A slider durability testing device

Abstract

The utility model discloses a slider durability testing arrangement, including the test frame, both sides side walls of test frame all are fixedly connected with the side plate, and the rotation is connected with the reciprocating screw between two groups side plates, the screw sleeve is threadedly connected on reciprocating screw screw section, the fixed plate outer wall all are provided with the clamping subassembly, and two groups fixed plate outer wall are provided with the joint plate in common, the joint plate outer wall is installed with the cleaning brush, the cleaning brush sliding connection is in linear guide rail end surface, the joint plate outer wall is provided with the elastic component. The utility model discloses through setting up the cleaning brush and reciprocating screw synchronous sliding, and the cleaning brush can remove the chippings and the attrition particle of producing in the process that slider and linear guide rail contact in real time, has guaranteed chippings and particle to be cleaned in time, not only effectively eliminated the unevenness and error of the accumulation of chippings, still has guaranteed the movement of slider more stable, thereby has improved the accuracy and reliability of testing process.

Description

TECHNICAL FIELD

[0001] The utility model relates to durability test technical field especially relates to a sliding block durability test device. BACKGROUND

[0002] The sliding block durability test device is a special equipment for evaluating the durability and performance of sliding blocks (usually referring to sliding parts in mechanical systems) in long-term use. It tests the wear resistance, fatigue life and reliability of sliding blocks by simulating their movement, load and friction conditions in actual working environment.

[0003] In the prior art, the sliding block is driven to reciprocate on the linear guide rail mainly through the driving mechanism, and different loads, speeds and movement frequencies are applied to simulate the conditions of the sliding block in real use, so as to detect whether the sliding block will appear wear, deformation or failure after long-time running. However, this method has certain disadvantages in actual use, for example, during the test process, the linear guide rail will attach the debris generated due to the wear of the sliding block, which may not guarantee the dynamic balance when the sliding block slides on the guide rail, resulting in unevenness and errors in the subsequent test results. Therefore, a sliding block durability test device is needed to solve the above problems. SUMMARY

[0004] The utility model discloses a sliding block durability test device to solve the shortcoming in prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A sliding block durability test device, comprising a test frame, the test frame two sides wall all are fixedly connected with side plate, two groups side plate are rotatably connected with reciprocating screw rod between, the screw rod is screwed on the screw rod sleeve of reciprocating screw rod screw section, the test frame inner wall is fixedly connected with linear guide rail, the reciprocating screw rod is arranged in linear guide rail just above, the linear guide rail both sides outer wall all are fixedly connected with fixed plate, the fixed plate outer wall all is provided with clamping assembly, two groups fixed plate outer wall are provided with the link plate in common, the link plate outer wall is installed with cleaning brush, the cleaning brush is slidably connected in linear guide rail end face, the link plate outer wall is provided with elastic component.

[0007] Preferably, the elastic component comprises a connecting rod movably connected to the outer wall of the link plate, the connecting rod is fixedly connected with the cleaning brush at the end, and the other end of the connecting rod is fixedly connected with a fixed block, and the radius of the fixed block is larger than that of the connecting rod.

[0008] Preferably, the outer wall of the connecting rod is sleeved with a spring, one end of the spring is fixedly connected with the end face of the link plate, and the other end of the spring is fixedly connected with the lower end face of the fixed block.

[0009] Preferably, the clamping assembly comprises electric telescopic rods fixedly connected to the outer walls of the two sets of fixed plates respectively, the telescopic ends of the electric telescopic rods penetrate through the fixed plates and are fixed with clamping plates, and the outer walls of the clamping plates are provided with a plurality of anti-skid grooves.

[0010] Preferably, two sets of limiting rods are fixedly connected between the two sets of side plates, the lead screw sleeve is slidingly connected to the outer walls of the two sets of limiting rods, the reciprocating lead screw and the outer walls of the two sets of limiting rods are fixedly connected with limiting blocks, and the positions are symmetrically arranged.

[0011] Preferably, the outer wall of one of the side plates is fixedly connected with a servo motor, and the output shaft end of the servo motor is coaxially fixedly connected with the reciprocating lead screw.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model discloses a cleaning brush and reciprocating lead screw synchronous sliding are set up, and the cleaning brush can remove the debris and wear particles generated in the contact process of the sliding block and the linear guide rail in real time, ensures that the debris and particles are cleaned in time, effectively eliminates the unevenness and error caused by the debris accumulation, and ensures that the movement of the sliding block is more stable, thereby improving the accuracy and reliability of the test process.

[0014] 2. The utility model discloses that two groups of electric telescopic rods drive the clamping plate to slide towards each other, and the clamping plate is fixed at the contact place of the outer wall of the sliding block, avoids that the sliding block is loose in the test process due to vibration or impact, and the anti-skid groove arranged on the clamping plate increases the clamping force and improves the clamping stability. ACCURACY

[0015] Figure 1 The utility model provides a kind of sliding block durability test device structure schematic view;

[0016] Figure 2 For Figure 1 Middle lead screw sleeve and fixed plate, cleaning brush and other component structure schematic view.

[0017] Figure 3 For Figure 2 Structure schematic view.

[0018] In the drawing: 1, test frame;2, side plate;3, servo motor;4, reciprocating lead screw;5, limiting rod;6, limiting block;7, linear guide rail;8, lead screw sleeve;9, electric telescopic rod;10, clamping plate;11, fixed plate;12, link plate;13, connecting rod;14, spring;15, cleaning brush;16, fixed block. DETAILED DESCRIPTION

[0019] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment.

[0020] Referring to Figures 1-3 A slider durability test device, including test frame 1, both sides of test frame 1 are fixedly connected with side plate 2, reciprocating screw rod 4 is rotatably connected between two groups of side plates 2, screw sleeve 8 is threadedly connected on the threaded section of reciprocating screw rod 4, linear guide rail 7 is fixedly connected on the inner wall of test frame 1, reciprocating screw rod 4 is arranged directly above linear guide rail 7, fixed plate 11 is fixedly connected on the outer wall of linear guide rail 7, clamping assembly is arranged on the outer wall of fixed plate 11, and connecting plate 12 is arranged on the outer wall of two groups of fixed plate 11, cleaning brush 15 is installed on the outer wall of connecting plate 12, cleaning brush 15 is slidably connected on the end surface of linear guide rail 7, and elastic assembly is arranged on the outer wall of connecting plate 12;

[0021] Specifically, the cleaning brush 15 is driven by the screw sleeve 8 to slide synchronously, which can effectively remove the debris on the linear guide rail 7, thereby ensuring the dynamic balance of the slider during the test process, so as to improve the accuracy of the test and prolong the service life of the linear guide rail 7.

[0022] The elastic assembly includes a connecting rod 13 movably connected to the outer wall of the connecting plate 12, the connecting rod 13 is fixedly connected to the cleaning brush 15 at one end, and a fixed block 16 is fixedly connected to the other end of the connecting rod 13, and the radius of the fixed block 16 is larger than that of the connecting rod 13.

[0023] Specifically, the connecting rod 13 can make the position of the cleaning brush 15 relative to the connecting plate 12 movable, so that the cleaning brush 15 always maintains contact with the linear guide rail 7 during movement.

[0024] The outer wall of the connecting rod 13 is sleeved with a spring 14, one end of the spring 14 is fixedly connected to the end surface of the connecting plate 12, and the other end of the spring 14 is fixedly connected to the lower end surface of the fixed block 16.

[0025] Specifically, the spring 14 can optimize the buffering performance of the elastic assembly, so that the cleaning brush 15 always maintains moderate contact with the linear guide rail 7 during movement, and the cleaning effect of the cleaning brush 15 on the linear guide rail 7 is improved.

[0026] The clamping assembly includes an electric telescopic rod 9 fixedly connected to the outer wall of each of the two groups of fixed plates 11, the telescopic end of the electric telescopic rod 9 penetrates through the fixed plate 11 and is fixedly connected with a clamping plate 10, and a plurality of anti-skid grooves are formed in the outer wall of the clamping plate 10.

[0027] Specifically, the electric telescopic rod 9 and the clamping plate 10 are arranged to stably fix the sliding block, ensure that the sliding block does not loosen in the test process due to vibration or impact, the anti-skid grooves are arranged to increase the friction between the clamping plate 10 and the sliding block, further improve the stability of clamping, and thus ensure the accuracy and reliability of the test.

[0028] The two groups of limiting rods 5 are fixedly connected between the two groups of side plates 2, the screw sleeve 8 is slidingly connected to the outer walls of the two groups of limiting rods 5, the reciprocating screw rod 4 and the outer walls of the two groups of limiting rods 5 are fixedly connected with the limiting blocks 6, and the positions are symmetrically arranged.

[0029] Specifically, the limiting rods 5 and the limiting blocks 6 are arranged to effectively limit the movement range of the screw sleeve 8, and prevent the screw sleeve 8 from deviating from the linear guide rail 7 in the reciprocating movement process.

[0030] One group of side plates 2 is fixedly connected with the servo motor 3, and the output shaft end of the servo motor 3 is coaxially fixedly connected with the reciprocating screw rod 4.

[0031] In the utility model, during use, first, the sliding block to be tested is installed above the linear guide rail 7 and between the two groups of clamping plates 10, the two groups of clamping plates 10 are driven to slide towards each other by the extension of the telescopic ends of the two groups of electric telescopic rods 9, until the outer wall of the sliding block is contacted, so that the clamping and fixing of the sliding block are realized, and the loosening of the sliding block in the test process due to vibration or impact is prevented. Meanwhile, the anti-skid grooves on the clamping plate 10 increase the clamping force and further improve the stability, so that the stability and accuracy of the sliding block in the test process are ensured.

[0032] Then, the reciprocating screw rod 4 is driven to rotate by the servo motor 3, the servo motor 3 controls the reciprocating movement of the screw rod through accurate speed adjustment, so that the sliding block can accurately slide on the linear guide rail 7. The cleaning brush 15 in the device slides synchronously with the reciprocating screw rod 4, the cleaning brush 15 is driven to slide along the linear guide rail 7 by the screw sleeve 8, and the debris and wear particles generated in the contact process of the sliding block and the linear guide rail 7 are removed in real time. The interference of the debris on the movement of the sliding block is effectively prevented, the dynamic balance in the test process is ensured, and thus the accuracy of the test result is improved.

[0033] The arrangement of the spring 14 ensures that the cleaning brush 15 always moderately contacts the linear guide rail 7, the buffering effect of the spring 14 can ensure that the cleaning brush 15 stably adheres to the surface of the guide rail during the sliding process, the cleaning effect is enhanced, and the cleaning brush 15 is prevented from damaging the surface of the linear guide rail 7 due to excessive pressure.

[0034] During the test, the operator adjusts the working state of the servo motor 3 to control the motion frequency, speed and load of the reciprocating screw rod 4, simulates the load and motion condition of the slider in actual use.

[0035] In summary, the device can effectively simulate the long-term use of the slider on the linear guide rail 7 through mechanical transmission, cleaning mechanism and clamping stability design, ensure the dynamic balance, accuracy and reliability during the test, and effectively improve the accuracy of the test results, providing a comprehensive and reliable test platform for the slider durability test.

[0036] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A slider durability test apparatus comprising a test stand (1), characterized in that, Both sides of the test frame (1) are fixedly connected with side plates (2), two groups of the side plates (2) are rotatably connected with reciprocating lead screws (4), the reciprocating lead screws (4) are threadedly connected with lead screw sleeves (8), the test frame (1) is fixedly connected with linear guides (7), the reciprocating lead screws (4) are arranged directly above the linear guides (7), both sides of the linear guides (7) are fixedly connected with fixed plates (11), the fixed plates (11) are provided with clamping assemblies, two groups of the fixed plates (11) are provided with a connecting plate (12) on the outer wall, the connecting plate (12) is provided with a cleaning brush (15), the cleaning brush (15) is slidably connected to the end face of the linear guide (7), and the connecting plate (12) is provided with an elastic assembly.

2. A slider durability testing apparatus according to claim 1, wherein The elastic assembly comprises a connecting rod (13) movably connected to the outer wall of the connecting plate (12), the connecting rod (13) is fixedly connected with the cleaning brush (15) at the end, and the other end of the connecting rod (13) is fixedly connected with a fixed block (16), and the radius of the fixed block (16) is larger than that of the connecting rod (13).

3. A slider durability testing apparatus according to claim 2, wherein The outer wall of the connecting rod (13) is sleeved with a spring (14), one end of the spring (14) is fixedly connected with the end face of the connecting plate (12), and the other end of the spring (14) is fixedly connected with the lower end face of the fixed block (16).

4. The slider durability testing apparatus of claim 1, wherein The clamping assembly comprises an electric telescopic rod (9) fixedly connected to the outer wall of the two groups of fixed plates (11) respectively, the telescopic end of the electric telescopic rod (9) penetrates through the fixed plate (11) and is fixedly connected with a clamping plate (10), and a plurality of anti-skid grooves are formed in the outer wall of the clamping plate (10).

5. A slider durability testing apparatus according to claim 4, wherein Two groups of limiting rods (5) are fixedly connected between the two groups of side plates (2), the lead screw sleeves (8) are slidably connected to the outer walls of the two groups of limiting rods (5), and the reciprocating lead screws (4) and the two groups of limiting rods (5) are fixedly connected with limiting blocks (6) on the outer walls and are symmetrically arranged.

6. A slider durability testing apparatus according to claim 5, wherein One group of the side plates (2) is fixedly connected with a servo motor (3) on the outer wall, and the output shaft end of the servo motor (3) is fixedly connected with the reciprocating lead screw (4) coaxially.

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