CN116358844A - Machine tool spindle loading test equipment - Google Patents
Machine tool spindle loading test equipment Download PDFInfo
- Publication number
- CN116358844A CN116358844A CN202211090786.1A CN202211090786A CN116358844A CN 116358844 A CN116358844 A CN 116358844A CN 202211090786 A CN202211090786 A CN 202211090786A CN 116358844 A CN116358844 A CN 116358844A
- Authority
- CN
- China
- Prior art keywords
- moving structure
- loading device
- machine tool
- tool spindle
- load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 230000005540 biological transmission Effects 0.000 claims description 15
- 239000003381 stabilizer Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims 3
- 238000004088 simulation Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 17
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000020347 spindle assembly Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses machine tool spindle loading test equipment, which belongs to the field of machine tool testing, wherein a supporting table is split into a fixed table and a movable table, a spindle part and a driving device are arranged on the fixed table, an axial force loading device, a radial force loading device and a torque loading device are arranged on the movable table, and the axial force loading device, the radial force loading device and the torque loading device can move relative to the fixed table in a vertical direction, a first direction and a second direction perpendicular to the first direction, so that the driving device, the axial force loading device, the radial force loading device and the torque loading device can easily move to the matching positions with the spindle part, and the spindle part does not need to move and be disassembled during loading test, and can perform various simulation tests in the same position.
Description
Technical Field
The invention relates to the field of machine tool testing, in particular to machine tool spindle loading test equipment.
Background
The main shaft component of the numerical control machine tool is used as one of the most important functional components of the machine tool, and has obvious influence on the reliability level of the whole machine.
Due to the high-speed movement of the spindle, accuracy is easily lost in the cut state. The spindle test needs to be conducted on multiple aspects of axial force, radial force, torque and the like under the actual working condition of the effective simulation spindle component. In the existing spindle testing device, only one type of detection can be performed after the spindle component is installed, when other detection is needed, the spindle position needs to be adjusted, so that the spindle needs to be frequently disassembled and assembled, the workload of the testing process is large, and the testing is inconvenient.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the invention is to provide a machine tool spindle loading test device which can perform various simulation tests on a spindle at the same station and has simple and convenient operation in the test process.
One of the purposes of the invention is realized by adopting the following technical scheme:
the utility model provides a lathe main shaft loading test equipment, includes brace table, drive arrangement, axial force load loading device, radial force load loading device and moment of torsion load loading device, the brace table includes fixed station and movable table, the fixed station includes mesa, first moving structure and second moving structure, the mesa is used for installing the main shaft part, first moving structure install in the mesa and can relatively the mesa is along first direction removal, the second moving structure install in first moving structure and can relatively first moving structure is in the second direction of perpendicular to first direction removal, drive arrangement install in the second moving structure, drive arrangement with main shaft part transmission connection is to the power that the main shaft part provided the rotation, the movable table includes base, lift driver, mounting bracket, third moving structure and fourth moving structure, the mounting bracket passes through the lift driver install in the base, the relative fixed station can move in the vertical direction, third moving structure install in first moving structure and can relatively the second moving structure is in the axial force loading device is installed to the third moving structure, the fourth moving structure can load loading device is installed in to the radial force moving structure.
Further, the movable table is located at one side of the fixed table.
Further, the table top is provided with a mounting groove, the mounting groove extends along the second direction, the spindle part is mounted in the mounting groove, and the mounting position of the spindle part is adjusted through the mounting groove.
Further, the axial force loading device comprises a fixed pressure plate, the fixed pressure plate applies axial force to the main shaft component, the radial force loading device comprises a radial loading stabilizer, the radial loading stabilizer applies radial force to the main shaft component, the axial force loading device and the radial force loading device are respectively positioned on two sides of the main shaft component, and the axis of the axial force loading device is perpendicular to the axis of the radial force loading device.
Further, the axis of the axial force loading device extends in the second direction.
Further, an axis of the radial force load loading device extends in the first direction.
Further, an axis of the torque load loading device extends in the second direction.
Further, the lifting driving piece is a screw rod, the movable table further comprises a handle, the handle is rotatably arranged on the base, and the handle is rotated to drive the screw rod to rotate, so that the mounting frame is lifted.
Further, the first moving structure comprises a first sliding rail, a first driving piece and a first mounting plate, wherein the first sliding rail is fixed on the table top, the first sliding rail extends along the first direction, the first mounting plate is slidably mounted on the first sliding rail, the first driving piece is mounted on the table top and connected with the first mounting plate, and the first driving piece drives the first mounting plate to move relative to the table top.
Further, the first driving piece comprises a screw rod and a handle arranged at the end part of the screw rod, the screw rod is rotatably arranged on the table top, and the screw rod is matched with the first mounting plate through a nut.
Compared with the prior art, the supporting table of the machine tool spindle loading test equipment comprises a fixed table and a movable table, wherein a first moving structure is arranged on a table top and can move along a first direction relative to the table top, a second moving structure is arranged on the first moving structure and can move along a second direction perpendicular to the first direction relative to the first moving structure, a driving device is arranged on the second moving structure, the driving device is in transmission connection with a spindle part to provide rotating power for the spindle part, a mounting frame is arranged on a base through a lifting driving piece, the mounting frame can move along the vertical direction relative to the fixed table, a third moving structure is arranged on the mounting frame, the third moving structure can move along the first direction relative to the mounting frame, a fourth moving structure is arranged on the third moving structure, a fourth moving structure can move along the second direction relative to the third moving structure, an axial force loading device and a radial force loading device are arranged on the third moving structure, and a torque loading device is arranged on the fourth moving structure.
Drawings
FIG. 1 is a perspective view of a machine tool spindle loading test apparatus of the present invention;
FIG. 2 is a perspective view of a support table of the machine tool spindle load test apparatus of FIG. 1;
FIG. 3 is a perspective view of a fixed stage of the support stage of FIG. 2;
FIG. 4 is a perspective view of the movable stage of the support stage of FIG. 2;
FIG. 5 is another perspective view of the movable floor of FIG. 4;
FIG. 6 is a perspective view of a spindle assembly of the machine tool spindle load test apparatus of FIG. 1;
FIG. 7 is a perspective view of a drive arrangement of the machine tool spindle load test apparatus of FIG. 1;
FIG. 8 is a perspective view of an axial force load loading device of the machine tool spindle load test apparatus of FIG. 1;
FIG. 9 is a perspective view of a radial force load loading device of the machine tool spindle load test apparatus of FIG. 1;
FIG. 10 is a perspective view of a torque load loading device of the machine tool spindle loading test apparatus of FIG. 1;
fig. 11 is a schematic view of an operating apparatus of the machine tool spindle loading test apparatus of fig. 1.
In the figure: 10. a support table; 11. a fixed table; 110. a main body; 111. supporting feet; 112. a table top; 1120. a mounting groove; 113. a first moving structure; 1130. a first slide rail; 1131. a first driving member; 1132. a first mounting plate; 114. a second moving structure; 1140. a second slide rail; 1141. a second driving member; 1142. a second mounting plate; 12. a movable table; 120. a base; 121. a lifting driving member; 122. a mounting frame; 123. a third moving structure; 1230. a third slide rail; 1231. a third driving member; 1232. a third mounting plate; 124. a fourth moving structure; 1240. a fourth slide rail; 1241. a fourth driving member; 1242. a fourth mounting plate; 125. a slide block; 20. a force loading device; 21. a chuck; 22. a claw; 23. a force bearing member; 30. a driving device; 31. a mounting plate; 32. a fifth driving member; 33. a first transmission member; 40. an axial force load loading device; 41. a first bracket; 42. a sixth driving member; 420. a first motor; 421. a first push rod; 43. a first sensor; 44. a fixed platen; 50. radial force load loading means; 51. a second bracket; 52. a seventh driving member; 520. a second motor; 521. a second push rod; 53. a second sensor; 54. a radial loading stabilizer; 60. a torque load loading device; 61. a brake; 62. a third bracket; 63. a torque sensor; 64. a coupling; 65. a torque output shaft; 66. a precision adjusting structure; 70. operating the device; 71. an operation table; 72. a main control computer; 73. an axial force display instrument; 74. a radial force display instrument; 75. a torque display instrument; 76. a cable; 80. a signal detection device; 81. a temperature detection sensor; 82. a vibration detection sensor; 83. a processing module; 200. a spindle unit; 201. a mounting base; 202. and a second transmission member.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or be present as another intermediate element through which the element is fixed. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, 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 belongs. 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.
Fig. 1 to 11 are diagrams showing a machine tool spindle loading test apparatus according to the present invention, which is used to simulate the real use environment of a spindle unit 200, load the spindle unit 200 with radial force, axial force, torque, and test the performance of the spindle unit 200.
The machine tool spindle loading test device comprises a supporting table 10, a force loading device 20, a driving device 30, an axial force loading device 40, a radial force loading device 50, a torque loading device 60, an operating device 70 and a signal detection device 80.
The support table 10 includes a fixed table 11 and a movable table 12.
The fixed stage 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 to the bottom of the main body 110, supporting the main body 110. A table 112 is fixed to the top of the main body 110 for mounting the spindle unit 200. The table top 112 is provided with a plurality of mutually parallel mounting grooves 1120, the spindle unit 200 is mounted in the mounting grooves 1120, and the mounting position of the spindle unit 200 can be adjusted through the mounting grooves 1120, so that the operation is simple and convenient. The mounting groove 1120 extends in a second direction.
The first moving structure 113 includes a first slide 1130, a first driving member 1131, and a first mounting plate 1132. The number of the first sliding rails 1130 is two, and the two first sliding rails 1130 are fixed on the table top 112. The two first sliding rails 1130 extend along a first direction perpendicular to the second direction. The first driving member 1131 includes a screw and a handle mounted to an end of the screw. The screw is rotatably mounted to the table 112 and is coupled to the first mounting plate 1132 by a nut. The first mounting plate 1132 is slidably mounted to the first sliding rail 1130, and the first driving member 1131 drives the first mounting plate 1132 to reciprocate along a first direction.
The second moving structure 114 includes a second sliding rail 1140, a second driving member 1141 and a second mounting plate 1142. The number of the second sliding rails 1140 is two, and the two second sliding rails 1140 are fixed on the first mounting plate 1132. The two second sliding rails 1140 extend along the second direction. The second driver 1141 includes a screw and a handle mounted to an end of the screw. The screw is rotatably mounted on the first mounting plate 1132 and is connected to the second mounting plate 1142 by a nut. The second mounting plate 1142 is slidably mounted on the second sliding rail 1140, and the second driving member 1141 drives the second mounting plate 1142 to reciprocate along the second direction.
The driving device 30 is fixed on 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, and the second moving structure 114 drives the driving device 30 to move along the second direction, so as to adjust the position of the driving device 30, so that the driving device 30 is in transmission connection with the spindle component 200.
The movable stage 12 includes a base 120, a lift driving member 121, a mounting frame 122, a third moving structure 123, a fourth moving structure 124, and a slider 125.
The elevation driving member 121 includes a handle, a screw rod, and a nut. The screw is rotatably mounted to the base 120. The handle is rotatably mounted to the base 120 and is in driving connection with the screw. The nut is engaged with the screw rod and connected with the mounting frame 122, and rotates the handle to move the mounting frame 122 up and down in the vertical direction through the screw rod, so as to adjust the height of the mounting frame 122. The slider 125 is fixed to the mounting frame 122, and the slider 125 is slidably connected to the main body 110 of the fixed stage 11, so that the mounting frame 122 can slide relative to the fixed stage 11.
The third moving structure 123 includes a third sliding rail 1230, a third driving member 1231, and a third mounting plate 1232. The number of the third sliding rails 1230 is two, and the two third sliding rails 1230 extend along the first direction and are fixed on the mounting frame 122. The third driving member 1231 includes a screw and a handle mounted to an end of the screw. The screw is rotatably mounted to the mounting frame 122 and is connected to the third mounting plate 1232 by a nut. The third mounting plate 1232 is slidably mounted on the third sliding rail 1230, and the third driving member 1231 drives the third mounting plate 1232 to reciprocate along the first direction. The axial force loading device 40 and the radial force loading device 50 are mounted on the third mounting plate 1232, and the third moving structure 123 drives the axial force loading device 40 and the radial force loading device 50 to reciprocate along the first direction.
The fourth moving structure 124 includes a fourth sliding rail 1240, a fourth driving member 1241 and a fourth mounting plate 1242. The number of the fourth sliding rails 1240 is two, and the two fourth sliding rails 1240 are fixed to the third mounting plate 1232 of the third moving structure 123. The extending direction of the fourth sliding rail 1240 is the second direction, and the fourth driving member 1241 includes a screw and a handle mounted at an end of the screw. The screw is rotatably mounted to the third mounting plate 1232. The screw is connected to the fourth mounting plate 1242 by a nut. The fourth mounting plate 1242 is slidably mounted to the fourth slide 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 on 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 comprises a chuck 21, jaws 22 and a force carrier 23. The chuck 21 is fixed on the spindle unit 200, the spindle unit 200 drives the chuck 21 to rotate when running, the force bearing piece 23 consists of a fixed rod and a rotary pressing plate, the fixed rod is connected to the chuck 21 after being clamped by the clamping jaws 22, a bearing is arranged between the rotary pressing plate and the rotary pressing plate, the front end face of the rotary pressing plate directly contacts with the fixed pressing plate 44 of the axial force load loading device 40 when axial force is loaded, the outer circumferential face of the rotary pressing plate directly contacts with the radial load stabilizer 54 of the radial force load loading device 50 when radial force is loaded, and the purposes that the spindle and the fixed rod run together when loading, but the rotary pressing plate and the fixed pressing plate 44 of the loading part and the radial load stabilizer 54 do not run together can be achieved. The radial load stabilizer 54 is composed of a fixed portion and two load bearing bearings, and can better bear radial load between the fixed platen 44.
The driving device 30 includes a mounting plate 31, a fifth driving member 32, and a first transmission member 33. The mounting plate 31 is fixed on 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, and the second moving structure 114 drives the driving device 30 to move along the second direction, so as to adjust the position of the driving device 30, so that the driving device 30 is in transmission connection with the spindle component 200. The fifth driving element 32 is a motor and is fixed to the mounting plate 31. The first transmission member 33 is rotatably mounted to the fifth driving member 32 and is connected to an output end of the fifth driving member 32. Specifically, the first transmission member 33 is a belt pulley, and the first transmission member 33 is connected to the spindle unit 200 through a belt to drive the spindle unit 200 to rotate.
The axial force load loading device 40 includes a first bracket 41, a sixth driver 42, a first sensor 43, a fixed platen 44, an axial load origin sensor, and an axial advance 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 device 40 to reciprocate in the first direction. The sixth driving member 42 includes a first motor 420 and a first push rod 421. The first sensor 43 is mounted on the end of the first push rod 421, and the fixed platen 44 is mounted on the end of the first push rod 421. The first sensor 43 is a pull-press sensor. When axial force is loaded, the first motor 420 drives the first push rod 421 to move forward, the first sensor 43 and the fixed platen 44 are located on the moving rod of the first push rod 421, and accordingly, the first sensor 43 and the fixed platen 44 move forward and contact the fixed platen 44 with the front end surface of the rotating platen on the spindle unit 200, so that the spindle unit 200 bears the load of the axial force (i.e. the axial loading is achieved), and the tension and compression sensor is used for detecting the magnitude of the loaded axial force. The axial loading origin sensor and the axial forward limit sensor are used for detecting the position of the first push rod 421 before loading and during loading, and the position can be adjusted to meet the requirements of different loading occasions.
The radial force load loading device 50 includes a second bracket 51, a seventh driver 52, a second sensor 53, a radial load stabilizer 54, a radial load origin sensor, and a radial travel 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 in 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 to the second bracket 51, and an output end of the second motor 520 is connected to the second push rod 521. The second sensor 53 is a pull-press sensor. When radial force is applied, the second motor 520 drives the second push rod 521 to move forward, and the pull pressure sensor and the radial load stabilizer 54 are located on the moving rod of the second push rod 521, and move forward along with the second push rod and contact the radial load stabilizer 54 on the outer circumference of the rotating platen on the spindle unit 200, so that the spindle unit 200 is subjected to the load of the radial force (i.e., the purpose of radial load is achieved), and the pull pressure sensor is used for detecting the magnitude of the applied axial force. The radial loading origin sensor and the radial forward limit sensor are used for detecting the position of the second push rod 521 before loading and during loading, and the position can be adjusted to meet the requirements of different loading occasions.
The torque load applying 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 adjusting structure 66. The brake 61 and the third bracket 62 are fixed on 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 mounted to the third bracket 62. The output shaft of the brake 61 is connected to the torque sensor 63 via a coupling 64, and the brake 61 is cooled by a cooling circulation water path when operating, and a pressure detection switch is used to detect the pressure of the cooling circulation water path. The torque sensor 63 is used for detecting the torque during the torque loading test, and the output current of the brake 61 can be adjusted by the controller to achieve the purpose of adjusting the loading torque of the main shaft.
The operation device 70 includes an operation console 71, a main control computer 72, an axial force display meter 73, a radial force display meter 74, a torque display meter 75, and a cable 76. The main control computer 72 is mounted on the console 71, and the axial force display instrument 73, the radial force display instrument 74 and the torque display instrument 75 are connected with the axial force load loading device 40, the radial force load loading device 50 and the torque load loading device 60 through cables 76, so that the functions of driving operation of the spindle unit 200, application and control of force and torque load, signal detection and control recording and the like are realized.
The signal detection device 80 includes a temperature detection sensor 81, a vibration detection sensor 82, and a processing module 83. The number of the temperature detection sensors 81 is three, and the three temperature detection sensors 81 are respectively used for detecting the front bearing temperature, the rear bearing temperature and the environment temperature when the main shaft runs, and if the temperature is abnormal when the main shaft runs, the control system can give an alarm or stop the machine. The number of the vibration detection sensors 82 is four, the four vibration detection sensors 82 are respectively the horizontal radial direction of the front main shaft bearing and the vertical radial direction of the front main shaft bearing, the horizontal radial direction of the rear main shaft bearing and the vertical radial direction of the rear main shaft bearing, and if the vibration is abnormal during the operation of the main shaft, the control system can also give an alarm or stop the machine. The control and processing module 83 for temperature, vibration, force load and torque load is installed in the test control console 71, and the purpose of monitoring data during the test of the spindle unit 200 is achieved by detecting and recording the sensor signals in real time, and meanwhile, the performance level such as reliability and stability of the spindle unit 200 can be evaluated by analyzing the recorded signals.
When the machine tool spindle loading test equipment is used, the method comprises the following steps of:
1. and (3) horizontally adjusting a test platform: the horizontal accuracy of the table top 112 of the fixed table 11 and the mounting frame 122 of the movable table 12 is adjusted by the anchor support bolts, and the level gauge is adopted for detection.
2. Mounting of spindle unit 200 and adjustment of force loading device 20:
placing the mounting seat 201 of the spindle unit 200 to be tested in the position area of the table top 112 of the fixed table 11;
mounting the force loading device 20 to the spindle;
the vertical position of the movable table 12 is adjusted, 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 with the axial direction of the main shaft;
the horizontal position accuracy of the spindle assembly 200 on the table top 112 is adjusted through the adjusting screw, so that the spindle axis is ensured to be parallel to the movement axis of the first push rod 421; the spindle assembly 200 is then secured to the table 112.
3. Adjustment of spindle drive
The driving device 30 is driven to move by the first moving structure 113 and the second moving structure 114 to adjust the position of the driving device 30, so that the first transmission member 33 and the second transmission member 202 are located 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 to enable the belt tensioning force to be appropriate.
4. Axial force loading test
The first push rod 421 of the axial force load device 40 is driven to move forward by the main control computer 72, and the set axial force is loaded on the rotary platen through the fixed platen 44.
The main control computer 72 drives the spindle unit 200 to operate by a set program, and performs a loading test in 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, and the unloading of the axial force is completed.
6. Radial force loading test
The second push rod 521 of the radial force loading device 50 is driven to move forward by the main control computer 72, and a set axial force is loaded on the rotary platen through the radial load stabilizer 54.
The main control computer 72 drives the spindle unit 200 to operate by a set program, and performs a loading test in 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, and the radial force unloading is completed.
8. Adjustment of the torque loading device:
the force bearing member 23 of the force loading device 20 is removed, and one end of the torque output shaft 65 is clamped by the jaws 22 and then coupled to the chuck 21.
The up-down and left-right positions of the fourth mounting plate 1242 of the movable table 12 are adjusted by the third moving structure 123 and the lifting drive member 121 so that the torque load loading device 60 is positioned directly in front of the spindle unit 200, and the front-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 brought close to the coupling 64.
The coupling 64 is removed, the fixing screw of the spindle unit 200 on the table top 112 is loosened, the coaxiality between the torque output shaft 65 and the coupling 64 is adjusted by striking a table, the spindle unit 200 is fixed after the adjustment is completed, the coupling 64 is installed and fastened, and the third moving structure 123 and the fourth moving structure 124 are fixed.
9. Torque loading test
The brake 61 of the spindle torque load loading device 60 is driven by the main control computer 72, which loads a set torque load generated when the spindle is operated to the spindle unit 200 through the coupling 64, the torque sensor 63, the torque output shaft 65, and the torque loading coupling shaft.
The main control computer 72 drives the spindle unit 200 to operate by a set program, and performs a loading test in a torque load state.
10. And (5) recording, analyzing and storing test data.
The main control computer 72 detects and records data in the test process through the related control and processing module 83, the detection sensor and the like, and draws a change curve. Judging the temperature and vibration data in the test according to the test specification, outputting a test result 'qualified' if the temperature and vibration data meet the specification value, otherwise outputting a test 'unqualified', and carrying out alarm display. At the same time, the test system can evaluate the performance level such as reliability and stability of the tested spindle unit 200 through analysis of the recorded data.
Through the 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 unit 200, so that the spindle unit 200 does not need to move and be disassembled and assembled during loading test, the spindle can perform various simulation tests at the same working position, and the test process is simple and convenient to operate.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, it is possible to make several modifications and improvements without departing from the concept of the present invention, which are equivalent to the above embodiments according to the essential technology of the present invention, and these are all included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a lathe main shaft loading test equipment, includes supporting bench, its characterized in that: the machine tool spindle loading test equipment further comprises a driving device, an axial force loading device, a radial force loading device and a torque loading device, the supporting platform comprises a fixed platform and a movable platform, the fixed platform comprises a table top, a first moving structure and a second moving structure, the table top is used for installing a spindle component, the first moving structure is installed on the table top and can move relative to the table top along a 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, the driving device is installed on the second moving structure, the driving device is in transmission connection with the spindle component to provide rotating power, the movable platform comprises a base, a lifting driving piece, an installation frame, a third moving structure and a fourth moving structure, the installation frame is installed on the base through the lifting driving piece, the installation frame can move relative to the fixed platform along the first direction, the third moving structure is installed on the first moving structure and can move relative to the first moving structure in the second direction, the driving device is installed on the third moving structure and can load loading device in the fourth moving structure in the axial direction.
2. The machine tool spindle loading test apparatus of claim 1, wherein: the movable table is positioned at one side of the fixed table.
3. The machine tool spindle loading test apparatus of claim 1, wherein: the table top is provided with a mounting groove, the mounting groove extends along the second direction, the main shaft component is mounted in the mounting groove, and the mounting position of the main shaft component is adjusted through the mounting groove.
4. The machine tool spindle loading test apparatus of claim 1, wherein: the axial force load loading device comprises a fixed pressure plate, the fixed pressure plate applies axial force to the main shaft component, the radial force load loading device comprises a radial load stabilizer, the radial load stabilizer applies radial force to the main shaft component, the axial force load loading device and the radial force load loading device are respectively positioned on two sides of the main shaft component, and the axis of the axial force load loading device is perpendicular to the axis of the radial force load loading device.
5. The machine tool spindle loading test apparatus of claim 4, wherein: the axis of the axial force loading device extends in the second direction.
6. The machine tool spindle loading test apparatus of claim 4, wherein: the axis of the radial force load applying means extends in the first direction.
7. The machine tool spindle loading test apparatus of claim 4, wherein: the axis of the torque load loading device extends in the second direction.
8. A machine tool spindle loading test apparatus according to any one of claims 1 to 7, wherein: the lifting driving piece is a screw rod, the movable table further comprises a handle, the handle is rotatably arranged on the base, and the handle rotates to drive the screw rod to rotate so that the mounting rack is lifted.
9. A machine tool spindle loading test apparatus according to any one of claims 1 to 7, wherein: the first moving structure comprises a first sliding rail, a first driving piece and a first mounting plate, wherein the first sliding rail is fixed on the table top, the first sliding rail extends along the first direction, the first mounting plate is slidably mounted on the first sliding rail, the first driving piece is mounted on the table top and connected with the first mounting plate, and the first driving piece drives the first mounting plate to move relative to the table top.
10. A machine tool spindle loading test apparatus according to any one of claims 9, wherein: the first driving piece comprises a screw rod and a handle arranged at the end part of the screw rod, the screw rod is rotatably arranged on the table top, and the screw rod is matched with the first mounting plate through a nut.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211090786.1A CN116358844A (en) | 2022-09-07 | 2022-09-07 | Machine tool spindle loading test equipment |
| PCT/CN2022/128521 WO2024050942A1 (en) | 2022-09-07 | 2022-10-31 | Machine tool spindle loading test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211090786.1A CN116358844A (en) | 2022-09-07 | 2022-09-07 | Machine tool spindle loading test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116358844A true CN116358844A (en) | 2023-06-30 |
Family
ID=86929607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211090786.1A Pending CN116358844A (en) | 2022-09-07 | 2022-09-07 | Machine tool spindle loading test equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN116358844A (en) |
| WO (1) | WO2024050942A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118347722B (en) * | 2024-06-20 | 2024-09-10 | 四川普什宁江机床有限公司 | Linear shaft simulation loading feeding device and linear shaft reliability inspection method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6718833B2 (en) * | 2001-03-05 | 2004-04-13 | Adtech Systems Research, Inc. | Multiaxial high cycle fatigue test system |
| CN102853978B (en) * | 2012-09-11 | 2015-06-03 | 北京航空航天大学 | Testing device and method for three-dimensional static stiffness loading of machine tool |
| CN103344449B (en) * | 2013-07-09 | 2015-09-02 | 北京航空航天大学 | A kind of single-degree-of-freedom numerically-controlled machine charger and load test method |
| CN204008300U (en) * | 2014-06-30 | 2014-12-10 | 天地科技股份有限公司 | A kind of for testing the testing table of anchor pole comprehensive mechanical property |
| CN104075943B (en) * | 2014-06-30 | 2016-08-17 | 天地科技股份有限公司 | A kind of testing stand for testing anchor pole comprehensive mechanical property and method of testing |
| CN105928789B (en) * | 2016-04-26 | 2018-05-22 | 东北石油大学 | A kind of available comprehensive tubular buckling experiment porch in interior |
| CN109163904B (en) * | 2018-10-11 | 2024-06-25 | 吉林大学 | Fatigue limit testing machine for multi-load motion knuckle bearing |
| CN216771041U (en) * | 2022-03-02 | 2022-06-17 | 中国地质大学（北京） | Torsional fatigue test bed for rotary steering drilling tool |
-
2022
- 2022-09-07 CN CN202211090786.1A patent/CN116358844A/en active Pending
- 2022-10-31 WO PCT/CN2022/128521 patent/WO2024050942A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024050942A1 (en) | 2024-03-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108759758B (en) | Engine bearing clearance detection device and measurement method | |
| CN106500984A (en) | A kind of double tool rest reliability test of combination loading | |
| CN104776987A (en) | Main shaft performance testing platform and testing method of testing platform | |
| CN116358844A (en) | Machine tool spindle loading test equipment | |
| WO2024230804A1 (en) | Comprehensive test bench for sliding force and noise of ball screw of electric power steering machine | |
| CN110849624A (en) | Main shaft radial loading device and machine tool main shaft performance testing method | |
| CN107598194B (en) | A machine tool spindle testing platform capable of simulating working conditions | |
| CN110261134A (en) | New-energy automobile power assembly off-line test platform | |
| CN212180262U (en) | Automobile wheel hub bearing comprehensive rigidity measurement test device | |
| CN110887590B (en) | High-speed bearing friction tester | |
| CN112284668A (en) | Device and method for testing bolt loosening caused by multi-axis vibration load | |
| CN111351657A (en) | Friction torque detection device for ball screw and rolling linear guide rail reverser | |
| CN111579236B (en) | Automatic cantilever type dent resistance measuring equipment and measuring method | |
| CN206601229U (en) | A kind of double tool rest reliability test of combination loading | |
| CN208847477U (en) | A test device for heavy truck hub bearing unit | |
| CN220339845U (en) | Jaw pressure-resistant testing machine | |
| CN219201854U (en) | Durable detection table for automobile EPS motor | |
| CN114705248B (en) | Test equipment of rotating unit | |
| CN114705461B (en) | Deformation test bench and test method thereof | |
| CN110207983A (en) | A kind of lead screw guide rails reverser reliability test bench | |
| CN216349259U (en) | Engine crankshaft gyroscopic moment testing arrangement | |
| CN210427017U (en) | AGV steering wheel system comprehensive properties testboard | |
| CN112964207A (en) | Rotor runout detection driving mechanism | |
| CN116698390B (en) | Hinge product measuring equipment | |
| CN118424557B (en) | Dynamic balance testing device and method for fan blade of glass fiber reinforced plastic fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |