CN110842744A - Polishing mechanism for grinding working surface of clutch pressure plate - Google Patents
Polishing mechanism for grinding working surface of clutch pressure plate Download PDFInfo
- Publication number
- CN110842744A CN110842744A CN201911184886.9A CN201911184886A CN110842744A CN 110842744 A CN110842744 A CN 110842744A CN 201911184886 A CN201911184886 A CN 201911184886A CN 110842744 A CN110842744 A CN 110842744A
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- China
- Prior art keywords
- grinding disc
- pressure plate
- smooth
- clutch pressure
- column
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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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
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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
- B24B41/02—Frames; Beds; Carriages
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a polishing mechanism for flattening the working surface of a clutch pressure plate, which comprises a grinding disc, wherein the bottom surface of the grinding disc is fixedly connected with a smooth column, a through sand outlet hole is formed between the grinding disc and the smooth column, the middle part of the smooth column is movably sleeved with a sand receiving disc and an installation square column body, the lower part of the smooth column is connected with a ball rod, and the ball rod is movably sleeved in a smooth cylindrical hole of a sleeve; the sleeve is fixedly connected at the eccentric position of the rotating disk, and the rotating disk is connected with the driving shaft and the low-speed motor. The ball rod is enabled to be in a vertical twisting motion track formed by combining vertical translation and circular motion through the sleeve structure of circular motion, so that the smooth column and the grinding disc are enabled to be in the motion mode, the grinding disc is enabled to deflect in a reciprocating mode through the motion mode, the working surface of the clutch pressure plate is enabled to be in contact with the grinding disc and to be rubbed and ground along with deflection, and the pressure of the clutch pressure plate on the bottom surface of the grinding disc is improved or reduced in a reciprocating mode along with the rising or falling of the grinding disc, and accordingly grinding and polishing are promoted.
Description
Technical Field
The invention relates to the technical field of clutch accessory processing, in particular to a polishing mechanism for grinding a working surface of a clutch pressure plate.
Background
The clutch pressure plate is an important structure on the clutch, and the function of the clutch pressure plate plays an important role in the running safety of the automobile. Due to the poor working condition of the working surface of the clutch pressure plate, besides normal abrasion, the defects of cracking, scratching, eccentric abrasion and the like of the working surface often occur, and the clutch pressure plate needs to be repaired and replaced in time.
In the existing repairing process of the clutch pressure plate, a manual angle grinder is generally adopted for polishing or a milling cutter tool is used for plane polishing, in the polishing process of the polishing methods, the contact between a tool bit or a polishing disc and the working surface of the clutch pressure plate belongs to hard contact, the impact force is too large, the polishing uniformity and accuracy are lower, other accidental damages to the working surface are easily caused, and the repairing failure is caused.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a polishing mechanism for smoothing a working surface of a clutch pressure plate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a polishing mechanism for polishing the working surface of a clutch pressure plate comprises a grinding disc, wherein the inner diameter of the grinding disc is slightly larger than the outer diameter of the clutch pressure plate, the bottom surface in the grinding disc is a grinding surface, a smooth column is fixedly connected to the center of the bottom surface of the grinding disc, and a through sand outlet hole is formed in the position from the center of the bottom surface of the grinding disc to the column wall of the smooth column;
the grinding disc is arranged at the top of the smooth column, the middle position of the smooth column is movably sleeved with the sand receiving disc, the bottom of the sand receiving disc is fixedly connected with the installation square column body, the smooth column is also movably sleeved in the installation square column body, and the outer side wall of the installation square column body is provided with an installation threaded hole;
a ball rod is vertically connected to the column wall at the lower part of the smooth column, one end of the ball rod is a straight end and is fixedly connected to the column wall of the smooth column, the other end of the ball rod is a spherical end and is movably sleeved with a sleeve, a smooth cylindrical hole matched with the spherical end of the ball rod in a sleeved mode is formed in one side face of the sleeve, the inner diameter of the opening of the smooth cylindrical hole is smaller than the diameter of the spherical end of the ball rod, and the depth diameter of the smooth cylindrical hole is larger than the diameter of the spherical end of the ball rod;
one side face, far away from the ball arm, of the sleeve is fixedly connected to the eccentric position on the surface of the rotating disc, the surface center, far away from one side of the sleeve, of the rotating disc is fixedly connected with a driving shaft through a flat key, and one end, far away from the rotating disc, of the driving shaft is connected with a low-speed motor.
Preferably, the grinding disc is provided with edges at the periphery, the inner side wall of the edge of the grinding disc is lined with a rubber layer, and the thickness of the rubber layer is 2-2.5 mm.
Preferably, the end of the sand outlet hole, which is located on the bottom surface of the grinding disc, is funnel-shaped, the funnel-shaped part of the sand outlet hole is a smooth surface, and the chip powder generated by grinding and polishing is discharged out of the grinding disc through the sand outlet hole, so that the polishing accuracy is improved.
Preferably, the sanding surface of the disc has a roughness of 0.1-0.3um, which facilitates forming a working surface suitable for the roughness requirements of the clutch pressure plate.
Preferably, the low-speed motor is a positive and negative rotation low-speed motor, the rotation speed is 1-3r/min, when the low-speed motor and a driving shaft thereof drive a rotating disc to select, the sleeve moves circularly, so that the ball rod moves up and down in a twisting manner by combining up-and-down translation and circular motion along the smooth cylindrical hole, namely, the smooth column also moves up and down in a twisting manner, the grinding disc deflects in a reciprocating manner, the smooth column floats up and down, the clutch pressure plate is subjected to friction force in the grinding disc, and the clutch pressure plate rises or falls along with the grinding disc, so that the pressure of the clutch pressure plate on the bottom surface of the grinding disc is increased or reduced in a reciprocating manner, and grinding and polishing are.
Preferably, when the grinding disc is used for grinding the clutch pressure plate, a small amount of fine sand with the particle size of 200-300 meshes can be added, when the grinding disc is used for grinding, the working surface of the clutch pressure plate is positioned on the grinding disc, the fine sand is slowly sprinkled along the periphery of the grinding disc, and the using amount of the fine sand is based on the area of the bottom surface of the grinding disc which cannot be paved in a single layer, so that the friction force is properly increased, and grinding are promoted.
Compared with the prior art, the invention has the beneficial effects that:
the ball rod is enabled to be in a vertical twisting motion track formed by combining vertical translation and circular motion through the sleeve structure of circular motion, so that the smooth column and the grinding disc are enabled to be in the motion mode, the grinding disc is enabled to deflect in a reciprocating mode through the motion mode, the working surface of the clutch pressure plate is enabled to be in contact with the grinding disc and to be rubbed and ground along with deflection, and the pressure of the clutch pressure plate on the bottom surface of the grinding disc is improved or reduced in a reciprocating mode along with the rising or falling of the grinding disc, and accordingly grinding and polishing are promoted.
Therefore, the friction force between the clutch pressure plate and the grinding disc is adjusted through the movement mode of the mechanical mechanism, so that the grinding and polishing process of the clutch pressure plate is more stable, a working surface with uniform polishing is formed, the polishing mechanism is a polishing mechanism which is worthy of advocating, and the polishing mechanism is expected to be popularized and used greatly.
Drawings
FIG. 1 is a perspective view of a polishing mechanism for smoothing a working surface of a clutch pressure plate according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a polishing mechanism for smoothing the working surface of a clutch pressure plate according to the present invention;
in the figure: the grinding disc comprises a grinding disc 1, a smooth column 2, a sand outlet hole 3, a sand receiving disc 4, a mounting square column body 5, a mounting threaded hole 6, a ball rod 7, a sleeve 8, a smooth cylindrical hole 9, a rotating disc 10, a driving shaft 11 and a low-speed motor 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a polishing mechanism for smoothing the working surface of a clutch pressure plate comprises a grinding disc 1 with the inner diameter slightly larger than the outer diameter of the clutch pressure plate, wherein the bottom surface in the grinding disc 1 is a grinding surface, a smooth column 2 is fixedly connected to the center of the bottom surface of the grinding disc 1, and a through sand outlet hole 3 is formed from the center of the bottom surface of the grinding disc 1 to the column wall of the smooth column 2; the grinding disc 1 is arranged at the top of the smooth column 2, the middle position of the smooth column 2 is movably sleeved with the sand receiving disc 4, the bottom of the sand receiving disc 4 is fixedly connected with an installation square column body 5, the smooth column 2 is also movably sleeved in the installation square column body 5, and the outer side wall of the installation square column body 5 is provided with an installation threaded hole 6; a ball rod 7 is vertically connected to the column wall at the lower part of the smooth column 2, one end of the ball rod 7 is a straight end and is fixedly connected to the column wall of the smooth column 2, the other end of the ball rod 7 is a round end and is movably sleeved with a sleeve 8, a smooth cylindrical hole 9 which is in sleeved fit with the round end of the ball rod 7 is arranged on one side surface of the sleeve 8, the inner diameter of the opening of the smooth cylindrical hole 9 is smaller than the diameter of the round end of the ball rod 7, and the inner depth diameter of the smooth cylindrical hole 9 is larger than the diameter of the round end of the ball rod 7; one side of the sleeve 8 far away from the ball arm 7 is fixedly connected to the eccentric position on the surface of the rotating disc 10, the surface center of one side of the rotating disc 10 far away from the sleeve 8 is fixedly connected with a driving shaft 11 through a flat key, and one end of the driving shaft 11 far away from the rotating disc 10 is connected with a low-speed motor 12.
Referring to fig. 1-2, the periphery of a grinding disc 1 is provided with edges, the inner side wall of the edge of the grinding disc 1 is lined with a rubber layer, and the thickness of the rubber layer is 2-2.5mm, so that the arc edges around a clutch pressure plate are protected, and the workpiece damage caused by overlarge collision force is avoided.
Referring to fig. 2, one end of the sand outlet 3 located at the bottom of the grinding disc 1 is funnel-shaped, the funnel-shaped part of the sand outlet 3 is smooth, and the chip powder generated by grinding and polishing is discharged out of the grinding disc 1 through the sand outlet 3, so that the polishing accuracy is improved.
Referring to fig. 1, the roughness of the sanding surface of the disc 1 is 0.1-0.3um, which is advantageous for forming a working surface suitable for the roughness requirement of the clutch pressure plate.
Referring to fig. 1, a low-speed motor 12 is a specific forward and reverse rotation low-speed motor, the rotation speed is 1-3r/min, when the low-speed motor 12 and a driving shaft 11 thereof drive a rotating disc 10 to select, a sleeve 8 moves circularly, so that a ball rod 7 moves up and down along a smooth cylindrical hole 9 in a twisting motion which is formed by combining up and down translation and circular motion, namely, a smooth column 2 also moves up and down in a twisting motion, so that a grinding disc 1 deflects in a reciprocating manner, floats up and down along with a smooth column 2, a clutch pressure plate is subjected to friction force in the grinding disc 1, and rises or falls along with the grinding disc 1, so that the pressure of the clutch pressure plate on the bottom surface of the grinding disc 1 is improved or reduced in a reciprocating manner.
Referring to fig. 1-2, when the grinding disc 1 is used for grinding, a small amount of fine sand with the particle size of 200-300 meshes can be added to the clutch pressure disc, when the grinding disc 1 is used for grinding, the working surface of the clutch pressure disc is positioned on the grinding disc 1, the fine sand is slowly sprinkled along the periphery of the grinding disc 1, and the using amount of the fine sand is based on the area of the bottom surface of the grinding disc 1 which cannot be paved in a single layer, so that the friction force is properly increased, and the grinding and the polishing are promoted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A polishing mechanism for polishing the working surface of a clutch pressure plate comprises a grinding disc (1) with the inner diameter slightly larger than the outer diameter of the clutch pressure plate, and is characterized in that the bottom surface in the grinding disc (1) is a polishing surface, a smooth column (2) is fixedly connected to the center of the bottom surface of the grinding disc (1), and a through sand outlet hole (3) is formed in the position from the center of the bottom surface of the grinding disc (1) to the column wall of the smooth column (2);
the grinding disc (1) is arranged at the top of the smooth column (2), the middle of the smooth column (2) is movably sleeved with the sand receiving disc (4), the bottom of the sand receiving disc (4) is fixedly connected with an installation square column body (5), the smooth column (2) is also movably sleeved in the installation square column body (5), and the outer side wall of the installation square column body (5) is provided with an installation threaded hole (6);
a ball rod (7) is vertically connected to the column wall at the lower part of the smooth column (2), one end of the ball rod (7) is a straight end and is fixedly connected to the column wall of the smooth column (2), the other end of the ball rod (7) is a round end and is movably sleeved with a sleeve (8), a smooth cylindrical hole (9) matched with the round end of the ball rod (7) in a sleeved mode is formed in one side face of the sleeve (8), the inner diameter of the opening of the smooth cylindrical hole (9) is smaller than the diameter of the round end of the ball rod (7), and the inner depth diameter of the smooth cylindrical hole (9) is larger than the diameter of the round end of the ball rod (7);
one side face, far away from the ball arm (7), of the sleeve (8) is fixedly connected to the eccentric position on the surface of the rotating disc (10), the surface center, far away from one side of the sleeve (8), of the rotating disc (10) is fixedly connected with a driving shaft (11) through a flat key, and one end, far away from the rotating disc (10), of the driving shaft (11) is connected with a low-speed motor (12).
2. The polishing mechanism for flattening the working surface of the clutch pressure plate according to claim 1, characterized in that the grinding disc (1) is provided with a rim on the periphery, and the inner side wall of the rim of the grinding disc (1) is lined with a rubber layer, and the thickness of the rubber layer is 2-2.5 mm.
3. The polishing mechanism for smoothing the working surface of the clutch pressure plate according to claim 1, characterized in that the end of the sand outlet hole (3) at the bottom surface of the grinding disc (1) is funnel-shaped, and the funnel-shaped part of the sand outlet hole (3) is smooth.
4. The polishing mechanism for smoothing the working surface of the clutch pressure plate according to claim 1, characterized in that the roughness of the grinding surface of the grinding disc (1) is 0.1-0.3 um.
5. The polishing mechanism for clutch platen facing according to claim 1, wherein said low speed motor (12) is a counter-rotating low speed motor with a speed of 1-3 r/min.
6. The polishing mechanism for the clutch pressure plate working surface polishing as claimed in claim 1, wherein a small amount of fine sand with 200-300 mesh particle size can be added to the clutch pressure plate when the polishing disc (1) polishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911184886.9A CN110842744B (en) | 2019-11-27 | 2019-11-27 | Polishing mechanism for grinding working surface of clutch pressure plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911184886.9A CN110842744B (en) | 2019-11-27 | 2019-11-27 | Polishing mechanism for grinding working surface of clutch pressure plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110842744A true CN110842744A (en) | 2020-02-28 |
| CN110842744B CN110842744B (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911184886.9A Active CN110842744B (en) | 2019-11-27 | 2019-11-27 | Polishing mechanism for grinding working surface of clutch pressure plate |
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| CN (1) | CN110842744B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2182028Y (en) * | 1993-07-05 | 1994-11-09 | 沈阳黎明铝门窗工程公司 | Speed-regulating polisher |
| CN2370995Y (en) * | 1999-05-14 | 2000-03-29 | 夏来德 | Grinder for non-frame glasses |
| CN201596951U (en) * | 2010-01-18 | 2010-10-06 | 浙江名媛工艺饰品有限公司 | Polishing roller lifting mechanism |
| EP2647459B1 (en) * | 2012-04-02 | 2017-03-01 | Klingelnberg AG | Device and method for processing bevelled wheels using an eccentrically moved grinding tool |
| CN203863488U (en) * | 2014-05-20 | 2014-10-08 | 浙江杭泰汽车零部件有限公司 | Polishing and detection all-in-one machine of clutch pressure plate |
| CN106271909B (en) * | 2016-09-21 | 2018-09-18 | 成都创慧科达科技有限公司 | A kind of quick knife sharpening device |
| CN207358731U (en) * | 2017-10-12 | 2018-05-15 | 辽宁科技学院 | A kind of multinomial movement is superimposed big magnetic circuit magnetorheological finishing device |
| CN208880371U (en) * | 2018-10-18 | 2019-05-21 | 天津博顺德科技有限公司 | A kind of grinding device for clutch compressing disc |
| CN209425145U (en) * | 2018-12-20 | 2019-09-24 | 兴化市富强机械铸造有限公司 | A kind of clutch compressing disc side sanding and polishing device |
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2019
- 2019-11-27 CN CN201911184886.9A patent/CN110842744B/en active Active
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| CN110842744B (en) | 2021-03-26 |
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