CN102284610A - Swing head device for realizing elliptic motion path - Google Patents
Swing head device for realizing elliptic motion path Download PDFInfo
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- CN102284610A CN102284610A CN2011101588271A CN201110158827A CN102284610A CN 102284610 A CN102284610 A CN 102284610A CN 2011101588271 A CN2011101588271 A CN 2011101588271A CN 201110158827 A CN201110158827 A CN 201110158827A CN 102284610 A CN102284610 A CN 102284610A
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- gear
- eccentric bushing
- yaw
- eccentric sleeve
- shaft
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Abstract
The invention relates to a swing head device for realizing an elliptic motion path, and belongs to the technical field of swing rolling machine equipment. The device comprises a swing head shaft, a transmission device and an inner eccentric sleeve and an outer eccentric sleeve which rotate at the same speed in opposite directions, wherein the shaft of the swing head shaft is arranged in the inner cavity of the inner eccentric sleeve; the inner eccentric sleeve is arranged in the inner cavity of the outer eccentric sleeve; the transmission device is connected with the inner eccentric sleeve and the outer eccentric sleeve respectively; and the eccentricity of the outer eccentric sleeve is greater than or smaller than that of the inner eccentric sleeve. The transmission device drives the inner eccentric sleeve and the outer eccentric sleeve to rotate respectively, and the inner eccentric sleeve and the outer eccentric sleeve rotate at the same speed in the opposite directions, so that the motion path of a central point at the swing head shaft end is an ellipse under the condition that the eccentricity of the inner eccentric sleeve is unequal to that of the outer eccentric sleeve, and the device with the elliptic motion path can be used for processing and forming long strip parts such as a rack and the like; and the swing head shaft does not pass through the center of a machine spindle when moving, so the swing head shaft is difficult to break.
Description
Technical field
The present invention relates to the rotary forging press equipment technical field, relate to a kind of yaw device of realizing elliptical trajectory specifically.
Background technology
Rotary forging is the extraordinary forging and forming technology that replaces the bulk deformation of common Forging Technology with continuous local deformation, and its spreading power only is the 1/10-1/20 of common Forging Technology, and therefore, rotary forging can be used skinny device spreading heavy forging.
In conjunction with shown in Figure 1, the yaw working state structure schematic diagram of rotary forging press, this structure comprises yaw 1 ', slide block 2 ' and feed cylinder 3 ', yaw 1 ' top is cylindricality, the bottom of yaw 1 ' is conical, slide block 2 ' is arranged at the below of yaw 1 ', feed cylinder 3 ' is positioned at the below of slide block 2 ' and is connected with slide block 2 ', blank 4 ' is positioned between slide block 2 ' and the yaw 1 ', and yaw 1 ' is a patrix, and slide block 2 ' is a counterdie, the upper end of yaw 1 ' is provided with axle, axle is connected with transmission device, and the center line of yaw 1 ' and machine shaft center line are crossing to have angle, and this angle is the pivot angle of yaw, when machine shaft rotates, the yaw center line is around the rotation of machine shaft center line, and yaw 1 ' produces swing, meanwhile, slide block 2 ' rises under feed cylinder 3 ' effect, and blank 4 ' exerted pressure, the bus of yaw 1 ' just continuously rolls on blank 4 ', reaches integrally formed purpose at last.
At present, domestic, the yaw of outer rotary forging press can be realized straight-line trajectory, straight path schematic diagram as shown in Figure 2, utilize the straight path of yaw can manufacturing gear strip etc. the strip part forming, but this movement locus can not be realized strip part forming processing such as tooth bar, because the yaw of this movement locus is crossed the machine shaft center, it is the central lines of the center line and the machine shaft of yaw, pivot angle is 0 degree, rotary forging press is equivalent to press, equipment has lost yaw and has realized the advantage of partial plastic forming because of pivot angle is arranged, and the yaw pivot angle is that 0 yaw when spending is stressed very big, causes the yaw axle fracture easily.
Summary of the invention
The purpose of this invention is to provide a kind of yaw device of realizing elliptical trajectory, its can manufacturing gear strip etc. strip part forming and yaw axle easy fracture not.
In order to realize such scheme, technical solution of the present invention is: a kind of yaw device of realizing elliptical trajectory, comprising the identical inside and outside eccentric bushing of yaw axle, transmission device and switched in opposite rotating speed, the axle of described yaw axle is installed on the inner chamber of described interior eccentric bushing, eccentric bushing is installed on the inner chamber of outer eccentric bushing in described, described transmission device is connected with described inside and outside eccentric bushing respectively, the eccentric throw of described outer eccentric bushing less than or greater than the eccentric throw of interior eccentric bushing.
The present invention realizes the yaw device of elliptical trajectory, wherein said transmission device comprises motor, belt pulley, Pulley shaft and gearbox, described motor is connected with belt pulley, described Pulley shaft is coaxial with the power shaft of described gearbox, first gear is installed on the described Pulley shaft, described first gear and second gears engaged, on described second gear second gear shaft is installed, described second gear shaft is connected with described interior eccentric bushing, the 3rd gear is installed on the output shaft of described gearbox, described the 3rd gear and the 4th gears engaged, on described the 4th gear the 4th gear shaft is installed, described the 4th gear shaft is connected with described outer eccentric bushing, and described second gear shaft is coaxial with the 4th gear shaft, and described second gear shaft passes the 4th gear shaft.
The present invention realizes the yaw device of elliptical trajectory, wherein works as the eccentric throw R of outer eccentric bushing
1Eccentric throw R less than interior eccentric bushing
2The time, along with the eccentric throw R of described outer eccentric bushing
1Increase gradually, the central point movement locus of described yaw axle head is with 2 (R
1+ R
2) be major axis, 2|R
1-R
2| for minor axis and major axis increase the ellipse that minor axis reduces gradually gradually.
The present invention realizes the yaw device of elliptical trajectory, wherein works as the eccentric throw R of outer eccentric bushing
1Eccentric throw R greater than interior eccentric bushing
2The time, along with the eccentric throw R of described outer eccentric bushing
1Increase gradually, the central point movement locus of described yaw axle head is with 2 (R
1+ R
2) be major axis, 2|R
1-R
2| the ellipse that all increases gradually for minor axis and major axis and minor axis.
After adopting such scheme, the present invention realizes that the transmission device of the yaw device of elliptical trajectory drives interior eccentric bushing and outer eccentric bushing rotates, eccentric bushing is identical with the switched in opposite rotating speed of outer eccentric bushing in making, like this interior eccentric bushing with outside under the unequal situation of eccentric throw of eccentric bushing, the central point movement locus of yaw axle head is the ellipse of central point only, with the yaw device of this elliptical trajectory can manufacturing gear strip etc. the strip part forming, and the only machine shaft center because the yaw axle moves, so the yaw axle is not easy fracture.
Description of drawings
Fig. 1 is the yaw working state structure schematic diagram of existing rotary forging press;
Fig. 2 is the straight-line trajectory schematic diagram that the yaw of existing rotary forging press generates;
Fig. 3 is the yaw apparatus structure schematic diagram that the present invention realizes elliptical trajectory;
Fig. 4 is the elliptical trajectory schematic diagram that the present invention generates when the eccentric bushing eccentric throw is less than interior eccentric bushing eccentric throw outside;
Fig. 5 is the elliptical trajectory schematic diagram that the present invention generates when the eccentric bushing eccentric throw is greater than interior eccentric bushing eccentric throw outside.
The specific embodiment
As shown in Figure 3, the present invention realizes that only the yaw device of the spiral motion track of central point comprises yaw axle 1, interior eccentric bushing 2 and outer eccentric bushing 3 and transmission device 4 that the direction of rotation rotating speed is identical.Yaw axle 1 is made of yaw 11 and axle 12, and axle 12 is positioned at the top of yaw, and the bottom of yaw 11 is conical, the inner chamber of eccentric bushing 2 in axle 12 tops are installed in, and interior eccentric bushing 2 is installed on the inner chamber of outer eccentric bushing 3.The eccentric throw of outer eccentric bushing 3 less than or greater than the eccentric throw of interior eccentric bushing 2.Transmission device 4 comprises motor 41, belt pulley 42, Pulley shaft 43 and gearbox 44, motor 41 is connected with belt pulley 42 by V belt, Pulley shaft 43 is coaxial with the power shaft of gearbox 44, (being on the power shaft of gearbox 44) is equipped with first gear 45 on the Pulley shaft 43, first gear 45 and 46 engagements of second gear, second gear shaft 47 is installed on second gear 46, second gear shaft 47 links together with the upper end of interior eccentric bushing 2, the 3rd gear 48 is installed on the output shaft 441 of gearbox 44, the 3rd gear 48 and 49 engagements of the 4th gear, the 4th gear shaft 491 is installed on the 4th gear 49, the 4th gear shaft 491 is connected with outer eccentric bushing 3, second gear shaft 47 is coaxial with the 4th gear shaft 491, and second gear shaft 47 passes the 4th gear shaft 491.
As shown in Figure 4, as the eccentric throw R of outer eccentric bushing 3
1Eccentric throw R less than interior eccentric bushing 2
2The time, the movement locus that yaw axle 1 generated is with 2 (R
1+ R
2) be major axis, 2|R
1-R
2| be the ellipse of minor axis, R among the figure
2Value is fixing, works as R
1When increasing gradually, each corresponding elliptical orbit schematic diagram is schemed as can be seen to the right successively by left figure, and the major axis of elliptical orbit increases gradually, and minor axis reduces gradually.
As shown in Figure 5, as the eccentric throw R of outer eccentric bushing 3
1Eccentric throw R greater than interior eccentric bushing 2
2The time, the movement locus that yaw axle 1 generated is with 2 (R
1+ R
2) be major axis, 2 (R
1-R
2) be the ellipse of minor axis, R among the figure
2Value is fixing, works as R
1When increasing gradually, each corresponding elliptical orbit schematic diagram is schemed as can be seen to the right successively by left figure, and the major axis of elliptical orbit increases gradually, and minor axis also increases gradually.
With this device of above-mentioned elliptical trajectory can manufacturing gear strip etc. the strip part forming.Because 1 end motion of yaw axle is the alignment of shafts of rivet bucker only, so yaw axle 1 is not easy fracture.
The above embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (4)
1. yaw device of realizing elliptical trajectory, it is characterized in that: comprise yaw axle (1), transmission device (4) and the identical inside and outside eccentric bushing (2 of switched in opposite rotating speed, 3), the axle (12) of described yaw axle (1) is installed on the inner chamber of described interior eccentric bushing (2), eccentric bushing (2) is installed on the inner chamber of outer eccentric bushing (3) in described, described transmission device (4) respectively with described inside and outside eccentric bushing (2,3) connect, the eccentric throw of described outer eccentric bushing (3) less than or greater than the eccentric throw of interior eccentric bushing (2).
2. the yaw device of realization elliptical trajectory as claimed in claim 1, it is characterized in that: described transmission device (4) comprises motor (41), belt pulley (42), Pulley shaft (43) and gearbox (44), described motor (41) is connected with belt pulley (42), described Pulley shaft (43) is coaxial with the power shaft of described gearbox (44), first gear (45) is installed on the described Pulley shaft (43), described first gear (45) and second gear (46) engagement, second gear shaft (47) is installed on described second gear (46), described second gear shaft (47) is connected with described interior eccentric bushing (2), on the output shaft (441) of described gearbox (44) the 3rd gear (48) is installed, described the 3rd gear (48) and the 4th gear (49) engagement, the 4th gear shaft (491) is installed on described the 4th gear (49), described the 4th gear shaft (491) is connected with described outer eccentric bushing (3), described second gear shaft (47) is coaxial with the 4th gear shaft (491), and described second gear shaft (47) passes the 4th gear shaft (491).
3. the yaw device of realization elliptical trajectory as claimed in claim 1 or 2 is characterized in that: the eccentric throw R when outer eccentric bushing (3)
1Eccentric throw R less than interior eccentric bushing (2)
2The time, along with the eccentric throw R of described outer eccentric bushing (3)
1Increase gradually, the central point movement locus of described yaw axle (1) end is with 2 (R
1+ R
2) be major axis, 2|R
1-R
2| for minor axis and major axis increase the ellipse that minor axis reduces gradually gradually.
4. the yaw device of realization elliptical trajectory as claimed in claim 1 or 2 is characterized in that: the eccentric throw R when outer eccentric bushing (3)
1Eccentric throw R greater than interior eccentric bushing (2)
2The time, along with the eccentric throw R of described outer eccentric bushing (3)
1Increase gradually, the central point movement locus of described yaw axle (1) end is with 2 (R
1+ R
2) be major axis, 2|R
1-R
2| the ellipse that all increases gradually for minor axis and major axis and minor axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101588271A CN102284610A (en) | 2011-06-14 | 2011-06-14 | Swing head device for realizing elliptic motion path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101588271A CN102284610A (en) | 2011-06-14 | 2011-06-14 | Swing head device for realizing elliptic motion path |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102284610A true CN102284610A (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101588271A Pending CN102284610A (en) | 2011-06-14 | 2011-06-14 | Swing head device for realizing elliptic motion path |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104550A (en) * | 1985-06-14 | 1986-12-10 | 海因里希·施米德 | Wobble-die forging machine |
| US4646554A (en) * | 1982-01-25 | 1987-03-03 | Zahnradfabrik Friedrichshafen Ag. | Process for the manufacture of a rack |
| US4698992A (en) * | 1984-04-21 | 1987-10-13 | Heinrich Schmid Maschinen-Und Werkzeugbau Ag | Wobble-die forging machine |
| CN2187503Y (en) * | 1994-02-26 | 1995-01-18 | 方东 | Swinging roll compaction machine |
| EP0549771B1 (en) * | 1991-07-22 | 1995-05-24 | Colcon Anstalt | Wobble press |
| CN202151653U (en) * | 2011-06-14 | 2012-02-29 | 北京机电研究所 | Swinging head device capable of realizing elliptical motion trail |
-
2011
- 2011-06-14 CN CN2011101588271A patent/CN102284610A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4646554A (en) * | 1982-01-25 | 1987-03-03 | Zahnradfabrik Friedrichshafen Ag. | Process for the manufacture of a rack |
| US4698992A (en) * | 1984-04-21 | 1987-10-13 | Heinrich Schmid Maschinen-Und Werkzeugbau Ag | Wobble-die forging machine |
| CN85104550A (en) * | 1985-06-14 | 1986-12-10 | 海因里希·施米德 | Wobble-die forging machine |
| EP0549771B1 (en) * | 1991-07-22 | 1995-05-24 | Colcon Anstalt | Wobble press |
| CN2187503Y (en) * | 1994-02-26 | 1995-01-18 | 方东 | Swinging roll compaction machine |
| CN202151653U (en) * | 2011-06-14 | 2012-02-29 | 北京机电研究所 | Swinging head device capable of realizing elliptical motion trail |
Non-Patent Citations (2)
| Title |
|---|
| 《精密成形工程》 20110331 冯文成等 摆辗机摆头4种运动轨迹的模拟与分析 第2页第1栏第1段、图2，第3页第3.1节，第5页第3.3节 1-4 第3卷, 第2期 * |
| 冯文成等: "摆辗机摆头4种运动轨迹的模拟与分析", 《精密成形工程》 * |
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Application publication date: 20111221 |