CN202607304U - Accurate positioning device of inner star wheel - Google Patents
Accurate positioning device of inner star wheel Download PDFInfo
- Publication number
- CN202607304U CN202607304U CN 201220251584 CN201220251584U CN202607304U CN 202607304 U CN202607304 U CN 202607304U CN 201220251584 CN201220251584 CN 201220251584 CN 201220251584 U CN201220251584 U CN 201220251584U CN 202607304 U CN202607304 U CN 202607304U
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- CN
- China
- Prior art keywords
- wheel
- star
- material seat
- pushing block
- positioning device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an accurate positioning device of an inner star wheel. The accurate positioning device of the inner star wheel comprises a material seat which is fixedly connected with a base, wherein the material seat comprises a bottom part and a ring part which extends upwards along the edge of the bottom part; the inner star wheel is horizontally arranged on the bottom part; the ring part is provided with at least two openings which are evenly distributed along the circumferential direction; the positions of the openings are corresponding to the position of an inner fairway of the inner star wheel; movable round balls are arranged in the openings; the diameters of the movable round balls are greater than the diameter of the inner fairway of the inner star wheel; the material seat is surround by concave push blocks from the bottom; the push blocks are connected with the material seat through guide pillars; the guide pillars are fixed with the material seat; the push blocks slide up and down along the guide pillars; the push blocks are provided with compression surfaces which are located at the inclined lower sides of the movable round balls; air cylinders are arranged below the push blocks; and the air cylinders push the push blocks to move upwards so as to prop up the round balls. According to the accurate positioning device, the circumferential position and the center of the inner star wheel are accurately positioned, and the problem that the finish-processing unilateral allowance is uneven as the prepositioning accuracy is not enough during the finish processing of the inner star wheel is solved.
Description
Technical field
The utility model relates to a kind of star-wheel accurate positioning device.
Background technology
Constant velocity cardan joint is the universal joint that driving shaft equates with the rotating speed (angular speed) of driven shaft, and the axle that does not promptly overlap two axis couples together, and makes the mechanism of diaxon with unequal angular velocity transmission campaign.Constant velocity cardan joint is the vitals in the car drivetrain system, and on the automobile of front-wheel drive, its propons all is equipped with constant velocity cardan joint transmission shaft.The effect of constant velocity cardan joint has the power of engine is delivered to the driving wheel of automobile from speed changer, satisfies the requirement of car transmission shaft outer end corner; The power of engine is passed to wheel steadily, reliably; Beating of the inner suspension of compensation car satisfied the demand that car is run at high speed that drives.
The constant velocity cardan joint type that is used for car is a lot, and wherein using maximum is Rzeppa constant velocity joint and triangle posture constant velocity cardan joint, and it mainly contains major parts such as sliding sleeve, three-way axis, power transmission shaft, star-wheel, retainer, clutch can and forms.Because constant velocity cardan joint transmits heavy driving moment, with receiving load heavy, transmission accuracy is high, be in great demand, and be again safety member, so its major part all adopt finish forge spare to process.
Star-wheel is divided into multiple part patterns such as RF, AC, UF, VL as the vital part of constant velocity cardan joint by its nodal pattern difference.Because the requirement on machining accuracy of star-wheel is high, in the work flow of star-wheel, need repeatedly process, also to carry out further fine finishining after the roughing.In process, the location of star-wheel is extremely important, has only the positioning accuracy of star-wheel guaranteed, could guarantee the machining accuracy of star-wheel.But because the out-of-shape of star-wheel uses conventional location gimmick to be difficult to accomplish accurate location.
The utility model content
The shortcoming of prior art in view of the above, the purpose of the utility model is to provide a kind of star-wheel accurate positioning device, is used for solving the prior art star-wheel and in process, is difficult to pinpoint problem.
For realizing above-mentioned purpose and other relevant purposes, the utility model provides a kind of star-wheel accurate positioning device, comprises star-wheel, and the spherical outside surface of star-wheel is provided with the interior alley that a plurality of edges circumferentially are evenly distributed, and it also comprises the material seat, and the material seat is fixedly connected with pedestal; The material seat comprises a bottom and along the upwardly extending ring portion of bottom margin, star-wheel lies in a horizontal plane on the bottom; Ring portion is provided with the perforate that at least two edges circumferentially are evenly distributed, and the interior alley of the corresponding star-wheel in the position of perforate is placed with movable ball in the perforate, and the diameter of movable ball is greater than the diameter of the interior alley of star-wheel; The material seat is surrounded from the below by the spill pushing block, and pushing block is connected with the material seat through lead, and lead is fixing with the material seat, and pushing block slides up and down along lead; Pushing block is provided with the seal face of the oblique below that is positioned at movable ball, and the below of pushing block is provided with a cylinder, and cylinder promotion pushing block moves upward and props up movable ball.
Cylinder promotes pushing block and moves upward, and pushing block promotes the interior alley direction motion of movable ball to star-wheel, fine positioning the circumferential position and the center of star-wheel.
Preferably, movable ball is three, along circumferentially evenly distributing of star-wheel.Use three along the circumferential equally distributed movable ball of star-wheel, just can reach the purpose of fine positioning star-wheel, simple in structure.
Preferably, the bottom of material seat is provided with stop screw, and an end of stop screw is fixed in the bottom, and the other end of stop screw is positioned at the oblique below of movable ball.Stop screw makes after the material seat is shifted out in the star-wheel location, and movable ball can not roll in the in-material seat, can not hinder putting into of next star-wheel.
Preferably, also be connected between material seat and the pushing block through spring.Shift out the material seat when the star-wheel location, when cylinder returned, spring produced an active force to pushing block, makes pushing block separate with movable ball, and movable ball is returned to can free movable state.
As stated, the star-wheel accurate positioning device of the utility model has following beneficial effect:
Cylinder promotes pushing block and moves upward; Pushing block promotes the interior alley direction motion of movable ball to star-wheel; Fine positioning the circumferential position and the center of star-wheel; Not enough when having solved star-wheel fine finishining owing to the pre-determined bit precision, and the uneven problem of the monolateral surplus of fine finishining takes place, improved production efficiency and product quality.
Description of drawings
Fig. 1 is shown as the structural representation of a kind of specific embodiment of the utility model star-wheel accurate positioning device.
Fig. 2 is shown as the enlarged diagram that star-wheel and movable ball in the star-wheel accurate positioning device shown in Figure 1 cooperate.
The element numbers explanation
1 star-wheel
11 spherical outside surfaces
Alley in 12
2 material seats
21 bottoms
22 ring portions
23 perforates
3 pedestals
4 movable balls
5 pushing blocks
6 leads
7 cylinders
8 stop screws
9 springs
The specific embodiment
Below by the embodiment of particular specific embodiment explanation the utility model, be familiar with other advantages and effect that this technological personage can be understood the utility model easily by the content that this specification disclosed.
See also Fig. 1 to Fig. 2.Notice; The appended graphic structure that illustrates of this specification, ratio, size etc.; All only in order to cooperate the content that specification disclosed, understanding and reading for being familiar with this technological personage, is not in order to limit the enforceable qualifications of the utility model; Event is the technical essential meaning of tool not; The adjustment of the modification of any structure, the change of proportionate relationship or size is not influencing under effect that the utility model can produce and the purpose that can reach, and the technology contents that all should still drop on the utility model and disclosed gets in the scope that can contain.Simultaneously; Quoted in this specification as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc.; Also be merely be convenient to narrate clear, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment; Under no essence change technology contents, when also being regarded as the enforceable category of the utility model.
To shown in Figure 2, the utility model provides a kind of star-wheel accurate positioning device, comprises star-wheel 1 like Fig. 1, and the spherical outside surface 11 of star-wheel 1 is provided with the interior alley 12 that a plurality of edges circumferentially are evenly distributed; It also comprises material seat 2, and material seat 2 is fixedly connected with pedestal 3; Material seat 2 comprise a bottom 21 and along the bottom the upwardly extending ring portion 22 in 21 edges, star-wheel 1 lies in a horizontal plane on the bottom 21, the maximum gauge of the spherical outside surface 11 of star-wheel 1 is slightly less than the internal diameter of ring portion 22; Ring portion 22 is provided with the perforate 23 that at least two edges circumferentially are evenly distributed, and the interior alley 12 of the corresponding star-wheel 1 in the position of perforate 23 is placed with movable ball 4 in the perforate 23, and the diameter of movable ball 4 is greater than the diameter of the interior alley 12 of star-wheel 1; Material seat 2 is surrounded from the below by spill pushing block 5, and pushing block 5 is connected with material seat 2 through lead 6, and lead 6 is vertically placed, and lead 6 is fixing with material seat 2, and pushing block 5 slides up and down along lead 6; Pushing block 5 is provided with the seal face of the oblique below that is positioned at movable ball 4, and the below of pushing block 5 is provided with a cylinder 7, and cylinder 7 promotes pushing block 5 and moves upward, and makes seal face prop up movable ball 4, makes the interior alley 12 directions motion of movable ball 4 to star-wheel 1; Movable ball 4 is three, along circumferentially evenly distributing of star-wheel 1.
The bottom 21 of material seat 2 is provided with stop screw 8, and an end of stop screw 8 is fixed in the bottom 21, and the other end of stop screw 8 is positioned at the oblique below of movable ball 4.After star-wheel 1 was taken away by manipulator, stop screw 8 had limited movable ball 4 and has rolled in the in-material seat 2, and the opposite side of movable ball 4 has the restriction of pushing block 5, and movable ball 4 can only be free movable in certain restricted quarter.
Also be connected between material seat 2 and the pushing block 5 through spring 9; When cylinder 7 drive pushing blocks 5 moved upward, spring 9 was compressed, when cylinder 7 stops to move upward; During reposition; Spring 9 acts on 5 one thrusts of pushing block, makes pushing block 5 separate with movable ball 4, makes the affranchise state of activity of movable ball 4.
The fine positioning process of this star-wheel accurate positioning device is following:
1, manipulator is placed in star-wheel 1 to be processed to the material seat 2 through the first positioner of preceding working procedure;
2, cylinder 7 jack-up upwards promotes pushing block 5 and moves upward, and wherein lead 6 play the guiding role, the direction of motion of guiding pushing block 5;
3, pushing block 5 drives three movable steel balls 4 under the effect of cylinder 7, moves to the direction of the interior alley 12 of star-wheel 1, makes star-wheel 1 accurately circumferential position and center of location star-wheel 1 under the effect of three movable steel balls 4;
4, cylinder 7 returns, and when pushing block 5 resetted under the effect of spring 9, the star-wheel 1 of having good positioning was taken away from material seat 2 by manipulator;
5, movable steel ball 4 state of activity that in the restricted quarter, affranchises, the location of waiting for next star-wheel 1.
This star-wheel accurate positioning device; Be not only applicable to the star-wheel (like RF, AC, UF) in common liner ball road; Also be applicable to the star-wheel of special oblique alley (like VL); This star-wheel accurate positioning device makes star-wheel in accurately resetting of circumferencial direction, generally be used for the preceding fine positioning of alley fine finishining of star-wheel, or other needs star-wheel to confirm the operation of direction.
In sum, the utility model fine positioning the circumferential position and the center of star-wheel, when having solved star-wheel fine finishining because the pre-determined bit precision is not enough, and the uneven problem of the monolateral surplus of fine finishining takes place, improved production efficiency and product quality.So the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
The foregoing description is the principle and the effect thereof of illustrative the utility model only, but not is used to limit the utility model.Any be familiar with this technological personage all can be under the spirit and category of the utility model, the foregoing description is modified or is changed.Therefore, have common knowledge the knowledgeable under such as in the technical field, must contain by the claim of the utility model not breaking away from all equivalence modification or changes that spirit that the utility model discloses and technological thought are accomplished down.
Claims (4)
1. star-wheel accurate positioning device; Comprise star-wheel (1); The spherical outside surface (11) of said star-wheel (1) is provided with the interior alley (12) that a plurality of edges circumferentially are evenly distributed, and it is characterized in that: it also comprises material seat (2), and said material seat (2) is fixedly connected with pedestal (3); Said material seat (2) comprises a bottom (21) and the edge upwardly extending ring portion in edge, said bottom (21) (22); Said star-wheel (1) lies in a horizontal plane on the said bottom (21); Said ring portion (22) is provided with the perforate (23) that at least two edges circumferentially are evenly distributed; The interior alley (12) of the corresponding said star-wheel in the position of said perforate (23) (1); Be placed with movable ball (4) in the said perforate (23), the diameter of said movable ball (4) is greater than the diameter of the interior alley (12) of said star-wheel (1); Said material seat (2) is surrounded from the below by spill pushing block (5); Said pushing block (5) is connected with said material seat (2) through lead (6); Said lead (6) is fixing with said material seat (2), and said pushing block (5) slides up and down along said lead (6); Said pushing block (5) is provided with the seal face of the oblique below that is positioned at said movable ball (4), and the below of said pushing block (5) is provided with a cylinder (7), and said cylinder (7) promotes said pushing block (5) and moves upward and prop up said movable ball (4).
2. star-wheel accurate positioning device according to claim 1 is characterized in that: said movable ball (4) is three, along circumferentially evenly distributing of said star-wheel (1).
3. star-wheel accurate positioning device according to claim 1; It is characterized in that: the bottom (21) of said material seat (2) is provided with stop screw (8); One end of said stop screw (8) is fixed in the said bottom (21), and the other end of said stop screw (8) is positioned at the oblique below of said movable ball (4).
4. star-wheel accurate positioning device according to claim 1 is characterized in that: also be connected through spring (9) between said material seat (2) and the said pushing block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220251584 CN202607304U (en) | 2012-05-31 | 2012-05-31 | Accurate positioning device of inner star wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220251584 CN202607304U (en) | 2012-05-31 | 2012-05-31 | Accurate positioning device of inner star wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202607304U true CN202607304U (en) | 2012-12-19 |
Family
ID=47341036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220251584 Expired - Fee Related CN202607304U (en) | 2012-05-31 | 2012-05-31 | Accurate positioning device of inner star wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202607304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002168A (en) * | 2014-06-16 | 2014-08-27 | 上海纳铁福传动系统有限公司 | Metallographical cutting and positioning device of inner star wheel ball channel |
-
2012
- 2012-05-31 CN CN 201220251584 patent/CN202607304U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002168A (en) * | 2014-06-16 | 2014-08-27 | 上海纳铁福传动系统有限公司 | Metallographical cutting and positioning device of inner star wheel ball channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI GKN HUAYU DRIVELINE SYSTEMS CO., LTD. Free format text: FORMER NAME: NATIEFU DRIVE SHAFTS CO., LTD., SHANGHAI |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201315 Cambridge Road 950, Cambridge industry zone, Shanghai, Pudong New Area Patentee after: Shanghai GKN Huayu Driveline Systems Co., Ltd. Address before: 201315 Cambridge Road 950, Cambridge industry zone, Shanghai, Pudong New Area Patentee before: Natiefu Drive Shafts Co., Ltd., Shanghai |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20190531 |