CN106903232B - A kind of process and device of wheel rim flaring - Google Patents
A kind of process and device of wheel rim flaring Download PDFInfo
- Publication number
- CN106903232B CN106903232B CN201710087651.2A CN201710087651A CN106903232B CN 106903232 B CN106903232 B CN 106903232B CN 201710087651 A CN201710087651 A CN 201710087651A CN 106903232 B CN106903232 B CN 106903232B
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- Prior art keywords
- flaring
- 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
Abstract
The present invention relates to a kind of processes of wheel rim flaring：1）The rim workpiece being welded axially is inserted in flaring block, rim workpiece both ends is made to reach the position where the first inclined-plane, the second inclined-plane, until being resisted against limited block；2）Tapered shaft stretches out, and flaring block is driven to move radially outward, is located at the first inclined-plane for being flared block both ends, the second inclined-plane and squeezes rim workpiece both ends, is flared to workpiece, until flaring reaches the size of requirement；3）Tapered shaft is retracted, and workpiece is taken out.It has the advantages that：1, flaring is formed it into using radial compression wheel rim both ends；Compared to extrusion forming mode above and below conventional axial, shaping workpiece precision of the invention is higher, consistency higher, and surface quality is more preferable, and mold is not easy to wear, production efficiency higher.2, it can detect whether flaring cracks simultaneously when being flared deformation.
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
It sets.
Background technology
Wheel rim is flared after the completion of welding, is convenient for subsequent contour roll forming process, and traditional method is wheel rim
It is vertically arranged and wheel rim both ends is flared by the relative motion up and down of mold, since there are the move distance between upper/lower die is long
（Distance including mould assembling action and the preset clearance for picking and placeing workpiece）, upper/lower die have positional precision deviation, upper/lower die
The degree of wear is inconsistent（Since wheel rim both ends flaring size, gradient differ, therefore the both ends dynamics of bearing differs, and leads to upper/lower die
The degree of wear differs）, drive vibrations of power etc. the factor of upper/lower die movement, cause workpiece accuracy in batch production compared with
The defects of difference, consistency be not high, and surface quality is undesirable, and mold is easily worn, low production efficiency.
Invention content
Fast, the higher wheel rim flaring of production efficiency process that the main purpose of the present invention is to provide a kind of shaping speeds.
Another object of the present invention is to provide that a kind of precision is higher, the higher wheel rim flaring device of production efficiency.
The above-mentioned technical problem of the present invention is mainly to be addressed by following technical proposals：
A kind of process of wheel rim flaring of the present invention：
1）The rim workpiece being welded axially is inserted in flaring block, rim workpiece both ends is made to reach the first inclined-plane, second tiltedly
Position where face, until being resisted against limited block；
2）Tapered shaft stretches out, and drives flaring block to move radially outward, is located at the first inclined-plane, second inclined-plane at flaring block both ends
Rim workpiece both ends are squeezed, workpiece is flared, until flaring reaches the size of requirement；
3）Tapered shaft is retracted, and workpiece is taken out.
Preferably, in annular flaring block, duct, workpiece butt welding position are set in one piece of flaring block being located above
The corresponding flaring block, and it is flared outer side seal in workpiece；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 comprising：
Pedestal has retainer on pedestal；Retainer is cylinder, and center portion has an axis hole, circumferential wall last week
To several bar-shaped troughs of setting；
The tapered shaft moved axially in the retainer axis hole under external power drive, head are tapered diameter
Taper；
Several locating pieces radially slided in the bar-shaped trough of retainer, locating piece root, which is shunk, to be in strip, bar shaped portion
It is slidably matched with bar-shaped trough composition, and bar shaped portion bottom surface is resisted against on the conical nose periphery of tapered shaft；
The flaring block being fixed on the locating piece, the peripheral surface for being flared block are the arc being adapted to wheel rim；In flaring block
On section, middle part has plane, and both sides are respectively provided with the first inclined-plane, the second inclined-plane, middle plane and the first inclined-plane, the second inclined-plane
Wrap into the profile being adapted to wheel rim inner peripheral wall；The angle on the first inclined-plane and tapered shaft axis is less than the second inclined-plane and tapered shaft
The angle of axis；
And the first inclined-plane side is set to control the limited block of size when wheel rim extends out.Limited block is securable to base
Seat, is also securable in external agency.
In the above scheme, by the axial movement of tapered shaft, drive locating piece and flaring block radially extend out and by wheel rim
Both ends are flared.
Preferably, having groove in the middle part of flaring block periphery, adjustment block is set, and adjustment block top surface and first is tiltedly in groove
Face, the wrapping of the second inclined-plane are at the profile being adapted to wheel rim inner peripheral wall.Facilitate the internal diameter of adjustment flaring workpiece.
Preferably, block is arranged on locating piece, block has hook part；Block is located at the second inclined-plane side and hook part is withheld
On flaring block.It is more stable to be flared block fixation, it is firm.
Preferably, each equidistant annular array of locating piece, and it is symmetrical one by one along taper shaft centre line.When wheel rim flaring,
Each position stress is more balanced.
Preferably, being at least flared block at one has and the duct that be connected to external air source, duct with passing to the respectively
Two outlets on one inclined-plane, the second inclined-plane.With flaring cracking detection function.
Therefore, the process of wheel rim flaring of the present invention has the advantages that：
1, flaring is formed it into using radial compression wheel rim both ends；Compared to extrusion forming mode above and below conventional axial, originally
The shaping workpiece precision of invention is higher, consistency higher, and surface quality is more preferable, and mold is not easy to wear, production efficiency higher.
2, it can detect whether flaring cracks simultaneously when being flared deformation.
Wheel rim flaring device of the present invention has the advantages that：
1, flaring block is driven radially to extend out to be flared wheel rim both ends by tapered shaft, the flaring stress equalization of wheel rim,
Formed precision higher；Especially radially pressure distortion, flared surfaces quality higher.
When 2, being flared, deformation block displacement distance is short, reduces idle stroke, improves production efficiency.
3, installation rim workpiece, which uses, is inserted in action, easy to operate.
4, limited block is being set due to the first inclined-plane side smaller with tapered shaft axis angle, is making limited block that both there is limit
Radial dimension of effect is made, and has the function of axial limiting.
Description of the drawings
Attached drawing 1 is a kind of structural schematic diagram of the present invention.
Attached drawing 2 is a kind of structural schematic diagram for being flared block.
Attached drawing 3 is the side view of attached drawing 2.
Attached drawing 4 is the schematic diagram that flaring block and locating piece are assemblied in formed annular array after retainer.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1：A kind of process of wheel rim flaring of the present invention：
1）The rim workpiece being welded axially is inserted in flaring block 4, rim workpiece both ends is made to reach the first inclined-plane 41, the
Position where two inclined-plane 43, until being resisted against limited block 6；
2）Tapered shaft stretches out, and flaring block 4 is driven to move radially outward, be located at flaring block 4 both ends the first inclined-plane 41, the
Two inclined-planes 43 squeeze rim workpiece both ends, are flared to workpiece, until flaring reaches the size of requirement；
3）Tapered shaft is retracted, and workpiece is taken out.
In annular flaring block, duct 8 is set in one piece of flaring block being located above, workpiece butt welding position corresponds to the expansion
Buccal mass, and it is flared outer side seal in workpiece；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 attached drawing 1, attached drawing 2, attached drawing 3, attached drawing 4 comprising：
Pedestal has retainer on pedestal；Retainer is cylinder, and center portion has an axis hole, circumferential wall last week
To several bar-shaped troughs of setting；
The tapered shaft 1 moved axially in the retainer axis hole under external power drive, head are tapered diameter
Taper；
Several locating pieces 2 radially slided in the bar-shaped trough of retainer, locating piece root, which is shunk, to be in strip, bar shaped portion
It is slidably matched with bar-shaped trough composition, and bar shaped portion bottom surface is resisted against on the conical nose periphery of tapered shaft 1；When tapered shaft 1
When axial movement, locating piece 2 radially slides；
The flaring block 4 being fixed on the locating piece 2, flaring 4 peripheral surface of block is the arc being adapted to wheel rim；It is being flared
On 3 section of block, there is plane, both sides to be respectively provided with the first inclined-plane 41, the second inclined-plane 43 at middle part, and middle plane 42 and first is tiltedly
Face 41, the wrapping of the second inclined-plane 43 are at the profile being adapted to wheel rim inner peripheral wall；The angle on the first inclined-plane 41 and 1 axis of tapered shaft
Less than the angle on the second inclined-plane 43 and 1 axis of tapered shaft；
And 41 side of the first inclined-plane is set to control the limited block 6 of size when wheel rim extends out.
Being flared in the middle part of block 3 periphery has groove, is arranged adjustment block 5 in groove, 5 top surface of adjustment block and the first inclined-plane 41, the
Two inclined-planes 43 are wrapped into the profile being adapted to wheel rim inner peripheral wall.The internal diameter for facilitating adjustment flaring workpiece, to ensure workpiece ruler
It is very little.
Block 3 is set on locating piece 2, and block 3 has hook part；Block 3 is located at 43 side of the second inclined-plane and hook part is withheld
It is flared on block 4.So that flaring block 4 is more stably mounted on locating piece 2, is not easy to slide axially, is not easy circumferential deflection.
2 equidistant annular array of each locating piece, and it is symmetrical one by one along 1 center line of tapered shaft.This structure, in locating piece diameter
To when being displaced outwardly extruding wheel rim, each position stress is more balanced, and balance is more preferable, is conducive to improve the formed precision of wheel rim.
The duct 8 that block 4 has and is connected to external air source is at least flared at one, duct 8 has passes to the first inclined-plane respectively
41, two outlets on the second inclined-plane 43.After squeezing wheel rim molding, duct 8 is ventilated, and the first inclined-plane 41, the second inclined-plane 43 are passed through
Two outlet the flaring at wheel rim both ends is tested；Such as in 12 pieces of flaring blocks, duct is set in one piece of flaring block topmost,
With flaring cracking detection function, the air pressure of 2-6Bar is accessed, workpiece flaring outside keeps close during compression flare
Envelope, once butt welding position is cracking, air pressure declines, and equipment is identified by sensor, and equipment stops, and prevents the workpiece stream of cracking
Enter to subsequent processing, damages the equipment and mold of subsequent handling.
It should be noted that due to wheel rim both ends flaring gradient differ, therefore in compression flare wheel rim both ends deformation
Power is not of uniform size, and generated 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 41 side of the first inclined-plane；Since the angle of the first inclined-plane 41 and 1 axis of tapered shaft is less than second tiltedly
The angle in face 43 and 1 axis of tapered shaft, therefore axial force is directed toward 41 side of the first inclined-plane when wheel rim extends out, and axis is carried out by limited block 6
To limit, cause flaring precision insufficient to avoid flaring from being wheel rim axial movement.Therefore, limited block 6 had both had limitation diameter
Effect to size, and have the function of axial limiting.
The mechanism of the present invention is, using being divided into several pieces（Such as 12 pieces）Flaring block be mounted on equipment locating piece
On, tapered shaft moves to drive locating piece and be flared by block is radially extended out or shunk and wheel rim both ends is flared and is controlled by axial stretching
Make the size of flaring.
In use, the workpiece being welded is transported to flaring station, it is inserted in, tapered shaft is protruding, drives flaring block outward
Expanding carries out flaring until reaching the size of requirement to workpiece, and tapered shaft is retracted thereafter, takes out workpiece.
The example above illustrate only be used for illustrate the present invention spirit, in actual implementation, still have it is several deformation and
Extension program, for example, tapered shaft driving device, the electronic, device powered by conventional energy such as pneumatically or hydraulically can be used；In another example flaring
It completes post-positioning block and flaring block needs being folded to complete homing action, in this regard, hand-reset can be used, that is, be inserted in and next wait expanding
Each locating piece and flaring block are pushed back up to locating piece is resisted against on tapered shaft manually when the wheel rim of mouth；It also can be used automatic multiple
Position, such as in annular locating piece periphery, several cylinder drivings or spring driven briquetting are set, the application of each locating piece is referred to
To the active force of tapered shaft axis direction, you can allow locating piece and flaring block reset when tapered shaft is retracted, then remove workpiece.
Although oneself is through the embodiment of the present invention has shown and described, it will be understood by those skilled in the art that not
Can these embodiments be carried out with a variety of variations, modifications and variations, the present invention in the case of being detached from the principle of the present invention and objective
Range limited by claim and its equivalent.
Claims (7)
1. a kind of process of wheel rim flaring, it is characterised in that：Using wheel rim flaring device, wheel rim flaring device includes：
Pedestal has retainer on pedestal；Retainer is cylinder, and center portion has axis hole, circumferentially set in circumferential wall
Set several bar-shaped troughs；
The tapered shaft moved axially in the retainer axis hole under external power drive（1）, head is tapered diameter
Taper；
Several locating pieces radially slided in the bar-shaped trough of retainer（2）, locating piece root shrink is in strip, bar shaped portion with
The bar-shaped trough composition 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 flaring block（4 ）, it is flared block（4 ）Peripheral surface be the arc being adapted to wheel rim
In flaring block（4 ）On section, middle part has plane, and both sides are respectively provided with the first inclined-plane（41）, the second inclined-plane（43 ）, in
Facial planes and the first inclined-plane（41）, the second inclined-plane（43 ）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（43 ）With tapered shaft（1）The angle of axis；
And it is set to the first inclined-plane（41）Side is to control the limited block of size when wheel rim extends out（6）；
1）The rim workpiece being welded axially is inserted in flaring block（4 ）, rim workpiece both ends is made to reach the first inclined-plane（41）,
Two inclined-planes（43 ）The position at place；
2）Tapered shaft stretches out, and drives flaring block（4 ）It moves radially outward, is located at flaring block（4 ）First inclined-plane at both ends（41）、
Second inclined-plane（43 ）Rim workpiece both ends are squeezed, workpiece is flared, until flaring reaches the size of requirement；
3）Tapered shaft is retracted, and workpiece is taken out.
2. a kind of process of wheel rim flaring according to claim 1, it is characterised in that：In annular flaring block,
In one piece of flaring block being located above, duct is set（8）, workpiece butt welding position corresponds to the flaring block, and close on the outside of workpiece flaring
Envelope；Tapered shaft（1）After stretching, duct（8）The air pressure for accessing 2-6Bar, 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 the method, it is characterised in that including：
Pedestal has retainer on pedestal；Retainer is cylinder, and center portion has axis hole, circumferentially set in circumferential wall
Set several bar-shaped troughs；
The tapered shaft moved axially in the retainer axis hole under external power drive（1）, head is tapered diameter
Taper；
Several locating pieces radially slided in the bar-shaped trough of retainer（2）, locating piece root shrink is in strip, bar shaped portion with
The bar-shaped trough composition 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 flaring block（4 ）, it is flared block（4 ）Peripheral surface be the arc being adapted to wheel rim
In flaring block（4 ）On section, middle part has plane, and both sides are respectively provided with the first inclined-plane（41）, the second inclined-plane（43 ）, in
Facial planes and the first inclined-plane（41）, the second inclined-plane（43 ）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（43 ）With tapered shaft（1）The angle of axis；
And it is set to the first inclined-plane（41）Side is to control the limited block of size when wheel rim extends out（6）.
4. wheel rim flaring device according to claim 3, it is characterised in that：The flaring block（4 ）Have in the middle part of periphery recessed
Adjustment block is arranged in groove in slot（5）, adjustment block（5）Top surface and the first inclined-plane（41）, the second inclined-plane（43 ）It wraps into and wheel rim
The profile of inner peripheral 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 are withheld in flaring block（4 ）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. according to the wheel rim flaring device described in claim 3 or 4 or 5 or 6, it is characterised in that：At least in a flaring
Block（4 ）With with the duct that is connected to external air source（8）, duct（8）With passing to the first inclined-plane respectively（41）, the second inclined-plane（43
）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 CN106903232A (en) | 2017-06-30 |
| CN106903232B true CN106903232B (en) | 2018-09-07 |
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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 |
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| CN (1) | CN106903232B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018205772A1 (en) * | 2018-04-17 | 2019-10-17 | Thyssenkrupp Ag | Method and device for producing a rim |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61147935A (en) * | 1984-12-19 | 1986-07-05 | Kobe Steel Ltd | Manufacture of mono-black wheel |
| CN102407270B (en) * | 2010-09-26 | 2013-12-25 | 宝山钢铁股份有限公司 | Process for manufacturing asymmetrically flared rim and flaring mould |
| 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 |
| 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 |
| CN104289623B (en) * | 2013-07-16 | 2016-12-28 | 杭州润德车轮制造有限公司 | Forming method is expanded in the shrinkage of a kind of wheel rim body |
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2017
- 2017-02-17 CN CN201710087651.2A patent/CN106903232B/en active Active
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| CN106903232A (en) | 2017-06-30 |
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