CN107941150B - Body diagonal position precision measurement tool and measurement method - Google Patents
Body diagonal position precision measurement tool and measurement method Download PDFInfo
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- CN107941150B CN107941150B CN201711380798.7A CN201711380798A CN107941150B CN 107941150 B CN107941150 B CN 107941150B CN 201711380798 A CN201711380798 A CN 201711380798A CN 107941150 B CN107941150 B CN 107941150B
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- 238000005259 measurement Methods 0.000 title claims description 12
- 238000000691 measurement method Methods 0.000 title description 4
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- Length Measuring Devices By Optical Means (AREA)
Abstract
A body diagonal position precision measuring tool and a measuring method, wherein the tool comprises a base and a staff gauge, wherein two side edges of the base are provided with strip-shaped positioning tables which are parallel to each other, the front end of the base is provided with a cylindrical boss, and the staff gauge is arranged in the cylindrical boss; the upper plane of the base is inserted with a positioning round key, and a positioning flat key vertical to the strip-shaped positioning table is fixed on the base. The measuring method comprises the following steps: placing the laser measuring assembly on the base, and enabling the side surface and the front end of the laser measuring assembly to respectively abut against the strip-shaped positioning table and the positioning flat key; calculating the position of a laser light target on the scale mark by measuring the distance between the refractive mirror of the laser measuring assembly and the scale and combining an included angle beta formed by the body diagonal and the horizontal projection line of the body diagonal, and adjusting the angle of the refractive mirror to be equal to the included angle beta; the staff gauge is disassembled, and the base is clamped into the same T-shaped groove on the machine tool workbench through the positioning round key; the reflector is fixed on the head of the main shaft of the machine tool, and the laser light target can be picked up by adjusting the reflector for detection. The invention reduces the labor intensity of measuring staff and improves the measuring efficiency.
Description
Technical Field
The invention belongs to the technical field of machine tool precision detection, and particularly relates to a body diagonal position precision measurement tool and a measurement method.
Background
The geometric precision of the numerical control machine tool is the most critical performance index of equipment performance. The measurement of the multi-axis linkage interpolation positioning precision of the multi-axis linkage numerical control machine tool can comprehensively evaluate key geometric precision such as single axis positioning precision, perpendicularity, straightness, angle deviation and the like of the whole machine, and the body diagonal error index can be more close to practical application and is universally supported by domestic and foreign industry standards. The standard for measuring the position accuracy of the body diagonal is also promulgated by the international standard of ISO 230-6. The numerical control machine tool body diagonal position precision detection has practical significance for analysis and improvement of machine tool precision and user cognition.
At present, the position accuracy of a body diagonal line is detected by a Raney laser measuring assembly, and when the position accuracy is detected, a laser beam which is refracted by a refractor of the laser measuring assembly is required to pass through one body diagonal line of a working area, and the position and the placement angle of the laser measuring assembly on a machine tool and the angle adjustment of the refractor of the laser measuring assembly are very difficult and time-consuming because the body diagonal line is a space diagonal line, so that the detection efficiency is greatly reduced.
Disclosure of Invention
The invention provides a body diagonal position precision measuring tool and a measuring method, which realize the one-time accurate positioning of the whole laser measuring assembly on a machine tool workbench when the body diagonal position precision of a machine tool of the same model is detected, and save complicated time-consuming adjustment; thereby reducing the labor intensity of the measuring personnel and improving the measuring efficiency.
The technical scheme adopted by the invention is as follows: the utility model provides a body diagonal position accuracy measurement frock, the frock includes base and scale, the both sides limit of base has the bar location platform that is parallel to each other, the front end of base has the cylinder boss, scale one end is installed in the cylinder boss through threaded connection, and the other end is equipped with axial scale mark; the front part and the middle part of the upper plane of the base are respectively provided with a positioning through hole, and the included angle between the connecting line of the positioning through holes and the side edge of the base is equal to the included angle alpha between the horizontal projection line of the body diagonal and the corresponding side edge; the two positioning through holes are respectively inserted with a positioning round key, the positioning round keys extend out of the lower plane of the base, and a positioning flat key vertical to the strip-shaped positioning table is fixed on the upper plane of the middle of the base.
The method for measuring the body diagonal position accuracy by the tool comprises the following steps:
Step 1: placing the laser measurement assembly on a base, taking a strip-shaped positioning table and a positioning flat key as positioning reference surfaces, and respectively tightly abutting the side surface and the front end of a base of the laser measurement assembly on the strip-shaped positioning table and the positioning flat key;
Step 2: measuring the distance between the refractive mirror of the laser measuring assembly and the scale, combining an included angle beta formed by the body diagonal and the body diagonal horizontal projection line, calculating the position of the laser light target on the scale according to the right-angle function relation, and adjusting the angle of the refractive mirror of the laser measuring assembly according to the position to ensure that the angle beta formed by the refractive mirror of the laser measuring assembly and the body diagonal horizontal projection line are equal;
step 3: after the angle is adjusted, the scale is disassembled, the placement of the laser measuring assembly is fixed, then the base is clamped into the same T-shaped groove on the machine tool workbench through two positioning round keys, so that the strip-shaped positioning table is parallel to the projection line of the diagonal plane of the measured body, the positioning of the position and placement angle of the laser measuring assembly on the machine tool is realized, and the laser measuring assembly is integrally fixed on the machine tool workbench;
step 4: the reflector is fixed on the head of the main shaft of the machine tool, and the laser light target can be picked up by adjusting the reflector for detection.
Compared with the prior art, the invention has the following beneficial effects: the position and the placing angle of the whole laser measuring assembly on the workbench of the machine tool are clamped into the T-shaped groove of the machine tool by adopting a positioning round key for positioning; the angle of the refractor of the laser component is positioned by a positioning flat key and adjusted by a scale; the whole laser measuring assembly is accurately positioned on the machine tool workbench at one time, and tedious and time-consuming adjustment is omitted; thereby reducing the labor intensity of the measuring personnel and improving the measuring efficiency.
Drawings
FIG. 1 is a schematic structural view of a tooling according to the present invention;
FIG. 2 is a schematic diagram of a tool measurement mode according to the present invention;
FIG. 3 is a schematic diagram of the measurement method of the present invention.
Detailed Description
The invention will now be described in detail with reference to figures 1-3 and the detailed description.
The utility model provides a body diagonal position accuracy measurement frock, the frock includes base 1 and scale 4, the both sides limit of base 1 has the bar location platform 3 that is parallel to each other, the front end of base 1 has cylinder boss 12, scale 4 one end is installed in cylinder boss 12 through threaded connection, and the other end is equipped with axial scale mark; a positioning through hole 1-1 is respectively arranged at the front part and the middle part of the upper plane of the base 1, and the included angle between the connecting line of the positioning through hole 1-1 and the side edge of the base 1 is equal to the included angle alpha between the horizontal projection line of the body diagonal and the corresponding side edge; the two positioning through holes 1-1 are respectively inserted with a positioning round key 2, the positioning round key 2 extends out of the lower plane of the base 1, and a positioning flat key 5 perpendicular to the strip-shaped positioning table 3 is fixed on the upper plane of the middle part of the base 1.
The method for measuring the body diagonal position accuracy by the tool comprises the following steps:
Step 1: the laser measuring assembly 6 is arranged on the base 1, the strip-shaped positioning table 3 and the positioning flat key 5 are used as positioning reference surfaces, and the side surface and the front end of the base 11 of the laser measuring assembly 6 are respectively abutted against the strip-shaped positioning table 3 and the positioning flat key 5;
Step 2: measuring the distance between the refractive mirror of the laser measuring assembly 6 and the scale 4, combining an included angle beta formed by the body diagonal 9 and the body diagonal horizontal projection line, calculating the position of the laser light target on the scale according to the right-angle function relation, and adjusting the angle of the refractive mirror of the laser measuring assembly 6 according to the position to ensure that the angle of the refractive mirror of the laser measuring assembly 6 is equal to the included angle beta formed by the body diagonal 9 and the body diagonal horizontal projection line;
Step 3: after the angle is adjusted, the scale 4 is disassembled, the placement of the laser measuring assembly 6 is fixed, then the base 1 is clamped into the same T-shaped groove on the machine tool workbench 10 through the two positioning round keys 2, so that the strip-shaped positioning table 3 is parallel to the projection line of the diagonal plane of the measured object, the positioning of the position and placement angle of the whole laser measuring assembly 6 on the machine tool is realized, and the whole laser measuring assembly 6 is fixed on the machine tool workbench 10;
Step 4: the reflector 7 is fixed on the head of the machine tool spindle 8, and the laser light target can be picked up by adjusting the reflector 7 for detection.
The invention has compact structure and simple use, adopts two positioning round keys to clamp into the same T-shaped groove of the workbench of the machine tool to position the whole laser measuring assembly on the workbench of the machine tool, adopts a positioning flat key to position and adopts a detachable scale to adjust the angle of the refractive mirror of the laser measuring assembly. When the process equipment is used for detecting the diagonal position precision of the same-model machine tool body, the one-time accurate positioning of the whole laser measurement assembly on the machine tool workbench is realized, and the tedious and time-consuming adjustment is omitted; thereby reducing the labor intensity of the measuring personnel and improving the measuring efficiency.
The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of the present invention, so that all equivalent modifications made by the appended claims shall be included in the scope of the present invention.
Claims (1)
1. The utility model provides a frock is measured to body diagonal position accuracy which characterized in that: the tool comprises a base (1) and a scale (4), wherein strip-shaped positioning tables (3) which are parallel to each other are arranged on two side edges of the base (1), a cylindrical boss (12) is arranged at the front end of the base (1), one end of the scale (4) is installed in the cylindrical boss (12) through threaded connection, and an axial scale mark is arranged at the other end of the scale; the front part and the middle part of the upper plane of the base (1) are respectively provided with a positioning through hole (1-1), and the included angle between the connecting line of the positioning through holes (1-1) and the side edge of the base (1) is equal to the included angle alpha between the horizontal projection line of the body diagonal and the corresponding side edge; a positioning round key (2) is respectively inserted into the two positioning through holes (1-1), the positioning round key (2) extends out of the lower plane of the base (1), and a positioning flat key (5) perpendicular to the strip-shaped positioning table (3) is fixed on the upper plane of the middle part of the base (1);
The method for measuring the body diagonal position accuracy of the tool comprises the following steps:
step 1: the method comprises the steps that a laser measurement assembly (6) is arranged on a base (1), a strip-shaped positioning table (3) and a positioning flat key (5) are used as positioning reference surfaces, and the side face and the front end of a base (11) of the laser measurement assembly (6) are respectively abutted against the strip-shaped positioning table (3) and the positioning flat key (5);
Step 2: measuring the distance between a refractive mirror of the laser measuring assembly (6) and the scale (4), combining an included angle beta formed by the body diagonal (9) and the body diagonal horizontal projection line, calculating the position of the laser light target on the scale according to the right-angle function relation, and adjusting the angle of the refractive mirror of the laser measuring assembly (6) according to the position, so that the angle of the refractive mirror of the laser measuring assembly (6) is equal to the included angle beta formed by the body diagonal (9) and the body diagonal horizontal projection line;
Step 3: after the angle is adjusted, the scale (4) is disassembled, the placement of the laser measuring assembly (6) is fixed, then the base (1) is clamped into the same T-shaped groove on the machine tool workbench (10) through the two positioning round keys (2), so that the strip-shaped positioning table (3) is parallel to the horizontal plane projection line of the measured body diagonal, the positioning of the position and placement angle of the laser measuring assembly (6) on the machine tool is realized, and the laser measuring assembly (6) is integrally fixed on the machine tool workbench (10);
step 4: the reflector (7) is fixed on the head of the main shaft (8) of the machine tool, and the laser light target can be picked up by adjusting the reflector (7) for detection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711380798.7A CN107941150B (en) | 2017-12-20 | 2017-12-20 | Body diagonal position precision measurement tool and measurement method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711380798.7A CN107941150B (en) | 2017-12-20 | 2017-12-20 | Body diagonal position precision measurement tool and measurement method |
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| CN107941150A CN107941150A (en) | 2018-04-20 |
| CN107941150B true CN107941150B (en) | 2024-06-21 |
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| CN201711380798.7A Active CN107941150B (en) | 2017-12-20 | 2017-12-20 | Body diagonal position precision measurement tool and measurement method |
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| CN110243300B (en) * | 2019-07-10 | 2021-03-23 | 石家庄铁道大学 | Shield tail clearance measuring method and system based on machine vision technology |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036535A (en) * | 2017-05-25 | 2017-08-11 | 大连船舶重工集团有限公司 | Rectangular plate diagonal accuracy detection frock |
| CN207779333U (en) * | 2017-12-20 | 2018-08-28 | 宝鸡忠诚机床股份有限公司 | A kind of body diagonal positional precision measurement tooling |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202676159U (en) * | 2012-07-16 | 2013-01-16 | 海洋王（东莞）照明科技有限公司 | Height positioning scale |
| CN103727909A (en) * | 2014-01-27 | 2014-04-16 | 苏州全代数控科技有限公司 | Precision measuring instrument of machine tool |
| CN205816477U (en) * | 2016-07-10 | 2016-12-21 | 孔兵 | A kind of bender laser is to line aligner |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036535A (en) * | 2017-05-25 | 2017-08-11 | 大连船舶重工集团有限公司 | Rectangular plate diagonal accuracy detection frock |
| CN207779333U (en) * | 2017-12-20 | 2018-08-28 | 宝鸡忠诚机床股份有限公司 | A kind of body diagonal positional precision measurement tooling |
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