CN102632096B - Spline extrusion moulding device - Google Patents
Spline extrusion moulding device Download PDFInfo
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- CN102632096B CN102632096B CN201210083919.2A CN201210083919A CN102632096B CN 102632096 B CN102632096 B CN 102632096B CN 201210083919 A CN201210083919 A CN 201210083919A CN 102632096 B CN102632096 B CN 102632096B
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- fuselage
- wedge
- spline
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Abstract
The invention relates to a spline extrusion moulding device, which comprises a power output part, a connecting rod boosting mechanism, an extrusion moulding mechanism, a clamping mechanism, and a pressing mechanism, wherein blanks are firstly transmitted into an upper cylinder-shaped moulding zone by the clamping mechanism; then an axial force is applied to the blanks by the pressing mechanism; different shapes of spline shafts and spline housings are extruded by the power input part, the connecting rod boosting mechanism and the extrusion moulding mechanism; a pressing force is removed after the extrusion is finished; and a manipulator is switched on to take off a workpiece. The spline extrusion moulding device disclosed by the invention has the advantages of small moulding force, high processing precision, simple and compact structure, high degree of automation, strong generality and the like.
Description
Technical field
The invention belongs to advanced material forming technique field, be specifically related to a kind of spline extrusion apparatus.
Background technology
Splined shaft and spline housing be as driving parts, have that contact area is large, bearing capacity is high, centering precision is high, guidance quality is good, tooth root is more shallow, stress concentrate less, to advantages such as the strength reduction of axle and wheel hub are little.In mechanical system, play a part between transmitter shaft and axle motion and moment of torsion, be that a kind of linking intensity is high, compact conformation, connecting mode that reliability is high, be widely used in the mechanical transmission device such as automobile, aircraft, lathe, engineering machinery, agricultural.
Owing to adopting, cutting technology machining shaft and axle tooth class part exist that stock utilization is low, long processing time, precision is low, mechanical property is poor shortcoming, and the cold extrusion technology of spline belongs to the advanced technologies without machining spline, compare with traditional machining, advantage is: with cold-extruded platen press processing spline, all profiles of tooth are once all extruded, and surface roughness can reach Ra0.4; Torsional strength improves more than 20%; Production efficiency improves nearly 10 times, saves material 10～30% etc.
The equipment major part of splined shaft extrusion molding has adopted the method for axial compression at present, the shortcoming of this processing method is to add the bar portion unstability that easily occurs blank man-hour, and cannot processing slim spline axial workpiece, therefore develop a kind of equipment of radial compression shaping splined shaft that adopts, be significant.
Summary of the invention
In order to overcome the shortcoming of prior art, the object of the invention is to provide a kind of spline extrusion apparatus, have advantages of simple in structure, compact, automaticity is high, highly versatile.
For achieving the above object, the technical solution used in the present invention is:
A spline extrusion apparatus, comprises power importation, connecting-rod force increasing device, extrusion molding mechanism, clamping device, hold-down mechanism,
Power importation comprises AC servo motor 1, AC servo motor 1 is connected with the input of planetary reducer 2, planetary reducer 2 is fixed on fuselage 3, the output of planetary reducer 2 is connected by shaft coupling with ball-screw 10, ball-screw 10 is arranged on the second bearing block 8 and clutch shaft bearing seat 4 by bearing, the second bearing block 8 and clutch shaft bearing seat 4 are fixed on fuselage 3, and feed screw nut 11 is connected on lower portable plate 12;
Connecting-rod force increasing device is quadruplet altogether, along 90 ° of upper mobile board 9 lower surface circumferencial directions, be evenly arranged, every cover comprises second connecting rod 6, second connecting rod 6 one end and lower portable plate 12 chain connections, one end chain connection of the other end and first connecting rod 5, the other end of first connecting rod 5 is connected with fuselage 3, one end of third connecting rod 7 and second connecting rod 6, first connecting rod 5 chain connections, the lower surface chain connection of the other end and upper mobile board 9;
Extrusion molding mechanism comprises lower cylindrical member 13, lower cylindrical member 13 is connected to the top of upper mobile board 9, lower wedge 14 is connected on lower cylindrical member 13 inner surfaces, on lower wedge 14, needle roller 15 is installed, on upper wedge 16, has semicircular concave, upper wedge 16 is connected on lobe mould 17, upper cylindrical member 18 is fixed on fuselage 3, in upper cylindrical member 18, be provided with lobe mould slideway, lobe mould 17 can slide in the lobe mould slideway of upper cylindrical member 18, and the outer surface of lower cylindrical member 13 can slide at the inner surface axial of upper cylindrical member 18;
Clamping device comprises that first nitrogen cylinder 20, the first nitrogen cylinder 20 one end are connected with manipulator 21 importations, and the other end is fixed on fuselage 3, manipulator 21 output clamping blanks 19;
Hold-down mechanism comprises that second nitrogen cylinder 22, the second nitrogen cylinder 22 one end 23 are connected with bearing down on one, and the other end is fixed on fuselage 3, and 23 lower surfaces that bear down on one compress the upper surface of blanks 19.
Described lower wedge 14, the bevel angle of upper wedge 16 are 15～30 °.
The present invention has the following advantages:
1, adopt multistage force-increasing mechanism, comprise that planetary reducer increases driving torque, connecting-rod force increasing device, the inclined plane force increasing mechanism that lower wedge 14, upper wedge 16 form, whole force-increasing mechanism driving force multiplication factor is 10～20.
2, simple in structure, compact, automaticity is high, highly versatile.
3, this equipment is applicable to the radially shaping extruding of differently contoured solid, hollow and special-shaped spline axle and axle tooth class part.For interior Profile Parts, during shaping, need to add the core with contoured in blank.For the different outline parts of processing, only need to design the lobe mould of given shape, the quantity of lobe mould is relevant with the part of shaping, conventionally gets 4,6,8 etc.
4, this equipment extrusion molding part adopts oblique mechanism self-aiming on the one hand, axially-movable is converted into the radial motion of lobe mould; On the other hand, on lower wedge, needle roller is installed, on upper wedge, has semicircular concave, transfer sliding friction to rolling friction, and realized the vibration when radial compression, reduced radially plastic force, improve the machining accuracy of part.During vibration, the size of amplitude can and change upper wedge by the needle roller by different-diameter size has semicircular concave diameter to realize, and the frequency of vibration can change needle roller and upper wedge has the centre-to-centre spacing between semicircular concave to realize.
Accompanying drawing explanation
Fig. 1 is the overall installation diagram of the present invention.
Fig. 2 is power of the present invention importation schematic diagram.
Fig. 3-1 is extrusion moulding machine conformational space schematic diagram of the present invention.
Fig. 3-2 are extrusion molding of the present invention mechanism floor map.
Fig. 4 is clamping device of the present invention and hold-down mechanism schematic diagram.
Fig. 5-1 is present device operation initial position schematic diagram.
Fig. 5-2 are present device operation final position schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
A spline extrusion apparatus, comprises power importation, connecting-rod force increasing device, extrusion molding mechanism, clamping device, hold-down mechanism,
See figures.1.and.2, power importation comprises AC servo motor 1, AC servo motor 1 is connected with the input of planetary reducer 2, planetary reducer 2 is fixed on fuselage 3, the output of planetary reducer 2 is connected by shaft coupling with ball-screw 10, ball-screw 10 is arranged on the second bearing block 8 and clutch shaft bearing seat 4 by bearing, and the second bearing block 8 and clutch shaft bearing seat 4 are fixed on fuselage 3, and feed screw nut 11 is connected on lower portable plate 12;
Connecting-rod force increasing device is quadruplet altogether, along 90 ° of upper mobile board 9 lower surface circumferencial directions, be evenly arranged, every cover comprises second connecting rod 6, second connecting rod 6 one end and lower portable plate 12 chain connections, one end chain connection of the other end and first connecting rod 5, the other end of first connecting rod 5 is connected with fuselage 3, one end of third connecting rod 7 and second connecting rod 6, first connecting rod 5 chain connections, the lower surface chain connection of the other end and upper mobile board 9;
With reference to Fig. 1, Fig. 3-1 and Fig. 3-2, extrusion molding mechanism comprises lower cylindrical member 13, lower cylindrical member 13 is bolted above upper mobile board 9, lower wedge 14 is bolted on lower cylindrical member 13 inner surfaces, on lower wedge 14, needle roller 15 is installed, on upper wedge 16, there is semicircular concave, upper wedge 16 is bolted on lobe mould 17, upper cylindrical member 18 is fixed on fuselage 3, in upper cylindrical member 18, be provided with lobe mould slideway, lobe mould 17 can slide in the lobe mould slideway of upper cylindrical member 18, the outer surface of lower cylindrical member 13 can slide at the inner surface axial of upper cylindrical member 18.
With reference to Fig. 4, clamping device comprises that first nitrogen cylinder 20, the first nitrogen cylinder 20 one end and manipulator 21 importations are bolted, and the other end is bolted on fuselage 3, manipulator 21 output clamping blanks 19.
With reference to Fig. 4, hold-down mechanism comprises that second nitrogen cylinder 22, the second nitrogen cylinder 22 one end 23 are bolted with bearing down on one, and the other end is bolted on fuselage 3, and 23 lower surfaces that bear down on one compress the upper surface of blanks 19.
Described lower wedge 14, the bevel angle of upper wedge 16 are 15～30 °.
Operation principle of the present invention is:
The present invention is applicable to, and shaping solid, hollow and special-shaped spline axle and axle tooth class part is processed.First by clamping device, blank 19 is sent into the shaped region of upper cylindrical member 18, by hold-down mechanism, apply certain axial force again, start AC servo motor 1, AC servo motor 1 first slows down through planetary reducer 2, planetary reducer 2 is connected with ball-screw 10 by shaft coupling, rotation is changed into the rectilinear motion of feed screw nut 11 and lower portable plate 12, lower portable plate 12 promotes upper mobile board 9 by linkage, in lower cylindrical member 13, lower wedge 14 axially-movables, lower wedge 14 makes upper wedge 16 radial motions by needle roller above, upper wedge 16 promotes lobe mould 17 and extrudes differently contoured splined shaft and spline housing, after having pushed, by controlling AC servo motor 1 reversion, lobe mould 17 is opened, remove thrust, open manipulator 21, take out workpiece, specifically with reference to Fig. 5-1 and Fig. 5-2, with reference to Fig. 5-1, it is present device operation initial position schematic diagram, Fig. 5-2 are present device operation final position schematic diagram.
Claims (2)
1. a spline extrusion apparatus, comprises power importation, connecting-rod force increasing device, extrusion molding mechanism, clamping device, hold-down mechanism, it is characterized in that:
Power importation comprises AC servo motor (1), AC servo motor (1) is connected with the input of planetary reducer (2), planetary reducer (2) is fixed on fuselage (3), the output of planetary reducer (2) is connected by shaft coupling with ball-screw (10), ball-screw (10) is arranged on the second bearing block (8) and clutch shaft bearing seat (4) by bearing, it is upper that the second bearing block (8) and clutch shaft bearing seat (4) are fixed on fuselage (3), and feed screw nut (11) is connected on lower portable plate (12);
Connecting-rod force increasing device is quadruplet altogether, along 90 ° of upper mobile board (9) lower surface circumferencial directions, be evenly arranged, every cover comprises second connecting rod (6), second connecting rod (6) one end and lower portable plate (12) chain connection, one end chain connection of the other end and first connecting rod (5), the other end of first connecting rod (5) is connected with fuselage (3), one end of third connecting rod (7) and second connecting rod (6), first connecting rod (5) chain connection, the lower surface chain connection of the other end and upper mobile board (9);
Extrusion molding mechanism comprises lower cylindrical member (13), lower cylindrical member (13) is connected to the top of upper mobile board (9), lower wedge (14) is connected on lower cylindrical member (13) inner surface, needle roller (15) is installed on lower wedge (14), upper wedge has semicircular concave on (16), upper wedge (16) is connected on lobe mould (17), upper cylindrical member (18) is fixed on fuselage (3), in upper cylindrical member (18), be provided with lobe mould slideway, lobe mould (17) can slide in the lobe mould slideway of upper cylindrical member (18), the outer surface of lower cylindrical member (13) can slide at the inner surface axial of upper cylindrical member (18),
Clamping device comprises the first nitrogen cylinder (20), and the first nitrogen cylinder (20) one end is connected with manipulator (21) importation, and it is upper that the other end is fixed on fuselage (3), manipulator (21) output clamping blank (19);
Hold-down mechanism comprises the second nitrogen cylinder (22), and the second nitrogen cylinder (22) one end is connected with bear down on one (23), and it is upper that the other end is fixed on fuselage (3), and (23) lower surface that bears down on one compresses the upper surface of blank (19).
2. a kind of spline extrusion apparatus according to claim 1, is characterized in that: the bevel angle of described lower wedge (14), upper wedge (16) is 15～30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210083919.2A CN102632096B (en) | 2012-03-27 | 2012-03-27 | Spline extrusion moulding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210083919.2A CN102632096B (en) | 2012-03-27 | 2012-03-27 | Spline extrusion moulding device |
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| CN102632096A CN102632096A (en) | 2012-08-15 |
| CN102632096B true CN102632096B (en) | 2014-04-23 |
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| CN201210083919.2A Active CN102632096B (en) | 2012-03-27 | 2012-03-27 | Spline extrusion moulding device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103586301B (en) * | 2013-11-21 | 2015-08-05 | 中国航天科技集团公司长征机械厂 | A kind of vibration cold extrusion plastic molding apparatus of axle head band spline class part |
| JP6050798B2 (en) * | 2014-10-10 | 2016-12-21 | 住友ゴム工業株式会社 | Rubber strip manufacturing equipment |
| CN106270025A (en) * | 2015-05-25 | 2017-01-04 | 天津世创机械制造有限公司 | A kind of steel plate bending machine |
| CN107497954B (en) * | 2017-10-12 | 2024-04-05 | 北京京诚瑞信长材工程技术有限公司 | Supercharged necking machine |
| CN107952810B (en) * | 2017-12-08 | 2019-07-16 | 四川航天长征装备制造有限公司 | Male splined shaft cold extrusion Accurate Shaping device and manufacturing process |
| CN111999305B (en) * | 2020-08-17 | 2023-04-25 | 浙江师范大学 | Machine vision hardware system and hub spline combination gap vision detection method |
| CN116086673B (en) * | 2023-04-11 | 2023-06-09 | 河北林桐机械制造有限公司 | Thrust rod thrust testing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3165203A (en) * | 1961-01-30 | 1965-01-12 | Nat Machinery Co | Can machine |
| DE3020159A1 (en) * | 1980-05-28 | 1982-02-18 | Mannesmann AG, 4000 Düsseldorf | Punching press for hollow work pieces - has stroke end stops, adjusted by wedges, acting with stop plate for press head |
| SU1268237A1 (en) * | 1984-01-20 | 1986-11-07 | Научно-производственное объединение по технологии машиностроения | Apparatus for forming hollow articles |
| SU1523208A1 (en) * | 1987-02-16 | 1989-11-23 | Е.А.Колкунов | Tool for extruding articles of variable section |
| RU1803216C (en) * | 1989-01-03 | 1993-03-23 | Государственный научно-исследовательский, проектный и конструкторский институт сплавов и обработки цветных металлов "Гипроцветметобработка" | Tool unit for extrusion of articles |
| CN1046106A (en) * | 1989-04-07 | 1990-10-17 | 马景云 | friction extruder |
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