art, the expansion wheel forming process has the following advantages: the expansion wheel forming process overcomes such defects as weak forming quality, low production efficiency and high material waste in the prior art, forms expansion wheels by the punching and hot extrusion processes, effectively improves the part forming quality, reduces the material waste to a greater extent, improves the production environment, can realize automatic production by applying the punching and hot extrusion processes, improves the production efficiency, reduces the production cost, and satisfies a lot of market demands.

Description

A kind of forming technology of expansion tightening wheel
Technical field
The present invention relates to metal material processing forming technique field, the forming technology of a kind of expansion tightening wheel.
Background technology
Expansion tightening wheel is a consumable accessory of the spare and accessory parts such as automobile, needs periodic replacement, and market demand is the biggest.At present, the mainly casting of the production technology of expansion tightening wheel and machining.When producing expansion tightening wheel by casting technique, easily in running gate system, shrinkage cavity shrinkage porosity occur in three regions bottom rising head root, expansion tightening wheel foundry goods, affect expansion tightening wheel forming quality, and use cast form working condition severe.The another kind of technique producing expansion tightening wheel is by bar boring machine bore hole, and bar, as the axis hole of expansion tightening wheel, is then machined out by this bore hole, and the method production efficiency is low, and waste of material is big.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that the forming technology of a kind of expansion tightening wheel, to reaching to improve production efficiency, the purpose of saving material.
The present invention is achieved by the following technical solutions:
A kind of forming technology of expansion tightening wheel, described forming technology is carried out as follows:
(1) blanking: supplied materials steel plate is carried out blank-forming and obtains plate-like blank;
(2) drawing: plate-like blank is carried out drawing and forming and obtains bowl-shape drawing part;
(3) hot extrusion: after being heated rapidly to exceed its recrystallization temperature by bowl-shape drawing part, carry out hot-pressed obtaining hot extrusion casting die, the oral area of described hot extrusion casting die forms the mouth flange horizontally outward extended, and forms thin slice, bottom periphery formation owing to being squeezed to the bulge loop of vertical direction extension in the middle of the bottom of described hot extrusion casting die;
(4) cold extrusion: after hot extrusion casting die air cooling to room temperature, carry out cold-extrusion shaping, extrudes the bulge loop bottom described hot extrusion casting die and forms inner small and outside big trumpet-shaped flange, obtain cold-extruded part;
(5) finishing: the flange bottom cold-extruded part is flattened and forms the base flange corresponding with described mouth flange, obtain finishing part;
(6) punching: the thin slice bottom finishing part is punched out i.e. obtaining expansion tightening wheel.
In described step (3), after described bowl-shape drawing part is heated to 700~900 DEG C, then carry out hot-pressed.
In described step (3), described hot extrusion casting die forms oral area opening, the centre bore of bottom lock, and the oral area of described centre bore is provided with stepped hole, and the aperture of described stepped hole is more than the aperture of described centre bore.
In described step (6), the thin slice bottom described finishing part forms base apertures through punching, and the aperture of described base apertures is less than the aperture of described centre bore.
In described step (5), the lateral wall of described mouth flange, base flange and finishing part is collectively forming the annular receiving groove accommodating belt.
The thickness of described supplied materials steel plate is 5mm.
The present invention has the advantage that compared to existing technology
1, the forming technology of a kind of expansion tightening wheel that the present invention provides, owing to have employed the plastic molding methods such as drawing, hot extrusion, cold extrusion, finishing, overcome the problems such as waste of material amount is big, production efficiency is low, production environment is poor in prior art, bring the technique effects such as stock utilization height, production efficiency height, low cost.
2, the forming technology of a kind of expansion tightening wheel that the present invention provides, supplied materials steel plate forms plate-like blank through blanking, again through drawing and forming be bowl-shape drawing part, then bowl-shape drawing part is carried out hot-pressed, form oral area and have the mouth flange horizontally outward extended, form thin slice and the bottom periphery formation hot extrusion casting die to the bulge loop of vertical direction extension owing to being squeezed in the middle of bottom, use the hot-pressed resistance of deformation that can effectively reduce metal, increase the Plastic Forming performance of metal, be conducive to material generation large plastometric set, improve part forming quality, and needed for metal, plastic force diminishes time hot-pressed, the highest to former tonnage demand.
3, the forming technology of a kind of expansion tightening wheel that the present invention provides, by hot extrusion casting die air cooling to room temperature, then cold extrusion is carried out, forming cold-extruded part, cold-stamped purpose is bottom periphery to be formed the bulge loop extruding extended to vertical direction form inner small and outside big trumpet-shaped flange, in order to the shaping of subsequent processing part, cold extrusion operation is used to be effectively reduced the deflection of part, reduce plastic force, thus improve part forming quality, and the shaping for base flange is prepared.
4, the forming technology of a kind of expansion tightening wheel that the present invention provides, carries out finishing by the flange of cold-extruded part, forms base flange, obtains finishing part, use finishing procedure can valid shaping base flange, improve part forming precision.
Accompanying drawing explanation
Fig. 1 is the process chart of the present invention.
Fig. 2 is the plate-like blank structure schematic diagram of the present invention.
Fig. 3 is the bowl-shape drawing part structural representation of the present invention.
Fig. 4 is the hot extrusion casting die structural representation of the present invention.
Fig. 5 is the cold-extruded part structural representation of the present invention.
Fig. 6 is the finishing part structural representation of the present invention.
Fig. 7 is the expansion tightening wheel structural representation of the present invention.
Label in figure: 1 plate-like blank, 2 bowl-shape drawing parts, 3 hot extrusion casting dies, 4 mouth flange, 5 thin slices, 6 bulge loops, 7 flange, 8 cold-extruded parts, 9 base flange, 10 finishing parts, 11 expansion tightening wheels.
Detailed description of the invention
Elaborating embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, gives detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
The forming technology of a kind of expansion tightening wheel 11, described forming technology is carried out as follows: be illustrated in figure 1 the technological process of expansion tightening wheel 11.The supplied materials steel plate that thickness is 5mm being carried out blank-forming and obtains plate-like blank 1, plate-like blank 1 structural representation is as shown in Figure 2.Then plate-like blank 1 carrying out drawing and forming and obtains bowl-shape drawing part 2, bowl-shape drawing part 2 structural representation is as shown in Figure 3.Bowl-shape drawing part 2 is placed on resistance wire after being heated rapidly to exceed its recrystallization temperature, such as heating-up temperature can be 700~900 DEG C, then carry out hot-pressed obtaining hot extrusion casting die 3, the centre bore of oral area opening, bottom lock is had in hot extrusion casting die 3, and the oral area of centre bore is provided with stepped hole, the aperture of stepped hole is more than the aperture of centre bore.The oral area of hot extrusion casting die 3 has the mouth flange 4 horizontally outward extended, and forms, due to the formation thin slice 5 that is squeezed, bottom periphery, the bulge loop 6 extended to vertical direction in the middle of the bottom of hot extrusion casting die 3, and hot extrusion casting die 3 structural representation is as shown in Figure 4.Then hot extrusion casting die 3 is removed from the molds placement and carries out air cooling in atmosphere to after room temperature, carry out cold-extrusion shaping, the purpose of cold-extrusion shaping be by hot extrusion casting die 3 bottom bulge loop 6 extrude and form inner small and outside big trumpet-shaped flange 7, obtaining cold-extruded part 8, cold-extruded part 8 structural representation is as shown in Figure 5.Then cold-extruded part 8 is carried out finishing, finishing be by cold-extruded part 8 bottom flange 7 flatten and form the base flange 9 corresponding with mouth flange 4, obtain finishing part, the lateral wall of its mouth flange 4, base flange 9 and finishing part is collectively forming the annular receiving groove accommodating belt, and finishing part structural representation is as shown in Figure 6.Finally being punched out i.e. obtaining expansion tightening wheel 11 to the thin slice 5 bottom finishing part, the thin slice 5 bottom finishing part forms base apertures through punching, and the aperture of base apertures is less than the aperture of centre bore, and expansion tightening wheel 11 structural representation is as shown in Figure 7.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.

Claims (6)

1. the forming technology of an expansion tightening wheel, it is characterised in that, described forming technology is carried out as follows:
(1) blanking: supplied materials steel plate is carried out blank-forming and obtains plate-like blank;
(2) drawing: plate-like blank is carried out drawing and forming and obtains bowl-shape drawing part;
(3) hot extrusion: after being heated rapidly to exceed its recrystallization temperature by bowl-shape drawing part, carry out hot-pressed obtaining hot extrusion casting die, the oral area of described hot extrusion casting die forms the mouth flange horizontally outward extended, and forms thin slice, bottom periphery formation owing to being squeezed to the bulge loop of vertical direction extension in the middle of the bottom of described hot extrusion casting die;
(4) cold extrusion: after hot extrusion casting die air cooling to room temperature, carry out cold-extrusion shaping, extrudes the bulge loop bottom described hot extrusion casting die and forms inner small and outside big trumpet-shaped flange, obtain cold-extruded part;
(5) finishing: the flange bottom cold-extruded part is flattened and forms the base flange corresponding with described mouth flange, obtain finishing part;
(6) punching: the thin slice bottom finishing part is punched out i.e. obtaining expansion tightening wheel.
The forming technology of a kind of expansion tightening wheel the most as claimed in claim 1, it is characterised in that in described step (3), after described bowl-shape drawing part is heated to 700~900 DEG C, then carries out hot-pressed.
The forming technology of a kind of expansion tightening wheel the most as claimed in claim 1, it is characterized in that, in described step (3), described hot extrusion casting die forms oral area opening, the centre bore of bottom lock, the oral area of described centre bore is provided with stepped hole, and the aperture of described stepped hole is more than the aperture of described centre bore.
The forming technology of a kind of expansion tightening wheel the most as claimed in claim 3, it is characterised in that in described step (6), the thin slice bottom described finishing part forms base apertures through punching, and the aperture of described base apertures is less than the aperture of described centre bore.
The lateral wall of the forming technology of a kind of expansion tightening wheel the most as claimed in claim 1, it is characterised in that in described step (5), described mouth flange, base flange and finishing part is collectively forming the annular receiving groove accommodating belt.
The forming technology of a kind of expansion tightening wheel the most as claimed in claim 1, it is characterised in that the thickness of described supplied materials steel plate is 5mm.
CN201610377854.0A 2016-05-31 2016-05-31 A kind of forming technology of expansion tightening wheel Active CN105817552B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610377854.0A CN105817552B (en) 2016-05-31 2016-05-31 A kind of forming technology of expansion tightening wheel

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Application Number Priority Date Filing Date Title
CN201610377854.0A CN105817552B (en) 2016-05-31 2016-05-31 A kind of forming technology of expansion tightening wheel

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CN105817552B CN105817552B (en) 2018-06-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107322247A (en) * 2017-08-28 2017-11-07 安徽信息工程学院 A kind of production technology of expansion tightening wheel
CN109865765A (en) * 2019-03-14 2019-06-11 温州天纳福汽车轴承股份有限公司 A kind of moulding process of novel expansion tightening wheel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030019105A1 (en) * 2001-07-26 2003-01-30 Chien-Cheng Chen Method of manufacturing an aluminum alloy wheel rim
CN1569390A (en) * 2004-04-26 2005-01-26 王之中 Process for machining farm truck tensioner casing
CN201487149U (en) * 2009-08-06 2010-05-26 洪金坤 Automatic tension pulley
JP2012196701A (en) * 2011-03-23 2012-10-18 Chuo Motor Wheel Co Ltd Method of manufacturing vehicular wheel and vehicular wheel
CN104015007A (en) * 2014-06-13 2014-09-03 浙江巨科实业有限公司 Method for manufacturing aluminum alloy hub

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030019105A1 (en) * 2001-07-26 2003-01-30 Chien-Cheng Chen Method of manufacturing an aluminum alloy wheel rim
CN1569390A (en) * 2004-04-26 2005-01-26 王之中 Process for machining farm truck tensioner casing
CN201487149U (en) * 2009-08-06 2010-05-26 洪金坤 Automatic tension pulley
JP2012196701A (en) * 2011-03-23 2012-10-18 Chuo Motor Wheel Co Ltd Method of manufacturing vehicular wheel and vehicular wheel
CN104015007A (en) * 2014-06-13 2014-09-03 浙江巨科实业有限公司 Method for manufacturing aluminum alloy hub

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107322247A (en) * 2017-08-28 2017-11-07 安徽信息工程学院 A kind of production technology of expansion tightening wheel
CN109865765A (en) * 2019-03-14 2019-06-11 温州天纳福汽车轴承股份有限公司 A kind of moulding process of novel expansion tightening wheel

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Publication number Publication date
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CB03 Change of inventor or designer information

Inventor after: Li Heng

Inventor after: Liu Zhao

Inventor after: Luo Zhiyong

Inventor after: Si Yuan

Inventor after: Xu Yuanyi

Inventor after: Xia Chongchong

Inventor after: Wang Hongbo

Inventor before: Li Heng

Inventor before: Xia Chongchong

Inventor before: Wang Hongbo

COR Change of bibliographic data
TA01 Transfer of patent application right

Effective date of registration: 20170111

Address after: Tunxi road in Baohe District of Hefei city of Anhui Province, No. 193 230009

Applicant after: Hefei Polytechnic Univ.

Applicant after: Anhui Saijue Machinery Manufacturing Co., Ltd.

Address before: 241000 Anhui province Wuhu Hengchang high tech Development Zone, Road No. 10

Applicant before: Anhui Saijue Machinery Manufacturing Co., Ltd.

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