Sliding performance testing device of linear guide rail pair

Abstract

The utility model relates to the technical field of testing devices, in particular to a sliding performance testing device for a linear guide rail pair, which comprises a mounting base, and a jacking assembly is mounted on the base surface of the mounting base; according to the utility model, one end of the electric lead screw elevator applies thrust to the top plate, so that the top plate drives the first fixed base to rise through the first fixed plate, and the mounting plate is inclined, thereby facilitating the sliding performance test of the linear guide rail pair on the surface of the mounting plate during inclination; an electric signal generated by a speed measurement sensor is transmitted to a controller through a wire, after a group of linear guide rail pairs are tested, the controller controls a servo motor to operate, so that the servo motor drives a rotating connecting piece to rotate, and when the rotating connecting piece rotates, the rotating connecting piece is driven to rotate. When the linear guide rail pair is detected, the rotary connecting piece drives the second fixed base to rotate through the universal transmission shaft, then the second fixed base drives the mounting plate to rotate, the next linear guide rail pair is detected, and the practicability is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to test device technical field, concretely is a linear guide pair's sliding performance testing device. BACKGROUND

[0002] Linear guide pair is a kind of mechanical device for realizing accurate linear motion, generally by guide rail and slider composition.Guide rail generally adopts linear type's metal or plastic track design, and slider is a component that can smoothly slide on guide rail.This structure is widely used in industrial machinery and equipment, automation system and tool machine etc.

[0003] In order to verify the performance and reliability of linear guide pair, ensure that it can reach the expected design standard in actual application and show good work performance, it is usually tested in a series of strict tests.These tests include but are not limited to bearing capacity, precision level, service life and stability evaluation.Through such test process, potential problems or defects that linear guide pair may have can be effectively found, so as to provide basis for subsequent product improvement and optimization.The final goal is to ensure that linear guide pair can stably and reliably run under various working conditions, meet the needs of users.

[0004] Current test equipment usually cannot measure multiple linear guides at the same time, which means that each guide must be fixed on the test device for testing one by one.This process is not only tedious and time-consuming, but also increases the operation complexity.

[0005] In addition, the existing test method mainly focuses on verifying linear sliding performance, ignoring the diversity requirements of linear guide pair in actual use scenarios.For example, in actual application, linear guide may be inclined or used in other non-standard configurations, which may affect its sliding performance.Therefore, relying only on traditional linear sliding performance test may not be enough to fully reflect the performance of linear guide pair under different working conditions.

[0006] Therefore, a linear guide pair sliding performance testing device is needed to improve the above problems. UTILITY MODEL CONTENT

[0007] In order to solve the problem that the test device cannot measure multiple linear guides at the same time when the test device tests linear guide pair, which means that each guide must be fixed on the test device for testing one by one, the utility model provides a linear guide pair sliding performance testing device to solve the above problems.

[0008] To achieve the above purpose, the utility model provides the following technical scheme:

[0009] The utility model provides a kind of sliding performance testing device of linear guide pair, including installation base, the top lifting assembly is installed on the base surface of installation base, the slide groove is opened on the base surface of installation base, wherein slide groove is sequentially provided with multiple groups from left to right and respectively located on the outer wall of installation base, test assembly is installed on the inner wall of slide groove, foot pad is installed at the corner of the bottom of installation base;

[0010] The top lifting assembly includes a plurality of struts and an electric screw lift, the struts are provided on the base surface of the installation base, the outer wall of the struts is slidably connected with a top plate, the electric screw lift is installed on the base surface of the installation base, and the lifting end of the electric screw lift is connected to the bottom end of the top plate, the base surface of the top plate is installed with a first fixed plate, and the inner wall of the first fixed plate is installed with a first fixed base through a spherical universal joint.

[0011] As a preferred scheme of the utility model, the test assembly includes a mounting plate, a second fixed plate, and a mounting bracket, the mounting plate is slidably connected to the inner wall of the slide groove, the base surface of the mounting plate is installed with a servo motor, and the outer wall of the servo motor is installed with a controller.

[0012] As a preferred scheme of the utility model, the driving end of the servo motor is installed with a rotating connecting piece, the second fixed plate is installed on the base surface of the installation base, the inner wall of the second fixed plate is rotatably connected with a second fixed base, and one end of the second fixed base is connected with a rotating connecting piece through a universal transmission shaft.

[0013] As a preferred scheme of the utility model, the other end of the second fixed base is installed with a mounting plate, the mounting plate is annularly provided with multiple groups, one end of the mounting plate is installed on the outer wall of the first fixed base, mounting holes are formed on the outer wall of the mounting plate, and magnetic attraction fixed plates are symmetrically arranged on one side of the mounting holes and located on the outer wall of the mounting plate.

[0014] As a preferred scheme of the utility model, a double-shaft driving motor is installed on the outer wall of the mounting plate, the driving shaft of the double-shaft driving motor is installed with a threaded rod, the threaded rod is provided with two groups and respectively located on the outer wall of the driving shaft of the double-shaft driving motor, the screw threads of the threaded rods are opposite, and the outer wall of the threaded rod is threadedly connected with a limiting clamp plate.

[0015] As a preferred scheme of the utility model, the limiting clamp plate is slidably connected to the outer wall of the mounting plate, one end of the threaded rod is rotatably connected to the outer wall of the second fixed base, and the mounting bracket is slidably connected to the inner wall of the slide groove, wherein the mounting bracket is located on one side of the mounting plate.

[0016] As the preferred scheme of the utility model, the mounting bracket is concave-shaped structure, and the mounting bracket is located directly above the mounting plate, a sliding plate is slidably connected to the outer wall of the mounting bracket, a speed sensor is mounted on the outer wall of the sliding plate and located directly above the mounting plate.

[0017] As the preferred scheme of the utility model, the controller is respectively connected with the electric screw rod elevator, the servo motor, the double-shaft driving motor and the speed sensor through wires and the connection mode is electrical connection, the foot pad is provided with multiple groups and located at the bottom corners of the mounting base respectively, the top plate and the top of the mounting base are flush, the first fixed plate is located on one side of the second fixed plate, the mounting holes are provided with multiple groups and located on the outer walls of the mounting plate respectively, the limiting clamping plates are provided with two groups and located on the opposite outer walls of the mounting plate respectively.

[0018] Compared with the prior art, the utility model discloses a test assembly is arranged in the sliding performance testing device of the linear guide vice, can realize the sliding performance detection of multiple linear guide vices, when the linear guide vice slides, the speed sensor located directly above the mounting plate can generate data in real time, and the electric signal generated by the speed sensor is conducted to the controller through wires, when a group of linear guide vices is tested, the controller controls the servo motor to operate, and then the servo motor drives the rotary connecting piece to rotate, when the rotary connecting piece rotates, the rotary connecting piece drives the second fixed base to rotate through the universal transmission shaft, and then the second fixed base drives the mounting plate to rotate, and the next group of linear guide vices is detected, so that the utility model has better practicability, and the test equipment cannot measure multiple linear guides simultaneously, which means that each guide must be fixed on the testing device in turn for testing.

[0019] The utility model discloses a jacking assembly is arranged in the sliding performance testing device of the linear guide vice, can realize the inclined sliding performance detection of the linear guide vice, the controller controls the electric screw rod elevator to operate, makes one end of the electric screw rod elevator to the top plate and exerts the thrust, makes the top plate drive the first fixed base to go up through the first fixed plate, makes the first fixed base drive one end of the mounting plate to go up, and then makes the mounting plate to be inclined, so as to test the sliding performance of the linear guide vice on the surface of the mounting plate when being inclined, thereby solving the problem that the linear sliding performance test may not fully reflect the performance of the linear guide vice under different working conditions. ACCURACY OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the test assembly structure schematic diagram of the utility model;

[0022] Figure 3 This is a side view of the structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the dual-axis drive motor structure of this utility model;

[0024] Figure 5 This utility model Figure 3 An enlarged schematic diagram of the A structure.

[0025] In the diagram: 1. Mounting base; 2. Lifting assembly; 201. Support column; 202. Electric screw jack; 203. Top plate; 204. First fixing plate; 205. Spherical universal joint; 206. First fixed base; 3. Slide groove; 4. Test assembly; 401. Mounting base plate; 402. Second fixing plate; 403. Mounting bracket; 404. Servo motor; 405. Controller; 406. Rotating connector; 407. Second fixed base; 408. Mounting plate; 409. Mounting hole; 410. Magnetic fixing plate; 411. Dual-axis drive motor; 412. Threaded rod; 413. Limiting clamp; 414. Slide plate; 415. Speed ​​sensor; 5. Foot pad. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0027] Example: Please refer to Figures 1-5 The sliding performance testing device for a linear guide pair shown includes a mounting base 1, a lifting component 2 mounted on the base surface of the mounting base 1, a sliding groove 3 formed on the base surface of the mounting base 1, wherein multiple sets of sliding grooves 3 are arranged from left to right and are respectively located on the outer wall of the mounting base 1, a testing component 4 is mounted on the inner wall of the sliding groove 3, and a foot pad 5 is mounted at the bottom corner of the mounting base 1.

[0028] In this embodiment, specific references Figure 1 , Figure 2 , Figure 3 and Figure 4The jacking assembly 2 comprises a plurality of struts 201 arranged on the base surface of the mounting base 1 and a motorized screw jack 202. The outer wall of the struts 201 is slidably connected with a top plate 203. The motorized screw jack 202 is installed on the base surface of the mounting base 1, and the lifting end of the motorized screw jack 202 is connected to the bottom end of the top plate 203. The base surface of the top plate 203 is provided with a first fixed plate 204. The inner wall of the first fixed plate 204 is provided with a first fixed base 206 through a spherical universal joint 205.

[0029] In this embodiment, specific reference is made to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 The testing assembly 4 comprises a mounting base plate 401, a second fixed plate 402 and a mounting bracket 403. The mounting base plate 401 is slidably connected to the inner wall of the sliding groove 3. The base surface of the mounting base plate 401 is provided with a servo motor 404. The outer wall of the servo motor 404 is provided with a controller 405. The driving end of the servo motor 404 is provided with a rotary connecting piece 406. The second fixed plate 402 is installed on the base surface of the mounting base 1. The inner wall of the second fixed plate 402 is rotatably connected with a second fixed base 407. One end of the second fixed base 407 is connected with the rotary connecting piece 406 through a universal transmission shaft. The other end of the second fixed base 407 is provided with a mounting plate 408. The mounting plate 408 is arranged in a ring shape and provided with a plurality of groups. One end of the mounting plate 408 is installed on the outer wall of the first fixed base 206. The outer wall of the mounting plate 408 is provided with a mounting hole 409. The outer wall of the mounting plate 408 is symmetrically provided with a magnetic fixing plate 410 on one side. The outer wall of the mounting plate 408 is provided with a double-shaft driving motor 411. The driving shaft of the double-shaft driving motor 411 is provided with a threaded rod 412. The threaded rod 412 is provided with two groups and arranged on the outer wall of the driving shaft of the double-shaft driving motor 411. The screw threads of the two groups of threaded rods 412 are opposite. The outer wall of the threaded rod 412 is threadedly connected with a limiting clamp plate 413. The limiting clamp plate 413 is slidably connected to the outer wall of the mounting plate 408. One end of the threaded rod 412 is rotatably connected to the outer wall of the second fixed base 407. The mounting bracket 403 is slidably connected to the inner wall of the sliding groove 3. The mounting bracket 403 is located on one side of the mounting base plate 401. The mounting bracket 403 has a concave structure and is located directly above the mounting plate 408. The outer wall of the mounting bracket 403 is slidably connected with a sliding plate 414. The outer wall of the sliding plate 414 is provided with a speed sensor 415. The speed sensor 415 is located directly above the mounting plate 408.

[0030] The controller 405 is connected with the electric screw rod elevator 202, the servo motor 404, the double-shaft driving motor 411 and the speed sensor 415 through wires and is electrically connected, so that the device is powered on, and then the controller 405 controls the electric screw rod elevator 202, the servo motor 404, the double-shaft driving motor 411 and the speed sensor 415 to operate. The foot pad 5 is provided in multiple groups and located at the bottom corners of the mounting base 1, so that the stability of the device is better. The top plate 203 is flush with the top of the mounting base 1. The first fixed plate 204 is located on one side of the second fixed plate 402. The mounting hole 409 is provided in multiple groups and located on the outer wall of the mounting plate 408. The limiting clamping plate 413 is provided in two groups and located on the opposite outer walls of the mounting plate 408.

[0031] When the linear guide pair sliding performance test device works, the other end of the second fixed base 407 is provided with a mounting plate 408. The mounting plate 408 is provided in multiple groups in a ring shape, and one end of the mounting plate 408 is installed on the outer wall of the first fixed base 206. The outer wall of the mounting plate 408 is provided with a mounting hole 409. One side of the mounting hole 409 and the outer wall of the mounting plate 408 are symmetrically provided with a magnetic attraction fixed plate 410. The linear guide pair to be tested is fixed on the base surface of the mounting plate 408 through the magnetic attraction fixed plate 410. Then the linear guide pair is powered on the base surface of the mounting plate 408 through the mounting hole 409. Since the mounting plate 408 is provided in multiple groups in a ring shape, the linear guide pair only needs to be fixed on the outer wall of the mounting plate 408 in turn. Then the switch of the controller 405 is turned on.

[0032] The double-shaft driving motor 411 is installed on the outer wall of the mounting plate 408. The driving shaft of the double-shaft driving motor 411 is provided with a threaded rod 412. The threaded rod 412 is provided in two groups and located on the outer wall of the driving shaft of the double-shaft driving motor 411. The screw threads of the two groups of threaded rods 412 are opposite. The outer wall of the threaded rod 412 is threadedly connected with a limiting clamping plate 413. The limiting clamping plate 413 is slidably connected to the outer wall of the mounting plate 408. Then the controller 405 controls the double-shaft driving motor 411 to operate. Since the threaded rod 412 is provided in two groups, when the double-shaft driving motor 411 operates, the double-shaft driving motor 411 drives the threaded rod 412 to rotate, which drives the limiting clamping plate 413 to move through the threaded connection. Then the limiting clamping plate 413 slides inward on the outer wall of the mounting plate 408, so that the limiting clamping plate 413 clamps and fixes the linear guide pair. Then only a pushing force is applied to the linear guide pair, so that the linear guide pair slides.

[0033] The outer wall of the mounting support 403 is slidably connected with a sliding plate 414, the outer wall of the sliding plate 414 is provided with a speed sensor 415, and the speed sensor 415 is located directly above the mounting plate 408 and is acted on by the mounting plate 408, so that when the linear guide pairs slide, the speed sensor 415 directly above the mounting plate 408 can generate data in real time when the linear guide pairs slide, and the speed sensor 415 generates an electrical signal which is conducted to the controller 405 through a wire, and when a group of linear guide pairs are tested, the controller 405 controls the servo motor 404 to operate, so that the servo motor 404 drives the rotating connecting piece 406 to rotate, when the rotating connecting piece 406 rotates, the rotating connecting piece 406 drives the second fixed base 407 to rotate through the universal transmission shaft, so that the second fixed base 407 drives the mounting plate 408 to rotate, and the next group of linear guide pairs are detected, which is more practical, so that the test equipment cannot usually measure multiple linear guides at the same time, which means that each guide must be fixed on the test device one by one for testing.

[0034] The outer wall of the support 201 is slidably connected with a top plate 203, the electric screw rod elevator 202 is installed on the base surface of the mounting base 1, and the lifting end of the electric screw rod elevator 202 is connected to the bottom end of the top plate 203, the base surface of the top plate 203 is provided with a first fixed plate 204, the inner wall of the first fixed plate 204 is provided with a first fixed base 206 through a spherical universal joint 205, when the inclination sliding performance detection is needed, only the switch of the controller 405 is opened, so that the controller 405 controls the electric screw rod elevator 202 to operate, one end of the electric screw rod elevator 202 applies a pushing force to the top plate 203, the top plate 203 drives the first fixed base 206 to rise through the first fixed plate 204, one end of the mounting plate 408 is driven by the first fixed base 206 to rise, and the mounting plate 408 is inclined, so that the linear guide pairs on the surface of the mounting plate 408 are tested for inclination sliding performance, thereby solving the problem that the linear sliding performance test may not fully reflect the performance of the linear guide pairs under different working conditions.

[0035] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A linear guide rail pair sliding performance testing device, comprising a mounting base (1), characterized in that: The base surface of the mounting base (1) is provided with a jacking assembly (2), and the base surface of the mounting base (1) is provided with a sliding groove (3), wherein a plurality of groups of sliding grooves (3) are sequentially arranged on the outer wall of the mounting base (1), and the test assembly (4) is arranged on the inner wall of the sliding groove (3); and a foot pad (5) is arranged at the bottom corner of the mounting base (1). The jacking assembly (2) comprises a support column (201) and an electric screw rod elevator (202), the support column (201) is arranged in multiple groups on the base surface of the mounting base (1), the outer wall of the support column (201) is slidably connected with a top plate (203), the electric screw rod elevator (202) is arranged on the base surface of the mounting base (1), and the lifting end of the electric screw rod elevator (202) is connected to the bottom end of the top plate (203); and a first fixing plate (204) is arranged on the base surface of the top plate (203), and a first fixing base (206) is arranged on the inner wall of the first fixing plate (204) through a spherical universal joint (205).

2. The sliding performance testing device of a linear guide rail pair according to claim 1, characterized in that: The test assembly (4) comprises a mounting bottom plate (401), a second fixing plate (402) and a mounting bracket (403), the mounting bottom plate (401) is slidably connected to the inner wall of the sliding groove (3), a servo motor (404) is arranged on the base surface of the mounting bottom plate (401), and a controller (405) is arranged on the outer wall of the servo motor (404).

3. The straight linear guide rail pair sliding performance testing device according to claim 2, characterized in that: The driving end of the servo motor (404) is provided with a rotating connecting piece (406), the second fixing plate (402) is arranged on the base surface of the mounting base (1), the second fixing base (407) is rotatably connected to the inner wall of the second fixing plate (402), and one end of the second fixing base (407) is connected with the rotating connecting piece (406) through a universal transmission shaft.

4. The straight linear guide rail pair sliding performance testing device according to claim 3, characterized in that: The other end of the second fixing base (407) is provided with a mounting plate (408), wherein a plurality of groups of mounting plates (408) are arranged in a ring shape, one end of the mounting plate (408) is arranged on the outer wall of the first fixing base (206), mounting holes (409) are arranged on the outer wall of the mounting plate (408), and magnetic attraction fixing plates (410) are symmetrically arranged on one side of the mounting holes (409) and located on the outer wall of the mounting plate (408).

5. The linear guide rail pair sliding performance testing device according to claim 4, characterized in that: A double-shaft driving motor (411) is arranged on the outer wall of the mounting plate (408), a threaded rod (412) is arranged on the driving shaft of the double-shaft driving motor (411), wherein two groups of threaded rods (412) are arranged on the outer wall of the driving shaft of the double-shaft driving motor (411), and the screw threads of the threaded rods (412) are opposite, and a limiting clamping plate (413) is threadedly connected to the outer wall of the threaded rod (412).

6. The straight linear guide rail pair sliding performance testing device according to claim 5, characterized in that: The limiting clamping plate (413) is slidably connected to the outer wall of the mounting plate (408), one end of the threaded rod (412) is rotatably connected to the outer wall of the second fixed base (407), the mounting bracket (403) is slidably connected to the inner wall of the sliding groove (3), and the mounting bracket (403) is located on one side of the mounting bottom plate (401).

7. The linear guide rail pair sliding performance testing device according to claim 6, characterized in that: The mounting bracket (403) is in a concave structure, the mounting bracket (403) is located directly above the mounting plate (408), the outer wall of the mounting bracket (403) is slidably connected with the sliding plate (414), the outer wall of the sliding plate (414) is provided with the speed sensor (415), and the speed sensor (415) is located directly above the mounting plate (408).

8. The linear guide rail pair sliding performance testing device according to claim 7, characterized in that: The controller (405) is electrically connected with the electric screw lift (202), the servo motor (404), the double-shaft driving motor (411) and the speed sensor (415) through wires, a plurality of groups of the foot pads (5) are arranged at the bottom corners of the mounting base (1), the top plate (203) is flush with the top of the mounting base (1), the first fixed plate (204) is located on one side of the second fixed plate (402), a plurality of groups of the mounting holes (409) are formed in the outer wall of the mounting plate (408), and two groups of the limiting clamping plates (413) are arranged on the opposite outer walls of the mounting plate (408).

Images