CN220373004U - Special fixture for grinding star of overrunning clutch - Google Patents
Special fixture for grinding star of overrunning clutch Download PDFInfo
- Publication number
- CN220373004U CN220373004U CN202322023877.XU CN202322023877U CN220373004U CN 220373004 U CN220373004 U CN 220373004U CN 202322023877 U CN202322023877 U CN 202322023877U CN 220373004 U CN220373004 U CN 220373004U
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- plate
- fixedly arranged
- star
- push rod
- rod
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- 238000001514 detection method Methods 0.000 claims abstract description 33
- 238000005498 polishing Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 6
- 230000010485 coping Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model relates to the technical field of machining, in particular to a special fixture for grinding an overrunning clutch star, which can automatically detect the angle of a tooth flap plane, reduce the dependence on the experience of workers, and has high detection precision, small error and high reliability; the three-jaw chuck comprises a bottom plate, a support plate, a motor and an inner support three-jaw chuck, wherein the support plate is fixedly arranged on the bottom plate, the motor is fixedly arranged on the support plate, a rotating shaft is arranged at the output end of the motor, the rotating shaft is rotatably arranged on the support plate, and the inner support three-jaw chuck is fixedly arranged on the rotating shaft; the device also comprises a detection mechanism, wherein the detection mechanism is arranged on the bottom plate and has the function of detecting whether the plane is in a horizontal state or not.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a special fixture for grinding an overrunning clutch star.
Background
The overrun clutch is a clutch with friction pair comprising wedge block, inner and outer roller tracks. When the inner ring, the outer ring and the wedge block do not have relative motion, the steering is the same, the rotating speeds are equal, the torque can be transmitted, otherwise, the sliding state without the torque transmission is called overrunning. And stars are important components on overrunning clutches, which are used primarily to house rollers. In order to ensure the reliability of the movement of the roller on the star, the tooth flap plane of the star needs to be polished, and the star is structured as shown in figure 7 of the specification. Because the grinding movement track of the grinding device is generally horizontal linear movement, before grinding the tooth flap plane of the star, the star is clamped and fixed, and the tooth flap plane needing grinding on the star is adjusted to be horizontal.
In the prior art, a special fixture for grinding the star of the overrunning clutch with the patent application number of 201320500154.8 mainly comprises a clamping device and a moving device, when the star is clamped, the star is clamped and fixed firstly, then the clamping device is enabled to move through the moving device, and the star is driven to move until a tooth plane on the star to be ground rotates to a horizontal posture, and then the tooth plane is ground by using an external grinding device.
During the use process, the tooth flap plane on the star is found out, and when the tooth flap plane on the star is leveled, whether the tooth flap plane rotates to a horizontal posture is visually detected only by the experience of workers, the experience of the workers is highly dependent, and the error is highly observed by the workers, so that the subsequent grinding process is easily influenced, and therefore, a clamp capable of automatically detecting whether the tooth flap plane is leveled is needed.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the special fixture for repairing and grinding the star of the overrunning clutch, which can automatically detect the angle of the tooth flap plane, reduces the dependence on the experience of workers, and has high detection precision, small error and high reliability.
The utility model relates to a star grinding special fixture of an overrunning clutch, which comprises a bottom plate, a support plate, a motor and an inner support three-jaw chuck, wherein the support plate is fixedly arranged on the bottom plate; the device also comprises a detection mechanism, wherein the detection mechanism is arranged on the bottom plate and has the function of detecting whether the plane is in a horizontal state or not; when the plane of the tooth flap on the star is polished, the star is clamped and fixed through an inner support three-jaw chuck, then whether the plane of the tooth flap to be polished on the star is in a horizontal state or not is detected through a detection mechanism, if the plane of the tooth flap to be polished on the star is not in the horizontal state, a motor is started according to the detection result, the motor drives the star to slowly rotate through a rotating shaft by the inner support three-jaw chuck until the plane of the tooth flap to be polished on the star rotates to a horizontal posture, then the plane of the tooth flap to be polished is detected again through the detection mechanism until the detection result is within an error allowable range, and the plane of the tooth flap is polished by using a polishing device; the angle of the tooth flap plane can be automatically detected, manual visual inspection by experience is avoided, the error is small, the detection precision is high, and the reliability in the grinding process is ensured.
Preferably, the detection mechanism comprises a connecting plate, a push rod, a measuring head, a pointer, a graduated scale, a moving device and an elastic connecting piece, wherein the elastic connecting piece is arranged on the moving device, the moving device is arranged on the bottom plate and used for moving the elastic connecting piece, the elastic direction of the elastic connecting piece is a vertical direction, the connecting plate is arranged at the elastic end of the elastic connecting piece, the push rod is fixedly arranged at the lower end of the connecting plate, the measuring head is arranged at the lower end of the push rod, the pointer is fixedly arranged on the connecting plate, the pointer points to the graduated scale, and the graduated scale is fixedly arranged at the fixed end of the elastic connecting piece; when the plane detection of the tooth valve is performed, the moving device drives the elastic connecting piece to move, the elastic connecting piece drives the ejector rod to move downwards until the measuring head contacts with the plane end face of the tooth valve, the elastic connecting piece is in a compressed state, then the moving device drives the elastic connecting piece to move left and right, the elastic connecting piece drives the measuring head and the ejector rod to move in the left and right direction, and the measuring head and the plane end face of the tooth valve synchronously move along with the state of the plane end face of the tooth valve during movement, so that the ejector rod drives the connecting plate to synchronously move up and down, the connecting plate synchronously moves the pointer, the posture of the plane end face of the tooth valve can be deduced according to the change of the numerical value on the pointer pointing scale, the detection of the plane posture of the tooth valve is facilitated, and convenience is improved.
Preferably, the elastic connecting piece comprises a spring, a fixed plate and a sliding rod, the lower end of the spring is fixedly arranged on the connecting plate, the upper end of the spring is fixedly arranged on the fixed plate, the fixed plate is fixedly arranged on the moving device, the sliding rod and the fixed plate are vertically and slidably arranged, and the sliding rod is fixedly arranged at the upper end of the connecting plate; through the arrangement, the connecting plate can move up and down relative to the fixing plate, so that convenience is improved.
Preferably, the moving device comprises a fixed frame, a connecting rod, a sliding block, an electric sliding rail and a lifting device, wherein the fixed frame is fixedly arranged on a fixed plate, the fixed frame is fixedly arranged at the lower end of the connecting rod, the connecting rod is fixedly arranged on the sliding block, the sliding block is arranged on the electric sliding rail, the electric sliding rail is used for moving the sliding block left and right, the electric sliding rail is arranged on the lifting device, and the lifting device is used for adjusting the height of the electric sliding rail; when the plane detection of the tooth valve is performed, the measuring head is firstly contacted with the plane of the tooth valve, the spring is in a compressed state, then the sliding block is moved left and right through the electric sliding rail, the sliding block drives the sliding rod to move left and right through the fixed frame by the connecting rod, the sliding rod drives the measuring head to move left and right through the connecting plate by the ejector rod, the measuring head is uniformly contacted with the end face of the plane of the tooth valve in the process of moving left and right, and the angle detection of the plane of the tooth valve is performed; the tooth flap plane angle detection is convenient, and the convenience is improved.
Preferably, the lifting device comprises a base plate, a supporting plate, a hydraulic cylinder, a push rod and a lifting plate, wherein the base plate is fixedly arranged on the base plate, the supporting plate is fixedly arranged on the supporting plate, the hydraulic cylinder is fixedly arranged at the upper end of the supporting plate, the push rod is vertically and slidably arranged at the upper part of the supporting plate, the upper end of the push rod is connected with the output end of the hydraulic cylinder, the lifting plate is fixedly arranged at the lower end of the push rod, and the electric sliding rail is fixedly arranged at the lower end of the lifting plate; when the plane detection of the tooth valve is performed, firstly, a push rod drives a lifting plate to adjust the height through a hydraulic cylinder, the lifting plate drives a sliding block to drive a connecting rod to adjust the height through an electric sliding rail, the connecting rod enables a fixing plate to adjust the height through a fixing frame, the fixing plate enables a connecting plate to drive a push rod to adjust the height through a spring until a measuring head on the push rod is in contact with the plane of the tooth valve, the spring is in a compressed state, and then the angle of the plane of the tooth valve is detected after the push rod drives the measuring head to move left and right; because the height of the ejector rod can be adjusted, the device can detect tooth petal planes on stars with different specifications, is convenient to use, has low limitation and high practicability.
Preferably, a rubber pad is arranged on the inner support three-jaw chuck; through the arrangement, the star is prevented from being crushed by the inner support three-jaw chuck.
Preferably, a dust cover is arranged on the hydraulic cylinder; through the arrangement, the cleanliness of the hydraulic cylinder in the use process is improved.
Compared with the prior art, the utility model has the beneficial effects that: the angle of the tooth flap plane can be automatically detected, dependence on experience of workers is reduced, detection accuracy is high, errors are small, and reliability is high.
Drawings
FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;
FIG. 2 is a schematic view of the structure of the lifter plate, the electric slide rail, the measuring head, etc.;
FIG. 3 is a schematic view of the structure of FIG. 2, partially enlarged at A;
FIG. 4 is a schematic diagram of the front view of the present utility model;
FIG. 5 is a schematic view of the structure of the measuring head when detecting the tooth plane;
FIG. 6 is a schematic view of the coping device in coping the tooth flap plane;
FIG. 7 is a schematic view of the structure of a star;
the reference numerals in the drawings: 1. a bottom plate; 2. a support plate; 3. a motor; 4. an internal support three-jaw chuck; 5. a connecting plate; 6. a push rod; 7. a measuring head; 8. a pointer; 9. a graduated scale; 10. a spring; 11. a fixing plate; 12. a slide bar; 13. a fixed frame; 14. a connecting rod; 15. a slide block; 16. an electric slide rail; 17. a substrate; 18. a support plate; 19. a hydraulic cylinder; 20. a push rod; 21. a lifting plate; 22. a star; 23. a tooth plane; 24. and (5) a polishing device.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1 to 5, the special fixture for repairing and grinding the star body of the overrunning clutch comprises a bottom plate 1, a support plate 2, a motor 3, an internal support three-jaw chuck 4 and a detection mechanism, wherein the support plate 2 is fixedly arranged on the bottom plate 1, the motor 3 is fixedly arranged on the support plate 2, the output end of the motor 3 is provided with a rotating shaft, the rotating shaft is rotatably arranged on the support plate 2, the internal support three-jaw chuck 4 is fixedly arranged on the rotating shaft, the detection mechanism is arranged on the bottom plate 1, and the detection mechanism has the function of detecting whether a plane is in a horizontal state or not; when the tooth flap plane 23 on the star 22 is polished, firstly, the star 22 is clamped and fixed by the inner support three-jaw chuck 4, then, whether the tooth flap plane 23 to be polished on the star 22 is in a horizontal state or not is detected by the detection mechanism, if not, the motor 3 is started according to the detection result, the motor 3 drives the inner support three-jaw chuck 4 to drive the star 22 to slowly rotate through the rotating shaft until the tooth flap plane 23 to be polished on the star 22 rotates to a horizontal posture, then, the detection mechanism is used for detecting the tooth flap plane until the detection result is within the allowable error range, and the tooth flap plane 23 is polished by the polishing device 24; the angle of the tooth flap plane 23 can be automatically detected, manual visual inspection by experience is avoided, the error is small, the detection precision is high, and the reliability in the grinding process is ensured.
As shown in fig. 2 and 3, the detection mechanism comprises a connecting plate 5, a push rod 6, a measuring head 7, a pointer 8, a graduated scale 9, a moving device and an elastic connecting piece, wherein the elastic connecting piece is arranged on the moving device, the moving device is arranged on the bottom plate 1 and is used for moving the elastic connecting piece, the elastic direction of the elastic connecting piece is a vertical direction, the connecting plate 5 is arranged at the elastic end of the elastic connecting piece, the push rod 6 is fixedly arranged at the lower end of the connecting plate 5, the measuring head 7 is arranged at the lower end of the push rod 6, the pointer 8 is fixedly arranged on the connecting plate 5, the pointer 8 points to the graduated scale 9, and the graduated scale 9 is fixedly arranged at the fixed end of the elastic connecting piece; when the tooth plane 23 is detected, the moving device drives the elastic connecting piece to move, the elastic connecting piece drives the ejector rod 6 to move downwards until the measuring head 7 contacts with the end face of the tooth plane 23, the elastic connecting piece is in a compressed state, then the moving device drives the elastic connecting piece to move left and right, the elastic connecting piece drives the measuring head 7 and the ejector rod 6 to move in the left and right directions, and the measuring head 7 moves synchronously along with the state of the end face of the tooth plane 23 when moving due to the fact that the measuring head 7 contacts with the tooth plane 23, and then the ejector rod 6 drives the connecting plate 5 to move synchronously up and down, the connecting plate 5 enables the pointer 8 to move synchronously up and down, the posture of the end face of the tooth plane 23 can be deduced according to the change of the numerical value of the pointer 8 pointing to the graduated scale 9, the detection of the posture of the tooth plane 23 is facilitated, and convenience is improved.
The elastic connecting piece comprises a spring 10, a fixed plate 11 and a sliding rod 12, wherein the lower end of the spring 10 is fixedly arranged on the connecting plate 5, the upper end of the spring 10 is fixedly arranged on the fixed plate 11, the fixed plate 11 is fixedly arranged on the moving device, the sliding rod 12 and the fixed plate 11 are vertically and slidably arranged, and the sliding rod 12 is fixedly arranged at the upper end of the connecting plate 5;
the moving device comprises a fixed frame 13, a connecting rod 14, a sliding block 15, an electric sliding rail 16 and a lifting device, wherein the fixed frame 13 is fixedly arranged on a fixed plate 11, the fixed frame 13 is fixedly arranged at the lower end of the connecting rod 14, the connecting rod 14 is fixedly arranged on the sliding block 15, the sliding block 15 is arranged on the electric sliding rail 16, the electric sliding rail 16 is used for moving the sliding block 15 left and right, the electric sliding rail 16 is arranged on the lifting device, and the lifting device is used for adjusting the height of the electric sliding rail 16; when the tooth plane 23 is detected, firstly, the measuring head 7 is contacted with the tooth plane 23, the spring 10 is in a compressed state, then the sliding block 15 is moved left and right through the electric sliding rail 16, the sliding block 15 drives the fixed frame 13 to drive the sliding rod 12 to move left and right through the connecting rod 14, the sliding rod 12 drives the ejector rod 6 to drive the measuring head 7 to move left and right through the connecting plate 5, the measuring head 7 is uniformly contacted with the end face of the tooth plane 23 in the process of moving left and right, and the angle of the tooth plane 23 is detected; the detection of the angle of the tooth flap plane 23 is facilitated, and convenience is improved.
As shown in fig. 4, the lifting device comprises a base plate 17, a support plate 18, a hydraulic cylinder 19, a push rod 20 and a lifting plate 21, wherein the base plate 17 is fixedly arranged on the base plate 1, the support plate 18 is fixedly arranged on the support plate 18, the hydraulic cylinder 19 is fixedly arranged at the upper end of the support plate 18, the push rod 20 is vertically and slidably arranged at the upper part of the support plate 18, the upper end of the push rod 20 is connected with the output end of the hydraulic cylinder 19, the lifting plate 21 is fixedly arranged at the lower end of the push rod 20, and the electric sliding rail 16 is fixedly arranged at the lower end of the lifting plate 21; when the tooth plane 23 is detected, firstly, the push rod 20 drives the lifting plate 21 to adjust the height through the hydraulic cylinder 19, the lifting plate 21 drives the sliding block 15 to drive the connecting rod 14 to adjust the height through the electric sliding rail 16, the connecting rod 14 drives the fixing plate 11 to adjust the height through the fixing frame 13, the fixing plate 11 drives the connecting plate 5 to drive the ejector rod 6 to adjust the height through the spring 10 until the measuring head 7 on the ejector rod 6 is contacted with the tooth plane 23, the spring 10 is in a compressed state, and then the ejector rod 6 drives the measuring head 7 to move left and right to detect the angle of the tooth plane 23; because the height of the ejector rod 6 can be adjusted, the device can detect the tooth petal planes 23 on the stars 22 with different specifications, is convenient to use, has low limitation and high practicability.
Example 2
On the basis of the embodiment 1, a rubber pad is additionally arranged on the inner support three-jaw chuck 4; by the above arrangement, the internal stay three-jaw chuck 4 is prevented from crushing the star 22.
What needs to be stated is:
1. the direction of the arrow in fig. 6 is the direction of movement of the external grinding device 24 when grinding the tooth flap plane 23.
2. The measuring head 7 is applied to the surface of the steel plate with the patent application number of 201721762232.6
The measuring heads in 2015177013. X can all be used
The inner support three-jaw chuck 4, the connecting plate 5, the pointer 8, the spring 10, the hydraulic cylinder 19 and the electric slide rail 16 of the special fixture for grinding the star of the overrunning clutch are all purchased in the market, and can be installed and operated by a person skilled in the art according to the attached use instruction without creative labor of the person skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The special fixture for grinding the star of the overrunning clutch comprises a bottom plate (1), a support plate (2), a motor (3) and an internal support three-jaw chuck (4), wherein the support plate (2) is fixedly arranged on the bottom plate (1), the motor (3) is fixedly arranged on the support plate (2), a rotating shaft is arranged at the output end of the motor (3), the rotating shaft is rotatably arranged on the support plate (2), and the internal support three-jaw chuck (4) is fixedly arranged on the rotating shaft; the device is characterized by further comprising a detection mechanism, wherein the detection mechanism is arranged on the bottom plate (1) and has the function of detecting whether the plane is in a horizontal state or not.
2. The overrun clutch star polishing special fixture according to claim 1, wherein the detection mechanism comprises a connecting plate (5), a push rod (6), a measuring head (7), a pointer (8), a graduated scale (9), a moving device and an elastic connecting piece, wherein the elastic connecting piece is arranged on the moving device, the moving device is arranged on the bottom plate (1) and used for moving the elastic connecting piece, the elastic direction of the elastic connecting piece is a vertical direction, the connecting plate (5) is arranged at the elastic end of the elastic connecting piece, the push rod (6) is fixedly arranged at the lower end of the connecting plate (5), the measuring head (7) is arranged at the lower end of the push rod (6), the pointer (8) is fixedly arranged on the connecting plate (5), the pointer (8) points to the graduated scale (9), and the graduated scale (9) is fixedly arranged at the fixed end of the elastic connecting piece.
3. The overrunning clutch star grinding special fixture according to claim 2, wherein the elastic connecting piece comprises a spring (10), a fixed plate (11) and a sliding rod (12), the lower end of the spring (10) is fixedly arranged on the connecting plate (5), the upper end of the spring (10) is fixedly arranged on the fixed plate (11), the fixed plate (11) is fixedly arranged on the moving device, the sliding rod (12) and the fixed plate (11) are vertically and slidably arranged, and the sliding rod (12) is fixedly arranged at the upper end of the connecting plate (5).
4. A special fixture for grinding an overrunning clutch star as defined in claim 3, wherein the moving device comprises a fixed frame (13), a connecting rod (14), a sliding block (15), an electric sliding rail (16) and a lifting device, the fixed frame (13) is fixedly arranged on the fixed plate (11), the fixed frame (13) is fixedly arranged at the lower end of the connecting rod (14), the connecting rod (14) is fixedly arranged on the sliding block (15), the sliding block (15) is arranged on the electric sliding rail (16), the electric sliding rail (16) is used for moving the sliding block (15) left and right, the electric sliding rail (16) is arranged on the lifting device, and the lifting device is used for adjusting the height of the electric sliding rail (16).
5. The overrunning clutch star grinding special fixture according to claim 4, wherein the lifting device comprises a base plate (17), a supporting plate (18), a hydraulic cylinder (19), a push rod (20) and a lifting plate (21), wherein the base plate (17) is fixedly arranged on the base plate (1), the supporting plate (18) is fixedly arranged on the supporting plate (18), the hydraulic cylinder (19) is fixedly arranged at the upper end of the supporting plate (18), the push rod (20) is arranged on the upper part of the supporting plate (18) in a sliding manner, the upper end of the push rod (20) is connected with the output end of the hydraulic cylinder (19), the lifting plate (21) is fixedly arranged at the lower end of the push rod (20), and the electric sliding rail (16) is fixedly arranged at the lower end of the lifting plate (21).
6. The overrunning clutch star polishing special fixture according to claim 1, wherein a rubber pad is arranged on the internal support three-jaw chuck (4).
7. The overrunning clutch star grinding special fixture according to claim 5, characterized in that a dust cover is arranged on the hydraulic cylinder (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322023877.XU CN220373004U (en) | 2023-07-28 | 2023-07-28 | Special fixture for grinding star of overrunning clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322023877.XU CN220373004U (en) | 2023-07-28 | 2023-07-28 | Special fixture for grinding star of overrunning clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220373004U true CN220373004U (en) | 2024-01-23 |
Family
ID=89568735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322023877.XU Active CN220373004U (en) | 2023-07-28 | 2023-07-28 | Special fixture for grinding star of overrunning clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220373004U (en) |
-
2023
- 2023-07-28 CN CN202322023877.XU patent/CN220373004U/en active Active
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