Extended grabbing mechanical arm

Abstract

The utility model discloses an extension grabbing mechanical arm which comprises an extension grabbing frame, the extension grabbing frame is installed at the end of a mechanical arm body, a driving motor is fixed to the surface of the outer side wall of the extension grabbing frame in a threaded connection mode, and meanwhile an output shaft of the driving motor is fixed to a first lead screw. And the first lead screw is movably mounted in the extension grabbing frame, and the first lead screw and the second lead screw are movably mounted on the two sides of the interior of the extension grabbing frame correspondingly. According to the extending grabbing mechanical arm, three sets of vacuum suction cups are installed at the bottom of a first connecting plate and the bottom of a second connecting plate correspondingly, an external switch of a driving motor is started, so that a first lead screw and a second lead screw move synchronously, and under the action of a first driving base and a first connecting base and the action of a second driving base and a second connecting base, the vacuum suction cups are driven to move synchronously. The distance between the first connecting plate and the second connecting plate is adjusted, and vacuum grabbing work of different stones is completed by adjusting the distance between the two rows of vacuum suction cups.

Description

Technical Field

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

[0002] The domestic consumption of stone is mainly divided into three parts, namely, the internal and external decorative panels of buildings, which is the largest part of stone use; followed by construction stones, including garden and engineering stones; and then stone carvings, stone artworks, tombstone stone products, etc.; and the largest amount of stone used is for architectural decoration;

[0003] When grabbing stones, the usual method is to install a vacuum suction cup on the end of the manipulator to grab and move. The grabbing distance between the vacuum suction cups cannot be adjusted, and the grabbing range cannot be adjusted according to the size of the stone. Utility Model Content

[0004] The purpose of the utility model is to provide an extended grabbing robot arm to solve the defects mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, an extended grabbing robot arm is provided, comprising an extended grabbing frame, the extended grabbing frame is mounted at the end of the robot arm body, and the outer wall surface of the extended grabbing frame is screwed to fix a driving motor, while the output shaft of the driving motor is fixed to a first lead screw, and the first lead screw is movably mounted inside the extended grabbing frame, the first lead screw and the second lead screw are movably mounted on both sides of the interior of the extended grabbing frame, and a first drive seat and a second drive seat are respectively mounted on the outer sides of the first lead screw and the second lead screw;

[0006] The first driving seat is welded and fixed to the bottom of the first connecting seat, and the first connecting seat is screwed and fixed to the bottom of the first connecting plate, while the bottom of the first connecting plate is screwed and fixed to the vacuum suction cup.

[0007] Preferably, a first connecting plate and a second connecting plate are respectively installed on both sides of the bottom of the extended grabbing frame, and the first connecting plate and the second connecting plate are symmetrical structures with respect to the central axis of the extended grabbing frame.

[0008] Preferably, three groups of vacuum suction cups are evenly installed on the bottom of the first connecting plate and the second connecting plate, and vacuum tubes are installed on the vacuum suction cups, and the distance between two adjacent groups of vacuum suction cups is consistent.

[0009] Preferably, a first limiting opening and a second limiting opening are respectively provided on the bottom plate of the extended grabbing frame, and guide rods are installed inside the first limiting opening and the second limiting opening.

[0010] Preferably, a first connecting seat and a second connecting seat are installed inside the first limiting opening and the second limiting opening respectively, and a first connecting plate and a second connecting plate are installed at the bottom of the first connecting seat and the second connecting seat respectively.

[0011] Preferably, the first drive seat and the second drive seat are respectively installed on the top of the first connecting seat and the second connecting seat, and the first drive seat and the second drive seat are respectively screwed to the inside of the first drive seat and the second drive seat, and the first lead screw and the second lead screw are connected by a connecting shaft, and the connecting shaft is movably inserted into the limit plate on the surface of the extended grasping frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: three groups of vacuum suction cups are installed at the bottom of the first connecting plate and the second connecting plate, and the external switch of the driving motor is started to make the first lead screw and the second lead screw move synchronously. Under the action of the first driving seat, the first connecting seat and the second driving seat, and the second connecting seat, the distance between the first connecting plate and the second connecting plate is adjusted, and the vacuum grabbing of different stones is completed by adjusting the distance between the two rows of vacuum suction cups. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0014] Figure 2 The utility model structure Figure 1 Side view of

[0015] Figure 3 The utility model structure Figure 1 A top view of

[0016] Figure 4 This is a schematic diagram of the installation structure of the structural extension grabbing frame of the utility model.

[0017] Numbers in the figure: 1. driving motor; 2. extension grabbing frame; 3. first lead screw; 4. first driving seat; 5. first connecting plate; 6. vacuum suction cup; 7. first connecting seat; 8. first limit opening; 81. guide rod; 9. connecting shaft; 10. limit plate; 11. second lead screw; 12. second limit opening; 13. second driving seat; 14. second connecting plate; 15. second connecting seat; 16. robot body. DETAILED DESCRIPTION

[0018] See also Figure 1-4The utility model provides an extended grabbing mechanical arm, including an extended grabbing frame 2, the extended grabbing frame 2 is mounted at the end of a mechanical arm body 16, and the outer wall surface of the extended grabbing frame 2 is screwed to fix a driving motor 1, while the output shaft of the driving motor 1 is fixed to a first lead screw 3, and the first lead screw 3 is movably mounted inside the extended grabbing frame 2, the first lead screw 3 and the second lead screw 11 are movably mounted on both sides of the interior of the extended grabbing frame 2, and the first drive seat 4 and the second drive seat 13 are respectively mounted on the outer sides of the first lead screw 3 and the second lead screw 11;

[0019] The first driving seat 4 has a first connecting seat 7 welded and fixed at its bottom, and the first connecting seat 7 has a first connecting plate 5 screwed and fixed at its bottom, while the vacuum suction cup 6 is screwed and fixed at its bottom of the first connecting plate 5 .

[0020] Working principle: The extended grasping frame 2 is installed on the cantilever end of the robot arm body 16. At this time, the first connecting plate 5 and the second connecting plate 14 are respectively installed on the bottom of the extended grasping frame 2. Three groups of vacuum suction cups 6 are installed on the bottom of the first connecting plate 5 and the second connecting plate 14. The external switch of the drive motor 1 is started to make the first lead screw 3 and the second lead screw 11 move synchronously. Under the action of the first drive seat 4, the first connecting seat 7, the second drive seat 13, and the second connecting seat 15, the distance between the first connecting plate 5 and the second connecting plate 14 is adjusted. By adjusting the distance between the two rows of vacuum suction cups 6, the vacuum grasping of different stones is completed.

[0021] As a preferred embodiment, the first connecting plate 5 and the second connecting plate 14 are respectively installed on both sides of the bottom of the extended grabbing frame 2, and the first connecting plate 5 and the second connecting plate 14 are symmetrical structures about the central axis of the extended grabbing frame 2.

[0022] Three groups of vacuum suction cups 6 are evenly installed at the bottom of the first connecting plate 5 and the second connecting plate 14 , and vacuum tubes are installed on the vacuum suction cups 6 . Meanwhile, the distances between two adjacent groups of vacuum suction cups 6 are consistent.

[0023] By adjusting the distance between the first connecting plate 5 and the vacuum suction cup 6 at the bottom of the second connecting plate 14, it is possible to grasp stones of different sizes.

[0024] As a preferred implementation, a first limiting opening 8 and a second limiting opening 12 are respectively provided on the bottom plate of the extended grabbing frame 2 , and guide rods 81 are installed inside the first limiting opening 8 and the second limiting opening 12 .

[0025] The first and second connection seats 7 and 15 are installed inside the first and second limit openings 8 and 12 , respectively, and the first and second connection plates 5 and 14 are installed at the bottom of the first and second connection seats 7 and 15 , respectively.

[0026] Guide rods 81 are installed inside the first limiting opening 8 and the second limiting opening 12. The two sets of guide rods 81 are respectively inserted into the guide holes opened inside the first connecting seat 7 and the second connecting seat 15, so as to limit and guide the first connecting seat 7 and the second connecting seat 15 that move laterally, and prevent the first connecting plate 5 and the second connecting plate 14 from tilting during movement.

[0027] As a preferred embodiment, the first drive seat 4 and the second drive seat 13 are respectively installed on the top of the first connecting seat 7 and the second connecting seat 15, and the first drive seat 4 and the second drive seat 13 are respectively screwed to the inside of the first drive seat 4 and the second drive seat 13. At the same time, the first lead screw 3 and the second lead screw 11 are connected by a connecting shaft 9, and the connecting shaft 9 is movably inserted into the limit plate 10 on the surface of the extended grasping frame 2.

Claims

1. An extended grasping robot arm, comprising an extended grasping frame (2), characterized in that: The extended grasping frame (2) is mounted at the end of the robot arm body (16), and the outer wall surface of the extended grasping frame (2) is screwed to fix the driving motor (1), and the output shaft of the driving motor (1) is fixed to the first lead screw (3), and the first lead screw (3) is movably mounted inside the extended grasping frame (2), and the first lead screw (3) and the second lead screw (11) are movably mounted on both sides of the interior of the extended grasping frame (2), and the first drive seat (4) and the second drive seat (13) are respectively mounted on the outer sides of the first lead screw (3) and the second lead screw (11); The first driving seat (4) is welded and fixed to the bottom of the first connecting seat (7), and the first connecting plate (5) is screwed and fixed to the bottom of the first connecting seat (7), while the vacuum suction cup (6) is screwed and fixed to the bottom of the first connecting plate (5).

2. The extended grabbing robot arm according to claim 1, characterized in that: A first connecting plate (5) and a second connecting plate (14) are respectively installed on both sides of the bottom of the extended grabbing frame (2), and the first connecting plate (5) and the second connecting plate (14) are symmetrical structures with respect to the central axis of the extended grabbing frame (2).

3. The extended grabbing robot arm according to claim 1, characterized in that: Three groups of vacuum suction cups (6) are evenly installed at the bottom of the first connecting plate (5) and the second connecting plate (14), and vacuum tubes are installed on the vacuum suction cups (6), and the distance between two adjacent groups of vacuum suction cups (6) is consistent.

4. The extended grabbing robot arm according to claim 1, characterized in that: A first limiting opening (8) and a second limiting opening (12) are respectively provided on the bottom plate of the extended grabbing frame (2), and guide rods (81) are installed inside the first limiting opening (8) and the second limiting opening (12).

5. The extended grabbing robot arm according to claim 4, characterized in that: A first connection seat (7) and a second connection seat (15) are respectively installed inside the first limiting opening (8) and the second limiting opening (12), and a first connection plate (5) and a second connection plate (14) are respectively installed at the bottom of the first connection seat (7) and the second connection seat (15).

6. The extended grabbing robot arm according to claim 5, characterized in that: The first drive seat (4) and the second drive seat (13) are respectively installed on the top of the first connecting seat (7) and the second connecting seat (15), and the first lead screw (3) and the second lead screw (11) are respectively screwed inside the first drive seat (4) and the second drive seat (13), and the first lead screw (3) and the second lead screw (11) are connected by a connecting shaft (9), and the connecting shaft (9) is movably inserted into a limit plate (10) on the surface of the extended grasping frame (2).

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