CN115122241B - Grinding machine for detecting grinding wheel work starting position and detection method thereof - Google Patents
Grinding machine for detecting grinding wheel work starting position and detection method thereof Download PDFInfo
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- CN115122241B CN115122241B CN202210831517.XA CN202210831517A CN115122241B CN 115122241 B CN115122241 B CN 115122241B CN 202210831517 A CN202210831517 A CN 202210831517A CN 115122241 B CN115122241 B CN 115122241B
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- workpiece
- grinding wheel
- grinding
- distance
- ground
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- 238000001514 detection method Methods 0.000 title claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 25
- 238000003754 machining Methods 0.000 claims abstract description 13
- 238000000399 optical microscopy Methods 0.000 description 11
- 238000007792 addition Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- 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
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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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
- B24B5/02—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
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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
- B24B5/02—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
- B24B5/06—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 internally
- B24B5/10—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 internally involving a horizontal tool spindle
-
- 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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention provides a grinding machine for detecting the starting position of grinding wheel work and a detection method thereof. The grinding wheel solves the problems that the existing grinding wheel cannot grind before being in contact with a workpiece, and the machining efficiency is greatly reduced. According to the invention, the actual blank size of the workpiece is detected through the optical microscopic measuring instrument, the grinding wheel is fast moved to the initial grinding position of the workpiece, the grinding wheel is converted into the working position to grind the workpiece, the working distance of the grinding wheel is reduced, and the grinding efficiency of the workpiece is greatly improved.
Description
Technical Field
The invention relates to the technical field of grinding machines, in particular to a grinding machine for detecting the starting position of grinding wheel work and a detection method thereof.
Background
The grinding machine generally comprises main components such as a lathe bed of a basic part, a workbench, a clamping assembly for clamping a workpiece, a grinding wheel assembly for mounting a grinding wheel, a feeding mechanism for controlling the workpiece clamping assembly to translate along the X direction, a feeding mechanism for controlling the grinding wheel assembly to translate along the Y direction, and the like.
In the actual machining process, a workpiece is detected through a measuring head or an ultrasonic detection device, a preset position is set for a grinding wheel, a certain gap is reserved between the grinding wheel and the workpiece after the grinding wheel rapidly advances to the preset position when the workpiece is ground, at the moment, the grinding wheel rotates to be in working progress and slowly approaches to the workpiece until the grinding wheel is in contact with the workpiece for grinding, the grinding wheel cannot be in grinding before the working progress and the workpiece are in contact, and the machining efficiency is greatly reduced.
Disclosure of Invention
The device of the invention provides a grinding machine aiming at the existing situation;
the grinding machine comprises a body, a grinding wheel arranged on the body and a driving device for driving the grinding wheel to move close to or far away from a workpiece, and is characterized in that one side of the grinding wheel, which faces the workpiece, is a grinding side, one side of the workpiece, which faces the grinding wheel, is a ground side, an initial grinding position is arranged on the ground side, which is the position closest to the grinding side of the grinding wheel, of the workpiece before grinding, a measuring station is arranged on the body, the measuring station is the position where the initial grinding position of the largest blank workpiece is located, an optical microscopy instrument which synchronously moves along with the grinding wheel is further arranged on the body, the lens center of the optical microscopy instrument is located between the grinding side of the grinding wheel and the ground side of the workpiece, the optical microscopy instrument can move along with the grinding wheel to the workpiece direction to enable the lens center of the optical microscopy instrument to be aligned with the measuring station, the distance deviation between the initial grinding position of the workpiece and the measuring station is measured, and the driving device can drive the grinding wheel to fast advance according to the distance deviation measured by the optical microscopy instrument to enable the grinding wheel to be attached to the initial grinding position of the target workpiece.
Preferably, when the machining surface of the workpiece is a plane, the grinding side is a grinding wheel side surface, and the optical microscopic measuring instrument detects a distance between an initial grinding position of the workpiece and the measuring station, and moves the grinding wheel to the initial grinding position of the workpiece according to the distance to perform grinding machining on the workpiece.
Preferably, when the machining surface of the workpiece is an outer circle, the grinding side is the outer circumferential surface of the grinding wheel, the optical microscopy measuring instrument detects the distance between the initial grinding position of the workpiece and the measuring station, the grinding wheel is moved to the initial grinding position of the workpiece according to the distance, the workpiece is ground, and the distance between the lens center of the optical microscopy measuring instrument and the center of the grinding wheel is larger than the radius of the grinding wheel.
Preferably, when the machining surface of the workpiece is an inner circle, the grinding side is the outer circumferential surface of the grinding wheel, the optical microscopy measuring instrument detects the distance between the initial grinding position of the workpiece and the measuring station, the grinding wheel is moved to the initial grinding position of the workpiece according to the distance, the workpiece is ground, and the distance between the lens center of the optical microscopy measuring instrument and the center of the grinding wheel is larger than the radius of the grinding wheel.
The detection method for detecting the grinding wheel work starting position by using the grinding machine comprises the following steps:
step one: the grinding wheel moves from the original position to the workpiece direction until the center of the lens of the optical microscopic measuring instrument is aligned with the measuring station;
step two: measuring the distance deviation between the initial grinding position of the workpiece and the measuring station by an optical microscopic measuring instrument to obtain a distance deviation L1;
step three: manually adjusting the grinding wheel until the grinding wheel contacts with an initial grinding position of the workpiece, and recording the center coordinate X1 of the grinding wheel;
step four: grinding the workpiece;
step five: changing the workpiece, repeating the first step and the second step to obtain a distance deviation value L2 of the corresponding workpiece, and obtaining a center coordinate X2=X1+L2-L1 of the grinding wheel according to the distance deviation value L2;
step six: and (3) moving the grinding wheel by adopting the corrected center coordinate X2 of the grinding wheel and grinding the workpiece.
Compared with the prior art, the invention has the following beneficial effects: the actual blank size of the workpiece is detected through the optical microscopic measuring instrument, the grinding wheel is fast forwarded to the initial grinding position of the workpiece, the grinding wheel is converted into working force to grind the workpiece, the working distance of the grinding wheel is reduced, and the grinding efficiency of the workpiece is greatly improved.
Drawings
FIG. 1 is an overall structural view of the present invention;
FIG. 2 is a schematic view of the structure when the working surface is a plane;
FIG. 3 is a schematic view of the structure of the machined surface with the outer circle;
fig. 4 is a schematic view of the structure when the working surface is an inner circle.
The marks in the figure: 1. a body; 2. grinding wheel; 3. grinding the side; 4. a ground side; 5. an optical microscopy measuring instrument; 6. a measuring station; 7. a workpiece; 8. maximum thickness; 9. maximum outer diameter; 10. minimum inside diameter; 11. a driving device; 12. and (5) initial grinding position.
Detailed Description
The invention is further described below with reference to embodiments shown in the drawings in which:
example 1
As shown in fig. 1-2, a grinding machine comprises a body 1, a grinding wheel 2 arranged on the body 1 and a driving device 11 for driving the grinding wheel 2 to move close to or far away from a workpiece 7, and is characterized in that one side of the grinding wheel 2 facing the workpiece 7 is a grinding side 3, one side of the workpiece 7 facing the grinding wheel 2 is a ground side 4, an initial grinding position 12 is arranged on the ground side 4, the initial grinding position 12 is the position closest to the grinding side 3 of the grinding wheel 2 on the ground side 4 before the workpiece 7 is ground, a measuring station 6 is arranged on the body 1, the measuring station 6 is the position where the initial grinding position 12 of the largest blank workpiece 7 is located, an optical micro-measuring instrument 5 which moves synchronously with the grinding wheel 2 is arranged on the body 1, the lens center of the optical micro-measuring instrument 5 is positioned between the grinding side 3 of the grinding wheel 2 and the ground side 4 of the workpiece 7, the optical micro-measuring instrument 5 can move along the grinding wheel 2 to the direction of the workpiece 7 so that the center of the optical micro-measuring instrument can be aligned with the measuring station 6 and measure the distance between the initial grinding position 12 of the workpiece 7 and the measuring station 6, and the driving device 11 can drive the optical micro-measuring instrument to enable the initial grinding position 12 to be fast moved along the target micro-measuring distance of the workpiece 2. The actual blank size of the workpiece 7 is detected through the optical microscopic measuring instrument 5, the grinding wheel 2 is fast moved to the initial grinding position 12 of the workpiece 7, the grinding wheel 2 is changed into working to grind the workpiece 7, the working distance of the grinding wheel 2 is reduced, the grinding efficiency of the workpiece 7 is greatly improved, and the detection range of the optical microscopic measuring instrument 5 is larger than the distance deviation between the initial grinding position 12 of the workpiece 7 and the measuring station 6. When the machined surface of the workpiece 7 is planar, the optical microscopy instrument 5 detects a maximum value 8 of the thickness of the workpiece 7, and moves the grinding wheel 2 to an initial grinding position 12 of the workpiece 7 based on the maximum value 8 of the thickness, and performs grinding machining on the workpiece 7. Further increasing the distance of fast forward of the grinding wheel 2, the grinding wheel 2 is turned into working when the grinding wheel 2 is in contact with the initial grinding position 12 of the workpiece 7, and simultaneously grinding the workpiece 7.
The invention relates to a method for detecting the offset of a grinding wheel 2 processed by a grinding machine, which comprises the following steps:
step one: the grinding wheel 2 moves from the original position to the direction of the workpiece 7 until the center of the lens of the optical microscopic measuring instrument 5 is aligned with the measuring station 6;
step two: measuring the distance deviation between the initial grinding position 12 of the workpiece 7 and the measuring station 6 through the optical microscopic measuring instrument 5 to obtain a distance deviation L1;
step three: manually adjusting the grinding wheel 2 until the grinding wheel 2 contacts with an initial grinding position 12 of the workpiece 7, and recording the central coordinate X1 of the grinding wheel 2; namely, the work piece grinding wheel working starting position of the machining distance deviation L1 is X1;
step four: grinding the workpiece 7;
step five: changing the workpiece 7, repeating the first step and the second step to obtain a corresponding workpiece distance deviation value L2, and obtaining a center coordinate X2=X1+L2-L1 of the grinding wheel 2 according to the distance deviation value L2; namely, the work piece grinding wheel working starting position of the machining distance deviation L2 is X2;
step six: and (3) moving the grinding wheel 2 by adopting the corrected center coordinate X2 of the grinding wheel 2 and grinding the workpiece 7.
Example 2
The difference from example 1 is that: as shown in fig. 3, when the machined surface of the workpiece 7 is an outer circle, the grinding side 3 is the outer circumferential surface of the grinding wheel 2, the initial grinding position 12 is the position of the maximum outer diameter 9 on the workpiece 7, and the grinding wheel 2 is moved to the initial grinding position 12 of the workpiece 7 according to the distance between the position of the maximum outer diameter 9 of the workpiece 7 and the measuring station 6, and the workpiece 7 is ground.
Example 3
The difference from example 1 is that: as shown in fig. 4, when the machined surface of the workpiece 7 is an inner circle, the grinding side 3 is the outer circumferential surface of the grinding wheel 2, the initial grinding position 12 is the position of the minimum inner diameter 10 on the workpiece 7, and the grinding wheel 2 is moved to the initial grinding position 12 of the workpiece 7 according to the distance between the position of the minimum inner diameter 10 of the workpiece 7 and the measuring station 6, and the workpiece 7 is ground.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (1)
1. The detection method of the grinding machine for detecting the grinding wheel work starting position is characterized in that the grinding machine comprises a body (1), a grinding wheel (2) arranged on the body (1) and a driving device (11) for driving the grinding wheel (2) to move, one side of the grinding wheel (2) facing a workpiece (7) is a grinding side (3), one side of the workpiece (7) facing the grinding wheel (2) is a ground position, a measuring station (6) is arranged on the body (1), the measuring station (6) is the position where the largest blank workpiece (7) is ground, an optical micro-gauge (5) which moves along with the grinding wheel (2) and detects the difference between the size of the workpiece (7) and the size of the largest blank workpiece (7) is arranged on the body (1), the lens center of the optical micro-gauge (5) is positioned between the grinding side (3) of the grinding wheel (2) and the ground position of the workpiece (7), the optical micro-gauge (5) can move along the grinding wheel (2) to the direction of the workpiece (7) to the ground position where the largest blank workpiece (7) is ground, and the optical micro-gauge (5) can be abutted against the grinding wheel (7) by the driving device (11) in a fast-feeding mode through the measuring station;
when the machining surface of the workpiece (7) is a plane, the grinding side (3) is the side surface of the grinding wheel (2), the optical microscopic measuring instrument (5) detects the distance between the ground position of the workpiece (7) and the measuring station (6), and the grinding wheel (2) is moved to the ground position of the workpiece (7) according to the distance to grind the workpiece (7);
when the machining surface of the workpiece (7) is an outer circle, the grinding side (3) is the outer circumferential surface of the grinding wheel (2), the optical microscopic measuring instrument (5) detects the distance between the ground position of the workpiece (7) and the measuring station (6), the grinding wheel (2) is moved to the ground position of the workpiece (7) according to the distance, the workpiece (7) is ground, and the distance between the lens center of the optical microscopic measuring instrument (5) and the center of the grinding wheel (2) is larger than the radius of the grinding wheel (2);
when the machining surface of the workpiece (7) is an inner circle, the grinding side (3) is the outer circumferential surface of the grinding wheel (2), the optical microscopic measuring instrument (5) detects the distance between the ground position of the workpiece (7) and the measuring station (6), the grinding wheel (2) is moved to the ground position of the workpiece (7) according to the distance, the workpiece (7) is ground, and the distance between the lens center of the optical microscopic measuring instrument (5) and the center of the grinding wheel (2) is larger than the radius of the grinding wheel (2);
the detection method of the grinding machine for detecting the grinding wheel work starting position comprises the following steps:
step one: the grinding wheel (2) moves from the original position to the direction of the workpiece (7) until the center of the lens of the optical microscopic measuring instrument (5) is aligned with the measuring station (6);
step two: measuring the distance deviation between an initial grinding position (12) of the workpiece (7) and a measuring station (6) through an optical microscopic measuring instrument (5) to obtain a distance deviation L1;
step three: manually adjusting the grinding wheel (2) until the grinding wheel (2) contacts with an initial grinding position (12) of the workpiece (7), and recording the central coordinate X1 of the grinding wheel (2);
step four: grinding the workpiece (7);
step five: changing the workpiece (7), repeating the first step and the second step to obtain a corresponding workpiece distance deviation value L2, and obtaining a central coordinate X2=X1+L2-L1 of the grinding wheel (2) according to the distance deviation value L2;
step six: and (3) moving the grinding wheel (2) by adopting the corrected center coordinate X2 of the grinding wheel (2) and grinding the workpiece (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210831517.XA CN115122241B (en) | 2022-07-14 | 2022-07-14 | Grinding machine for detecting grinding wheel work starting position and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210831517.XA CN115122241B (en) | 2022-07-14 | 2022-07-14 | Grinding machine for detecting grinding wheel work starting position and detection method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115122241A CN115122241A (en) | 2022-09-30 |
| CN115122241B true CN115122241B (en) | 2023-11-24 |
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| CN202210831517.XA Active CN115122241B (en) | 2022-07-14 | 2022-07-14 | Grinding machine for detecting grinding wheel work starting position and detection method thereof |
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| CN102528614A (en) * | 2011-12-12 | 2012-07-04 | 潘旭华 | Control method of non-circular ground finish profile accuracy |
| CN203171343U (en) * | 2013-03-29 | 2013-09-04 | 南通市通州区五接豆豆编织袋厂 | Fast feed-to-working feed photoelectric conversion device of band sawing machine |
| CN108838772A (en) * | 2018-05-29 | 2018-11-20 | 宁波市鄞州大兴非标设备制造厂 | Shaft-like workpiece face grinding machine and its processing method |
| CN109333359A (en) * | 2018-11-07 | 2019-02-15 | 江苏南高智能装备创新中心有限公司 | A kind of device that control grinding machine is fixed a cutting tool |
| CN111659909A (en) * | 2020-05-14 | 2020-09-15 | 广东韶钢松山股份有限公司 | Bar chamfering machine and control method thereof |
| CN216399249U (en) * | 2021-12-16 | 2022-04-29 | 纳载智能科技(浙江)有限公司 | Five numerically control grinder fixed length detection mechanism |
| CN217751019U (en) * | 2022-07-14 | 2022-11-08 | 浙江亚微精密机床有限公司 | Grinding machine for detecting grinding wheel worker feeding start position |
-
2022
- 2022-07-14 CN CN202210831517.XA patent/CN115122241B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004345017A (en) * | 2003-05-22 | 2004-12-09 | Canon Inc | Method and device for grooving |
| CN102528614A (en) * | 2011-12-12 | 2012-07-04 | 潘旭华 | Control method of non-circular ground finish profile accuracy |
| CN203171343U (en) * | 2013-03-29 | 2013-09-04 | 南通市通州区五接豆豆编织袋厂 | Fast feed-to-working feed photoelectric conversion device of band sawing machine |
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| CN217751019U (en) * | 2022-07-14 | 2022-11-08 | 浙江亚微精密机床有限公司 | Grinding machine for detecting grinding wheel worker feeding start position |
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| Publication number | Publication date |
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| CN115122241A (en) | 2022-09-30 |
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Denomination of invention: A grinding machine and its detection method for detecting the starting position of grinding wheels Granted publication date: 20231124 Pledgee: Baiyang Sub Branch of Zhejiang Wuyi Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Yawei Precision Machine Tool Co.,Ltd. Registration number: Y2024980014185 |