CN111515755A - Guide rail performance test system - Google Patents
Guide rail performance test system Download PDFInfo
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- CN111515755A CN111515755A CN202010271305.1A CN202010271305A CN111515755A CN 111515755 A CN111515755 A CN 111515755A CN 202010271305 A CN202010271305 A CN 202010271305A CN 111515755 A CN111515755 A CN 111515755A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
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- Mechanical Engineering (AREA)
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Abstract
The invention provides a guide rail performance test system, which comprises a sample subsystem, a basic subsystem, a cantilever subsystem, a main shaft rotation subsystem, a lubrication cooling subsystem, a motion control subsystem and a data acquisition subsystem, wherein the sample subsystem is connected with the basic subsystem through a communication interface; the invention takes a real numerical control machine tool as a carrier, is suitable for testing the performance of the guide rail under various loads in different load action modes, mainly detects the performance indexes such as torque response indexes, displacement response indexes, abrasion condition indexes, real cutting performance influence and the like, and has rich and practical functions. Meanwhile, the guide rail performance test system adopts a combined design method, the guide rail friction pair sample is convenient to mount and dismount, each moving shaft can independently run and also can run in a linkage manner, and the actual production application of the guide rail is really simulated. The guide rail sliding block friction pair of the test object can be a sliding guide rail friction pair in surface-to-surface contact, a rolling guide rail friction pair in line-to-surface contact or point-to-surface contact, and can also be a guide rail friction pair in other customized contact forms, so that the application range is wide.
Description
Technical Field
The invention relates to the field of machine tool detection, in particular to a guide rail performance testing system.
Background
The guide rail is used as a key core basic part in the field of mechanical engineering, and has wide application in the fields of high-precision transmission, high-precision machine tools, high-precision measurement and the like. However, the crawling and jumping of the guide rail, the contact form of the guide rail-sliding block friction pair, the matching material, the surface treatment and the like have great influence on the transmission precision and the service life of the guide rail.
At present, the performance test system of the guide rail is rarely reported in the industry, a large number of students and engineers tend to detect the tribological performance of a small matching sample by using a friction and wear test machine, and obviously, the method cannot truly reflect the performance of the guide rail and cannot verify the influence change of the contact form, the matching material, the surface treatment and other factors of the guide rail on the performance of the guide rail.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a guide rail performance test system, which takes a real numerical control machine tool as a carrier, is suitable for testing the guide rail performance of different load action modes under various loads, mainly detects that the performance indexes comprise a torque response index, a displacement response index, a wear condition index, real cutting performance influence and the like, and has rich and practical functions. Meanwhile, the guide rail performance test system adopts a combined design method, the guide rail friction pair sample is convenient to mount and dismount, each moving shaft can independently run and also can run in a linkage manner, and the actual production application of the guide rail is really simulated. The guide rail sliding block friction pair of the test object can be a sliding guide rail friction pair in surface-to-surface contact, a rolling guide rail friction pair in line-to-surface contact or point-to-surface contact, and can also be a guide rail friction pair in other customized contact forms, so that the application range is wide. In addition, the guide rail performance testing system disclosed by the invention has the functions of collection and recovery, cleanness and environmental protection in consideration of the pollution problem of lubricating liquid and cooling liquid in the testing process.
The present invention achieves the above-described object by the following technical means.
A guide rail performance test system comprises a sample subsystem, a basic subsystem, a cantilever subsystem, a main shaft rotation subsystem, a lubrication cooling subsystem, a motion control subsystem and a data acquisition subsystem;
the basic subsystem comprises a base, an upright post, an X-axis motion subsystem, a Y-axis motion subsystem and a Z-axis motion subsystem; the X-axis motion subsystem and the Y-axis motion subsystem form an X-Y cross working sliding table and are arranged on the base, and the Z-axis motion subsystem is arranged on the upright column to form a Z-axis motion module;
the cantilever subsystem comprises a cantilever beam and a cantilever shaft motion subsystem; the cantilever subsystem is connected with a working table top of the Z-axis motion subsystem through a cantilever beam, and the cantilever-axis motion subsystem is arranged on the cantilever beam;
the X-axis motion subsystem, the Y-axis motion subsystem, the Z-axis motion subsystem and the cantilever axis motion subsystem respectively comprise single-axis motion subsystems and are used for realizing single-axis motion;
the single-axis motion subsystem comprises a sample subsystem, a module bottom plate, a driving motor, a torque testing unit, a coupler, a grating ruler module, a lead screw module, a working table surface, a ball module seat, a floating bearing seat, a motor seat, a ball module and a torque testing unit support; the sample subsystem comprises a guide rail sample and a slide block sample; the slide block sample is arranged on the guide rail sample to form a guide rail slide block testing friction pair; the guide rail test sample is arranged in a guide rail installation groove in the module bottom plate, the slide block test sample is connected with a working table top, the driving motor is arranged on the module bottom plate through a motor base, the torque testing unit is arranged on the module bottom plate through a torque testing unit support, one end of the screw rod module is arranged on the module bottom plate through a bearing seat, the other end of the screw rod module is arranged on the module bottom plate through a floating bearing seat, the working table top is connected with the ball screw rod module through a ball module seat, the grating ruler module is arranged on the side edge of the module bottom plate, and a grating ruler test head of the grating ruler module is connected with the working; the output end of the driving motor is connected with the torque testing unit, the torque testing unit outputs power to the lead screw module, the ball module and the ball module seat are driven to linearly move by the rotation of the lead screw module, and the power is transmitted to the working table;
the spindle rotating subsystem comprises a spindle support, a rotating spindle and a cutting tool; the main shaft support is connected with a working table top of the cantilever shaft motion subsystem, the rotary main shaft is connected and installed on the main shaft support through a shaft hole, and the cutting tool is coaxially connected with the rotary main shaft through Morse taper;
the lubricating and cooling subsystem comprises a guide rail sample lubricating unit, other friction pair lubricating units and a cutting and cooling unit; the guide rail sample lubricating unit is used for lubricating a sample subsystem in the single-shaft motion subsystem; the other friction pair lubricating units are used for lubricating the single-shaft motion subsystem and the main shaft rotation subsystem; the cutting cooling unit is used for cooling and lubricating the cutting tool in the process of cutting a workpiece;
the motion control subsystem is used for controlling the motion of the single-axis motion subsystem and the main shaft rotation subsystem;
the data acquisition subsystem comprises a torque acquisition module, a motion acquisition module, a lubricating oil acquisition module and a cutting quality acquisition module; the torque acquisition module respectively acquires feedback data of a torque test unit in the single-axis motion subsystem to generate a torque-time curve; the motion acquisition module respectively acquires feedback data of a grating ruler module in the single-axis motion subsystem to form a displacement-time curve; the lubricating oil collecting module is used for respectively collecting lubricating liquid in a guide rail mounting groove on a module bottom plate in the single-shaft motion subsystem for detecting and analyzing abrasive particles; the cutting quality acquisition module is used for detecting and analyzing the processing quality of the cutting tool for processing the workpiece.
Further, the slide block sample is arranged on the guide rail sample to form a slide guide rail friction pair with a surface-to-surface contact type guide rail test friction pair, a rolling guide rail friction pair with a line-to-surface contact type guide rail test friction pair or a rolling guide rail friction pair with a point-to-surface contact type guide rail test friction pair.
Furthermore, the number of the slide block samples on the single guide rail sample is 2-6.
Furthermore, the guide rail sample lubricating unit in the lubricating and cooling subsystem is an adjustable quantitative lubricating unit, and quantitative lubricating liquid is collected into guide rail mounting grooves in module bottom plates in the single-shaft motion subsystems and is used for ensuring that the lubricating liquid is not influenced by other friction pairs.
Further, the other friction pair lubricating units are adjustable quantitative lubricating units, the cutting cooling unit is an adjustable quantitative cooling unit, and lubricating liquid or cooling liquid is collected into a base lubricating oil-cooling liquid collecting tank on a base in the basic subsystem.
Furthermore, a run-out detector is mounted on the cutting tool and used for detecting the run-out of the working table top in the single-shaft motion subsystem in the test process.
Further, the system also comprises a load subsystem, wherein the load subsystem is used for applying load to the guide rail of the single-axis motion subsystem.
Further, the load subsystem comprises a plurality of weights; the weights can be assembled on a working table surface in the single-shaft motion subsystem and used for testing the performance of the guide rail under different loads.
The invention has the beneficial effects that:
1. the guide rail performance test system provided by the invention takes a real numerical control machine tool as a carrier, is suitable for testing the guide rail performance of different load action modes under various loads, mainly detects that the performance indexes comprise a torque response index, a displacement response index, a wear condition index, real cutting performance influence and the like, and has rich and practical functions.
2. According to the guide rail performance test system, a combined design method is adopted, the guide rail friction pair sample is convenient to mount and dismount, each moving shaft can independently run and also can run in a linkage manner, and the actual production application of the guide rail is truly simulated; the guide rail sliding block friction pair of the test object can be a sliding guide rail friction pair in surface-to-surface contact, a rolling guide rail friction pair in line-to-surface contact or point-to-surface contact, and can also be a guide rail friction pair in other customized contact forms, so that the application range is wide.
3. The guide rail performance testing system provided by the invention has the advantages that the pollution problem of lubricating liquid and cooling liquid in the testing process is considered, the collecting and recycling functions are realized, and the cleanness and the environment friendliness are realized.
Drawings
Fig. 1 is a schematic structural diagram of a rail performance testing system according to the present invention.
FIG. 2 is a schematic diagram of a load subsystem according to the present invention.
Fig. 3 is a functional object of the lubrication and cooling subsystem according to the present invention.
Fig. 4 shows the action objects of the torque acquisition module, the motion acquisition module and the lubricating oil acquisition module according to the present invention.
Fig. 5 shows the action object of the cutting quality acquisition module according to the invention.
FIG. 6 is a block diagram of a single axis motion subsystem according to the present invention.
Fig. 7 is a diagram of the basic subsystem architecture according to the present invention.
FIG. 8 is a block diagram of the cantilever subsystem and spindle rotation subsystem of the present invention.
In the figure:
1000-a sample subsystem; 1001-guide rail sample; 1002-slider sample.
2000-single axis motion subsystem; 2000-X: an X-axis motion subsystem; 2000-Y: a Y-axis motion subsystem; 2000-Z: a Z-axis motion subsystem; 2000-T: a cantilever shaft motion subsystem; 2001-module backplane; 2001-1-module floor rail mounting groove; 2002-a drive motor; 2003-a torque test unit; 2004-a coupling; 2005-grating scale module; 2006-lock nuts; 2007-bearing seats; 2008-a bearing; 2009-a lead screw module; 2010-countertop; 2011-ball module mount; 2012-floating bearing seats; 2013-the bearing is connected with a fastening ring; 2014-motor cabinet; 2015-ball module; 2016-Torque test Unit mount.
3000-basic subsystem; 3001-a base; 3001-1-base lube-coolant collection tank; 3002-column.
4000-cantilever subsystem; 4001-cantilever beam.
5000-a spindle rotation subsystem; 5001-main shaft support; 5002-rotating spindle; 5003-cutting tool.
6000-load subsystem.
7000-a lubrication cooling subsystem; 7001-guide rail sample lubricating unit; 7002-other friction pair lubricating units; 7003-cutting cooling unit.
8000-motion control subsystem.
9000-a data acquisition subsystem; 9001-a torque acquisition module; 9002-a motion acquisition module; 9003-a lubricating oil collection module; 9004-cutting quality acquisition module.
Detailed Description
The invention will be further described with reference to the following figures and specific examples, but the scope of the invention is not limited thereto.
In the first embodiment, as shown in fig. 1 and 3-8, the test content of the guide rail performance test system of the present invention is the influence of the transmission precision of the guide rail performance test system using the same kind of guide rail friction pairs on the processing performance of curved surface products. Correspondingly, the system comprises a sample subsystem 1000, a basic subsystem 3000, a cantilever subsystem 4000, a spindle rotation subsystem 5000, a lubrication cooling subsystem 7000, a motion control subsystem 8000 and a data acquisition subsystem 9000;
the basic subsystem 3000 comprises a base 3001, a stand column 3002, an X-axis motion subsystem 2000-X, Y, an axis motion subsystem 2000-Y and a Z-axis motion subsystem 2000-Z; the upright 3002 is arranged on the base 3001, the X-axis motion subsystem 2000-X and the Y-axis motion subsystem 2000-Y form an X-Y cross working sliding table and are arranged on the base 3001, and the Z-axis motion subsystem 2000-Z is arranged on the upright 3002 to form a Z-axis motion module;
the cantilever subsystem 4000 comprises a cantilever beam 4001 and a cantilever shaft motion subsystem 2000-T; the cantilever subsystem is connected with a working table of the Z-axis motion subsystem 2000-Z through a cantilever beam 4001, and the cantilever-axis motion subsystem 2000-T is arranged on the cantilever beam;
the X-axis motion subsystem 2000-X, Y, the Z-axis motion subsystem 2000-Y, the cantilever axis motion subsystem 2000-T and the X-axis motion subsystem 2000-X, Y respectively comprise a single-axis motion subsystem 2000 for realizing single-axis motion;
the single-axis motion subsystem 2000 comprises a sample subsystem 1000, a module bottom plate 2001, a driving motor 2002, a torque testing unit 2003, a coupler 2004, a grating scale module 2005, a locking nut 2006, a bearing seat 2007, a bearing 2008, a lead screw module 2009, a work table 2010, a ball module seat 2011, a floating bearing seat 2012, a bearing connection clamping ring 2013, a motor seat 2014, a ball module 2015 and a torque testing unit support 2016; the sample subsystem 1000 includes a rail sample 1001 and a slider sample 1002; the slide block sample 1002 is arranged on the guide rail sample 1001 to form a guide rail slide block test friction pair; a guide rail sample 1001 in a sample subsystem 1000 is installed in a guide rail installation groove 2001-1 in a module bottom plate 2001, a slider sample 1002 is connected with a working table top 2010, a driving motor 2002 is installed on the module bottom plate 2001 through a motor base 2014, a torque testing unit 2003 is installed on the module bottom plate 2001 through a torque testing unit support 2016, a screw module 2009 is installed in a simple beam form, one end of the screw module is installed on the module bottom plate 2001 through a bearing 2008, the bearing is connected with a clamping ring 2013, a locking nut 2006 is installed on the module bottom plate 2001 through a bearing seat 2007, the other end of the screw module is installed on the module bottom plate 2001 through a floating bearing seat 2012 through a bearing 2008, the working table top 2010 is connected with the ball screw module through a ball module seat 2011, a grating scale module 2005 is installed; the output end of the driving motor 2002 is connected with the torque testing unit 2003 through the coupler 2004, power is output to the screw module 2009 through the coupler 2004, and the rotation of the screw module 2009 drives the linear motion of the ball module 2015 and the ball module seat 2011 to transmit the power to the working table 2010 and simultaneously drive the grating ruler module 2005 installed on the side edge of the working table to move.
The spindle rotation subsystem 5000 comprises a spindle support 5001, a rotating spindle 5002 and a cutting tool 5003; the main shaft support 5001 is connected with a working table top of the cantilever shaft motion subsystem 2000-T, the rotary main shaft 5002 is connected and installed on the main shaft support 5001 through a shaft hole, and the cutting tool 5003 is coaxially connected with the rotary main shaft 5002 through Morse taper;
the lubrication cooling subsystem 7000 comprises a guide rail sample lubrication unit 7001, other friction pair lubrication units 7002 and a cutting cooling unit 7003; the guide rail sample lubricating unit 7001 is used for lubricating the sample subsystem 1000 in the single-shaft motion subsystem 2000; the other friction pair lubrication unit 7002 is used for lubricating the single-shaft motion subsystem 2000 and the main shaft rotation subsystem 5000; the cutting cooling unit 7003 is used for cooling and lubricating the cutting tool 5003 in the process of cutting a workpiece;
the motion control subsystem 8000 is used for controlling the motion of the single-axis motion subsystem 2000 and the main shaft rotation subsystem 5000 to perform multi-axis linkage control;
the data acquisition subsystem 9000 comprises a torque acquisition module 9001, a motion acquisition module 9002, a lubricating oil acquisition module 9003 and a cutting quality acquisition module 9004; the torque acquisition module 9001 respectively acquires feedback data of the torque test unit 2003 in the single-axis motion subsystem 2000 to generate a torque-time curve; the motion acquisition module 9002 respectively acquires feedback data of the grating scale module 2005 in the single-axis motion subsystem 2000 to form a displacement-time curve; the lubricating oil collecting module 9003 is used for collecting lubricating liquid in a guide rail mounting groove 2001-1 on a module bottom plate 2001 in the single-axis motion subsystem 2000 respectively and detecting and analyzing abrasive particles; the cutting quality acquisition module 9004 is used for detecting and analyzing the processing quality of the cutting tool 5003 on the workpiece.
The slide block test sample 1002 is mounted on the guide rail test sample 1001 to form a guide rail slide block test friction pair which is a sliding guide rail friction pair in surface-to-surface contact or a rolling guide rail friction pair in line-to-surface contact or a rolling guide rail friction pair in point-to-surface contact. The number of the slide block samples 1002 on the single guide rail sample 1001 is 2-6.
The torque feedback data collected by the torque collection module 9001 is the response torque of the moving shaft, and the non-motor output torque.
The displacement feedback data acquired by the motion acquisition module 9003 can be subjected to primary derivation and secondary derivation to obtain a speed-time curve and an acceleration-time curve, and the performance of the sample subsystem is evaluated. The motion control subsystem 8000 employs a sophisticated numerical control system.
The guide rail sample lubricating unit 7001 in the lubricating and cooling subsystem 7000 is an adjustable and quantitative lubricating unit, and quantitative lubricating liquid is collected into the guide rail mounting grooves 2001-1 on the module bottom plate 2001 in each single-shaft motion subsystem 2000 and is used for ensuring that the lubricating liquid is not influenced by other friction pairs.
The other friction pair lubrication unit 7002 is a quantitative regulation lubrication unit, the cutting cooling unit 7003 is a quantitative regulation cooling unit, and the lubrication liquid or the cooling liquid is collected into a base lubrication oil-cooling liquid collection tank 3001-1 on the base 3001 in the base subsystem 3000.
A runout detector is mounted on the cutting tool 5003 and used for detecting runout of the working table 2010 in the single-axis motion subsystem 2000 during a test process.
In this embodiment, four motion axes of the guide rail performance test system simultaneously adopt test guide rail friction pair samples to process curved surface products, simultaneously detect torque response, displacement response and abrasion conditions of each motion axis, perform quality detection on final products, and analyze energy efficiency conditions and service life of the tested guide rail friction pair samples in actual production and processing.
In the second embodiment, as shown in fig. 2, the test content of the present invention is the influence of the friction pair of the guide rail under different loads on the transmission precision of the single-axis motion module. The present invention further includes a load subsystem 6000, the load subsystem 6000 for applying a load to the guide rails of the single axis motion subsystem 2000. The load subsystem 6000 comprises a plurality of weights; the weights can be assembled on the working table surface in the single-axis motion subsystem 2000 and used for testing the performance of the guide rail under different loads.
In this embodiment, four motion axes of the guide rail performance test system simultaneously adopt test guide rail friction pair samples to process curved surface products, simultaneously detect torque response, displacement response and abrasion conditions of each motion axis, perform quality detection on final products, and analyze energy efficiency conditions and service life of the tested guide rail friction pair samples in actual production and processing.
The moving shafts of the invention can also adopt other transmission modes, such as gear transmission, linear motor transmission and the like, and the rotating main shaft of the invention can also adopt other transmission modes, such as gear transmission, belt wheel transmission and the like.
The present invention is not limited to the above-described embodiments, and any obvious improvements, substitutions or modifications can be made by those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. A guide rail performance test system is characterized by comprising a sample subsystem (1000), a basic subsystem (3000), a cantilever subsystem (4000), a main shaft rotation subsystem (5000), a lubricating and cooling subsystem (7000), a motion control subsystem (8000) and a data acquisition subsystem (9000);
the basic subsystem (3000) comprises a base (3001), a stand column (3002), an X-axis motion subsystem (2000-X), a Y-axis motion subsystem (2000-Y) and a Z-axis motion subsystem (2000-Z); the vertical column (3002) is installed on the base (3001), the X-axis motion subsystem (2000-X) and the Y-axis motion subsystem (2000-Y) form an X-Y cross working sliding table and are installed on the base (3001), and the Z-axis motion subsystem (2000-Z) is installed on the vertical column (3002) to form a Z-axis motion module;
the cantilever subsystem (4000) comprises a cantilever beam (4001) and a cantilever shaft motion subsystem (2000-T); the cantilever subsystem is connected with a working table top of the Z-axis motion subsystem (2000-Z) through a cantilever beam (4001), and the cantilever-axis motion subsystem (2000-T) is arranged on the cantilever beam;
the X-axis motion subsystem (2000-X), the Y-axis motion subsystem (2000-Y), the Z-axis motion subsystem (2000-Z) and the cantilever axis motion subsystem (2000-T) respectively comprise a single-axis motion subsystem (2000) for realizing single-axis motion;
the single-axis motion subsystem (2000) comprises a sample subsystem (1000), a module bottom plate (2001), a driving motor (2002), a torque testing unit (2003), a coupling (2004), a grating ruler module (2005), a lead screw module (2009), a working table (2010), a ball module seat (2011), a floating bearing seat (2012), a motor seat (2014), a ball module (2015) and a torque testing unit support (2016); the sample subsystem (1000) comprises a rail sample (1001) and a slider sample (1002); the sliding block test sample (1002) is arranged on the guide rail test sample (1001) to form a guide rail sliding block test friction pair; the rail sample (1001) is mounted in a rail mounting groove (2001-1) in a module base plate (2001), the slide sample (1002) is connected with a working table (2010), the driving motor (2002) is installed on the module bottom plate (2001) through a motor base (2014), the torque test unit (2003) is mounted on the module base plate (2001) by means of a torque test unit holder (2016), one end of the screw module (2009) is arranged on the module bottom plate (2001) through a bearing seat (2007), the other end of the lead screw module (2009) is arranged on a module bottom plate (2001) through a floating bearing seat (2012), the working table surface (2010) is connected with the ball screw module through a ball module seat (2011), the grating ruler module (2005) is arranged on the side edge of the module base plate (2001), and a grating ruler test head of the grating ruler module (2005) is connected with the working table top (2010); the output end of the driving motor (2002) is connected with a torque testing unit (2003), the torque testing unit (2003) outputs power to a screw module (2009), the screw module (2009) rotates to drive the ball module (2015) and the ball module seat (2011) to move linearly, and the power is transmitted to the working table top (2010);
the spindle rotation subsystem (5000) comprises a spindle support (5001), a rotating spindle (5002) and a cutting tool (5003); the main shaft support (5001) is connected with a working table top of the cantilever shaft motion subsystem (2000-T), the rotary main shaft (5002) is connected and installed on the main shaft support (5001) through a shaft hole, and the cutting tool (5003) is coaxially connected with the rotary main shaft (5002) through Morse taper;
the lubrication cooling subsystem (7000) comprises a guide rail sample lubrication unit (7001), other friction pair lubrication units (7002) and a cutting cooling unit (7003); the guide rail sample lubricating unit (7001) is used for lubricating a sample subsystem (1000) in the single-shaft motion subsystem (2000); the other friction pair lubrication unit (7002) is used for lubricating the single-shaft motion subsystem (2000) and the main shaft rotation subsystem (5000); the cutting cooling unit (7003) is used for cooling and lubricating the cutting tool (5003) in the process of cutting a workpiece;
the motion control subsystem (8000) is used for controlling the motion of the single-axis motion subsystem (2000) and the main shaft rotation subsystem (5000);
the data acquisition subsystem (9000) comprises a torque acquisition module (9001), a motion acquisition module (9002), a lubricating oil acquisition module (9003) and a cutting quality acquisition module (9004); the torque acquisition module (9001) respectively acquires feedback data of a torque test unit (2003) in the single-axis motion subsystem (2000) to generate a torque-time curve; the motion acquisition module (9002) respectively acquires feedback data of a grating ruler module (2005) in the single-axis motion subsystem (2000) to form a displacement-time curve; the lubricating oil collecting module (9003) respectively collects lubricating liquid in a guide rail mounting groove (2001-1) on a module bottom plate (2001) in the single-shaft motion subsystem (2000) and is used for detecting and analyzing abrasive particles; the cutting quality acquisition module (9004) is used for detecting and analyzing the processing quality of the cutting tool (5003) for processing the workpiece.
2. The guide rail performance test system according to claim 1, wherein the slider test sample (1002) is mounted on the guide rail test sample (1001) to form a guide rail slider test friction pair which is a sliding guide rail friction pair in surface-to-surface contact or a rolling guide rail friction pair in line-to-surface contact or a rolling guide rail friction pair in point-to-surface contact.
3. The guide rail performance testing system of claim 1, wherein the number of the slider samples (1002) on a single guide rail sample (1001) is 2-6.
4. The guide rail performance test system of claim 1, characterized in that the guide rail sample lubrication unit (7001) in the lubrication cooling subsystem (7000) is an adjustable quantitative lubrication unit, and quantitative lubrication liquid is collected into the guide rail installation groove (2001-1) on the module bottom plate (2001) in each single-shaft motion subsystem (2000) for ensuring that the lubrication liquid is not affected by other friction pairs.
5. The rail performance testing system of claim 1, wherein the further friction pair lubrication unit (7002) is an adjustable dosing lubrication unit and the cutting cooling unit (7003) is an adjustable dosing cooling unit, and wherein the lubricating or cooling fluid is collected into a base lubricating oil-cooling fluid collection trough (3001-1) on a base (3001) in the base subsystem (3000).
6. The guideway performance testing system of claim 1, wherein the cutting tool (5003) has a runout detector mounted thereon for detecting runout of a table top (2010) in the single axis motion subsystem (2000) during testing.
7. The guideway performance test system of any of claims 1-6, further comprising a load subsystem (6000), the load subsystem (6000) configured to apply a load to the guideway of the single-axis motion subsystem (2000).
8. The rail performance testing system of claim 7, wherein the load subsystem (6000) comprises a number of weights; the weights can be installed on a working table top in the single-shaft motion subsystem (2000) in a combined mode and used for testing the performance of the guide rail under different loads.
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| CN117620742A (en) * | 2024-01-25 | 2024-03-01 | 河北大学 | Automatic change multiaxis linkage with plane drive arrangement |
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