Guide rail service life testing machine

Abstract

The utility model provides a guide rail service life testing machine, which comprises a pressing structure, the pressing structure comprises a top plate, a bottom plate is arranged right below the top plate, sliding rods are arranged at four corners between the top plate and the bottom plate, a T-shaped screw rod is rotatably connected between the top plate and the bottom plate, a hand wheel is arranged at the top of the T-shaped screw rod, and the hand wheel is connected with the pressing structure. A pressure sensor is arranged on one side of the bottom plate, and a pressing head is arranged on the other side of the bottom plate. According to the utility model, the design is reasonable, through the arrangement of the pressing structure capable of moving downwards, the pressing structure can drive the test slide block to move downwards, so that the test slide block can be tightly connected with the tested piece, and then the installation platform moves left and right and drives the tested piece to slide in the test slide block; and the T-shaped screw rod is rotated, so that the connection tightness between the test slide block and the tested piece and the extrusion force on the tested piece can be adjusted.

Description

Technical Field

[0001] This utility model mainly relates to the field of guide rails, and specifically to a guide rail life testing machine. Background Technology

[0002] Guide rails, as core components of precision mechanical transmission systems, are widely used in CNC machine tools, automated equipment, rail transportation, and other fields. Their lifespan and reliability directly affect the operational stability and maintenance costs of the entire machine.

[0003] During the operation of specific embodiments, the inventors discovered the following defects:

[0004] However, during the process of testing the lifespan of the guide rail using a testing machine, the testing machine cannot guarantee that the slider guide rail and the applied pressure remain centered, and cannot detect the magnitude of the applied pressure and determine whether it is qualified in real time.

[0005] It should be noted that the above content falls within the scope of the inventor's technical knowledge. Due to the vast and complex nature of the technical content in this field, the above content of this application does not necessarily constitute prior art. Utility Model Content

[0006] 1. The technical problem to be solved by the utility model:

[0007] This invention provides a guide rail life testing machine to solve the technical problems existing in the background art.

[0008] 2. Technical Solution:

[0009] To achieve the above objectives, the technical solution provided by this utility model is as follows: a guide rail life testing machine, including a testing machine body, a base structure is provided at the bottom of the testing machine body, a driving structure is provided on one side inside the base structure, a slide rail placement platform is provided on the other side inside the base structure, and a pressing structure is provided on the top of the slide rail placement platform.

[0010] The clamping structure includes a top plate, a bottom plate directly below the top plate, sliding rods at the four corners between the top plate and the bottom plate, a T-shaped lead screw rotatably connecting the top plate and the bottom plate, a handwheel at the top of the T-shaped lead screw, a pressure sensor on one side of the bottom plate, and a pressure head on the other side of the bottom plate.

[0011] Furthermore, the drive structure includes a support frame disposed on one side of the top of the base structure. A drive servo motor is disposed on one side of the support frame. A reducer is disposed at the output end of the drive servo motor. A turntable is disposed at the output end of the reducer. A connecting rod is rotatably connected to the outer wall of one side of the turntable.

[0012] Furthermore, a bracket is provided on one side of the top of the support frame, and a counting sensor is provided on the outer wall of the bracket, with the number of the counting sensors set to three.

[0013] Furthermore, the slide rail placement platform includes a bellows cover and a gantry frame. The bellows cover has a guide rail inside, and a movable slider is slidably connected to the top of the guide rail. An installation platform is provided on the top of the movable slider.

[0014] Furthermore, positioning elbow clamps are provided on both sides of the installation platform, and a test piece is provided on the top of the installation platform. A test slider is slidably connected to the outer wall of the test piece, and the test slider is connected to the pressure head.

[0015] Furthermore, the gantry frame is disposed on the top of the base structure, and threaded holes are provided at the four corners of the top of the gantry frame. The threaded holes are slidably connected to the slide rods, and a sliding hole is provided in the middle of the gantry frame. The sliding hole is threadedly connected to the T-shaped lead screw.

[0016] 3. Beneficial effects:

[0017] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0018] This invention features a downward-moving clamping structure that allows the test slider to move downwards, ensuring a tight connection between the test slider and the test piece. The mounting platform then moves left and right, causing the test piece to slide within the test slider, thereby detecting the lifespan of the test piece. Rotating the T-shaped lead screw adjusts the tightness of the connection between the test slider and the test piece, as well as the compressive force applied to the test piece. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a three-dimensional cross-sectional structural diagram of the testing machine body of this utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the driving structure of this utility model;

[0022] Figure 4 This is a three-dimensional structural diagram of the driving structure of this utility model.

[0023] Figure 5 This is a schematic diagram of the three-dimensional unfolded structure of the slide rail placement platform of this utility model.

[0024] Figure 6 This is a three-dimensional structural diagram of the clamping structure of this utility model.

[0025] Figure label:

[0026] 1. Test machine body; 2. Drive structure; 201. Support frame; 202. Transmission servo motor; 203. Reducer; 204. Bracket; 205. Counting sensor; 206. Turntable; 207. Connecting rod; 3. Slide rail placement platform; 301. Bellows cover; 302. Guide rail; 303. Moving slider; 304. Mounting platform; 305. Positioning elbow clamp; 306. Test piece; 307. Test slider; 308. Gantry frame; 309. Sliding hole; 310. Threaded hole; 4. Clamping structure; 401. Top plate; 402. Handwheel; 403. T-type lead screw; 404. Sliding rod; 405. Base plate; 406. Pressure head; 5. Base structure. Detailed Implementation

[0027] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0028] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "fixed," "provided with," and "located in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Example

[0031] See attached document Figure 1-6 A guide rail life testing machine includes a testing machine body 1. The bottom of the testing machine body 1 is provided with a base structure 5. A drive structure 2 is provided on one side inside the base structure 5. A slide rail placement platform 3 is provided on the other side inside the base structure 5. A pressing structure 4 is provided on the top of the slide rail placement platform 3. When it is necessary to test a standard guide rail, the top of the base structure 5 is a marble platform and the bottom is a steel frame.

[0032] 1. The length of the 304 stainless steel mounting platform should be ≤500mm.

[0033] 2. The module's effective travel distance is 500mm per stroke.

[0034] 2. Maximum lifespan test speed ≤ 500 mm / s

[0035] 3. Longest continuous life test duration ≤ 180 hours

[0036] 4. Type of guide rail: Standard rail dedicated guide rail. Maximum specification: 45mm and below.

[0037] 5. Maximum Z-axis pressure ≤ 1200kg

[0038] 6. Base structure accuracy ≤ 0.05mm

[0039] 6. The flatness of the accordion cover 301 is ≤0.05mm.

[0040] 7. The flatness and parallelism of the 304 stainless steel mounting platform shall be ≤0.05mm.

[0041] 8. The test slider 307 under test has an automatic oiling function.

[0042] 9. Z-axis pressure fluctuation ≤ ±5%;

[0043] The outer wall of the test machine body 1 is also equipped with a tri-color light, a buzzer, a human-machine interface, emergency stop, start and reset buttons, a main power switch, a front cover, data transmission and PC industrial control computer for controlling the test machine;

[0044] The clamping structure 4 includes a top plate 401, a bottom plate 405 directly below the top plate 401, and sliding rods 404 at the four corners between the top plate 401 and the bottom plate 405. A T-shaped lead screw 403 is rotatably connected between the top plate 401 and the bottom plate 405. A handwheel 402 is provided on the top of the T-shaped lead screw 403. A pressure sensor is provided on one side of the bottom plate 405, and a pressure head 406 is provided on the other side of the bottom plate 405. Rotating the handwheel 402 causes the T-shaped lead screw 403 to rotate inside the sliding hole 309, and the T-shaped lead screw 403 moves downward, causing the T-shaped lead screw 403 to drive the sliding rods 404 to slide inside the threaded hole 310. The sliding rods 404 drive the bottom plate 405 to move downward, and the bottom plate 405 drives the test slider 307 to move downward, so that the test slider 307 compresses the test piece 306.

[0045] Furthermore, the drive structure 2 includes a support frame 201, which is disposed on one side of the top of the base structure 5. A drive servo motor 202 is disposed on one side of the support frame 201. A reducer 203 is disposed at the output end of the drive servo motor 202. A turntable 206 is disposed at the output end of the reducer 203. A connecting rod 207 is rotatably connected to the outer wall of one side of the turntable 206. A bracket 204 is disposed on one side of the top of the support frame 201. A counting sensor 205 is disposed on the outer wall of the bracket 204. The number of counting sensors 205 is set to three. When the drive servo motor 202 is started, the drive servo motor 202 drives the turntable 206 to rotate through the reducer 203. The turntable 206 drives the connecting rod 207 to swing, so that the connecting rod 207 pushes the mounting platform 304 to slide. At the same time, the counting sensors 205 can count the number of rotations of the turntable 206.

[0046] Furthermore, the slide rail placement platform 3 includes a bellows cover 301 and a gantry frame 308. A guide rail 302 is provided inside the bellows cover 301. A movable slider 303 is slidably connected to the top of the guide rail 302. A mounting platform 304 is provided on the top of the movable slider 303. Positioning elbows 305 are provided on both sides of the mounting platform 304. A test piece 306 is provided on the top of the mounting platform 304. A test slider 307 is slidably connected to the outer wall of the test piece 306. The test slider 307 is connected to the pressure head 406. The gantry frame... 308 is set on the top of the base structure 5. The four corners of the top of the gantry frame 308 are provided with threaded holes 310. The threaded holes 310 are slidably connected to the slide rod 404. The middle of the gantry frame 308 is provided with a sliding hole 309. The sliding hole 309 is threadedly connected to the T-shaped lead screw 403. The test piece 306 is installed on the top of the installation platform 304. Then, the positioning elbow clamp 305 is provided to fix the test piece 306. Then, the test slider 307 is installed on the top of the test piece 306 and the test slider 307 is pressed against the test piece 306 by the pressing structure 4.

[0047] Then, as the turntable 206 rotates, the turntable 206 drives the mounting platform 304 to move left and right through the connecting rod 207. The connecting rod 207 is rotatably connected to the test piece 306. Then, the bracket 204 drives the bottom sliding slider 303 to slide on the outer wall of the guide rail 302. Then, the mounting platform 304 drives the test piece 306 to slide on the bottom of the test slider 307, thereby performing a life test on the test piece 306. Example

[0048] See attached document Figure 1-6 A guide rail life testing machine includes a testing machine body 1. A base structure 5 is provided at the bottom of the testing machine body 1. A drive structure 2 is provided on one side inside the base structure 5. A slide rail placement platform 3 is provided on the other side inside the base structure 5. A pressing structure 4 is provided on the top of the slide rail placement platform 3. When it is necessary to test the miniature guide rail, the entire base structure 5 is made of marble.

[0049] The outer wall of the test machine body 1 is also equipped with a tri-color light, a buzzer, a human-machine interface, emergency stop, start and reset buttons, a main power switch, a front cover, data transmission and PC industrial control computer for controlling the test machine;

[0050] The clamping structure 4 includes a top plate 401, a bottom plate 405 directly below the top plate 401, and sliding rods 404 at the four corners between the top plate 401 and the bottom plate 405. A T-shaped lead screw 403 is rotatably connected between the top plate 401 and the bottom plate 405. A handwheel 402 is provided on the top of the T-shaped lead screw 403. A pressure sensor is provided on one side of the bottom plate 405, and a pressure head 406 is provided on the other side of the bottom plate 405. Rotating the handwheel 402 causes the T-shaped lead screw 403 to rotate inside the sliding hole 309, and the T-shaped lead screw 403 moves downward, causing the T-shaped lead screw 403 to drive the sliding rods 404 to slide inside the threaded hole 310. The sliding rods 404 drive the bottom plate 405 to move downward, and the bottom plate 405 drives the test slider 307 to move downward, so that the test slider 307 compresses the test piece 306.

[0051] Furthermore, the drive structure 2 includes a support frame 201, which is disposed on one side of the top of the base structure 5. A drive servo motor 202 is disposed on one side of the support frame 201. A reducer 203 is disposed at the output end of the drive servo motor 202. A turntable 206 is disposed at the output end of the reducer 203. A connecting rod 207 is rotatably connected to the outer wall of one side of the turntable 206. A bracket 204 is disposed on one side of the top of the support frame 201. A counting sensor 205 is disposed on the outer wall of the bracket 204. The number of counting sensors 205 is set to three. When the drive servo motor 202 is started, the drive servo motor 202 drives the turntable 206 to rotate through the reducer 203. The turntable 206 drives the connecting rod 207 to swing, so that the connecting rod 207 pushes the mounting platform 304 to slide. At the same time, the counting sensors 205 can count the number of rotations of the turntable 206.

[0052] Furthermore, the slide rail placement platform 3 includes a bellows cover 301 and a gantry frame 308. A guide rail 302 is provided inside the bellows cover 301. A movable slider 303 is slidably connected to the top of the guide rail 302. A mounting platform 304 is provided on the top of the movable slider 303. Positioning elbows 305 are provided on both sides of the mounting platform 304. A test piece 306 is provided on the top of the mounting platform 304. A test slider 307 is slidably connected to the outer wall of the test piece 306. The test slider 307 is connected to the pressure head 406. The gantry frame... 308 is set on the top of the base structure 5. The four corners of the top of the gantry frame 308 are provided with threaded holes 310. The threaded holes 310 are slidably connected to the slide rod 404. The middle of the gantry frame 308 is provided with a sliding hole 309. The sliding hole 309 is threadedly connected to the T-shaped lead screw 403. The test piece 306 is installed on the top of the installation platform 304. Then, the positioning elbow clamp 305 is provided to fix the test piece 306. Then, the test slider 307 is installed on the top of the test piece 306 and the test slider 307 is pressed against the test piece 306 by the pressing structure 4.

[0053] Then, as the turntable 206 rotates, the turntable 206 drives the mounting platform 304 to move left and right through the connecting rod 207. The connecting rod 207 is rotatably connected to the test piece 306. Then, the bracket 204 drives the bottom sliding slider 303 to slide on the outer wall of the guide rail 302. Then, the mounting platform 304 drives the test piece 306 to slide on the bottom of the test slider 307, thereby performing a life test on the test piece 306.

[0054] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A guide rail life testing machine, characterized in that: include The test machine body (1) has a base structure (5) at its bottom, a drive structure (2) is provided on one side inside the base structure (5), a slide rail placement platform (3) is provided on the other side inside the base structure (5), and a pressing structure (4) is provided on the top of the slide rail placement platform (3). The pressing structure (4) includes a top plate (401), a bottom plate (405) is provided directly below the top plate (401), slide rods (404) are provided at the four corners between the top plate (401) and the bottom plate (405), a T-shaped lead screw (403) is rotatably connected between the top plate (401) and the bottom plate (405), a handwheel (402) is provided at the top of the T-shaped lead screw (403), a pressure sensor is provided on one side of the bottom plate (405), and a pressure head (406) is provided on the other side of the bottom plate (405).

2. The guide rail life testing machine according to claim 1, characterized in that: The drive structure (2) includes a support frame (201), which is located on one side of the top of the base structure (5). A drive servo motor (202) is provided on one side of the support frame (201). A reducer (203) is provided at the output end of the drive servo motor (202). A turntable (206) is provided at the output end of the reducer (203). A connecting rod (207) is rotatably connected to the outer wall of one side of the turntable (206).

3. The guide rail life testing machine according to claim 2, characterized in that: A bracket (204) is provided on one side of the top of the support frame (201), and a counting sensor (205) is provided on the outer wall of the bracket (204), with the number of the counting sensors (205) set to three.

4. The guide rail life testing machine according to claim 1, characterized in that: The slide rail placement platform (3) includes a bellows cover (301) and a gantry frame (308). The bellows cover (301) is provided with a guide rail (302). A movable slider (303) is slidably connected to the top of the guide rail (302). An installation platform (304) is provided on the top of the movable slider (303).

5. A guide rail life testing machine according to claim 4, characterized in that: The mounting platform (304) is provided with positioning elbow clamps (305) on both sides, and the test piece (306) is provided on the top of the mounting platform (304). The test piece (306) is slidably connected to the outer wall of the test piece (306), and the test slider (307) is connected to the pressure head (406).

6. A guide rail life testing machine according to claim 4, characterized in that: The gantry frame (308) is located on the top of the base structure (5). Threaded holes (310) are provided at the four corners of the top of the gantry frame (308). The threaded holes (310) are slidably connected to the slide rod (404). A sliding hole (309) is provided in the middle of the gantry frame (308). The sliding hole (309) is threadedly connected to the T-shaped lead screw (403).

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