Linear module performance testing device
By designing a linear module performance test device, including workbench base, mount, slip base, drive motor and torque measurement system, the problems of single equipment inspection projects and complex testing methods are solved, and the linearity is achieved Effective evaluation of various test items of modules and a wide range of applications.
Patent Information
- Application Number
- CN202421240526.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The existing linear module detection equipment has a single test project and complex test methods, so it is impossible to effectively conduct multiple tests.
A linear module performance testing device including a workbench base, a mount, a slip base, a drive motor, a torque measurement system, a screw mechanism, a load motor and a pull pressure detection element were designed, and the components were empty Load-running test, friction torque test, transmission efficiency test, maximum speed test, extreme load test, motion cycle test and accuracy test.
It has achieved a variety of test items for linear modules, with a wide range of applications. It can conduct detailed performance evaluation by controlling the operation of load motors and drive motors, combining torque measurement systems, displacement sensors and tension pressure sensors to detect values.
Smart Images
Figure CN222318435U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of linear module detection equipment, in particular to a linear module performance testing device. Background Art
[0002] Linear modules are now widely used in automation equipment, with the characteristics of small volume, light weight, high precision, high rigidity, and wide application range. The precision of linear modules is the most important part of the linear module manufacturing process, and special equipment is required to test the linear modules. However, the existing testing equipment has problems such as single linear module detection items and complex testing methods. Utility Model Content
[0003] In view of the above problems, the utility model provides a linear module performance testing device.
[0004] In order to achieve the above-mentioned invention object, the technical solution adopted by the utility model is as follows:
[0005] A linear module performance testing device is provided, comprising a workbench base, a mounting seat for mounting a first screw of a measured object is arranged on the workbench base, a sliding seat is slidably connected to the mounting seat, the sliding seat is used to mount the first screw seat of the measured object, a driving motor for connecting the first screw of the measured object is arranged on the workbench base, a torque measurement system is arranged between the driving motor and the measured object, an auxiliary measuring screw mechanism parallel to the measured object is arranged on the workbench base, the auxiliary measuring screw mechanism on the workbench base is connected with the sliding seat, a load motor is arranged on the workbench base, the load motor applies a load force to the sliding seat through the auxiliary measuring screw mechanism, and a tension and pressure detection element for measuring the tension and pressure applied by the auxiliary measuring screw mechanism to the sliding seat is arranged on the workbench base.
[0006] Furthermore, the measuring screw mechanism comprises a second screw and a second screw seat, the load motor is transmission-connected to the second screw, and the second screw seat is connected to the sliding seat;
[0007] Two groups of the auxiliary measuring screw rod mechanisms are arranged, and the two groups of the auxiliary measuring screw rod mechanisms are symmetrically arranged on both sides of the measured object and the mounting seat, and the two second screw rod seats are symmetrically connected to both sides of the sliding seat.
[0008] Furthermore, the tension and pressure detection element includes a tension and pressure sensor, the second screw seat is connected to the sliding seat through the tension and pressure sensor, and the tension and pressure sensor is arranged parallel to the moving direction of the sliding seat.
[0009] Furthermore, the mounting seat includes a fixed bearing seat and a movable bearing seat arranged on the workbench base. The two ends of the first screw rod of the measured part are rotatably connected to the fixed bearing seat and the movable bearing seat respectively. The movable bearing seat is axially slidable on the workbench base along the first screw rod. The movable bearing seat is provided with a locking mechanism for limiting the slippage of the movable bearing seat.
[0010] Furthermore, the locking mechanism includes two locking bolts arranged on the movable bearing seat, the two locking bolts are symmetrically arranged on both sides of the first screw rod of the measured part, the locking bolts pass through the movable bearing seat and abut against the workbench base, and the locking bolts are threadedly connected to the movable bearing seat.
[0011] Furthermore, a displacement sensor for detecting the moving distance of the sliding seat is arranged on the workbench base.
[0012] The beneficial effects of the utility model are as follows: the tested piece is mounted on the test device, and by controlling the load force applied by the load motor, and controlling the slow increase in speed and steady speed of the drive motor, and based on the detection values of the torque measurement system, displacement sensor, and tension and pressure sensor, the tested piece can be subjected to a variety of test items such as no-load running-in test, friction torque test, transmission efficiency test, maximum speed test, limit load test, motion cycle test, precision test, etc. on the device of this application, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the overall structure of the linear module performance testing device according to an embodiment of the present application.
[0014] Figure 2 It is a side structural schematic diagram of the linear module performance testing device according to an embodiment of the present application.
[0015] Figure 3 It is a schematic diagram of the top view of the linear module performance testing device according to an embodiment of the present application.
[0016] Among them, 1. workbench base; 11. fixed bearing seat; 12. movable bearing seat; 21. first screw; 22. first screw seat; 3. sliding seat; 4. driving motor; 41. torque measurement system; 5. load motor; 51. second screw; 52. second screw seat; 6. locking mechanism; 7. tension and pressure sensor. DETAILED DESCRIPTION
[0017] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0018] The present application embodiment discloses a linear module performance testing device, referring to Figure 1 , Figure 2 and Figure 3, including a workbench base 1, a mounting seat is provided on the workbench base 1, the mounting seat is used to install the first screw rod 21 of the measured object, linear slide rails are installed on both sides of the mounting seat on the workbench, a sliding seat 3 is slidably installed on the linear slide rail, a mounting hole is opened on the sliding seat 3, for the first screw rod 21 of the measured object to pass through, the first screw rod seat 22 of the measured object is fixed on the sliding seat 3 by bolts and flange connection, the first screw rod 21 passes through the first screw rod seat 22 and is connected to the first screw rod seat 22 in a transmission manner. A driving motor 4 is provided on the workbench base 1, the output shaft of the driving motor 4 is connected to the first screw rod 21 through a coupling and other connecting parts, and a torque measurement system 41 is provided between the driving motor 4 and the measured object, which is used to detect the torque-related data of the first screw rod 21 of the measured object during the test process. The workbench base 1 is provided with an auxiliary measuring screw mechanism parallel to the measured object, and the auxiliary measuring screw mechanism includes a second screw 51 arranged parallel to the first screw 21, and a second screw seat 52 installed on the workbench base 1 in a translational and sliding direction with the sliding seat 3, and the second screw 51 passes through the second screw seat 52 and is in transmission connection with the second screw seat 52. The auxiliary measuring screw mechanism on the workbench base 1 is connected to the sliding seat 3 of the measured object, and specifically, the second screw seat 52 is connected to the sliding seat 3.
[0019] A load motor 5 is provided on the workbench base 1. The load motor 5 applies a load force to the first screw seat 22 of the measured object through the attached measuring screw mechanism. Specifically, the load motor 5 is connected to the second screw 51 in a transmission connection. A tension and pressure detection element is also provided on the workbench base 1, which is used to measure the tension and pressure value applied by the attached measuring screw mechanism to the first screw seat 22. A displacement sensor is provided on the workbench base 1, which is used to accurately detect the moving distance value of the sliding seat 3. In the embodiment of the present application, the torque measurement system 41 includes an angle grating and a torque speed sensor, which can accurately detect the rotation angle of the first screw 21 and the numerical data of the torque and speed during the rotation process.
[0020] In the embodiment of the present application, two groups of auxiliary measuring screw mechanisms are provided, and the two groups of auxiliary measuring screw mechanisms are symmetrically arranged on both sides of the measured object and the mounting seat, and the second screw seats 52 in the two auxiliary measuring screw mechanisms are symmetrically connected to both sides of the sliding seat 3. Similarly, two load motors 5 are provided, which are respectively used to drive the second screws 51 in the two auxiliary measuring screw mechanisms to rotate. By providing two groups of auxiliary measuring screw mechanisms, the load can be evenly applied to the sliding seat 3, so that the force is evenly applied during the movement of the sliding seat 3.
[0021] In the embodiment of the present application, the pulling pressure detection element can specifically adopt a pulling pressure sensor 7. The second screw seat 52 and the sliding seat 3 are arranged at intervals along the sliding direction of the two, and the pulling pressure sensor 7 is located between the two. The pulling pressure sensor 7 is set parallel to the moving direction of the sliding seat 3, and both ends of the pulling pressure sensor 7 are connected and fixed to the second screw seat 52 and the sliding seat 3 by bolts.
[0022] Furthermore, the mounting seat includes a fixed bearing seat 11 and a movable bearing seat 12, and the two ends of the first screw rod 21 of the measured part are rotatably connected to the fixed bearing seat 11 and the movable bearing seat 12 respectively, the fixed bearing seat 11 is fixed on the workbench base 1, and the movable bearing seat 12 is axially slidably installed on the linear slide rail on the top of the workbench base 1 along the first screw rod 21, and the movable bearing seat 12 is also provided with a locking mechanism 6 for limiting the sliding of the movable bearing seat 12. In the embodiment of the present application, the locking mechanism 6 includes two locking bolts arranged on the movable bearing seat 12, and the two locking bolts are symmetrically arranged on both sides of the first screw rod 21 of the measured part, and the locking bolts pass through the movable bearing seat 12 and abut against the workbench base 1, and the locking bolts are threadedly connected to the movable bearing seat 12. By moving the position of the movable bearing seat 12, the spacing between the fixed bearing seat 11 and the rear movable bearing seat can be adjusted, and the first screw rods 21 of different lengths in the measured part can be installed, thereby improving the scope of application of the test device.
[0023] The device of the present application can perform a variety of tests on the tested part, and both the drive motor 4 and the load motor 5 can use servo motors. By controlling the load force applied by the load motor 5, and controlling the slow increase in speed and steady speed of the drive motor 4, and based on the torque measurement system 41, the displacement sensor, and the tension and pressure sensor 7 to detect the value, the device of the present application can be used to perform a variety of test items such as no-load running-in test, friction torque test, transmission efficiency test, maximum speed test, limit load test, motion cycle test, precision test, etc. on the tested part, and the application range is wide. It should be understood by those skilled in the art that although the preferred embodiments of the utility model have been described, once those skilled in the art know the basic creative concept, they can make additional changes and modifications to these embodiments. Therefore, the attached claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the utility model. Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and their equivalent technologies, the utility model is also intended to include these modifications and variations.
Claims
1. A linear module performance testing device, characterized in that: The invention comprises a workbench base (1), wherein a mounting seat for mounting a first screw (21) of a measured object is provided on the workbench base (1), a sliding seat (3) is slidably connected to the mounting seat, and the sliding seat (3) is used to mount a first screw seat (22) of the measured object, a driving motor (4) for connecting the first screw (21) of the measured object is provided on the workbench base (1), a torque measurement system (41) is provided between the driving motor (4) and the measured object, a measuring screw mechanism parallel to the measured object is provided on the workbench base (1), the measuring screw mechanism on the workbench base (1) is connected to the sliding seat (3), a load motor (5) is provided on the workbench base (1), and the load motor (5) applies a load force to the sliding seat (3) through the measuring screw mechanism, and a tension and pressure detection element for measuring the tension and pressure applied by the measuring screw mechanism to the sliding seat (3) is provided on the workbench base (1).
2. The linear module performance testing device according to claim 1, characterized in that: The measuring screw mechanism comprises a second screw (51) and a second screw seat (52); the load motor (5) is transmission-connected to the second screw (51); and the second screw seat (52) is connected to the sliding seat (3); The auxiliary measuring screw mechanism is provided with two groups, and the two groups of the auxiliary measuring screw mechanism are symmetrically arranged on both sides of the measured object and the mounting seat, and the two second screw seats (52) are symmetrically connected to the two sides of the sliding seat (3).
3. The linear module performance testing device according to claim 2, characterized in that: The pulling pressure detection element comprises a pulling pressure sensor (7), the second screw seat (52) is connected to the sliding seat (3) via the pulling pressure sensor (7), and the pulling pressure sensor (7) is arranged parallel to the moving direction of the sliding seat (3).
4. The linear module performance testing device according to claim 1, characterized in that: The mounting seat comprises a fixed bearing seat (11) and a movable bearing seat (12) arranged on a workbench base (1); two ends of a first screw rod (21) of the measured piece are rotatably connected to the fixed bearing seat (11) and the movable bearing seat (12) respectively; the movable bearing seat (12) is axially slidably arranged on the workbench base (1) along the first screw rod (21); and a locking mechanism (6) for limiting the sliding of the movable bearing seat (12) is arranged on the movable bearing seat (12).
5. The linear module performance testing device according to claim 4, characterized in that: The locking mechanism (6) comprises two locking bolts arranged on a movable bearing seat (12), the two locking bolts being symmetrically arranged on both sides of a first screw rod (21) of the measured object, the locking bolts passing through the movable bearing seat (12) and abutting against the workbench base (1), and the locking bolts being threadedly connected to the movable bearing seat (12).
6. The linear module performance testing device according to claim 4, characterized in that: The workbench base (1) is provided with a displacement sensor for detecting the moving distance of the sliding seat (3).