CN106903232A - The process and device of a kind of wheel rim flaring - Google Patents
The process and device of a kind of wheel rim flaring Download PDFInfo
- Publication number
- CN106903232A CN106903232A CN201710087651.2A CN201710087651A CN106903232A CN 106903232 A CN106903232 A CN 106903232A CN 201710087651 A CN201710087651 A CN 201710087651A CN 106903232 A CN106903232 A CN 106903232A
- Authority
- CN
- China
- Prior art keywords
- enlarging
- plane
- block
- wheel rim
- workpiece
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Tyre Moulding (AREA)
Abstract
The present invention relates to a kind of process of wheel rim flaring：1）The rim workpiece that will be welded axially is inserted in enlarging block, the position where making rim workpiece two ends reach the first inclined-plane, the second inclined-plane, until being resisted against limited block；2）Tapered shaft stretches out, and drives enlarging block to move radially outward, the first inclined-plane, the second inclined-plane the extruding rim workpiece two ends positioned at enlarging block two ends, enlarging is carried out to workpiece, until enlarging reaches the size of requirement；3）Tapered shaft is retracted, and takes out workpiece.Have the advantages that：1st, enlarging is formed it into using radial compression wheel rim two ends；Compared to the upper and lower extrusion forming mode of conventional axial, shaping workpiece precision of the invention is higher, uniformity is higher, and more preferably, mould is not easy to wear, and production efficiency is higher for surface quality.2nd, can simultaneously detect whether enlarging ftractures when enlarging deforms.
Description
Technical field
The present invention relates to a kind of extrusion forming process and equipment, more particularly, to the process and dress of a kind of wheel rim flaring
Put.
Background technology
Wheel rim, it is necessary to carry out enlarging, is convenient for follow-up contour roll forming operation after the completion of welding, and traditional method is wheel rim
Be vertically arranged carries out enlarging by the relative motion up and down of mould to wheel rim two ends, long due to there is the move distance between upper/lower die
（Distance including mould assembling action and pick and place the preset clearance of workpiece）, upper/lower die there is positional precision deviation, upper/lower die
The degree of wear is inconsistent（Because wheel rim two ends enlarging size, gradient differ, therefore the two ends dynamics of bearing differs, and causes upper/lower die
The degree of wear differs）, drive vibrations of power etc. the factor of upper/lower die motion, cause workpiece accuracy in batch production compared with
Difference, uniformity be not high, and surface quality is undesirable, and mould easily weares and teares, the low defect of production efficiency.
The content of the invention
Process present invention is primarily intended to provide the wheel rim flaring that a kind of shaping speed is fast, production efficiency is higher.
Another object of the present invention is to provide the wheel rim flaring device that a kind of precision is higher, production efficiency is higher.
Above-mentioned technical problem of the invention is mainly what is be addressed by following technical proposals：
A kind of process of wheel rim flaring of the present invention：
1）The rim workpiece that will be welded axially is inserted in enlarging block, rim workpiece two ends is reached the first inclined-plane, the second inclined-plane institute
Position, until being resisted against limited block；
2）Tapered shaft stretches out, and drives enlarging block to move radially outward, the first inclined-plane, the second inclined-plane extruding positioned at enlarging block two ends
Rim workpiece two ends, enlarging is carried out to workpiece, until enlarging reaches the size of requirement；
3）Tapered shaft is retracted, and takes out workpiece.
Preferably, in annular enlarging block, duct, workpiece butt welding position are set in one piece of enlarging block above
To should enlarging block, and in workpiece enlarging outer side seal；After tapered shaft stretches out, the air pressure of 2-6Bar is accessed in duct, once butt welding
Position is cracking to cause air pressure to decline, and equipment is out of service.
A kind of wheel rim flaring device of the present invention, it includes：
Pedestal, has retainer on pedestal；Retainer is cylinder, and its center portion has axis hole, circumferentially set in circumferential wall
Put several bar-shaped troughs；
The tapered shaft moved axially in the retainer axis hole under outside power drive, its head is the cone of tapered diameter
Shape；
Several locating pieces radially slided in the bar-shaped trough of retainer, locating piece root is shunk and is in strip, bar shaped portion and institute
Bar-shaped trough composition is stated to be slidably matched, and bar shaped portion bottom surface is resisted against on the conical nose periphery of tapered shaft；
The enlarging block being fixed on the locating piece, the outer peripheral face of enlarging block is the arc being adapted to wheel rim；In enlarging block section
On, middle part has plane, and both sides have the first inclined-plane, the second inclined-plane, middle plane and the first inclined-plane, the wrapping of the second inclined-plane respectively
Into the profile being adapted to wheel rim inner peripheral wall；First inclined-plane is less than the second inclined-plane and tapered shaft axis with the angle of tapered shaft axis
Angle；
And when being arranged at the first inclined-plane side to control wheel rim to extend out size limited block.Limited block is securable to pedestal,
It is securable in external agency.
In such scheme, by the axial movement of tapered shaft, drive locating piece and enlarging block radially extend out and by wheel rim
Two ends enlarging.
Preferably, enlarging block periphery middle part has groove, adjustment block is set, adjustment block top surface and first oblique in groove
Face, the second inclined-plane wrap into the profile being adapted to wheel rim inner peripheral wall.The internal diameter of convenient adjustment enlarging workpiece.
Preferably, setting block on locating piece, block has hook part；Block is located at the second inclined-plane side and hook part is withheld
On enlarging block.Enlarging block fixes more stable, firm.
Preferably, each equidistant annular array of locating piece, and it is symmetrical one by one along taper shaft centre line.During wheel rim flaring,
Each position stress is more balanced.
Preferably, at least an enlarging block have with the duct for connect external air source, duct with passing to the respectively
Two outlets on one inclined-plane, the second inclined-plane.It is allowed to enlarging cracking detection function.
Therefore, the process of wheel rim flaring of the present invention has the advantages that：
1st, enlarging is formed it into using radial compression wheel rim two ends；Compared to the upper and lower extrusion forming mode of conventional axial, the present invention
Shaping workpiece precision is higher, uniformity is higher, more preferably, mould is not easy to wear, and production efficiency is higher for surface quality.
2nd, can simultaneously detect whether enlarging ftractures when enlarging deforms.
Wheel rim flaring device of the present invention has the advantages that：
1st, enlarging block is driven radially to extend out so as to by the enlarging of wheel rim two ends, the enlarging stress equalization of wheel rim is molded by tapered shaft
Precision is higher；Especially radially pressure distortion, flared surfaces quality is higher.
2nd, during enlarging, deformation block displacement is short, reduces idle stroke, improves production efficiency.
The 3rd, rim workpiece is installed using action is inserted in, it is easy to operate.
4th, due to setting limited block with tapered shaft axis angle less first inclined-plane side, make limited block that both there is limit
Make radial dimension of effect, and the effect with axial limiting.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of the invention.
Accompanying drawing 2 is a kind of structural representation of enlarging block.
Accompanying drawing 3 is the side view of accompanying drawing 2.
Accompanying drawing 4 is the schematic diagram that enlarging block and locating piece are assemblied in formed annular array after retainer.
Specific embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment 1：A kind of process of wheel rim flaring of the present invention：
1）The rim workpiece that will be welded axially is inserted in enlarging block 3, rim workpiece two ends is reached the first inclined-plane 41, the second inclined-plane
Position where 42, until being resisted against limited block 6；
2）Tapered shaft stretches out, and drives enlarging block 3 to move radially outward, positioned at the first inclined-plane 41, second inclined-plane at the two ends of enlarging block 3
42 extruding rim workpiece two ends, carry out enlarging, until enlarging reaches the size of requirement to workpiece；
3）Tapered shaft is retracted, and takes out workpiece.
In annular enlarging block, duct 8 is set in one piece of enlarging block above, workpiece butt welding position is to that should expand
Buccal mass, and in workpiece enlarging outer side seal；After tapered shaft 1 stretches out, the air pressure of 2-6Bar is accessed in duct 8, once butt welding position goes out
Now cracking causes air pressure to decline, and equipment is out of service.
Embodiment 2：A kind of wheel rim flaring device of the present invention, as shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, it includes：
Pedestal, has retainer on pedestal；Retainer is cylinder, and its center portion has axis hole, circumferentially set in circumferential wall
Put several bar-shaped troughs；
The tapered shaft 1 moved axially in the retainer axis hole under outside power drive, its head is the cone of tapered diameter
Shape；
Several locating pieces 2 radially slided in the bar-shaped trough of retainer, locating piece root is shunk and is in strip, bar shaped portion and institute
Bar-shaped trough composition is stated to be slidably matched, and bar shaped portion bottom surface is resisted against on the conical nose periphery of tapered shaft 1；When the axial direction of tapered shaft 1
When mobile, locating piece 2 is radially slided；
The enlarging block 3 being fixed on the locating piece 2, the outer peripheral face of enlarging block 3 is the arc being adapted to wheel rim；In 3 sections of enlarging block
On face, middle part has plane, and both sides have the first inclined-plane 41, the second inclined-plane 42, middle plane and the first inclined-plane 41, second respectively
Inclined-plane 42 wraps into the profile being adapted to wheel rim inner peripheral wall；First inclined-plane 41 is oblique less than second with the angle of the axis of tapered shaft 1
Face 42 and the angle of the axis of tapered shaft 1；
And when being arranged at the side of the first inclined-plane 41 to control wheel rim to extend out size limited block 6.
The periphery of enlarging block 3 middle part has groove, sets adjustment block 5 in groove, the top surface of adjustment block 5 and the first inclined-plane 41, the
Two inclined-planes 42 wrap into the profile being adapted to wheel rim inner peripheral wall.The internal diameter of convenient adjustment enlarging workpiece, to ensure workpiece size.
Block 3 is set on locating piece 2, and block 3 has hook part；Block 3 is located at the side of the second inclined-plane 42 and hook part is withheld
On enlarging block 3.Enlarging block 3 is more stably mounted on locating piece 2, be difficult to slide axially, be difficult circumferential deflection.
The equidistant annular array of each locating piece 2, and it is symmetrical one by one along the center line of tapered shaft 1.This structure, in locating piece footpath
During to being displaced outwardly extruding wheel rim, each position stress is more balanced, and balance is more preferable, beneficial to the formed precision for improving wheel rim.
At least an enlarging block 3 have with the duct 8 for connect external air source, duct 8 with passing to the first inclined-plane respectively
41st, two outlets on the second inclined-plane 42.After extruding wheel rim and being molded, duct 8 is ventilated, by the first inclined-plane 41, second inclined-plane 42
Enlarging of two outlets to wheel rim two ends is tested；For example in 12 pieces enlarging blocks, duct is set in one piece of enlarging block topmost, makes
Have enlarging cracking detection function, access 2-6Bar air pressure, workpiece enlarging outside during compression flare keep sealing,
Once butt welding position is cracking, air pressure declines, and equipment is recognized by sensor, and equipment stops, and prevents the workpiece of cracking from flowing into
To subsequent processing, the equipment and mold of subsequent handling is damaged.
It should be noted that because the gradient of wheel rim two ends enlarging differs, thus in compression flare wheel rim two ends deformation
Power is not of uniform size, and produced axial thrust load is not of uniform size, has the tendency of axial movement so as to cause wheel rim.In this regard, this hair
In bright, limited block 6 is set in the side of the first inclined-plane 41；Because the first inclined-plane 41 is oblique less than second with the angle of the axis of tapered shaft 1
The angle of face 42 and the axis of tapered shaft 1, thus wheel rim when extending out axial force point to the side of the first inclined-plane 41, axle is carried out by limited block 6
To spacing, cause flaring precision not enough so as to avoid enlarging from being wheel rim axial movement.Therefore, limited block 6 had both had limitation footpath
To the effect of size, and the effect with axial limiting.
Mechanism of the invention is, using being divided into some pieces（Such as 12 pieces）Enlarging block be arranged on equipment locating piece
On, tapered shaft is moved by axial stretching and drives locating piece and enlarging block radially to extend out or shrink and by the enlarging of wheel rim two ends and control
The size of enlarging processed.
When using, the workpiece being welded is transported to enlarging station, is inserted in, and tapered shaft is protruding, drives enlarging block outward
Expanding, enlarging is carried out to workpiece until reaching the size of requirement, and tapered shaft is retracted thereafter, takes out workpiece.
The example above explanation only be used for illustrate spirit of the invention, actually implement when, remain it is some deformation and
The drive device of extension program, such as tapered shaft, can be using the electronic, device powered by conventional energy such as pneumatically or hydraulically；Again for example, enlarging
Completing post-positioning block and enlarging block needs to fold to complete homing action, in this regard, hand-reset can be used, that is, is inserted in and next waits to expand
Each locating piece and enlarging block are pushed back until locating piece is resisted against on tapered shaft manually during the wheel rim of mouth；Can also be using automatic multiple
Position, such as, in annular locating piece periphery, set some air cylinder drivens or spring driven briquetting, and each locating piece is applied to refer to
To the active force of tapered shaft axis direction, you can allow locating piece and enlarging block reset when tapered shaft is retracted, then remove workpiece.
Although oneself is through having shown and described embodiments of the invention, it will be understood by those skilled in the art that not
These embodiments can be carried out with various changes, modification and modification, the present invention in the case of departing from principle of the invention and objective
Scope limited by claim and its equivalent.
Claims (7)
1. a kind of process of wheel rim flaring, it is characterised in that：
1）The rim workpiece that will be welded axially is inserted in enlarging block（3）, rim workpiece two ends is reached the first inclined-plane（41）, second
Inclined-plane（42）The position at place；
2）Tapered shaft stretches out, and drives enlarging block（3）Move radially outward, positioned at enlarging block（3）First inclined-plane at two ends（41）,
Two inclined-planes（42）Extruding rim workpiece two ends, carry out enlarging, until enlarging reaches the size of requirement to workpiece；
3）Tapered shaft is retracted, and takes out workpiece.
2. the process of a kind of wheel rim flaring according to claim 1, it is characterised in that：In annular enlarging block,
In one piece of enlarging block above, duct is set（8）, workpiece butt welding position to should enlarging block, it is and close on the outside of workpiece enlarging
Envelope；Tapered shaft（1）After stretching out, duct（8）The air pressure of 2-6Bar is accessed, causes air pressure to decline once butt welding position is cracking,
Equipment is out of service.
3. a kind of wheel rim flaring device for claim 1 methods described, it is characterised in that including：
Pedestal, has retainer on pedestal；Retainer is cylinder, and its center portion has axis hole, circumferentially set in circumferential wall
Put several bar-shaped troughs；
The tapered shaft moved axially in the retainer axis hole under outside power drive（1）, its head is tapered diameter
Taper；
Several locating pieces radially slided in the bar-shaped trough of retainer（2）, locating piece root shrink be in strip, bar shaped portion with
The bar-shaped trough is constituted and is slidably matched, and bar shaped portion bottom surface is resisted against tapered shaft（1）Conical nose periphery on；
It is fixed on the locating piece（2）On enlarging block（3）, enlarging block（3）Outer peripheral face be the arc being adapted to wheel rim
In enlarging block（3）On section, middle part has plane, and both sides have the first inclined-plane respectively（41）, the second inclined-plane（42）, middle part
Plane and the first inclined-plane（41）, the second inclined-plane（42）Wrap into the profile being adapted to wheel rim inner peripheral wall；First inclined-plane（41）With
Tapered shaft（1）The angle of axis is less than the second inclined-plane（42）With tapered shaft（1）The angle of axis；
And it is arranged at the first inclined-plane（41）The limited block of size when side is to control wheel rim to extend out（6）.
4. wheel rim flaring device according to claim 3, it is characterised in that：The enlarging block（3）Periphery middle part has recessed
Groove, sets adjustment block in groove（5）, adjustment block（5）Top surface and the first inclined-plane（41）, the second inclined-plane（42）Wrap into in wheel rim
The profile of circumferential wall adaptation.
5. wheel rim flaring device according to claim 3, it is characterised in that：The locating piece（2）Upper setting block（3）,
Block（3）With hook part；Block（3）Positioned at the second inclined-plane（42）Side and hook part is withheld in enlarging block（3）On.
6. wheel rim flaring device according to claim 3, it is characterised in that：Each locating piece（2）Equidistant annular array, and
Along tapered shaft（1）Center line is symmetrical one by one.
7. the wheel rim flaring device according to claim 3 or 4 or 5 or 6, it is characterised in that：At least in an enlarging
Block（3）With with the duct for connecting external air source（8）, duct（8）With passing to the first inclined-plane respectively（41）, the second inclined-plane（42）
Two outlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710087651.2A CN106903232B (en) | 2017-02-17 | 2017-02-17 | A kind of process and device of wheel rim flaring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710087651.2A CN106903232B (en) | 2017-02-17 | 2017-02-17 | A kind of process and device of wheel rim flaring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106903232A true CN106903232A (en) | 2017-06-30 |
| CN106903232B CN106903232B (en) | 2018-09-07 |
Family
ID=59207637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710087651.2A Active CN106903232B (en) | 2017-02-17 | 2017-02-17 | A kind of process and device of wheel rim flaring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106903232B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622786A (en) * | 2019-01-23 | 2019-04-16 | 国琳(天津)科技有限公司 | Multistation leads directly to pipe fitting molding machine |
| CN112020400A (en) * | 2018-04-17 | 2020-12-01 | 蒂森克虏伯钢铁欧洲股份公司 | Method and device for producing a wheel rim |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4683630A (en) * | 1984-12-19 | 1987-08-04 | Kabushiki Kaisha Kobe Seiko Sho | Method for manufacturing an integrated wheel |
| CN102407270A (en) * | 2010-09-26 | 2012-04-11 | 宝山钢铁股份有限公司 | Process for manufacturing asymmetrically flared rim and flaring mould |
| CN103506487A (en) * | 2012-06-28 | 2014-01-15 | 成都陵川特种工业有限责任公司 | Split type quick switch rim flaring mold |
| CN103506488A (en) * | 2012-06-28 | 2014-01-15 | 成都陵川特种工业有限责任公司 | Horizontal-type spring rim flaring mold capable of achieving quick switching |
| CN104289623A (en) * | 2013-07-16 | 2015-01-21 | 杭州润德车轮制造有限公司 | Cold contraction and expansion forming method for rim base |
-
2017
- 2017-02-17 CN CN201710087651.2A patent/CN106903232B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4683630A (en) * | 1984-12-19 | 1987-08-04 | Kabushiki Kaisha Kobe Seiko Sho | Method for manufacturing an integrated wheel |
| CN102407270A (en) * | 2010-09-26 | 2012-04-11 | 宝山钢铁股份有限公司 | Process for manufacturing asymmetrically flared rim and flaring mould |
| CN103506487A (en) * | 2012-06-28 | 2014-01-15 | 成都陵川特种工业有限责任公司 | Split type quick switch rim flaring mold |
| CN103506488A (en) * | 2012-06-28 | 2014-01-15 | 成都陵川特种工业有限责任公司 | Horizontal-type spring rim flaring mold capable of achieving quick switching |
| CN104289623A (en) * | 2013-07-16 | 2015-01-21 | 杭州润德车轮制造有限公司 | Cold contraction and expansion forming method for rim base |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112020400A (en) * | 2018-04-17 | 2020-12-01 | 蒂森克虏伯钢铁欧洲股份公司 | Method and device for producing a wheel rim |
| US11577300B2 (en) | 2018-04-17 | 2023-02-14 | Thyssenkrupp Ag | Method and device for producing a wheel rim |
| CN109622786A (en) * | 2019-01-23 | 2019-04-16 | 国琳(天津)科技有限公司 | Multistation leads directly to pipe fitting molding machine |
| CN109622786B (en) * | 2019-01-23 | 2024-04-26 | 国琳(天津)科技有限公司 | Multi-station straight-through pipe fitting forming machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106903232B (en) | 2018-09-07 |
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