Reverse lifting grabbing mechanical arm for assembly line

Abstract

The reverse lifting grabbing mechanical arm comprises an adjusting assembly, a telescopic column, a motor driving disc connected with the bottom end of the telescopic column, a supporting plate connected with the bottom surface of the motor driving disc, a lifting electric push rod installed in the supporting plate and a lifting plate connected with the bottom end of the lifting electric push rod. The displacement grabbing assembly comprises a motor linear guide rail mounted on the bottom surface of the lifting plate and an electric grabbing clamping jaw which is connected with a sliding table arranged on the motor linear guide rail and is opposite to the assembly line conveying belt B; a lifting adsorption grabbing assembly; according to the assembly line mechanical arm, the grabbing design for clamping different metal workpieces is adopted, the structure is simple, the size is small, the different metal workpieces can be grabbed through the electric grabbing clamping jaw and the electromagnet, and the assembly line mechanical arm is of the reverse hoisting design, small in occupied area, capable of saving the ground space and convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model belongs to the technical field of assembly line mechanical arms, and in particular relates to an inverted hanging grabbing mechanical arm for an assembly line. Background Art

[0002] Assembly line robot refers to a robot arm device driven by motor, pneumatic, hydraulic and other dynamic principles, which is used for various operations on factory production lines and can autonomously complete the positioning, identification, grabbing, and handling of objects. The Chinese utility model patent application number CN202121878407.6 discloses an inverted grabbing robot arm for assembly lines. The assembly line robot arm can replace manual labor to complete repetitive, high-intensity or dangerous work, thereby improving production efficiency and safety;

[0003] Conventional assembly line robot arms generally lift metal workpieces from below, but such robot arms generally occupy a large area and are inconvenient to disassemble, assemble and transport. In addition, the gripping claw components of the robot gripping head are fixed in type and can only grip corresponding metal workpieces. When the assembly line conveyor belt conveys different metal objects, such as plate-shaped metal workpieces, the gripping claws cannot grip the plate-shaped metal workpieces, and the unused gripping components need to be replaced. When the assembly line robot arm is in use, there is a problem of not being able to grip different metal workpieces, and the gripping design has a simple structure and a small size. For this reason, the present application proposes an inverted lifting gripping robot arm for assembly lines. Utility Model Content

[0004] The utility model aims to provide an inverted grabbing robot arm for an assembly line, so as to solve the problem that the assembly line robot arm mentioned in the background technology has no grasping design for grabbing different metal workpieces with simple structure and small volume.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a reverse hanging grabbing mechanical arm for an assembly line, comprising

[0006] An adjustment component, a telescopic column, a motor drive disk connected to the bottom end of the telescopic column, a support plate connected to the bottom surface of the motor drive disk, a lifting electric push rod installed inside the support plate, and a lifting plate connected to the bottom end of the lifting electric push rod;

[0007] The displacement grabbing assembly includes a motor linear guide mounted on the bottom surface of the lifting plate, and an electric grabbing clamp connected to a slide provided on the motor linear guide and opposed to the assembly line conveyor belt B;

[0008] The lifting adsorption grabbing assembly includes a fixed plate installed on the end surface of the lifting plate, an adjusting screw rod penetrating the fixed plate, a slider moving along the axial direction of the adjusting screw rod, a connecting rod installed on the opposite surface of the slider, a connecting plate whose two ends are respectively connected to the other end of the opposite connecting rod, and an electromagnet connected to the center position of the bottom of the connecting plate.

[0009] Preferably, the support plate is a "U"-shaped structure, the top end of the lifting electric push rod is consistent with the bottom surface of the motor drive disk, and the centers of the telescopic column, the motor drive disk and the lifting electric push rod are on the same axis.

[0010] Preferably, the fixing plate is a frame structure, the connecting plate is a "U"-shaped structure, the connecting rod is a vertical adjustment screw rod, and the distance between the connecting plate and the lifting plate is 5 mm.

[0011] Preferably, a stabilizing block is provided on the bottom surface of the end of the lifting plate, and the stabilizing block comprises a vertical portion with a top end connected to the bottom surface of the lifting plate and a horizontal portion perpendicular to the bottom end of the vertical portion.

[0012] Preferably, a sliding column is slidably connected to the outer surface of the horizontal portion of the stabilizing block, one end of the sliding column located in the horizontal portion is a square structure, and a contraction spring with one end connected to the square end of the sliding column is provided in the horizontal portion.

[0013] Preferably, the end of the horizontal portion of the stabilizing block is slidably connected to a limiting plate, the end of the limiting plate away from the stabilizing block is a "T"-shaped structure, and teeth are provided on the surface of the limiting plate.

[0014] Preferably, tooth grooves are provided on opposite surfaces of the connecting plate, and the teeth having an isosceles triangle cross section cooperate with the tooth grooves.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] In the utility model, the assembly line robot arm of the present application has a grasping design for clamping different metal workpieces, and has a simple structure and small size. Different metal workpieces can be grasped through electric grasping claws and electromagnets. The present application is a reverse lifting design for lifting, which occupies a small area, saves ground space, and is easy to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a side structural schematic diagram of the connecting plate of the utility model;

[0019] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the connecting plate of the utility model;

[0021] In the figure: 1. telescopic column; 5. electromagnet; 21. motor drive disk; 22. support plate; 23. lifting electric push rod; 24. lifting plate; 31. motor linear guide; 32. electric grabbing claw; 41. fixing plate; 42. adjusting screw rod; 43. slider; 44. connecting plate; 61. sliding column; 62. stabilizing block; 63. contraction spring; 64. limit plate; 431. connecting rod; 441. tooth groove; 641. tooth. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0023] Example

[0024] See also Figures 1 to 4The utility model provides a technical solution: an inverted lifting grabbing mechanical arm for an assembly line, comprising an adjusting component, a telescopic column 1, a motor driving disk 21 connected to the bottom end of the telescopic column 1, a support plate 22 connected to the bottom surface of the motor driving disk 21, a lifting electric push rod 23 installed inside the support plate 22, and a lifting plate 24 connected to the bottom end of the lifting electric push rod 23. The telescopic column 1 can be installed on the assembly line lifting component. The present application is an inverted lifting design, which occupies a small area, has a simple structure and a small volume, and saves space. The motor driving disk 21 drives the support plate 22 and the lifting electric push rod 23 to rotate, which can change the angle of the lifting plate 24 and the electric grabbing claw 32, so that the electric grabbing claw 32 can clamp the metal workpiece at different angles. The operation of the lifting electric push rod 23 can change the height of the electric grabbing claw 32, which is convenient for grabbing the metal workpiece transported on the assembly line conveyor belt B; the displacement grabbing component comprises a motor linear guide installed on the bottom surface of the lifting plate 24 Rail 31, an electric grabbing claw 32 connected to the slide provided on the motor linear guide 31 and opposed to the assembly line conveyor belt B, the motor linear guide 31 and the lifting plate 24 are combined by a conventional method, the motor linear guide 31 is operated, the electric grabbing claw 32 is moved, and the metal workpieces transported at different positions on the assembly line conveyor belt B can be grabbed; the lifting adsorption grabbing component includes a fixed plate 41 installed on the end surface of the lifting plate 24, an adjusting screw rod 42 penetrating the fixed plate 41, a slider 43 moving axially along the adjusting screw rod 42, a connecting rod 431 installed on the opposite surface of the slider 43, a connecting plate 44 whose two ends are respectively connected to the other end of the opposing connecting rod 431, and an electromagnet 5 connected to the bottom center position of the connecting plate 44, the fixed plate 41 and the lifting plate 24 are combined by a conventional method, the electromagnet 5 is operated, and the plate-shaped metal workpieces transported on the assembly line conveyor belt B can be adsorbed, and different metal workpieces can be clamped.

[0025] In this embodiment, the support plate 22 is a "U"-shaped structure, the top of the lifting electric push rod 23 is consistent with the bottom surface of the motor drive disk 21, the centers of the telescopic column 1, the motor drive disk 21 and the lifting electric push rod 23 are on the same axis, the telescopic column 1, the motor drive disk 21 and the lifting electric push rod 23 are accurately installed, and the operation of the lifting electric push rod 23 can change the height of the electric grabbing claw 32, which is convenient for grabbing the metal workpiece transported on the assembly line conveyor belt B.

[0026] In this embodiment, the fixed plate 41 is a frame structure, the connecting plate 44 is a "U"-shaped structure, the connecting rod 431 vertically adjusts the screw rod 42, and the distance between the connecting plate 44 and the lifting plate 24 is 5 mm. The screw rod 42 is adjusted to rotate, so that the slider 43, the connecting rod 431, the connecting plate 44 and the electromagnet 5 can be vertically lifted and lowered, and the height position of the electromagnet 5 can be fine-tuned, which is convenient for adsorption and grasping of plate-shaped metal workpieces of different thicknesses.

[0027] In this embodiment, a stabilizing block 62 is provided on the bottom surface of the end of the lifting plate 24. The stabilizing block 62 is combined with the lifting plate 24 by a conventional method. The stabilizing block 62 includes a vertical portion whose top is connected to the bottom surface of the lifting plate 24 and a horizontal portion perpendicular to the bottom end of the vertical portion. A sliding column 61 is slidably connected to the outer surface of the horizontal portion of the stabilizing block 62. One end of the sliding column 61 located in the horizontal portion is a square structure. A contraction spring 63 is provided in the horizontal portion at one end connected to the square end of the sliding column 61. When the sliding column 61 slides, the sliding column 61 squeezes the contraction spring 63. 3, so that the limit plate 64 moves, the horizontal end of the stabilizing block 62 is slidably connected to the limit plate 64, the end of the limit plate 64 away from the stabilizing block 62 is a "T"-shaped structure, a tooth 641 is provided on the surface of the limit plate 64, and a tooth groove 441 is provided on the opposite surface of the connecting plate 44. The tooth 641 with an isosceles triangle cross section cooperates with the tooth groove 441, and the surface of the limit plate 64 is consistent with that of the connecting plate 44, so that the tooth 641 is embedded in the tooth groove 441 to prevent the slider 43, the connecting rod 431, the connecting plate 44 and the electromagnet 5 from moving downward.

[0028] The working principle and use process of this utility model:

[0029] When grabbing regular metal workpieces such as columns, cubes or cuboids conveyed on the conveyor belt B of the assembly line;

[0030] The lifting electric push rod 23 is operated to change the height of the electric grabbing clamp 32. The electric grabbing clamp 32 is operated to clamp the metal workpiece, so as to facilitate the grabbing of the metal workpiece transported on the conveyor belt B of the assembly line;

[0031] The motor drive disk 21 drives the support plate 22 and the lifting electric push rod 23 to rotate, which can change the angle of the lifting plate 24 and the electric grabbing clamp 32, so that the electric grabbing clamp 32 can clamp the metal workpiece at different angles;

[0032] The motor linear guide 31 runs, so that the electric grabbing claw 32 moves, and can grab the metal workpieces transported at different positions on the assembly line conveyor belt B;

[0033] When grabbing the plate-shaped metal workpiece transported on the conveyor belt B of the assembly line, the electromagnet 5 operates to absorb the plate-shaped metal workpiece transported on the conveyor belt B of the assembly line, and can clamp different metal workpieces;

[0034] The sliding column 61 slides, and the sliding column 61 squeezes the contraction spring 63, so that the limit plate 64 moves and there is a gap between the connecting plate 44, and at the same time, the adjusting screw rod 42 is rotated to vertically move the slider 43, the connecting rod 431, the connecting plate 44 and the electromagnet 5 to a suitable position;

[0035] Loosen the sliding post 61. Under the elastic force of the contraction spring 63, the limit plate 64 matches the connecting plate 44, and the teeth 641 are embedded in the tooth groove 441 to limit the connecting plate 44 and prevent the slider 43, the connecting rod 431, the connecting plate 44 and the electromagnet 5 from moving downward.

[0036] To sum up: the assembly line robot arm of the present application has a grasping design for clamping different metal workpieces, and has a simple structure and small size. It can grasp different metal workpieces through the electric grasping claw 32 and the electromagnet 5. The present application is a reverse lifting design for lifting, which occupies a small area, saves ground space, and is easy to disassemble and assemble.

[0037] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reverse hanging grabbing mechanical arm for an assembly line, characterized in that: include An adjustment component, a telescopic column (1), a motor drive disk (21) connected to the bottom end of the telescopic column (1), a support plate (22) connected to the bottom surface of the motor drive disk (21), a lifting electric push rod (23) installed inside the support plate (22), and a lifting plate (24) connected to the bottom end of the lifting electric push rod (23); The displacement grabbing assembly comprises a motor linear guide rail (31) mounted on the bottom surface of the lifting plate (24), and an electric grabbing clamp (32) connected to a slide provided on the motor linear guide rail (31) and opposed to the assembly line conveyor belt B; The lifting adsorption grabbing assembly comprises a fixing plate (41) mounted on the end surface of a lifting plate (24), an adjusting screw rod (42) penetrating the fixing plate (41), a slider (43) moving along the axial direction of the adjusting screw rod (42), a connecting rod (431) mounted on the opposite surface of the slider (43), a connecting plate (44) whose two ends are respectively connected to the other end of the opposite connecting rod (431), and an electromagnet (5) connected to the center position of the bottom of the connecting plate (44).

2. The inverted grabbing mechanical arm for an assembly line according to claim 1, characterized in that: The support plate (22) is a "U"-shaped structure, the top of the lifting electric push rod (23) is consistent with the bottom surface of the motor drive disk (21), and the centers of the telescopic column (1), the motor drive disk (21) and the lifting electric push rod (23) are on the same axis.

3. The reverse hanging grabbing mechanical arm for an assembly line according to claim 1, characterized in that: The fixing plate (41) is a frame structure, the connecting plate (44) is a "U"-shaped structure, the connecting rod (431) vertically adjusts the screw rod (42), and the distance between the connecting plate (44) and the lifting plate (24) is 5 mm.

4. The reverse hanging grabbing mechanical arm for assembly line according to claim 1, characterized in that: A stabilizing block (62) is provided on the bottom surface of the end of the lifting plate (24), and the stabilizing block (62) comprises a vertical portion with a top end connected to the bottom surface of the lifting plate (24) and a horizontal portion perpendicular to the bottom end of the vertical portion.

5. The reverse hanging grabbing mechanical arm for assembly line according to claim 4, characterized in that: The outer surface of the horizontal part of the stabilizing block (62) is slidably connected to a sliding column (61), one end of the sliding column (61) located in the horizontal part is a square structure, and a contraction spring (63) is provided in the horizontal part at one end connected to the square end of the sliding column (61).

6. The reverse hanging grabbing mechanical arm for assembly line according to claim 5, characterized in that: The horizontal end of the stabilizing block (62) is slidably connected to a limiting plate (64); the end of the limiting plate (64) away from the stabilizing block (62) is a "T"-shaped structure; teeth (641) are provided on the surface of the limiting plate (64).

7. The reverse hanging grabbing mechanical arm for assembly line according to claim 6, characterized in that: Tooth grooves (441) are provided on the opposite surfaces of the connecting plate (44), and the teeth (641) having an isosceles triangle cross section cooperate with the tooth grooves (441).

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