CN110948299A - Control device of coreless grinding machine - Google Patents
Control device of coreless grinding machine Download PDFInfo
- Publication number
- CN110948299A CN110948299A CN201911331946.5A CN201911331946A CN110948299A CN 110948299 A CN110948299 A CN 110948299A CN 201911331946 A CN201911331946 A CN 201911331946A CN 110948299 A CN110948299 A CN 110948299A
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- Prior art keywords
- control
- rod
- cylinder
- fixed
- bracket
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- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Images
Classifications
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
- B24B5/22—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work for grinding cylindrical surfaces, e.g. on bolts
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
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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
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a control device of a coreless grinding machine, which comprises a coreless grinding machine body, wherein the coreless grinding machine body is provided with: a base; a power box; a threaded rod; a control lever; further comprising: a support structure fixed with the control rod; the shell of the first air cylinder is hinged with the base, the connecting rod is hinged with the support structure, and the first air cylinder can drive the control rod to rotate through the support structure; the shell of the second cylinder is fixed with the base, when the control rod moves downwards and rotates for an angle, the second cylinder can touch the connecting rod of the second cylinder, and the second cylinder can buffer the descending speed of the control rod, so that the movable grinding wheel can be controlled to roughly polish the linear bearing shell; the shell of the control valve is fixed with the base, and the control valve is provided with an air inlet, a first control port and a second control port; the shell of the third cylinder is fixed with the base, and the third cylinder is communicated with the first control port and the second control port of the control valve; the invention has the advantages of simple structure, low cost, convenient and safe operation and high working efficiency.
Description
Technical Field
The invention relates to a control device of a coreless grinding machine.
Background
The coreless grinding machine can be used for polishing the outer circle of a circular part, the outer circle of a housing of the linear bearing needs to be polished in the machining process of the linear bearing, in the prior art, one coreless grinding machine is controlled by one person, the operation is completed by manually operating an operating rod of the coreless grinding machine, and the working efficiency is lower.
Disclosure of Invention
According to the defects, the invention provides the control device of the coreless grinding machine, which can modify the coreless grinding machine into equipment with higher automation degree, greatly improves the performance of the equipment, reduces the cost and improves the efficiency.
The technical scheme of the invention is as follows:
the utility model provides a controlling means of centreless grinder, includes centreless grinder body, and it is provided with:
a base, on which a positioning grinding wheel is mounted;
the power box is used for installing a movable grinding wheel;
one end of the threaded rod is fixed with the support through a bearing, the support is fixed with the base, and the other end of the threaded rod can control the movement amount of the movable grinding wheel;
the control rod is fixed with the threaded rod, and the rotating angle of the threaded rod can be controlled by rotating the control rod, so that the distance between the movable grinding wheel and the positioning grinding wheel can be controlled;
the technical schemes are the prior art, and the invention adds the following technical schemes:
further comprising:
a support structure fixed with the control rod;
the shell of the first air cylinder is hinged with the base, the connecting rod is hinged with the support structure, and the first air cylinder can drive the control rod to rotate through the support structure;
the shell of the second cylinder is fixed with the base, when the control rod moves downwards and rotates for an angle, the second cylinder can touch the connecting rod of the second cylinder, and the second cylinder can buffer the descending speed of the control rod, so that the movable grinding wheel can be controlled to roughly polish the linear bearing shell;
the shell of the control valve is fixed with the base, and the control valve is provided with an air inlet, a first control port and a second control port;
the shell of the third cylinder is fixed with the base, and the third cylinder is communicated with the first control port and the second control port of the control valve;
when the control rod further moves and rotates for an angle, the control rod can be touched, the reset pressure spring of the control rod can further buffer the descending speed of the control rod, so that the movable grinding wheel can be controlled to finish the fine grinding of the linear bearing shell, meanwhile, the connecting rod of the third air cylinder starts to stretch, after a period of time, the connecting rod touches the trigger switch, the trigger switch is connected with the controller, the controller controls the first air cylinder and the second air cylinder to reset, the control rod automatically resets, the control valve resets under the control of the reset pressure spring to drive the third air cylinder to reset, and the outer circle grinding of the linear bearing shell is completed.
It should be noted that the controller can control the solenoid valves of the first cylinder and the second cylinder respectively, and finally control the actions of the first cylinder and the second cylinder, and the controller can automatically complete the actions after being opened by the starting switch.
The third cylinder is used for timing purposes in the present invention.
Preferably, the scaffold structure comprises:
the first end point of the first bracket is fixed with the threaded rod;
the first end point of the second bracket is fixed with the control rod and is away from the threaded rod by a certain distance, the second end point of the second bracket is fixed with the second end point of the first bracket, and the first bracket, the second bracket and one section of the control rod form a triangular structure;
and the connecting rod of the first cylinder is hinged with the second endpoint of the first bracket and the second endpoint of the second bracket.
Preferably, the control valve includes:
the shell of the control valve is provided with a first air outlet, a second air outlet, the air inlet, the first control port and the second control port;
the piston rod is provided with an upper piston, a middle piston and a lower piston, the piston rod is fixed with the control rod, and the reset pressure spring is positioned between the lower piston and the bottom of the control valve shell;
in a normal state, the reset pressure spring stretches, and airflow can be output from the air inlet through the first control port, the third cylinder, the second control port and the second air outlet;
when the control rod is pressed down, airflow is output from the air inlet through the second control port, the third air cylinder, the first control port and the first air outlet.
The control valve used in the invention is a mechanical valve, and the safety performance can be improved, the reliability can be improved and the electric energy can be saved without using the electromagnetic valve through the refitting of the electromagnetic valve.
The invention has the advantages of simple structure, low cost, convenient and safe operation and high working efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the structure of the movable grinding wheel of the invention.
Fig. 3 is a schematic diagram of a normal structure of the control valve of the present invention.
Fig. 4 is a schematic view of the pressurized structure of the control valve of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings in which:
as shown in fig. 2, a control device of a coreless grinding machine includes a coreless grinding machine body, which is provided with:
a base 6 on which a positioning grinding wheel 15 is mounted;
a power box 1 for mounting a movable grinding wheel 14;
one end of the threaded rod 13 is fixed with the bracket through a bearing, the bracket is fixed with the base 6, and the other end of the threaded rod 13 can control the movement amount of the movable grinding wheel 14;
a control lever 12 fixed to the threaded rod 13, the control lever 12 being rotatable to control a rotation angle of the threaded rod 13, thereby controlling a distance between the movable grinding wheel 14 and the positioning grinding wheel 15; the support block 16 can support the linear bearing housing 7;
as shown in fig. 1, the coreless grinding machine further includes:
a bracket structure fixed to the lever 12;
the shell of the first air cylinder 21 is hinged with the base 6, the connecting rod is hinged with the support structure, and the first air cylinder 21 can drive the control rod 12 to rotate through the support structure;
the shell of the second air cylinder 4 is fixed with the base 6, when the control rod 12 moves downwards and rotates for an angle, the second air cylinder 4 can touch the connecting rod of the second air cylinder 4, and the second air cylinder 4 can buffer the descending speed of the control rod 12, so that the movable grinding wheel 14 can be controlled to roughly grind the linear bearing shell 7;
a control valve 5, the shell of which is fixed with the base 6, the control valve 5 is provided with an air inlet 51 and a first control port 52 and a second control port 53;
a third cylinder 32 having a housing fixed to the base 6, the third cylinder 32 communicating the first control port 52 and the second control port 53 of the control valve 5;
when the control rod 12 further rotates by an angle, the control rod 50 of the control valve 5 can be touched, the return pressure spring of the control rod can further buffer the descending speed of the control rod 12, so that the movable grinding wheel 14 can be controlled to finish the fine grinding of the linear bearing shell 7, meanwhile, the connecting rod of the third air cylinder 32 starts to stretch, after a period of time, the connecting rod touches the trigger switch 31, the trigger switch 31 is connected with the controller, the controller controls the first air cylinder 21 and the second air cylinder 4 to return, the control rod 12 automatically returns, the control valve 5 returns under the control of the return pressure spring 56 to drive the third air cylinder 32 to return, and the outer grinding of the linear bearing shell 7 is completed.
The controller can select a single chip microcomputer as a control chip to complete the control of each action.
The support structure includes:
a first bracket 22, a first end point of which is fixed with the threaded rod 13;
a first end of the second bracket 23 is fixed with the control rod 12 and is away from the threaded rod 13 by a certain distance, a second end is fixed with a second end of the first bracket 22, and the first bracket 22, the second bracket 23 and a section of the control rod 12 form a triangular structure;
and a first cylinder 21 whose link is hinged with a second end point of the first bracket 22 and a second end point of the second bracket 23.
The control valve 5 includes:
a casing of the control valve, which is provided with a first air outlet 55, a second air outlet 54, an air inlet 51, a first control port 52 and a second control port 53;
the piston rod is provided with an upper piston, a middle piston and a lower piston, the piston rod is fixed with the control rod 50, and the reset pressure spring 56 is positioned between the lower piston and the bottom of the control valve shell;
in a normal state, the return pressure spring 56 stretches, and air flow can be output from the air inlet 51 through the first control port 52, the third air cylinder 32, the second control port 53 and the second air outlet 54;
when the control lever 50 is depressed, an air flow is output from the intake port 51 through the second control port 53, the third cylinder 32, the first control port 52, and the first outlet port 55.
Claims (3)
1. The utility model provides a controlling means of centreless grinder, includes centreless grinder body, and it is provided with:
a base (6) on which a positioning grinding wheel (15) is mounted;
a power box (1) for mounting a movable grinding wheel (14);
one end of the threaded rod (13) is fixed with the bracket through a bearing, the bracket is fixed with the base (6), and the other end of the threaded rod (13) can control the movement amount of the movable grinding wheel (14);
a control lever (12) fixed to the threaded rod (13), the rotation angle of the threaded rod (13) being controllable by rotating the control lever (12), thereby controlling the distance between the movable grinding wheel (14) and the positioning grinding wheel (15);
it is characterized by also comprising:
a support structure fixed to the lever (12);
the shell of the first air cylinder (21) is hinged with the base (6), the connecting rod is hinged with the support structure, and the first air cylinder (21) can drive the control rod (12) to rotate through the support structure;
the shell of the second cylinder (4) is fixed with the base (6), when the control rod (12) moves downwards and rotates for an angle, the second cylinder (4) can touch the connecting rod of the second cylinder (4), and the second cylinder (4) can buffer the descending speed of the control rod (12), so that the movable grinding wheel (14) can be controlled to roughly polish the straight-line bearing shell (7);
the control valve (5), its body is fixed with base (6), the control valve (5) has an air inlet (51) and first control port (52) and second control port (53);
a third cylinder (32) having a housing fixed to the base (6), the third cylinder (32) communicating with the first control port (52) and the second control port (53) of the control valve (5);
when the control rod (12) further rotates by an angle, the control rod (50) of the control valve (5) can be touched, the reduction pressure spring of the control rod can further buffer the descending speed of the control rod (12), so that the movable grinding wheel (14) can be controlled to finish polishing of the linear bearing shell (7), meanwhile, the connecting rod of the third air cylinder (32) begins to stretch, after a period of time, the connecting rod touches the trigger switch (31), the trigger switch (31) is connected with the controller, the controller controls the first air cylinder (21) and the second air cylinder (4) to reset, the control rod (12) automatically resets, the control valve (5) resets under the control of the reduction pressure spring (56), the third air cylinder (32) is driven to reset, and the outer circle grinding of the linear bearing shell (7) is completed.
2. The control apparatus for a coreless grinding machine as recited in claim 1, wherein said support structure includes:
a first bracket (22) with a first end point fixed with the threaded rod (13);
a first end point of the second bracket (23) is fixed with the control rod (12) and is away from the threaded rod (13) by a certain distance, a second end point of the second bracket is fixed with a second end point of the first bracket (22), and the first bracket (22), the second bracket (23) and one section of the control rod (12) form a triangular structure;
and the connecting rod of the first cylinder (21) is hinged with the second end point of the first bracket (22) and the second end point of the second bracket (23).
3. The control device of a coreless grinding machine as claimed in claim 1, wherein said control valve (5) includes:
the shell of the control valve is provided with a first air outlet (55), a second air outlet (54), the air inlet (51), the first control port (52) and the second control port (53);
the piston rod is provided with an upper piston, a middle piston and a lower piston, the piston rod is fixed with the control rod (50), and the reset pressure spring (56) is positioned between the lower piston and the bottom of the control valve shell;
in a normal state, the reset pressure spring (56) stretches, and air flow can be output from the air inlet (51) through the first control port (52), the third air cylinder (32), the second control port (53) and the second air outlet (54);
when the control lever (50) is depressed, an air flow is output from the air inlet port (51) through the second control port (53), the third cylinder (32), the first control port (52), and the first air outlet port (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331946.5A CN110948299B (en) | 2019-12-21 | 2019-12-21 | Control device of coreless grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331946.5A CN110948299B (en) | 2019-12-21 | 2019-12-21 | Control device of coreless grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN110948299A true CN110948299A (en) | 2020-04-03 |
| CN110948299B CN110948299B (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911331946.5A Active CN110948299B (en) | 2019-12-21 | 2019-12-21 | Control device of coreless grinding machine |
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| Country | Link |
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| CN (1) | CN110948299B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB689049A (en) * | 1950-03-24 | 1953-03-18 | Jones & Shipman A A Ltd | Improvements relating to grinding machines |
| GB1200317A (en) * | 1967-05-17 | 1970-07-29 | Roulements Soc Nouvelle | A grinding machine equipped with a diamond-type truer-up and a device to compensate for the reduction in size of the grinding wheel resulting from trueing |
| US20060073765A1 (en) * | 2004-10-01 | 2006-04-06 | Noritake Co., Limited | Grinding process and apparatus with arrangement for grinding with constant grinding load |
| CN202292307U (en) * | 2011-10-31 | 2012-07-04 | 福建新世纪电子材料有限公司 | Automatic feeding device of drill point no-core grinding machine |
| CN203542304U (en) * | 2013-10-30 | 2014-04-16 | 孙建军 | Polishing device for inclined surfaces of straight screwdriver heads |
| CN103894894A (en) * | 2014-04-11 | 2014-07-02 | 上海师范大学 | Circular machining system of centerless grinding machine for bearing machining |
| CN205021332U (en) * | 2015-09-17 | 2016-02-10 | 南京华恩轴承制造有限公司 | Centerless grinder size processing remote control device |
| WO2016049957A1 (en) * | 2014-09-30 | 2016-04-07 | 广东省自动化研究所 | Multi-angular automatic polishing system and polishing method thereof |
| CN206764478U (en) * | 2017-06-15 | 2017-12-19 | 丽水市精锐轴承制造有限公司 | A kind of car copper band internal diameter sanding apparatus |
| CN108356614A (en) * | 2018-04-25 | 2018-08-03 | 三门峡中测量仪有限公司 | A kind of excircle of workpiece grinds contactless monitoring device and method |
| CN209665119U (en) * | 2019-03-19 | 2019-11-22 | 无锡市晓雨精工机械有限公司 | A kind of grinding machine grinding wheel repairing mechanism |
| CN212145670U (en) * | 2019-12-21 | 2020-12-15 | 丽水市精锐轴承制造有限公司 | Control device of coreless grinding machine |
-
2019
- 2019-12-21 CN CN201911331946.5A patent/CN110948299B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB689049A (en) * | 1950-03-24 | 1953-03-18 | Jones & Shipman A A Ltd | Improvements relating to grinding machines |
| GB1200317A (en) * | 1967-05-17 | 1970-07-29 | Roulements Soc Nouvelle | A grinding machine equipped with a diamond-type truer-up and a device to compensate for the reduction in size of the grinding wheel resulting from trueing |
| US20060073765A1 (en) * | 2004-10-01 | 2006-04-06 | Noritake Co., Limited | Grinding process and apparatus with arrangement for grinding with constant grinding load |
| CN202292307U (en) * | 2011-10-31 | 2012-07-04 | 福建新世纪电子材料有限公司 | Automatic feeding device of drill point no-core grinding machine |
| CN203542304U (en) * | 2013-10-30 | 2014-04-16 | 孙建军 | Polishing device for inclined surfaces of straight screwdriver heads |
| CN103894894A (en) * | 2014-04-11 | 2014-07-02 | 上海师范大学 | Circular machining system of centerless grinding machine for bearing machining |
| WO2016049957A1 (en) * | 2014-09-30 | 2016-04-07 | 广东省自动化研究所 | Multi-angular automatic polishing system and polishing method thereof |
| CN205021332U (en) * | 2015-09-17 | 2016-02-10 | 南京华恩轴承制造有限公司 | Centerless grinder size processing remote control device |
| CN206764478U (en) * | 2017-06-15 | 2017-12-19 | 丽水市精锐轴承制造有限公司 | A kind of car copper band internal diameter sanding apparatus |
| CN108356614A (en) * | 2018-04-25 | 2018-08-03 | 三门峡中测量仪有限公司 | A kind of excircle of workpiece grinds contactless monitoring device and method |
| CN209665119U (en) * | 2019-03-19 | 2019-11-22 | 无锡市晓雨精工机械有限公司 | A kind of grinding machine grinding wheel repairing mechanism |
| CN212145670U (en) * | 2019-12-21 | 2020-12-15 | 丽水市精锐轴承制造有限公司 | Control device of coreless grinding machine |
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| Publication number | Publication date |
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| CN110948299B (en) | 2024-05-14 |
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Effective date of registration: 20240415 Address after: No. 535 Jinqing Road, Nanmingshan Street, Liandu District, Lishui City, Zhejiang Province, 323010 Applicant after: ZHEJIANG KUNAI AUTOMATION TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 323000 No.699 Jiangnan Road, Lishui Economic Development Zone, Zhejiang Province Applicant before: LISHUI CITY JINGRUI BEARING MANUFACTURING Co.,Ltd. Country or region before: China |
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