CN1181937C - Spin forming method and its equipment - Google Patents
Spin forming method and its equipment Download PDFInfo
- Publication number
- CN1181937C CN1181937C CNB021149372A CN02114937A CN1181937C CN 1181937 C CN1181937 C CN 1181937C CN B021149372 A CNB021149372 A CN B021149372A CN 02114937 A CN02114937 A CN 02114937A CN 1181937 C CN1181937 C CN 1181937C
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- Prior art keywords
- feed
- slider
- axial
- chuck
- radial
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/40—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by wedge means
Abstract
The present invention relates to a spinning forming method and a device thereof. In the method of the present invention, while rotating with a machine tool spindle, a spinning wheel moves in a radial feed mode in the axial direction perpendicular to a machine tool; a blank can move in a linear feed mode in the longitudinal axial direction and the horizontal axial direction of the machine tool, and can deflect in the horizontal plane. The device of the present invention comprises a spinning wheel seat and a fixed clamping chuck, wherein the spinning wheel seat realizes the axial feed motion and the radial feed motion of the spinning wheel; the fixed clamping chuck realizes the translation and the rotation of the blank. The present invention can form nonaxisymmetrical thin wall hollow parts of which the axial lines are mutually parallel or have certain included angles in a spinning mode so that spinning technology breaks through the original processing technology range that spinning technology is only used for processing hollow axisymmetric (revolving body) parts. The present invention can be used for special-purpose machine tools and can also be arranged on common machine tools.
Description
(1) technical field
The present invention relates to mould pressing technical field in the plastic working, specifically be meant a kind of spin forming method and device thereof.
(2) background technology
Spinning is important forming technology technology in the plastic working field.Traditional rotary pressure technology is the feed motion by means of instruments such as spinning rollers, stresses on the lathe main shaft along the metal blank that same axis rotates, and makes it produce continuous local plastic deformation and becomes required hollow shaft symmetry (revolving body) part.And the non-axial symmetry off-centre that is parallel to each other or forms an angle between the each several part axis, inclination and crooked class thin-walled hollow parts normally adopt Sheet Metal Forming Technology, behind upper and lower two parts that are shaped, adopt the method for welding to make again.Take such process to produce, the thermal deformation that produces when welding on the one hand makes welding quality be difficult to guarantee; The increase of manufacturing procedure on the other hand not only makes percent defective increase, and causes the increase of direct labor, production equipment and production site, thereby improved production cost of products.
(3) summary of the invention
Purpose of the present invention is exactly the defective that exists in the above-mentioned prior art in order to overcome, a kind of spin forming method and device thereof are provided, utilize the design specialized lathe or, reach the purpose that adopts spin-on process directly to process the off-centre, inclination and the non-axial symmetry thin-walled hollow parts of crooked class that are parallel to each other or form an angle between the each several part axis by machine tool is transformed.
A kind of spin forming method of the present invention, it is characterized in that, the spinning roller that rotates along same axis with the lathe main shaft, by its radial feed motion, stress on respectively or move, in horizontal plane, carry out simultaneously the metal blank of yaw motion along longitudinal and transverse two axis directions of lathe as straight-line feed simultaneously, make it produce continuous local plastic deformation.
To achieve these goals, a kind of mould pressing device of the present invention, it is characterized in that, it by the rotary wheel base of the axial feed of realizing the spinning roller action and radial feed and realize the translation of blank action and the blank of rotation fixedly chuck two parts form, wherein, the axial feed part of rotary wheel base is by axial feed mechanism, the spline pipe, dog link, terminal pad, connecting ring, feed shelter, feed ring and axial slider interconnect composition, terminal pad is fixedlyed connected with axial feed mechanism, fixedly connected with feed shelter by connecting ring simultaneously, the left end of spline pipe is fixed in the lathe headstock, right-hand member is slidingly connected by dog link and terminal pad, feed ring is rolled with feed shelter and is connected, and fixedlys connected with feed ring in the end of axial slider; The radial feed part of rotary wheel base is interconnected by overcoat, pedestal, axial slider, radial slider and spinning roller group to be formed, overcoat is fixedlyed connected with machine tool chief axis, pedestal is contained in outer putting, the outward flange and the pedestal of axial slider are slidingly connected, inward flange and radial slider are slidingly connected, and the spinning roller group is installed on the radial slider; The blank fixedly translating sections of chuck is interconnected by transverse slider, longitudinal sliding block, transverse feed mechanism and longitudinal feed mechanism and forms, transverse slider is installed on the longitudinal sliding block, longitudinal feed mechanism is connected with longitudinal sliding block, and transverse feed mechanism is connected with transverse slider; The blank fixedly rotating part of chuck is interconnected by chuck, rolling disc, worm couple and forms, and worm couple is loaded on the transverse slider, and rolling disc is installed on the worm gear dish of worm couple, and chuck is installed on the rolling disc.
Core technology of the present invention is in process, does not resemble traditional spinning process blank to be installed on the machine tool chief axis with the lathe main axis rotation, is rotated with the lathe main shaft but spinning roller is installed on the machine tool chief axis.Therefore, spinning roller also will be done feed motion to reach the purpose of converted products along the revolution radial direction with rotary wheel base around the blank revolution simultaneously except that contacting with blank and carrying out the rotation; In process, blank is fixed on the chuck, not only can move as straight-line feed along longitudinal and transverse two axis directions of lathe, can carry out yaw motion simultaneously in horizontal plane.
In order to reach the purpose of invention, the present invention fuses pedestal, axial slider, radial slider and spinning roller group etc. by overcoat and machine tool chief axis, thereby realizes the revolution of spinning roller.By the restriction of axial feed mechanism of motor-driven and dog link, promote terminal pad, connecting ring, feed shelter, feed ring and axial slider, the axial feed part is moved along the machine axes direction.Promote radial slider by axial slider, axial feed motion is connected with the radial feed motion, the outward flange of axial slider is in axial sliding in pedestal, inward flange is in axial sliding in radial slider, the end is connected on the feed ring and rolls around feed shelter, thereby changes axial feed motion the radial feed motion of radial slider in pedestal into.Blank is installed on the chuck, and chuck is installed on the rolling disc, and rolling disc not only can move as straight-line feed along longitudinal and transverse two axis directions of lathe, can carry out yaw motion simultaneously in horizontal plane.For realizing the action of rolling disc, rolling disc is installed on the worm gear dish of worm couple, to realize the angular deflection in the horizontal plane.And worm couple is installed on the transverse slider, and transverse slider is installed on the longitudinal sliding block again, thereby realizes the horizontal and longitudinal translation of blank under the driving that laterally reaches longitudinal feed mechanism.In forming process, four motors of driving axial feed mechanism, worm couple, transverse feed mechanism and longitudinal feed mechanism are done coordination according to the concrete shape of part, thereby are shaped needed non-axial symmetry thin-walled hollow parts.
The present invention compared with prior art has following advantage and beneficial effect:
1. why conventional spinning can only process axisymmetric rotary part, be because blank rotates with the lathe main shaft in forming process, thereby no matter how spinning roller moves, and the part of formed thereby can only be axisymmetric revolving parts.In order to break through this limitation, must make blank in forming process, avoid turn state, and turn round by spinning roller.The present invention adopts spinning forming process, directly process the non-axial symmetry thin-walled hollow parts that is parallel to each other or forms an angle between the each several part axis, broken through the range of work of original spinning process, thereby greatly reduced production costs, improved the quality of products and production efficiency.
2. the present invention has widened the idea of existing spinning, and in forming process, blank can be with the lathe main axis rotation, but spinning roller is with the lathe main axis rotation.
3. apparatus of the present invention in the course of the work, spinning roller is when doing gyration with the lathe main shaft, move as radial feed perpendicular to the machine axes direction in the edge, and blank not only can move as straight-line feed along longitudinal and transverse two axis directions of lathe, and can make yaw motion in horizontal plane.
4. apparatus of the present invention both can be used for special purpose machine tool, also can be used for machine tool.
(4) description of drawings
Fig. 1 is the structural representation of apparatus of the present invention.
(5) specific embodiment
Below in conjunction with drawings and Examples, the present invention is done to describe in further detail.
As shown in Figure 1, axial feed mechanism 1 adopts the feed screw pair, terminal pad 4 fuses with axial feed mechanism 1 on the one hand, under the driving of motor 22, move vertically, fuse by connecting ring 5 and feed shelter 6 on the other hand, the left end of spline pipe 2 is fixed in lathe headstock 23, four dog links 3 and the terminal pad 4 of right-hand member are slidingly matched, and terminal pad 4 can not be rotated, and can only move vertically, and drive feed shelter 6 is made axial straight-line feed, feed ring is divided into a left side, right two, left feed ring 7 fixedly connected with right feed ring 8 be integral after, be connected with feed shelter 6 rollings, axial slider 11 is designed to wedge shape, its end is connected on the right feed ring 8, and rolls around feed shelter 6, does the straight-line feed motion vertically with feed shelter 6 simultaneously.Overcoat 9 be installed in machine tool chief axis in the lathe headstock 23 and be connected as a single entity and be rotated, pedestal 10 is contained on the overcoat 9, the outward flange of axial slider 11 is in axial sliding in the T-slot of pedestal 10, inward flange is in axial sliding in the dovetail groove that has 5～15 ° of inclination angles (for guaranteeing certain spinning force and radial feeds) of radial slider 12, axial slider 11 rotates around machine tool chief axis with pedestal 10 and radial slider 12 on one side, on feed shelter 6, roll on one side, thereby change the axial feed motion of feed shelter 6 the radial feed motion of radial slider 12 in the rectangular channel of pedestal 10 into, spinning roller group 13 is installed on the radial slider 12, radially does the straight-line feed motion with radial slider 12.Longitudinal feed mechanism 20 adopts vertical screw pair, and longitudinal feed mechanism 20 is connected as a single entity with longitudinal sliding block 18, under the driving of motor, makes longitudinal sliding block 18 do the straight-line feed motion in the longitudinal axis of guide rail 21 upper edge lathes.Transverse feed mechanism 19 adopts the cross lead screw pair, and transverse feed mechanism 19 is connected as a single entity with transverse slider 17, under the driving of motor, makes transverse slider 17 do the straight-line feed motion in the transversal line direction of longitudinal sliding block 18 upper edge lathes.Worm couple 16 is loaded on the transverse slider 17, thereby make the rolling disc 15 that is installed on the worm gear dish realize the feed motion of blank, it is the rotation that vertical, horizontal moves and horizontal plane is interior, chuck 14 is installed on the rolling disc 15, can be with rolling disc 15, vertical, horizontal in machine axes moves, and can rotate in horizontal plane.
The course of work of the present invention is as follows: blank is installed on chuck 14, part to be formed stretches in the centre bore of pedestal 10 and feed shelter 6, start machine tool chief axis then, driving overcoat 9, pedestal 10, axial slider 11 and spinning roller group 13 rotates, motor 22 driving axial feed mechanisms 1, by terminal pad 4, connecting ring 5, feed shelter 6, left feed ring 7 and right feed ring 8, promoting axial slider 11 moves right, and then promote radial slider 12 drive spinning roller groups 13 along moving perpendicular to the machine axes direction, so far, spinning roller group 13 contact blanks are started working.Can start or stop the rotation of axial feed mechanism 1 according to the shape need of part, promptly start or stop to move radially of spinning roller group 13.In 13 work of spinning roller group, fitted shaft partly or entirely starts transverse feed mechanism 19, longitudinal feed mechanism 20 and worm couple 16 to the action of feed mechanism 1, and needed various difform non-axisymmetric parts just can be shaped.In forming process, require four motors of driving axial feed mechanism 1, worm couple 16, transverse feed mechanism 19 and longitudinal feed mechanism 20 to do coordination according to the concrete shape of part.As mentioned above, can realize the present invention preferably.
Claims (3)
1. spin forming method, it is characterized in that, the spinning roller that rotates along same axis with the lathe main shaft, by its radial feed motion, stress on respectively or move, in horizontal plane, carry out simultaneously the metal blank of yaw motion along longitudinal and transverse two axis directions of lathe as straight-line feed simultaneously, make it produce continuous local plastic deformation.
2. mould pressing device, it is characterized in that, it by rotary wheel base and blank fixedly chuck two parts form, wherein, rotary wheel base is partly interconnected by axial feed part and radial feed to be formed, and blank fixedly chuck is interconnected by translating sections and rotating part and forms; The axial feed part of described rotary wheel base is by axial feed mechanism (1), spline pipe (2), dog link (3), terminal pad (4), connecting ring (5), feed shelter (6), feed ring (7), (8) and axial slider (11) interconnect composition, wherein, terminal pad (4) is fixedlyed connected with axial feed mechanism (1), fixedly connected with feed shelter (6) by connecting ring (5) simultaneously, the left end of spline pipe (2) is fixed in lathe headstock (23), right-hand member is slidingly connected by dog link (3) and terminal pad (4), feed ring (7), (8) being connected with feed shelter (6) rolling, fixedlys connected with feed ring (8) in the end of axial slider (11); The radial feed part of described rotary wheel base is interconnected by overcoat (9), pedestal (10), axial slider (11), radial slider (12) and spinning roller group (13) to be formed, wherein, overcoat (9) is fixedlyed connected with machine tool chief axis, pedestal (10) is contained on the overcoat (9), the outward flange of axial slider (11) and pedestal (10) are slidingly connected, inward flange and radial slider (12) are slidingly connected, and spinning roller group (13) is installed on the radial slider (12); The described blank fixedly translating sections of chuck is interconnected by transverse slider (17), longitudinal sliding block (18), transverse feed mechanism (19) and longitudinal feed mechanism (20) and forms, wherein, transverse slider (17) is installed on the longitudinal sliding block (18), longitudinal feed mechanism (20) is connected with longitudinal sliding block (18), and transverse feed mechanism (19) is connected with transverse slider (17); The described blank fixedly rotating part of chuck is interconnected and is formed by chuck (14), rolling disc (15), worm couple (16), worm couple (16) is loaded on the transverse slider (17), rolling disc (15) is installed on the worm gear dish of worm couple (16), and chuck (14) is installed on the rolling disc (15); Described chuck (14) can carry out translation in the vertical, horizontal of machine axes, and can be rotated motion in horizontal plane.
3. a kind of mould pressing device according to claim 2 is characterized in that axial slider (11) is a wedge shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021149372A CN1181937C (en) | 2002-03-07 | 2002-03-07 | Spin forming method and its equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021149372A CN1181937C (en) | 2002-03-07 | 2002-03-07 | Spin forming method and its equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1367054A CN1367054A (en) | 2002-09-04 |
| CN1181937C true CN1181937C (en) | 2004-12-29 |
Family
ID=4743366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021149372A Expired - Fee Related CN1181937C (en) | 2002-03-07 | 2002-03-07 | Spin forming method and its equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1181937C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304135C (en) * | 2004-11-18 | 2007-03-14 | 胡德林 | Barrel rotation processing method and apparatus |
| CN100346896C (en) * | 2005-07-21 | 2007-11-07 | 华南理工大学 | Gear spin pressure forming method and its device |
| CN101947590A (en) * | 2010-08-17 | 2011-01-19 | 江苏诚德钢管股份有限公司 | Roller spinning device for steel tube pointing machine |
| CN102069122A (en) * | 2010-12-14 | 2011-05-25 | 大连瑞谷科技有限公司 | Rolling locking notch technology for cylindrical roller copper retainer |
| CN102500690A (en) * | 2011-12-26 | 2012-06-20 | 天津天海同步科技股份有限公司 | Machining tool for thin-walled rotating body parts and machining equipment employing machining tool |
| CN104998949B (en) * | 2015-06-11 | 2017-06-06 | 华南理工大学 | A kind of small strain prepares the manufacturing process of nanometer/Ultra-fine Grained cylindrical member |
| CN105396927A (en) * | 2015-12-08 | 2016-03-16 | 苏州三孚自动化科技有限公司 | Spinning machine for manufacturing filter in compressor pipeline |
| CN109175054B (en) * | 2018-10-16 | 2024-02-02 | 山西众立法兰有限公司 | Internal rotation spinning machine |
| CN109175052B (en) * | 2018-10-16 | 2024-02-02 | 山西众立法兰有限公司 | Internal and external wheel counter-rotating machine |
| CN110090884B (en) * | 2019-06-13 | 2021-01-29 | 哈尔滨工业大学 | Opposite wheel spinning device of large-diameter thin-wall bottom sealing structure based on edge constraint |
-
2002
- 2002-03-07 CN CNB021149372A patent/CN1181937C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1367054A (en) | 2002-09-04 |
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Legal Events
| Date | Code | Title | Description |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IP01 | Partial invalidation of patent right |
Commission number: 4W02175 Conclusion of examination: Declaring that part 2114937.2 of the patent for invention is invalid, the patent right shall remain valid on the basis of claim 2 and 3 of the authorization notice Decision date of declaring invalidation: 20091029 Decision number of declaring invalidation: 14023 Denomination of invention: Spin forming method and its equipment Granted publication date: 20041229 Patentee: South China University of Technology |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041229 Termination date: 20130307 |