CN114589557A - Calibration device for conical roller ball base surface grinding machine and method for correcting angle of guide wheel disc and zero position of grinding wheel of calibration device - Google Patents
Calibration device for conical roller ball base surface grinding machine and method for correcting angle of guide wheel disc and zero position of grinding wheel of calibration device Download PDFInfo
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- CN114589557A CN114589557A CN202210165267.0A CN202210165267A CN114589557A CN 114589557 A CN114589557 A CN 114589557A CN 202210165267 A CN202210165267 A CN 202210165267A CN 114589557 A CN114589557 A CN 114589557A
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- grinding wheel
- grinding
- guide wheel
- wheel
- dial indicator
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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
- B24B5/35—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
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to a calibration device for a conical roller ball datum plane grinding machine and a method for correcting the angle of a guide wheel disc and the zero position of a grinding wheel of the calibration device, wherein the calibration device takes the central line of one guide wheel disc and two guide wheel discs as the central axis, the grinding wheel arranged on the conical roller ball datum plane grinding machine is positioned on the central axis, rotates by an angle by taking the central axis as the starting point and moves relative to the guide wheel disc, and the guide wheel disc is ground and processed, and the angle is the angle of the guide wheel disc; the calibrating device comprises a zero block, the zero block is fixedly connected to a grinding machine for a sphere base surface of the conical roller, one side surface of the zero block is parallel to the central axis and is used as a measuring base surface, the grinding and measuring device further comprises a dial indicator, the dial indicator is mounted on a grinding wheel, a test head of the dial indicator abuts against the measuring base surface of the zero block, the dial indicator rotates along with the grinding wheel and moves relative to a guide wheel disc, and the test head slides on the measuring base surface of the zero block. The accuracy and consistency of the angles of the two guide wheel discs are guaranteed, the verticality of the roller and the grinding wheel in the grinding process can be guaranteed, and the product precision is improved.
Description
Technical Field
The invention relates to a tapered roller processing technology, in particular to a calibration device for a tapered roller ball base surface grinding machine and a method for correcting the angle of a guide wheel disc and the zero position of a grinding wheel of the calibration device.
Background
The grinding machine for the spherical base surface of the conical roller is provided with a graduated scale, the rotation angle of the grinding wheel is determined through the graduated scale so as to determine the angle of the guide wheel disc, and the guide wheel disc is polished; however, the existing graduated scale can only be accurate to about 0.25 degrees, and the high-precision requirement of the roller cannot be met.
Disclosure of Invention
In order to solve the problems, the invention provides a calibration device for a conical roller ball base surface grinding machine and a method for correcting the angle of a guide wheel disc and the zero position of a grinding wheel of the calibration device.
The technical scheme of the invention is as follows:
a calibration device for a conical roller ball datum plane grinding machine is characterized in that a central line between one guide wheel disc and two guide wheel discs is used as a central axis, a grinding wheel arranged on the conical roller ball datum plane grinding machine is positioned on the central axis, rotates for an angle by taking the central axis as a starting point and moves relative to the guide wheel discs to grind the guide wheel discs, and the angle is the angle of the guide wheel discs; the grinding measuring device comprises a grinding wheel, a grinding wheel disc, a guide wheel disc, a calibration device and a dial indicator, wherein the calibration device comprises a zero block, the zero block is fixedly connected to a grinding machine of a ball base surface of the conical roller, one side surface of the zero block is parallel to a central axis and serves as a measuring base surface, the dial indicator is installed on the grinding wheel, a test head of the dial indicator abuts against the measuring base surface of the zero block, the dial indicator rotates along with the grinding wheel and moves relative to the guide wheel disc, and the test head slides on the measuring base surface of the zero block.
The driving mechanism of the grinding wheel is formed by connecting a servo motor, a screw rod and a nut; the screw rod is controlled by the servo motor to rotate a plurality of threads accurately, so that the moving distance of the grinding wheel can be calculated accurately.
A method for calibrating the angle of a guide wheel disc of a conical roller ball datum plane grinding machine is disclosed, wherein the angle of the guide wheel disc is phi, and the method comprises the following steps: adopt above-mentioned calibrating device to carry out calibration to guide pulley dish angle, specifically as follows:
1) the grinding wheel is driven to rotate by an angle phi' with the central axis as a starting point, and the reading of the dial indicator is recorded as x 1.
2) The wheel was driven to move a distance L to the wheel side, at which time the dial indicator reading was recorded as x 2.
3) The wheel is moved L in the direction of the wheel disc with a lateral displacement of x.
x actual = x1-x 2; x theory = tan Φ × L.
4) If x is actually = x theory, then Φ' = Φ; if x is actually larger than x theory, phi' is larger than phi, namely the rotation angle is too large; if x is actually < x theory, then φ' < φ, i.e., the rotation angle is too small.
5) When x is actually > x theory, the wheel is rotated, phi' is increased, and steps 1), 2), 3), 4) are repeated until either x is actually < x physical x is actually = x theory.
6) When x is actually < x theory, the wheel is rotated, reduced by Φ', and steps 1), 2), 3), 4) are repeated until either x is actually < x physical x is actually = x theory.
A zero calibration method for a grinding wheel of a grinding machine with a conical roller spherical datum plane comprises the following steps: adopt above-mentioned calibrating device to calibrate the emery wheel, specifically as follows:
1) firstly, the grinding wheel is rotated to a zero position, then the grinding wheel is driven to move towards the side of the guide wheel disc, and the reading change of the dial indicator is observed to be delta x in the moving process of the grinding wheel.
2) If Δ x =0, i.e. the grinding wheel is in the zero position, and if Δ x ≠ 0, i.e. the grinding wheel is not in the zero position.
3) When Δ x ≠ 0, 1), 2) are repeated until Δ x = 0.
5. A zero calibration method for a grinding wheel of a grinding machine with a conical roller spherical datum plane comprises the following steps: adopt above-mentioned calibrating device to carry out the calibration to the emery wheel, specifically as follows:
1) the grinding wheel is first turned to a zero position, at which time the dial indicator reading is recorded as x 1.
2) The grinding wheel is then driven L towards the idler plate side, at which time the dial gauge reading is recorded as x 2.
3) If x1= x2, the grinding wheel is located at the zero position; if x1 is more than x2, the grinding wheel is deviated to the right side; if x1 < x2, the grinding wheel is deviated to the left.
4) If x1 > x2, the wheel is left-handed and steps 1), 2), 3) are repeated until x1= x 2.
5) If x1 > x2, the wheel is rotated right and steps 1), 2), 3) are repeated until x1= x 2.
The invention has the advantages that the design is ingenious, the cosine theorem of a right-angled triangle is utilized, the moving distance of the grinding wheel is converted into the transverse displacement of the grinding wheel, and the precision of the angle of the guide wheel disc and the precision of the zero position of the grinding wheel are improved by accurately measuring through the dial indicator; the accuracy and consistency of the angles of the two guide wheel discs are guaranteed, the verticality of the roller and the grinding wheel in the grinding process can be guaranteed, and the product precision is improved.
Drawings
FIG. 1 is a schematic view showing the installation of a calibration device for a conical roller ball-base grinder.
FIG. 2 is a schematic view of idler plate angle calibration.
Fig. 3 is a diagram of the grinding wheel movement locus in fig. 2.
FIG. 4 is a schematic view of the zero calibration of the grinding wheel.
Fig. 5 is a diagram of the grinding wheel movement locus in fig. 4.
In the figure, a grinding wheel 1, a guide wheel disc 2, a zero position block 3 and a dial indicator 4 are arranged.
Detailed Description
As shown in fig. 1, a calibration device for a conical roller ball datum plane grinding machine is characterized in that a central line between a grinding wheel 1 and two guide wheel discs 2 is used as a central axis, the grinding wheel 1 mounted on the conical roller ball datum plane grinding machine is positioned on the central axis, rotates by an angle with the central axis as a starting point and moves relative to the guide wheel discs 2 to grind the guide wheel discs 2, and the angle is the angle of the guide wheel discs; the calibrating device comprises a zero block 3, the zero block 3 is fixedly connected to a grinding machine for a sphere base surface of the conical roller, one side surface of the zero block 3 is parallel to a central axis and serves as a measuring base surface, the grinding and measuring device further comprises a dial indicator 4, the dial indicator 4 is mounted on the grinding wheel 1, a test head of the dial indicator 4 abuts against the measuring base surface of the zero block 3, the dial indicator 4 rotates along with the grinding wheel 1 and moves relative to the guide wheel disc 2, and the test head slides on the measuring base surface of the zero block 3; the driving mechanism of the grinding wheel 1 is formed by connecting a servo motor, a screw rod and a nut.
As shown in fig. 2-3, a method for calibrating an angle of a guide wheel disc of a conical roller ball-base surface grinding machine, where the angle of the guide wheel disc is phi, includes: adopt above-mentioned calibrating device to carry out calibration to guide pulley dish angle, specifically as follows:
1) the grinding wheel 1 is driven to rotate by an angle phi' with the central axis as a starting point, and the reading of the dial indicator is recorded as x 1.
2) The grinding wheel 1 is driven to move to the side of the guide wheel disc 2 by a distance L, at which time the dial indicator reading x2 is recorded.
3) The grinding wheel 1 is moved L in the direction of the guide wheel 2, with a lateral displacement x.
x actual = x1-x 2; x theory = tan Φ × L.
4) If x is actually = x theory, then Φ' = Φ; if x is actually larger than x theory, phi' is larger than phi, namely the rotation angle is too large; if x is actually < x theory, then φ' < φ, i.e., the rotation angle is too small.
5) When x is actually > x theory, the wheel is rotated, phi' is increased, and steps 1), 2), 3), 4) are repeated until either x is actually < x physical x is actually = x theory.
6) When x is actually < x theory, the wheel is rotated, reduced by Φ', and steps 1), 2), 3), 4) are repeated until either x is actually < x physical x is actually = x theory.
As shown in fig. 4-5, a method for calibrating a zero position of a grinding wheel of a conical roller ball-based surface grinding machine comprises the following steps: adopt above-mentioned calibrating device to calibrate the emery wheel, specifically as follows:
1) firstly, the grinding wheel 1 is rotated to a zero position, then the grinding wheel 1 is driven to move towards the side of the guide wheel disc 2, and the reading change of the dial indicator is observed to be delta x in the moving process of the grinding wheel 1.
2) If Δ x =0, i.e. grinding wheel 1 is in the null position, and if Δ x ≠ 0, i.e. grinding wheel 1 is not in the null position.
3) When Δ x ≠ 0, 1), 2) are repeated until Δ x = 0.
As shown in fig. 4-5, a method for calibrating a zero position of a grinding wheel of a conical roller ball-based surface grinding machine comprises the following steps: adopt above-mentioned calibrating device to carry out the calibration to the emery wheel, specifically as follows:
1) the grinding wheel 1 is first turned to a zero position, at which time the dial indicator reading is recorded as x 1.
2) The grinding wheel 1 is then driven to move L to the side of the guide wheel disc 2, at which time the dial indicator reading x2 is recorded.
3) If x1= x2, the grinding wheel 1 is located at the zero position; if x1 is larger than x2, the grinding wheel 1 is deviated to the right side; if x1 < x2, grinding wheel 1 is shifted to the left.
4) If x1 > x2, the wheel is left-handed and steps 1), 2), 3) are repeated until x1= x 2.
5) If x1 > x2, the wheel is rotated right and steps 1), 2), 3) are repeated until x1= x 2.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. Any person skilled in the art can make any equivalent substitutions or modifications on the technical solutions and technical contents disclosed in the present invention without departing from the scope of the technical solutions of the present invention, and still fall within the protection scope of the present invention without departing from the technical solutions of the present invention.
Claims (5)
1. A calibration device for a conical roller ball datum plane grinding machine is characterized in that a central line between one guide wheel disc and two guide wheel discs is used as a central axis, a grinding wheel arranged on the conical roller ball datum plane grinding machine is positioned on the central axis, rotates for an angle by taking the central axis as a starting point and moves relative to the guide wheel discs to grind the guide wheel discs, and the angle is the angle of the guide wheel discs; the grinding and measuring device is characterized by comprising a zero block, wherein the zero block is fixedly connected to a grinding machine for a sphere base surface of the conical roller, one side surface of the zero block is parallel to a central axis and is used as a measuring base surface, the grinding and measuring device further comprises a dial indicator, the dial indicator is arranged on a grinding wheel, a measuring head of the dial indicator abuts against the measuring base surface of the zero block, the dial indicator rotates along with the grinding wheel and moves relative to a guide wheel disc, and the measuring head slides on the measuring base surface of the zero block.
2. The calibrating device for a tapered roller ball-based surface grinder as claimed in claim 1, wherein the drive mechanism of the grinding wheel is formed by connecting a servo motor, a screw and a nut.
3. A method for calibrating the angle of a guide wheel disc of a conical roller ball datum plane grinding machine is characterized in that the method comprises the following steps: the alignment device of any one of claims 1 or 2 is used for aligning the angle of the guide wheel disc, and comprises the following specific steps:
1) driving the grinding wheel to rotate by a certain angle phi' with the central axis as a starting point, and recording the reading of the dial indicator as x 1;
2) driving the grinding wheel to move a distance L to the side of the guide wheel disc, and recording the reading of the dial indicator as x 2;
3) moving L along with the grinding wheel towards the direction of the guide wheel disc, wherein the transverse displacement is x;
x actual = x1-x 2; x theory = tan Φ × L;
4) if x is actually = x theory, then Φ' = Φ; if x is actually larger than x theory, phi' is larger than phi, namely the rotation angle is too large; if x is actually less than x theory, phi' is less than phi, namely the rotation angle is too small;
5) when x is actually larger than x theory, rotating the grinding wheel, increasing phi', and repeating the steps 1), 2), 3), 4) until x is actually smaller than x, x is actually = x theory;
6) when x is actually < x theory, the wheel is rotated, reduced by Φ', and steps 1), 2), 3), 4) are repeated until either x is actually < x physical x is actually = x theory.
4. A zero calibration method for a grinding wheel of a conical roller spherical datum plane grinding machine is characterized by comprising the following steps: the use of the calibrating device according to any one of claims 1 or 2 for calibrating a grinding wheel, in particular as follows:
1) firstly, rotating the grinding wheel to a zero position, then driving the grinding wheel to move towards the side of the guide wheel disc, and observing the reading change of a dial indicator in the moving process of the grinding wheel, wherein the reading change is delta x;
2) if delta x =0, the grinding wheel is located at the zero position, and if delta x is not equal to 0, the grinding wheel is not located at the zero position;
3) when Δ x ≠ 0, 1), 2) are repeated until Δ x = 0.
5. A zero calibration method for a grinding wheel of a conical roller spherical datum plane grinding machine is characterized by comprising the following steps: the use of the calibrating device according to any one of claims 1 or 2 for calibrating a grinding wheel comprises the following steps:
1) firstly, rotating the grinding wheel to a zero position, and recording the reading of a dial indicator as x 1;
2) then driving the grinding wheel to move L to the side of the guide wheel disc, and recording the reading of the dial indicator as x 2;
3) if x1= x2, the grinding wheel is located at the zero position; if x1 is more than x2, the grinding wheel is deviated to the right side; if x1 is less than x2, the grinding wheel is deviated to the left side;
4) if x1 > x2, left-turning the wheel and repeating steps 1), 2), 3) until x1= x 2;
5) if x1 > x2, the wheel is rotated right and steps 1), 2), 3) are repeated until x1= x 2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165267.0A CN114589557B (en) | 2022-02-23 | 2022-02-23 | Calibration device for conical roller ball base surface grinding machine and method for correcting angle of guide wheel disc and zero position of grinding wheel of calibration device |
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| CN202210165267.0A CN114589557B (en) | 2022-02-23 | 2022-02-23 | Calibration device for conical roller ball base surface grinding machine and method for correcting angle of guide wheel disc and zero position of grinding wheel of calibration device |
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| CN114589557B CN114589557B (en) | 2023-01-03 |
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|---|---|---|---|---|
| US5027562A (en) * | 1987-11-27 | 1991-07-02 | Toyoda Koki Kabushiki Kaisha | Numerically controlled grinding machine for grinding a tapered surface of a workpiece |
| JP2015150638A (en) * | 2014-02-13 | 2015-08-24 | 株式会社ジェイテクト | Grinder for tapered roller, and method for grinding tapered roller |
| CN105033814A (en) * | 2015-08-18 | 2015-11-11 | 临沂开元轴承有限公司 | Non-magnetic penetrating-through type grinder based on curvature radius of spherical fiducial surface of conical roller |
| CN105479310A (en) * | 2015-11-30 | 2016-04-13 | 江苏力星通用钢球股份有限公司 | Roller basal plane super finish machining device and method |
| CN206393376U (en) * | 2016-12-24 | 2017-08-11 | 宁波金创享智能科技有限公司 | A kind of lapping device of grinding machine for spherical fiducial surface of conical roller |
| CN109794851A (en) * | 2019-03-06 | 2019-05-24 | 上海理工大学 | A kind of grinding machine for spherical fiducial surface of conical roller guide wheel disk angle measurement method of adjustment |
| CN209648318U (en) * | 2019-03-23 | 2019-11-19 | 长沙市望城区航翔科技有限责任公司 | A kind of grinding system for shaft-like workpiece |
| CN212095880U (en) * | 2019-11-22 | 2020-12-08 | 上海联兴商务咨询中心 | Accurate attenuate device of chip |
| CN214351316U (en) * | 2020-12-23 | 2021-10-08 | 广西汽车集团有限公司 | Main shaft mounting hole grinder and grinding system |
-
2022
- 2022-02-23 CN CN202210165267.0A patent/CN114589557B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5027562A (en) * | 1987-11-27 | 1991-07-02 | Toyoda Koki Kabushiki Kaisha | Numerically controlled grinding machine for grinding a tapered surface of a workpiece |
| JP2015150638A (en) * | 2014-02-13 | 2015-08-24 | 株式会社ジェイテクト | Grinder for tapered roller, and method for grinding tapered roller |
| CN105033814A (en) * | 2015-08-18 | 2015-11-11 | 临沂开元轴承有限公司 | Non-magnetic penetrating-through type grinder based on curvature radius of spherical fiducial surface of conical roller |
| CN105479310A (en) * | 2015-11-30 | 2016-04-13 | 江苏力星通用钢球股份有限公司 | Roller basal plane super finish machining device and method |
| CN206393376U (en) * | 2016-12-24 | 2017-08-11 | 宁波金创享智能科技有限公司 | A kind of lapping device of grinding machine for spherical fiducial surface of conical roller |
| CN109794851A (en) * | 2019-03-06 | 2019-05-24 | 上海理工大学 | A kind of grinding machine for spherical fiducial surface of conical roller guide wheel disk angle measurement method of adjustment |
| CN209648318U (en) * | 2019-03-23 | 2019-11-19 | 长沙市望城区航翔科技有限责任公司 | A kind of grinding system for shaft-like workpiece |
| CN212095880U (en) * | 2019-11-22 | 2020-12-08 | 上海联兴商务咨询中心 | Accurate attenuate device of chip |
| CN214351316U (en) * | 2020-12-23 | 2021-10-08 | 广西汽车集团有限公司 | Main shaft mounting hole grinder and grinding system |
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| CN114589557B (en) | 2023-01-03 |
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Address after: 226500 No. 68 Xingyuan Road, Rugao City, Nantong, Jiangsu. Applicant after: JIANGSU LIXING GENERAL STEEL BALL Co.,Ltd. Applicant after: Jiangsu Xingye Precision Roller Technology Co.,Ltd. Address before: 226500 No. 68 Xingyuan Road, Rugao City, Nantong, Jiangsu. Applicant before: JIANGSU LIXING GENERAL STEEL BALL Co.,Ltd. Applicant before: RUGAO LIXING ROLLER TECHNOLOGY Co.,Ltd. |
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