CN111001681A - Coaxiality automatic detection and deviation rectification mechanism based on magnetic flux change - Google Patents
Coaxiality automatic detection and deviation rectification mechanism based on magnetic flux change Download PDFInfo
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- CN111001681A CN111001681A CN201911388731.7A CN201911388731A CN111001681A CN 111001681 A CN111001681 A CN 111001681A CN 201911388731 A CN201911388731 A CN 201911388731A CN 111001681 A CN111001681 A CN 111001681A
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- jaw chuck
- coaxiality
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- 230000007246 mechanism Effects 0.000 title claims abstract description 63
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 230000004907 flux Effects 0.000 title claims abstract description 14
- 230000008859 change Effects 0.000 title claims abstract description 11
- 238000012937 correction Methods 0.000 claims abstract description 18
- 238000007689 inspection Methods 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 238000012800 visualization Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
- G01B7/31—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B7/312—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a coaxiality automatic detection and correction mechanism based on magnetic flux change, which belongs to the technical field of detection equipment and mainly comprises a workbench, a clamping and rotating mechanism, a detection mechanism, a correction mechanism and a PC (personal computer) end control mechanism. When a shaft to be detected passes through the area where the sensor is located, due to the fact that coaxiality errors can cause changes of magnetic fluxes, the sensor records magnetic flux change data and transmits the magnetic flux change data back to the PC end control mechanism, the position of a corresponding workpiece is detected when the magnetic fluxes change, the PC end control mechanism controls the three-jaw chuck to transfer the recorded magnetic flux change position of the workpiece to the deviation correcting mechanism, and the pressure head presses downwards, so that the purposes of automatic detection and deviation correction of the coaxiality are achieved. But this device automated inspection axle type part's axiality error and realize rectifying automatically through PC control mechanism, have simple structure, easy operation, advantage such as efficient to and fine visualization and practicality, can effectively reduce staff's working strength.
Description
Technical Field
The invention belongs to the technical field of detection equipment, and particularly relates to an automatic coaxiality detection and correction mechanism.
Background
The coaxiality indicates a degree of deviation of the axis of the measured part from a reference axis, that is, a coaxial degree.
With the vigorous development of the mechanical industry, the qualification rate of shaft part products is always the key point of enterprise attention. In the field of machinery, coaxiality detection is usually required to be performed on parts, however, most of detection methods for coaxiality of parts in factories for large-scale production of shaft parts at the present stage are meter printing methods, the techniques of related operators are closely related, the efficiency is low, the accuracy is poor, the working strength of the operators is high, and particularly in batch production, the meter printing methods influence the production efficiency and have certain limitations.
Disclosure of Invention
Aiming at the problems of low efficiency, poor accuracy and the like in the existing manual detection technology, the invention provides the automatic coaxiality detection and correction mechanism which can finish the automatic detection and correction of the coaxiality of most shaft parts, adopts the PC end to control the movement of the workbench and the pressure head, has high precision, simple operation and good controllability, improves the accuracy of the coaxiality detection and correction result of shaft parts by a manufacturer, is favorable for improving the quality of a product and improves the production efficiency.
The present invention achieves the above-described object by the following technical means.
An automatic coaxiality detection and correction mechanism adopts the technical scheme that the mechanism comprises a workbench, a clamping and rotating mechanism, a detection mechanism, a correction mechanism and a PC (personal computer) end control mechanism; the clamping and rotating mechanism comprises a three-jaw chuck, a driving motor I and a three-jaw chuck base, is used for positioning and clamping a workpiece and is responsible for movement of the workpiece in a detection stage; the detection mechanism comprises a sensor bracket and a sensor, is used for detecting and recording the coaxiality error of the workpiece, and transmits a signal to the PC end; the deviation correcting mechanism comprises a pressure head connecting rod, a pressure head and a pressure head supporting plate and is used for detecting the deviation correcting work of the finished workpiece;
in the scheme, the number of the clamping and rotating mechanisms is 2, and the clamping and rotating mechanisms comprise three-jaw chucks, driving motors I and three-jaw chuck bases; the three-jaw chuck base is fixed on the workbench through double rows of guide rails and can do linear motion on the workbench; the driving motor I is fixedly connected to the three-jaw chuck base through a bolt; the three-jaw chuck is connected with the driving motor I through a bolt, and the starting and stopping of the pressure head connecting rod are controlled by the PC end control mechanism.
In the above scheme, the detection mechanism comprises a sensor support and a sensor, the sensor is fixed on the sensor support through bolt connection and is connected with the PC end control mechanism through a data line, the sensor support is fixed on the workbench through symmetrically distributed bolts, and a component capable of generating a magnetic field is arranged on the sensor support.
In the scheme, the pressure head and the pressure head connecting rod are connected through the bolt, the tail end of the pressure head connecting rod is matched with the groove in the pressure head supporting plate, the pressure head can integrally move up and down in a reciprocating mode along the groove direction, the pressure head connecting rod is started and stopped by the PC end through the driving motor III, and the pressure head supporting plate is welded on the workbench.
In the above scheme, the coaxiality detection devices are all arranged on the workbench.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can be used for automatically detecting the coaxiality error generated in the reprocessing process of the shaft parts, automatically corrects the detected error, and avoids manual error as workers only need to complete the feeding and discharging operation.
2. The invention has the advantages of simple structure, easy operation, high working efficiency, no requirements on the parameters of parts needing to be detected and strong universality.
3. The invention adopts the detection of the magnetic flux change to detect the position of the coaxiality error, and the detection precision can reach 0.1mm and is higher than other detection devices of the same type.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
In the figure:
1-workbench, 2-double-row guide rails, 3-pressure head support plate, 4-groove, 5-pressure head connecting rod, 6-pressure head, 7-three-jaw chuck, 8-driving motor I, 9-three-jaw chuck base, 10-sensor support, 11-sensor, 12-bolt, 13-initial point, 14-end point, 15-PC control mechanism, 16-driving motors III, 17-workpiece and 18-driving motor II.
Detailed Description
The invention will be further described with reference to the following figures and specific examples, but the scope of the invention is not limited thereto.
As shown in fig. 1 and 2, an automatic coaxiality detection and correction mechanism comprises a workbench 1, a clamping and rotating mechanism, a detection mechanism, a correction mechanism and a PC end control mechanism 15; the clamping and rotating mechanism comprises a three-jaw chuck 7, a driving motor I and a three-jaw chuck base 9, is used for positioning and clamping a workpiece and is responsible for movement of the workpiece in a detection stage; the detection mechanism comprises a sensor bracket 10 and a sensor 11, is used for detecting and recording the coaxiality error of the workpiece, and transmits a signal to a PC end control mechanism 15; the deviation correcting mechanism comprises a pressure head connecting rod 5, a pressure head 6 and a pressure head supporting plate 3 and is used for detecting the deviation correcting work of the finished workpiece; the number of the clamping and rotating mechanisms is 2, and the clamping and rotating mechanisms comprise three-jaw chucks 7, driving motors I and three-jaw chuck bases 9; the three-jaw chuck base 9 is fixed on the workbench 1 through the double-row guide rail 2 and can do linear motion on the workbench 1; the driving motor I is fixedly connected with the three-jaw chuck base 9 through bolts; the three-jaw chuck 7 is connected with the driving motor I through a bolt, and the starting and stopping of the pressure head connecting rod 5 are controlled by the PC end control mechanism 15; the detection mechanism comprises a sensor support 10 and a sensor 11, the sensor 11 is fixedly connected to the sensor support 10 through bolts and is connected to a PC end control mechanism through a data line, the sensor support 10 is fixedly arranged on the workbench 1 through symmetrically distributed bolts 12, and a component capable of generating a magnetic field is arranged on the sensor support; the pressing head 6 is connected with one end of a pressing head connecting rod 5 through a bolt, the other end of the pressing head connecting rod 5 is matched with a groove in a pressing head supporting plate 3, so that the pressing head can reciprocate up and down along the direction of the groove, the pressing head connecting rod 5 is controlled by a PC end control mechanism 15 through a driving motor III, and the pressing head supporting plate 3 is welded on the workbench 1; the coaxiality detection device is arranged on the workbench 1.
The invention relates to a coaxiality automatic detection and correction mechanism, which comprises the following specific working processes:
1) clamping and fixing a workpiece 17 to be processed by two three-jaw chucks distributed on the double-row guide rail 2, and returning the three-jaw chucks to the initial point 13;
2) the device starts to operate, the three-jaw chuck 7 starts to rotate under the action of the driving motor I, and the three-jaw chuck base 9 moves linearly along the direction of the double-row guide rail 2 under the action of the driving motor II and slowly passes through a magnetic field generated below the sensor bracket 10;
3) due to coaxiality errors, different magnetic flux changes are caused when different positions of the workpiece 17 pass through a magnetic field, the three-jaw chuck stops when running to the termination point 14, the workpiece 17 passes through the magnetic field completely, and the change is converted into a signal by the sensor 11 and transmitted to the PC-end control mechanism 15 through a data line;
4) the PC end control mechanism 15 reversely pushes out the position with the maximum workpiece coaxiality error according to the change and the positions of the starting point 13 and the ending point 14, controls the three-jaw chuck base 9 to convey the position to the position under the pressure head 6, starts the driving motor III, and presses down the pressure head 6 to finish the deviation correction work of the workpiece;
5) after the correction work is finished, the workpiece 17 is taken down from the three-jaw chuck 7, and a new workpiece is clamped to perform the detection and correction of the next workpiece.
The present invention is not limited to the above-described embodiments, and any obvious modification, replacement or variation which can be made by those skilled in the art without departing from the spirit of the present invention falls within the scope of the present invention.
Claims (5)
1. The utility model provides a axiality automated inspection and mechanism of rectifying based on magnetic flux changes, includes workstation (1), its characterized in that still includes the centre gripping rotary mechanism, detection mechanism and the mechanism of rectifying of being connected with PC end control mechanism (15) signal control, centre gripping rotary mechanism includes three-jaw chuck (7), driving motor I (8) and three-jaw chuck base (9), detection mechanism includes sensor support (10) and sensor (11), the mechanism of rectifying include pressure head connecting rod (5), pressure head (6) and pressure head backup pad (3).
2. The automatic coaxiality detecting and correcting mechanism is characterized in that 2 clamping and rotating mechanisms with the same structure are arranged on the same axial lead and are arranged at the position matched with the length of a workpiece (17), the three-jaw chuck base (9) is fixed on the workbench (1) through double rows of guide rails (2), and the driving motor I (8) is fixed on the three-jaw chuck base (9) through bolt connection; the three-jaw chuck (7) is connected with the driving motor I (8) through a bolt.
3. The automatic coaxiality detecting and correcting mechanism according to claim 1, wherein the detecting mechanism comprises a sensor support (10) and a sensor (11), the sensor (11) is fixedly arranged on the sensor support (10) through bolt connection, the sensor support (10) is fixed on the workbench (1) through symmetrically distributed bolts (12), and a component for generating a magnetic field is arranged on the sensor support (11).
4. The automatic coaxiality detecting and correcting mechanism is characterized in that a pressure head (6) is connected with one end of a pressure head connecting rod (5) through a bolt, the other end of the pressure head connecting rod (5) is matched with a groove (4) in a pressure head supporting plate (3), so that the whole pressure head can reciprocate up and down along the direction of the groove (4), the pressure head connecting rod (5) is in signal control connection with a PC (personal computer) end control mechanism (15) through a driving motor III (16), and the pressure head supporting plate (3) is fixedly welded on a workbench (1).
5. The automatic coaxiality detecting and correcting mechanism according to claim 1, wherein the automatic coaxiality detecting and correcting process comprises the following steps:
1) clamping and fixing a workpiece (17) to be processed through two three-jaw chucks distributed on the double-row guide rail (2), and returning the three-jaw chucks to a starting point (13);
2) the device starts to operate, the three-jaw chuck (7) starts to rotate under the action of the driving motor I (8), and the three-jaw chuck base (9) moves linearly along the direction of the double-row guide rail (2) under the action of the driving motor II (18) and slowly passes through the sensor bracket (10);
3) due to coaxiality errors, different magnetic flux changes are caused when different positions of the workpiece (17) pass through the sensor bracket (10), the three-jaw chuck stops when running to the termination point (14), the workpiece (17) passes through a magnetic field completely, and the sensor (11) converts the magnetic flux changes into electric signals which are transmitted to the PC end control mechanism (15) through a data line;
4) the PC end control mechanism (15) calculates the position with the largest workpiece coaxiality error according to the magnetic flux change and the positions of the starting point (13) and the ending point (14), a driving motor II (18) is started, the three-jaw chuck base (9) conveys the position to the position right below the pressure head (6), a driving motor III (16) is started, and the pressure head (6) is pressed down to finish the deviation correction work of the workpiece;
5) and after the correction work is finished, the workpiece (17) is taken down from the three-jaw chuck (7), and a new workpiece is clamped to perform the next workpiece detection and correction.
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| CN201911388731.7A CN111001681A (en) | 2019-12-30 | 2019-12-30 | Coaxiality automatic detection and deviation rectification mechanism based on magnetic flux change |
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| CN201911388731.7A CN111001681A (en) | 2019-12-30 | 2019-12-30 | Coaxiality automatic detection and deviation rectification mechanism based on magnetic flux change |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113124776A (en) * | 2021-04-16 | 2021-07-16 | 彭美芬 | Detection method based on automatic detection robot for surface of vehicle half shaft |
| CN115235333A (en) * | 2022-09-22 | 2022-10-25 | 徐州方达电机有限公司 | Main shaft dynamic eccentricity testing device based on induced current |
| CN118268417A (en) * | 2024-05-30 | 2024-07-02 | 哈尔滨商业大学 | Straightening machine for metal tube processing |
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