CN110549199B - Ball grinder - Google Patents
Ball grinder Download PDFInfo
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- CN110549199B CN110549199B CN201910937611.1A CN201910937611A CN110549199B CN 110549199 B CN110549199 B CN 110549199B CN 201910937611 A CN201910937611 A CN 201910937611A CN 110549199 B CN110549199 B CN 110549199B
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- workbench
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- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
Abstract
The invention provides a ball grinder which can solve the problems that the existing ball grinding adopts manual grinding, and the grinding precision is low and the efficiency is low. The device comprises a machine table, wherein a ball driving mechanism and a swinging workbench are respectively arranged on the top surface of the machine table along the front-back direction; the ball body is fixedly arranged at the rear end of a first main shaft of the ball body driving mechanism, the first main shaft is arranged in the front-rear direction, and the ball body driving mechanism is used for driving the first main shaft to rotate; the swinging workbench is arranged along the left-right direction of the machine table, the middle part of the swinging workbench is rotationally connected with the machine table through a vertical rotating shaft, and the sphere driving mechanism is also used for driving the swinging workbench to swing back and forth on the top surface of the machine table; grinding head driving mechanisms are symmetrically arranged at the left end and the right end of the swinging workbench, grinding heads are fixedly arranged on a second main shaft of the grinding head driving mechanism, two grinding heads are respectively arranged at the left side and the right side of the sphere in a matched mode, and the grinding head driving mechanisms are used for driving the second main shaft to rotate so that the grinding heads grind the sphere.
Description
Technical Field
The invention relates to the field of grinding equipment for metal spheres in ball valves and semi-ball valves, in particular to a ball grinder.
Background
Metal spheres are arranged in the ball valve and the half ball valve, and as key components of the ball valve and the half ball valve, the surface roughness and roundness of the spheres influence the leakage grade of the valve, so that a grinding procedure is carried out in the sphere processing, and the purpose is to reduce the surface roughness and roundness of the spheres. The existing ball grinding adopts manual grinding, so that the grinding precision is low and the efficiency is low.
Disclosure of Invention
Aiming at the technical problems that the existing ball grinding is manually adopted, the grinding precision is low and the efficiency is low, the invention provides a ball grinding machine which can realize automatic grinding of balls and has high grinding precision and high efficiency.
The technical scheme is as follows: a ball grinder, characterized in that: the device comprises a machine table, wherein a ball driving mechanism and a swinging workbench are respectively arranged on the top surface of the machine table along the front-back direction; the sphere is fixedly arranged at the rear end of a first main shaft of the sphere driving mechanism, the first main shaft is arranged in the front-rear direction, and the sphere driving mechanism is used for driving the first main shaft to rotate; the swinging workbench is arranged along the left-right direction of the machine table, the middle part of the swinging workbench is rotationally connected with the machine table through a vertical rotating shaft, and the sphere driving mechanism is also used for driving the swinging workbench to swing back and forth on the top surface of the machine table; grinding head driving mechanisms are symmetrically arranged at the left end and the right end of the swing workbench, grinding heads are fixedly arranged on a second main shaft of the grinding head driving mechanisms, two grinding heads are respectively arranged at the left side and the right side of the sphere in a matched mode, and the grinding head driving mechanisms are used for driving the second main shaft to rotate so that the grinding heads grind the sphere.
It is further characterized by:
the ball driving mechanism comprises a motor I and a spindle seat I, the motor I is fixedly arranged on the top surface of the machine table, the spindle seat I is fixedly arranged at the top of the motor I, two ends of the spindle I are rotatably arranged on the spindle seat I, a main belt pulley I is fixedly connected with the front end of an output shaft of the motor I, a secondary belt pulley I is fixedly connected with the front end of the spindle I, and the main belt pulley I and the secondary belt pulley I are in transmission connection through a belt.
The ball driving mechanism drives the swing workbench to swing back and forth on the top surface of the machine platform through the connecting rod mechanism; the connecting rod mechanism comprises a connecting rod and a gear motor, the gear motor is fixedly arranged on the front side of the machine table, a secondary belt pulley II is fixedly connected to the front end of an input shaft of the gear motor, and the primary belt pulley I and the secondary belt pulley II are in transmission connection through a belt II; the upper end of an output shaft of the gear motor is fixedly connected with one end of a first connecting rod seat, a second connecting rod seat is fixedly connected to the front side surface of one end of the swing workbench, and two ends of the connecting rod are respectively connected with the other end of the first connecting rod seat and the second connecting rod seat in a rotating mode through vertical pin shafts.
The other end of the first connecting rod seat is provided with a kidney-shaped hole, a screw is adjustably arranged in the kidney-shaped hole, and the top of the screw is connected with the vertical pin shaft.
And a frequency converter matched with the gear motor is also arranged on the machine.
The grinding head driving mechanism comprises a motor II and a spindle seat II, the spindle seat II is symmetrically arranged at the left end and the right end of the swing workbench, the motor II is respectively fixed at the top of the spindle seat II, the two ends of the spindle II are rotatably arranged on the spindle seat II, a main belt pulley II is fixedly connected to an output shaft of the motor II, a secondary belt pulley III is fixedly connected to one end of the spindle II, the grinding head is fixedly connected to the other end of the spindle II, and the main belt pulley II and the secondary belt pulley III are in transmission connection through a belt III.
The adjusting mechanism comprises an adjusting screw, sliding seats are respectively arranged on the top surfaces of the left end and the right end of the swing workbench in a sliding fit mode, the two sliding seats can move relatively or oppositely, the second spindle seat is fixed on the top surface of the corresponding sliding seat, a support seat is respectively and fixedly arranged on the front side surface or the rear side surface of the swing workbench corresponding to the sliding seat, a pushing block is arranged on the sliding seat corresponding to the support seat, the adjusting screw is in threaded fit with and penetrates through the support seat, the end portions of the adjusting screw are connected with the pushing blocks, a handle is arranged at the other end of the adjusting screw, and the adjusting screw is used for pushing or pulling the sliding seat to move.
Dovetail-shaped lugs are respectively arranged on the top surfaces of the left end and the right end of the swinging workbench, dovetail grooves are arranged on the bottom surfaces of the sliding seats, and the dovetail grooves are slidably assembled on the dovetail-shaped lugs.
The grinding head can be replaced by a valve seat matched with the sphere.
The beneficial effects of the invention are as follows:
The ball grinding machine is provided with the ball driving mechanism and the swinging workbench, the ball driving mechanism can drive the ball to be ground to rotate, meanwhile, the swinging workbench can also be driven to swing back and forth, the grinding head driving mechanisms are symmetrically arranged at the left end and the right end of the swinging workbench, the grinding head driving mechanism can drive the grinding head to rotate, so that the grinding head can rotate and swing around the ball and can rotate around the ball, the whole spherical surface of the ball is ground in cooperation with the rotation of the ball, the grinding precision is high, the surface roughness of the ball is low, the mirror surface effect can be achieved, the roundness can be controlled within 0.02mm, the surface quality requirement of the ball valve on the ball is completely met, and the grinding efficiency is greatly improved through machine grinding, so that the ball grinding machine is suitable for industrial production.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic diagram of the overall structure of the present invention;
fig. 4 is an enlarged view of area a in fig. 3.
Reference numerals: 1, a machine table; 2-swinging a workbench; 3-sphere; 4-a first spindle; 5-a vertical rotating shaft; 6-grinding head; 7-a second spindle; 8-motor I; 9-a first spindle seat; 10-primary pulley one; 11-a first auxiliary pulley; 12-belt one; 13-a connecting rod; 14-a gear motor; 15-a frequency converter; 16-a secondary pulley II; 17-a second belt; 18-a first connecting rod seat; 19-a second connecting rod seat; 21-a vertical pin shaft; 22-kidney-shaped holes; 23-screws; 24-a second motor; 25-a second spindle seat; 26-primary pulley two; 27-a third auxiliary pulley; 28-belt three; 29-adjusting the screw; 30-a slide; 31-supporting seat; 32-pushing blocks; 33-handle; 34-dove tail bumps.
Detailed Description
Referring to fig. 1 to 4, the ball grinder of the present invention comprises a machine table 1, wherein a ball driving mechanism and a swing table 2 are respectively installed on the top surface of the machine table 1 along the front-rear direction; the sphere 3 is fixedly arranged at the rear end of a first main shaft 4 of the sphere driving mechanism, the first main shaft 4 is arranged along the front-rear direction, and the sphere driving mechanism is used for driving the first main shaft 4 to rotate; the swinging workbench 2 is of a long plate-shaped structure, the length direction of the swinging workbench is arranged along the left-right direction of the machine table 1, the middle part of the swinging workbench is rotationally connected with the machine table 1 through a vertical rotating shaft 5, and the ball driving mechanism is also used for driving the swinging workbench 2 to swing around the vertical rotating shaft 5 on the top surface of the machine table 1; grinding head driving mechanisms are symmetrically arranged at the left end and the right end of the swinging workbench 2, grinding heads 6 are fixedly arranged on a second spindle 7 of the grinding head driving mechanism, two grinding heads 6 are respectively arranged at the left side and the right side of the sphere 3 in a matched mode, and the grinding head driving mechanisms are used for driving the second spindle 7 to rotate so that the grinding heads 6 grind the sphere 3.
Referring to fig. 1 to 3, the ball driving mechanism comprises a motor 8 and a spindle seat 9, the motor 8 is fixedly installed on the top surface of the machine table 1, the spindle seat 9 is fixedly installed on the top of the motor 8, two ends of a spindle 4 are rotatably installed on the spindle seat 9, the front end of an output shaft of the motor 8 is fixedly connected with a main belt pulley 10, the front end of the spindle 4 is fixedly connected with a secondary belt pulley 11, and the main belt pulley 10 and the secondary belt pulley 11 are in transmission connection through a belt 12. By the design, the motor I can drive the main shaft I to rotate through the main belt pulley I, the belt I and the auxiliary belt pulley I, so that the ball on the main shaft I is driven to rotate, and the motor is simple in structure and convenient to process and manufacture.
Referring to fig. 1 to 4, a ball driving mechanism drives a swing workbench 2 to swing back and forth on the top surface of a machine table 1 through a link mechanism; the connecting rod mechanism comprises a connecting rod 13 and a gear motor 14, the gear motor 14 is fixedly arranged on the front side of the machine table 1, a frequency converter 15 matched with the gear motor 14 is further arranged on the machine table 1, a secondary belt pulley II 16 is fixedly connected to the front end of an input shaft of the gear motor 14, and the primary belt pulley I10 and the secondary belt pulley II 16 are in transmission connection through a belt II 17; the upper end of the output shaft of the gear motor 14 is fixedly connected with one end of a first connecting rod seat 18, a second connecting rod seat 19 is fixedly connected to the front side surface of one end of the swinging workbench 2, and two ends of the connecting rod 13 are respectively and rotatably connected with the other end of the first connecting rod seat 18 and the second connecting rod seat 19 through a vertical pin shaft 21. By means of the design, the first motor in the ball driving mechanism can drive the gear motor through the first main belt pulley, the second belt pulley and the second auxiliary belt pulley, the gear motor further drives one end of the connecting rod to rotate by taking the output shaft of the gear motor as the circle center, and the front-back swing of the swing workbench can be achieved under the driving of the second connecting rod seat, so that the structure design is compact and reasonable.
Referring to fig. 4, a kidney-shaped hole 22 is formed in the other end of the first connecting rod seat 18, a screw 23 is adjustably mounted in the kidney-shaped hole 22, and the top of the screw 23 is connected with a vertical pin 21. By means of the design, the rotating radius of the connecting rod can be adjusted through adjusting the position of the screw in the kidney-shaped hole, and further the swing angle of the swing workbench can be adjusted, so that the grinding ball machine can adapt to grinding of balls with different sizes, and the application range of the grinding ball machine is widened.
Referring to fig. 1, the grinding head driving mechanism comprises a motor two 24 and a spindle seat two 25, the spindle seat two 25 is symmetrically arranged at the left end and the right end of the swing workbench 2, the motor two 24 is respectively fixed at the top of the spindle seat two 25, the two ends of the spindle two 7 are rotatably arranged on the spindle seat two 25, the spindle two 7 is arranged along the length direction of the swing workbench 2, a main belt pulley two 26 is fixedly connected to an output shaft of the motor two 24, a subsidiary belt pulley three 27 is fixedly connected to one end of the spindle two 7, a grinding head 6 is fixedly connected to the other end of the spindle two, and the main belt pulley two 26 and the subsidiary belt pulley three 27 are in transmission connection through a belt three 28. By the design, the motor II can drive the main shaft II to rotate through the main belt pulley II, the belt III and the auxiliary belt pulley III, so that the grinding head on the main shaft II is driven to rotate, and the grinding head is simple in structure and convenient to process and manufacture.
Referring to fig. 1 to 4, an adjusting mechanism is further installed between the second spindle seat 25 and the swinging table 2, the adjusting mechanism includes an adjusting screw 29, sliding bases 30 are installed on top surfaces of left and right ends of the swinging table 2 in a sliding fit manner, the two sliding bases 30 can move relatively or oppositely, the second spindle seat 25 is fixed on top surfaces of the corresponding sliding bases 30, supporting seats 31 are fixedly installed on front side surfaces or rear side surfaces of the swinging table 2 corresponding to the sliding bases 30, pushing blocks 32 are installed on the sliding bases 30 corresponding to the supporting seats 31, the adjusting screw 29 is arranged along the length direction of the swinging table 2, the adjusting screw 29 is in threaded fit with the supporting seats 31, ends of the adjusting screw 29 are connected with the pushing blocks 32, handles 33 are installed at the other ends of the adjusting screw 29, and the adjusting screw 29 is used for pushing or pulling the sliding bases 30 to move. Through setting up adjustment mechanism, forward or reverse rotation handle, adjusting screw can promote or pulling slide and remove, and then adjusts the distance between bistrique and the spheroid, ensures bistrique and spheroid laminating, guarantees the grinding effect.
Referring to fig. 3, dovetail-shaped lugs 34 are respectively arranged on top surfaces of left and right ends of the swing table 2, dovetail grooves are arranged on the bottom surfaces of the sliding seats 30, and the dovetail grooves are slidably assembled on the dovetail-shaped lugs 34. The design is simple in structure and convenient to process and manufacture.
The grinding head can be replaced by the valve seat matched with the ball body, so that the ball body and the valve seat can be matched and ground, the whole spherical surface of the ball body can be completely attached to the sealing surface of the valve seat through long-time grinding, the hard sealing ball valve can achieve the cutting-off effect, and the leakage grade of the valve is improved.
The following describes in detail the process of grinding spheres using the apparatus of the present invention: the ball 3 is arranged at the rear end of the first main shaft 4, the grinding head 6 or the valve seat is arranged on the second main shaft 7, the position of the screw 23 on the first connecting rod seat 18 is adjusted according to the size of the area to be ground on the ball 3, the grinding head 6 can be completely ground on the ball 3, the handle 33 is rotated to adjust the position of the sliding seat 30, the sliding seat 30 drives the grinding head 6 or the valve seat to relatively move until the grinding head 6 or the valve seat is completely attached to the ball 3, and then the motor I8 and the motor II 24 are started, so that the automatic grinding of the ball 3 can be realized.
Claims (7)
1. A ball grinder, characterized in that: the device comprises a machine table, wherein a ball driving mechanism and a swinging workbench are respectively arranged on the top surface of the machine table along the front-back direction; the sphere is fixedly arranged at the rear end of a first main shaft of the sphere driving mechanism, the first main shaft is arranged in the front-rear direction, and the sphere driving mechanism is used for driving the first main shaft to rotate; the swinging workbench is arranged along the left-right direction of the machine table, the middle part of the swinging workbench is rotationally connected with the machine table through a vertical rotating shaft, and the sphere driving mechanism is also used for driving the swinging workbench to swing back and forth on the top surface of the machine table; grinding head driving mechanisms are symmetrically arranged at the left end and the right end of the swing workbench, grinding heads are fixedly arranged on a second main shaft of the grinding head driving mechanism, the two grinding heads are respectively arranged at the left side and the right side of the sphere in a matched mode, and the grinding head driving mechanisms are used for driving the second main shaft to rotate so that the grinding heads grind the sphere; the ball driving mechanism comprises a motor I and a spindle seat I, the motor I is fixedly arranged on the top surface of the machine table, the spindle seat I is fixedly arranged on the top of the motor I, two ends of the spindle I are rotatably arranged on the spindle seat I, the front end of an output shaft of the motor I is fixedly connected with a main belt pulley I, the front end of the spindle I is fixedly connected with a secondary belt pulley I, and the main belt pulley I and the secondary belt pulley I are in transmission connection through a belt I; the ball driving mechanism drives the swing workbench to swing back and forth on the top surface of the machine platform through the connecting rod mechanism; the connecting rod mechanism comprises a connecting rod and a gear motor, the gear motor is fixedly arranged on the front side of the machine table, a secondary belt pulley II is fixedly connected to the front end of an input shaft of the gear motor, and the primary belt pulley I and the secondary belt pulley II are in transmission connection through a belt II; the upper end of an output shaft of the gear motor is fixedly connected with one end of a first connecting rod seat, a second connecting rod seat is fixedly connected to the front side surface of one end of the swing workbench, and two ends of the connecting rod are respectively connected with the other end of the first connecting rod seat and the second connecting rod seat in a rotating mode through vertical pin shafts.
2. A ball grinder according to claim 1, wherein: the other end of the first connecting rod seat is provided with a kidney-shaped hole, a screw is adjustably arranged in the kidney-shaped hole, and the top of the screw is connected with the vertical pin shaft.
3. A ball grinder according to claim 1, wherein: and a frequency converter matched with the gear motor is also arranged on the machine.
4. A ball grinder according to claim 1, wherein: the grinding head driving mechanism comprises a motor II and a spindle seat II, the spindle seat II is symmetrically arranged at the left end and the right end of the swing workbench, the motor II is respectively fixed at the top of the spindle seat II, the two ends of the spindle II are rotatably arranged on the spindle seat II, a main belt pulley II is fixedly connected to an output shaft of the motor II, a secondary belt pulley III is fixedly connected to one end of the spindle II, the grinding head is fixedly connected to the other end of the spindle II, and the main belt pulley II and the secondary belt pulley III are in transmission connection through a belt III.
5. A ball grinder as defined in claim 4, wherein: the adjusting mechanism comprises an adjusting screw, sliding seats are respectively arranged on the top surfaces of the left end and the right end of the swing workbench in a sliding fit mode, the two sliding seats can move relatively or oppositely, the second spindle seat is fixed on the top surface of the corresponding sliding seat, a support seat is respectively and fixedly arranged on the front side surface or the rear side surface of the swing workbench corresponding to the sliding seat, a pushing block is arranged on the sliding seat corresponding to the support seat, the adjusting screw is in threaded fit with and penetrates through the support seat, the end portions of the adjusting screw are connected with the pushing blocks, a handle is arranged at the other end of the adjusting screw, and the adjusting screw is used for pushing or pulling the sliding seat to move.
6. A ball grinder as defined in claim 5, wherein: dovetail-shaped lugs are respectively arranged on the top surfaces of the left end and the right end of the swinging workbench, dovetail grooves are arranged on the bottom surfaces of the sliding seats, and the dovetail grooves are slidably assembled on the dovetail-shaped lugs.
7. A ball grinder according to claim 1, wherein: the grinding head can be replaced by a valve seat matched with the sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910937611.1A CN110549199B (en) | 2019-09-30 | Ball grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910937611.1A CN110549199B (en) | 2019-09-30 | Ball grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110549199A CN110549199A (en) | 2019-12-10 |
| CN110549199B true CN110549199B (en) | 2024-05-10 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1480776A (en) * | 1973-09-28 | 1977-07-27 | Akahane S | Complete spherical surface polishing device and method producing concave and convex lenses |
| CH623505A5 (en) * | 1976-07-30 | 1981-06-15 | Metzeler Schaum Gmbh | |
| JPH0679614A (en) * | 1992-07-29 | 1994-03-22 | Yutaka Koki Kk | Spherical surface honing method |
| CN201089104Y (en) * | 2007-10-10 | 2008-07-23 | 扬州锻压机床集团有限公司 | Bulb grinder |
| CN201140351Y (en) * | 2008-01-17 | 2008-10-29 | 虞国强 | Tool rest angle oscillating device |
| CN201231438Y (en) * | 2008-08-08 | 2009-05-06 | 贵州西南工具(集团)有限公司 | Rotary oscillating device for spherical surface grinding device |
| CN104191350A (en) * | 2014-08-15 | 2014-12-10 | 球豹阀门有限公司 | Automatic ball grinding machine |
| JP2015229214A (en) * | 2014-06-05 | 2015-12-21 | 株式会社村谷機械製作所 | Honing processing device |
| CN105729303A (en) * | 2016-04-08 | 2016-07-06 | 无锡天任电子有限公司 | Driving device for swinging grinding head |
| CN106181673A (en) * | 2016-08-20 | 2016-12-07 | 无锡鹰贝精密轴承有限公司 | Big joint ball process for machining |
| CN107225497A (en) * | 2017-07-03 | 2017-10-03 | 永嘉通球阀门有限公司 | Spheroid autogenous mill |
| CN108500775A (en) * | 2018-05-29 | 2018-09-07 | 天津祥嘉流体控制系统有限公司 | Grinder for ball for ball valve attrition process |
| CN210588594U (en) * | 2019-09-30 | 2020-05-22 | 无锡凯尔克仪表阀门有限公司 | Ball grinding machine |
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1480776A (en) * | 1973-09-28 | 1977-07-27 | Akahane S | Complete spherical surface polishing device and method producing concave and convex lenses |
| CH623505A5 (en) * | 1976-07-30 | 1981-06-15 | Metzeler Schaum Gmbh | |
| JPH0679614A (en) * | 1992-07-29 | 1994-03-22 | Yutaka Koki Kk | Spherical surface honing method |
| CN201089104Y (en) * | 2007-10-10 | 2008-07-23 | 扬州锻压机床集团有限公司 | Bulb grinder |
| CN201140351Y (en) * | 2008-01-17 | 2008-10-29 | 虞国强 | Tool rest angle oscillating device |
| CN201231438Y (en) * | 2008-08-08 | 2009-05-06 | 贵州西南工具(集团)有限公司 | Rotary oscillating device for spherical surface grinding device |
| JP2015229214A (en) * | 2014-06-05 | 2015-12-21 | 株式会社村谷機械製作所 | Honing processing device |
| CN104191350A (en) * | 2014-08-15 | 2014-12-10 | 球豹阀门有限公司 | Automatic ball grinding machine |
| CN105729303A (en) * | 2016-04-08 | 2016-07-06 | 无锡天任电子有限公司 | Driving device for swinging grinding head |
| CN106181673A (en) * | 2016-08-20 | 2016-12-07 | 无锡鹰贝精密轴承有限公司 | Big joint ball process for machining |
| CN107225497A (en) * | 2017-07-03 | 2017-10-03 | 永嘉通球阀门有限公司 | Spheroid autogenous mill |
| CN108500775A (en) * | 2018-05-29 | 2018-09-07 | 天津祥嘉流体控制系统有限公司 | Grinder for ball for ball valve attrition process |
| CN210588594U (en) * | 2019-09-30 | 2020-05-22 | 无锡凯尔克仪表阀门有限公司 | Ball grinding machine |
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| 球阀球体研磨装置改进;赖海瑜;杨志中;;阀门;20060425(02);全文 * |
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