WO2024050942A1

WO2024050942A1 - Machine tool spindle loading test apparatus

Info

Publication number: WO2024050942A1
Application number: PCT/CN2022/128521
Authority: WO
Inventors: 管强; 席晨飞; 周翔
Original assignee: 纽威数控装备(苏州)股份有限公司
Priority date: 2022-09-07
Filing date: 2022-10-31
Publication date: 2024-03-14
Also published as: CN116358844A

Abstract

The present invention belongs to the field of machine tool testing. Disclosed is a machine tool spindle loading test apparatus. A support table is divided into a fixed table, on which a spindle part and a driving device are mounted, and a movable table, on which an axial force load applying device, a radial force load applying device and a torque load applying device are mounted. The axial force load applying device, the radial force load applying device and the torque load applying device may move relative to the fixed table in the vertical direction, a first direction and a second direction perpendicular to the first direction, such that the driving device, the axial force load applying device, the radial force load applying device and the torque load applying device can be easily moved to positions to cooperate with the spindle part. Thus, during a loading test, the spindle part is not required to be moved and disassembled, and can be subjected to various simulation tests at the same station.

Description

Machine tool spindle loading test equipment

Technical field

The invention relates to the field of machine tool testing, and in particular to a machine tool spindle loading test equipment.

Background technique

As one of the most important functional components of the machine tool, the spindle component of the CNC machine tool has a significant impact on the reliability level of the entire machine.

Due to the high-speed movement of the spindle, accuracy is easily lost in the cutting state. Spindle testing requires testing of axial force, radial force, torque and other aspects while effectively simulating the actual working conditions of the spindle components. In the existing spindle testing device, after the spindle component is installed, it can only perform one test. When other tests are required, the spindle position needs to be adjusted. Therefore, the spindle needs to be frequently disassembled and assembled, resulting in a heavy workload during the test process. inconvenient.

Contents of the invention

In order to overcome the shortcomings of the prior art, one of the purposes of the present invention is to provide a machine tool spindle loading test equipment that can perform multiple simulation tests on the spindle at the same work station, and the test process is simple and convenient to operate.

One of the purposes of the present invention is achieved by adopting the following technical solutions:

A machine tool spindle loading test equipment, including a support platform, a driving 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, and the fixed platform includes A table, a first moving structure and a second moving structure. The table is used to install a spindle component. The first moving structure is installed on the table and can move in a first direction relative to the table. The second moving structure Installed on the first moving structure and capable of moving in a second direction perpendicular to the first direction relative to the first moving structure, the driving device is installed on the second moving structure, and the driving device is connected to the first moving structure. The main shaft component is driven and connected to provide rotational power to the main shaft component. The movable platform includes a base, a lifting driving member, a mounting frame, a third moving structure and a fourth moving structure. The mounting frame is installed through the lifting driving member. On the base, the mounting bracket can move in the vertical direction relative to the fixed platform, the third moving structure is installed on the mounting bracket, and the third moving structure can move in the vertical direction relative to the mounting bracket. Move in the first direction, the fourth moving structure is installed on the third moving structure, the fourth moving structure can move in the second direction relative to the third moving structure, the axial force load loading device And the radial force load loading device is installed on the third moving structure, and the torque load loading device is installed on the fourth moving structure.

Further, the movable platform is located on one side of the fixed platform.

Further, the table top is provided with an installation groove, the installation groove extends along the second direction, the main shaft component is installed in the installation groove, and the installation position of the main shaft component is adjusted through the installation groove.

Further, the axial force load loading device includes a fixed pressure plate that applies an axial force to the main shaft component, the radial force load loading device includes a radial load stabilizer, and the radial force load loading device includes a radial load stabilizer. The loading stabilizer applies a radial force to the main shaft component. The axial force load loading device and the radial force load loading device are respectively located on both sides of the main shaft component. The axis of the axial force load loading device perpendicular to the axis of the radial force loading device.

Further, the axis of the axial force load loading device extends along the second direction.

Further, the axis of the radial force load loading device extends along the first direction.

Further, the axis of the torque load loading device extends along the second direction.

Further, the lifting driving member is a screw rod, and the movable platform further includes a handle. The handle is rotatably installed on the base. The rotation of the handle drives the screw rod to rotate, so that the mounting frame is raised and lowered.

Further, the first moving structure includes a first slide rail, a first driving member and a first mounting plate. The first slide rail is fixed on the table, and the first slide rail extends along the first direction. , the first mounting plate is slidably installed on the first slide rail, the first driving part is installed on the table and connected to the first mounting plate, and the first driving part drives the first installation The plate moves relative to the table.

Further, the first driving member includes a screw rod and a handle installed on the end of the screw rod. The screw rod is rotatably installed on the table, and the screw rod cooperates with the first mounting plate through a nut.

Compared with the prior art, the support platform of the machine tool spindle loading test equipment of the present invention includes a fixed platform and a movable platform. The first mobile structure is installed on the table and can move in the first direction relative to the table, and the second mobile structure is installed on the first mobile structure. And can move in a second direction perpendicular to the first direction relative to the first moving structure. The driving device is installed on the second moving structure. The driving device is transmission connected with the main shaft component to provide rotational power to the main shaft component. The mounting frame is installed through a lifting driving component. On the base, the installation frame can move in the vertical direction relative to the fixed platform, the third mobile structure is installed on the installation frame, the third mobile structure can move in the first direction relative to the installation frame, and the fourth mobile structure is installed on the third mobile structure, The fourth mobile structure can move in the second direction relative to the third mobile structure. The axial force load loading device and the radial force load loading device are installed on the third mobile structure. The torque load loading device is installed on the fourth mobile structure. Through the above design , the driving device, axial force load loading device, radial force load loading device and 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 the loading test, and the spindle is in the same position. The work station can carry out a variety of simulation tests, and the test process is simple and convenient to operate.

Description of the drawings

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

Figure 2 is a perspective view of the support platform of the machine tool spindle loading test equipment in Figure 1;

Figure 3 is a perspective view of the fixed platform of the support platform in Figure 2;

Figure 4 is a perspective view of the movable platform of the support platform in Figure 2;

Figure 5 is another perspective view of the movable platform of Figure 4;

Figure 6 is a perspective view of the spindle component of the machine tool spindle loading test equipment in Figure 1;

Figure 7 is a perspective view of the driving device of the machine tool spindle loading test equipment of Figure 1;

Figure 8 is a perspective view of the axial force loading device of the machine tool spindle loading test equipment in Figure 1;

Figure 9 is a perspective view of the radial force loading device of the machine tool spindle loading test equipment in Figure 1;

Figure 10 is a perspective view of the torque load loading device of the machine tool spindle loading test equipment in Figure 1;

Figure 11 is a schematic diagram of the operating equipment of the machine tool spindle loading test equipment of Figure 1.

In the figure: 10. Supporting platform; 11. Fixed platform; 110. Main body; 111. Supporting feet; 112. Table top; 1120. Installation slot; 113. First moving structure; 1130. First slide rail; 1131. First drive 1132. First mounting plate; 114. Second moving structure; 1140. Second slide rail; 1141. Second driving member; 1142. Second mounting plate; 12. Movable table; 120. Base; 121. Lift drive 122. Mounting frame; 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 , the fourth driving member; 1242. the fourth mounting plate; 125. slider; 20. force loading device; 21. chuck; 22. claw; 23. force bearing member; 30. driving device; 31. mounting plate; 32. The fifth driving part; 33. The first transmission part; 40. The axial force load loading device; 41. The first bracket; 42. The sixth driving part; 420. The first motor; 421. The first push rod; 43 , the first sensor; 44. fixed pressure plate; 50. radial force load loading device; 51. second bracket; 52. seventh driving member; 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. Operation console; 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. Spindle component; 201. Mounting seat; 202. Second transmission part.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or another intermediate component may be present through which it is fixed. When a component is said to be "connected" to another component, it can be directly connected to the other component or there may be another intermediate component present at the same time. When a component is said to be "disposed on" another component, it can be directly located on the other component or another intervening component may be present. The terms "vertical," "horizontal," "left," "right" and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the invention belongs. The terminology used herein in the description of the invention is for the purpose of describing specific embodiments only and is not intended to limit the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

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

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

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

The fixed platform 11 includes a main body 110, support legs 111, a table top 112, a first moving structure 113 and a second moving structure 114. The supporting legs 111 are fixed on the bottom of the main body 110 to support the main body 110 . The table 112 is fixed on the top of the main body 110 and is used to install the spindle component 200 . The table 112 is provided with a number of mutually parallel mounting slots 1120. The spindle component 200 is installed in the mounting slots 1120. The mounting position of the spindle component 200 can be adjusted through the mounting slots 1120, making the operation simple and convenient. The mounting groove 1120 extends along the second direction.

The first moving structure 113 includes a first slide rail 1130, a first driving member 1131, and a first mounting plate 1132. The number of first slide rails 1130 is two, and the two first slide rails 1130 are fixed on the table top 112 . The two first slide rails 1130 extend along a first direction perpendicular to the second direction. The first driving member 1131 includes a screw rod and a handle installed on the end of the screw rod. The screw rod is rotatably installed on the table 112, and the screw rod is connected to the first mounting plate 1132 through 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 in the first direction.

The second moving structure 114 includes a second slide rail 1140, a second driving member 1141 and a second mounting plate 1142. The number of the second slide rails 1140 is two, and the two second slide rails 1140 are fixed to the first mounting plate 1132 . The two second slide rails 1140 extend along the second direction. The second driving member 1141 includes a screw rod and a handle installed on the end of the screw rod. The screw rod is rotatably installed on the first installation plate 1132, and the screw rod is connected to the second installation plate 1142 through a nut. The second mounting plate 1142 is slidably mounted on the second slide rail 1140, and the second driving member 1141 drives the second mounting plate 1142 to reciprocate in the second direction.

The driving 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 driving device 30 to move along the first direction. The second moving structure 114 drives the driving device 30 along the second direction. direction to adjust the position of the driving device 30 so that the driving device 30 is drivingly connected to the main shaft component 200 .

The movable platform 12 includes a base 120 , a lifting driving member 121 , a mounting frame 122 , a third moving structure 123 , a fourth moving structure 124 and a slider 125 .

The lifting driving member 121 includes a handle, a screw rod and a nut. The screw rod is rotatably mounted on the base 120 . The handle is rotatably mounted on the base 120 and is drivingly connected to the screw rod. The nut cooperates with the screw rod and is connected to the mounting bracket 122. Turn the handle to move the mounting bracket 122 up and down in the vertical direction through the screw rod to adjust the height of the mounting bracket 122. The slider 125 is fixed to the mounting bracket 122 and is slidably connected to the main body 110 of the fixed platform 11 so that the mounting bracket 122 can slide relative to the fixed platform 11 .

The third moving structure 123 includes a third slide rail 1230, a third driving member 1231 and a third mounting plate 1232. The number of the third slide rails 1230 is two. The two third slide rails 1230 extend along the first direction and are fixed to the mounting bracket 122 . The third driving member 1231 includes a screw rod and a handle installed on the end of the screw rod. The screw rod is rotatably installed on the mounting frame 122, and the screw rod is connected to the third mounting plate 1232 through 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 in the first direction. The axial force load loading device 40 and the radial force load loading device 50 are installed on the third mounting plate 1232. 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. .

The fourth moving structure 124 includes a fourth slide rail 1240, a fourth driving member 1241 and a fourth mounting plate 1242. The number of the fourth slide rails 1240 is two, and the two fourth slide rails 1240 are fixed to the third mounting plate 1232 of the third moving structure 123 . The extension direction of the fourth slide rail 1240 is the second direction. The fourth driving member 1241 includes a screw rod and a handle installed on the end of the screw rod. The screw rod is rotatably mounted on the third mounting plate 1232. The screw rod is connected to the fourth mounting plate 1242 through a nut. The fourth mounting plate 1242 is slidably installed on the fourth slide rail 1240 . The fourth driving member 1241 drives the fourth mounting plate 1242 to reciprocate in the second direction.

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.

The force loading device 20 includes a chuck 21 , a claw 22 and a force bearing member 23 . The chuck 21 is fixed on the spindle component 200. When the spindle component 200 is running, the chuck 21 will be driven to rotate. The force bearing member 23 consists of a fixed rod and a rotating pressure plate. The fixed rod is clamped by the claws 22 and then connected to the chuck. 21, a bearing is installed between the rotating pressure plate. When the axial force is loaded, the front end surface of the rotating pressure plate directly contacts the fixed pressure plate 44 of the axial force loading device 40, and its outer circumferential surface is in diameter. When the force is loaded, it directly contacts the radial loading stabilizer 54 of the radial force loading device 50, which can cause the main shaft and the fixed rod to run together during loading, but the rotating pressure plate and the fixed pressure plate 44 of the loading part are not in contact with the radial force loading device 50. The purpose of loading the stabilizer 54 part is not to run together. The radial load stabilizer 54 is composed of a fixed part and two load-bearing bearings, and can better bear the radial load between the fixed pressure plate 44 and the fixed pressure plate 44 .

The driving device 30 includes a mounting plate 31 , a fifth driving part 32 and a first transmission part 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 driving device 30 to move along the first direction. The second moving structure 114 drives the driving device 30 along the second direction. direction to adjust the position of the driving device 30 so that the driving device 30 is drivingly connected to the main shaft component 200 . The fifth driving component 32 is a motor and is fixed on the mounting plate 31 . The first transmission member 33 is rotatably mounted on the fifth driving member 32 and connected to the output end of the fifth driving member 32 . Specifically, the first transmission member 33 is a pulley, and the first transmission member 33 is connected to the main shaft component 200 through a belt to drive the main shaft component 200 to rotate.

The axial force load loading device 40 includes a first bracket 41, a sixth driving 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 driving 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 the axial force is loaded, 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 will move forward and be fixed. The pressure plate 44 contacts the front end surface of the rotating pressure plate on the main shaft component 200, so that the main shaft component 200 bears the load of axial force (that is, to achieve the purpose of axial loading). The tension and compression sensor is used to detect the load of the axial force. size value. The axial loading origin sensor and the axial forward limit sensor are used to detect the position of the first push rod 421 before loading and during loading. The position can be adjusted to meet the needs of different loading situations.

The radial force load loading device 50 includes a second bracket 51, a seventh driving 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 driving member 52 includes a second motor 520 and a second push rod 521. The second motor 520 is fixed on 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 the radial force is loaded, the second motor 520 drives the second push rod 521 to move forward. The tension and pressure sensor and the radial loading stabilizer 54 are located on the moving rod of the second push rod 521. They then move forward and move the radial force. The loading stabilizer 54 contacts the outer circumference of the rotating pressure plate on the spindle component 200, so that the spindle component 200 bears the load of radial force (that is, to achieve the purpose of radial loading). The tension and compression sensor is used to detect the loaded axial direction. force magnitude. 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, and the position can be adjusted to meet the needs of different loading situations.

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 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. . The torque sensor 63 is installed on the third bracket 62 . The output shaft of the brake 61 and the torque sensor 63 are connected through a coupling 64. When the brake 61 operates, it needs a cooling circulating water circuit for cooling, and the pressure detection switch is used to detect the pressure of the cooling circulating water circuit. The torque sensor 63 is used to detect the torque during the torque loading test, and the controller can adjust the output current of the brake 61 to adjust the spindle loading torque.

The operating equipment 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 a cable 76 . The main control computer 72 is installed on the operating console 71, and 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 through cables 76 The loading device 60 is connected to realize the driving operation of the spindle component 200, application and control of force and torque loads, signal detection and control recording, and other functions.

The signal detection device 80 includes a temperature detection sensor 81 , a vibration detection sensor 82 and a processing module 83 . The number of temperature detection sensors 81 is three. The three temperature detection sensors 81 are respectively used to detect the front bearing temperature, rear bearing temperature, and ambient temperature when the spindle is running. If the temperature of the spindle is abnormal when the spindle is running, the control system will alarm or shut down. . The number of vibration detection sensors 82 is four, and the four vibration detection sensors 82 are respectively the horizontal radial direction of the main shaft front bearing and the vertical radial direction of the main shaft front bearing, the horizontal radial direction of the main shaft rear bearing and the vertical direction of the main shaft rear bearing. In the radial direction, if the spindle vibrates abnormally during operation, the control system will also issue an alarm or shut down. The control and processing module 83 for temperature, vibration, force load, and torque load is installed inside the test control console 71. By detecting and recording the above-mentioned sensor signals in real time, the purpose of monitoring the test data of the spindle component 200 is achieved. At the same time, Performance levels such as reliability and stability of the spindle component 200 can be evaluated by analyzing the recorded signals.

When using the machine tool spindle to load the test equipment, the following steps are included:

1. Horizontal adjustment of the test platform: adjust the horizontal accuracy of the table 112 of the fixed platform 11 and the mounting frame 122 of the movable platform 12 through the anchor support bolts, and use a level for detection.

2. Installation of the spindle component 200 and adjustment of the force loading device 20:

Place the mounting seat 201 of the spindle component 200 to be tested in the area of the table top 112 of the fixed table 11;

Install the force loading device 20 on the spindle;

Adjust the up and down 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 spindle axis;

Adjust the horizontal position accuracy of the spindle component 200 on the table 112 by adjusting the screw to ensure that the spindle axis is parallel to the movement axis of the first push rod 421; then, the spindle component 200 is fixed on the table 112.

3. Adjustment of spindle drive components

The first moving structure 113 and the second moving structure 114 drive the driving device 30 to move to adjust the position of the driving device 30 so that the first transmission member 33 and the second transmission member 202 are in the same plane, and a belt is used to connect the first transmission member 33 and the second transmission member 202, adjust the left and right positions of the third mounting plate 1232 to ensure that the belt tensioning force is appropriate.

4. Axial force loading test

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

The main control computer 72 drives the operation of the spindle component 200 through the setting program to perform a loading test under an axial load state.

5. Axial force unloading

After the axial force loading test is completed, the main control computer 72 controls the first push rod 421 to return to the original position to complete the unloading of the axial force.

6. Radial force loading test

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

The main control computer 72 drives the operation of the spindle component 200 through the setting program to perform a loading test under a radial load state.

7. Radial force unloading

After the radial force loading test is completed, the main control computer 72 controls the second push rod 521 to return to the original position to complete the unloading of the radial force.

8. Adjustment of torque loading device:

The force bearing member 23 on the force loading device 20 is removed, one end of the torque output shaft 65 is clamped by the claw 22 and then connected to the chuck 21 .

The up and down and left and right positions of the fourth mounting plate 1242 of the movable table 12 are adjusted through the third moving structure 123 and the lifting driving member 121 so that the torque load loading device 60 is located directly in front of the main shaft component 200. The fourth mounting plate is adjusted through the fourth moving structure 124. The front and rear position of the plate 1242 brings the torque output shaft 65 of the torque sensor 63 on the torque load loading device 60 close to the coupling 64 .

Remove the coupling 64, loosen the fixing screws of the spindle component 200 on the table 112, adjust the coaxiality between the torque output shaft 65 and the coupling 64 using a meter, fix the spindle component 200 and install the coupling 64 after the adjustment is completed. And fasten and fix the third moving structure 123 and the fourth moving structure 124.

9. Torque loading test

The brake 61 of the spindle torque load loading device 60 is driven by the main control computer 72, which will generate a set torque load when the spindle is running and load it through the coupling 64, the torque sensor 63, the torque output shaft 65, and the torque loading coupling shaft. onto the spindle assembly 200.

The main control computer 72 drives the operation of the spindle component 200 through the setting program to perform a loading test under a torque load state.

10. Record, analyze and save test data.

The main control computer 72 detects and records the data during the test through the relevant control and processing module 83, detection sensors, etc., and draws a change curve. The temperature and vibration data in the test are judged according to the test specifications. If the standard values are met, the test result "qualified" will be output, otherwise the test result "unqualified" will be output and an alarm will be displayed. At the same time, the testing system can evaluate the reliability, stability and other performance levels of the tested spindle component 200 by analyzing the recorded data.

Through the above design, the driving device 30, the axial force load loading device 40, the radial force load loading device 50 and the torque load loading device 60 can easily move to the matching position with the spindle component 200, so that the spindle component 200 can be There is no need to move or disassemble the spindle. The spindle can be used for a variety of simulation tests at the same station, and the test process is simple and convenient to operate.

The above embodiments only express several embodiments 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. It should be noted that, for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, which are equivalent modifications to the above embodiments based on the essential technology of the present invention. and evolution, these all belong to the protection scope of the present invention.

Claims

A machine tool spindle loading test equipment, including a support platform, characterized in that: the machine tool spindle loading test equipment also includes a driving device, an axial force load loading device, a radial force load loading device and a torque load loading device, and the support The table includes a fixed table and a movable table. The fixed table includes a table, a first moving structure and a second moving structure. The table is used to install the spindle component. The first moving structure is installed on the table and can be relative to the table. The table moves along the first direction, the second moving structure is installed on the first moving structure and can move relative to the first moving structure in a second direction perpendicular to the first direction, and the driving device is installed on In the second moving structure, the driving device is transmission connected with the main shaft component to provide rotational power to the main shaft component. The movable platform includes a base, a lifting driver, a mounting frame, a third moving structure and a fourth moving structure. structure, the mounting bracket is installed on the base through the lifting driving member, the mounting bracket can move in the vertical direction relative to the fixed platform, the third moving structure is installed on the mounting bracket, the The third moving structure can move in the first direction relative to the mounting frame, the fourth moving structure is installed on the third moving structure, and the fourth moving structure can move in the first direction relative to the third moving structure. To move in the second direction, the axial force load loading device and the radial force load loading device are installed on the third moving structure, and the torque load loading device is installed on the fourth moving structure.
The machine tool spindle loading test equipment according to claim 1, wherein the movable platform is located on one side of the fixed platform.
The machine tool spindle loading test equipment according to claim 1, characterized in that: the table is provided with a mounting groove, the mounting groove extends along the second direction, the spindle component is installed in the mounting groove, and passes through the mounting groove. The mounting groove adjusts the mounting position of the spindle component.
The machine tool spindle loading test equipment according to claim 1, characterized in that: the axial force load loading device includes a fixed pressure plate, the fixed pressure plate applies an axial force to the spindle component, and the radial force The load loading device includes a radial loading stabilizer that applies a radial force to the main shaft component. The axial force loading device and the radial force loading device are respectively located on the main shaft component. On both sides, the axis of the axial force load loading device is perpendicular to the axis of the radial force load loading device.
The machine tool spindle loading test equipment according to claim 4, wherein the axis of the axial force loading device extends along the second direction.
The machine tool spindle loading test equipment according to claim 4, wherein the axis of the radial force loading device extends along the first direction.
The machine tool spindle loading test equipment according to claim 4, wherein the axis of the torque load loading device extends along the second direction.
The machine tool spindle loading test equipment according to any one of claims 1 to 7, characterized in that: the lifting driving member is a screw rod, the movable table further includes a handle, the handle is rotatably installed on the base, so The rotation of the handle drives the screw rod to rotate, causing the mounting frame to rise and fall.
The machine tool spindle loading test equipment according to any one of claims 1 to 7, characterized in that: the first moving structure includes a first slide rail, a first driving part and a first mounting plate, and the first slide rail Fixed to the table, the first slide rail extends along the first direction, the first mounting plate is slidably installed on the first slide rail, and the first driving member is installed on the table and connected with the The first mounting plate is connected, and the first driving member drives the first mounting plate to move relative to the table.
The machine tool spindle loading test equipment according to any one of claims 9, characterized in that: the first driving member includes a screw rod and a handle installed at the end of the screw rod, and the screw rod is rotatably installed on the screw rod. On the table, the screw rod is matched with the first mounting plate through a nut.