CN111854648A - Angle measuring device - Google Patents
Angle measuring device Download PDFInfo
- Publication number
- CN111854648A CN111854648A CN202010877852.4A CN202010877852A CN111854648A CN 111854648 A CN111854648 A CN 111854648A CN 202010877852 A CN202010877852 A CN 202010877852A CN 111854648 A CN111854648 A CN 111854648A
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- China
- Prior art keywords
- light source
- fixed
- bottom plate
- scale
- measuring device
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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
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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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)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention belongs to the technical field of measurement, and particularly relates to an angle measuring device which comprises a support assembly, a light source assembly and a scale assembly, wherein the support assembly comprises a bottom plate, support legs, a platform and a baffle plate; the light source assembly comprises a light source, a light source bracket and a light source pressing plate, one side of the light source bracket is fixed at one side edge of the bottom plate, the other side of the light source bracket is fixed with the light source, and the upper end of the light source is fixed with the light source pressing plate; the scale assembly comprises a quarter-ring-shaped scale ring and an angle iron frame, the arc edge of the scale ring is perpendicular to and fixed with the angle iron frame, one side edge of the angle iron frame is fixed on one side of the bottom plate light source assembly, and a gap is formed in the portion, in contact with the light source, of the scale ring. The device solves the problems that the existing cutter angle measurement is not accurate and high in cost, and can be widely applied to various cutters to measurement.
Description
Technical Field
The invention belongs to the technical field of measurement, and particularly relates to an angle measuring device.
Background
In the modern mechanical manufacturing industry, there are many methods for machining machine parts, such as casting, forging, welding, cutting and various special machining, and with the rapid development of science and technology, the mechanical manufacturing industry is also rapidly developing. Complementary to each other, the development of science and technology also puts higher and higher demands on the mechanical manufacturing industry. The form and position accuracy and surface quality required to be achieved for many equipment parts has increased year by year. This is not only a challenge for the manufacture of machine tools, improvements, but also places higher demands on the tools. In order to prolong the service life of the cutter, improve the service efficiency of the cutter and meet the requirements of form and position precision and surface quality required by processing parts, the geometric shape of the cutter is correctly determined when the cutter is designed, the cutter material is reasonably selected, the necessary heat treatment is regulated, and the strict inspection of the cutter is not ignored in the manufacturing process.
Various angles of the tool are measured, one is measured by using a common angle square, errors are large because of estimation, and some complex angles cannot be measured on the angle square, particularly the angle square is used for measuring a precision tool, and the cutting edge of the tool can be damaged when the tool is measured. The other is to use a tool microscope and a projector to measure the angle, and the working principle of the two instruments is to use a projection method to obtain data, so that the operation is troublesome, and the human error is large. Under the conditions of high angle precision requirement and high production efficiency, high-precision equipment can be adopted, but the cost and the efficiency of the high-precision equipment are not cost-effective in a small and medium-sized enterprise.
Therefore, there is a need to improve upon the above problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an angle measuring device which can solve the problems that the angle of the existing cutter is not accurately measured and the cost is high.
The technical scheme adopted by the invention is as follows:
an angle measuring device comprises a support assembly, a light source assembly and a scale assembly, wherein the support assembly comprises a bottom plate, support legs, a platform and a baffle plate, the bottom plate is a rectangular plate, four support legs are fixed at four corners of the lower bottom surface of the bottom plate respectively, the platform is fixed at the horizontal center line of one side of the upper plate surface of the bottom plate, and the baffle plate is fixed at the upper end of the platform; the light source assembly comprises a light source, a light source bracket and a light source pressing plate, wherein the light source bracket is an L-shaped bracket, one side of the light source bracket is fixed at the edge of one side of the bottom plate opposite to the platform, the other side of the light source bracket is fixed with a light source, and the upper end of the light source is fixed with the light source pressing plate; the scale assembly comprises a quarter-ring-shaped scale ring and a quarter-ring-shaped angle iron frame, the arc edge of the scale ring and the angle iron frame are mutually and vertically fixed on the outer edge of the angle iron frame, the right-angle edge on one side of the angle iron frame is horizontally fixed on one side of the bottom plate light source assembly, and a gap is formed in the part, in contact with the light source, of the scale ring.
The support legs are composed of a large cylinder and a small cylinder, the upper circular surface of the small cylinder is fixed with the bottom plate, the lower circular surface of the small cylinder is fixed with the center of the upper circular surface of the large cylinder, and the lower circular surface of the large cylinder is in contact with the ground.
The baffle is a rectangular plate with a fixing groove formed in one side, and the baffle is fixed on the platform through bolts in the fixing groove.
The top surface of the platform is marked with a center point.
The inner ring of the angle iron frame is composed of three equal-length straight edges, and the intersection point of the extension lines of the straight edges at the two outer sides of the angle iron frame is a central point.
And scales are arranged on one surface of the inner side of the scale ring opposite to the bottom plate.
The scale ranges from-2 ° to 45 °.
The scale assembly is sized to fit the base plate.
Compared with the prior art, the invention has the following beneficial effects:
in order to measure the angle of a cutter with a complex shape and high precision requirement, the invention uses the principle of light reflection and the principle of laser directionality to position and fix a platform and a baffle structure in a bracket component, a light source at a remote place irradiates the measured cutter with laser, the laser is reflected to a quarter arc-shaped scale, and corresponding reading is carried out from the scale. The processing and manufacturing cost of the invention is not more than one thousand yuan, and the measured angle is accurate and has small error range through experiments, which can not be achieved by a common angle measuring instrument.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a bracket assembly of the present invention;
FIG. 3 is a schematic view of a partial structure of a light source module according to the present invention;
fig. 4 is a schematic structural diagram of the scale assembly of the present invention.
Wherein: 1 is a bracket component, 2 is a light source component, 3 is a scale component, 11 is a bottom plate, 12 is a support leg, 13 is a platform, 14 is a baffle, 15 is a central point, 21 is a light source, 22 is a light source bracket, 23 is a light source pressing plate, 31 is a scale ring, 32 is an angle iron frame, and 33 is a scale.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, an angle measuring apparatus includes a bracket assembly 1, a light source assembly 2 and a scale assembly 3, wherein the bracket assembly 1 includes a bottom plate 11, support legs 12, a platform 13 and a baffle plate 14, the bottom plate 11 is a rectangular plate, four support legs 12 are respectively fixed at four corners of a lower bottom surface of the bottom plate 11, the platform 13 is fixed at a horizontal center line of one side of an upper plate surface of the bottom plate 11, and a baffle plate 14 is fixed at an upper end of the platform 13; the light source assembly 2 comprises a light source 21, a light source support 22 and a light source pressing plate 23, wherein the light source support 22 is an L-shaped support, one side of the light source support 22 is fixed on one side edge of the bottom plate 11 opposite to the platform 13, the other side of the light source support 22 is fixed with the light source 21, and the upper end of the light source 21 is fixed with the light source pressing plate 23 for fixing the light source 21 and providing a light source for measurement; the scale component 3 comprises a quarter circular scale ring 31 and a quarter circular angle iron frame 32, the arc edge of the scale ring 31 and the angle iron frame 32 are mutually vertically fixed at the outer edge of the angle iron frame 32, the scale ring 31 is fixed by the angle iron frame 32, the right-angle edge at one side of the angle iron frame 32 is horizontally fixed at one side of the light source component 2 of the bottom plate 11, and a gap is formed in the contact part of the scale ring 31 and the light source 21.
The support leg 12 is composed of a large cylinder and a small cylinder, the upper circular surface of the small cylinder is fixed with the bottom plate 11, the lower circular surface of the small cylinder is fixed with the center of the upper circular surface of the large cylinder, the lower circular surface of the large cylinder is in contact with the ground, and the bottom plate 11 is supported through the support leg 12.
The baffle 14 is a rectangular plate with a fixing groove formed in one side, the baffle 14 is fixed on the platform 13 through bolts in the fixing groove, and the platform 13 and the baffle 14 are used for positioning workpieces and are convenient to measure.
The top surface of the platform 13 is marked with a central point 15 for positioning.
The inner ring of the angle iron frame 32 is composed of three equal-length straight edges, and the intersection point of the extension lines of the two outer straight edges of the angle iron frame 32 is a central point 15.
The scale ring 31 is provided with a scale 33 on the inner side surface opposite to the bottom plate 11, the scale ring 31 marks the scale 33, and reading can be carried out quickly in the measuring process.
The scale 33 ranges from-2 ° to 45 °.
The scale assembly 3 is sized to fit the base plate 11 to ensure that the direct illumination of the light source 21 and the reflected light to the scale ring 31 are read accurately.
After the assembly is completed, the measured cutter is placed on the platform, the baffle plate limits the distance between the light source 21 and the reflecting surface of the measured cutter, the measuring surface of the cutter and the center of a reference circle of the whole scale assembly 3 are ensured to be at the same position, the distance is ensured to be unchanged at 500mm, if the length is changed, the reference circle of the scale is also changed along with the distance, and therefore the distance is the most main reason for ensuring the measuring precision. The reflecting surface of the cutter reflects the laser emitted from the light source 21 to the mark scale 33 of the scale ring 31 during the measurement, the scale ring 31 actually divides a reference circumference with a radius of 500mm into 4 parts, and each part is divided into 45 degrees according to the reflection principle of the light and the angle of the cutter during the actual production, so that the distance between every two degrees is 17.444 mm, the measurement precision can reach 2 '-5' during the production, and the production efficiency is improved by more than 3 times.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.
Claims (8)
1. An angle measuring device, characterized in that: the LED lamp support comprises a support component (1), a light source component (2) and a scale component (3), wherein the support component (1) comprises a bottom plate (11), support legs (12), a platform (13) and a baffle (14), the bottom plate (11) is a rectangular plate, four support legs (12) are respectively fixed at four corners of the lower bottom surface of the bottom plate (11), the platform (13) is fixed at the horizontal center line of one side of the upper plate surface of the bottom plate (11), and the baffle (14) is fixed at the upper end of the platform (13); the light source assembly (2) comprises a light source (21), a light source support (22) and a light source pressing plate (23), the light source support (22) is an L-shaped support, one side of the light source support (22) is fixed on one side edge of the bottom plate (11) opposite to the platform (13), the other side of the light source support (22) is fixed with the light source (21), and the upper end of the light source (21) is fixed with the light source pressing plate (23); the scale assembly (3) comprises a quarter-ring-shaped scale ring (31) and a quarter-ring-shaped angle iron frame (32), the arc edge of the scale ring (31) and the angle iron frame (32) are mutually and vertically fixed on the outer side edge of the angle iron frame (32), the right-angle edge on one side of the angle iron frame (32) is horizontally fixed on one side of the light source assembly (2) of the bottom plate (11), and a gap is formed in the contact part of the scale ring (31) and the light source (21).
2. An angle measuring device according to claim 1, wherein: the supporting legs (12) are composed of a large cylinder and a small cylinder, the upper circular surface of the small cylinder is fixed with the bottom plate (11), the lower circular surface of the small cylinder is fixed with the center of the upper circular surface of the large cylinder, and the lower circular surface of the large cylinder is in contact with the ground.
3. An angle measuring device according to claim 1, wherein: the baffle (14) is a rectangular plate with a fixing groove formed in one side, and the baffle (14) is fixed on the platform (13) through bolts in the fixing groove.
4. An angle measuring device according to claim 1, wherein: the top surface of the platform (13) is marked with a central point (15).
5. An angle measuring device according to claim 1, wherein: the inner ring of the angle iron frame (32) is composed of three equal-length straight edges, and the intersection point of the extension lines of the straight edges at the two outer sides of the angle iron frame (32) is a central point (15).
6. An angle measuring device according to claim 1, wherein: and scales (33) are arranged on the inner side surface of the scale ring (31) opposite to the bottom plate (11).
7. An angle measuring device according to claim 6, wherein: the scale (33) ranges from-2 ° to 45 °.
8. An angle measuring device according to claim 1, wherein: the scale component (3) is matched with the bottom plate (11) in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877852.4A CN111854648A (en) | 2020-08-27 | 2020-08-27 | Angle measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877852.4A CN111854648A (en) | 2020-08-27 | 2020-08-27 | Angle measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111854648A true CN111854648A (en) | 2020-10-30 |
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ID=72966873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010877852.4A Pending CN111854648A (en) | 2020-08-27 | 2020-08-27 | Angle measuring device |
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| CN (1) | CN111854648A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116518884A (en) * | 2023-06-26 | 2023-08-01 | 合肥联宝信息技术有限公司 | Optical detection jig and optical detection system |
-
2020
- 2020-08-27 CN CN202010877852.4A patent/CN111854648A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116518884A (en) * | 2023-06-26 | 2023-08-01 | 合肥联宝信息技术有限公司 | Optical detection jig and optical detection system |
| CN116518884B (en) * | 2023-06-26 | 2023-11-24 | 合肥联宝信息技术有限公司 | Optical detection jig and optical detection system |
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