CN103157716A - Spinning and forming device of cylindrical part with inner strengthening and outer thinning - Google Patents
Spinning and forming device of cylindrical part with inner strengthening and outer thinning Download PDFInfo
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- CN103157716A CN103157716A CN2013101164502A CN201310116450A CN103157716A CN 103157716 A CN103157716 A CN 103157716A CN 2013101164502 A CN2013101164502 A CN 2013101164502A CN 201310116450 A CN201310116450 A CN 201310116450A CN 103157716 A CN103157716 A CN 103157716A
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Abstract
The invention relates to a spinning and forming device of a cylindrical part with inner strengthening and outer thinning. The spinning and forming device of the cylindrical part with inner strengthening and outer thinning is suitable for manufacturing a cylindrical part with especially big diameter to enable uniformity of wall thickness of a workpiece to be thinned, the manufacturing cost is reduced, and the purpose of efficient forming of cylindrical parts with different diameters is achieved. The spinning and forming device of the cylindrical part with inner strengthening and outer thinning comprises an actuating device, a holding device, a feeding device and working rolls. The working rolls are formed by a main roll, a plurality of auxiliary supporting rolls and a rotating roll. The main roll is supported by a drive variable speed reversing mechanism which is arranged on a tool body and a tail portion supporting seat body and driven to rotate by an actuating device I through the drive variable speed reversing mechanism. A guide rail and a drive shaft are arranged on the tool body, a sliding rail machine is arranged on the drive shaft, and the drive shaft is driven to rotate by an actuating device II to enable the sliding rail machine to move along the guide rail in a right and left mode. A radial feed device is arranged on the sliding rail machine, and the rotating roll is arranged at the top of the radial feed device. The holding device which is used for holding the cylindrical workpiece is arranged on the main roll. Clamping nuts are arranged at two ends of the holding device. The inner wall of the cylindrical workpiece is attached to the main roll, and the cylindrical workpiece rotates as the main roll rotates.
Description
Technical field
The present invention relates to the outer attenuate cylindrical member mould pressing equipment of a kind of interior enhancing, be used for the mould pressing cylindrical work pieces, realize that thin-wall case evenly is shaped, and belongs to mechanical engineering field.
Background technology
Current mould pressing technology has comprised conventional spinning and shear spinning technology, no matter and which kind of spin forming method, generally all need to make core, for adopting the thin-wall tube-shaped workpiece of rotary pressure technology processing straight barrel type usually also to need first to process a core identical with desired diameter, carry out the pattern attenuate and be shaped.and carry out the reduction processing cylindrical work pieces for the needs of large diameter, at first make super-huge core difficulty very large, namely allow to processing, its efficient is also low especially, particularly for the demand of those special trades, if by adopting traditional shear spinning technology, high expensive, also be restricted technically simultaneously, the drawback of bringing in order to change traditional rotary pressure technology, the present invention proposes a home roll that intensity is enough is set in the inside of large diameter cylindrical work pieces, outer setting revolve roller, and under the supporting role of supplemental support roller realization to cylindrical work pieces, form crimp by revolving roller and home roll, and by rotation, crush zone is enlarged, thereby complete the processing to super-huge bore straight tube workpiece.Enforcement by this patent can greatly reduce manufacturing cost and improve forming efficiency.
CN102114511A discloses a kind of processing method of cylindrical spinning mandrel, guarantees that by reliable technique process spinning mandrel can satisfy serviceability; Core long service life by this technique is made can be widely used in the making production of critical equipment tubular core in rotary pressing processing.
CN1424156 discloses a kind of method of rotation press closing large diameter thin wall pipe, realizes sealing by heating and the spinning mode of middle undergauge.
CN1986099 discloses a kind of great diameter and long tubular workpiece spinning processing method with interior outward flange, can rotary pressing processing go out to grow up in 3 meters, cylindrical member that have inside and outside flange.
US3874208 discloses a kind of device of forming cylinder shape cylindrical work pieces, and wherein a plurality of forming rolls and mandrel move along the longitudinal direction of cylindrical work pieces simultaneously.
Do not find the patent close or similar to this patent in new known method and apparatus according to present looking into.
Summary of the invention
The invention provides the outer attenuate cylindrical member mould pressing equipment of a kind of interior enhancing, its purpose is to utilize the principle of mould pressing to realize that large-scale bore cylindrical work pieces housing attenuate is shaped, by a general home roll, revolve roller and a plurality of supplemental support roller, improving forming efficiency and to reduce working (machining) efficiency, for the mould pressing of large-scale internal diameter cylindrical work pieces provides a kind of implementation.
Above-mentioned purpose of the present invention is achieved in that accompanying drawings is as follows:
The outer attenuate cylindrical member mould pressing equipment of a kind of interior enhancing mainly is comprised of drive unit, clamping device, feed arrangement and working roll, it is characterized in that:
described working roll is by a home roll 14 and a plurality of supplemental support roller 15 and revolve roller 7 and form, described home roll 14 is supported by the transmission gear shift changement 3 and the tail support pedestal 11 that are arranged on lathe bed 13, and drive rotation by drive unit I 1 by transmission gear shift changement 3, guide rail 9 and driving shaft 10 are housed on lathe bed 13, slide rail device 16 is housed on driving shaft 10, driving shaft 10 drives rotation by drive unit II 2 makes slide rail device 16 move left and right along guide rail 9, radial feeding device 8 is housed on slide rail device 16, describedly revolve the top that roller 7 is contained in radial feeding device 8, clamping device 5 for clamping cylindrical work pieces 12 is housed on home roll 14, clamping device 5 two ends are equipped with the binding nut 4 for location and control cylindrical work pieces 12 axial elongations, the inwall of cylindrical work pieces 12 and home roll 14 are fitted, and rotate simultaneously with the rotation of working roll.
Described supplemental support roller 15 is comprised of plural active rotation backing roll or passive rotary supporting roller, do the active backing roll and should drive rotation by transmission gear shift changement 3 by drive unit I 1, supplemental support roller 15 is arranged in the outside or inner of cylindrical work pieces 12.
Described tail supporting mechanism 11 supports home roll 14 and supplemental support roller 15, and supporting mechanism is equipped with and home roll 14 and aiding support roller 15 releasing mechanisms simultaneously, guarantees the loading and unloading of cylindrical work pieces 12.
Described cylindrical work pieces 12 limits it by two ends clamping device 5 and does vertically motion to the left or to the right; Described clamping device 5 is comprised of sleeve 17, outer bearing support ring 18, inner bearing support ring 21, journal bearing 20 and axial thrust bearing 19, described outer bearing support ring 18 is connected with the inner bearing support ring and is connected with sleeve 17 by two journal bearings 20, installation shaft axial thrust bearing 19 between outer bearing support ring 18 and inner bearing support ring 21.
The described roller 7 that revolves drives rotation by drive unit III 6, promote radial feed by radial feeding device 8, revolve between roller 7 and home roll 14 and to consist of the crimp district, and by home roll 14 and the active rotation of revolving roller 7, the crimp district of cylindrical work pieces 12 is expanded to circumferencial direction.
Described drive unit I 1 and drive unit II 2 make up as required and arrange or arrange separately, and described drive unit I 1, drive unit II 2 and drive unit III 6 adopt motor or hydraulic motor.
Technique effect of the present invention is:
The present invention uses general home roll of rear employing just can realize the mould pressing of different size internal diameter cylindrical member, not only reduced the complicated technology of making core, can solve simultaneously the difficult problem of molding large straight barrel type workpiece, greatly improved forming speed, strengthened making the working ability of seamless large-scale straight barrel type workpiece.
Description of drawings
Fig. 1 revolves roller to be arranged in top and cylindrical member to be carried out the structural representation of attenuate spinning machine;
Fig. 2 revolves roller to be arranged in the bottom and cylindrical member to be carried out the structural representation of attenuate spinning machine;
Fig. 3 revolves roller to be arranged in top and cylindrical member to be carried out the working portion sectional drawing of attenuate spinning machine;
Fig. 4 revolves roller to be arranged in the bottom and cylindrical member to be carried out the working portion sectional drawing of attenuate spinning machine;
Fig. 5 is the working portion sectional drawing that carries out the attenuate spinning machine with four supplemental support rollers
Fig. 6 is a kind of cylindrical work pieces clamping device structural representation.
In figure: 1-drive unit 2-drive unit 3-transmission gear shift changement 4-binding nut 5-clamping device 6-drive unit 7-revolves roller 8-radial feeding device 9-guide rail 10-driving shaft 11-tail support pedestal 12-cylindrical work pieces 13-lathe bed 14-home roll 15-supplemental support roller 16-slide rail device 17-sleeve 18-outer bearing support ring 19-axial thrust bearing 20-journal bearing
21-inner bearing support ring
The specific embodiment
consult accompanying drawing, the outer attenuate cylindrical member mould pressing equipment of interior enhancing, mainly by drive unit, clamping device, feed arrangement and working roll form, working roll is by a home roll 14 and a plurality of supplemental support roller 15 and revolve roller 7 and form, home roll 14 is supported by the transmission gear shift changement 3 and the tail support pedestal 11 that are arranged on lathe bed 13, and drive rotation by drive unit I 1 by transmission gear shift changement 3, guide rail 9 and driving shaft 10 are housed on lathe bed 13, slide rail device 16 is housed on driving shaft 10, driving shaft 10 drives rotation by drive unit II 2 makes slide rail device 16 move left and right along guide rail 9, radial feeding device 8 is housed on slide rail device 16, describedly revolve the top that roller 7 is contained in radial feeding device 8, clamping device 5 for clamping cylindrical work pieces 12 is housed on home roll 14, clamping device 5 two ends are equipped with the binding nut 4 for location and control cylindrical work pieces 12 axial elongations, the inwall of cylindrical work pieces 12 and home roll 14 are fitted, and rotate simultaneously with the rotation of working roll.
The described roller 7 of revolving drives rotation by drive unit III 6, promotes radial feeds by radial feeding device 8, revolves to consist of the crimp district between roller 7 and home roll 14, and by home roll 14 and the active rotation of revolving roller 7, the crimp district is expanded to circumferencial direction.
Described drive unit I 1 and drive unit II 2 make up as required and arrange or arrange separately, and described drive unit I 1, drive unit II 2 and drive unit III 6 adopt motor or hydraulic motor.
with reference to accompanying drawing 1, lathe bed is the basis that all parts shown in the figure are installed, can carry out different manufacturings and installation according to different spinning structure lathe beds, the transmission gear shift changement of installing at lathe bed be for transmission of power to home roll and power transmission shaft, or be connected the rotation that realizes backing roll with backing roll, power can be passed to equally as required driving shaft is used for driving slide rail device and does a left side or right movement along guide rail, and then drive by slide rail device and revolve roller and do a left side or right movement, revolve roller under the effect of radial feeding device, the material that makes cylindrical work pieces produces crimp revolving between roller and home roll, revolve simultaneously roller and home roll under the effect of each automatic drive device, the crimp that makes is along circumferentially expansion, form circumferential attenuate distortion, make circumferential attenuate distortion expand to whole cylindrical member by revolving the left of roller or moving right simultaneously, thereby formed the whole attenuate distortion of cylindrical work pieces.Simultaneously as can be seen from the figure, if with the fixing cylindrical work pieces two ends cylindrical work pieces clamping device of binding nut, make the two ends of cylindrical work pieces can not free-extension, therefore retrained the axial elongation of cylindrical work pieces, be out of shape thereby cylindrical work pieces produces hole enlargement.If reduce the binding nut of a certain end, cylindrical work pieces is axially producing elongation strain, so according to different demands, the present invention can realize different purposes.
With reference to accompanying drawing 2, be arranged in the bottom and cylindrical member carried out the structural representation of attenuate spinning machine for revolving roller, because this equipment carries out mould pressing for the larger cylindrical member of internal diameter, therefore can carry out as required difference and arrange, but the structural representation of the functional and accompanying drawing 1 of its spinning machine is consistent.
With reference to accompanying drawing 3, be arranged in top and cylindrical member carried out the working portion sectional drawing of attenuate spinning machine for revolving roller, supplemental support roller in figure is arranged on the outside of cylindrical member, by the pressure that increases the supplemental support roller, the normal pressure of cylindrical member and home roll is strengthened, and then increase the frictional force of cylindrical member inner surface and home roll.Be conducive to the rotation of cylindrical member.
With reference to accompanying drawing 4, be arranged in the bottom and cylindrical member carried out the working portion sectional drawing of attenuate spinning machine, different arrangements for revolving roller.
With reference to accompanying drawing 5, be the working portion sectional drawing that carries out the attenuate spinning machine with four supplemental support rollers, four supplemental support rollers can be designed to drive roll or driven roll, or two be designed to drive roll, other be designed to driven roll.
With reference to accompanying drawing 6, be a kind of cylindrical work pieces clamping device structural representation, as can be seen from the figure, the inner bearing support ring contacts with sheet material, when the cylindrical work pieces clamping device clamps cylindrical work pieces, the inner bearing support ring forms a revolute pair with cylindrical work pieces under the effect of frictional force, be conducive to reduce the rotational resistance to cylindrical work pieces, can not affect because of the increase of clamping force the rotation of cylindrical work pieces.
Clearly, it is exemplary that the content shown in above description and accompanying drawing all should be understood to be, and be not to mean limitation of the present invention.To those skilled in the art, obviously can be on basis of the present invention increase and reduce to the quantity of the quantity of its backing roll and home roll and with the quantity of revolving roller that home roll forms corresponding relation, home roll also is exemplary example with the arrangement that revolves roller simultaneously, for a person skilled in the art, can select different azimuth to arrange.Obviously, these different arrangements or modification all should be within the scope of the present invention.
Claims (6)
1. strengthen outer attenuate cylindrical member mould pressing equipment in one kind, mainly formed by drive unit, clamping device, feed arrangement and working roll, it is characterized in that:
described working roll is by a home roll (14) and a plurality of supplemental support roller (15) and revolve roller (7) and form, described home roll (14) is supported by the transmission gear shift changement (3) and the tail support pedestal (11) that are arranged on lathe bed (13), and drive rotation by drive unit I (1) by transmission gear shift changement (3), guide rail (9) and driving shaft (10) are housed on lathe bed (13), slide rail device (16) is housed on driving shaft (10), driving shaft (10) drives rotation by drive unit II (2) makes slide rail device (16) move left and right along guide rail (9), radial feeding device (8) is housed on slide rail device (16), describedly revolve the top that roller (7) is contained in radial feeding device (8), clamping device (5) for clamping cylindrical work pieces (12) is housed on home roll (14), clamping device (5) two ends are equipped with the binding nut (4) for location and control cylindrical work pieces (12) axial elongation, the inwall of cylindrical work pieces (12) and home roll (14) are fitted, and rotate simultaneously with the rotation of working roll.
2. the outer attenuate cylindrical member mould pressing equipment of interior enhancing according to claim 1 is characterized in that:
Described supplemental support roller (15) is comprised of plural active rotation backing roll or passive rotary supporting roller, do the active backing roll and should drive rotation by transmission gear shift changement (3) by drive unit I (1), supplemental support roller (15) is arranged in the outside or inner of cylindrical work pieces (12).
3. the outer attenuate cylindrical member mould pressing equipment of interior enhancing according to claim 1 is characterized in that:
Described tail supporting mechanism (11) supports home roll (14) and supplemental support roller (15), and supporting mechanism is equipped with and home roll (14) and aiding support roller (15) releasing mechanism simultaneously, guarantees the loading and unloading of cylindrical work pieces (12).
4. the outer attenuate cylindrical member mould pressing equipment of interior enhancing according to claim 1 is characterized in that:
Described cylindrical work pieces (12) limits it by two ends clamping device (5) and does vertically motion to the left or to the right; Described clamping device (5) is comprised of sleeve (17), outer bearing support ring (18), inner bearing support ring (21), journal bearing (20) and axial thrust bearing (19), described outer bearing support ring (18) is connected 21 with the inner bearing support ring) be connected installation shaft axial thrust bearing (19) between outer bearing support ring (18) and inner bearing support ring (21) with sleeve (17) by two journal bearings (20).
5. the outer attenuate cylindrical member mould pressing equipment of interior enhancing according to claim 1 is characterized in that:
The described roller (7) that revolves drives rotation by drive unit III (6), promote radial feed by radial feeding device (8), revolve between roller (7) and home roll (14) and to consist of the crimp district, and by home roll (14) and the active rotation of revolving roller (7), the crimp district of cylindrical work pieces (12) is expanded to circumferencial direction.
6. the outer attenuate cylindrical member mould pressing equipment of interior enhancing according to claim 1 is characterized in that:
Described drive unit I (1) and drive unit II (2) make up as required and arrange or arrange separately, and described drive unit I (1), drive unit II (2) and drive unit III (6) adopt motor or hydraulic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101164502A CN103157716A (en) | 2013-04-07 | 2013-04-07 | Spinning and forming device of cylindrical part with inner strengthening and outer thinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101164502A CN103157716A (en) | 2013-04-07 | 2013-04-07 | Spinning and forming device of cylindrical part with inner strengthening and outer thinning |
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| Publication Number | Publication Date |
|---|---|
| CN103157716A true CN103157716A (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101164502A Pending CN103157716A (en) | 2013-04-07 | 2013-04-07 | Spinning and forming device of cylindrical part with inner strengthening and outer thinning |
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| CN (1) | CN103157716A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198901A (en) * | 2021-05-24 | 2021-08-03 | 南通大通宝富风机有限公司 | Spinning device and method for improving forming efficiency of flat front disc of impeller |
Citations (7)
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|---|---|---|---|---|
| CN88101904A (en) * | 1987-04-07 | 1988-11-02 | 克里斯蒂安拉吉利股份公司 | The method and apparatus of cold-roll forming of annular workpieces |
| JP2007283343A (en) * | 2006-04-14 | 2007-11-01 | Nippon Spindle Mfg Co Ltd | Drawing method and its apparatus |
| CN101823111A (en) * | 2010-05-28 | 2010-09-08 | 二重集团（德阳）重型装备股份有限公司 | Overlarge type ring rolling machine |
| CN201862679U (en) * | 2010-10-21 | 2011-06-15 | 胡景春 | Four-spinning-wheel, three-beam and two-column numerical-control power spinning machine |
| CN102284585A (en) * | 2011-07-08 | 2011-12-21 | 应一凡 | Spin forming device for seamless metal pipe fitting |
| CN102688927A (en) * | 2012-05-11 | 2012-09-26 | 西北工业大学 | Forward spinning mechanism for cylindrical member |
| CN203265358U (en) * | 2013-04-07 | 2013-11-06 | 吉林大学 | Internally-reinforced externally-thinned cylindrical part spinning forming equipment |
-
2013
- 2013-04-07 CN CN2013101164502A patent/CN103157716A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88101904A (en) * | 1987-04-07 | 1988-11-02 | 克里斯蒂安拉吉利股份公司 | The method and apparatus of cold-roll forming of annular workpieces |
| JP2007283343A (en) * | 2006-04-14 | 2007-11-01 | Nippon Spindle Mfg Co Ltd | Drawing method and its apparatus |
| CN101823111A (en) * | 2010-05-28 | 2010-09-08 | 二重集团（德阳）重型装备股份有限公司 | Overlarge type ring rolling machine |
| CN201862679U (en) * | 2010-10-21 | 2011-06-15 | 胡景春 | Four-spinning-wheel, three-beam and two-column numerical-control power spinning machine |
| CN102284585A (en) * | 2011-07-08 | 2011-12-21 | 应一凡 | Spin forming device for seamless metal pipe fitting |
| CN102688927A (en) * | 2012-05-11 | 2012-09-26 | 西北工业大学 | Forward spinning mechanism for cylindrical member |
| CN203265358U (en) * | 2013-04-07 | 2013-11-06 | 吉林大学 | Internally-reinforced externally-thinned cylindrical part spinning forming equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198901A (en) * | 2021-05-24 | 2021-08-03 | 南通大通宝富风机有限公司 | Spinning device and method for improving forming efficiency of flat front disc of impeller |
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| PB01 | Publication | ||
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Application publication date: 20130619 |