CN211178352U - Inertia friction welding axiality precision detection device - Google Patents
Inertia friction welding axiality precision detection device Download PDFInfo
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- CN211178352U CN211178352U CN201921578688.6U CN201921578688U CN211178352U CN 211178352 U CN211178352 U CN 211178352U CN 201921578688 U CN201921578688 U CN 201921578688U CN 211178352 U CN211178352 U CN 211178352U
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Abstract
The utility model relates to an inertia friction welding axiality precision detection device, the first laser range finder 3 of main shaft, main shaft second laser range finder 4, the first laser range finder 5 of tailstock and tailstock second laser range finder 6 can be rotatory around main shaft work piece and tailstock work piece respectively under the drive of first servo motor 14, measure the coordinate value of three points of different angles on the main shaft work piece and the coordinate value of three points of different angles on the tailstock work piece respectively in rotatory process, the centre of a circle coordinate value of main shaft work piece is calculated according to the three point coordinate value of the main shaft work piece of surveying again respectively, calculate the three point centre of a circle coordinate value of tailstock work piece according to the coordinate value of the tailstock work piece of surveying; the coaxiality deviation of the spindle workpiece and the tailstock workpiece can be obtained by comparing the coordinate value of the circle center of the spindle workpiece with the coordinate value of the circle center of the tailstock workpiece.
Description
Technical Field
The utility model relates to an inertia friction welding axiality precision measurement device.
Background
Friction welding, which is a method for welding by using heat generated by friction of a contact surface of a workpiece as a heat source to enable the workpiece to generate plastic deformation under the action of pressure, has wide engineering application in the fields of aviation, aerospace, automobiles, ships, petrochemical industry, engineering machinery and the like. Due to the influences of factors such as the precision and the rigidity of the friction welding machine, the precision and the rigidity of the clamp, the size precision of the workpiece, the material characteristics and the like, the main shaft workpiece and the tailstock workpiece are clamped on the main shaft clamp and the tailstock clamp of the welding machine, and a certain coaxiality precision deviation exists between the two workpieces. The coaxiality precision deviation has an important influence on the precision of the workpiece after welding, and particularly for aviation and aerospace parts with high requirement on the coaxiality precision after welding, the product quality problem can be directly caused by the large coaxiality precision deviation before welding. The method has the advantages that the method detects the coaxiality precision of the friction welding workpiece before welding, and has decisive significance for improving the friction welding precision and ensuring the welding quality of engineering parts.
At present, most of coaxiality detection methods are dial indicator detection, and no special detector device is provided. The dial indicator can have certain errors in detection, and if a large workpiece is detected, time and labor are wasted, and accurate measurement of the pre-welding coaxiality precision of the welded workpiece cannot be realized.
Disclosure of Invention
The utility model aims at providing a detect the precision height, work efficiency has the inertia friction weld axiality precision detection device that responds the improvement, realizes the pre-weld axiality precision detection to friction weld main shaft work piece and tailstock work piece. The utility model adopts the following technical proposal: an inertia friction welding coaxiality precision detection device is composed of a main shaft workpiece 1, a tailstock workpiece 2, a main shaft first laser range finder 3, a main shaft second laser range finder 4, a tailstock first laser range finder 5, a tailstock second laser range finder 6, an inclination angle sensor 7, a first sensor mounting arm 8, a second sensor mounting arm 9, a worm gear transmission mechanism 10, a first slide block 11, a second slide block 12, a third slide block 13, a first servo motor 14, a second servo motor 15, a third servo motor 16, a fourth servo motor 17, a first ball screw 18, a second ball screw 19 and a third ball screw 20; the main shaft workpiece 1 and the tailstock workpiece 2 are fixed on a body of an inertia friction welding machine by a chuck, a main shaft first laser range finder 3, a main shaft second laser range finder 4 and an inclination angle sensor 7 are arranged on a first sensor mounting arm 8 in a mechanical connection mode, a tailstock first laser range finder 5 and a tailstock second laser range finder 6 are arranged on a second sensor mounting arm 9 in a mechanical connection mode, a first servo motor 14, a first sensor mounting arm 8 and a second sensor mounting arm 9 are arranged on a first sliding block 11 in a mechanical connection mode through a worm gear and worm transmission mechanism 10, the first sliding block 11 is assembled on a first ball screw 18, the first ball screw 18 is connected with an output shaft of a second servo motor 15, the second servo motor 15 and the first ball screw 18 are arranged on a second sliding block 12 in a mechanical connection mode, the second sliding block 12 is arranged on a second ball screw 19, the second ball screw 19 is connected with an output shaft of the third servo motor 16, the second ball screw 19 and the third servo motor 16 are installed on the third sliding block 13 in a mechanical connection mode, the third sliding block 13 is installed on the third ball screw 20, and the third ball screw 20 is connected with an output shaft of the fourth servo motor 17.
The utility model discloses install theory of operation:
an inertia friction welding coaxiality precision detection device is composed of a main shaft workpiece 1, a tailstock workpiece 2, a main shaft first laser range finder 3, a main shaft second laser range finder 4, a tailstock first laser range finder 5, a tailstock second laser range finder 6, an inclination angle sensor 7, a first sensor mounting arm 8, a second sensor mounting arm 9, a worm gear transmission mechanism 10, a first slide block 11, a second slide block 12, a third slide block 13, a first servo motor 14, a second servo motor 15, a third servo motor 16, a fourth servo motor 17, a first ball screw 18, a second ball screw 19 and a third ball screw 20; the main shaft workpiece 1 and the tailstock workpiece 2 are fixed on a body of an inertia friction welding machine by a chuck, a main shaft first laser range finder 3, a main shaft second laser range finder 4 and an inclination angle sensor 7 are arranged on a first sensor mounting arm 8 in a mechanical connection mode, a tailstock first laser range finder 5 and a tailstock second laser range finder 6 are arranged on a second sensor mounting arm 9 in a mechanical connection mode, a first servo motor 14, a first sensor mounting arm 8 and a second sensor mounting arm 9 are arranged on a first sliding block 11 in a mechanical connection mode through a worm gear and worm transmission mechanism 10, the first sliding block 11 is assembled on a first ball screw 18, the first ball screw 18 is connected with an output shaft of a second servo motor 15, the second servo motor 15 and the first ball screw 18 are arranged on a second sliding block 12 in a mechanical connection mode, the second sliding block 12 is arranged on a second ball screw 19, the second ball screw 19 is connected with an output shaft of the third servo motor 16, the second ball screw 19 and the third servo motor 16 are installed on the third sliding block 13 in a mechanical connection mode, the third sliding block 13 is installed on the third ball screw 20, and the third ball screw 20 is connected with an output shaft of the fourth servo motor 17.
The utility model discloses install technical effect:
by adopting the device scheme, the coaxiality precision of the main shaft workpiece and the tailstock workpiece can be detected for inertia friction welding. The commonly used method for measuring the coaxiality of the spindle workpiece and the tailstock workpiece at present comprises the following steps: through fixing a percentage table on the main shaft chuck, the percentage table gauge outfit is beaten on the tailstock work piece, through when the artifical rotatory main shaft, reads the numerical value of beating the percentage table on the tailstock work piece many times respectively, judges the deviation size, because the artifical numerical value that reads the percentage table has certain error, so the multiple spot is measured the back error and can be bigger, because main shaft inertia is very big moreover, the manual work rotates the main shaft also very hard time-consuming.
The utility model discloses a three linear motion servo motor and a rotatory servo motor drive two laser range finders, carry out non-contact measurement to main shaft work piece and tailstock work piece, only need let main shaft laser range finding sensor and tailstock laser range finding sensor respectively around the main shaft work piece and the rotatory centre of a circle coordinate that can confirm main shaft work piece and tailstock work piece of tailstock work piece to reach the deviation value of main shaft work piece and tailstock work piece.
Drawings
Fig. 1 is a front view of the structure of the present invention.
FIG. 2 is a top view of the present invention
FIG. 3 is a schematic diagram of a circle center calculation measurement
FIG. 4 Right side view of the spindle workpiece
FIG. 5 right side view of a tailstock workpiece
The specific implementation mode is as follows:
as shown in fig. 1, an inertia friction welding coaxiality precision detection device is composed of a main shaft workpiece 1, a tailstock workpiece 2, a main shaft first laser range finder 3, a main shaft second laser range finder 4, a tailstock first laser range finder 5, a tailstock second laser range finder 6, an inclination angle sensor 7, a first sensor mounting arm 8, a second sensor mounting arm 9, a worm gear transmission mechanism 10, a first slider 11, a second slider 12, a third slider 13, a first servo motor 14, a second servo motor 15, a third servo motor 16, a fourth servo motor 17, a first ball screw 18, a second ball screw 19 and a third ball screw 20; the main shaft workpiece 1 and the tailstock workpiece 2 are fixed on a body of an inertia friction welding machine by a chuck, a main shaft first laser range finder 3, a main shaft second laser range finder 4 and an inclination angle sensor 7 are arranged on a first sensor mounting arm 8 in a mechanical connection mode, a tailstock first laser range finder 5 and a tailstock second laser range finder 6 are arranged on a second sensor mounting arm 9 in a mechanical connection mode, the laser range finder 3, the main shaft second laser range finder 4, the inclination angle sensor 7, the tailstock first laser range finder 5 and the tailstock second laser range finder 6 can respectively rotate around the main shaft workpiece and the tailstock workpiece under the drive of a first servo motor 14 for measurement, the first servo motor 14 is arranged on a first slide block 11 through a worm gear transmission mechanism 10 and the first sensor mounting arm 8 and the second sensor mounting arm 9 in a mechanical connection mode, the first slide block 11 is assembled on a first ball screw 18, the first ball screw 18 is connected with an output shaft of the second servo motor 15, the second servo motor 15 and the first ball screw 18 are installed on the second slider 12 in a mechanical connection mode, the second slider 12 is installed on the second ball screw 19, the second ball screw 19 is connected with an output shaft of the third servo motor 16, the second ball screw 19 and the third servo motor 16 are installed on the third slider 13 in a mechanical connection mode, the third slider 13 is installed on the third ball screw 20, the third ball screw 20 is connected with an output shaft of the fourth servo motor 17, and the laser measuring sensor can move in the spatial horizontal direction and the vertical direction under the driving of the second servo motor 15, the third servo motor 16 and the fourth servo motor 17.
2. Fig. 2 is a top view of the structure of the present invention.
The device is composed of a main shaft workpiece 1, a tailstock workpiece 2, a main shaft first laser range finder 3, a main shaft second laser range finder 4, a tailstock first laser range finder 5, a tailstock second laser range finder 6, an inclination angle sensor 7, a first sensor mounting arm 8, a second sensor mounting arm 9, a worm gear transmission mechanism 10, a first slider 11, a second slider 12, a third slider 13, a first servo motor 14, a second servo motor 15, a third servo motor 16, a fourth servo motor 17, a first ball screw 18, a second ball screw 19 and a third ball screw 20; the main shaft workpiece 1 and the tailstock workpiece 2 are fixed on a body of an inertia friction welding machine by a chuck, a main shaft first laser range finder 3, a main shaft second laser range finder 4 and an inclination angle sensor 7 are arranged on a first sensor mounting arm 8 in a mechanical connection mode, a tailstock first laser range finder 5 and a tailstock second laser range finder 6 are arranged on a second sensor mounting arm 9 in a mechanical connection mode, the laser range finder 3, the main shaft second laser range finder 4, the inclination angle sensor 7, the tailstock first laser range finder 5 and the tailstock second laser range finder 6 can respectively rotate around the main shaft workpiece and the tailstock workpiece under the drive of a first servo motor 14 for measurement, the first servo motor 14 is arranged on a first slide block 11 through a worm gear transmission mechanism 10 and the first sensor mounting arm 8 and the second sensor mounting arm 9 in a mechanical connection mode, the first slide block 11 is assembled on a first ball screw 18, the first ball screw 18 is connected with an output shaft of the second servo motor 15, the second servo motor 15 and the first ball screw 18 are installed on the second slider 12 in a mechanical connection mode, the second slider 12 is installed on the second ball screw 19, the second ball screw 19 is connected with an output shaft of the third servo motor 16, the second ball screw 19 and the third servo motor 16 are installed on the third slider 13 in a mechanical connection mode, the third slider 13 is installed on the third ball screw 20, the third ball screw 20 is connected with an output shaft of the fourth servo motor 17, and the laser measuring sensor can move in the spatial horizontal direction and the vertical direction under the driving of the second servo motor 15, the third servo motor 16 and the fourth servo motor 17.
3. FIG. 3 is a measurement schematic diagram of the calculation of the center of a circle.
In the figure, the excircle of a dotted line is a circle formed by the motion trail of the laser sensor, the inner circle of a solid line is a surface circle of a workpiece, R is the radius of the motion trail of the laser sensor, and R is1The radius of the workpiece and the rotation of the laser sensor around the workpiece are respectively selected from A11、B11And C11Three characteristic points, the included angles α and β between the three characteristic points and the X coordinate axis can be read by a servo motor according to the measured value of the laser range finder, the rotating radius of the laser range finder, the radius of the workpiece and A11、B11And C11The included angles of the three characteristic points and the coordinate axis can be calculated to obtain three characteristic points A11、B11And C11And calculating the coordinate value of the circle center of the workpiece according to the coordinate values of the three characteristic points in the coordinate system.
Fig. 4 right side view of the spindle workpiece.
The first laser sensor 3 and the second laser sensor 4 are driven by the first sensor mounting arm 8 to rotate around the main shaft workpiece 1 for measurement so as to calculate the coordinate value of the circle center of the main shaft workpiece 1.
Fig. 5 right side view of the tailstock workpiece.
The third laser sensor 5 and the fourth laser sensor 6 are driven by the second sensor mounting arm 9 to rotate around the tailstock workpiece 2 for measurement, so as to calculate the coordinate value of the circle center of the tailstock workpiece 2.
As shown in fig. 4, the device is composed of a spindle workpiece 1, a tailstock workpiece 2, a first laser distance meter 3 for spindle, a second laser distance meter 4 for spindle, as shown in fig. 5, a first laser distance meter 5 for tailstock, a second laser distance meter 6 for tailstock, an inclination angle sensor 7, a first sensor mounting arm 8, a second sensor mounting arm 9, a worm gear transmission mechanism 10, as shown in fig. 1, a first slider 11, a second slider 12, a third slider 13, a first servo motor 14, a second servo motor 15, a third servo motor 16, a fourth servo motor 17, a first ball screw 18, a second ball screw 19, and a third ball screw 20; a main shaft workpiece 1 and a tailstock workpiece 2 are fixed on a body of an inertia friction welding machine by a chuck, a main shaft first laser range finder 3, a main shaft second laser range finder 4 and an inclination angle sensor 7 are arranged on a first sensor mounting arm 8 in a mechanical connection mode, a tailstock first laser range finder 5 and a tailstock second laser range finder 6 are arranged on a second sensor mounting arm 9 in a mechanical connection mode, as shown in figure 2, a first servo motor 14 is arranged on a first sliding block 11 in a mechanical connection mode through a worm gear transmission mechanism 10, the first sensor mounting arm 8 and the second sensor mounting arm 9, the first sliding block 11 is assembled on a first ball screw 18, the first ball screw 18 is connected with an output shaft of a second servo motor 15, the second servo motor 15 and the first ball screw 18 are arranged on a second sliding block 12 in a mechanical connection mode, the second sliding block 12 is arranged on a second ball screw 19, the second ball screw 19 is connected with an output shaft of the third servo motor 16, the second ball screw 19 and the third servo motor 16 are installed on the third sliding block 13 in a mechanical connection mode, the third sliding block 13 is installed on the third ball screw 20, and the third ball screw 20 is connected with an output shaft of the fourth servo motor 17.
The first laser distance measuring instrument 3 of the main shaft, the second laser distance measuring instrument 4 of the main shaft and the tilt angle sensor can rotate around the main shaft workpiece 1 by moving the second servo motor 15, the third servo motor 16 and the fourth servo motor 17, and the main shaft workpiece is positioned in the distance measuring range of the laser distance measuring sensor, so that the tail part of the main shaft workpiece is positioned in the distance measuring range of the laser distance measuring sensorThe method comprises the steps of rotating a first laser range finder 5 and a tailstock second laser range finder 6 around a tailstock workpiece 2, enabling the tailstock workpiece to be in a range of a laser range finder sensor, rotating a first servo motor 14, obtaining end jump deviation of a spindle workpiece and the tailstock workpiece through reading deviation of a spindle second laser range finder 4 and the tailstock second laser range finder 6, adjusting the spindle workpiece 1 and the tailstock workpiece 2 to enable welding surfaces of the spindle workpiece and the tailstock workpiece to be parallel, rotating the first servo motor 14, enabling the spindle first laser range finder 3 to irradiate the spindle workpiece in a vertical direction by judging the value of an inclination angle sensor 7, setting a vertical coordinate system by taking the circle center of a rotating track of the spindle first laser range finder 3 as an origin as shown in figure 3, setting a vertical direction as a Y axis by taking a horizontal direction as an X axis, rotating the first servo motor 14, respectively recording values n12 and C2 of n12 of a measuring point A11 of a 90 DEG measuring point B11 and n11 5 of a measuring point C2 of a measuring point B11, then finding a maximum value n 733 of a rotating the spindle first laser range finder 14, and recording a maximum value of a spindle diameter of a spindle R2 of a spindle workpiece (R) of a spindle workpiece and a spindle rotating a spindle workpiece 2) by adding a spindle R2, and recording a maximum value of a spindle diameter of a spindle rotating a spindle 2 of a spindle 2 and a spindle 2 of a spindle (R38) of a spindle workpiece and a spindle 2) and a spindle workpiece 2, and recording a spindle rotating a spindle workpiece by recording a spindle 2, and a spindle rotating a spindle 2, and a spindle rotating a spindle 2, and a spindle rotating a spindle 2, and a spindle rotating a spindle],C11[-(R-n13))COS330°，-(R-n13)sin330°]From geometric knowledge, it is known that three points not on the same straight line define a circle, and the center coordinates of the principal axes defined by the three points A11, B11 and C11 are assumed to be O1(X1,Y1) The circle center coordinate of the tailstock determined by the same method is O2(X2,Y2) The deviation between the spindle and the tailstock in the X-axis direction is (X)1-X2) The deviation between the main shaft and the tailstock in the Y-axis direction is (Y)1-Y2)。
Claims (1)
1. The utility model provides an inertia friction welding axiality precision measurement, characterized by: the device is composed of a main shaft workpiece (1), a tailstock workpiece (2), a main shaft first laser range finder (3), a main shaft second laser range finder (4), a tailstock first laser range finder (5), a tailstock second laser range finder (6), an inclination angle sensor (7), a first sensor mounting arm (8), a second sensor mounting arm (9), a worm gear transmission mechanism (10), a first slider (11), a second slider (12), a third slider (13), a first servo motor (14), a second servo motor (15), a third servo motor (16), a fourth servo motor (17), a first ball screw (18), a second ball screw (19) and a third ball screw (20); a main shaft workpiece (1) and a tailstock workpiece (2) are fixed on a body of an inertia friction welding machine tool through a chuck, a first main shaft laser range finder (3), a second main shaft laser range finder (4) and an inclination angle sensor (7) are installed on a first sensor installation arm (8) in a mechanical connection mode, a first tailstock laser range finder (5) and a second tailstock laser range finder (6) are installed on a second sensor installation arm (9) in a mechanical connection mode, a first servo motor (14) is installed on a first sliding block (11) in a mechanical connection mode through a worm gear and worm transmission mechanism (10) and a first sensor installation arm (8) and a second sensor installation arm (9), the first sliding block (11) is assembled on a first ball screw (18), the first ball screw (18) is connected with an output shaft of a second servo motor (15), the second servo motor (15) and the first ball screw (18) are installed on a second sliding block (12) in a mechanical connection mode, the second sliding block (12) is installed on a second ball screw (19), the second ball screw (19) is connected with an output shaft of a third servo motor (16), the second ball screw (19) and the third servo motor (16) are installed on the third sliding block (13) in a mechanical connection mode, the third sliding block (13) is installed on a third ball screw (20), and the third ball screw (20) is connected with an output shaft of a fourth servo motor (17).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921578688.6U CN211178352U (en) | 2019-09-23 | 2019-09-23 | Inertia friction welding axiality precision detection device |
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| CN201921578688.6U CN211178352U (en) | 2019-09-23 | 2019-09-23 | Inertia friction welding axiality precision detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063546A (en) * | 2021-03-26 | 2021-07-02 | 河南科技大学 | Method, device and system for measuring movement locus of mass center of bearing retainer |
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- 2019-09-23 CN CN201921578688.6U patent/CN211178352U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063546A (en) * | 2021-03-26 | 2021-07-02 | 河南科技大学 | Method, device and system for measuring movement locus of mass center of bearing retainer |
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