Machine tool spindle loading test apparatus

Abstract

The application discloses a machine tool spindle loading test equipment, and belongs to the field of machine tool testing. The supporting table is split into a fixed table and a movable table. The spindle component and the driving device are installed on the fixed table. The axial force loading device, the radial force loading device and the torque loading device are installed on the movable table. The axial force loading device, the radial force loading device and the torque loading device can move in the vertical direction, the first direction and the second direction perpendicular to the first direction relative to the fixed table. The driving device, the axial force loading device, the radial force loading device and the torque loading device can be easily moved to the matching position of the spindle component. The spindle component does not need to be moved and disassembled during loading test. The spindle can be subjected to various simulation tests in the same station.

Description

Technical Field

[0001] This invention relates to the field of machine tool testing, and in particular to a machine tool spindle loading test device. Background Technology

[0002] As one of the most important functional components of a CNC machine tool, the spindle component has a significant impact on the overall reliability of the machine.

[0003] Due to the high-speed motion of the spindle, accuracy is easily lost during cutting. Spindle testing needs to effectively simulate the actual working conditions of the spindle components, performing tests on axial force, radial force, torque, and other aspects. Existing spindle testing devices can only perform one type of test after the spindle components are installed. When other tests are needed, the spindle position needs to be adjusted, requiring frequent disassembly and assembly of the spindle, resulting in a large workload and inconvenience in the testing process. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art, one of the objectives of this invention is to provide a machine tool spindle loading test device that can perform multiple simulation tests on the spindle at the same workstation, and whose test process is simple and convenient to operate.

[0005] One of the objectives of this invention is achieved through the following technical solution:

[0006] A machine tool spindle loading test device includes a support platform, a drive unit, an axial force load loading device, a radial force load loading device, and a torque load loading device. The support platform includes a fixed platform and a movable platform. The fixed platform includes a table surface, a first movable structure, and a second movable structure. The table surface is used to mount a spindle component. The first movable structure is mounted on the table surface and can move relative to the table surface along a first direction. The second movable structure is mounted on the first movable structure and can move relative to the first movable structure in a second direction perpendicular to the first direction. The drive unit is mounted on the second movable structure and is drively connected to the spindle component to provide rotational power to the spindle component. The movable platform includes a base, a lifting drive, a mounting frame, a third moving structure, and a fourth moving structure. The mounting frame is mounted on the base via the lifting drive and is capable of moving vertically relative to the fixed platform. The third moving structure is mounted on the mounting frame and is capable of moving in a first direction relative to the mounting frame. The fourth moving structure is mounted on the third moving structure and is capable of moving in a second direction relative to the third moving structure. The axial force load loading device and the radial force load loading device are mounted on the third moving structure, and the torque load loading device is mounted on the fourth moving structure.

[0007] Furthermore, the movable platform is located on one side of the fixed platform.

[0008] Furthermore, the table surface is provided with a mounting groove that extends along the second direction, and the spindle component is mounted in the mounting groove, through which the mounting position of the spindle component is adjusted.

[0009] Furthermore, the axial force load loading device includes a fixed pressure plate, which applies an axial force to the spindle component. The radial force load loading device includes a radial load stabilizer, which applies a radial force to the spindle component. The axial force load loading device and the radial force load loading device are located on both sides of the spindle component, and the axis of the axial force load loading device is perpendicular to the axis of the radial force load loading device.

[0010] Furthermore, the axis of the axial force load loading device extends along the second direction.

[0011] Furthermore, the axis of the radial force load loading device extends along the first direction.

[0012] Furthermore, the axis of the torque load loading device extends along the second direction.

[0013] Furthermore, the lifting drive component is a lead screw, and the movable platform also includes a handle. The handle is rotatably mounted on the base, and the rotation of the handle drives the lead screw to rotate, thereby raising and lowering the mounting frame.

[0014] Furthermore, the first movable structure includes a first slide rail, a first driving member, and a first mounting plate. The first slide rail is fixed to the table surface and extends along the first direction. The first mounting plate is slidably mounted on the first slide rail. The first driving member is mounted on the table surface and connected to the first mounting plate. The first driving member drives the first mounting plate to move relative to the table surface.

[0015] Furthermore, the first driving component includes a lead screw and a handle mounted on the end of the lead screw. The lead screw is rotatably mounted on the table surface, and the lead screw is engaged with the first mounting plate by a nut.

[0016] Compared to existing technologies, the support platform of the machine tool spindle loading test equipment of the present invention includes a fixed platform and a movable platform. A first movable structure is mounted on the platform and can move relative to the platform along a first direction. A second movable structure is mounted on the first movable structure and can move relative to the first movable structure in a second direction perpendicular to the first direction. A drive device is mounted on the second movable structure and is connected to the spindle component to provide rotational power to the spindle component. A mounting frame is mounted on the base via a lifting drive component and can move relative to the fixed platform in a vertical direction. A third movable structure is mounted on the mounting frame and can move relative to the mounting frame in a first direction. A fourth movable structure is mounted on the third movable structure and can move relative to the third movable structure in a second direction. An axial force load loading device and a radial force load loading device are mounted on the third movable structure, and a torque load loading device is mounted on the fourth movable structure. Through the above design, the drive device, the axial force load loading device, the radial force load loading device, and the torque load loading device can be easily moved to the matching position with the spindle component, so that the spindle component does not need to be moved or disassembled during loading tests. The spindle can perform multiple simulation tests at the same workstation, and the testing process is simple and convenient to operate. Attached Figure Description

[0017] Figure 1 This is a perspective view of the machine tool spindle loading test equipment of the present invention;

[0018] Figure 2 for Figure 1 A three-dimensional view of the support platform of the machine tool spindle loading test equipment;

[0019] Figure 3 for Figure 2 A three-dimensional view of the fixed platform of the support platform;

[0020] Figure 4 for Figure 2 A three-dimensional view of the movable platform supporting the base;

[0021] Figure 5 for Figure 4 Another 3D view of the activity platform;

[0022] Figure 6 for Figure 1 A three-dimensional view of the spindle components of the machine tool spindle loading test equipment;

[0023] Figure 7 for Figure 1 A three-dimensional view of the drive unit of the machine tool spindle loading test equipment;

[0024] Figure 8 for Figure 1 A three-dimensional view of the axial force load loading device of the machine tool spindle loading test equipment;

[0025] Figure 9 for Figure 1 A perspective view of the radial force load loading device of the machine tool spindle loading test equipment;

[0026] Figure 10 for Figure 1 A three-dimensional view of the torque load loading device of the machine tool spindle loading test equipment;

[0027] Figure 11 for Figure 1 A schematic diagram of the operating equipment for the machine tool spindle loading test device.

[0028] In the diagram: 10. Support platform; 11. Fixed platform; 110. Main body; 111. Support leg; 112. Tabletop; 1120. Mounting slot; 113. First moving structure; 1130. First slide rail; 1131. First driving component; 1132. First mounting plate; 114. Second moving structure; 1140. Second slide rail; 1141. Second driving component; 1142. Second mounting plate; 12. Movable platform; 120. Base; 121. Lifting driving component; 122. 1. Mounting bracket; 123. Third moving structure; 1230. Third slide rail; 1231. Third driving component; 1232. Third mounting plate; 124. Fourth moving structure; 1240. Fourth slide rail; 1241. Fourth driving component; 1242. Fourth mounting plate; 125. Slider; 20. Force loading device; 21. Chuck; 22. Claw; 23. Force bearing component; 30. Driving device; 31. Mounting plate; 32. Fifth driving component; 33. First transmission component; 4 0. Axial force load loading device; 41. First bracket; 42. Sixth drive component; 420. First motor; 421. First push rod; 43. First sensor; 44. Fixed pressure plate; 50. Radial force load loading device; 51. Second bracket; 52. Seventh drive component; 520. Second motor; 521. Second push rod; 53. Second sensor; 54. Radial loading stabilizer; 60. Torque load loading device; 61. Brake; 62. Third bracket; 63. Torque sensor; 64. Coupling; 65. Torque output shaft; 66. Precision adjustment structure; 70. Operating equipment; 71. Operating table; 72. Main control computer; 73. Axial force display instrument; 74. Radial force display instrument; 75. Torque display instrument; 76. Cable; 80. Signal detection device; 81. Temperature detection sensor; 82. Vibration detection sensor; 83. Processing module; 200. Main spindle assembly; 201. Mounting base; 202. Second transmission component. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or it can be fixed through another intermediate component. When a component is said to be "connected to" another component, it can be directly connected to the other component or it may be fixed through another intermediate component. When a component is said to be "set on" another component, it can be set directly on the other component or it may be set through another intermediate component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0032] Figures 1 to 11 The present invention provides a machine tool spindle loading test device. The machine tool spindle loading test device is used to simulate the real use environment of the spindle component 200, and to load the spindle component 200 with radial force, axial force and torque to test the performance of the spindle component 200.

[0033] The machine tool spindle loading test equipment includes a support platform 10, a force loading device 20, a drive device 30, an axial force load loading device 40, a radial force load loading device 50, a torque load loading device 60, an operating device 70, and a signal detection device 80.

[0034] The support platform 10 includes a fixed platform 11 and a movable platform 12.

[0035] The fixed platform 11 includes a main body 110, support feet 111, a table surface 112, a first moving structure 113, and a second moving structure 114. The support feet 111 are fixed to the bottom of the main body 110, supporting the main body 110. The table surface 112 is fixed to the top of the main body 110 and is used to mount the spindle assembly 200. The table surface 112 has several parallel mounting slots 1120, in which the spindle assembly 200 is mounted. The mounting position of the spindle assembly 200 can be adjusted via the mounting slots 1120, making operation simple and convenient. The mounting slots 1120 extend along a second direction.

[0036] The first moving structure 113 includes a first slide rail 1130, a first driving member 1131, and a first mounting plate 1132. There are two first slide rails 1130, both fixed to the table surface 112. The two first slide rails 1130 extend along a first direction perpendicular to the second direction. The first driving member 1131 includes a lead screw and a handle mounted on the end of the lead screw. The lead screw is rotatably mounted on the table surface 112 and connected to the first mounting plate 1132 via a nut. The first mounting plate 1132 is slidably mounted on the first slide rail 1130, and the first driving member 1131 drives the first mounting plate 1132 to reciprocate along the first direction.

[0037] The second moving structure 114 includes a second slide rail 1140, a second driving member 1141, and a second mounting plate 1142. There are two second slide rails 1140, both fixed to the first mounting plate 1132. The two second slide rails 1140 extend along a second direction. The second driving member 1141 includes a lead screw and a handle mounted on the end of the lead screw. The lead screw is rotatably mounted on the first mounting plate 1132 and connected to the second mounting plate 1142 via a nut. The second mounting plate 1142 is slidably mounted on the second slide rails 1140, and the second driving member 1141 drives the second mounting plate 1142 to reciprocate along the second direction.

[0038] The drive device 30 is fixed to the second mounting plate 1142 of the second moving structure 114. The first moving structure 113 drives the second moving structure 114 and the drive device 30 to move along the first direction. The second moving structure 114 drives the drive device 30 to move along the second direction to adjust the position of the drive device 30 so that the drive device 30 is connected to the spindle component 200 in a transmission connection.

[0039] The movable platform 12 includes a base 120, a lifting drive component 121, a mounting bracket 122, a third moving structure 123, a fourth moving structure 124, and a slider 125.

[0040] The lifting drive component 121 includes a handle, a lead screw, and a nut. The lead screw is rotatably mounted on the base 120. The handle is rotatably mounted on the base 120 and is connected to the lead screw via a transmission connection. The nut engages with the lead screw and is connected to the mounting bracket 122. Rotating the handle causes the mounting bracket 122 to move vertically up and down via the lead screw, thereby adjusting the height of the mounting bracket 122. A slider 125 is fixed to the mounting bracket 122 and is slidably connected to the main body 110 of the fixed platform 11, allowing the mounting bracket 122 to slide relative to the fixed platform 11.

[0041] The third moving structure 123 includes a third slide rail 1230, a third driving member 1231, and a third mounting plate 1232. There are two third slide rails 1230, which extend along a first direction and are fixed to the mounting frame 122. The third driving member 1231 includes a lead screw and a handle mounted on the end of the lead screw. The lead screw is rotatably mounted on the mounting frame 122 and connected to the third mounting plate 1232 via a nut. The third mounting plate 1232 is slidably mounted on the third slide rail 1230, and the third driving member 1231 drives the third mounting plate 1232 to reciprocate along the first direction. An axial force load loading device 40 and a radial force load loading device 50 are mounted on the third mounting plate 1232, and the third moving structure 123 drives the axial force load loading device 40 and the radial force load loading device 50 to reciprocate along the first direction.

[0042] The fourth moving structure 124 includes a fourth slide rail 1240, a fourth driving member 1241, and a fourth mounting plate 1242. There are two fourth slide rails 1240, which are fixed to the third mounting plate 1232 of the third moving structure 123. The fourth slide rails 1240 extend in a second direction. The fourth driving member 1241 includes a lead screw and a handle mounted on the end of the lead screw. The lead screw is rotatably mounted on the third mounting plate 1232. The lead screw is connected to the fourth mounting plate 1242 via a nut. The fourth mounting plate 1242 is slidably mounted on the fourth slide rail 1240. The fourth driving member 1241 drives the fourth mounting plate 1242 to reciprocate along the second direction.

[0043] The torque load loading device 60 is fixed to the fourth mounting plate 1242. The third moving structure 123 drives the torque load loading device 60 to reciprocate along the first direction, and the fourth moving structure 124 drives the torque load loading device 60 to reciprocate along the second direction.

[0044] The force loading device 20 includes a chuck 21, jaws 22, and a force-bearing component 23. The chuck 21 is fixed to the spindle assembly 200, and the spindle assembly 200 rotates the chuck 21. The force-bearing component 23 consists of a fixed rod and a rotating pressure plate. The fixed rod is clamped by the jaws 22 and connected to the chuck 21. Bearings are installed between the rotating pressure plates. During axial force loading, the front end face of the rotating pressure plate directly contacts the fixed pressure plate 44 of the axial force load loading device 40, and its outer circumferential surface directly contacts the radial load stabilizer 54 of the radial force load loading device 50 during radial force loading. This design allows the spindle and fixed rod to rotate together during loading, but the rotating pressure plate, the fixed pressure plate 44, and the radial load stabilizer 54 of the loading section will not rotate together. The radial load stabilizer 54 consists of a fixed part and two bearing bearings, which can effectively bear the radial load between itself and the fixed pressure plate 44.

[0045] The drive unit 30 includes a mounting plate 31, a fifth drive component 32, and a first transmission component 33. The mounting plate 31 is fixed to the second mounting plate 1142 of the second moving structure 114. The first moving structure 113 drives the second moving structure 114 and the drive unit 30 to move along a first direction. The second moving structure 114 drives the drive unit 30 to move along a second direction to adjust the position of the drive unit 30, thereby establishing a transmission connection between the drive unit 30 and the spindle assembly 200. The fifth drive component 32 is a motor, fixed to the mounting plate 31. The first transmission component 33 is rotatably mounted on the fifth drive component 32 and connected to the output end of the fifth drive component 32. Specifically, the first transmission component 33 is a pulley, connected to the spindle assembly 200 via a belt, driving the spindle assembly 200 to rotate.

[0046] The axial force load loading device 40 includes a first bracket 41, a sixth drive member 42, a first sensor 43, a fixed pressure plate 44, an axial loading origin sensor, and an axial forward limit sensor. The first bracket 41 is fixed to the third mounting plate 1232, and the third moving structure 123 drives the axial force load loading device 40 to reciprocate along the first direction. The sixth drive member 42 includes a first motor 420 and a first push rod 421. The first sensor 43 is installed at the end of the first push rod 421, and the fixed pressure plate 44 is installed at the end of the first push rod 421. The first sensor 43 is a tension / compression sensor. When axial force is applied, the first motor 420 drives the first push rod 421 to move forward. The first sensor 43 and the fixed pressure plate 44 are located on the moving rod of the first push rod 421, and they move forward together, bringing the fixed pressure plate 44 into contact with the front end face of the rotating pressure plate on the spindle component 200, so that the spindle component 200 bears the axial force load (i.e., achieves the purpose of axial loading). The tension / compression sensor is used to detect the magnitude of the applied axial force. The axial loading origin sensor and the axial forward limit sensor are used to detect the position of the first push rod 421 before and during loading. This position can be adjusted to meet the needs of different loading occasions.

[0047] The radial force load loading device 50 includes a second bracket 51, a seventh drive member 52, a second sensor 53, a radial load stabilizer 54, a radial load origin sensor, and a radial forward limit sensor. The second bracket 51 is fixed to the third mounting plate 1232, and the third moving structure 123 drives the radial force load loading device 50 to reciprocate along the first direction. The seventh drive member 52 includes a second motor 520 and a second push rod 521. The second motor 520 is fixed to the second bracket 51, and the output end of the second motor 520 is connected to the second push rod 521. The second sensor 53 is a tension / compression sensor. When radial force is applied, the second motor 520 drives the second push rod 521 to move forward. The tension / compression sensor and the radial load stabilizer 54 are located on the moving rod of the second push rod 521, and they move forward accordingly, bringing the radial load stabilizer 54 into contact with the outer circumference of the rotating pressure plate on the spindle component 200, so that the spindle component 200 bears the radial force load (i.e., achieves the purpose of radial loading). The tension / compression sensor is used to detect the magnitude of the applied axial force. The radial loading origin sensor and the radial forward limit sensor are used to detect the position of the second push rod 521 before and during loading. This position can be adjusted to meet the needs of different loading scenarios.

[0048] The torque load loading device 60 includes a brake 61, a third bracket 62, a torque sensor 63, a coupling 64, a torque output shaft 65, and a precision adjustment structure 66. The brake 61 and the third bracket 62 are fixed to a fourth mounting plate 1242. A third moving structure 123 drives the torque load loading device 60 to reciprocate along a first direction, and a fourth moving structure 124 drives the torque load loading device 60 to reciprocate along a second direction. The torque sensor 63 is mounted on the third bracket 62. The output shaft of the brake 61 is connected to the torque sensor 63 via the coupling 64. The brake 61 requires cooling water during operation, and a pressure detection switch is used to detect the pressure of the cooling water circulation path. The torque sensor 63 is used to detect the torque magnitude during the torque loading test. The output current of the brake 61 can be adjusted by a controller to adjust the torque loaded on the spindle.

[0049] The operating device 70 includes an operating console 71, a main control computer 72, an axial force display instrument 73, a radial force display instrument 74, a torque display instrument 75, and cables 76. The main control computer 72 is installed on the operating console 71. The axial force display instrument 73, the radial force display instrument 74, and the torque display instrument 75 are connected to the axial force load loading device 40, the radial force load loading device 50, and the torque load loading device 60 via cables 76, realizing functions such as driving the spindle component 200, applying and controlling force and torque loads, and detecting and recording signals.

[0050] The signal detection device 80 includes temperature sensors 81, vibration sensors 82, and a processing module 83. There are three temperature sensors 81, which are used to detect the front bearing temperature, rear bearing temperature, and ambient temperature during spindle operation, respectively. If the temperature is abnormal during spindle operation, the control system will issue an alarm or shut down the machine. There are four vibration sensors 82, which are located in the horizontal radial direction and vertical diameter direction of the front bearing, and in the horizontal radial direction and vertical diameter direction of the rear bearing. If the vibration is abnormal during spindle operation, the control system will also issue an alarm or shut down the machine. The temperature, vibration, force load, and torque load control and processing module 83 is installed inside the test control console 71. By detecting and periodically recording the signals from these sensors, it monitors the data of the spindle component 200 during testing. Simultaneously, the reliability and stability performance levels of the spindle component 200 can be evaluated by analyzing the recorded signals.

[0051] When using a machine tool spindle to load the testing equipment, the following steps are included:

[0052] 1. Leveling of the test platform: Adjust the level accuracy of the platform surface 112 of the fixed platform 11 and the mounting bracket 122 of the movable platform 12 by using the anchor bolts, and use a level to check.

[0053] 2. Installation of spindle assembly 200 and adjustment of force loading device 20:

[0054] Place the mounting base 201 of the spindle component 200 to be tested in the area of ​​the table surface 112 of the fixed table 11;

[0055] Install the force loading device 20 onto the spindle;

[0056] Adjust the vertical position of the movable table 12 so that the axes of the first push rod 421 and the second push rod 521 of the axial force load loading device 40 and the radial force load loading device 50 are kept in the same horizontal plane as the main shaft axis.

[0057] Adjust the horizontal position accuracy of the spindle assembly 200 on the table 112 by adjusting the screws to ensure that the spindle axis is parallel to the movement axis of the first push rod 421; then fix the spindle assembly 200 on the table 112.

[0058] 3. Adjustment of the spindle drive components

[0059] The first moving structure 113 and the second moving structure 114 drive the drive device 30 to move, thereby adjusting the position of the drive device 30 so that the first transmission member 33 and the second transmission member 202 are in the same plane. The first transmission member 33 and the second transmission member 202 are connected by a belt, and the left and right positions of the third mounting plate 1232 are adjusted so that the belt tension is appropriate.

[0060] 4. Axial force loading test

[0061] The main control computer 72 drives the first push rod 421 of the axial force load loading device 40 to move forward, and loads the set axial force onto the rotating pressure plate through the fixed pressure plate 44.

[0062] The main control computer 72 drives the spindle component 200 to operate under axial load by setting a program.

[0063] 5. Axial force unloading

[0064] After the axial force loading test is completed, the main control computer 72 controls the first push rod 421 to return to its original position, thus completing the unloading of the axial force.

[0065] 6. Radial force loading test

[0066] The main control computer 72 drives the second push rod 521 of the radial force load loading device 50 to move forward, and loads the set axial force onto the rotating pressure plate through the radial loading stabilizer 54.

[0067] The main control computer 72 drives the spindle component 200 to operate under radial load conditions by setting a program.

[0068] 7. Radial force unloading

[0069] After the radial force loading test is completed, the main control computer 72 controls the second push rod 521 to return to its original position, thus completing the unloading of the radial force.

[0070] 8. Adjustment of the torque loading device:

[0071] Remove the force-bearing component 23 from the force loading device 20, and clamp one end of the torque output shaft 65 to the chuck 21 after clamping it with the jaw 22.

[0072] The fourth mounting plate 1242 of the movable platform 12 is adjusted up and down and left and right by the third moving structure 123 and the lifting drive component 121, so that the torque load loading device 60 is located in front of the main shaft component 200. The front and rear positions of the fourth mounting plate 1242 are adjusted by the fourth moving structure 124, so that the torque output shaft 65 of the torque sensor 63 on the torque load loading device 60 is close to the coupling 64.

[0073] Remove coupling 64, loosen the fixing screws of spindle assembly 200 on table 112, adjust the coaxiality between torque output shaft 65 and coupling 64 using a dial indicator, fix spindle assembly 200 after adjustment, install and tighten coupling 64, and fix third moving structure 123 and fourth moving structure 124.

[0074] 9. Torque loading test

[0075] The main control computer 72 drives the brake 61 of the spindle torque load loading device 60, which generates a set torque load when the spindle is running and loads it onto the spindle component 200 through the coupling 64, torque sensor 63, torque output shaft 65, and torque loading connecting shaft.

[0076] The main control computer 72 drives the spindle component 200 to operate under torque load conditions by setting a program.

[0077] 10. Recording, analyzing, and storing experimental data.

[0078] The main control computer 72 detects and records data during the test through relevant control and processing modules 83 and detection sensors, and plots the change curves. It judges the temperature and vibration data during the test according to the test specifications; if the specifications are met, the test result is output as "qualified"; otherwise, the test result is output as "unqualified" and an alarm is displayed. Simultaneously, the test system can evaluate the reliability and stability performance of the tested spindle component 200 by analyzing the recorded data.

[0079] Through the above design, the drive device 30, axial force load loading device 40, radial force load loading device 50 and torque load loading device 60 can be easily moved to the matching position with the spindle component 200, so that the spindle component 200 does not need to be moved or disassembled during loading test, and the spindle can perform a variety of simulation tests at the same station, and the test process is simple and convenient to operate.

[0080] The above embodiments merely illustrate several implementation methods of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the invention patent. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These are all equivalent modifications and improvements made to the above embodiments based on the essential technology of the present invention, and all of these fall within the protection scope of the present invention.

Claims

1. A machine tool spindle loading test device, comprising a support platform, characterized in that: The machine tool spindle loading test equipment further includes a drive device, an axial force load loading device, a radial force load loading device, and a torque load loading device. The support platform includes a fixed platform and a movable platform. The fixed platform includes a table surface, a first movable structure, and a second movable structure. The table surface is used to mount the spindle component. The first movable structure is mounted on the table surface and can move relative to the table surface in a first direction. The second movable structure is mounted on the first movable structure and can move relative to the first movable structure in a second direction perpendicular to the first direction. The drive device is mounted on the second movable structure and is drively connected to the spindle component to provide rotational power to the spindle component. The movable platform includes a base, a lifting drive, a mounting frame, a third moving structure, and a fourth moving structure. The mounting frame is mounted on the base via the lifting drive and is capable of moving vertically relative to the fixed platform. The third moving structure is mounted on the mounting frame and is capable of moving in a first direction relative to the mounting frame. The fourth moving structure is mounted on the third moving structure and is capable of moving in a second direction relative to the third moving structure. The axial force load loading device and the radial force load loading device are mounted on the third moving structure, and the torque load loading device is mounted on the fourth moving structure. The axial force load loading device includes a fixed pressure plate, which applies an axial force to the spindle component. The radial force load loading device includes a radial load stabilizer, which applies a radial force to the spindle component. The axial force load loading device and the radial force load loading device are located on both sides of the spindle component, and the axis of the axial force load loading device is perpendicular to the axis of the radial force load loading device.

2. The machine tool spindle loading test equipment according to claim 1, characterized in that: The movable platform is located on one side of the fixed platform.

3. The machine tool spindle loading test equipment according to claim 1, characterized in that: The table surface is provided with a mounting groove that extends along the second direction. The spindle component is mounted in the mounting groove, and the mounting position of the spindle component is adjusted through the mounting groove.

4. The machine tool spindle loading test equipment according to claim 1, characterized in that: The axis of the axial force load loading device extends along the second direction.

5. The machine tool spindle loading test equipment according to claim 1, characterized in that: The axis of the radial force load loading device extends along the first direction.

6. The machine tool spindle loading test equipment according to claim 1, characterized in that: The axis of the torque load loading device extends along the second direction.

7. The machine tool spindle loading test equipment according to any one of claims 1-6, characterized in that: The lifting drive component is a lead screw, and the movable platform also includes a handle. The handle is rotatably mounted on the base, and rotating the handle drives the lead screw to rotate, thereby raising and lowering the mounting frame.

8. The machine tool spindle loading test equipment according to any one of claims 1-6, characterized in that: The first movable structure includes a first slide rail, a first driving member, and a first mounting plate. The first slide rail is fixed to the table surface and extends along the first direction. The first mounting plate is slidably mounted on the first slide rail. The first driving member is mounted on the table surface and connected to the first mounting plate. The first driving member drives the first mounting plate to move relative to the table surface.

9. The machine tool spindle loading test equipment according to claim 8, characterized in that: The first driving component includes a lead screw and a handle mounted on the end of the lead screw. The lead screw is rotatably mounted on the table surface and is engaged with the first mounting plate by a nut.

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