CN214666745U - Automatic measurer for front and rear angle and edge inclination of turning tool - Google Patents
Automatic measurer for front and rear angle and edge inclination of turning tool Download PDFInfo
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- CN214666745U CN214666745U CN202121417132.6U CN202121417132U CN214666745U CN 214666745 U CN214666745 U CN 214666745U CN 202121417132 U CN202121417132 U CN 202121417132U CN 214666745 U CN214666745 U CN 214666745U
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Abstract
The utility model provides a lathe tool preceding, relief angle and sword inclination automatic measuring apparatu, includes measuring apparatu base and display part, the utility model discloses broken the not enough of current laboratory glassware, on being applied to the development and the development of laboratory bench with advanced test and sensing technology, realized the automatic measure at lathe tool rake angle, relief angle and sword inclination, adopted the display screen directly to realize reading of measured data, improved measurement accuracy. The analog quantity output by the stay wire sensor is converted by an analog-to-digital conversion module in the control box, the converted digital quantity is input to the single chip microcomputer, and the measured result is input to the display screen by the single chip microcomputer to be displayed. The process of the measurer evaluating the readings is eliminated.
Description
Technical Field
The utility model relates to a measuring instrument technical field, in particular to lathe tool preceding, relief angle and sword inclination automatic measuring apparatu.
Background
The professional course of the mechanical manufacturing technology foundation is a necessary professional course for the students in the department of industry, the content of the course is strong in specialty and theories, and the theoretical foundation is laid for the students in the department of industry to participate in work or continue to build deeply. The tool angle involved is a relatively hot technology in the factory, and workpieces machined by tools with different angles have different and greatly different qualities, so that the tool angle seriously affects the machining quality, and the technology is relatively important in the factory. Meanwhile, in the professional lessons, the experiment lessons set for the contents not only provide manual operation capability for students, but also can deepen the understanding of the students on textbook knowledge, and realize the zero-distance contact between the students and the actual engineering.
The turning tool is the most typical tool in the processing tools, the space stereology of the turning tool is strong, and students cannot easily understand the turning tool in time. The experimental course of 'geometric angle measurement of the turning tool' is set for the part of contents, so that space for understanding the part of theoretical knowledge is provided for students, and the students can operate the experimental course manually. In view of the current laboratory tables, the defects of corrosion, nicking, blurred scribed lines and the like appear due to the use of the laboratory tables for many years. Meanwhile, the operation of the old experiment table is still manually completed by a measurer, automatic measurement is not realized, and the operation is far from meeting the current teaching requirements of the department. The teaching of this department is seriously lagged behind the development of science and technology. Meanwhile, the experiment table can only meet the previous teaching purpose and cannot be popularized and applied in enterprises. Therefore, the automatic measuring device for the front angle, the rear angle and the blade inclination angle of the turning tool is originally developed and developed, so that the automatic measuring device can be applied to the teaching and the factory of the department.
Disclosure of Invention
The utility model aims at the background art in problem with not enough, provide a lathe tool preceding, relief angle and sword inclination automatic measuring apparatu.
The automatic measuring instrument for the front and rear angles and the blade inclination angle of the turning tool comprises a measuring instrument base; the four corners of the measuring instrument base are provided with stepped holes for mounting a bottom pillar, the fixed shell is mounted on the measuring instrument base, a turning tool clamping seat for placing a turning tool is mounted on the measuring instrument base, the turning tool clamping seat is a rectangular member, the position of the turning tool after placement is not adjustable, a first L-shaped plate is further mounted on the measuring instrument base, a first air cylinder is fixed on the protruding part of the upper part of the first L-shaped plate, a pressing plate for fixing and pressing the turning tool is mounted on a pushing plate of the first air cylinder, a second L-shaped plate is further mounted on the measuring instrument base, a second air cylinder and a third air cylinder are mounted on the second L-shaped plate, a right-angle plate is fixedly connected to the working end of the second air cylinder, a main cutting edge of the turning tool is in contact with the side surface of the forward extending part of the right-angle plate, and the right angle of the turning tool is in contact with the right-angle line of the tool tip plate;
the working end of a third cylinder is connected with a measuring component of the front angle and the blade inclination angle, the measuring component of the front angle and the blade inclination angle is in sliding connection with a second L-shaped plate, the measuring component of the front angle and the blade inclination angle is driven by the third cylinder to move up and down along a guide rail, the measuring component of the front angle and the blade inclination angle is driven by the third cylinder to move up and down along the guide rail, two moving contacts and one static contact at the front end of the stay wire sensor are in contact with a front tool face, and the measurement of the front angle and the blade inclination angle is completed;
the measuring instrument base is further provided with a short L-shaped plate, a fourth cylinder is fixedly connected to the short L-shaped plate, the working end of the fourth cylinder is connected with a rear angle measuring assembly, the rear angle measuring assembly is connected with the short L-shaped plate in a sliding mode, the rear angle measuring assembly is driven by the fourth cylinder to slide back and forth along the short L-shaped plate, contact between a moving contact and a static contact at the front end of the stay wire sensor and a main rear knife face is achieved, and measurement of the rear angle is completed;
the display part comprises a display screen, a single chip microcomputer and an analog-to-digital conversion module, the pull line sensor is connected with the analog-to-digital conversion module, the digital-to-analog conversion switch, the electromagnetic valve on the first air cylinder, the electromagnetic valve on the second air cylinder, the electromagnetic valve on the third air cylinder and the electromagnetic valve on the fourth air cylinder are all connected with the single chip microcomputer, and the single chip microcomputer is in communication connection with the display screen;
the display screen is installed on fixed shell, and the display screen also can be through data line connection computer, then shows measured data through the computer, can also save measured result in the computer simultaneously, carry out the comparison of survey data.
The utility model has the advantages that:
1. the utility model discloses broken the not enough of current laboratory glassware, on being applied to the development and the development of laboratory bench with advanced test and sensing technology, realized the automatic measure at lathe tool anterior angle, relief angle and sword inclination. The measuring result is more accurate than the original experiment table.
2. The utility model discloses a sensor of acting as go-between measures, realizes the location of cutter through the cylinder and steps up.
3. The cylinder drives the moving contact and the static contact, and the moving contact and the static contact are in contact with each measuring surface and each measuring line of the cutter. This process is accomplished by automatic control, including movement and tightening of the parts.
4. The utility model discloses just having found out "base face", "cutting plane" and "orthogonal plane" that need use in the measurement in structural design, having sought these planes again when need not to measure, the cutter is put on the measuring apparatu and is direct just can measure, has greatly practiced thrift measuring time.
5. The utility model discloses a display screen directly realizes reading of measured data, has improved measurement accuracy. The analog quantity output by the stay wire sensor is converted by an analog-to-digital conversion module in the control box, the converted digital quantity is input to the single chip microcomputer, and the measured result is input to the display screen by the single chip microcomputer to be displayed. The process of the measurer evaluating the readings is eliminated.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic view of the internal structure of the present invention.
Fig. 4 is a schematic view of the internal structure of the present invention.
Fig. 5 is a partially enlarged schematic view of a portion a of fig. 3.
Detailed Description
Referring to fig. 1 to 5, an automatic measuring instrument for the front and rear angles and the blade inclination angle of a turning tool includes a measuring instrument base 1; the four corners of the measuring instrument base 1 are provided with stepped holes for mounting the bottom pillar 2, a fixed shell is mounted on the measuring instrument base 1, a turning tool clamping seat 3 for placing a turning tool 4 is mounted on the measuring instrument base 1, the turning tool clamping seat 3 is a cuboid, the position of the turning tool 4 after being placed is not adjustable, a first L-shaped plate 5 is further mounted on the measuring instrument base 1, a first air cylinder 6 is fixed on the protruding part of the upper part of the first L-shaped plate 5, a pressing plate for fixedly pressing the turning tool 4 is mounted on the pushing plate of the first air cylinder 6, a second L-shaped plate 7 is further mounted on the measuring instrument base 1, a second air cylinder 8 and a third air cylinder 9 are mounted on the second L-shaped plate 7, a right angle plate 10 is fixedly connected to the working end of the second air cylinder 8, the main cutting edge of the turning tool 4 is in contact with the side surface of the forward extending part of the right angle plate 10, and the tool tip of the turning tool 4 is in contact with the right angle line of the right angle plate 10;
the working end of the third cylinder 9 is connected with the measuring component 11 for the rake angle and the blade inclination angle, the measuring component 11 for the rake angle and the blade inclination angle is in sliding connection with the second L-shaped plate member 7, the measuring component 11 for the rake angle and the blade inclination angle is driven by the third cylinder 9 to move up and down along the guide rail, two moving contacts 110 and one fixed contact 111 at the front end of the stay wire sensor 112 are in contact with a rake face, and the measurement of the rake angle and the blade inclination angle is completed;
the measuring instrument base 1 is further provided with a short L-shaped plate 12, the short L-shaped plate 12 is fixedly connected with a fourth cylinder 14, the working end of the fourth cylinder 14 is connected with a rear angle measuring assembly 13, the rear angle measuring assembly 13 is in sliding connection with the short L-shaped plate 12, the rear angle measuring assembly 13 is driven by the fourth cylinder 14 to slide back and forth along the short L-shaped plate 12, contact between a moving contact 110 and a static contact 111 at the front end of the stay wire sensor 112 and a main rear knife face is achieved, and measurement of the rear angle is completed;
the display part comprises a display screen, a single chip microcomputer and an analog-digital conversion module, the stay wire sensor 112 is connected with the analog-digital conversion module, the digital-analog conversion switch, the electromagnetic valve on the first air cylinder 6, the electromagnetic valve on the second air cylinder 8, the electromagnetic valve on the third air cylinder 9 and the electromagnetic valve on the fourth air cylinder 14 are connected with the single chip microcomputer, and the single chip microcomputer is in communication connection with the display screen;
the display screen is installed on fixed shell, and the display screen also can be through data line connection computer, then shows measured data through the computer, can also save measured result in the computer simultaneously, carry out the comparison of survey data.
Furthermore, the front angle and blade inclination angle measuring assembly 11 includes two moving contacts 110, a fixed contact 111, a pull line sensor 112 and a sliding plate 113, the sliding plate 113 is slidably connected with the second L-shaped plate 7, the lower end of the sliding plate 113 is provided with a fixed seat 114, the pull line sensor 112 is fixedly connected to the upper end of the sliding plate 113, the pull line end of the pull line sensor 112 is fixedly connected with the two moving contacts 110 slidably connected to the fixed seat 114, and the fixed contact 111 is fixedly connected to the lower end of the fixed seat 114; the relief angle measuring assembly 13 is of the same construction as the rake angle and edge rake angle measuring assembly 11.
The working process and principle are as follows:
the whole measuring process is controlled by 4 cylinders, wherein the first cylinder 6 is used for compressing the turning tool 4 to prevent the turning tool 4 from swinging, the second cylinder 8 is used for installing the right-angle plate 10, the third cylinder 9 is used for controlling the movement of the measuring component 11 of the front angle and the blade inclination angle, the movable contact 110 and the fixed contact 111 are in contact with the front angle and the blade inclination angle of the turning tool to realize the measuring task, and the fourth cylinder 14 is used for moving the rear angle measuring component 13.
How to measure specifically: and simultaneously, the measurement of the main deflection angle and the auxiliary deflection angle is completed, and the specific measurement principle is as follows:
(1) measurement of rake angle and blade inclination
The turning tool 4 is placed on the turning tool holder 3, and the turning tool 4 is aligned with the positioned right-angle plate 10. Starting a key, pressing the turning tool 4 by the first cylinder 5, moving 2 moving contacts 110 and static contacts 111 of the front angle and blade inclination angle measuring component 11 downwards under the driving of the second cylinder 8 to contact with the front tool face, and simultaneously completing the measurement of the front angle and the blade inclination angle, wherein the measurement result is displayed on a display screen, and a specific numerical value is displayed on the display screen, two moving contacts 110 extend and retract until the two moving contacts closely contact with the front tool face of the turning tool 4, a straight line is determined between the two points, the straight line distance is measured by a pull wire sensor 112, and one of the moving contacts 110 is propped against the main cutting edge; another fixed contact 111 directly abuts against a certain point of the main cutting edge of the turning tool 4, and forms a linear distance with the previous movable contact 110 along the main cutting edge, and the displacement is also measured by the pull sensor 112. The distances between the two moving contacts 110 and between the moving contacts 110 and the fixed contacts 111 are known, the moving distance of the moving contacts 110 to the pull sensor 112 can be measured, thus, a right triangle is formed by the two moving contacts 110 and the moving distance thereof, another right triangle is formed by the moving distances of the moving contacts 110, the fixed contacts 111 and the moving contacts 110 which are located at the main cutting edge, the front angle and the blade inclination angle are measured by the right triangle Pythagorean theorem, a right angle side of the turning tool 4 is known, another right angle side of the turning tool 4 is measured by the matching of the moving contacts 110 and the pull sensor 112, the Pythagorean theorem is utilized, the principle of solving the acute angle by the two right angle sides is known, the front angle and the blade inclination angle can be obtained, and the angle of the rear angle can also be obtained by the method.
(2) Relief angle measurement
The turning tool 4 is placed on the turning tool holder 3, and the turning tool 4 is aligned with the positioned right-angle plate 10. The turning tool 4 is pressed tightly by the first cylinder 5, and the 1 moving contact 110 and the 1 static contact 111 of the rear angle measuring component 13 are driven by the fourth cylinder 14 to move back and forth. The measurement principle is that the fixed contact 110 is not moved after being in close contact with a certain point of the main cutting edge, the movable contact 110 extends until the fixed contact is in contact with a certain point of the main rear cutter face, the extension of the movable contact 110 is measured by the pull sensor 112, the linear displacement of the movable contact 110 and the fixed contact 111 is measured by the pull sensor 112 at the moment, the parallel distance between the movable contact 110 and the fixed contact 111 is known, so that 1 right-angled triangle is formed by the linear displacement of the two contacts, the space parallel distance between the movable contact and the fixed contact and the extension of the movable contact 110, and the size of the rear angle can be calculated through the pythagorean theorem of the right-angled triangle. The rear angle is measured by contacting the main rear cutter face, and the result is displayed on a display screen.
The measured results can be stored in a computer, and the data measured by a common instrument and the data obtained by automatic measurement can be compared on the computer to analyze the measured results. And drawing a measurement angle graph.
The utility model discloses mainly measure the concrete structure of research to lathe tool rake angle, sword inclination, relief angle, if need measure other angles and only do some adjustments with the structure of present design can. Therefore, the utility model is simple, feasible, flexible and highly universal, and is suitable for the actual application of the teaching of the department and the factories and enterprises.
Claims (2)
1. Lathe tool front and back angle and sword inclination automatic measuring instrument, its characterized in that: comprises a measuring instrument base (1); the four corners of measuring apparatu base (1) is equipped with the shoulder hole that is used for installing bottom pillar (2), install on measuring apparatu base (1) on the fixed shell, install lathe tool holder (3) that are used for putting lathe tool (4) on measuring apparatu base (1), lathe tool holder (3) are the cuboid spare, lathe tool (4) put the back position unadjustable, still install first L type plate (5) on measuring apparatu base (1), first L type plate (5) upper portion salient is fixed with first cylinder (6), install the clamp plate that is used for fixed pressing lathe tool (4) on the push pedal of first cylinder (6), still install second L type plate (7) on measuring apparatu base (1), install second cylinder (8) and third cylinder (9) on second L type plate (7), second cylinder (8) work end has right angle board (10) admittedly, the main cutting edge of the turning tool (4) is contacted with the side surface of the extending part of the right-angle plate (10), and the tool nose of the turning tool (4) is contacted with the right-angle line of the right-angle plate (10);
the working end of a third cylinder (9) is connected with a front angle and blade inclination angle measuring component (11), the front angle and blade inclination angle measuring component (11) is connected with a second L-shaped plate (7) in a sliding manner, the front angle and blade inclination angle measuring component (11) moves up and down along a guide rail under the driving of the third cylinder (9), the front angle and blade inclination angle measuring component (11) is driven by the third cylinder (9) to move up and down along the guide rail, two moving contacts (110) and one static contact (111) at the front end of a stay wire sensor (112) are contacted with a rake face, and the front angle and blade inclination angle measurement is completed;
the measuring instrument base (1) is further provided with a short L-shaped plate (12), a fourth cylinder (14) is fixedly connected onto the short L-shaped plate (12), the working end of the fourth cylinder (14) is connected with a rear angle measuring assembly (13), the rear angle measuring assembly (13) is in sliding connection with the short L-shaped plate (12), the rear angle measuring assembly (13) is driven by the fourth cylinder (14) to slide back and forth along the short L-shaped plate (12), contact between a moving contact (110) and a static contact (111) at the front end of a stay wire sensor (112) and a main rear knife face is achieved, and measurement of the rear angle is completed;
the display part comprises a display screen, a single chip microcomputer and an analog-digital conversion module, a stay wire sensor (112) is connected with the analog-digital conversion module, a digital-analog conversion switch, an electromagnetic valve on a first air cylinder (6), an electromagnetic valve on a second air cylinder (8), an electromagnetic valve on a third air cylinder (9) and an electromagnetic valve on a fourth air cylinder (14) are connected with the single chip microcomputer, and the single chip microcomputer is in communication connection with the display screen.
2. The automatic measuring instrument for the front and rear angles and the blade inclination angle of the turning tool according to claim 1, wherein: the front angle and blade inclination angle measuring assembly (11) comprises two moving contacts (110), a fixed contact (111), a stay wire sensor (112) and a sliding plate (113), the sliding plate (113) is slidably connected with the second L-shaped plate (7), a fixed seat (114) is installed at the lower end of the sliding plate (113), the stay wire sensor (112) is fixedly connected to the upper end of the sliding plate (113), the stay wire end of the stay wire sensor (112) is fixedly connected with the two moving contacts (110) slidably connected to the fixed seat (114), and the fixed contact (111) is fixedly connected to the lower end of the fixed seat (114); the rear angle measuring assembly (13) has the same structure as the front angle and edge inclination angle measuring assembly (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121417132.6U CN214666745U (en) | 2021-06-24 | 2021-06-24 | Automatic measurer for front and rear angle and edge inclination of turning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121417132.6U CN214666745U (en) | 2021-06-24 | 2021-06-24 | Automatic measurer for front and rear angle and edge inclination of turning tool |
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| Publication Number | Publication Date |
|---|---|
| CN214666745U true CN214666745U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121417132.6U Active CN214666745U (en) | 2021-06-24 | 2021-06-24 | Automatic measurer for front and rear angle and edge inclination of turning tool |
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| Country | Link |
|---|---|
| CN (1) | CN214666745U (en) |
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2021
- 2021-06-24 CN CN202121417132.6U patent/CN214666745U/en active Active
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