X-axis linear displacement offset detection device
By designing the X-axis linear displacement offset detection device, using sliding rods, movable frames and sensor systems, the problem of displacement offset of the robotic arm in harsh environments is solved, and the accurate calibration and position stability of the robotic arm are achieved. For outdoor use.
Patent Information
- Application Number
- CN202420550206.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-21
AI Technical Summary
The displacement deviation of the robotic arms caused by sunshine and wind and rain in harsh environments is difficult to accurately calibrate, and traditional optical equipment is easily damaged and is not suitable for outdoor use.
An X-axis linear displacement deviation detection device is designed, including a support assembly and a positioning assembly. Through a sliding rod, a movable frame, a travel rod, a moving piece, a moving piece and a sensor, a motor drives the gear system to accurately detect and calibrate the robot arm. X-axis linear displacement offset.
It realizes accurate measurement and calibration of the linear displacement of the robotic arm in harsh environments, ensuring the accuracy of the grasping position of the robotic arm, and is suitable for outdoor working environments.
Smart Images

Figure CN222144094U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of calibration devices, in particular to an X-axis linear displacement offset analysis device. Background Art
[0002] When the robot arm is gripping an object, programming is required to determine the movement trajectory of the robot arm so that it can accurately move to the specific spatial position of the gripped object.
[0003] Since the robotic arm works outdoors for a long time, it is easy for one side of the equipment to expand and deform due to heat due to sunlight, or for strong wind to cause displacement. The spatial position of the robotic arm, fixture combination and the clamped object will change, and the original spatial relationship will be destroyed. In this case, the robotic arm program needs to be corrected to ensure the accuracy of the robotic arm's grasping position.
[0004] However, the use of traditional optical equipment is difficult to implement in harsh working environments and cannot work in special climates such as wind and rain. Optical equipment is also easily damaged, causing inconvenience for subsequent maintenance work and is not suitable for outdoor calibration work. Utility Model Content
[0005] In order to solve the above problems existing in the prior art, the utility model provides an X-axis linear displacement offset detection device, which can use a mechanical device to locate the X-axis linear displacement, measure the offset of the X-axis linear displacement, and calibrate the X-axis linear displacement of the robot arm, and is suitable for harsh working environments.
[0006] The purpose of the utility model can be achieved through the following technical solutions:
[0007] An X-axis linear displacement offset analyzer comprises a support assembly and a positioning assembly, wherein the positioning assembly is fixedly arranged on the support assembly;
[0008] The support assembly includes a central axis bracket, a base, a contact ring and a cross ring, wherein the cross ring is detachably arranged inside the contact ring, the central axis bracket is detachably arranged above the cross ring, and the base is detachably arranged below the central axis bracket;
[0009] The positioning assembly includes a sliding rod, a movable frame, a travel rod, a sliding rod, two moving parts and two sensors. A support frame is detachably provided at each end of the base. A first through hole is provided on the two support frames. The sliding rod is located in the first through hole. A second through hole is provided in the middle of the movable frame. The sliding rod is located in the second through hole.
[0010] The movable frame is located between the two supporting frames, the movable frame and the travel rod are detachably connected and are respectively located on both sides of the central axis bracket, a sensor frame is provided on the side of the base away from the supporting frame, the two sensors are respectively located at the two ends of the sensor frame, the two moving parts are respectively sleeved on the two ends of the sliding rod, a third through hole is opened at one end of the movable frame away from the travel rod, and the sliding rod is sleeved on the third through hole.
[0011] Furthermore, two screw nuts are provided on the sliding rod, and each screw nut is provided with a screw nut seat on the outside, and the screw nut seat and the moving part are fixedly connected by a connecting plate. A first gear is provided at one end of the sliding rod, and a motor connecting seat is fixedly provided on the movable frame. The motor is provided on the motor connecting seat, and the motor is located on the side of the sliding rod away from the sliding rod. A second gear is provided on the motor, and the first gear is meshed with the second gear.
[0012] Furthermore, the left end of the sliding rod is left-handed, and the right end thereof is right-handed, and the two screw nuts are respectively located on the left and right rotations.
[0013] Furthermore, the pressing blocks on the two screw rod and nut seats are located above the movable frame.
[0014] Furthermore, a sensing rod is respectively disposed in the two sensors, and the travel rod is located between the two sensing rods.
[0015] Furthermore, the contact ring is located on a workbench.
[0016] The beneficial effects of the utility model are:
[0017] (1) By setting up a movable frame, a travel rod, two moving parts, two sensing rods and two sensors, the technical effect that can be achieved is that the two moving parts can be moved to both sides of the workbench, the movable frame drives the travel rod to move, so that the two sensing rods are displaced, and the two sensors detect the displacement of the two sensing rods to measure the offset of the X-axis linear displacement, locate the X-axis linear displacement, and calibrate the X-axis linear displacement of the robot arm.
[0018] (2) By setting the contact ring, the center axis bracket and the base, the technical effect that can be achieved is that the contact ring is placed on the workbench to support the overall structure, and the base is connected to the center axis bracket to facilitate calibration of the equipment.
[0019] (3) By setting a motor, a first gear, a second gear, a sliding rod and two screw nut seats, the technical effect that can be achieved is that the motor drives the second gear to rotate, the second gear drives the first gear to rotate, the sliding rod rotates, and the two screw nut seats move inward on the left and right rotations of the sliding rod respectively, which is convenient for accurately detecting the offset of the linear displacement in the X-axis direction, and the mechanical structure is suitable for harsh working environments. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.
[0021] Figure 1 It is a three-dimensional diagram of the utility model and the workbench;
[0022] Figure 2 It is a top view of the utility model;
[0023] Figure 3 It is a bottom view of the utility model;
[0024] Figure 4 It is a three-dimensional diagram of the utility model;
[0025] Description of main component symbols:
[0026] In the figure: 1. Clamping seat; 3. Center axis bracket; 10. Second gear; 11. First gear; 12. First screw nut; 16. Bearing; 20. Motor connecting seat; 21. First support frame; 22. Second support frame; 23. Sliding rod; 27. Motor; 32. Sensor frame; 36. Sensor; 45. Moving part; 46. Movable frame; 50. Moving sleeve; 51. Screw nut seat; 55. Second screw nut; 57. First connecting plate; 58. Second connecting plate; 59. Workbench. DETAILED DESCRIPTION
[0027] In order to further explain the technical means and effects adopted by the utility model to achieve the predetermined utility model purpose, the specific implementation methods, structures, features and effects of the utility model are clearly and completely described below in combination with the accompanying drawings and preferred embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] In the description of the present application, it should be understood that the orientation or position relationship indicated by "inside" or "outside" etc. is based on the orientation or position described in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, a specific orientation structure and operation, and therefore cannot be understood as a limitation on the present application.
[0029] Reference Figures 1 to 3 , is an X-axis linear displacement offset detection device disclosed by the utility model, comprising a supporting assembly and a positioning assembly, wherein the positioning assembly is fixedly arranged on the supporting assembly.
[0030] The supporting assembly includes a central axis bracket 3, a base, a contact ring and a cross ring. The cross ring is connected to the inside of the contact ring through an axis. The central axis bracket 3 is connected to the top of the cross ring through an axis. The base is fixedly arranged below the central axis bracket 3. Two bearings 16 are arranged between the clamping seat 1 and the central axis bracket 3. A sensor bracket 32 is fixedly arranged on the base.
[0031] The positioning assembly includes a sliding rod 23, a movable frame 46, a travel rod, the sliding rod 23, two moving parts 45 and two sensors 36. A first support frame 21 and a second support frame 22 are fixedly arranged at both ends of the base, respectively. A first through hole is opened on both support frames, and the sliding rod 23 is located in the first through hole. A second through hole is opened in the middle position of the movable frame 46, and the sliding rod 23 is located in the second through hole. The two moving parts 45 are respectively sleeved on both ends of the sliding rod 23 through a movable sleeve 50. A third through hole is opened at one end of the movable frame 46 away from the travel rod, and the sliding rod 23 is sleeved on the third through hole.
[0032] The movable frame 46 is located between the two support frames. The movable frame 46 and the travel rod are detachably connected and are respectively located on both sides of the central axis bracket 3. A sensor frame 32 is provided on the side of the base away from the support frame. Two sensors 36 are respectively located at both ends of the sensor frame 32. A sensing rod is respectively provided in the two sensors 36, and the travel rod is located between the two sensing rods.
[0033] The sliding rod 23 is provided with a first screw nut 12 and a second screw nut 55, and the outside of the first screw nut 12 and the second screw nut 55 is respectively sleeved with a screw nut seat 51, and the screw nut seat 51 and the moving member 45 are fixedly connected by a first connecting plate 57 and a second connecting plate 58. A first gear 11 is sleeved at one end of the sliding rod 23, and a motor connecting seat 20 is fixedly provided on the movable frame 46. A motor 27 is provided on the motor connecting seat 20. The motor 27 is located on the side of the sliding rod 23 away from the sliding rod 23. A second gear 10 is provided on the motor 27, and the motor 27 is connected to an external power supply. The first gear 11 is meshed with the second gear 10, and the first gear 11 has the same number of teeth as the second gear 10.
[0034] The left end of the sliding rod 23 is left-handed, and the right end thereof is right-handed. The first screw nut 12 and the second screw nut 55 are located on the left and right rotations respectively, and the pressing blocks on the two screw nut seats 51 are located above the movable frame 46 .
[0035] The contact ring is located on the workbench 59 and is used to support the polarization analyzer. Two movable baffles are detachably provided below the base. The lower half of the movable baffle is tilted inward to prevent the movable baffle from damaging the notch of the workbench 59.
[0036] The working principle and use process of the utility model are as follows: the robot arm places the deflection analyzer at a fixed position on the workbench 59, the two movable baffles move to the groove of the workbench 59 and stop, the motor 27 is started, the second gear 10 drives the first gear 11 to rotate, the sliding rod 23 rotates, the two screw nut seats 51 both move inward, the moving parts 45 on both sides move inward to the edge of the workbench 59 and stop, the movable frame 46 is driven by the two screw nut seats 51 to move left or right, the travel rod moves with the movable frame 46, the travel rod pushes the two sensing rods to move left or right, the two sensors 36 respectively detect the displacement of the two sensing rods, detect the offset of the linear displacement in the X-axis direction, and calibrate them.
[0037] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.
Claims
1. An X-axis linear displacement offset analyzer, characterized in that: It comprises a supporting assembly and a positioning assembly, wherein the positioning assembly is fixedly arranged on the supporting assembly; The support assembly includes a central axis bracket, a base, a contact ring and a cross ring, wherein the cross ring is detachably arranged inside the contact ring, the central axis bracket is detachably arranged above the cross ring, and the base is detachably arranged below the central axis bracket; The positioning assembly includes a sliding rod, a movable frame, a travel rod, a sliding rod, two moving parts and two sensors. A support frame is detachably provided at each end of the base. A first through hole is provided on the two support frames. The sliding rod is located in the first through hole. A second through hole is provided in the middle of the movable frame. The sliding rod is located in the second through hole. The movable frame is located between the two supporting frames, the movable frame and the travel rod are detachably connected and are respectively located on both sides of the central axis bracket, a sensor frame is provided on the side of the base away from the supporting frame, the two sensors are respectively located at the two ends of the sensor frame, the two moving parts are respectively sleeved on the two ends of the sliding rod, a third through hole is opened at one end of the movable frame away from the travel rod, and the sliding rod is sleeved on the third through hole.
2. The X-axis linear displacement offset analysis device according to claim 1, characterized in that: The sliding rod is provided with two screw nuts, each of which is provided with a screw nut seat on the outside, and the screw nut seat and the moving part are fixedly connected by a connecting plate. A first gear is provided at one end of the sliding rod, and a motor connecting seat is fixedly provided on the movable frame. The motor is provided on the motor connecting seat, and the motor is located on the side of the sliding rod away from the sliding rod. A second gear is provided on the motor, and the first gear is meshed with the second gear.
3. The X-axis linear displacement offset analysis device according to claim 2, characterized in that: The left end of the sliding rod is left-handed, and the right end is right-handed, and the two screw nuts are respectively located on the left and right rotations.
4. The X-axis linear displacement offset analysis device according to claim 2, characterized in that: The pressing blocks on the two screw rod nut seats are located above the movable frame.
5. The X-axis linear displacement offset analysis device according to claim 1, characterized in that: A sensing rod is respectively arranged in the two sensors, and the travel rod is located between the two sensing rods.
6. The X-axis linear displacement offset analysis device according to claim 1, characterized in that: The contact ring is located on a workbench.
