A workpiece generatrix scanning vertical testing device and testing method thereof

Abstract

The present invention provides a workpiece busbar scanning vertical test device and a test method thereof, wherein the test device comprises a workpiece support seat fixed on a test platform and used to position the bottom of the workpiece, a support plate located directly above the workpiece support seat and used to position the top of the workpiece, and a light curtain sensor for scanning the busbar, wherein: a column perpendicular to the test platform is fixed, a guide rail in the same direction is fixed on the column, a lower slider slidably connected to the column is provided on the guide rail, the support plate is fixed on the column or driven by an upper drive system to move up and down along the column, the light curtain sensor is provided with two left and right sides of the light curtain sensor bracket respectively, the light curtain sensor bracket is fixedly connected to the lower slider, and the lower slider is driven by a lower drive system to move up and down. The present invention adopts a vertical measurement method, and has high measurement accuracy.

Description

Technical Field

[0001] The invention relates to the field of scanning test technology, and in particular to a workpiece busbar scanning vertical test device and a test method thereof, which are particularly suitable for busbar measurement of a high-speed rotating workpiece. Background Art

[0002] During the development of high-speed rotating workpieces, dynamic balancing technology research is an important part of the research work. The correction of the workpiece's generatrix bending is the premise and basis for dynamic balancing technology research. At present, the generatrix bending of workpieces, especially long workpieces, cannot be obtained through existing technical equipment, because the horizontal measurement method in the existing technology will bend the workpiece downward due to its own weight, resulting in distorted measurement results. Summary of the invention

[0003] The purpose of the present invention is to provide a workpiece busbar scanning vertical testing device to address the technical defect of the prior art that there is a lack of a testing device for a long-length workpiece busbar.

[0004] Another object of the present invention is to provide a testing method for the workpiece generatrix scanning vertical testing device.

[0005] The technical solution adopted to achieve the purpose of the present invention is:

[0006] A workpiece busbar scanning vertical testing device comprises a workpiece support seat fixed on a testing platform and used to position the bottom of the workpiece, a support plate located directly above the workpiece support seat and used to position the top of the workpiece, and a light curtain sensor for scanning the busbar, wherein:

[0007] A column perpendicular to the test platform is fixed on the test platform, a guide rail in the same direction is fixed on the column, a lower slider slidably connected to the column is provided on the guide rail, the support plate is fixed on the column or driven by the upper drive system to move up and down along the column, the light curtain sensor is provided with two left and right sides of the light curtain sensor bracket respectively, the light curtain sensor bracket is fixedly connected to the lower slider, and the lower slider is driven by the lower drive system to move up and down.

[0008] In the above technical solution, the support plate is provided with a slot for the high-speed rotating workpiece or the high-precision mandrel to enter, one end of the slot is open, and the other end is an arc-shaped edge adapted to the high-speed rotating workpiece or the end shaft of the high-precision mandrel, and further, an arc-shaped vertical plate is fixed on the top of the arc-shaped edge to provide good positioning for the end shaft.

[0009] In the above technical solution, the test platform and the column are made of marble, and the bottom of the column is fixed to the test platform by two column support frames located on the left and right sides thereof.

[0010] In the above technical solution, the support plate is fixed directly or through an upper support to an upper slider slidably connected to the guide rail, and the upper slider is driven by an upper driving system to move up and down along the guide rail.

[0011] In the above technical solution, the upper drive system is an upper synchronous belt transmission system, and the lower drive system is a lower synchronous belt transmission system.

[0012] In the above technical solution, the upper synchronous belt transmission system includes an upper reducer, a transmission support A and a synchronous belt A, the synchronous belt A is wrapped around the output shaft of the upper reducer and the rotating shaft of the transmission support A, and rotates synchronously with the output shaft of the upper reducer, the top of the upper support is fixed on the upper slide, the upper slide is fixed on the upper slider, and the synchronous belt A is fixed to the side of the upper slide through the pressure plate A;

[0013] The lower synchronous belt transmission system includes a lower reducer, a transmission support B and a synchronous belt B. The synchronous belt B is wrapped around the output shaft of the lower reducer and the rotating shaft of the transmission support B, and rotates synchronously with the output shaft of the lower reducer. The light curtain sensor bracket is fixed on the lower slide, the lower slide is fixed on the lower slider, and the synchronous belt B is fixed to the side of the lower slide through a pressure plate B.

[0014] In the above technical solution, the upper synchronous belt transmission system also includes an upper photoelectric limit switch A and a lower photoelectric limit switch A. A limit baffle A is fixed on the side of the upper slide. The upper photoelectric limit switch A and the lower photoelectric limit switch A are respectively located at the upper and lower limit positions of the synchronous belt A. When the synchronous belt A moves to the upper limit position, the limit baffle A enters the upper photoelectric limit switch A. When the synchronous belt A moves to the lower limit position, the limit baffle A enters the lower photoelectric limit switch A.

[0015] In the above technical solution, the lower synchronous belt transmission system also includes an upper photoelectric limit switch B and a lower photoelectric limit switch B. A limit baffle B is fixed on the side of the lower slider. The upper photoelectric limit switch B and the lower photoelectric limit switch B are respectively located at the upper and lower limit positions of the synchronous belt B. When the synchronous belt B moves to the upper limit position, the limit baffle B enters the upper photoelectric limit switch B. When the synchronous belt A moves to the lower limit position, the limit baffle B enters the lower photoelectric limit switch B.

[0016] In the above technical solution, the upper reducer is fixed to the top of the column through the upper motor bracket, and the lower reducer is fixed to the bottom of the column through the lower motor bracket. The upper motor bracket, the lower motor bracket, the transmission support B, and the transmission support A are all provided with mechanical limits on the side facing the moving parts. The mechanical limit on the upper motor bracket is set on the side close to the upper slide, and the mechanical limit on the lower motor bracket is set on the side close to the lower slide.

[0017] In the above technical solution, the testing device further includes a handheld controller, which is communicatively connected to the upper reducer, the lower reducer and the light curtain sensor.

[0018] In the above technical solution, the test platform is fixed on a supporting beam, and the bottom of the supporting beam is provided with adjustable feet and rollers.

[0019] In another aspect of the present invention, the testing method of the workpiece generatrix scanning vertical testing device is characterized by comprising the following steps:

[0020] Start the light curtain sensor, insert the lower part of the high-precision mandrel into the workpiece support seat, install the upper part of the high-precision mandrel into the middle position of the support plate from the side, start the lower drive system, and the light curtain sensor moves up and down along the guide rail to scan the generatrix of the high-precision mandrel, and adjust the overall accuracy of the test device according to the feedback data;

[0021] Remove the high-precision mandrel, place the high-speed rotating workpiece to be tested between the support plate and the workpiece support seat, start the light curtain sensor, start the lower drive system, and the light curtain sensor moves up and down along the guide rail to scan the busbar of the high-speed rotating workpiece to be tested.

[0022] In the above technical solution, the testing method comprises the following steps:

[0023] Step 1: First, connect the test platform, the column, and the column support frame together with screws, and adjust the verticality between the column and the test platform;

[0024] Step 2, place the support beam, adjustable feet, and rollers at the lower end of the test platform, adjust the adjustable feet and use a level to adjust the levelness of the test platform;

[0025] Step 3, pre-install the upper slider and the lower slider on the guide rail, and then fix the guide rail, the upper motor bracket, the lower motor bracket, the transmission support A, and the transmission support B to the front of the column with screws, fix the upper reducer to the upper motor bracket with screws, fix the lower reducer to the lower motor bracket with screws, and fix the upper slide and the lower slide to the upper slider and the lower slider with screws respectively;

[0026] The synchronous belt A is installed in the upper synchronous belt transmission system and is pressed on the upper slide table with the pressing plate A and fixed with screws;

[0027] The synchronous belt B is installed in the lower synchronous belt transmission system and pressed on the slide table with the pressing plate B and fixed with screws;

[0028] The limit baffle A is installed on the side of the upper slide, the limit baffle B is installed on the side of the lower slide, the upper photoelectric limit switch A and the lower photoelectric limit switch A, the photoelectric limit switch B and the lower photoelectric limit switch B are installed on the side of the column, and the longitudinal positions are respectively at the limit positions of the upper and lower synchronous belt transmission systems;

[0029] Mechanical limiters are respectively installed on the upper motor bracket and the lower motor bracket close to the moving parts, serving as mechanical collision protection devices for the moving parts;

[0030] The upper support is fixed to the front of the upper slide with screws, the support plate is fixed to the upper end surface of the upper support with bolts and nuts, the light curtain sensor bracket is fixed to the front of the lower slide with screws, and the light curtain sensors are installed in pairs on the side of the light curtain sensor bracket;

[0031] Step 4, install the workpiece support seat on the test platform;

[0032] After the installation is completed, the high-precision mandrel is placed between the support plate and the workpiece support seat, its generatrix is ​​scanned, and the overall accuracy of the test device is adjusted according to the feedback data;

[0033] Step 5, remove the high-precision mandrel, place the high-speed rotating workpiece to be tested between the support plate and the workpiece support seat, and scan the generatrix of the high-speed rotating workpiece to be tested.

[0034] Compared with the prior art, the present invention has the following beneficial effects:

[0035] 1. The test device of the present invention adopts a vertical measurement method, which avoids the bending phenomenon caused by the long span of the left and right end support points when the workpiece is supported horizontally. The test device vertically installs the workpiece on the test device and controls the light curtain sensor to scan along the high-precision mandrel busbar. The busbar bending condition is studied through the data fed back by the light curtain sensor.

[0036] 2. The test device of the present invention adopts a single-guide rail and double-slide design, which reduces the cumulative error, processing cost, and the difficulty of manufacturing, installation, and debugging.

[0037] 3. The present invention can adjust the height of the support plate by moving the upper slide table to adapt to workpieces of various specifications. The testing device of the present invention is equipped with a movable handheld controller to facilitate the operation of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1The structural diagram of the present invention is shown in FIG. Figure 1 .

[0039] Figure 2 The structural diagram of the present invention is shown in FIG. Figure 2 .

[0040] Figure 3 The structural diagram of the present invention is shown in FIG. Figure 3 .

[0041] Figure 4 It is a structural diagram of the support plate.

[0042] Figure 5 It is a partial structural diagram of the upper synchronous belt transmission system.

[0043] Figure 6 It is a partial structural diagram of the lower synchronous belt transmission system.

[0044] 1-upper reducer, 2-upper motor bracket, 3-guide rail, 4-upper slider, 5-upper support, 6-transmission support B, 7-support plate, 8-high-precision mandrel, 9-column, 10-lower slide, 11-light curtain sensor bracket, 12-light curtain sensor, 13-lower reducer, 14-workpiece support seat, 15-test platform, 16-synchronous belt A, 17-synchronous belt B, 18-lower slider, 19-column support frame, 20-photoelectric limit Switch, 21-limit baffle B, 22-mechanical limit, 23-pressure plate B, 24-pressure plate A, 25-upper slide, 26-limit baffle A, 27-support beam, 28-adjustable foot, 29-roller, 30-lower motor bracket, 31-transmission support A, 32-slot, 33-arc vertical plate, 34-upper photoelectric limit switch A, 35-lower photoelectric limit switch A, 36-upper photoelectric limit switch B, 37-lower photoelectric limit switch B. DETAILED DESCRIPTION

[0045] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0046] Example 1

[0047] A vertical testing device for scanning a workpiece busbar comprises a workpiece support seat 14 fixed on a testing platform 15 and used for positioning the bottom of the workpiece, a support plate 7 located directly above the workpiece support seat 14 and used for positioning the top of the workpiece, and a light curtain sensor 12 for scanning the busbar. The present invention adopts a vertical measurement method, avoiding the bending phenomenon caused by the long span of the left and right end support points of the workpiece in a horizontal support method. A column 9 perpendicular to the test platform 15 is fixed on the column 9, a guide rail 3 in the same direction as the column 9 is fixed on the column 9, and a lower slider 18 slidably connected to the column 9 is provided on the guide rail 3. The support plate 7 is fixed on the column 9 or is driven by the upper driving system to move up and down along the direction of the column 9. When the support plate 7 is fixed on the column 9, a high-speed rotating workpiece of a fixed length can be tested. When the support plate 7 is driven by the upper system to move up and down along the column 9, high-speed rotating workpieces of different lengths can be tested. When it is necessary to test a high-speed rotating workpiece of a longer length, the position of the support plate 7 can be adjusted upward along the column 9. When it is necessary to test a high-speed rotating workpiece of a shorter length, the position of the support plate 7 can be adjusted downward along the column 9, so that the distance between the support plate 7 and the workpiece support seat 14 is adapted to the length of the workpiece, and the upper and lower ends of the workpiece are positioned. The light curtain sensor 12 is provided with two protruding plates respectively fixed on the left and right sides of the light curtain sensor bracket 11, and the light curtain sensor bracket 11 is fixedly connected to the lower slider 18, and the lower slider 18 is driven by the lower driving system to move up and down along the guide rail 3. The light curtain sensor 12 is provided with two protruding plates respectively fixed on the left and right sides of the light curtain sensor bracket 11. During measurement, the workpiece to be tested (high-speed rotating workpiece) or the high-precision mandrel 8 is located between the two light curtain sensors 12.

[0048] The testing method of the testing device comprises the following steps:

[0049] Start the light curtain sensor 12, insert the lower part of the high-precision mandrel 8 into the workpiece support seat 14, install the upper part of the high-precision mandrel 8 into the middle position of the support plate 7 from the side, start the lower drive system, and the light curtain sensor 12 moves up and down along the guide rail 3 to scan the generatrix of the high-precision mandrel 8, and adjust the overall accuracy of the test device according to the feedback data;

[0050] Remove the high-precision mandrel 8, place the workpiece to be tested between the support plate 7 and the workpiece support seat 14, start the light curtain sensor 12, start the lower drive system, and the light curtain sensor 12 moves up and down along the guide rail 3 to scan the busbar of the workpiece to be tested.

[0051] Preferably, the support plate 7 is provided with a slot 32 for the high-speed rotating workpiece or the high-precision mandrel 8 to enter. The slot is open at one end and the other end is an arc edge that matches the end shaft of the high-speed rotating workpiece or the high-precision mandrel 8. Furthermore, an arc vertical plate 33 is fixed on the top of the arc edge to provide good positioning for the end shaft. The material of the test platform 15 and the column 9 is marble, which has high stability, high precision and high wear resistance. The grinding process is adopted to ensure the high precision of the device foundation. The bottom of the column 9 is fixed to the test platform 15 by two column support frames 19 located on the left and right sides thereof to ensure its fixing stability and verticality.

[0052] Example 2

[0053] In this embodiment, the support plate 7 is driven by the upper system to move up and down along the column 9, and can be applied to high-speed rotating workpieces of different lengths.

[0054] The support plate 7 is fixed directly or through the upper support 5 to the upper slider 4 which is slidably connected to the guide rail 3. The upper slider 4 is driven by the upper drive system to move up and down along the guide rail 3. This embodiment adopts a single guide rail and double slide design. The guide rails are usually used in pairs, but during the installation and debugging process, there will be assembly errors between the guide rails, resulting in increased cumulative errors. This test device adopts a single guide rail, which reduces the cumulative error, processing costs, and the difficulty of manufacturing, installation, and debugging.

[0055] The upper drive system is an upper synchronous belt transmission system, and the lower drive system is a lower synchronous belt transmission system. In order to prevent motion interference, the upper synchronous belt transmission system and the lower synchronous belt transmission system are respectively located on the left and right sides of the guide rail 3. The belt transmission structure is simple, the transmission is stable, it is suitable for long-distance transmission, and the transmission accuracy is high. Each group of pulleys of the device is arranged perpendicular to the table. Since the transmission belt is a flexible component, it can ensure that the motion trajectory of the moving part is perpendicular to the table in the tensioned state, thereby improving the measurement accuracy.

[0056] Furthermore, the upper synchronous belt transmission system includes an upper reducer 1, a transmission support A31 and a synchronous belt A16. The synchronous belt A16 is wrapped around the output shaft of the upper reducer 1 and the rotating shaft of the transmission support A31, and rotates synchronously with the output shaft of the upper reducer 1. The top of the upper support 5 is fixed on the upper slide 25, and the upper slide 25 is fixed on the upper slider 4. The synchronous belt A16 is fixed to the side of the upper slide 25 through a pressure plate A24. The upper reducer 1 is fixed to the top of the column 9 through the upper motor bracket 2, and the transmission support A31 is fixed to the lower part of the column 9. The output shaft of the upper reducer 1 and the transmission support A31 are arranged correspondingly up and down, so that the synchronous belt A16 is perpendicular to the test platform 15. The upper support 5 is fixed to the front of the upper slide 25 with screws, and the support plate 7 is fixed to the upper end face of the upper support 5 with bolts and nuts. When the upper reducer 1 is started, the synchronous belt A16 rotates, and the synchronous belt A16 pulls the upper slider 4 to slide along the guide rail 3 while rotating. The upper slider 4 drives the support plate 7 to move up and down to adjust the distance between the support plate 7 and the workpiece support seat 14, which is suitable for workpieces of different lengths.

[0057] The lower synchronous belt transmission system includes a lower reducer 13, a transmission support B6 and a synchronous belt B17. The synchronous belt B17 is wrapped around the output shaft of the lower reducer 13 and the rotating shaft of the transmission support B6, and rotates synchronously with the output shaft of the lower reducer 13. The light curtain sensor bracket 11 is fixed on the lower slide 10, and the lower slide 10 is fixed on the lower slider 18. The synchronous belt B17 is fixed to the side of the lower slide 10 through a pressing plate B23. The lower reducer 13 is fixed to the bottom of the column 9 through a lower motor bracket 30. The output shaft of the lower reducer 13 corresponds to the transmission support B6 up and down, so that the synchronous belt B17 is perpendicular to the test platform 15. The transmission support B6 is fixed to the middle and upper part of the column 9. The light curtain sensor bracket 11 is fixed to the front of the lower slide 10 with screws, and the light curtain sensors 12 are installed in pairs on the side of the light curtain sensor bracket 11. When the lower reducer 13 is started, the synchronous belt B17 rotates, and the synchronous belt B17 pulls the lower slider 18 to slide along the guide rail 3 while rotating, and the lower slider 18 drives the light curtain sensor bracket 11 to move up and down, and the light curtain sensor 12 moves up and down repeatedly to scan the busbar. The lower slide 10 has a stroke of up to 1m and a comprehensive accuracy of 1 / 100mm, which is a large-stroke high-precision scanning test device.

[0058] Preferably, the upper synchronous belt transmission system further comprises an upper photoelectric limit switch A34 and a lower photoelectric limit switch A35, which are mounted on the side of the column, and the longitudinal positions are respectively at the limit positions of the synchronous belt A16. A limit baffle A26 is fixed on the side of the upper slide 25, and the upper photoelectric limit switch A34 and the lower photoelectric limit switch A35 are respectively located at the upper and lower limit positions of the synchronous belt A16. When the synchronous belt A16 moves to the upper limit position, the limit baffle A26 enters the upper photoelectric limit switch A34, and when the synchronous belt A16 moves to the lower limit position, the limit baffle A26 enters the lower photoelectric limit switch A35.

[0059] Preferably, the lower synchronous belt transmission system further includes an upper photoelectric limit switch B36 and a lower photoelectric limit switch B37, which are installed on the side of the column, and their longitudinal positions are respectively at the limit positions of the synchronous belt B17. A limit baffle B21 is fixed on the side of the lower slider 18, and the upper photoelectric limit switch B36 and the lower photoelectric limit switch B37 are respectively located at the upper and lower limit positions of the synchronous belt B17. When the synchronous belt B17 moves to the upper limit position, the limit baffle B21 enters the upper photoelectric limit switch B36, and when the synchronous belt A16 moves to the lower limit position, the limit baffle B21 enters the lower photoelectric limit switch B37.

[0060] Preferably, the upper motor bracket 2, the lower motor bracket 30, the transmission support B6, and the transmission support A31 are all provided with mechanical limiters 22 on the side facing the moving parts. The mechanical limiter 22 on the upper motor bracket 2 is arranged on the side close to the upper slide 25, and the mechanical limiter 22 on the lower motor bracket 30 is arranged on the side close to the lower slide 10. The mechanical limiter 22 serves as a mechanical collision protection device for the moving parts (upper slide 25 or lower slide 10).

[0061] Example 3

[0062] Preferably, the test device further comprises a handheld controller, which is communicatively connected with the upper reducer 1, the lower reducer 13 and the light curtain sensor 12. Using the handheld controller, the staff can control the high-precision light curtain sensor to automatically scan the workpiece busbar at any position.

[0063] Preferably, the test platform 15 is fixed on a support beam 27, and an adjustable foot 28 and a roller 29 are provided at the bottom of the support beam 27. The support beam 27, the adjustable foot 28, and the roller 29 are installed at the lower end of the test platform 15. The adjustable foot 28 is adjusted in combination with a level to adjust the level of the platform. The roller 29 facilitates the test device.

[0064] The assembly method of the test device comprises the following steps:

[0065] Step 1, first connect the test platform 15, the column 9, and the column support frame 19 together with screws, and at the same time adjust the verticality between the column 9 and the test platform 15.

[0066] Step 2: Place the support beam 27 , the adjustable feet 28 , and the rollers 29 at the lower end of the test platform 15 , and adjust the adjustable feet 28 and a level gauge to adjust the levelness of the test platform 15 .

[0067] Step 3, pre-install the upper slider 4 and the lower slider 18 on the guide rail 3, and then respectively fix the guide rail 3, the upper motor bracket 2, the lower motor bracket 30, the transmission support A31, and the transmission support B6 to the front of the column 9 with screws, fix the upper reducer 1 to the upper motor bracket 2 with screws, fix the lower reducer 13 to the lower motor bracket 30 with screws, and fix the upper slide 25 and the lower slide 10 to the upper slider 4 and the lower slider 18 with screws;

[0068] The synchronous belt A16 is installed in the upper synchronous belt transmission system and is pressed on the upper slide 25 by the pressing plate A24 and fixed with screws;

[0069] The synchronous belt B17 is installed in the lower synchronous belt transmission system and is pressed on the lower slide 10 by the pressing plate B23 and fixed with screws;

[0070] The limit baffle A26 is installed on the side of the upper slide 25, and the limit baffle B21 is installed on the side of the lower slide 10. The upper photoelectric limit switch A34 and the lower photoelectric limit switch A35, the photoelectric limit switch B36 and the lower photoelectric limit switch B37 are installed on the side of the column 9, and the longitudinal positions are respectively at the limit positions of the upper and lower synchronous belt transmission systems;

[0071] The mechanical limiter 22 is respectively installed on the upper motor bracket 2 and the lower motor bracket 30 close to the moving parts, and serves as a mechanical collision protection device for the moving parts;

[0072] The upper support 5 is fixed to the front of the upper slide 25 by screws, the support plate 7 is fixed to the upper end surface of the upper support 5 by bolts and nuts, the light curtain sensor bracket 11 is fixed to the front of the lower slide 10 by screws, and the light curtain sensors 12 are installed in pairs on the side of the light curtain sensor bracket 11;

[0073] Step 4: Install the workpiece support 14 on the test platform 15.

[0074] After the installation is completed, the high-precision mandrel 8 is placed between the support plate 7 and the workpiece support seat 14, and its generatrix is ​​scanned, and the overall accuracy of the test device is adjusted according to the feedback data.

[0075] Step 4: After adjusting the overall accuracy, place the workpiece to be tested between the support plate 7 and the workpiece support seat 14, and scan its generatrix.

[0076] For ease of explanation, spatial relative terms such as "upper", "lower", "left", "right" and the like are used in the embodiments to illustrate the relationship of one element or feature shown in the figure relative to another element or feature. It should be understood that, in addition to the orientation shown in the figure, the spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figure is inverted, the element described as being "under" other elements or features will be positioned "on" other elements or features. Therefore, the exemplary term "under" can include both upper and lower orientations. The device can be positioned in other ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used here can be interpreted accordingly.

[0077] Furthermore, relational terms such as “first” and “second” and the like are merely used to distinguish one component from another having the same name, but do not necessarily require or imply any such actual relationship or order between these components.

[0078] The above is only a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A workpiece busbar scanning vertical testing device, It is characterized in that It includes a workpiece support seat fixed on the test platform and used to position the bottom of the workpiece, a support plate located directly above the workpiece support seat and used to position the top of the workpiece, and a light curtain sensor for scanning the busbar, wherein: The test platform is fixed with a column perpendicular to it, the column is fixed with a guide rail in the same direction, the guide rail is provided with a lower slider slidably connected with it, the support plate is fixed on the column or driven by the upper drive system to move up and down along the column, the light curtain sensor is provided with two left and right sides of the light curtain sensor bracket respectively, the light curtain sensor bracket is fixedly connected to the lower slider, and the lower slider is driven by the lower drive system to move up and down; The support plate is provided with a slot for the high-speed rotating workpiece or the high-precision core shaft to enter, one end of the slot is open, and the other end is an arc-shaped edge adapted to the high-speed rotating workpiece or the end shaft of the high-precision core shaft, and an arc-shaped vertical plate is fixed on the top of the arc-shaped edge to provide good positioning for the end shaft; the support plate is directly fixed or fixed through an upper support to an upper slider slidably connected to the guide rail, and the upper slider is driven by the upper drive system to move up and down along the guide rail.

2. The workpiece busbar scanning vertical testing device according to claim 1, It is characterized in that The test platform and the column are made of marble, and the bottom of the column is fixed on the test platform through two column support frames located on the left and right sides of the column.

3. The workpiece generatrix scanning vertical testing device according to claim 2, It is characterized in that The upper drive system is an upper synchronous belt transmission system, and the lower drive system is a lower synchronous belt transmission system.

4. The workpiece generatrix scanning vertical testing device according to claim 3, It is characterized in that The upper synchronous belt transmission system includes an upper reducer, a transmission support A and a synchronous belt A. The synchronous belt A is wound between the output shaft of the upper reducer and the rotating shaft of the transmission support A, and rotates synchronously with the output shaft of the upper reducer. The top of the upper support is fixed on the upper slide, and the upper slide is fixed on the upper slider. The synchronous belt A is fixed to the side of the upper slide through a pressure plate A. The lower synchronous belt transmission system includes a lower reducer, a transmission support B and a synchronous belt B. The synchronous belt B is wrapped around the output shaft of the lower reducer and the rotating shaft of the transmission support B, and rotates synchronously with the output shaft of the lower reducer. The light curtain sensor bracket is fixed on the lower slide, the lower slide is fixed on the lower slider, and the synchronous belt B is fixed to the side of the lower slide through a pressure plate B.

5. The workpiece generatrix scanning vertical testing device according to claim 4, It is characterized in that The upper synchronous belt transmission system also includes an upper photoelectric limit switch A and a lower photoelectric limit switch A. A limit baffle A is fixed on the side of the upper slide. The upper photoelectric limit switch A and the lower photoelectric limit switch A are respectively located at the upper and lower limit positions of the synchronous belt A. When the synchronous belt A moves to the upper limit position, the limit baffle A enters the upper photoelectric limit switch A. When the synchronous belt A moves to the lower limit position, the limit baffle A enters the lower photoelectric limit switch A.

6. The workpiece generatrix scanning vertical testing device according to claim 4, It is characterized in that The lower synchronous belt transmission system also includes an upper photoelectric limit switch B and a lower photoelectric limit switch B. A limit baffle B is fixed on the side of the lower slider. The upper photoelectric limit switch B and the lower photoelectric limit switch B are respectively located at the upper and lower limit positions of the synchronous belt B. When the synchronous belt B moves to the upper limit position, the limit baffle B enters the upper photoelectric limit switch B. When the synchronous belt A moves to the lower limit position, the limit baffle B enters the lower photoelectric limit switch B.

7. The workpiece generatrix scanning vertical testing device according to claim 4, It is characterized in that The upper reducer is fixed to the top of the column through the upper motor bracket, and the lower reducer is fixed to the bottom of the column through the lower motor bracket. The upper motor bracket, the lower motor bracket, the transmission support B, and the transmission support A are all provided with mechanical limits on the side facing the moving parts. The mechanical limit on the upper motor bracket is set on the side close to the upper slide, and the mechanical limit on the lower motor bracket is set on the side close to the lower slide.

8. The workpiece generatrix scanning vertical testing device according to claim 4, It is characterized in that The testing device also includes a handheld controller, which is communicatively connected with the upper reducer, the lower reducer and the light curtain sensor.

9. The workpiece generatrix scanning vertical testing device according to claim 1, It is characterized in that The test platform is fixed on a supporting beam, and an adjustable foot and rollers are arranged at the bottom of the supporting beam.

10. The testing method of the workpiece generatrix scanning vertical testing device according to claim 1, It is characterized in that The following steps are involved: Start the light curtain sensor, insert the lower part of the high-precision mandrel into the workpiece support seat, install the upper part of the high-precision mandrel into the middle position of the support plate from the side, start the lower drive system, and the light curtain sensor moves up and down along the guide rail to scan the generatrix of the high-precision mandrel, and adjust the overall accuracy of the test device according to the feedback data; Remove the high-precision mandrel, place the high-speed rotating workpiece to be tested between the support plate and the workpiece support seat, start the light curtain sensor, start the lower drive system, and the light curtain sensor moves up and down along the guide rail to scan the busbar of the high-speed rotating workpiece to be tested.

11. The test method according to claim 10, It is characterized in that The following steps are involved: Step 1: First, connect the test platform, the column, and the column support frame together with screws, and adjust the verticality between the column and the test platform; Step 2, place the support beam, adjustable feet, and rollers at the lower end of the test platform, adjust the adjustable feet and use a level to adjust the levelness of the test platform; Step 3, pre-install the upper slider and the lower slider on the guide rail, and then fix the guide rail, the upper motor bracket, the lower motor bracket, the transmission support A, and the transmission support B to the front of the column with screws, fix the upper reducer to the upper motor bracket with screws, fix the lower reducer to the lower motor bracket with screws, and fix the upper slide and the lower slide to the upper slider and the lower slider with screws respectively; The synchronous belt A is installed in the upper synchronous belt transmission system and is pressed on the upper slide table with the pressing plate A and fixed with screws; The synchronous belt B is installed in the lower synchronous belt transmission system and pressed on the slide table with the pressing plate B and fixed with screws; The limit baffle A is installed on the side of the upper slide, the limit baffle B is installed on the side of the lower slide, the upper photoelectric limit switch A and the lower photoelectric limit switch A, the photoelectric limit switch B and the lower photoelectric limit switch B are installed on the side of the column, and the longitudinal positions are respectively at the limit positions of the upper and lower synchronous belt transmission systems; Mechanical limiters are respectively installed on the upper motor bracket and the lower motor bracket close to the moving parts, serving as mechanical collision protection devices for the moving parts; The upper support is fixed to the front of the upper slide with screws, the support plate is fixed to the upper end surface of the upper support with bolts and nuts, the light curtain sensor bracket is fixed to the front of the lower slide with screws, and the light curtain sensors are installed in pairs on the side of the light curtain sensor bracket; Step 4, install the workpiece support seat on the test platform; After the installation is completed, the high-precision mandrel is placed between the support plate and the workpiece support seat, its generatrix is ​​scanned, and the overall accuracy of the test device is adjusted according to the feedback data; Step 5, remove the high-precision mandrel, place the high-speed rotating workpiece to be tested between the support plate and the workpiece support seat, and scan the generatrix of the high-speed rotating workpiece to be tested.

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