Automatic mechanical arm device

By setting up disassembly and adjustment mechanisms on the robotic arm and using electric push rods and motor drives, the problems of loose grippers and cumbersome maintenance are solved, and the stability and flexible adjustment of the robotic arm are achieved.

CN222345598UActive Publication Date: 2025-01-14WUHAN VOCATIONAL COLLEGE OF SOFTWARE & ENG (WUHAN OPEN UNIV)
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Patent Information

Application Number
CN202420799808.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-17
Publication Date
2025-01-14
Estimated Expiration
2034-04-17

AI Technical Summary

Technical Problem

The gripper and connection points of the robotic arm are prone to loosening, requiring frequent inspections and tedious maintenance.

Method used

It adopts a disassembly and adjustment mechanism. The turntable is driven to rotate by an electric push rod, and the bolts are tightened. Combined with the extension and retraction of the rotating rod driven by the motor, the stability and length adjustment of the gripper are achieved.

Benefits of technology

It improves the stability of the robotic arm, simplifies the disassembly and assembly process of the gripper, and reduces tedious maintenance operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic mechanical arm device which comprises a mechanical arm body, a connecting arm is installed above the mechanical arm body, one end of the connecting arm is provided with a rack, one end of the rack is provided with a movable arm, one end of the movable arm is movably connected with an installation head, one end of the installation head is provided with a clamping hand, and the clamping hand is connected with the rack. One end of the clamping hand is fixedly connected with a bolt, the disassembling and assembling mechanism comprises a fixing disc arranged in the bolt, one end of the fixing disc is fixedly connected with a positioning disc, a guide groove is formed in the positioning disc, a clamping assembly used for limiting is arranged in the guide groove, and the clamping assembly is fixedly connected with the fixing disc. A rotary disc is movably connected to one side of the positioning disc, and an electric push rod is installed at one end of the rotary disc. According to the automatic mechanical arm disclosed by the utility model, the stability of the mechanical arm in daily use can be improved, and meanwhile, when the clamping hands are disassembled and assembled, tedious operation is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of automated mechanical arms, in particular to an automated mechanical arm device. Background Art

[0002] The robotic arm is the most widely used automated mechanical device in the field of robotics technology. It can be seen in industrial manufacturing, medical treatment, entertainment services, military, semiconductor manufacturing, and space exploration.

[0003] When the staff performs daily operation of the robotic arm, the connection between the gripper and the robotic arm is prone to loosening during long-term use, requiring the staff to conduct irregular inspections. In addition, when the staff repairs the robotic arm, they need to use external tools to disassemble a large number of parts of the robotic arm, which is cumbersome to operate. Utility Model Content

[0004] The utility model discloses an automated robotic arm device, which aims to solve the technical problem that during the daily operation of the robotic arm by the staff, the connection between the gripper and the robotic arm is prone to loosening during long-term use, requiring the staff to conduct irregular inspections, and during the process of repairing the robotic arm by the staff, a large number of parts of the robotic arm need to be disassembled with the help of external tools, which is a cumbersome operation.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] 14. The automatic mechanical arm device according to claim 13, wherein a connecting arm is installed above the mechanical arm body, a frame is installed at one end of the connecting arm, a movable arm is installed at one end of the frame, a mounting head is movably connected to one end of the movable arm, a clamping hand is installed at one end of the mounting head, and a bolt is fixedly connected to one end of the clamping hand, and also comprises a disassembly and assembly mechanism: the disassembly and assembly mechanism comprises a fixed plate arranged inside the bolt, a positioning plate is fixedly connected to one end of the fixed plate, a guide groove is provided inside the positioning plate, a clamping assembly for limiting position is provided inside the guide groove, a turntable is movably connected to one side of the positioning plate, and an electric push rod is installed at one end of the turntable; an adjustment mechanism: the adjustment mechanism is arranged at one end of the connecting arm, and the adjustment mechanism is used to adjust the use length of the mechanical arm.

[0007] By setting up a disassembly and assembly mechanism, the turntable can be driven to rotate by starting the electric push rod, so that the rotation of the turntable drives the clamping assembly to tighten the installed bolts, which can increase the stability of the robot arm in daily use and avoid cumbersome operations when disassembling and assembling the clamping hand.

[0008] In a preferred solution, the adjustment mechanism includes a motor arranged at one end of the connecting arm, the output shaft of the motor is fixedly connected to a rotating rod via a coupling, and a connecting component for sliding is arranged on the outside of the rotating rod.

[0009] By setting up the adjustment mechanism, the rotating rod can be driven to rotate by starting the motor, so that the movable arm can be extended and retracted, and the use length of the mechanical arm can be adjusted according to actual conditions.

[0010] In a preferred embodiment, the connecting assembly includes a guide block arranged on the outer surface of the rotating rod, a thread groove is provided inside the guide block, a thread is provided on the outer surface of the rotating rod, the outer surface of the guide block and the inner side of the frame are arranged to fit tightly, and the guide block and the movable arm are fixedly connected.

[0011] By setting the connecting assembly, when the rotating rod rotates, the guide block can be driven to slide inside the frame, thereby achieving the effect of adjusting the use length of the mechanical arm.

[0012] In a preferred solution, the clamping assembly includes a movable block arranged inside the guide groove, a sleeve block is installed at one end of the movable block, an arc groove is opened on one side of the outer ring of the turntable, one end of the sleeve block is movably connected to the inside of the arc groove, the number of the movable blocks is three groups, an installation groove is opened at the center of the fixed plate, and the installation groove and the bolt are threadedly connected.

[0013] By setting up a clamping assembly, when the turntable rotates, multiple groups of movable blocks can be driven to rotate. After the staff threadably connects the bolts and the mounting grooves, the multiple groups of movable blocks can clamp and tighten the outer surface of the bolts, thereby increasing the stability of the clamp.

[0014] An automated robotic arm device disclosed in the present application has the following beneficial effects.

[0015] First, by starting the electric push rod, the turntable can be driven to rotate, so that the rotation of the turntable drives the clamping assembly to tighten the installed bolts, which can increase the stability of the robot arm in daily use and avoid cumbersome operations when disassembling and assembling the gripper.

[0016] Secondly, by setting up the adjustment mechanism, the rotating rod can be driven to rotate by starting the motor, so that the movable arm can be extended and retracted, and the use length of the mechanical arm can be adjusted according to actual conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an axonometric diagram of an automated mechanical arm device proposed by the utility model.

[0018] Figure 2This is an axonometric diagram from another perspective of an automated robotic arm device proposed by the utility model.

[0019] Figure 3 This is a cross-sectional view of an automated robotic arm device proposed by the utility model.

[0020] Figure 4 This is a schematic diagram of a fixing plate of an automated robotic arm device proposed by the utility model.

[0021] Figure 5 The utility model is a schematic diagram of a turntable of an automated mechanical arm device.

[0022] In the attached figure: 1. Robot arm body; 2. Connecting arm; 3. Movable arm; 4. Mounting head; 5. Bolt; 6. Clamp; 7. Frame; 8. Motor; 9. Turntable; 10. Guide block; 11. Fixed plate; 12. Guide groove; 13. Positioning plate; 14. Turntable; 15. Movable block; 16. Sleeve block; 17. Electric push rod; 18. Arc groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] An automated robotic arm device disclosed by the utility model is mainly used in the daily practical operation of the robotic arm by staff. During long-term use, the connection between the gripper and the robotic arm is prone to loosening, requiring staff to conduct irregular inspections. In addition, during the process of repairing the robotic arm, the staff needs to use external tools to disassemble a large number of parts of the robotic arm, which is a scene with cumbersome operation.

[0026] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5, an automated robotic arm device, comprising a robotic arm body 1, a connecting arm 2 is installed above the robotic arm body 1, a frame 7 is installed at one end of the connecting arm 2, a movable arm 3 is installed at one end of the frame 7, one end of the movable arm 3 is movably connected to a mounting head 4, one end of the mounting head 4 is installed with a gripper 6, one end of the gripper 6 is fixedly connected with a bolt 5, and also includes a disassembly and assembly mechanism: the disassembly and assembly mechanism includes a fixed plate 11 arranged inside the bolt 5, one end of the fixed plate 11 is fixedly connected with a positioning plate 13, a guide groove 12 is opened inside the positioning plate 13, a clamping assembly for limiting is arranged inside the guide groove 12, one side of the positioning plate 13 is movably connected with a turntable 14, and one end of the turntable 14 is installed with an electric push rod 17; an adjustment mechanism: the adjustment mechanism is arranged at one end of the connecting arm 2, and the adjustment mechanism is used to adjust the use length of the robotic arm.

[0027] In this solution, when the staff is operating the robotic arm, a disassembly and assembly mechanism is set up and the electric push rod 17 is started to drive the turntable 14 to rotate, so that the rotation of the turntable 14 drives the clamping assembly to tighten the installed bolts 5, which can increase the stability of the robotic arm in daily use. At the same time, cumbersome operations are avoided when disassembling and assembling the clamping hand 6.

[0028] Among them, refer to Figure 2 and Figure 3 In a preferred embodiment, the adjustment mechanism includes a motor 8 arranged at one end of the connecting arm 2, the output shaft of the motor 8 is fixedly connected to a rotating rod 9 through a coupling, and a connecting component for sliding is arranged on the outside of the rotating rod 9.

[0029] In this solution, by setting up an adjustment mechanism, the rotating rod 9 can be driven to rotate by starting the motor 8, so that the movable arm 3 can be extended and retracted, and the use length of the mechanical arm can be adjusted according to actual conditions.

[0030] Further, see Figure 2 and Figure 3 In a preferred embodiment, the connecting component includes a guide block 10 arranged on the outer surface of the rotating rod 9, a thread groove is opened inside the guide block 10, and the outer surface of the rotating rod 9 is provided with a thread. The outer surface of the guide block 10 and the inner side of the frame 7 are arranged to fit tightly, and the guide block 10 and the movable arm 3 are fixedly connected. By setting the connecting component, when the rotating rod 9 rotates, the guide block 10 can be driven to slide inside the frame 7, thereby achieving the effect of adjusting the use length of the robotic arm.

[0031] Further, see Figure 4 and Figure 5In a preferred embodiment, the clamping assembly includes a movable block 15 arranged inside the guide groove 12, a sleeve block 16 is installed at one end of the movable block 15, an arc groove 18 is opened on one side of the outer ring of the turntable 14, and one end of the sleeve block 16 is movably connected inside the arc groove 18. The number of movable blocks 15 is three groups, and a mounting groove is opened at the center of the fixed disk 11. The mounting groove and the bolt 5 are threadedly connected. By setting the clamping assembly, when the turntable 14 rotates, multiple groups of movable blocks 15 can be driven to rotate. After the staff threadably connects the bolt 5 and the mounting groove, the multiple groups of movable blocks 15 can clamp and tighten the outer surface of the bolt 5, thereby increasing the stability of the clamp 6.

[0032] Working principle: When in use, the staff can drive the turntable 14 to rotate by starting the electric push rod 17, so that the sleeve block 16 can move inside the arc groove 18. At the same time, the sleeve block 16 is fixedly connected to one end of the movable block 15, so that the movable block 15 can slide inside the guide groove 12, so that multiple groups of movable blocks 15 can clamp and install the bolts 5 installed in the installation groove.

[0033] The above are only preferred specific implementations of the utility model, but the protection scope of the utility model is not limited to them. The replacement can be a replacement of part of the structure, device, method steps, or a complete technical solution. Equivalent replacement or changes based on the technical solution of the utility model and its utility model concept should be included in the protection scope of the utility model.

Claims

1. An automated robotic arm device, comprising a robotic arm body (1), a connecting arm (2) being mounted above the robotic arm body (1), a frame (7) being mounted on one end of the connecting arm (2), a movable arm (3) being mounted on one end of the frame (7), a mounting head (4) being movably connected to one end of the movable arm (3), a gripper (6) being mounted on one end of the mounting head (4), and a bolt (5) being fixedly connected to one end of the gripper (6), wherein: Also includes: Disassembly and assembly mechanism: the disassembly and assembly mechanism comprises a fixed plate (11) arranged inside the bolt (5), one end of the fixed plate (11) is fixedly connected to a positioning plate (13), a guide groove (12) is provided inside the positioning plate (13), a clamping assembly for limiting position is provided inside the guide groove (12), one side of the positioning plate (13) is movably connected to a rotating plate (14), and one end of the rotating plate (14) is installed with an electric push rod (17); Adjustment mechanism: The adjustment mechanism is arranged at one end of the connecting arm (2), and is used to adjust the usable length of the mechanical arm.

2. The automated robotic arm device according to claim 1, characterized in that: The adjustment mechanism comprises a motor (8) arranged at one end of the connecting arm (2); the output shaft of the motor (8) is fixedly connected to a rotating rod (9) via a coupling; and a connecting assembly for sliding is arranged outside the rotating rod (9).

3. An automated robotic arm device according to claim 2, characterized in that: The connecting assembly comprises a guide block (10) arranged on the outer surface of the rotating rod (9), a thread groove is provided inside the guide block (10), and a thread is provided on the outer surface of the rotating rod (9).

4. The automated robotic arm device according to claim 3, characterized in that: The outer surface of the guide block (10) and the inner side of the frame (7) are arranged to fit tightly together, and the guide block (10) and the movable arm (3) are fixedly connected.

5. The automated robotic arm device according to claim 1, characterized in that: The clamping assembly comprises a movable block (15) arranged inside the guide groove (12), and a sleeve block (16) is installed at one end of the movable block (15).

6. The automated robotic arm device according to claim 5, characterized in that: An arc groove (18) is provided on one side of the outer ring of the rotating disk (14), one end of the sleeve block (16) is movably connected to the inside of the arc groove (18), and the number of the movable blocks (15) is three groups.

7. The automated robotic arm device according to claim 1, characterized in that: A mounting groove is provided at the center of the fixing plate (11), and the mounting groove and the bolt (5) are threadedly connected.