CN104690611A - Cylindrical grinding machine for universal joint cage - Google Patents
Cylindrical grinding machine for universal joint cage Download PDFInfo
- Publication number
- CN104690611A CN104690611A CN201510060754.0A CN201510060754A CN104690611A CN 104690611 A CN104690611 A CN 104690611A CN 201510060754 A CN201510060754 A CN 201510060754A CN 104690611 A CN104690611 A CN 104690611A
- Authority
- CN
- China
- Prior art keywords
- workpiece
- grinding wheel
- upper frame
- fixedly mounted
- universal joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
- B24B5/045—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally with the grinding wheel axis perpendicular to the workpiece axis
-
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to a cylindrical grinding machine for a universal joint cage. The cylindrical grinding machine comprises a machine body, a fixed disk, a workpiece leaning frame, a workpiece carrier, a grinding wheel and a workpiece supporting frame, wherein the workpiece carrier, the workpiece supporting frame and the fixed disk are fixedly mounted on the machine body, the workpiece leaning frame is movably mounted in a central hole of the fixed disk, the grinding wheel is fixedly mounted at the end part of a rotary shaft of a grinding wheel drive motor, a base of the grinding wheel drive motor is mounted on the machine body through a dovetail groove, and the direction of the dovetail groove is a diameter direction of the grinding wheel drive motor. Mainly the workpiece supporting frame utilizes an automatic compensation rolling supporting frame; when the surface of a cage is ground by the grinding wheel drive motor and the size changes, an air cylinder piston rod of the workpiece supporting frame automatically pushes the supporting rod to be compressed on the surface of the cage, so that the machining precision is provided; meanwhile, the cage and the workpiece supporting frame are in rolling supporting contact, so that the cage is prevented from generating scratches on the workpiece supporting frame when the cage rotates at high speed, and the machining precision is high; the cylindrical grinding machine for the universal joint cage is suitable for cylindrical grinding devices of the universal joint cage.
Description
Technical field
The invention belongs to cylindrical grinder.The present invention is applicable to the equipment for grinding of universal joint retainer cylindrical.
Background technology
The grinding accuracy of universal joint retainer cylindrical is the key determining product quality, and the key determining retainer cylindrical precision is equipment for grinding.Due to the structure that retainer is special, the grinding of its cylindrical needs special equipment.The cylindrical grinding apparatus of existing retainer, be made up of by frame, work supporting block, abrasive grinding wheel, workpiece upper frame fuselage, fixed disk, workpiece, fixed disk, work supporting block, abrasive grinding wheel, workpiece upper frame are fixedly mounted on fuselage, and workpiece is fixedly mounted in fixed disk end face by frame.During grinding, retainer is fitted in workpiece by frame by work supporting block, abrasive grinding wheel and workpiece upper frame contact the periphery in retainer both sides, and main shaft rotarily drives fixed disk, workpiece by frame and retainer coaxial rotating, makes abrasive grinding wheel carry out grinding to retainer periphery.Its major defect is: workpiece upper frame adopts and contacts at the cylinder contacts point of a push rod welding edges Hardmetal materials and retainer periphery, in retainer High Rotation Speed, wearing and tearing are produced to the contact point of workpiece upper frame, its periphery is subject to the grinding of abrasive grinding wheel simultaneously, the power that contacts of workpiece upper frame and retainer is declined, affects grinding accuracy.Further, in grinding process, the Hardmetal materials cylinder contacts point of workpiece upper frame end produces cut to retainer periphery, reduces surfacing precision.
Summary of the invention
The object of the invention is the shortcoming existed for prior art, provide a kind of workpiece upper frame can automatically hold out against universal joint retainer surface, grinding process is to universal joint retainer surface no marking, universal joint retainer cylindricalo grinding machine that grinding accuracy is high.
Technical scheme of the present invention comprises fuselage, fixed disk, workpiece by frame, work supporting block, abrasive grinding wheel, workpiece upper frame, work supporting block, workpiece upper frame and fixed disk are fixedly mounted on fuselage, workpiece is movably arranged in the centre bore of fixed disk by frame, abrasive grinding wheel is fixedly mounted on the end of grinding wheel drive mitor rotating shaft, the base of grinding wheel drive mitor is arranged on fuselage by dovetail groove, and the direction of this dovetail groove is abrasive grinding wheel diametric(al); Mainly workpiece upper frame adopts auto-compensation rolling upper frame, this auto-compensation rolling upper frame is made up of mount pad, cylinder, mounting bracket, push rod, connecting rod, wear-resisting rolling bearing, mount pad is fixedly mounted on fuselage, the cylinder body of mounting bracket and cylinder is fixedly mounted on mount pad, connecting rod is fixedly mounted in the installing hole of push rod one end, wear-resisting rolling bearing is movably arranged on connecting rod, the push rod other end is movably arranged on the inner chamber of mounting bracket, and the piston rod of cylinder is fixedly connected with push rod end face through mounting bracket end face; The outside of grinding wheel drive mitor base and the push rod end of propulsion cylinder contact, and propulsion cylinder push rod center line is parallel with dovetail groove.
In above technical scheme, in piston rod periphery mounting spring, the top, two ends of this spring is contained between push rod end face and mounting bracket inner face.
In above technical scheme, work supporting block is made up of servomotor, feeding crank and plastic tray post, and on a mounting board, its rotating shaft is fixedly connected with feeding crank one end, and plastic tray post is movably arranged on the other end of feeding crank in servomotor fixed installation.
In above technical scheme, be shaped with regulating tank in mount pad plane along piston rod centerline direction, mount pad is fixedly mounted on fuselage through this regulating tank by screw.
Advantage of the present invention is that workpiece upper frame adopts auto-compensation rolling upper frame, and when retainer surface is ground that in wheel grinding process, size changes, cylinder piston rod automatically promotes push rod and wear-resisting rolling bearing is pressed on retainer surface, provides machining accuracy; Meanwhile, adopt wear-resisting rolling bearing and retainer to contact, when avoiding retainer High Rotation Speed and workpiece upper frame produce scratch, its machining accuracy is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of invention.
Fig. 2 is the partial structurtes schematic diagram of workpiece upper frame in Fig. 1 of the present invention.
1 fuselage, 2 fixed disks, 3 workpiece are by frame, 4 servomotors, 5 abrasive grinding wheels, 6 mount pads, 7 retainers, 8 installing plates, 9 plastic tray posts, 10 feeding cranks, 11 cylinders, 12 mounting brackets, 13 push rods, 14 connecting rods, 15 wear-resisting rolling bearings, 16 springs, 17 piston rods, 18 regulating tanks.
Detailed description of the invention
Universal joint retainer cylindricalo grinding machine as shown in Figure 1, comprise fuselage 1, fixed disk 2, workpiece is by frame 3, work supporting block, abrasive grinding wheel 5, workpiece upper frame, fixed disk 2, work supporting block, the fixed installation of workpiece upper frame on the fuselage 1, workpiece is movably arranged in the centre bore of fixed disk 2 by frame 3, namely the centre bore of fixed disk 2 leans between the periphery of frame 3 can relatively rotate with workpiece, workpiece is installed by frame 3 axial restraint in fixed disk 2 centre bore, abrasive grinding wheel 5 is fixedly mounted on the end of grinding wheel drive mitor rotating shaft, the base of grinding wheel drive mitor is installed on the fuselage 1 by dovetail groove, the direction of this dovetail groove is abrasive grinding wheel 5 diametric(al), base is made to drive grinding wheel drive mitor and abrasive grinding wheel 5 to move radially to retainer 7 in dovetail groove, retainer 7 is contained in workpiece by frame 3 by work supporting block and workpiece upper frame top, the High Rotation Speed of abrasive grinding wheel 5 drives retainer 7 to rotate, realize retainer 7 surfacing, workpiece upper frame adopts auto-compensation rolling upper frame, this auto-compensation rolling upper frame is by mount pad 6, cylinder 11, mounting bracket 12, push rod 13, connecting rod 14, wear-resisting rolling bearing 15 forms, mount pad 6 fixedly mounts on the fuselage 1, the cylinder body of mounting bracket 12 and cylinder 11 is fixedly mounted on mount pad 6, connecting rod 14 is fixedly mounted in the installing hole of push rod 13 1 end, wear-resisting rolling bearing 15 is movably arranged on connecting rod 14, namely wear-resisting rolling bearing 15 can rotate by circumferencial direction on connecting rod 14, and axis direction fixed installation on connecting rod 14, drive wear-resisting rolling bearing 15 to rotate on connecting rod 14 when retainer 7 rotates, realize Structure deformation between workpiece upper frame and retainer 7 surface, workpiece upper frame is avoided to produce scratch to retainer 7 surface, push rod 13 other end is movably arranged on the inner chamber of mounting bracket 12, the piston rod 17 of cylinder 11 is fixedly connected with push rod 13 end face through mounting bracket 12 end face, namely push rod 13 periphery coordinates with mounting bracket 12 internal chamber wall is dynamic, the end face center that push rod 13 is positioned at mounting bracket 12 inner chamber is fixedly connected with piston rod 17, piston rod 17 promotes push rod 13 makes the wear-resisting rolling bearing 15 of its end press closer tactile with retainer 7 surface pressure, realize the contact of the automatic impaction after retainer 7 surfacing, as shown in Figure 2.The outside of grinding wheel drive mitor base and the push rod end of propulsion cylinder contact, and propulsion cylinder push rod center line is parallel with dovetail groove, and in retainer 7 grinding process, the automatic radial grinding emery wheel 5 of propulsion cylinder keeps Grinding Contact state with retainer 7 surface.
In piston rod 17 periphery mounting spring 16, top, the two ends of this spring 16 is contained between push rod 13 end face and mounting bracket 12 inner face, and spring 16 increases that the thrust of wear-resisting rolling bearing 15 pairs of retainers 7 is gentle rushes damping effect.
Work supporting block is made up of servomotor 4, feeding crank 10 and plastic tray post 9, servomotor 4 fixedly mounts on the fuselage 1 by installing plate 8, servomotor 4 rotating shaft is fixedly connected with feeding crank 10 one end, and plastic tray post 9 is movably arranged on the other end of feeding crank 10, as shown in Figure 1.Plastic tray post 9 is sleeved in retainer 7 endoporus, drives plastic tray post 9 to rotate relative to feeding crank 10 when retainer 7 rotates.
Regulating tank 18 is shaped with along piston rod 17 centerline direction in mount pad 6 plane, mount pad 6 fixedly mounts on the fuselage 1 through this regulating tank 18 by screw, by the installation site of adjustment screw in regulating tank 18, workpiece upper frame can be made to hold out against the retainer 7 of different-diameter, adapt to the grinding of different-diameter retainer 7.
Workpiece upper frame has identical two of structure, one of them workpiece upper frame and abrasive grinding wheel 5 symmetry are arranged on retainer 7 horizontal direction both sides, another is arranged on the downside of retainer 7 vertical direction, and namely two workpiece upper frame installation sites are in 90 °, and abrasive grinding wheel 5 counterclockwise rotates.
The power supply of cylinder 11, the power supply of propulsion cylinder, the power supply of servomotor 4, the power supply of grinding wheel drive mitor are controlled by control system.
At the centre bore of fixed disk 2 and workpiece, rolling bearing is set by between frame 3 periphery, this rolling bearing is fixedly connected with the periphery of workpiece by frame 3, and be axially installed in the centre bore of fixed disk 2, make workpiece lean on frame 3 can rotate at the centre bore of fixed disk 2.
Claims (5)
1. a universal joint retainer cylindricalo grinding machine, comprise fuselage (1), fixed disk (2), workpiece is by frame (3), work supporting block, abrasive grinding wheel (5), workpiece upper frame, fixed disk (2), work supporting block, workpiece upper frame is fixedly mounted on fuselage (1), workpiece is movably arranged in the centre bore of fixed disk (2) by frame (3), abrasive grinding wheel (5) is fixedly mounted on the end of grinding wheel drive mitor rotating shaft, the base of grinding wheel drive mitor is arranged on fuselage (1) by dovetail groove, the direction of this dovetail groove is abrasive grinding wheel (5) diametric(al), it is characterized in that workpiece upper frame adopts auto-compensation rolling upper frame, this auto-compensation rolling upper frame is by mount pad (6), cylinder (11), mounting bracket (12), push rod (13), connecting rod (14), wear-resisting rolling bearing (15) forms, mount pad (6) is fixedly mounted on fuselage (1), the cylinder body of mounting bracket (12) and cylinder (11) is fixedly mounted on mount pad (6), connecting rod (14) is fixedly mounted in the installing hole of push rod (13) end, wear-resisting rolling bearing (15) is movably arranged on connecting rod (14), push rod (13) other end is movably arranged on the inner chamber of mounting bracket (12), the piston rod (17) of cylinder (11) is fixedly connected with push rod (13) end face through mounting bracket (12) end face, the outside of grinding wheel drive mitor base and the push rod end of propulsion cylinder contact, and propulsion cylinder push rod center line is parallel with dovetail groove, workpiece upper frame has identical two of structure, and one of them workpiece upper frame and abrasive grinding wheel (5) symmetry are arranged on retainer (7) horizontal direction both sides, and another workpiece upper frame is arranged on the downside of retainer (7) vertical direction.
2. universal joint retainer cylindricalo grinding machine according to claim 1, it is characterized in that in piston rod (17) periphery mounting spring (16), the top, two ends of this spring (16) is contained between push rod (13) end face and mounting bracket (12) inner face.
3. universal joint retainer cylindricalo grinding machine according to claim 1 and 2, it is characterized in that work supporting block is made up of servomotor (4), feeding crank (10) and plastic tray post (9), servomotor (4) is fixedly mounted on fuselage (1) by installing plate (8), servomotor (4) rotating shaft is fixedly connected with feeding crank (10) one end, and plastic tray post (9) is movably arranged on the other end of feeding crank (10).
4. universal joint retainer cylindricalo grinding machine according to claim 1 and 2, it is characterized in that being shaped with regulating tank (18) along piston rod (17) centerline direction in mount pad (6) plane, mount pad (6) is fixedly mounted on fuselage (1) through this regulating tank (18) by screw.
5. universal joint retainer cylindricalo grinding machine according to claim 3, it is characterized in that being shaped with regulating tank (18) along piston rod (17) centerline direction in mount pad (6) plane, mount pad (6) is fixedly mounted on fuselage (1) through this regulating tank (18) by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060754.0A CN104690611A (en) | 2015-02-03 | 2015-02-03 | Cylindrical grinding machine for universal joint cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060754.0A CN104690611A (en) | 2015-02-03 | 2015-02-03 | Cylindrical grinding machine for universal joint cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104690611A true CN104690611A (en) | 2015-06-10 |
Family
ID=53338363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510060754.0A Pending CN104690611A (en) | 2015-02-03 | 2015-02-03 | Cylindrical grinding machine for universal joint cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104690611A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141826A (en) * | 2016-08-30 | 2016-11-23 | 湖南南方搏云新材料股份有限公司 | A kind of carbon felt heat-preservation cylinder Cylindrical Grinding Processes device |
| CN111230678A (en) * | 2020-03-19 | 2020-06-05 | 苏州市职业大学 | Precise fine arc grinding mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855734A (en) * | 1973-03-28 | 1974-12-24 | Warner Swasey Co | Grinding machine with workpiece locator assembly |
| JPS6239174A (en) * | 1985-07-29 | 1987-02-20 | エナジ− − アダプテイブ グラインデイング インコ−ポレイテイツド | Grinding method and execution system thereof |
| CN201824144U (en) * | 2010-10-22 | 2011-05-11 | 南京数控机床有限公司 | Lateral supporting device |
| CN201833239U (en) * | 2009-09-29 | 2011-05-18 | 株式会社太阳工机 | Grinding machine |
| CN203092263U (en) * | 2013-03-26 | 2013-07-31 | 新昌县盛大科技有限公司 | Workpiece clamping and conveying mechanism of plaingrinder |
-
2015
- 2015-02-03 CN CN201510060754.0A patent/CN104690611A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855734A (en) * | 1973-03-28 | 1974-12-24 | Warner Swasey Co | Grinding machine with workpiece locator assembly |
| JPS6239174A (en) * | 1985-07-29 | 1987-02-20 | エナジ− − アダプテイブ グラインデイング インコ−ポレイテイツド | Grinding method and execution system thereof |
| CN201833239U (en) * | 2009-09-29 | 2011-05-18 | 株式会社太阳工机 | Grinding machine |
| CN201824144U (en) * | 2010-10-22 | 2011-05-11 | 南京数控机床有限公司 | Lateral supporting device |
| CN203092263U (en) * | 2013-03-26 | 2013-07-31 | 新昌县盛大科技有限公司 | Workpiece clamping and conveying mechanism of plaingrinder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141826A (en) * | 2016-08-30 | 2016-11-23 | 湖南南方搏云新材料股份有限公司 | A kind of carbon felt heat-preservation cylinder Cylindrical Grinding Processes device |
| CN111230678A (en) * | 2020-03-19 | 2020-06-05 | 苏州市职业大学 | Precise fine arc grinding mechanism |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150610 |