CN116038494B - Clamp spring groove surface polishing device and polishing method for clutch hub - Google Patents
Clamp spring groove surface polishing device and polishing method for clutch hub Download PDFInfo
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- CN116038494B CN116038494B CN202310112234.4A CN202310112234A CN116038494B CN 116038494 B CN116038494 B CN 116038494B CN 202310112234 A CN202310112234 A CN 202310112234A CN 116038494 B CN116038494 B CN 116038494B
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- wheel
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- clamp spring
- grinding wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a clamp spring groove surface polishing device and a polishing method of a clutch hub, and the technical scheme is as follows: the clutch hub comprises a supporting rod, wherein the supporting rod is driven in a reciprocating manner through a driving mechanism, one end of the supporting rod is provided with a supporting wheel, the periphery of the supporting wheel is sleeved with a polishing wheel, and the supporting rod moves in a reciprocating manner to drive the polishing wheel to polish a clamp spring groove of the clutch hub; the center of the polishing wheel is rotationally connected with the center of the supporting wheel through a rotating shaft, an annular gap is formed between the inner periphery of the polishing wheel and the outer periphery of the supporting wheel, the annular gap is provided with a unidirectional linkage ratchet wheel structure, the outer periphery of the polishing wheel is eccentric, and the upper side and the lower side of the polishing wheel respectively form a small-diameter part and a large-diameter part; the periphery of the polishing wheel is used for being mutually propped against the clamp spring groove. The clamp spring groove can be polished secondarily, and the secondary polishing can be performed through different polishing sizes of polishing equipment, so that the stability of polishing effect is ensured.
Description
Technical Field
The invention relates to the technical field of clutch hub production equipment, in particular to a clamp spring groove surface polishing device of a clutch hub and a clamp spring groove surface polishing method of the clutch hub.
Background
The clutch hub is an important part of the clutch device, and serves as a main body for bearing and supporting the entire clutch, and can support various parts of the clutch. The inner peripheral position of the clutch hub can realize the guiding of the inner parts of the clutch through guiding action, and the normal working state of the clutch is maintained.
During the production process, the clutch hub is machined by welding and assembling or formed by spinning to form an integral clutch roller. Then, through cutting machining's mode, processing forms the jump ring groove in clutch hub's annular inner circumference position, carries out spacing and direction to clutch hub inside part through the jump ring groove, and the surface state in jump ring groove plays great effect to the holistic job stabilization nature of clutch. Because the jump ring groove generally forms through the cutting, the surface in jump ring groove often can have more burrs, and the burr can increase the roughness in jump ring groove surface, increases frictional resistance, produces the near condition of card dun even. Therefore, the clutch hub needs to be ground during the production process.
At present, in the polishing process, a polishing cutter is often adopted to polish the inside of a clutch hub, the surface of a clamp spring groove is polished, the polishing state is fixed, the polishing depth and the polishing position cannot be adjusted, and the polishing adaptability is poor. In the polishing process, insufficient polishing degree or excessive polishing easily occurs.
Therefore, a new solution is needed to solve this problem, and smooth and reliable polishing treatment on the surface of the snap spring groove is achieved.
Disclosure of Invention
The invention aims to solve the problems and provide the clamp spring groove surface polishing device of the clutch hub, which can realize secondary polishing of the clamp spring groove and further ensure the stability of polishing effect through different polishing sizes of polishing equipment.
The technical aim of the invention is realized by the following technical scheme: the clamp spring groove surface polishing device of the clutch hub comprises a supporting rod, wherein the supporting rod is driven in a reciprocating manner through a driving mechanism, one end of the supporting rod is provided with a supporting wheel, the periphery of the supporting wheel is sleeved with a polishing wheel, and the supporting rod moves in a reciprocating manner to drive the polishing wheel to polish the clamp spring groove of the clutch hub; the center of the polishing wheel is rotationally connected with the center of the supporting wheel through a rotating shaft, an annular gap is formed between the inner periphery of the polishing wheel and the outer periphery of the supporting wheel, the annular gap is provided with a unidirectional linkage ratchet wheel structure, the outer periphery of the polishing wheel is eccentric, and the upper side and the lower side of the polishing wheel respectively form a small-diameter part and a large-diameter part; the periphery of the polishing wheel is used for being mutually propped against the clamp spring groove.
The ratchet wheel structure further comprises a first ratchet wheel and a second ratchet wheel, wherein a plurality of first ratchet wheels are distributed on the outer circumference of the supporting wheel in an annular array mode, a plurality of second ratchet wheels are distributed on the inner circumference of the polishing wheel in an annular array mode, and the first ratchet wheels and the second ratchet wheels are matched with each other to realize unidirectional transmission.
The invention is further arranged that the small diameter part of the periphery of the grinding wheel is used for primarily grinding the surface of the clamp spring groove, and the large diameter part of the periphery of the grinding wheel is used for secondarily grinding the surface of the clamp spring groove.
The invention is further arranged that the end part of the supporting rod is rotationally connected with the supporting rod through a first connecting shaft, and the first connecting shaft is positioned at the eccentric position of the rotating shaft; the supporting wheel can realize eccentric adjustment by surrounding the first connecting shaft;
the invention is further characterized in that a supporting seat is arranged on the supporting rod, the supporting seat is linked with the supporting wheel through a connecting rod, one end of the connecting rod is rotationally connected with the supporting wheel through a second connecting shaft, and the first connecting shaft and the second connecting shaft are respectively positioned at two sides of the rotating shaft; the support seat is connected with a linkage sleeve through three rotations of a connecting shaft, and the connecting rod is inserted into the linkage sleeve and can realize sliding adjustment.
The invention is further characterized in that a limiting lug is fixedly connected between the connecting rod corresponding to the second connecting shaft and the linkage sleeve, a first spring is elastically pressed between the limiting lug and the linkage sleeve, an external thread I is arranged at one end of the connecting rod extending to the linkage sleeve, a thread sleeve is connected at one position of the external thread I of the connecting rod in a threaded manner, and a pressing sleeve is pressed between the thread sleeve and the linkage sleeve.
The invention further provides that the peripheral outline of the grinding wheel is mutually matched with the size of the clamp spring groove and is used for grinding the clamp spring groove.
The grinding wheel is further provided with a telescopic rod fixedly connected to the supporting rod, a clamping block I is arranged at the telescopic end of the telescopic rod, two clamping grooves I are formed in the periphery of the grinding wheel, and the clamping grooves I and the clamping blocks I are mutually matched and symmetrically arranged around a rotating shaft; the upper side of the clamping block I is provided with a plane I, and the lower side of the clamping block I is provided with an inclined plane I; a plane II and an inclined plane II are formed in the clamping groove I, the plane I and the plane II are mutually propped for realizing propping limit, and the inclined plane I and the inclined plane II are mutually matched for realizing guiding.
The grinding wheel is further provided with two telescopic grooves on the periphery of the supporting wheel, the two telescopic grooves are in a central symmetrical structure, one outward end of each telescopic groove is opened, a clamping block II is connected in a sliding mode in each telescopic groove, a spring II is connected with the bottom of each clamping block II and the bottom of each telescopic groove, and a clamping groove II matched with each clamping block II is formed in the inner periphery of the grinding wheel; and an electromagnet is fixedly connected to the support rod and used for adsorbing the second clamping block to realize locking between the polishing wheel and the support wheel.
The invention is further arranged that the lower part of the supporting seat is fixedly connected with a connecting seat, a through connecting hole is formed in the connecting seat, and the supporting rod extends into the connecting hole and realizes sliding connection; the inner periphery of the connecting hole is fixedly connected with a guide sliding block, and the support rod is provided with a guide sliding groove which is in sliding fit with the guide sliding block; one side of connecting seat back to grinding wheel is fixed with the connection bulge loop one, the outer rotation of connection bulge loop one is connected with the adjusting sleeve, adjusting sleeve and bracing piece threaded connection, the periphery fixedly connected with of bracing piece with adjusting sleeve screw thread adaptation's external screw thread two.
The invention also provides a method for polishing the surface of the clamp spring groove of the clutch hub, which comprises the step of polishing the clamp spring groove of the clutch hub by adopting the clamp spring groove surface polishing device of the clutch hub; the small diameter part of the periphery of the polishing wheel is used for primarily polishing the surface of the clamp spring groove, and the large diameter part of the periphery of the polishing wheel is used for secondarily polishing the surface of the clamp spring groove;
in the polishing process, the small-diameter part of the polishing wheel is propped against the clamp spring groove, the polishing wheel moves forward along the clamp spring groove, unidirectional limiting is realized between the polishing wheel and the supporting wheel through a ratchet structure, and the small-diameter part of the polishing wheel and the clamp spring groove are rubbed with each other to realize preliminary polishing; then, the polishing wheel reversely moves along the clamp spring groove, unidirectional rotation is realized between the polishing wheel and the supporting wheel through a ratchet wheel structure, the polishing wheel and the clamp spring groove mutually roll and drive, the polishing wheel moves out to the tail end position, and the large-diameter part of the polishing wheel rotates to face the inner side of the clamp spring groove; the grinding wheel moves forward along the clamp spring groove, unidirectional limiting is realized between the grinding wheel and the supporting wheel through a ratchet wheel structure, and the large-diameter part of the grinding wheel and the clamp spring groove are rubbed with each other to realize secondary grinding; then, the polishing wheel reversely moves along the clamp spring groove, unidirectional rotation is realized between the polishing wheel and the supporting wheel through a ratchet wheel structure, the polishing wheel and the clamp spring groove mutually roll and drive, the polishing wheel moves out to the tail end position, and the small-diameter part of the polishing wheel rotates to face the inner side of the clamp spring groove; and then, the clutch hub is rotationally adjusted, and the next clamp spring groove of the clutch hub is polished.
In summary, the invention has the following beneficial effects:
the pressure in the polishing process can be reduced through twice polishing, and the performance requirement of polishing can be improved through mutual cooperation. The periphery of the grinding wheel forms an eccentric state, and the position and the angle of the grinding wheel are adjusted, so that the large-diameter part, the small-diameter part and the clamp spring groove can be mutually in abutting fit. In the rotation adjustment process of the grinding wheel, the positions of the large-diameter part and the small-diameter part of the grinding wheel can be adjusted, and then the clamp spring groove can be polished in stages. In the preliminary polishing process, most burrs can be removed, the polishing pressure in the secondary polishing process is reduced, then secondary polishing is carried out through the large-diameter part, the large-diameter part is closer to the clamp spring groove, the high polishing depth can be achieved, the better polishing effect is achieved, and further the relatively fine polishing treatment effect can be achieved.
Drawings
FIG. 1 is a cross-sectional view of a clutch hub of the present invention;
FIG. 2 is a schematic structural view of an annular portion of the clutch hub of the present invention;
FIG. 3 is a schematic diagram of the outline structure of the clamp spring groove and the grinding wheel of the invention;
FIG. 4 is a schematic view of a clutch hub circlip groove surface polishing apparatus according to the present invention;
FIG. 5 is a schematic view of the structure of the support wheel, grinding wheel and ratchet wheel of the present invention;
FIG. 6 is a schematic view of the structure of the support wheel and grinding wheel of the present invention;
FIG. 7 is a schematic view of the structure of the linkage sleeve and the connecting rod of the present invention;
FIG. 8 is a schematic diagram II of a clutch hub clamp spring groove surface polishing device;
fig. 9 is an enlarged view at a in fig. 8;
FIG. 10 is a schematic view of a clutch hub circlip groove surface polishing apparatus according to the present invention;
FIG. 11 is a schematic view of the structure of the support rod and the connecting base of the present invention;
FIG. 12 is a schematic diagram of a clutch hub circlip groove surface polishing apparatus according to the present invention;
fig. 13 is an enlarged view at B in fig. 12.
Reference numerals: 1. a support rod; 101. a first connecting shaft; 2. a support base; 3. a support wheel; 301. an annular gap; 302. a first ratchet; 303. a second ratchet; 4. grinding wheel; 401. a small diameter portion; 402. a large diameter portion; 5. a rotating shaft; 6. a connecting rod; 601. a second connecting shaft; 602. a limit bump; 603. an external thread I; 7. a linkage sleeve; 701. a third connecting shaft; 8. a first spring; 9. a thread sleeve; 901. pressing the sleeve; 10. a telescopic rod; 1001. a clamping block I; 1002. a clamping groove I; 1003. plane one; 1004. an inclined plane I; 1005. plane two; 1006. a second inclined plane; 12. a connecting seat; 1201. a connection hole; 1202. a guide block; 1203. a guide chute; 1204. connecting the convex ring I; 1205. an external thread II; 13. an adjusting sleeve; 1301. connecting a convex ring II; 14. an electromagnet; 15. a clamping block II; 1501. a telescopic slot; 1502. a second spring; 1503. a clamping groove II; 20. a clutch hub; 2001. an annular portion; 2002. and a clamp spring groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment discloses a clutch hub's jump ring groove surface grinding device, as shown in fig. 1-3, clutch hub 20 has round annular portion 2001, processes in annular portion 2001 and is formed with a plurality of jump ring grooves 2002, through this grinding device and the mutual friction of jump ring groove 2002's surface, can realize polishing jump ring groove 2002's surface, forms smoother surface state.
As shown in fig. 4, the polishing device comprises a supporting rod 1, the supporting rod 1 is driven by a driving mechanism in a reciprocating manner, and under the action of the driving mechanism, the polishing wheel 4 can be driven to move along the clamp spring groove 2002, so that the surface of the clamp spring groove 2002 can be polished.
As shown in fig. 4, a supporting wheel 3 is installed at one end of the left side of the supporting rod 1, a grinding wheel 4 is sleeved on the periphery of the supporting wheel 3, the supporting rod 1 can drive the grinding wheel 4 to grind the clamp spring groove 2002 of the clutch hub 20 under the reciprocating movement, and the surfaces of the clamp spring groove 2002 of the clutch hub 20 are ground through mutual friction between the two, so that burrs on the surfaces of the clamp spring groove 2002 are removed, and a smoother and stable state is formed.
As shown in fig. 5 and 6, the center positions of the grinding wheel 4 and the supporting wheel 3 are rotatably connected through the rotating shaft 5, and the rotation adjustment and the rotation linkage can be realized between the grinding wheel 4 and the supporting wheel. An annular gap 301 is formed between the inner periphery of the grinding wheel 4 and the outer periphery of the supporting wheel 3, and the annular gap 301 is provided with a ratchet structure of unidirectional linkage. When the supporting rod 1 drives the supporting wheel 3 to move towards one side, as shown in fig. 4, when moving towards the left side, the polishing wheel 4 and the supporting wheel 3 are mutually propped and limited and kept fixed, and mutual sliding friction is formed between the periphery of the polishing wheel 4 and the clamp spring groove 2002, so that polishing of the clamp spring groove 2002 can be realized. When the supporting rod 1 drives the supporting wheel 3 to move towards the other side, as shown in fig. 4, when moving towards the right side, the polishing wheel 4 and the supporting wheel 3 can relatively rotate, and the polishing wheel 4 and the clamp spring groove 2002 roll mutually, so that the peripheral polishing position of the polishing wheel 4 can be adjusted, and further, different polishing positions can polish the surface of the clamp spring groove 2002.
As shown in fig. 5, the ratchet structure comprises a first ratchet 302 and a second ratchet 303, wherein a plurality of first ratchet 302 are distributed on the outer circumference annular array of the supporting wheel 3, and a plurality of second ratchet 303 are distributed on the inner circumference annular array of the grinding wheel 4. The first ratchet 302 and the second ratchet 303 are matched with each other, so that unidirectional transmission can be realized. The second ratchet 303 is in a fixed structure, the first ratchet 302 has certain elasticity, and in the process of rotating towards one side, the planes of the first ratchet 302 and the second ratchet 303 are mutually propped, so that the propping limit of the two can be realized; in the process of rotating towards the other side, the inclined surfaces of the first ratchet 302 and the second ratchet 303 are mutually propped, the first ratchet 302 can generate certain elastic deformation, and further, the relative rotation can be realized, namely, the unidirectional linkage of the supporting wheel 3 and the polishing wheel 4 is realized.
As shown in fig. 5, the outer periphery of the grinding wheel 4 is eccentric, that is, the outer periphery of the grinding wheel 4 is eccentric with the central rotating shaft 5, and the upper and lower sides thereof are formed with a small diameter portion 401 and a large diameter portion 402, respectively. The distance between the lower side of the grinding wheel 4 and the rotating shaft 5 is closer, the distance between the upper side and the rotating shaft 5 is further, and then in the rotation adjustment process of the grinding wheel 4, the position adjustment of the large-diameter part 402 and the small-diameter part 401 of the grinding wheel 4 can be realized, and further staged grinding of the clamp spring groove 2002 can be formed.
As shown in fig. 3, the outer peripheral contour of the grinding wheel 4 and the dimensions of the snap spring groove 2002 are mutually adapted for grinding the snap spring groove 2002. The eccentric state of the grinding wheel 4 is small, that is, the gap between the small diameter part 401 and the large diameter part 402 of the grinding wheel 4 is small, the gap between the small diameter part 401 and the large diameter part 402 is set according to the conditions in the grinding process of two sides, and the distance between the small diameter part 401 and the large diameter part 402 is about 0.2 cm to 0.5 cm. In the polishing process of the small-diameter portion 401, the clamp spring groove 2002 can be primarily polished to remove most burrs, and then secondarily polished through the large-diameter portion 402, namely fine polishing is achieved.
The embodiment also discloses a surface polishing method for the clamp spring groove 2002 of the clutch hub 20, and the clamp spring groove 2002 of the clutch hub 20 is polished by adopting the polishing device.
The small diameter part 401 on the periphery of the grinding wheel 4 is used for primarily grinding the surface of the clamp spring groove 2002, the large diameter part 402 on the periphery of the grinding wheel 4 is used for secondarily grinding the surface of the clamp spring groove 2002, the pressure in the grinding process can be reduced through twice grinding, and the grinding performance requirements can be improved through cooperation.
In the polishing process, the small-diameter part 401 of the polishing wheel 4 is propped against the clamp spring groove 2002, and the small-diameter part 401 of the polishing wheel 4 is positioned at an oriented position; through actuating mechanism drive, can drive bracing piece 1 and grinding wheel 4 and remove, grinding wheel 4 is along the positive removal of jump ring groove 2002, promptly like the left side direction in fig. 4, realizes one-way spacing through ratchet structure between grinding wheel 4 and the supporting wheel 3, and the mutual friction of the small-diameter portion 401 of grinding wheel 4 and jump ring groove 2002 realizes preliminary polishing.
Then, the grinding wheel 4 moves reversely along the clamp spring groove 2002, namely, in the right direction in fig. 4, unidirectional rotation is realized between the grinding wheel 4 and the supporting wheel 3 through a ratchet structure, the grinding wheel 4 and the clamp spring groove 2002 roll and drive each other, the grinding wheel 4 realizes rotation adjustment, and the positions of the small-diameter part 401 and the large-diameter part 402 of the grinding wheel 4 are adjusted up and down. The grinding wheel 4 moves right to the end position, namely, the large-diameter part 402 of the grinding wheel 4 rotates to face the inner side of the clamp spring groove 2002, the positions of the large-diameter part 402 and the small-diameter part 401 are reversed, and then the clamp spring groove 2002 is subjected to secondary fine grinding by the large-diameter part 402 of the grinding wheel 4.
Then, the grinding wheel 4 moves forward along the clamp spring groove 2002, that is, in the left direction in fig. 4, unidirectional limiting is achieved between the grinding wheel 4 and the supporting wheel 3 through a ratchet structure, and the large-diameter portion 402 of the grinding wheel 4 and the clamp spring groove 2002 rub against each other to achieve secondary grinding. Because the large burrs on the surfaces of the clamp spring grooves 2002 are removed in the primary polishing process, the secondary polishing pressure can be reduced in the secondary polishing process; in addition, in the polishing process, the large-diameter part 402 is more attached to the surface of the clamp spring groove 2002, so that the polishing effect is improved.
Then, the grinding wheel 4 moves reversely along the clamp spring groove 2002, that is, as shown in a lateral direction in fig. 4, unidirectional rotation is realized between the grinding wheel 4 and the supporting wheel 3 through a ratchet structure, the grinding wheel 4 and the clamp spring groove 2002 are in rolling transmission, the grinding wheel 4 moves out rightward to a tail end position, the small diameter part 401 of the grinding wheel 4 rotates to face the inner side of the clamp spring groove 2002, the grinding wheel 4 generates rotary adjustment, the large diameter part 402 and the small diameter part 401 of the grinding wheel 4 are turned upside down, the small diameter part 401 is rotated to the lower side again, and preliminary grinding is ready for the next clamp spring groove 2002. Then, the clutch hub 20 is rotated and adjusted, and the next clip spring groove 2002 of the clutch hub 20 is polished.
Further, as shown in fig. 4 and 7, the end of the supporting rod 1 is rotatably connected to the supporting wheel 3 via a first connecting shaft 101, and the first connecting shaft 101 is located at an eccentric position of the rotating shaft 5. The supporting wheel 3 can realize eccentric adjustment through surrounding the first connecting shaft 101, and then the height position of the downside of the supporting wheel 3 is adjusted, and then through the eccentric adjustment of the supporting wheel 3, the supporting wheel 3 and the polishing wheel 4 can be realized, the eccentric adjustment range of the polishing wheel 4 is complemented and set up, and then the polishing pressure between the polishing wheel 4 and the clamp spring groove 2002 can be adjusted, and the polishing effect of the polishing wheel 4 is maintained.
Be provided with supporting seat 2 on the bracing piece 1, link through connecting rod 6 linkage between supporting seat 2 and the supporting wheel 3, connecting rod 6 can be adjusted the eccentric state of supporting wheel 3 in the adjustment process, adjusts the dynamics of pushing down and polishing of supporting wheel 3, maintains the effect of polishing of supporting wheel 3.
Specifically, one end of the connecting rod 6 is rotatably connected with the supporting wheel 3 through a second connecting shaft 601, the first connecting shaft 101 and the second connecting shaft 601 are respectively located at two sides of the rotating shaft 5, as shown in fig. 4, the first connecting shaft 101 is located at the lower side, and the second connecting shaft 601 is located at the upper side. The support seat 2 is rotatably connected with a linkage sleeve 7 through a connecting shaft III 701, the linkage sleeve 7 is of an annular structure, the connecting rod 6 is inserted into the linkage sleeve 7, and the sliding adjustment of the connecting rod 6 and the linkage sleeve 7 can be realized. Eccentric adjustment of the supporting wheel 3 can be realized through the extension and contraction between the connecting rod 6 and the linkage sleeve 7 and the rotation of the linkage sleeve 7.
As shown in fig. 7, a limiting bump 602 is fixedly connected between the connecting rod 6 corresponding to the second connecting shaft 601 and the linkage sleeve 7, a first spring 8 is elastically pressed between the limiting bump 602 and the linkage sleeve 7, and a certain elastic pressure can be applied between the limiting bump 602 and the linkage sleeve 7 through the first spring 8, so that the stable state of the connecting rod 6 is maintained. At the end of the connecting rod 6 extending to the link sleeve 7, i.e., the right end as viewed in fig. 7, an external thread 603 is formed. The first external thread 603 of the connecting rod 6 is in threaded connection with a thread sleeve 9, and a limit is formed at the tail end of the connecting rod 6 through the thread sleeve 9. Moreover, a pressing sleeve 901 is pressed between the thread sleeve 9 and the linkage sleeve 7, so that the screw thread between the thread sleeve 9 and the external screw thread one 603 is loosened, and further the connecting rod 6 is linked through the thread adjusting thread sleeve 9, so that eccentric adjustment of the supporting wheel 3 and the polishing wheel 4 is realized, and different polishing pressures and requirements are realized.
Further, a locking mechanism may be provided on the outer side of the grinding wheel 4, so that the adjustment range of the large diameter portion 402 and the small diameter portion 401 during grinding is limited, and the adjustment angle of the grinding wheel 4 may be limited to a proper position angle.
As shown in fig. 8 and 9, a telescopic rod 10 is fixedly connected to the support rod 1, and a first block 1001 is mounted at the telescopic end of the telescopic rod 10. Two clamping grooves I1002 are formed in the periphery of the grinding wheel 4, the clamping grooves I1002 are matched with the clamping blocks I1001, and the clamping blocks I1001 can be inserted into the clamping grooves I1002 through the action of the telescopic rod 10, so that the grinding wheel 4 is locked and fixed. The two first clamping grooves 1002 are symmetrically arranged around the rotation shaft 5, and the vertical positions of the large diameter portion 402 and the small diameter portion 401 of the grinding wheel 4 are adjusted.
The telescopic rod 10 can adopt a rod structure which can be actively telescopic, and can also adopt a rod structure which can be elastically telescopic. A first plane 1003 is formed on the upper side of the first fixture block 1001, and a first inclined plane 1004 is formed on the lower side of the first fixture block 1001, so that the first fixture block 1001 forms an inclined angle structure. A second plane 1005 and a second inclined plane 1006 are formed in the first clamping groove 1002, and the first plane 1003 and the second plane 1005 are mutually pressed to realize pressing limit, so that the position of the grinding wheel 4 can be maintained.
In fixture block one 1001 and draw-in groove one 1002, slope one 1004 and slope two 1006 support the pressure adaptation each other, can realize the direction, under the flexible circumstances of telescopic link 10, and then can realize the linkage between fixture block one 1001 and the draw-in groove one 1002, in rotatory in-process, can realize grinding wheel 4 smooth and easy regulation, and then adjust grinding wheel 4's position to adapt to grinding wheel 4 and to the requirement of grinding of jump ring groove 2002.
Alternatively, as shown in fig. 12 and 13, two telescopic grooves 1501 may be formed on the outer circumference of the support wheel 3, and the two telescopic grooves 1501 are formed in a central symmetrical structure and have one outward end opened. A second clamping block 15 is connected in a sliding manner in the telescopic groove 1501, and a second clamping groove 1503 matched with the second clamping block 15 is formed in the inner periphery of the polishing wheel 4; limiting the grinding wheel 4 and locking the position and angle state of the grinding wheel 4 can be realized through the clamping block II 15 and the clamping groove II 1503.
The second spring 1502 is connected to the bottom of the second clamping block 15 and the bottom of the telescopic slot 1501, and the second clamping block 15 can be kept in a state of being retracted into the telescopic slot 1501 by the second spring 1502, and at the moment, the grinding wheel 4 and the supporting wheel 3 are in an open state. The support rod 1 is fixedly connected with an electromagnet 14, the position of the electromagnet 14 is mutually matched with a second clamping block 15, the second clamping block 15 is made of a magnetic adsorption material or an iron material, and the second clamping block 15 can be magnetically adsorbed through the electromagnet 14. The electromagnet 14 is electrified to work, the electromagnet 14 adsorbs the clamping block II 15, the clamping block II 15 overcomes the elasticity of the spring II 1502, the clamping block II 15 stretches into the clamping groove II 1503, and mutual locking between the bar grinding wheel 4 and the supporting wheel 3 can be realized, so that the grinding wheel 4 is in a primary grinding position or a secondary grinding position. The electromagnet 14 is powered off to stop working, the magnetism of the electromagnet 14 disappears, the second clamping block 15 is retracted into the telescopic slot 1501 under the action of the elastic force of the second spring 1502, the second clamping block 15 is separated from the second clamping slot 1503, the grinding wheel 4 can be rotationally adjusted, the angle position of the grinding wheel 4 can be adjusted through rolling of the grinding wheel 4, and the vertical position switching of the large-diameter part 402 and the small-diameter part 401 of the grinding wheel 4 is realized.
Further, the position between the support rod 1 and the support seat 2 can be adjusted relatively, and the eccentric position of the support wheel 3 can be adjusted by adjusting the position of the support rod 1, so that the circumferential surface at the lowest position of the periphery of the support wheel 3 can be adjusted, and the polishing effect between the polishing wheel 4 and the clamp spring groove 2002 can be polished.
As shown in fig. 10 and 11, a connection base 12 is fixedly connected to the lower portion of the support base 2, and a through connection hole 1201 is formed in the connection base 12. The supporting rod 1 stretches into the connecting hole 1201, sliding connection can be realized between the supporting rod 1 and the connecting seat 12, and then the relative positions of the first connecting shaft 101 and the second connecting shaft 601 on the supporting wheel 3 are changed, so that the eccentric state of the supporting wheel 3 can be adjusted.
As shown in fig. 11, a guide slide block 1202 is fixedly connected to the inner periphery of the connection hole 1201, a guide slide groove 1203 is formed in the support rod 1, the guide slide block 1202 is embedded into the guide slide groove 1203 along the length direction of the support rod 1, and the support rod 1 can be slidably guided, so that a stable sliding guide state between the support rod 1 and the connection seat 12 is maintained. A first connecting convex ring 1204 is fixed on one side of the connecting seat 12, which is away from the grinding wheel 4, an adjusting sleeve 13 is rotatably connected outside the first connecting convex ring 1204 to keep the first connecting convex ring 1204 to rotate stably,
the adjusting sleeve 13 is sleeved outside the supporting rod 1, an internal thread is formed at the inner periphery of the adjusting sleeve 13, an external thread II 1205 is formed at the right end of the supporting rod 1, and the external thread II 1205 is in threaded connection with the inner periphery of the adjusting sleeve 13. Through rotatory adjusting sleeve 13, can carry out the flexible regulation of trace to the position of bracing piece 1, and then maintain carrying out eccentric angle to supporting wheel 3 and adjust, and then can use grinding device's state of polishing, can be adapted to the state of polishing of different demands.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (10)
1. The utility model provides a jump ring groove surface grinding device of clutch hub, includes bracing piece (1), bracing piece (1) is through the reciprocal drive of actuating mechanism, and one end of bracing piece (1) sets up supporting wheel (3), and the periphery cover of supporting wheel (3) is equipped with and polishes grinding wheel (4), and bracing piece (1) reciprocating motion drives and polishes jump ring groove (2002) of clutch hub (20); the grinding wheel (4) is rotationally connected with the center of the supporting wheel (3) through a rotating shaft (5), an annular gap (301) is formed between the inner periphery of the grinding wheel (4) and the outer periphery of the supporting wheel (3), the annular gap (301) is provided with a one-way linkage ratchet structure, the outer periphery of the grinding wheel (4) is eccentric, and a small-diameter part (401) and a large-diameter part (402) are respectively formed on the upper side and the lower side of the grinding wheel; the periphery of the polishing wheel (4) is used for being mutually propped against the clamp spring groove (2002).
2. The clamp spring groove surface polishing device of the clutch hub according to claim 1, wherein the ratchet structure comprises a first ratchet wheel (302) and a second ratchet wheel (303), a plurality of first ratchet wheels (302) are distributed on the outer circumference annular array of the supporting wheel (3), a plurality of second ratchet wheels (303) are distributed on the inner circumference annular array of the polishing wheel (4), and the first ratchet wheels (302) and the second ratchet wheels (303) are matched with each other to realize unidirectional transmission.
3. The grinding device for the surfaces of the clamping spring grooves of the clutch hub according to claim 1, wherein the small diameter part (401) of the periphery of the grinding wheel (4) is used for primarily grinding the surfaces of the clamping spring grooves (2002), and the large diameter part (402) of the periphery of the grinding wheel (4) is used for secondarily grinding the surfaces of the clamping spring grooves (2002).
4. The clamp spring groove surface polishing device of the clutch hub according to claim 1, wherein the end part of the supporting rod (1) is rotationally connected with the supporting wheel (3) through a first connecting shaft (101), and the first connecting shaft (101) is positioned at the eccentric position of the supporting wheel (3); the supporting wheel (3) can realize eccentric adjustment by surrounding the first connecting shaft (101);
the support rod (1) is provided with a support seat (2), the support seat (2) is linked with the support wheel (3) through a connecting rod (6), one end of the connecting rod (6) is rotationally connected with the support wheel (3) through a connecting shaft II (601), and the connecting shaft I (101) and the connecting shaft II (601) are respectively positioned at two sides of the rotating shaft (5); the support seat (2) is rotationally connected with a linkage sleeve (7) through a connecting shaft III (701), and the connecting rod (6) is inserted into the linkage sleeve (7) and can realize sliding adjustment.
5. The clamp spring groove surface polishing device of the clutch hub according to claim 4, wherein the connecting rod (6) is fixedly connected with a limiting lug (602) between the connecting shaft II (601) and the linkage sleeve (7), a spring I (8) is elastically pressed between the limiting lug (602) and the linkage sleeve (7), one end of the connecting rod (6) extending to the linkage sleeve (7) is provided with an external thread I (603), a thread sleeve (9) is connected at the external thread I (603) of the connecting rod (6) in a threaded manner, and a pressing sleeve (901) is pressed between the thread sleeve (9) and the linkage sleeve (7).
6. The clamping spring groove surface grinding device of a clutch hub according to claim 1, characterized in that the outer circumferential contour of the grinding wheel (4) is mutually adapted to the dimensions of the clamping spring groove (2002) for grinding the clamping spring groove (2002).
7. The clamp spring groove surface polishing device of the clutch hub according to claim 4, wherein a telescopic rod (10) is fixedly connected to the supporting rod (1), a clamping block I (1001) is arranged at a telescopic end of the telescopic rod (10), two clamping grooves I (1002) are formed in the periphery of the polishing wheel (4), and the clamping grooves I (1002) and the clamping blocks I (1001) are mutually matched and symmetrically arranged around the rotating shaft (5); a plane I (1003) is formed on the upper side of the first clamping block (1001), and an inclined plane I (1004) is formed on the lower side of the first clamping block; a plane II (1005) and an inclined plane II (1006) are formed in the clamping groove I (1002), the plane I (1003) and the plane II (1005) are mutually pressed for realizing pressing limit, and the inclined plane I (1004) and the inclined plane II (1006) are mutually matched for realizing guiding.
8. The clamp spring groove surface polishing device of the clutch hub according to claim 4, wherein two telescopic grooves (1501) are formed in the periphery of the supporting wheel (3), the two telescopic grooves (1501) are in a central symmetrical structure, one outward end of each telescopic groove is opened, a clamping block II (15) is connected in a sliding mode in each telescopic groove (1501), a spring II (1502) is connected to the bottom of each clamping block II (15) and the bottom of each telescopic groove (1501), and a clamping groove II (1503) matched with the clamping block II (15) is formed in the inner periphery of the polishing wheel (4); an electromagnet (14) is fixedly connected to the supporting rod (1), and the electromagnet (14) is used for adsorbing a clamping block II (15) to realize locking between the grinding wheel (4) and the supporting wheel (3).
9. The clamp spring groove surface polishing device of the clutch hub according to claim 4, wherein a connecting seat (12) is fixedly connected to the lower part of the supporting seat (2), a through connecting hole (1201) is formed in the connecting seat (12), and the supporting rod (1) extends into the connecting hole (1201) and is in sliding connection; the inner periphery of the connecting hole (1201) is fixedly connected with a guide sliding block (1202), and the support rod (1) is provided with a guide sliding groove (1203) which is in sliding fit with the guide sliding block (1202); one side of connecting seat (12) dorsad grinding wheel (4) is fixed with and connects bulge loop one (1204), connect bulge loop one (1204) external rotation and be connected with adjusting sleeve (13), adjusting sleeve (13) and bracing piece (1) threaded connection, the periphery fixedly connected with of bracing piece (1) with adjusting sleeve (13) screw thread adaptation's external screw thread two (1205).
10. A method for polishing the surface of a snap spring groove (2002) of a clutch hub (20), characterized in that the snap spring groove (2002) of the clutch hub (20) is polished by using a device for polishing the surface of the snap spring groove of the clutch hub according to any one of claims 1 to 9;
the small diameter part (401) at the periphery of the polishing wheel (4) is used for primarily polishing the surface of the clamp spring groove (2002), and the large diameter part (402) at the periphery of the polishing wheel (4) is used for secondarily polishing the surface of the clamp spring groove (2002); in the polishing process, the small-diameter part (401) of the polishing wheel (4) is propped against the clamp spring groove (2002), the polishing wheel (4) moves forward along the clamp spring groove (2002), unidirectional limiting is realized between the polishing wheel (4) and the supporting wheel (3) through a ratchet structure, and the small-diameter part (401) of the polishing wheel (4) and the clamp spring groove (2002) are rubbed with each other to realize preliminary polishing; then, the grinding wheel (4) moves reversely along the clamp spring groove (2002), unidirectional rotation is realized between the grinding wheel (4) and the supporting wheel (3) through a ratchet wheel structure, the grinding wheel (4) and the clamp spring groove (2002) are in rolling transmission, the grinding wheel (4) moves out to the tail end position, and the large-diameter part (402) of the grinding wheel (4) rotates to face the inner side of the clamp spring groove (2002); the grinding wheel (4) moves forwards along the clamp spring groove (2002), unidirectional limiting is realized between the grinding wheel (4) and the supporting wheel (3) through a ratchet structure, and the large-diameter part (402) of the grinding wheel (4) and the clamp spring groove (2002) are rubbed with each other to realize secondary grinding; then, the grinding wheel (4) moves reversely along the clamp spring groove (2002), unidirectional rotation is realized between the grinding wheel (4) and the supporting wheel (3) through a ratchet wheel structure, the grinding wheel (4) and the clamp spring groove (2002) are in rolling transmission, the grinding wheel (4) moves out to the tail end position, and the small-diameter part (401) of the grinding wheel (4) rotates to face the inner side of the clamp spring groove (2002); then, the clutch hub (20) is rotated and adjusted, and the next clamp spring groove (2002) of the clutch hub (20) is polished.
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| CN202310112234.4A CN116038494B (en) | 2023-01-31 | 2023-01-31 | Clamp spring groove surface polishing device and polishing method for clutch hub |
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| CN116673818B (en) * | 2023-06-30 | 2024-04-16 | 绍兴格洛博动力总成有限公司 | Swing clutch hub shaping assembly and shaping method |
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| CN116038494A (en) | 2023-05-02 |
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