Mechanical arm system with multi-section telescopic function

Abstract

The utility model discloses a mechanical arm system with a multi-section type telescopic function, which comprises a base and a mechanical arm body positioned above the base, the mechanical arm body comprises a telescopic frame, and a first extension frame is connected in the telescopic frame in a sliding manner. According to the mechanical arm system with the multi-section type telescopic function, a first hydraulic telescopic rod extends to drive a pushing rod to move rightwards, the pushing rod can drive a third extending frame to move rightwards and extend out through a fixing plate, and the third extending frame can drive a second extending frame and a first extending frame to extend out; a first extension frame, a second extension frame and a third extension frame can completely extend out, the mechanical arm has a multi-section telescopic function, a second motor is controlled to drive a threaded rod to rotate, the threaded rod drives a gripper plate to grab objects towards the middle through a threaded sleeve, and the mechanical arm can grab the objects on multiple production lines at a time; and the carrying efficiency of the mechanical arm is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical arms, in particular to a mechanical arm system with a multi-stage telescopic function. Background Art

[0002] The robotic arm is a new type of device developed in the process of mechanized and automated production. In modern production processes, robotic arms are widely used in automatic production lines. They have the characteristics of being able to continuously repeat work and labor, not being tired, not being afraid of danger, and having the power to lift heavy objects greater than human hands.

[0003] Existing robotic arms have begun to be used for grabbing and moving objects, but usually the length of the robotic arms is fixed and they only have one gripper, so that the robotic arms can only grab and move objects in fixed positions and can only grab objects on one production line at a time, making the robotic arm's moving efficiency low. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a robotic arm system with a multi-stage telescopic function, which solves the problem that the robotic arm can only grab and carry objects at fixed positions and can only grab objects on one production line at a time.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a robotic arm system with multi-stage telescopic function, including a base and a robotic arm body located above the base, the robotic arm body including a telescopic frame, the telescopic frame is internally slidably connected to a first extension frame, the first extension frame is internally slidably connected to a second extension frame, the second extension frame is internally slidably connected to a third extension frame, one side of the inner cavity of the telescopic frame is fixedly connected to a first hydraulic telescopic rod, the telescopic end of the first hydraulic telescopic rod is fixedly connected to a push rod, one side of the second extension frame is fixedly connected to a fixed plate, one end of the push rod is fixedly connected to one side of the fixed plate, the top of the base is fixedly connected to a first motor, the output shaft of the first motor is fixedly connected to a rotating rod through a coupling, one end of the rotating rod is fixedly connected to a sliding frame, the sliding frame is internally slidably connected to a rectangular frame, and the top of the rectangular frame is fixedly connected to the bottom of the telescopic frame.

[0006] Preferably, the bottoms of the first extension frame, the second extension frame and the third extension frame are all fixedly connected with connecting plates, the bottoms of the connecting plates are fixedly connected with grabbing frames, and the front of the grabbing frames is fixedly connected with the second motor via a fixing frame.

[0007] Preferably, the output shaft of the second motor is fixedly connected to a threaded rod through a coupling, one end of the threaded rod passes through the grab frame and is rotatably connected to the rear part of the inner cavity of the grab frame through a bearing, and the front and rear parts of the outer surface of the threaded rod are threadedly connected to threaded sleeves.

[0008] Preferably, a slide groove is provided at the top of the inner cavity of the grab frame, and the interior of the slide groove is slidably connected to the outer surface of the threaded sleeve via a sliding block.

[0009] Preferably, a gripping plate is fixedly connected to the bottom of the outer surface of the threaded sleeve.

[0010] Preferably, a second hydraulic telescopic rod is fixedly connected to the bottom of the inner cavity of the sliding frame, and a telescopic end of the second hydraulic telescopic rod is fixedly connected to the bottom of the telescopic frame.

[0011] Beneficial Effects

[0012] The utility model provides a mechanical arm system with multi-stage telescopic function. Compared with the existing technology, it has the following beneficial effects:

[0013] The utility model drives the push rod to move rightward by extending the first hydraulic telescopic rod, and the push rod drives the third extension frame to move rightward and extend through the fixed plate, and the third extension frame drives the second extension frame and the first extension frame to extend, so that the first extension frame, the second extension frame and the third extension frame are fully extended, so that the robot arm has a multi-stage telescopic function, and controls the second motor to drive the threaded rod to rotate, and the threaded rod drives the gripper plate to grab the object towards the middle through the threaded sleeve, so that the robot arm can grab objects from multiple production lines at a time, thereby improving the handling efficiency of the robot arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the structure of the utility model;

[0016] Figure 3 It is a bottom view of the grabbing frame, the second motor, the threaded sleeve and the gripping plate structure of the utility model.

[0017] In the figure: 1. base; 2. robot arm body; 3. first hydraulic telescopic rod; 4. push rod; 5. first motor; 6. rotating rod; 7. sliding frame; 8. rectangular frame; 9. fixing plate; 10. connecting plate; 11. grabbing frame; 12. second motor; 13. threaded rod; 14. threaded sleeve; 15. slide groove; 16. gripper plate; 17. second hydraulic telescopic rod; 21. telescopic frame; 22. first extension frame; 23. second extension frame; 24. third extension frame. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] See also Figure 1-3 The utility model provides a technical solution: a mechanical arm system with a multi-stage telescopic function, comprising a base 1 and a mechanical arm body 2 located above the base 1, the mechanical arm body 2 comprising a telescopic frame 21, the interior of the telescopic frame 21 is slidably connected to a first extension frame 22, the interior of the first extension frame 22 is slidably connected to a second extension frame 23, the interior of the second extension frame 23 is slidably connected to a third extension frame 24, one side of the inner cavity of the telescopic frame 21 is fixedly connected to a first hydraulic telescopic rod 3, the first hydraulic telescopic rod 3 is electrically connected to an external power supply, and is controlled by a control switch, The telescopic end of the first hydraulic telescopic rod 3 is fixedly connected to a pushing rod 4, one side of the second extension frame 23 is fixedly connected to a fixing plate 9, one end of the pushing rod 4 is fixedly connected to one side of the fixing plate 9, and the top of the base 1 is fixedly connected to a first motor 5, the first motor 5 is a servo motor, electrically connected to an external power supply, and controlled by a control switch, the output shaft of the first motor 5 is fixedly connected to a rotating rod 6 through a coupling, one end of the rotating rod 6 is fixedly connected to a sliding frame 7, the interior of the sliding frame 7 is slidably connected to a rectangular frame 8, and the top of the rectangular frame 8 is fixedly connected to the bottom of the telescopic frame 21.

[0020] Furthermore, in order to drive the robot arm body 2 to move up and down, a second hydraulic telescopic rod 17 is fixedly connected to the bottom of the inner cavity of the sliding frame 7. The second hydraulic telescopic rod 17 is electrically connected to an external power supply and is controlled by a control switch. The telescopic end of the second hydraulic telescopic rod 17 is fixedly connected to the bottom of the telescopic frame 21.

[0021] Furthermore, in order to grab objects, the bottoms of the first extension frame 22, the second extension frame 23 and the third extension frame 24 are fixedly connected with a connecting plate 10, the bottom of the connecting plate 10 is fixedly connected with a grabbing frame 11, the front part of the grabbing frame 11 is fixedly connected with a second motor 12 through a fixed frame, the second motor 12 is a servo motor, electrically connected to an external power supply, and controlled by a control switch, the output shaft of the second motor 12 is fixedly connected with a threaded rod 13 through a coupling, one end of the threaded rod 13 passes through the grabbing frame 11 and is rotatably connected to the rear part of the inner cavity of the grabbing frame 11 through a bearing, the front and rear parts of the outer surface of the threaded rod 13 are threadedly connected with a threaded sleeve 14, a slide groove 15 is provided at the top of the inner cavity of the grabbing frame 11, the interior of the slide groove 15 is slidably connected to the outer surface of the threaded sleeve 14 through a slider, and a gripping plate 16 is fixedly connected to the bottom of the outer surface of the threaded sleeve 14.

[0022] When in use, by controlling the first hydraulic telescopic rod 3 to extend, the first hydraulic telescopic rod 3 drives the pushing rod 4 to move to the right, and the pushing rod 4 drives the third extension frame 24 to move to the right through the fixing plate 9, and the third extension frame 24 will be fully extended from the second extension frame 23, and the third extension frame 24 will drive the second extension frame 23 to extend to the right from the first extension frame 22, and the first extension frame 22 will extend from the telescopic frame 21, so that the first extension frame 22. The second extension frame 23 and the third extension frame 24 are extended, and then the rectangular frame 8 is controlled to shrink. The rectangular frame 8 will drive the telescopic frame 21 to move downward, and drive the first extension frame 22, the second extension frame 23 and the third extension frame 24 to move downward to the object. By controlling multiple second motors 12 to drive the threaded rod 13 to rotate, the threaded rod 13 will drive the two threaded sleeves 14 to move toward the middle, and the threaded sleeves 14 will drive the two gripping plates 16 to clamp the object toward the middle, and then control the rectangular frame 8 to extend and drive the telescopic frame 21 to move upward, and drive the rotating rod 6 to rotate through the first motor 5. The rotating rod 6 drives the telescopic frame 21 to rotate through the sliding frame 7 and the rectangular frame 8, and moves the object clamped by the two gripping plates 16 to other positions, and controls the second motor 12 to drive the threaded rod 13 to rotate in the opposite direction, so that the two gripping plates 16 move forward and backward to open, and place the object at the specified position.

Claims

1. A robotic arm system with a multi-stage telescopic function, comprising a base (1) and a robotic arm body (2) located above the base (1), characterized in that: The mechanical arm body (2) comprises a telescopic frame (21), the interior of the telescopic frame (21) is slidably connected to a first extension frame (22), the interior of the first extension frame (22) is slidably connected to a second extension frame (23), the interior of the second extension frame (23) is slidably connected to a third extension frame (24), one side of the inner cavity of the telescopic frame (21) is fixedly connected to a first hydraulic telescopic rod (3), the telescopic end of the first hydraulic telescopic rod (3) is fixedly connected to a push rod (4), one side of the second extension frame (23) is fixedly connected to a fixed plate (9), one end of the push rod (4) is fixedly connected to one side of the fixed plate (9), the top of the base (1) is fixedly connected to a first motor (5), the output shaft of the first motor (5) is fixedly connected to a rotating rod (6) through a coupling, one end of the rotating rod (6) is fixedly connected to a sliding frame (7), the interior of the sliding frame (7) is slidably connected to a rectangular frame (8), and the top of the rectangular frame (8) is fixedly connected to the bottom of the telescopic frame (21).

2. The robotic arm system with multi-stage telescopic function according to claim 1, characterized in that: The bottoms of the first extension frame (22), the second extension frame (23) and the third extension frame (24) are all fixedly connected to a connecting plate (10), the bottom of the connecting plate (10) is fixedly connected to a grabbing frame (11), and the front of the grabbing frame (11) is fixedly connected to a second motor (12) via a fixing frame.

3. The robotic arm system with multi-stage telescopic function according to claim 2, characterized in that: The output shaft of the second motor (12) is fixedly connected to a threaded rod (13) via a coupling, one end of the threaded rod (13) passes through the grab frame (11) and is rotatably connected to the rear part of the inner cavity of the grab frame (11) via a bearing, and the front and rear parts of the outer surface of the threaded rod (13) are both threadedly connected to a threaded sleeve (14).

4. The robotic arm system with multi-stage telescopic function according to claim 3, characterized in that: A slide groove (15) is provided at the top of the inner cavity of the grabbing frame (11), and the interior of the slide groove (15) is slidably connected to the outer surface of the threaded sleeve (14) via a sliding block.

5. The robotic arm system with multi-stage telescopic function according to claim 3, characterized in that: A grip plate (16) is fixedly connected to the bottom of the outer surface of the threaded sleeve (14).

6. The robotic arm system with multi-stage telescopic function according to claim 1, characterized in that: A second hydraulic telescopic rod (17) is fixedly connected to the bottom of the inner cavity of the sliding frame (7), and a telescopic end of the second hydraulic telescopic rod (17) is fixedly connected to the bottom of the telescopic frame (21).

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