Safety protection device for multi-shaft truss manipulator

Abstract

The utility model discloses a safety protection device for a multi-shaft truss manipulator, which relates to the technical field of safety protection and comprises a bearing base, a mounting shell is mounted at the upper end of the bearing base, moving blocks are movably mounted on the peripheral surfaces of the mounting shell, an adjusting plate is mounted at one end of each moving block, and fixing plates are mounted above and below one end of each adjusting plate. Adjusting rods are movably installed on the two fixing plates through the through holes, the opposite ends of the two adjusting rods are rotationally connected with clamping blocks, and a safety light curtain emitter and a safety light curtain receiver are installed between the two clamping blocks in a clamped mode. The safety light curtain is mounted on the surface of the mounting shell of the weighing base and clamped between the two clamping blocks on the adjusting plate, and the mounting position of the safety light curtain can be adjusted by moving the weighing base and adjusting the height of the adjusting plate. The position of the safety light curtain can be conveniently changed and adjusted according to the actual working radius of the manipulator, the adjusting efficiency is high, and repeated mounting and dismounting are not needed.

Description

Technical Field

[0001] This utility model relates to the field of safety protection technology, specifically a safety protection device for a multi-axis truss robot. Background Technology

[0002] A gantry robot is a fully automated industrial device based on a Cartesian X, Y, and Z coordinate system. It performs functions such as workpiece positioning and trajectory movement. Its control core is implemented through an industrial controller. After analyzing and processing various input signals and making logical judgments, the controller issues execution commands to various output components (relays, motor drivers, indicator lights, etc.) to complete the coordinated movement between the X, Y, and Z axes, thereby achieving a complete fully automated operation process.

[0003] Currently, since gantry robots operate within a certain spatial range, safety light curtains are typically installed at the edge of the working radius to prevent accidents to personnel during their movement. However, different tasks may require different working radii. By adjusting the working radius, the robot can adapt to diverse tasks and production needs. Each time the working radius is adjusted, the safety light curtain needs to be disassembled, installed, and repositioned. The installation and adjustment of the safety light curtain takes a lot of time, thus affecting work efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a safety protection device for a multi-axis gantry robot to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a safety protection device for a multi-axis truss manipulator, comprising a load-bearing base, an installation shell mounted on the upper end of the load-bearing base, movable blocks movably mounted on all four sides of the installation shell, an adjusting plate mounted on one end of each movable block, and fixed plates mounted on the upper and lower sides of one end of each adjusting plate. Adjusting rods are movably mounted on the two fixed plates through through holes, and clamping blocks are rotatably connected to the opposite ends of the two adjusting rods. A safety light curtain transmitter and a safety light curtain receiver are respectively clamped and mounted between the two clamping blocks.

[0006] Preferably, the mounting shell is hollow inside, a motor is mounted on the upper end of the mounting shell, a drive screw is mounted on the output end of the motor inside the mounting shell, a threaded block is threadedly connected to the surface of the drive screw, four movable blocks are respectively mounted on the surrounding surface of the threaded block, and the two ends of the threaded block are in contact with the inner wall of the mounting shell.

[0007] Preferably, the mounting shell has movable grooves on all four sides, and the movable block is located inside the movable grooves.

[0008] Preferably, the upper surface of the adjusting rod is threaded, and limit nuts are installed on the surface of the adjusting rod and outside the fixed plate. Elastic springs are installed on the surface of the adjusting rod between the clamping block and the fixed plate.

[0009] Preferably, the clamping blocks are provided with clamping grooves at opposite ends, and the safety light curtain transmitter and the safety light curtain receiver are located on two adjacent surfaces of the mounting housing.

[0010] Preferably, one end of the clamping block is equipped with a laser irradiation lamp, and the surface of the mounting shell on one side of the moving slot is marked.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This multi-axis truss robot safety protection device installs a safety light curtain on the mounting shell surface of the weighing base and clamps it between two clamping blocks on the adjustment plate. The installation position of the safety light curtain can be adjusted by moving the weighing base and adjusting the height of the adjustment plate. This allows for easy adjustment of the safety light curtain's position according to the robot's actual working radius, and the adjustment efficiency is high, eliminating the need for multiple installations and disassemblies, thus effectively improving work efficiency.

[0013] 2. The safety protection device of this multi-axis truss robot arm has a scale on the surface of the mounting shell, which can assist in the coarse adjustment of the height of the safety light curtain. At the same time, a laser irradiation lamp is installed on the clamping block. The laser irradiation lamp emits light, which assists in the fine adjustment of the height of the safety light curtain, so that the safety light curtains on each device are at the same height. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a front sectional view of the present invention;

[0016] Figure 3 This utility model Figure 3 Enlarged view of point A in the middle.

[0017] In the diagram: 1. Load-bearing base; 2. Mounting shell; 3. Moving block; 4. Adjusting plate; 5. Fixing plate; 6. Adjusting rod; 7. Clamping block; 8. Safety light curtain transmitter; 9. Safety light curtain receiver; 10. Motor; 11. Drive screw; 12. Threaded block; 13. Moving groove; 14. Limit nut; 15. Spring; 16. Clamping groove; 17. Laser irradiation lamp; 18. Marker. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] like Figures 1 to 3 As shown, the multi-axis truss manipulator safety protection device in this embodiment includes a load-bearing base 1. The load-bearing base 1 has a certain load-bearing capacity to ensure that the entire device will not tip over. A mounting shell 2 is installed on the upper end of the load-bearing base 1. The mounting shell 2 is a cuboid. Movable blocks 3 are movably installed on all four sides of the mounting shell 2. An adjusting plate 4 is installed on one end of each moving block 3. The moving block 3 can drive the adjusting plate 4 to move up and down, so as to adjust the usage height of the safety light curtain according to the actual usage height. Fixed plates 5 are installed on the upper and lower sides of one end of the adjusting plate 4. Adjusting rods 6 are movably installed on the two fixed plates 5 through through holes. Clamping blocks 7 are rotatably connected to the opposite ends of the two adjusting rods 6. A safety light curtain transmitter 8 and a safety light curtain receiver 9 are respectively clamped between the clamping blocks 7. The two clamping blocks 9 can clamp the safety light curtain generator 8 and the safety light curtain receiver 9. The safety light curtain generator 8 emits laser light, and the safety light curtain receiver 9 receives the laser light. The control circuit of the multi-axis truss manipulator is connected to the safety light curtain. When the safety light curtain receiver 9 cannot receive the complete laser light emitted by the safety light curtain generator 8, the safety light curtain controls the multi-axis truss manipulator to stop moving, so as to avoid accidental injury to personnel when the manipulator moves. The specific principle of the safety light curtain generator 8 and the safety light curtain receiver 9 is known existing technology, so it will not be described in detail.

[0021] Specifically, the interior of the mounting shell 2 is hollow. A motor 10 is installed at the upper end of the mounting shell 2. A drive screw 11 is installed at the output end of the motor 10 and inside the mounting shell 2. A threaded block 12 is threadedly connected to the surface of the drive screw 11. Four moving blocks 3 are respectively installed on the four sides of the threaded block 12. The two ends of the threaded block 12 are in contact with the inner wall of the mounting shell 2. By controlling the rotation of the motor 10, the motor 10 drives the threaded block 12 to move through the drive screw 11. The threaded block 12 drives the adjusting plate 4 to move up and down through the moving blocks 3, thereby realizing the adjustment of the height of the adjusting plate 4. In actual use, the motor 10 is connected to a forward and reverse circuit, which can rotate in both directions.

[0022] Furthermore, the mounting shell 2 is provided with movable grooves 13 on all four sides, and the movable block 3 is located inside the movable grooves 13. The movable grooves 13 provide space for the movement of the movable block 3.

[0023] Furthermore, the upper surface of the adjusting rod 6 is threaded, and limit nuts 14 are installed on the surface of the adjusting rod 6 and outside the fixed plate 5. Spring springs 15 are installed on the surface of the adjusting rod 6 between the clamping block 7 and the fixed plate 5. The spring springs 15 generate elastic force to bring the two clamping blocks 7 closer to each other. The two clamping blocks 7 initially clamp the safety light curtain generator 8 and the safety light curtain receiver 9. The limit nuts 14 are set to limit the position of the clamping blocks 7 and fix the position of the clamping blocks 7.

[0024] Furthermore, clamping slots 16 are provided on opposite ends of clamping blocks 7. Safety light curtain transmitters 8 and safety light curtain receivers 9 are located on two adjacent surfaces of the mounting housing 2. In actual use, the total number of devices is four, and the four devices are distributed in a rectangular shape. The safety light curtain receivers 9 on adjacent devices receive the laser emitted by the safety light curtain transmitters 8 on the adjacent devices.

[0025] Furthermore, a laser irradiation lamp 17 is installed at one end of a clamping block 7. When adjusting the height of the safety light curtain transmitter 8 and the safety light curtain receiver 9 between the devices, the height of the safety light curtain can be finely adjusted by the laser irradiation lamp 17, which effectively improves the adjustment efficiency of the safety light curtain. The surface of the mounting shell 2 on one side of the moving slot 13 is marked with markings 18. The markings 18 facilitate the coarse adjustment of the height of the safety light curtain, which effectively improves the adjustment efficiency.

[0026] The usage method of this embodiment is as follows: In use, four devices are arranged in a rectangular pattern. The safety light curtain transmitter 8 and the safety light curtain receiver 9 are placed between two clamping blocks 7 and held in place by the elastic force generated by the spring spring 15. When the height of the safety light curtain transmitter 8 and the safety light curtain receiver 9 needs to be adjusted, the control motor 10 drives the drive screw 11 to rotate. The drive screw 11 moves the moving block 3 and the adjusting plate 4 through the threaded block 12. The position of the safety light curtain is coarsely adjusted by checking the indicator 18. Then, the laser irradiation lamp 17 is turned on, and the clamping blocks are adjusted. Hold block 7 to bring the two clamping blocks 7 on the two devices to the same height, then use limit nut 14 to limit one adjusting rod 6, then move the other clamping block 7 so that the two clamping blocks 7 clamp and position the safety light curtain transmitter 8 and the safety light curtain receiver 9, and use limit nut 14 to limit the other adjusting rod 6 to complete the adjustment of the safety light curtain. When in use, the safety light curtain transmitter 8 emits laser, and the safety light curtain receiver 9 receives the laser. When the laser is blocked and the reception is incomplete, the safety light curtain control robot stops moving to avoid injury to personnel.

[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A safety protection device for a multi-axis truss manipulator, comprising a load-bearing base (1), characterized in that: The upper end of the load-bearing base (1) is equipped with a mounting shell (2). Movable blocks (3) are movably mounted on all four sides of the mounting shell (2). An adjusting plate (4) is mounted on one end of each moving block (3). A fixing plate (5) is mounted on the upper and lower sides of one end of each adjusting plate (4). An adjusting rod (6) is movably mounted on each of the two fixing plates (5) through through holes. A clamping block (7) is rotatably connected to the opposite ends of the two adjusting rods (6). A safety light curtain transmitter (8) and a safety light curtain receiver (9) are respectively clamped and installed between the two clamping blocks (7).

2. The safety protection device for the multi-axis gantry robot according to claim 1, characterized in that: The mounting shell (2) is hollow inside. A motor (10) is installed on the upper end of the mounting shell (2). A drive screw (11) is installed at the output end of the motor (10) and inside the mounting shell (2). A threaded block (12) is threadedly connected to the surface of the drive screw (11). Four moving blocks (3) are respectively installed on the surrounding surface of the threaded block (12). The two ends of the threaded block (12) are in contact with the inner wall of the mounting shell (2).

3. The safety protection device for the multi-axis gantry robot according to claim 2, characterized in that: The mounting shell (2) has movable grooves (13) arranged on all four sides, and the movable block (3) is located inside the movable grooves (13).

4. The safety protection device for the multi-axis gantry robot according to claim 1, characterized in that: The upper surface of the adjusting rod (6) is threaded, and a limit nut (14) is installed on the surface of the adjusting rod (6) and outside the fixing plate (5). A spring spring (15) is installed on the surface of the adjusting rod (6) between the clamping block (7) and the fixing plate (5).

5. The safety protection device for the multi-axis gantry robot according to claim 1, characterized in that: The clamping blocks (7) are provided with clamping grooves (16) on opposite ends, and the safety light curtain transmitter (8) and the safety light curtain receiver (9) are located on two adjacent surfaces of the mounting shell (2).

6. The safety protection device for the multi-axis gantry robot according to claim 3, characterized in that: A laser irradiation lamp (17) is installed at one end of one of the clamping blocks (7), and markings (18) are provided on the surface of the mounting shell (2) on one side of the moving slot (13).

Images