A high-precision linear guide pair balanced load testing device

Abstract

The present invention discloses a high-precision linear guide pair balanced load test device, which relates to the technical field of guide pair balanced load test, including a shell, a No. 1 moving rod, a balance component, a support and a processing module, wherein the inner wall of the shell is installed with a No. 1 moving rod, the inner wall of the shell is installed with a support, the outer wall of the shell is installed with a processing module, and the output end of the No. 1 moving rod is installed with a balance component, which is used for product testing balance. The present invention is installed with a solid steel ball in radial isotropy to reduce the long and short force arms at different distances, and the fixed plate moves to drive the slider to connect with the track, at which time the No. 2 moving rod moves to drive the connecting rod to move, the connecting rod moves to drive the bottom plate to move, the bottom plate moves to drive the track to move, and the track moves, thereby realizing the use of the adaptive cooperation of the sphere and the ring to conduct and evenly distribute the pressure applied on the fixed plate to achieve high-precision balanced test of the guide pair.

Description

Technical Field

[0001] The invention relates to the technical field of guide rail pair balanced load testing, in particular to a high-precision linear guide rail pair balanced load testing device. Background Art

[0002] During the development and mass production of ball linear guide assemblies, fatigue tests of mechanical properties of finished products are required. The test requires that the slider makes relative reciprocating linear movements along the direction of the slide rail under the rated load and calibrated speed. After moving to the set target mileage, the cracks / wear / material peeling on the surface of the components and whether the accuracy exceeds the track are observed and analyzed to determine whether the ball linear guide assemblies meet the design and processing requirements. However, the rated load force of the existing linear guide assemblies balanced load test device is not evenly distributed on the balls. The unbalanced stress state and excessive load will cause rapid wear of the slider and the slide rail groove, seriously interfering with the accuracy and effectiveness of the fatigue test.

[0003] The existing linear guide balanced load test device has the following defects:

[0004] 1. Patent document CN111515755B discloses a guide rail performance test system, "including a sample subsystem, a basic subsystem, a cantilever subsystem, a spindle rotation subsystem, a lubrication and cooling subsystem, a motion control subsystem and a data acquisition subsystem; the present invention uses a real CNC machine tool as a carrier, and is suitable for testing the guide rail performance under various loads and different load action modes. The main performance indicators to be tested include torque response indicators, displacement response indicators, wear indicators, and real cutting performance effects, etc., and the functions are rich and practical. At the same time, the guide rail performance test system adopts a combined design method, and the guide rail friction pair test It is easy to install and disassemble, and each moving axis can operate independently or in conjunction, truly simulating the actual production application of the guide rail. In addition, the guide rail slider friction pair of the test object can be a sliding guide rail friction pair with surface-to-surface contact, a rolling guide rail friction pair with line-to-surface contact or point-to-surface contact, or a guide rail friction pair with other customized contact forms, which has a wide range of applications. However, the rated load force of the existing linear guide pair balanced load test device is not evenly divided on the ball. The unbalanced force state and excessive load will cause rapid wear of the slider and the guide rail groove, seriously interfering with the accuracy and effectiveness of the fatigue test;

[0005] 2. Patent document CN107525536B discloses an open air-floating guide rail test device, "including an air-floating guide rail device and a motion wiring device; the air-floating guide rail device has two parallel and spaced optical axis rails, and the outer sides of the two optical axis rails are fixedly connected to the frame; the two optical axis rails are used to slide and mount a moving trolley, and the moving trolley is provided with at least two air-floating bearings, and the moving trolley is suspended and slidably matched with the optical axis rails through the air-floating bearings, and is driven by a linear motor to perform linear motion in the length direction of the frame; a linear encoder feedback system is provided on the frame corresponding to the moving trolley; the motion wiring device includes a guide support shaft, and a plurality of cable suspension members are slidably provided on the guide support shaft, and the cables are suspended on the guide support shaft through the cable suspension members; a cable transmission member is sleeved on the guide support shaft, and each cable suspension member is spaced and positioned below the cable transmission member, so that when the moving trolley is displaced, the cable transmission member is pulled on the guide support shaft to extend and retract, and each cable suspension member drives the curved cables to extend and retract", but the existing linear guide rail pair balanced load test device cannot automatically compensate for the height during load testing, which increases manual labor;

[0006] 3. Patent document CN114018805B discloses a ground wheel and guide rail contact friction test device, "provides a ground wheel and guide rail contact friction test device that is easy to replace and disassemble different types of ground wheels and guide rails, and the test results are relatively accurate. A ground wheel and guide rail contact friction test device includes a mounting plate, a guide rail, a slide rail, etc. Two guide rails are symmetrically arranged on the left and right sides of the top of the mounting plate, and the front sides of the two guide rails are slidably connected with a slide rail for guidance. The staff can perform a simulated load test on the ground wheel and the guide rail by adding the number of weights according to the specific situation; the guide rail can be more conveniently ejected from the placement groove through the cooperation of the swing assembly and the sliding assembly, which is convenient for replacing guide rails of different models; by controlling the movement of the rodless cylinder, the ground wheel and the guide rail can be more conveniently tested for contact friction, thereby improving the testing efficiency of the staff", but the lubricating oil on the track surface of the existing linear guide pair balanced load test device cannot be automatically scraped off, which increases manual labor;

[0007] 4. Patent document CN114701815B discloses a guide rail structure and a chip testing machine. "The guide rail structure includes: a mounting platform; a first substrate; a second substrate; a third substrate, the sliding direction of the first substrate, the sliding direction of the second substrate and the sliding direction of the third substrate are perpendicular to each other; a first drive mechanism; a second drive mechanism; and a third drive mechanism. The guide rail structure provided by the present invention has a mounting portion extending from the third substrate. Driven by the first drive mechanism, the second drive mechanism and the third drive mechanism, the reciprocating sliding of the three substrates realizes the front-to-back, left-to-right, up-to-down movement of the mounting portion, so as to drive the alignment member to move front-to-back, left-to-right, up-to-down movement, and correct the position of the chip during the movement of the alignment member, so as to facilitate the adjustment of the displacement of the alignment member in three directions to adjust the position and angle of the chip." However, the track of the existing linear guide pair balanced load test device cannot be automatically lubricated, which reduces work efficiency. Summary of the invention

[0008] The purpose of the present invention is to provide a high-precision linear guide pair balanced load testing device to solve the technical problem proposed in the above background technology that the force of the rated load is not evenly distributed on the balls, the unbalanced stress state and excessive load will cause rapid wear of the slider and the slide rail groove, and seriously interfere with the accuracy and effectiveness of the fatigue test.

[0009] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-precision linear guide pair balanced load testing device, comprising a housing, a No. 1 moving rod, a balancing assembly, a support platform and a processing module, wherein the No. 1 moving rod is installed on the inner wall of the housing, the support platform is installed on the inner wall of the housing, the processing module is installed on the outer wall of the housing, the output end of the No. 1 moving rod is installed with a balancing assembly, the balancing assembly is used for balancing product testing, and the outer wall of the housing is installed with a machine door;

[0010] The balancing assembly includes a base plate, a track, a slider, a fixed plate, a square groove, a solid steel ball, and a hollow cylinder. The base plate is located at the top of the support, the track is located at the top of the base plate, the output end of the No. 1 moving rod is installed with a hollow cylinder, the slider is located on the outer wall of the track, the fixed plate is fixed to the top of the slider by threads and screws, the square groove is opened at the top of the fixed plate, and a solid steel ball is installed on the inner wall of the square groove. The inner wall of the support is installed with a No. 2 moving rod, and the output end of the No. 2 moving rod is installed with a connecting rod. The top of the support is provided with a No. 5 port, and the connecting rod is connected to the bottom of the base plate through the No. 5 port, the outer wall of the slider is installed with a ball, and the inner wall of the hollow cylinder is installed with an automatic adjustment module.

[0011] Preferably, the connecting rod moves through the No. 5 opening, the ball contacts the outer wall of the track, and the track is connected to the base plate through a screw.

[0012] Preferably, the automatic adjustment module includes an infrared sensor, which is electrically connected to the processing module, and the No. 1 moving rod is electrically connected to the processing module. The infrared sensor is used to detect the real-time distance data between the hollow cylinder and the solid steel ball, and the processing module has built-in appropriate distance data.

[0013] Preferably, the real-time distance data is transmitted to a processing module, which compares the real-time distance data with the appropriate distance data through a data comparison technique; when the result of the data comparison between the real-time distance data and the appropriate distance data is equal to the appropriate distance data, the data is set as normal height data; when the result of the data comparison between the real-time distance data and the appropriate distance data is greater than the appropriate distance data, the data is set as too high data; when the result of the data comparison between the real-time distance data and the appropriate distance data is less than the appropriate distance data, the data is set as too low height data.

[0014] Preferably, a cleaning assembly is installed on the inner wall of the shell, and the cleaning assembly is used to clean the lubricating oil on the outer wall of the track. A lubricating assembly is installed on the top of the support platform, and the lubricating assembly is used for lubrication between the track and the slider.

[0015] Preferably, the cleaning assembly includes a No. 4 moving rod, a concave box, a No. 6 spring, a No. 4 cylinder, a T-shaped rod, and a trapezoidal head. The No. 4 moving rod is located on the inner wall of the shell, the concave box is located at the output end of the No. 4 moving rod, the No. 6 spring is located on the inner wall of the concave box, the No. 4 cylinder is installed through the outer wall of the concave box, the T-shaped rod penetrates the inner wall of the No. 4 cylinder, the trapezoidal head is located at one end of the T-shaped rod, and one end of the No. 6 spring is connected to the outer wall of the T-shaped rod, the No. 7 cylinder is installed on the inner wall of the concave box, the outer wall of the T-shaped rod is installed with a limiting rod, and one end of the limiting rod extends to the inner wall of the No. 7 cylinder.

[0016] Preferably, the limit rod moves on the inner wall of the seventh cylinder, the T-shaped rod moves through the fourth cylinder, and the trapezoidal head contacts the outer wall of the track.

[0017] Preferably, the lubrication assembly includes a collecting box, a partition, an oil pump, a nozzle, an oil channel, an oil head, and a sealing plate. The collecting box is located at the top of the support platform, the partition is located at the inner wall of the collecting box, the oil pump passes through the top of the partition, the nozzle passes through the outer wall of the collecting box, and one end of the nozzle is connected to the output end of the oil pump, the oil channel passes through the top of the collecting box, the oil head is located at one end of the oil channel, a No. 8 cylinder is installed through the inner wall of the oil head, a sealing plate is installed through the inner wall of the No. 8 cylinder, one end of the sealing plate is arc-shaped, a No. 9 spring is installed on the inner wall of the oil head, and one end of the No. 9 spring is connected to one end of the sealing plate.

[0018] Preferably, the sealing plate is moved by a No. 8 cylinder, and the nozzle is located on one side of the track.

[0019] Preferably, the working steps of the testing device are as follows:

[0020] S1. The movement of the No. 1 moving rod drives the movement of the hollow cylinder. The movement of the hollow cylinder causes the solid steel ball to be stuck in the hollow cylinder, changing the shape of the bottom surface of the pressure block. The pressure block is changed into a solid steel ball to avoid the uneven surface of the bottom of the square pressure block causing unequal lengths of force arms, reducing the contact area, adding a solid steel ball in the center of the pressure block and the fixed plate, using the radial isotropy of the solid steel ball to reduce the length of the force arms at different distances, the fixed plate moves to drive the slider to connect with the track, at this time, the movement of the No. 2 moving rod drives the movement of the connecting rod, the movement of the connecting rod drives the movement of the bottom plate, the movement of the bottom plate drives the movement of the track, and the track moves, realizing the use of the adaptive cooperation of the sphere and the ring to transmit and evenly distribute the pressure applied on the fixed plate to make the guide pair balanced and high-precision test;

[0021] S2, when the height data is normal, the processing module controls the No. 1 moving rod to maintain the height, and the test starts at this time. When the height data is too high, the processing module controls the No. 1 moving rod to lengthen. During the extension of the No. 1 moving rod, the infrared sensor continuously detects the real-time distance data, and the processor determines until the normal height data is detected. When the height data is too low, the processing module controls the No. 1 moving rod to retract. During the retraction of the No. 1 moving rod, the infrared sensor continuously detects the real-time distance data, and the processor determines until the normal height data is detected, thereby realizing the function of automatically compensating the height and reducing manual labor during the load test;

[0022] S3, the movement of the moving rod drives the concave box to move, the concave box moves to the track, at this time the movement of the trapezoidal head drives the T-shaped rod to move, the movement of the T-shaped rod drives the No. 6 spring to move, the movement of the No. 6 spring causes the T-shaped rod to drive the limit rod to move, the movement of the limit rod makes the trapezoidal head and the track tightly connected, after the test is completed, the track moves to automatically scrape off the lubricating oil on the track surface through the trapezoidal head, realizing the function of automatically scraping off the lubricating oil on the track surface and reducing manual labor;

[0023] S4. The function of the partition is to provide support for the oil pump. When adding lubricating oil, the filling head drives the sealing plate to move, and the movement of the sealing plate drives the movement of the No. 9 spring. The movement of the No. 9 spring causes the filling head to remove the sealing plate to open the oil head, and the lubricating oil flows into the collecting box through the oil channel. When the filling head moves out of the oil head, the No. 9 spring drives the sealing plate to close the oil head. When the oil pump starts, the lubricating oil is sprayed onto the track surface through the nozzle to automatically lubricate it, realizing the function of automatic lubrication of the track of the guide rail pair balanced load test device to improve work efficiency.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The present invention installs a No. 1 moving rod to move the hollow cylinder, and the movement of the hollow cylinder causes the solid steel ball to be stuck in the hollow cylinder, thereby changing the bottom shape of the pressing block, and changing the pressing block into a solid steel ball, so as to avoid the uneven plane of the bottom of the square pressing block causing unequal force arms, reduce the contact area, and add a solid steel ball at the central position of the pressing block and the fixed plate, and use the radial isotropy of the solid steel ball to reduce the long and short force arms at different distances. The fixed plate moves to drive the slider to connect with the track, and at this time, the No. 2 moving rod moves to drive the connecting rod to move, and the movement of the connecting rod drives the bottom plate to move, and the movement of the bottom plate drives the track to move, and the track moves, so as to realize the use of the adaptive cooperation of the sphere and the ring to transmit and evenly distribute the pressure applied on the fixed plate to make the guide rail pair balanced and high-precision test;

[0026] 2. The present invention controls the No. 1 moving rod to maintain a high position when the normal height data is installed, and the processing module controls the No. 1 moving rod to lengthen when the height is too large. During the lengthening of the No. 1 moving rod, the infrared sensor continuously detects the real-time distance data, and the processor determines until the normal height data is detected. When the height is too low, the processing module controls the No. 1 moving rod to retract. During the retraction of the No. 1 moving rod, the infrared sensor continuously detects the real-time distance data, and the processor determines until the normal height data is detected, thereby realizing the function of automatically compensating the height and reducing manual labor during the load test;

[0027] 3. The present invention drives the concave box to move by installing a moving rod, and the concave box moves to the track. At this time, the trapezoidal head moves to drive the T-shaped rod, and the T-shaped rod moves to drive the No. 6 spring. The No. 6 spring moves to drive the T-shaped rod to drive the limit rod to move. The limit rod moves to tightly connect the trapezoidal head with the track. After the test is completed, the track moves to automatically scrape off the lubricating oil on the track surface through the trapezoidal head, thereby realizing the function of automatically scraping off the lubricating oil on the track surface and reducing manual labor;

[0028] 4. The function of the present invention is to provide support for the oil pump by installing a partition. When adding lubricating oil, the filling head drives the sealing plate to move, and the movement of the sealing plate drives the No. 9 spring to move. The movement of the No. 9 spring causes the filling head to remove the sealing plate to open the oil head, and the lubricating oil flows into the collecting box through the oil channel. When the filling head moves out of the oil head, the No. 9 spring drives the sealing plate to close the oil head. When the oil pump is started, the lubricating oil is sprayed onto the track surface through the nozzle to automatically lubricate it, thereby realizing the function of automatic lubrication of the track of the guide rail pair balanced load test device to improve the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a front view structural schematic diagram of the present invention;

[0030] Figure 2 It is a schematic diagram of the right structure of the present invention;

[0031] Figure 3It is a front structural schematic diagram of the present invention;

[0032] Figure 4 It is a schematic diagram of the structure of the slider of the present invention;

[0033] Figure 5 For the present invention Figure 2 A structural diagram of ;

[0034] Figure 6 It is a schematic diagram of the height control process of the present invention;

[0035] Figure 7 It is a schematic diagram of the structure of the trapezoidal head of the present invention;

[0036] Figure 8 It is a schematic diagram of the structure of the collection box of the present invention;

[0037] Fig. 9 For the present invention Figure 8 Schematic diagram of the B structure.

[0038] In the figure: 1. Shell; 2. Machine door; 3. Processing module; 4. Support platform; 5. Moving rod No. 2; 6. Moving rod No. 1; 7. Slider; 8. Hollow cylinder; 9. Mouth No. 5; 10. Connecting rod; 11. Bottom plate; 12. Track; 13. Ball; 14. Square groove; 15. Solid steel ball; 17. Moving rod No. 4; 18. Concave box; 19. Cylinder No. 4; 20. T-shaped rod; 21. Trapezoidal head; 22. Spring No. 6; 23. Cylinder No. 7; 24. Limit rod; 26. Collecting box; 27. Oil channel; 28. Oil head; 29. ​​Partition; 30. Oil pump; 31. Nozzle; 32. Cylinder No. 8; 33. Sealing plate; 34. Spring No. 9; 40. Fixed plate. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] Example 1: Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4An embodiment of the present invention is as follows: a high-precision linear guide pair balanced load testing device, comprising a shell 1, a No. 1 moving rod 6, a balancing assembly, a support platform 4 and a processing module 3, wherein the No. 1 moving rod 6 is installed on the inner wall of the shell 1, the support platform 4 is installed on the inner wall of the shell 1, the processing module 3 is installed on the outer wall of the shell 1, the output end of the No. 1 moving rod 6 is installed with a balancing assembly, and the balancing assembly is used for balancing product testing, the outer wall of the shell 1 is installed with a machine door 2, the inner wall of the shell 1 is installed with a cleaning assembly, and the cleaning assembly is used for cleaning the lubricating oil on the outer wall of the track 12, and the top of the support platform 4 is installed with a lubrication assembly, and the lubrication assembly Used for lubrication between the track 12 and the slider 7, the balancing assembly includes a base plate 11, a track 12, a slider 7, a fixed plate 40, a square groove 14, a solid steel ball 15, and a hollow cylinder 8. The base plate 11 is located at the top of the support 4, the track 12 is located at the top of the base plate 11, the output end of the No. 1 moving rod 6 is installed with a hollow cylinder 8, the slider 7 is located on the outer wall of the track 12, the fixed plate 40 is fixed to the top of the slider 7 by threads and screws, the square groove 14 is opened at the top of the fixed plate 40, the inner wall of the square groove 14 is installed with a solid steel ball 15, the inner wall of the support 4 is installed with the No. 2 moving rod 5, and the No. 2 moving rod The output end of 5 is equipped with a connecting rod 10, the top of the support 4 is provided with a No. 5 mouth 9, and the connecting rod 10 is connected to the bottom of the bottom plate 11 through the No. 5 mouth 9, the outer wall of the slider 7 is equipped with a ball 13, and the inner wall of the hollow cylinder 8 is equipped with an automatic adjustment module, the connecting rod 10 moves through the No. 5 mouth 9, the ball 13 contacts the outer wall of the track 12, and the track 12 is connected to the bottom plate 11 through a screw rod, and the No. 1 moving rod 6 moves to drive the hollow cylinder 8 to move, and the movement of the hollow cylinder 8 causes the solid steel ball 15 to be stuck in the hollow cylinder 8, changing the shape of the bottom surface of the pressing block, and changing the pressing block to a solid steel ball 15 to avoid the square pressing block bottom In order to reduce the contact area by causing unequal lengths of force arms due to the uneven surface, a solid steel ball 15 is added at the central position of the pressure block and the fixed plate 40, and the radial isotropy of the solid steel ball 15 is used to reduce the long and short force arms at different distances. The fixed plate 40 moves to drive the slider 7 to connect with the track 12. At this time, the movement of the No. 2 moving rod 5 drives the connecting rod 10 to move, the movement of the connecting rod 10 drives the bottom plate 11 to move, and the movement of the bottom plate 11 drives the track 12 to move. The track 12 moves, realizing the use of the adaptive cooperation of the sphere and the ring to transmit and evenly distribute the pressure applied to the fixed plate 40 to achieve balanced high-precision testing of the guide pair.

[0043] Example 2: Please refer to Figure 1 , Figure 2 , Figure 5 and Figure 6An embodiment provided by the present invention: the automatic adjustment module includes an infrared sensor, the infrared sensor is electrically connected to the processing module 3, the No. 1 moving rod 6 is electrically connected to the processing module 3, the infrared sensor is used to detect the real-time distance data between the hollow cylinder 8 and the solid steel ball 15, the processing module 3 has built-in suitable distance data, the real-time distance data is transmitted to the processing module 3, and the processing module 3 compares the real-time distance data with the suitable distance data through a data comparison technology. When the result of the data comparison between the real-time distance data and the suitable distance data is equal to the suitable distance data, it is set as normal height data, and when the result of the data comparison between the real-time distance data and the suitable distance data is greater than the suitable distance data, it is set as excessive height data. When the real-time distance data is compared with the appropriate distance data and the result is less than the appropriate distance data, it is set as low height data. When the height data is normal, the processing module 3 controls the No. 1 moving rod 6 to maintain the height and the test starts. When the height data is too large, the processing module 3 controls the No. 1 moving rod 6 to lengthen. During the extension of the No. 1 moving rod 6, the infrared sensor continuously detects the real-time distance data, and the processor determines until the normal height data is detected. When the height data is too low, the processing module 3 controls the No. 1 moving rod 6 to retract. During the retraction of the No. 1 moving rod 6, the infrared sensor continuously detects the real-time distance data, and the processor determines until the normal height data is detected, thereby realizing the function of automatically compensating the height and reducing manual labor during the load test.

[0044] Example 3: Please refer to Figure 3 and Figure 7 An embodiment of the present invention is as follows: the cleaning assembly includes a No. 4 moving rod 17, a concave box 18, a No. 6 spring 22, a No. 4 cylinder 19, a T-shaped rod 20, and a trapezoidal head 21. The No. 4 moving rod 17 is located on the inner wall of the shell 1, the concave box 18 is located at the output end of the No. 4 moving rod 17, the No. 6 spring 22 is located on the inner wall of the concave box 18, the No. 4 cylinder 19 is installed through the outer wall of the concave box 18, the T-shaped rod 20 penetrates the inner wall of the No. 4 cylinder 19, the trapezoidal head 21 is located at one end of the T-shaped rod 20, and one end of the No. 6 spring 22 is connected to the outer wall of the T-shaped rod 20, the No. 7 cylinder 23 is installed on the inner wall of the concave box 18, the outer wall of the T-shaped rod 20 is installed with a limiting rod 24, and one end of the limiting rod 24 extends to the No. 7 cylinder 23 The inner wall of the track 12, the limit rod 24 moves on the inner wall of the No. 7 tube 23, the T-shaped rod 20 moves through the No. 4 tube 19, the trapezoidal head 21 contacts the outer wall of the track 12, the moving rod 17 moves to drive the concave box 18 to move, the concave box 18 moves to move to the track 12, at this time the trapezoidal head 21 moves to drive the T-shaped rod 20 to move, the T-shaped rod 20 moves to drive the No. 6 spring 22 to move, the No. 6 spring 22 moves to make the T-shaped rod 20 drive the limit rod 24 to move, the limit rod 24 moves to make the trapezoidal head 21 tightly connected with the track 12, after the test is completed, the track 12 moves to automatically scrape off the lubricating oil on the surface of the track 12 through the trapezoidal head 21, thereby realizing the function of automatically scraping off the lubricating oil on the surface of the track 12 and reducing manual labor.

[0045] Example 4: Please refer to Figure 2 , Figure 8 and Fig. 9 , an embodiment provided by the present invention: the lubrication assembly includes a collection box 26, a partition 29, an oil pump 30, a nozzle 31, an oil passage 27, an oil head 28, and a sealing plate 33, the collection box 26 is located at the top of the support 4, the partition 29 is located at the inner wall of the collection box 26, the oil pump 30 runs through the top of the partition 29, the nozzle 31 runs through the outer wall of the collection box 26, and one end of the nozzle 31 is connected to the output end of the oil pump 30, the oil passage 27 runs through the top of the collection box 26, the oil head 28 is located at one end of the oil passage 27, the inner wall of the oil head 28 is penetrated by an eighth cylinder 32, the inner wall of the eighth cylinder 32 is penetrated by a sealing plate 33, one end of the sealing plate 33 is arc-shaped, the inner wall of the oil head 28 is installed with a ninth spring 34, and the ninth spring 34 One end is connected to one end of a sealing plate 33, and the sealing plate 33 is moved by the No. 8 cylinder 32. The nozzle 31 is located on one side of the track 12. The function of the partition 29 is to provide support for the oil pump 30. When adding lubricating oil, the oiling head drives the sealing plate 33 to move, and the movement of the sealing plate 33 drives the No. 9 spring 34 to move. The movement of the No. 9 spring 34 causes the oiling head to remove the sealing plate 33 to open the oil head 28, and the lubricating oil flows into the collecting box 26 through the oil channel 27. When the oiling head moves out of the oil head 28, the No. 9 spring 34 drives the sealing plate 33 to close the oil head 28. When the oil pump 30 is started, the lubricating oil is sprayed onto the surface of the track 12 through the nozzle 31 to lubricate it automatically, thereby realizing the function of automatic lubrication of the track 12 of the guide rail pair balanced load test device to improve work efficiency.

[0046] The working steps of the test device are as follows:

[0047] S1, the No. 1 moving rod 6 moves to drive the hollow cylinder 8 to move, the hollow cylinder 8 moves to make the solid steel ball 15 stuck in the hollow cylinder 8, the bottom shape of the pressure block is changed, the pressure block is changed to a solid steel ball 15, to avoid the uneven surface of the bottom of the square pressure block causing unequal lengths of force arms, reduce the contact area, add a solid steel ball 15 at the center of the pressure block and the fixed plate 40, use the solid steel ball 15 in the radial isotropy to reduce the length of the force arms at different distances, the fixed plate 40 moves to drive the slider 7 to connect with the track 12, at this time, the No. 2 moving rod 5 moves to drive the connecting rod 10 to move, the connecting rod 10 moves to drive the bottom plate 11 to move, the bottom plate 11 moves to drive the track 12 to move, the track 12 moves, and the adaptive cooperation of the sphere and the ring is used to transmit and evenly distribute the pressure applied to the fixed plate 40 to make the guide pair balanced and high-precision test;

[0048] S2, when the height data is normal, the processing module 3 controls the No. 1 moving rod 6 to maintain the height test. When the height data is too high, the processing module 3 controls the No. 1 moving rod 6 to lengthen. During the extension of the No. 1 moving rod 6, the infrared sensor continuously detects the real-time distance data, and the processor determines until the normal height data is detected. When the height data is too low, the processing module 3 controls the No. 1 moving rod 6 to retract. During the retraction of the No. 1 moving rod 6, the infrared sensor continuously detects the real-time distance data, and the processor determines until the normal height data is detected, thereby realizing the function of automatically compensating the height and reducing manual labor during the load test;

[0049] S3, the moving rod 17 moves to drive the concave box 18 to move, and the concave box 18 moves to the track 12. At this time, the trapezoidal head 21 moves to drive the T-shaped rod 20 to move, and the T-shaped rod 20 moves to drive the No. 6 spring 22 to move, and the No. 6 spring 22 moves to make the T-shaped rod 20 drive the limit rod 24 to move, and the limit rod 24 moves to make the trapezoidal head 21 and the track 12 tightly connected. After the test is completed, the track 12 moves to automatically scrape off the lubricating oil on the surface of the track 12 through the trapezoidal head 21, realizing the function of automatically scraping off the lubricating oil on the surface of the track 12 and reducing manual labor;

[0050] S4. The function of the partition 29 is to provide support for the oil pump 30. When adding lubricating oil, the filling head drives the sealing plate 33 to move, and the movement of the sealing plate 33 drives the No. 9 spring 34 to move. The movement of the No. 9 spring 34 causes the filling head to remove the sealing plate 33 to open the oil head 28, and the lubricating oil flows into the collecting box 26 through the oil channel 27. When the filling head moves out of the oil head 28, the No. 9 spring 34 drives the sealing plate 33 to close the oil head 28. When the oil pump 30 is started, the lubricating oil is sprayed onto the surface of the track 12 through the nozzle 31 to automatically lubricate it, thereby realizing the function of automatic lubrication of the track 12 of the guide rail pair balanced load test device to improve the working efficiency.

[0051] Working principle: the movement of the No. 1 moving rod 6 drives the hollow cylinder 8 to move, and the movement of the hollow cylinder 8 makes the solid steel ball 15 stuck in the hollow cylinder 8, changing the shape of the bottom surface of the pressure block, and changing the pressure block to the solid steel ball 15, to avoid the uneven surface of the bottom of the square pressure block causing unequal lengths of force arms, reducing the contact area, adding a solid steel ball 15 in the center of the pressure block and the fixed plate 40, using the radial isotropy of the solid steel ball 15, reducing the length of the force arms at different distances, the fixed plate 40 moves to drive the slider 7 to connect with the track 12, at this time, the movement of the No. 2 moving rod 5 drives the connecting rod 10 to move, the movement of the connecting rod 10 drives the bottom plate 11 to move, and the bottom plate 11 moves to drive the track 12 to move, and the track 12 moves, realizing the use of the adaptive cooperation of the sphere and the ring to conduct and evenly distribute the pressure applied to the fixed plate 40 to make the guide rail pair balanced and high-precision test. When the height data is normal, the processing module 3 controls the No. 1 moving rod 6 to maintain the height test. When the height is too large, the processing module 3 controls the No. 1 moving rod 6 to lengthen. During the extension of the No. 1 moving rod 6, the infrared sensor continuously detects the real-time distance data, and the processor determines until the normal height data is detected. When the height data is too low, the processing module 3 controls the No. 1 moving rod 6 to retract. During the retraction of the No. 1 moving rod 6, the infrared sensor continuously detects the real-time distance data. The processor determines until the normal height data is detected, realizing the function of automatically compensating the height during the load test to reduce manual labor, the moving rod 17 moves to drive the concave box 18 to move, the concave box 18 moves to make it move to the track 12, at this time the trapezoidal head 21 moves to drive the T-shaped rod 20 to move, the T-shaped rod 20 moves to drive the No. 6 spring 22 to move, the No. 6 spring 22 moves to make the T-shaped rod 20 drive the limit rod 24 to move, the limit rod 24 moves to make the trapezoidal head 21 and the track 12 tightly connected, after the test is completed, the track 12 moves to automatically scrape the lubricating oil on the surface of the track 12 through the trapezoidal head 21, realizing the surface of the track 12 The lubricating oil is automatically scraped off to reduce manual labor. The function of the partition 29 is to provide support for the oil pump 30. When adding lubricating oil, the filling head drives the sealing plate 33 to move, and the movement of the sealing plate 33 drives the No. 9 spring 34 to move. The movement of the No. 9 spring 34 causes the filling head to remove the sealing plate 33 to open the oil head 28, and the lubricating oil flows into the collecting box 26 through the oil channel 27. When the filling head moves out of the oil head 28, the No. 9 spring 34 drives the sealing plate 33 to close the oil head 28. When the oil pump 30 is started, the lubricating oil is sprayed onto the surface of the track 12 through the nozzle 31 to automatically lubricate it, thereby realizing the function of automatic lubrication of the track 12 of the guide rail pair balanced load test device to improve work efficiency.

[0052] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A high-precision linear guide pair balanced load testing device, comprising a housing (1), a first moving rod (6), a balancing assembly, a support platform (4) and a processing module (3), characterized in that: The inner wall of the shell (1) is mounted with a first moving rod (6), the inner wall of the shell (1) is mounted with a support platform (4), the outer wall of the shell (1) is mounted with a processing module (3), the output end of the first moving rod (6) is mounted with a balancing component, the balancing component is used for balancing product testing, and the outer wall of the shell (1) is mounted with a machine door (2); The balancing assembly comprises a base plate (11), a track (12), a slider (7), a fixing plate (40), a square groove (14), a solid steel ball (15), and a hollow cylinder (8). The base plate (11) is located on the top of the support platform (4), the track (12) is located on the top of the base plate (11), the output end of the first moving rod (6) is equipped with a hollow cylinder (8), the slider (7) is located on the outer wall of the track (12), the fixing plate (40) is fixed to the top of the slider (7) by a thread and a screw, and the square groove (14) is fixed to the top of the slider (7) by a thread and a screw. ) is opened on the top of the fixed plate (40), a solid steel ball (15) is installed on the inner wall of the square groove (14), a No. 2 moving rod (5) is installed on the inner wall of the support platform (4), a connecting rod (10) is installed on the output end of the No. 2 moving rod (5), a No. 5 opening (9) is provided on the top of the support platform (4), and the connecting rod (10) is connected to the bottom of the bottom plate (11) through the No. 5 opening (9), a ball bearing (13) is installed on the outer wall of the slider (7), and an automatic adjustment module is installed on the inner wall of the hollow cylinder (8); The first moving rod (6) moves to drive the hollow cylinder (8) to move, and the movement of the hollow cylinder (8) causes the solid steel ball (15) to be stuck in the hollow cylinder (8), thereby changing the shape of the bottom surface of the pressing block. The pressing block is changed into a solid steel ball (15), so as to avoid the uneven surface of the bottom of the square pressing block causing unequal force arms, thereby reducing the contact area. A solid steel ball (15) is added at the central position of the pressing block and the fixed plate (40), and the radial isotropy of the solid steel ball (15) is utilized to reduce the long and short force arms at different distances. The fixed plate (40) moves to drive the slider (7) to connect with the track (12), and at this time, the second moving rod (5) moves to drive the connecting rod (10) to move, and the connecting rod (10) moves to drive the bottom plate (11), and the bottom plate (11) moves to drive the track (12), and the track (12) moves, thereby realizing the use of the adaptive cooperation of the sphere and the ring to transmit and evenly distribute the pressure applied to the fixed plate (40) to achieve balanced high-precision testing of the guide pair.

2. A high-precision linear guide pair balanced load testing device according to claim 1, characterized in that: The connecting rod (10) moves through the No. 5 opening (9), the ball (13) contacts the outer wall of the track (12), and the track (12) is connected to the bottom plate (11) via a screw.

3. A high-precision linear guide pair balanced load testing device according to claim 1, characterized in that: The automatic adjustment module comprises an infrared sensor, the infrared sensor is electrically connected to the processing module (3), the first moving rod (6) is electrically connected to the processing module (3), the infrared sensor is used to detect the real-time distance data between the hollow cylinder (8) and the solid steel ball (15), and the processing module (3) has built-in appropriate distance data.

4. A high-precision linear guide pair balanced load testing device according to claim 3, characterized in that: The real-time distance data is transmitted to the processing module (3), and the processing module (3) compares the real-time distance data with the appropriate distance data through a data comparison technique. When the result of the data comparison between the real-time distance data and the appropriate distance data is equal to the appropriate distance data, it is set as normal height data; when the result of the data comparison between the real-time distance data and the appropriate distance data is greater than the appropriate distance data, it is set as too high height data; when the result of the data comparison between the real-time distance data and the appropriate distance data is less than the appropriate distance data, it is set as too low height data.

5. The high-precision linear guide pair balanced load testing device according to claim 1, characterized in that: A cleaning component is installed on the inner wall of the housing (1), and is used to clean the lubricating oil on the outer wall of the track (12). A lubricating component is installed on the top of the support platform (4), and is used to lubricate the track (12) and the slider (7).

6. A high-precision linear guide pair balanced load testing device according to claim 5, characterized in that: The cleaning component comprises a No. 4 moving rod (17), a concave box (18), a No. 6 spring (22), a No. 4 cylinder (19), a T-shaped rod (20), and a trapezoidal head (21). The No. 4 moving rod (17) is located on the inner wall of the shell (1), the concave box (18) is located at the output end of the No. 4 moving rod (17), the No. 6 spring (22) is located on the inner wall of the concave box (18), the No. 4 cylinder (19) is installed through the outer wall of the concave box (18), the T-shaped rod (20) is installed through the inner wall of the No. 4 cylinder (19), the trapezoidal head (21) is located at one end of the T-shaped rod (20), and one end of the No. 6 spring (22) is connected to the outer wall of the T-shaped rod (20), the No. 7 cylinder (23) is installed on the inner wall of the concave box (18), the outer wall of the T-shaped rod (20) is installed with a limiting rod (24), and one end of the limiting rod (24) extends to the inner wall of the No. 7 cylinder (23).

7. A high-precision linear guide pair balanced load testing device according to claim 6, characterized in that: The limiting rod (24) moves on the inner wall of the No. 7 cylinder (23), the T-shaped rod (20) moves through the No. 4 cylinder (19), and the trapezoidal head (21) contacts the outer wall of the track (12).

8. The high-precision linear guide pair balanced load testing device according to claim 5, characterized in that: The lubrication assembly comprises a collection box (26), a partition (29), an oil pump (30), a nozzle (31), an oil passage (27), an oil nozzle (28), and a sealing plate (33); the collection box (26) is located on the top of the support platform (4); the partition (29) is located on the inner wall of the collection box (26); the oil pump (30) passes through the top of the partition (29); the nozzle (31) passes through the outer wall of the collection box (26); and one end of the nozzle (31) is connected to the oil pump (3 0), the oil passage (27) passes through the top of the collecting box (26), the oil head (28) is located at one end of the oil passage (27), an eighth cylinder (32) is installed through the inner wall of the oil head (28), a sealing plate (33) is installed through the inner wall of the eighth cylinder (32), one end of the sealing plate (33) is arc-shaped, a ninth spring (34) is installed on the inner wall of the oil head (28), and one end of the ninth spring (34) is connected to one end of the sealing plate (33).

9. A high-precision linear guide pair balanced load testing device according to claim 8, characterized in that: The sealing plate (33) is moved by the No. 8 cylinder (32), and the nozzle (31) is located on one side of the track (12).

10. A method for using a high-precision linear guide pair balanced load testing device according to any one of claims 1 to 9, characterized in that: The working steps of the test device are as follows: S1, the first moving rod (6) moves to drive the hollow cylinder (8) to move, the hollow cylinder (8) moves to make the solid steel ball (15) stuck in the hollow cylinder (8), the bottom shape of the pressure block is changed, the pressure block is changed to a solid steel ball (15), to avoid the square bottom of the pressure block causing unequal lengths of force arms due to the uneven plane, to reduce the contact area, to add a solid steel ball (15) at the central position of the pressure block and the fixed plate (40), to use the radial isotropy of the solid steel ball (15) to reduce the length of the force arms at different distances, the fixed plate (40) moves to drive the slider (7) to connect with the track (12), at this time, the second moving rod (5) moves to drive the connecting rod (10) to move, the connecting rod (10) moves to drive the bottom plate (11) to move, the bottom plate (11) moves to drive the track (12), the track (12) moves, and the adaptive cooperation of the sphere and the ring is used to transmit and evenly distribute the pressure applied to the fixed plate (40) to make the guide pair balanced and high-precision test; S2, when the height data is normal, the processing module (3) controls the first moving rod (6) to maintain the height and the test starts; when the height data is too high, the processing module (3) controls the first moving rod (6) to extend, and during the extension of the first moving rod (6), the infrared sensor continuously detects the real-time distance data, and the processor determines until the normal height data is detected; when the height data is too low, the processing module (3) controls the first moving rod (6) to retract, and during the retraction of the first moving rod (6), the infrared sensor continuously detects the real-time distance data, and the processor determines until the normal height data is detected, thereby realizing the function of automatically compensating the height and reducing manual labor during the load test; S3, the fourth moving rod (17) moves to drive the concave box (18), and the concave box (18) moves to move to the track (12). At this time, the trapezoidal head (21) moves to drive the T-shaped rod (20), and the T-shaped rod (20) moves to drive the sixth spring (22). The sixth spring (22) moves to make the T-shaped rod (20) drive the limit rod (24) to move, and the limit rod (24) moves to make the trapezoidal head (21) and the track (12) tightly connected. After the test is completed, the track (12) moves through the trapezoidal head (21) to automatically scrape off the lubricating oil on the surface of the track (12), thereby realizing the function of automatically scraping off the lubricating oil on the surface of the track (12) and reducing manual labor; S4, the function of the partition plate (29) is to provide support for the oil pump (30). When adding lubricating oil, the oiling head drives the sealing plate (33) to move, and the movement of the sealing plate (33) drives the No. 9 spring (34) to move. The movement of the No. 9 spring (34) causes the oiling head to move the sealing plate (33) away to open the oiling head (28), and the lubricating oil flows into the collecting box (26) through the oil passage (27). When the oiling head moves out of the oiling head (28), the No. 9 spring (34) drives the sealing plate (33) to close the oiling head (28). When the oil pump (30) is started, the lubricating oil is sprayed onto the surface of the rail (12) through the spray head (31) to automatically lubricate it, thereby realizing the function of automatically lubricating the rail (12) of the guide rail pair balanced load test device to improve the working efficiency.

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