CN209978840U - Friction welding coaxiality precision detection device - Google Patents
Friction welding coaxiality precision detection device Download PDFInfo
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- CN209978840U CN209978840U CN201920993316.3U CN201920993316U CN209978840U CN 209978840 U CN209978840 U CN 209978840U CN 201920993316 U CN201920993316 U CN 201920993316U CN 209978840 U CN209978840 U CN 209978840U
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- servo motor
- laser range
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- tailstock
- main shaft
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- 238000003466 welding Methods 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
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Abstract
The utility model relates to a friction welding axiality precision detection device, main shaft laser range finder 3 is installed on first linking arm 5, tailstock laser range finder 4 is installed on second linking arm 6, first servo motor 8 is connected with first linking arm 5 and second linking arm 6 through transmission shaft 11, can drag first linking arm 5 and second linking arm 6 to rotate simultaneously; the tilt angle sensor 15 installed on the first link arm 5 can ensure the tilt angles of the first link arm 5 and the second link arm 6, thereby ensuring that the spindle laser range finder 3 and the tailstock laser range finder 4 can scan in the horizontal and vertical directions, respectively. The utility model discloses only can confirm the centre of a circle coordinate of main shaft work piece and tailstock work piece at level and two perpendicular directions suitable distances of walking to reach the deviation value of main shaft work piece and tailstock work piece.
Description
Technical Field
The utility model relates to a friction welding axiality precision detection 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 relates to a friction welding axiality precision detection device realizes the pre-welding axiality precision detection to friction welding main shaft work piece and tailstock work piece. The utility model adopts the following technical proposal: the utility model provides a friction welding axiality precision detection device which characterized by: by main shaft work piece 1, tailstock work piece 2, main shaft laser range finder 3, tailstock laser range finder 4, first linking arm 5, second linking arm 6, first slider 7, first servo motor 8, first ball 9, second ball 10, transmission shaft 11, second servo motor 12, third servo motor 13, second slider 14, angular transducer 15, fourth servo motor 16, third ball 17 and third slider 18 constitute: the main shaft workpiece 1 and the tailstock workpiece 2 are fixed on a friction welding machine body through a chuck; the main shaft laser range finder 3 is arranged on the first connecting arm 5 in a mechanical connection mode, and the tailstock laser range finder 4 is arranged on the second connecting arm 6 in a mechanical connection mode; the first servo motor 8 is connected with the first connecting arm 5 and the second connecting arm 6 through a transmission shaft 11, and the first servo motor and the second connecting arm are both arranged on a first sliding block 7, the first sliding block 7 is assembled on a first ball screw 9, and the first ball screw 9 can be driven to rotate by a second servo motor 12; the second servo motor 12 and the first ball screw 9 are both arranged on a second slide block 14, the second slide block 14 is arranged on a second ball screw 10, and the second ball screw 10 can be driven to rotate by a third servo motor 13; the second ball screw 10 and the third servomotor 13 are both mounted on a third slider 18, the third slider 18 is mounted on a third ball screw 17, the third ball screw 17 is rotatably driven by a fourth servomotor 16, and the tilt sensor 15 is mounted on the first link arm 5.
The method for detecting the coaxiality precision of friction welding defines the positions of the fourth servo motor 16, the second servo motor 12 and the third servo motor 13 at the original points as the coordinate original points of a coordinate system; adjusting the first servo motor 8, and determining the positions of the spindle laser range finder 3 and the tailstock laser range finder 4 in the horizontal and vertical directions through the reading of the tilt sensor 15; after the main shaft laser range finder 3 is adjusted to be in the vertical direction, the main shaft laser range finder 3 is driven by a fourth servo motor 16, a second servo motor 12 and a third servo motor 13 to move in the X-axis direction, so that the main shaft laser range finder 3 scans and passes through the main shaft along the X-axis from the radial direction of the main shaft; then, the first servo motor 8 is rotated by 90 degrees, the main shaft laser range finder 3 is adjusted to be in the horizontal direction, and then the fourth servo motor 16, the second servo motor 12 and the third servo motor 13 drive the main shaft laser range finder to move in the Y-axis direction, so that the main shaft laser range finder 3 scans and passes through along the Y-axis from the main shaft radial direction; then, the tailstock workpiece is scanned by the tailstock laser range finder 4 in the same way; when the main shaft laser range finder 3 scans the main shaft workpiece along the X-axis direction, data of the laser range finder is collected in real time for comparison, when the minimum numerical value is collected, the laser range finder passes through the center of the main shaft workpiece, and the coordinate value of the X-axis direction is recorded at the moment, namely the coordinate value of the center of the main shaft workpiece in the X-axis direction. When the main shaft laser range finder 3 scans the main shaft workpiece along the Y-axis direction, data of the laser range finder is collected in real time for comparison, when the minimum numerical value is collected, the laser range finder passes through the center of the main shaft workpiece, and the coordinate value of the Y-axis direction is recorded at the moment, namely the coordinate value of the center of the main shaft workpiece in the Y-axis direction; when the tailstock laser range finder 4 scans the tailstock workpiece along the X-axis direction, data of the laser range finder is collected in real time for comparison, when the minimum numerical value is collected, the tailstock laser range finder 4 passes through the circle center of the tailstock workpiece at the moment, and the coordinate value of the X-axis direction is recorded at the moment, namely the coordinate value of the circle center of the tailstock workpiece in the X-axis direction; when the tailstock laser range finder 4 scans the tailstock workpiece along the Y-axis direction, data of the laser range finder is collected in real time for comparison, and when the minimum numerical value is collected, the laser range finder passes through the circle center of the tailstock workpiece at the moment, and the coordinate value in the Y-axis direction is recorded at the moment, namely the coordinate value of the circle center of the tailstock workpiece in the Y-axis direction; after the center coordinates of the spindle workpiece and the tailstock workpiece are respectively determined, the difference between the X coordinate and the Y coordinate of the spindle workpiece and the tailstock workpiece is respectively calculated, and the axis deviation value of the two workpieces can be obtained.
The utility model discloses install theory of operation:
the utility model discloses a laser range finder carries out the non-contact measurement to the centre of a circle position of main shaft work piece and tailstock work piece. The main shaft laser range finder 3 is arranged on the first connecting arm 5, the tailstock laser range finder 4 is arranged on the second connecting arm 6, and the first servo motor 8 is connected with the first connecting arm 5 and the second connecting arm 6 through the transmission shaft 11 and can drag the first connecting arm 5 and the second connecting arm 6 to rotate simultaneously; the tilt angle sensor 15 installed on the first link arm 5 can ensure the tilt angles of the first link arm 5 and the second link arm 6, thereby ensuring that the spindle laser range finder 3 and the tailstock laser range finder 4 can scan in the horizontal and vertical directions, respectively. After the angles of the spindle laser range finder 3 and the tailstock laser range finder 4 are properly adjusted, the spindle and the tailstock workpiece are dragged by the second servo motor 12, the third servo motor 13 and the fourth servo motor 16 to move in the X and Y directions shown in fig. 1.
The utility model discloses install technical effect:
by adopting the device scheme, the coaxiality precision of the spindle workpiece and the tailstock workpiece can be detected for 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 can confirm the centre of a circle coordinate of main shaft work piece and tailstock work piece at level and two perpendicular directions suitable distances of walking moreover 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 structure of the present invention.
Fig. 3 is a diagram of a horizontal motion track of the distance measuring sensor.
Fig. 4 is a diagram of a vertical motion track of the ranging sensor.
The specific implementation mode is as follows:
as shown in fig. 2, a friction welding coaxiality precision detection device is composed of a spindle workpiece 1, a tailstock workpiece 2, a spindle laser range finder 3, a tailstock laser range finder 4, a first connecting arm 5, a second connecting arm 6, a first slider 7, a first servo motor 8, a first ball screw 9, a second ball screw 10, a transmission shaft 11, a second servo motor 12, a third servo motor 13, a second slider 14, an inclination angle sensor 15, a fourth servo motor 16, a third ball screw 17 and a third slider 18.
The main shaft workpiece 1 and the tailstock workpiece 2 are fixed on a friction welding machine body through a chuck; the main shaft laser range finder 3 is arranged on the first connecting arm 5 in a mechanical connection mode, and the tailstock laser range finder 4 is arranged on the second connecting arm 6 in a mechanical connection mode; the first servo motor 8 is connected with the first connecting arm 5 and the second connecting arm 6 through a transmission shaft 11, and the first servo motor and the second connecting arm are both arranged on a first sliding block 7, the first sliding block 7 is assembled on a first ball screw 9, and the first ball screw 9 can be driven to rotate by a second servo motor 12; the second servo motor 12 and the first ball screw 9 are arranged on a second slide block 14, the second slide block 14 is arranged on a second ball screw 10, and the second ball screw 10 can be driven to rotate by a third servo motor 13; the second ball screw 10 and the third servomotor 13 are both mounted on a third slider 18, the third slider 18 is mounted on a third ball screw 17, the third ball screw 17 is rotatably driven by a fourth servomotor 16, and the tilt sensor 15 is mounted on the first link arm 5.
Defining the positions of the fourth servo motor 16, the second servo motor 12 and the third servo motor 13 at the origin as the coordinate origin of the coordinate system shown in fig. 1; the first servo motor 8 is adjusted, and the positions of the spindle laser range finder 3 and the tailstock laser range finder 4 in the horizontal and vertical directions can be determined through the reading of the tilt sensor 15. After the main shaft laser range finder 3 is adjusted to be in the vertical direction, the main shaft laser range finder 3 is driven by a fourth servo motor 16, a second servo motor 12 and a third servo motor 13 to move in the X-axis direction, so that the main shaft laser range finder 3 scans and passes through the main shaft along the X-axis from the radial direction of the main shaft, and the motion track of the main shaft laser range finder 3 is shown in fig. 3; then, the first servo motor 8 is rotated by 90 degrees, the main shaft laser range finder 3 is adjusted to be in the horizontal direction, and then the fourth servo motor 16, the second servo motor 12 and the third servo motor 13 drive the main shaft laser range finder to move in the Y-axis direction, so that the main shaft laser range finder 3 scans and passes through the main shaft along the Y-axis from the radial direction of the main shaft, and the motion track of the main shaft laser range finder 3 is shown in fig. 4; the tailstock workpiece is then scanned by the tailstock laser rangefinder 4 in the same manner.
When the main shaft laser range finder 3 scans the main shaft workpiece along the X-axis direction, data of the laser range finder is collected in real time for comparison, when the minimum numerical value is collected, the laser range finder passes through the center of the main shaft workpiece, and the coordinate value of the X-axis direction is recorded at the moment, namely the coordinate value of the center of the main shaft workpiece in the X-axis direction. When the main shaft laser range finder 3 scans the main shaft workpiece along the Y-axis direction, data of the laser range finder is collected in real time for comparison, when the minimum numerical value is collected, the laser range finder passes through the center of the main shaft workpiece, and the coordinate value of the Y-axis direction is recorded at the moment, namely the coordinate value of the center of the main shaft workpiece in the Y-axis direction.
When the tailstock laser range finder 4 scans the tailstock workpiece along the X-axis direction, data of the laser range finder is collected in real time for comparison, and when the minimum numerical value is collected, the laser range finder passes through the circle center of the tailstock workpiece at the moment, and the coordinate value of the X-axis direction is recorded at the moment, namely the coordinate value of the circle center of the tailstock workpiece in the X-axis direction. When the tailstock laser range finder 4 scans the tailstock workpiece along the Y-axis direction, data of the laser range finder is collected in real time for comparison, and when the minimum numerical value is collected, the laser range finder passes through the circle center of the tailstock workpiece at the moment, and the coordinate value of the Y-axis direction is recorded at the moment, namely the coordinate value of the circle center of the tailstock workpiece in the Y-axis direction.
After the center coordinates of the spindle workpiece and the tailstock workpiece are respectively determined, the X coordinate and the Y coordinate of the spindle workpiece and the tailstock workpiece are respectively checked and compared to obtain the axis deviation value of the two workpieces.
Claims (1)
1. The utility model provides a friction welding axiality precision detection device which characterized by: by main shaft work piece (1), tailstock work piece (2), main shaft laser range finder (3), tailstock laser range finder (4), first linking arm (5), second linking arm (6), first slider (7), first servo motor (8), first ball (9), second ball (10), transmission shaft (11), second servo motor (12), third servo motor (13), second slider (14), angular transducer (15), fourth servo motor (16), third ball (17) and third slider (18) constitute: the main shaft workpiece (1) and the tailstock workpiece (2) are fixed on a friction welding machine body through a chuck; the main shaft laser range finder (3) is arranged on the first connecting arm (5) in a mechanical connection mode, and the tailstock laser range finder (4) is arranged on the second connecting arm (6) in a mechanical connection mode; the first servo motor (8) is connected with the first connecting arm (5) and the second connecting arm (6) through a transmission shaft (11), and the first servo motor and the second servo motor are both arranged on a first sliding block (7), the first sliding block (7) is assembled on a first ball screw (9), and the first ball screw (9) can be driven to rotate by a second servo motor (12); the second servo motor (12) and the first ball screw (9) are both arranged on a second sliding block (14), the second sliding block (14) is arranged on a second ball screw (10), and the second ball screw (10) can be driven to rotate by a third servo motor (13); the second ball screw (10) and the third servo motor (13) are both arranged on a third sliding block (18), the third sliding block (18) is arranged on a third ball screw (17), the third ball screw (17) can be driven to rotate by a fourth servo motor (16), and the tilt angle sensor (15) is arranged on the first connecting arm (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993316.3U CN209978840U (en) | 2019-06-28 | 2019-06-28 | Friction welding coaxiality precision detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993316.3U CN209978840U (en) | 2019-06-28 | 2019-06-28 | Friction welding coaxiality precision detection device |
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| Publication Number | Publication Date |
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| CN209978840U true CN209978840U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920993316.3U Withdrawn - After Issue CN209978840U (en) | 2019-06-28 | 2019-06-28 | Friction welding coaxiality precision detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186400A (en) * | 2019-06-28 | 2019-08-30 | 哈尔滨焊接研究院有限公司 | Friction welding coaxial accuracy detection device and its detection method |
| CN111307073A (en) * | 2020-03-16 | 2020-06-19 | 湖南米艾西测控技术有限公司 | Device for measuring coaxiality deviation of rotary transformer stator and rotor |
| CN114211162A (en) * | 2021-12-22 | 2022-03-22 | 河南鼎力杆塔股份有限公司 | Robot and method for welding rod body and flange of electric power tower |
-
2019
- 2019-06-28 CN CN201920993316.3U patent/CN209978840U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186400A (en) * | 2019-06-28 | 2019-08-30 | 哈尔滨焊接研究院有限公司 | Friction welding coaxial accuracy detection device and its detection method |
| CN110186400B (en) * | 2019-06-28 | 2024-04-26 | 中国机械总院集团哈尔滨焊接研究所有限公司 | Friction welding coaxiality precision detection device and detection method thereof |
| CN111307073A (en) * | 2020-03-16 | 2020-06-19 | 湖南米艾西测控技术有限公司 | Device for measuring coaxiality deviation of rotary transformer stator and rotor |
| CN114211162A (en) * | 2021-12-22 | 2022-03-22 | 河南鼎力杆塔股份有限公司 | Robot and method for welding rod body and flange of electric power tower |
| CN114211162B (en) * | 2021-12-22 | 2024-03-19 | 河南鼎力杆塔股份有限公司 | Electric power pole body, flange welding robot and method thereof |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 150028 No. 2077 Innovation Road, Songbei District, Harbin City, Heilongjiang Province Patentee after: China National Machinery Engineering Corporation Harbin Welding Research Institute Co.,Ltd. Country or region after: China Address before: 150028 No. 2077 Innovation Road, Songbei District, Harbin City, Heilongjiang Province Patentee before: HARBIN WELDING INSTITUTE Ltd. Country or region before: China |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200121 Effective date of abandoning: 20240426 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200121 Effective date of abandoning: 20240426 |