CN202137308U - Swinging head device for achieving multi-branches rose curve motion trail without passing through central point - Google Patents
Swinging head device for achieving multi-branches rose curve motion trail without passing through central point Download PDFInfo
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- CN202137308U CN202137308U CN 201120199195 CN201120199195U CN202137308U CN 202137308 U CN202137308 U CN 202137308U CN 201120199195 CN201120199195 CN 201120199195 CN 201120199195 U CN201120199195 U CN 201120199195U CN 202137308 U CN202137308 U CN 202137308U
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- eccentric bushing
- gear
- curve
- yaw
- shaft
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Abstract
A swinging head device for achieving multi-branches rose curve motion trail without passing through the central point belongs to the technical field of rotary forging presses devices, and comprises a swinging head shaft, a drive device, and an inner eccentric bushing and an outer eccentric bushing which rotate in opposite direction with different rotating speed, wherein the shaft of the swinging head shaft is arranged in the cavity of the inner eccentric bushing, the inner eccentric bushing is arranged in the cavity of the outer eccentric bushing, the drive device is respectively connected with the inner eccentric bushing and the outer eccentric bushing, and the eccentricity of the outer eccentric bushing is larger than or less than the eccentricity of the inner eccentric bushing. The drive device of the utility model respectively drives the inner eccentric bushing and the outer eccentric bushing to rotate so as to make the inner eccentric bushing and the outer eccentric bushing rotate in opposite direction at different rotating speeds, so under the condition that the eccentricities of the inner eccentric bushing and the outer eccentric bushing are not equal, the motion trail of the central point of the end of the swinging head shaft is a multi-branches rose curve without passing through the central point; and with the multi-branches rose curve, the forming of the surface structural parts, such as bevel gears, clutches and the like can be processed, and since the swinging head shaft moves without passing through the center of the main shaft of the machine, the swinging head shaft is not easy to break.
Description
Technical field
The utility model relates to the rotary forging press equipment technical field, relates to a kind of only yaw device of the leafy curve movement locus of central point of realizing 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 sketch map 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, and slide block 2 ' is arranged at the below of yaw 1 ', and 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, and axle is connected with transmission device, and the center line of yaw 1 ' and machine shaft center line are crossing to have angle; This angle is the pivot angle of yaw, and when machine shaft rotated, the yaw center line rotated around the machine shaft center line; Yaw 1 ' produces swing, and 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, the yaw of home and abroad rotary forging press can be realized leafy curve movement locus, utilizes the leafy curve movement locus of yaw can machining of bevel gears, surface texture part forming such as clutch.The leafy curve movement locus of existing yaw is as shown in Figure 2, and surface texture part forming such as this movement locus can not machining of bevel gears, clutch are 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, and rotary forging press is equivalent to press, and equipment has lost yaw and realized the advantage of partial plastic forming because of pivot angle is arranged; The yaw pivot angle is that 0 yaw when spending is stressed very big, causes the yaw axle fracture easily.
The utility model content
The purpose of the utility model provides a kind of only yaw device of the leafy curve movement locus of central point of realizing, surface texture part forming such as it can machining of bevel gears, clutch and yaw axle be easy fracture not.
In order to realize such scheme; The technical solution of the utility model is: a kind of only yaw device of the leafy curve movement locus of central point of realizing; Comprising the different inside and outside eccentric bushing of yaw axle, transmission device and switched in opposite rotating speed; The axle of said yaw axle is installed on the inner chamber of said interior eccentric bushing; Eccentric bushing is installed on the inner chamber of outer eccentric bushing in said, and said transmission device is connected with said inside and outside eccentric bushing respectively, the eccentric throw of said outer eccentric bushing less than or greater than the eccentric throw of interior eccentric bushing.
The utility model is realized the only yaw device of the leafy curve movement locus of central point, and wherein said transmission device comprises motor, belt pulley, Pulley shaft and gearbox, and said motor is connected with belt pulley; Said Pulley shaft is coaxial with the power shaft of said gearbox, and first gear is installed on the said Pulley shaft, said first gear and second gears engaged; On said second gear second gear shaft is installed; Said second gear shaft is connected with said interior eccentric bushing, the 3rd gear is installed, said the 3rd gear and the 4th gears engaged on the output shaft of said gearbox; On said the 4th gear the 4th gear shaft is installed; Said the 4th gear shaft is connected with said outer eccentric bushing, and said second gear shaft is coaxial with the 4th gear shaft, and said second gear shaft passes the 4th gear shaft.
The utility model is realized the only yaw device of the leafy curve movement locus of central point; Wherein when the eccentric throw of outer eccentric bushing during less than the eccentric throw of interior eccentric bushing; Along with the eccentric throw of outer eccentric bushing increases gradually; The movement locus of said yaw axle head central point is that inner curve increases near, length of blade to the center gradually gradually, the leafy curve that width of blade narrows down gradually, and the said leafy curve number of sheets is the molecule and the denominator sum of outer eccentric bushing and interior eccentric bushing rotating ratio absolute value.
The utility model is realized the only yaw device of the leafy curve movement locus of central point; Wherein when the eccentric throw of outer eccentric bushing during greater than the eccentric throw of interior eccentric bushing; Along with the eccentric throw of outer eccentric bushing increases gradually; The movement locus of said yaw axle head central point be inner curve gradually to the outer ring increase gradually near, length of blade, width of blade narrows down gradually, the leafy curve that broadens gradually again after intersecting, the said leafy curve number of sheets is the molecule and the denominator sum of outer eccentric bushing and interior eccentric bushing rotating ratio absolute value.
After adopting such scheme; The utility model realizes that only the transmission device of the yaw device of the leafy curve movement locus of central point drives interior eccentric bushing and outer eccentric bushing rotation respectively; Eccentric bushing is different with the switched in opposite rotating speed of outer eccentric bushing in making; Like this under the unequal situation of eccentric throw of interior eccentric bushing and outer eccentric bushing, the central point movement locus of yaw axle head is the leafy curve of central point only, surface texture part forming such as this device of this leafy curve track of usefulness can machining of bevel gears, clutch; 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 sketch map of existing rotary forging press;
Fig. 2 is the leafy curve movement locus sketch map that the yaw of existing rotary forging press generates;
Fig. 3 is that the utility model is realized the only yaw apparatus structure sketch map of the leafy curve movement locus of central point;
Fig. 4 is the leafy curve movement locus sketch map that the utility model generates when the eccentric bushing eccentric throw is less than interior eccentric bushing eccentric throw outside;
Fig. 5 is the leafy curve movement locus sketch map that the utility model 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 utility model realizes that only the yaw device of the spiral motion track of central point comprises yaw axle 1, different interior eccentric bushing 2 and outer eccentric bushing 3 and the transmission devices 4 of direction of rotation rotating speed.Yaw axle 1 is made up 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, and motor 41 is connected with belt pulley 42 through V belt, and 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, the upper end that second gear shaft, 47, the second gear shafts 47 and interior eccentric bushing 2 are installed on second gear 46 links together; 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 are equipped with the 4th gear shaft 491, the four gear shafts 491 and are connected with outer eccentric bushing 3 on the 4th gear 49; 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, at R
1=R
2/ 7, R
1=2R
2/ 7, R
1=3R
2/ 7, R
1=4R
2/ 7, R
1=5R
2/ 7, R
1=6R
2/ 7 o'clock; Each corresponding leafy curve movement locus sketch map that yaw axle 1 is generated; When increasing gradually along with the eccentric throw of outer eccentric bushing 3; The inner curve of leafy curve gradually to the center near, length of blade increase gradually, width of blade narrows down gradually; The number of sheets of leafy curve is an outer eccentric bushing 3 and molecule and the denominator sum of the absolute value of interior eccentric bushing 2 rotating ratios, and the formation of each leafy curve all is that the absolute value of rotating speed ratio of rotating speed and the interior eccentric bushing 2 of eccentric bushing 3 outside is 6/5 among Fig. 4, so the number of sheets of above-mentioned each leafy curve is the 6+5=11 sheet.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, at R
1=8R
2/ 7, R
1=9R
2/ 7, R
1=10R
2/ 7, R
1=11R
2/ 7, R
1=12R
2/ 7, R
1=13R
2/ 7 o'clock; Each corresponding leafy curve movement locus sketch map that yaw axle 1 is generated; Along with the eccentric throw of outer eccentric bushing 3 increases gradually; The inner curve of leafy curve gradually to the outer ring near, length of blade increase gradually, width of blade narrows down early stage gradually, reach at width of blade that the narrowest back intersects, the blade leafy curve that no longer intersects and broaden gradually afterwards, R among the figure
1=8R
2/ 7 o'clock is that blade becomes the situation that the narrowest back intersects, R among the figure
1=9R
2/ 7, R
1=10R
2/ 7, R
1=11R
2/ 7, R
1=12R
2/ 7, R
1=13R
2/ 7 o'clock is the situation that blade no longer intersects, blade broadens gradually, and the formation of each leafy curve all is that the absolute value of rotating speed ratio of rotating speed and the interior eccentric bushing 2 of eccentric bushing 3 outside is 6/5 among Fig. 5, and therefore the number of sheets of above-mentioned each leafy curve is the 6+5=11 sheet.
With above-mentioned leafy curve movement locus can machining of bevel gears, surface texture part forming such as clutch because the yaw axle 1 end motion alignment of shafts of rivet bucker only, so the yaw axle is not easy fracture.
The above embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that the common engineers and technicians in this area make the technical scheme of the utility model all should fall in the protection domain that claims of the utility model confirm.
Claims (4)
1. realize the only yaw device of the leafy curve movement locus of central point for one kind; It is characterized in that: comprise yaw axle (1), transmission device (4) and the different inside and outside eccentric bushing (2 of switched in opposite rotating speed; 3); The axle (12) of said yaw axle (1) be installed on said in the inner chamber of eccentric bushing (2), said in eccentric bushing (2) be installed on the inner chamber of outer eccentric bushing (3), said transmission device (4) respectively with said inside and outside eccentric bushing (2; 3) connect, the eccentric throw of said outer eccentric bushing (3) less than or greater than the eccentric throw of interior eccentric bushing (2).
2. realization as claimed in claim 1 is the yaw device of the leafy curve movement locus of central point only; It is characterized in that: said transmission device (4) comprises motor (41), belt pulley (42), Pulley shaft (43) and gearbox (44); Said motor (41) is connected with belt pulley (42); Said Pulley shaft (43) is coaxial with the power shaft of said gearbox (44), and first gear (45) is installed on the said Pulley shaft (43), said first gear (45) and second gear (46) engagement; Second gear shaft (47) is installed on said second gear (46); Said second gear shaft (47) is connected with said interior eccentric bushing (2), on the output shaft (441) of said gearbox (44) the 3rd gear (48) is installed, said the 3rd gear (48) and the 4th gear (49) engagement; The 4th gear shaft (491) is installed on said the 4th gear (49); Said the 4th gear shaft (491) is connected with said outer eccentric bushing (3), and said second gear shaft (47) is coaxial with the 4th gear shaft (491), and said second gear shaft (47) passes the 4th gear shaft (491).
3. according to claim 1 or claim 2 the realization yaw device of the leafy curve movement locus of central point only; It is characterized in that: when the eccentric throw of outer eccentric bushing (3) during less than the eccentric throw of interior eccentric bushing (2); Along with the eccentric throw of outer eccentric bushing (3) increases gradually; The movement locus of said yaw axle (1) end central point is that inner curve increases near, length of blade to the center gradually gradually; The leafy curve that width of blade narrows down gradually, the said leafy curve number of sheets are the molecule and the denominator sum of outer eccentric bushing (3) and interior eccentric bushing (2) rotating ratio absolute value.
4. according to claim 1 or claim 2 the realization yaw device of the leafy curve movement locus of central point only; It is characterized in that: when the eccentric throw of outer eccentric bushing (3) during greater than the eccentric throw of interior eccentric bushing (2); Along with the eccentric throw of outer eccentric bushing (3) increases gradually; The movement locus of said yaw axle (1) end central point be inner curve gradually to the outer ring increase gradually near, length of blade, width of blade narrows down gradually, the leafy curve that broadens gradually again after intersecting, the said leafy curve number of sheets is the molecule and the denominator sum of outer eccentric bushing (3) and interior eccentric bushing (2) rotating ratio absolute value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120199195 CN202137308U (en) | 2011-06-14 | 2011-06-14 | Swinging head device for achieving multi-branches rose curve motion trail without passing through central point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120199195 CN202137308U (en) | 2011-06-14 | 2011-06-14 | Swinging head device for achieving multi-branches rose curve motion trail without passing through central point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202137308U true CN202137308U (en) | 2012-02-08 |
Family
ID=45548387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120199195 Expired - Lifetime CN202137308U (en) | 2011-06-14 | 2011-06-14 | Swinging head device for achieving multi-branches rose curve motion trail without passing through central point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202137308U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284609A (en) * | 2011-06-14 | 2011-12-21 | 北京机电研究所 | Swing head device for realizing motion path of multi-leaf rose line without passing through central point |
| CN103567344A (en) * | 2012-08-07 | 2014-02-12 | 洪泽县汽车半轴制造有限公司 | Automobile half-axle pendulum rolling formation technology mould |
| CN104112063A (en) * | 2014-06-06 | 2014-10-22 | 武汉理工大学 | Analysis designing method for rotary forging non-rotation upper die |
-
2011
- 2011-06-14 CN CN 201120199195 patent/CN202137308U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284609A (en) * | 2011-06-14 | 2011-12-21 | 北京机电研究所 | Swing head device for realizing motion path of multi-leaf rose line without passing through central point |
| CN102284609B (en) * | 2011-06-14 | 2013-07-17 | 北京机电研究所 | Swing head device for realizing motion path of multi-leaf rose line without passing through central point |
| CN103567344A (en) * | 2012-08-07 | 2014-02-12 | 洪泽县汽车半轴制造有限公司 | Automobile half-axle pendulum rolling formation technology mould |
| CN104112063A (en) * | 2014-06-06 | 2014-10-22 | 武汉理工大学 | Analysis designing method for rotary forging non-rotation upper die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120208 Effective date of abandoning: 20130717 |
|
| RGAV | Abandon patent right to avoid regrant |