Mechanical arm for metal plate assembly

Abstract

The mechanical arm comprises a chuck and a force guiding arm, the upper end and the lower end of the right side of the chuck are each provided with a set of electric cylinders used for controlling the chuck to conduct clamping operation, and the outer side of the right end of each electric cylinder is provided with a set of connecting bases used for connecting the electric cylinders. A set of rotating heads rotating along with the connecting base are arranged on the right side of the connecting base, and a set of first adjusting motors used for providing longitudinal horizontal rotation for the rotating heads are arranged on the right sides of the rotating heads. The movable frame is used for limiting and stabilizing the movable position between the front supporting arm and the rear supporting arm, the rear supporting arm and the two sets of force guiding arms are used for providing left side deformation extension potential energy for the front supporting arm, and the two sets of force guiding arms are used for providing movable power for the rear supporting arm.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical arms and relates to a mechanical arm for sheet metal assembly. Background Art

[0002] The sheet metal assembly robot is a robot system specially used for sheet metal assembly tasks. It combines advanced mechanical, electronic, control and sensing technologies to achieve efficient and accurate sheet metal assembly process. Sheet metal assembly is an important part of the manufacturing process, and the robot arm is an important tool for automated assembly. Its flexibility and accuracy have a vital impact on the assembly quality. If the sheet metal assembly robot arm cannot perform sheet metal assembly through multi-angle rotation adjustment, a series of problems will arise.

[0003] The assembly of sheet metal parts often requires extremely high precision, especially when it involves the combination of multiple parts. If the robot arm cannot perform multi-angle rotation adjustment, it will not be able to adapt to the assembly requirements of different angles and positions, resulting in deviations and errors in the assembly process. This will not only affect the appearance quality of the product, but may also lead to product failure or safety hazards. Therefore, there is an urgent need for a sheet metal assembly robot arm to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a sheet metal assembly robot arm to solve the problems raised in the above-mentioned background technology.

[0005] The utility model is realized by the following technical scheme: a sheet metal assembly mechanical arm, comprising: a chuck and a guide arm, wherein a group of electric cylinders for controlling the chuck to perform clamping operations are provided at both upper and lower ends of the right side of the chuck;

[0006] A group of connecting seats for connecting several groups of electric cylinders are arranged on the outer side of the right end of the electric cylinder, and a group of rotating heads rotating with the connecting seats are arranged on the right side of the connecting seats;

[0007] A group of adjusting motor 1 for providing longitudinal horizontal rotation of the rotating head is provided on the right side of the rotating head, a group of adjusting motor 2 for providing lateral horizontal rotation of the adjusting motor 1 is provided on the upper end of the adjusting motor 1, and a group of connecting heads for connecting with the front supporting arm is provided on the right side of the adjusting motor 2, so that the adjusting motor 2 can be supported by the front connecting arm by using the connecting heads.

[0008] As a preferred embodiment, a group of front support arms for supporting and connecting the connecting head are provided on the right side of the connecting head, and a group of movable frames for providing movable supporting force to the front support arms are provided on the front side of the front support arms, and the movable position between the front support arm and the rear support arm can be limited and stabilized by using the movable frames.

[0009] As a preferred embodiment, a group of connecting arms for supporting the movable frame is provided at the lower end of the right side of the movable frame, a group of rear supporting arms for providing movable power to the front supporting arm is provided at the lower end of the connecting arm, and a group of rear supporting arms for providing movable power to the front supporting arm is provided on the right side. The rear supporting arm and two groups of guide arms can be used to provide left-side deformation extension potential energy to the front supporting arm.

[0010] As a preferred embodiment, a group of guide arms for providing power to the rear support arm are provided on the front and rear sides of the lower end of the rear support arm, a group of movable arms for stabilizing the front support arm are provided on the front and rear sides of the right side of the front support arm, and a group of side fixing plates for connecting the support are provided on the front side of the connecting arm.

[0011] As a preferred embodiment, a group of power motors for providing power to the guide arms are provided inside the side fixing plate. The side fixing plate and the power motors are provided with two groups, and are distributed on the outsides of the two groups of guide arms. The two groups of guide arms can be used to provide active power to the rear support arm.

[0012] As a preferred embodiment, a group of guide motors for adjusting the rotational position of the two groups of side fixing plates are provided on the inner side of the two groups of side fixing plates, a group of rotating seats for providing rotational potential energy are provided at the lower end of the guide motor, and a group of fixed seats for connecting to external supports are provided at the lower end of the rotating seat.

[0013] As a preferred embodiment, the connecting seat and the movable frame and the front supporting arm, the movable frame and the connecting arm, the connecting arm and the side fixed plate, the front supporting arm and the rear supporting arm and the two groups of movable arms, and the rear movable arm and the two groups of guide arms are all connected by a plurality of sets of rotating shafts. The lower end of each group of guide arms is internally connected to a group of power motor driving ends. The connecting cross-sections of the movable frame and the connecting arm and the connecting cross-sections of the front supporting arm and the rear supporting arm are both a 7-shaped structure.

[0014] After adopting the above technical scheme, the beneficial effects of the utility model are: by using a connecting head to support the adjustment motor 2 through the front connecting arm, by using a movable frame to limit and stabilize the movable position between the front support arm and the rear support arm, by using the rear support arm and two sets of guide arms to provide the front support arm with left-side deformation extension potential energy, and by using two sets of guide arms to provide movable power to the rear support arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 This is a schematic diagram of the front side plan view of a sheet metal assembly mechanical arm of the utility model;

[0017] Figure 2 This is a schematic diagram of the front side plan view of the connecting head in a sheet metal assembly mechanical arm of the utility model;

[0018] Figure 3 This is a front plan view of the structure of the front support arm and the rear support arm in a sheet metal assembly mechanical arm of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of a sheet metal assembly mechanical arm of the utility model, viewed from the right rear oblique side;

[0020] In the figure: 100-chuck, 110-electric cylinder, 120-connecting seat, 130-swivel head, 140-adjusting motor one, 150-adjusting motor two, 160-front support arm, 170-movable frame, 180-connecting arm, 190-movable arm, 200-power motor, 210-side fixing plate, 220-swivel seat, 230-connecting head, 240-rear support arm, 250-fixed seat, 260-guide motor, 270-guide arm. DETAILED DESCRIPTION

[0021] 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 of 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.

[0022] See also Figure 1-Figure 4 A sheet metal assembly robot arm includes: a chuck 100, an adjustment motor 140, a front support arm 160, a movable arm 190, a rear support arm 240 and a guide arm 270. A set of electric cylinders 110 for controlling the chuck 100 to perform a clamping operation are provided at both upper and lower ends of the right side of the chuck 100;

[0023] A group of connecting seats 120 for connecting several groups of electric cylinders 110 are arranged on the outer side of the right end of the electric cylinder 110, and a group of rotating heads 130 rotating with the connecting seats 120 are arranged on the right side of the connecting seats 120;

[0024] A group of adjusting motor 140 for providing longitudinal horizontal rotation for the rotating head 130 is provided on the right side of the rotating head 130, a group of adjusting motor 2 150 for providing lateral horizontal rotation for the adjusting motor 140 is provided on the upper end of the adjusting motor 140, and a group of connecting heads 230 for connecting with the front supporting arm 160 is provided on the right side of the adjusting motor 2 150, and the adjusting motor 2 150 can be supported by the front connecting arm 180 by using the connecting heads 230.

[0025] A group of front support arms 160 for supporting and connecting the connecting head 230 is provided on the right side of the connecting head 230, and a group of movable frames 170 for providing movable supporting force to the front support arms 160 are provided on the front side of the front support arms 160. The movable frames 170 can be used to limit and stabilize the movable position between the front support arms 160 and the rear support arms 240.

[0026] A group of connecting arms 180 for supporting the movable frame 170 is provided at the lower right end of the movable frame 170, and a group of rear support arms 240 for providing movable power to the front support arm 160 is provided at the lower end of the connecting arm 180. The rear support arm 240 and two groups of guide arms 270 can be used to provide left-side deformation and extension potential energy to the front support arm 160.

[0027] A group of guide arms 270 for providing power to the rear support arm 240 are provided on the front and rear sides of the lower end of the rear support arm 240, a group of movable arms 190 for stabilizing the front support arm 160 are provided on the front and rear sides of the right side of the front support arm 160, and a group of side fixing plates 210 for connecting support are provided on the front side of the connecting arm 180.

[0028] A group of power motors 200 for providing power to the guide arms 270 are provided inside the side fixing plate 210. Two groups of side fixing plates 210 and power motors 200 are provided, and are distributed on the outsides of the two groups of guide arms 270. By using two groups of guide arms 270, the rear support arm 240 can be provided with movable power.

[0029] A group of guide motors 260 for adjusting the rotational position of the two groups of side fixing plates 210 are provided on the inner side of the two groups of side fixing plates 210. A group of rotating seats 220 for providing rotational potential energy are provided at the lower end of the guide motors 260. A group of fixed seats 250 for connecting with external supports are provided at the lower end of the rotating seats 220.

[0030] The connecting seat 120 and the movable frame 170 and the front support arm 160, the movable frame 170 and the connecting arm 180, the connecting arm 180 and the side fixed plate 210, the front support arm 160 and the rear support arm 240 and the two groups of movable arms 190, and the rear movable arm 190 and the two groups of guide arms 270 are all connected by a plurality of sets of rotating shafts. The lower end of each group of guide arms 270 is connected to the driving end of a power motor 200. The connecting cross section of the movable frame 170 and the connecting arm 180 and the connecting cross section of the front support arm 160 and the rear support arm 240 are both a 7-shaped structure.

[0031] See also Figure 1-Figure 4 As the first embodiment of the utility model: In order to solve the problem that if the robot arm cannot be adjusted by multi-angle rotation, it will not be able to adapt to the assembly requirements of different angles and positions, thus causing deviations and errors in the assembly process, first, the staff operates the utility model to clamp the sheet metal materials to be assembled through several groups of electric cylinders 110 and chucks 100. Since a group of adjusting motors 140 for providing longitudinal horizontal rotation to the rotating head 130 is provided on the right side of the adjusting motor 140, a group of adjusting motors 140 for providing lateral horizontal rotation to the adjusting motor 140 is provided on the upper end of the adjusting motor 140. Machine 2 150, its adjustment motor 1 140 and adjustment motor 2 150 can provide longitudinal horizontal rotation adjustment and lateral horizontal rotation adjustment for the chuck 100. When the staff needs to extend the position of the chuck 100 laterally, the two groups of power motors 200 synchronously drive the two groups of guide arms 270 to rotate, and the two groups of guide arms 270 drive the rear support arm 240 to flip laterally. At the same time, the rear support arm 240 is movably connected to the front support arm 160 through a rotating shaft, and the rear support arm 240 can provide lateral extension potential energy to the front support arm 160 and drive the chuck 100 to extend to the left.

[0032] See also Figure 1-Figure 4 , as the second embodiment of the utility model: based on the description in the above embodiments, further, since the front connecting arm 180 is movably connected with the movable frame 170, the connecting arm 180 and the two sets of movable arms 190, when the front support arm 160 generates an extension movement, the movable frame 170, the connecting arm 180 and the two sets of movable arms 190 will follow the extension movement of the front support arm 160 to provide auxiliary movable support, thereby providing lateral and lower end stability for the front support arm 160, and preventing the chuck 100 from moving and deviating.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sheet metal assembly robot arm, comprising: A chuck (100), an adjustment motor (140), a front support arm (160), a movable arm (190) and a guide arm (270), characterized in that: a group of electric cylinders (110) for controlling the chuck (100) to perform a clamping operation are provided at both upper and lower ends of the right side of the chuck (100); A group of connection seats (120) for connecting a plurality of groups of electric cylinders (110) is provided on the outer side of the right end of the electric cylinder (110), and a group of rotating heads (130) rotating with the connecting seats (120) is provided on the right side of the connecting seats (120); A set of adjusting motors (140) for providing longitudinal horizontal rotation to the rotating head (130) is provided on the right side of the rotating head (130); a set of adjusting motors (150) for providing transverse horizontal rotation to the adjusting motor (140) is provided on the upper end of the adjusting motor (140); a set of connecting heads (230) for connecting to the front support arm (160) is provided on the right side of the adjusting motor (150).

2. A sheet metal assembly robot according to claim 1, characterized in that: A group of front support arms (160) for supporting and connecting the connection head (230) is provided on the right side of the connection head (230), and a group of movable frames (170) for providing movable supporting force to the front support arm (160) is provided on the front side of the front support arm (160).

3. A sheet metal assembly robot according to claim 2, characterized in that: A group of connecting arms (180) for supporting the movable frame (170) is provided at the lower right end of the movable frame (170), and a group of rear supporting arms (240) for providing movable power to the front supporting arm (160) is provided at the lower end of the connecting arm (180).

4. A sheet metal assembly robot according to claim 3, characterized in that: A group of force guide arms (270) for providing power to the rear support arm (240) are provided on both front and rear sides of the lower end of the rear support arm (240); a group of movable arms (190) for stabilizing the front support arm (160) are provided on both front and rear sides of the right side of the front support arm (160); and a group of side fixing plates (210) for connecting and supporting are provided on the front side of the connecting arm (180).

5. A sheet metal assembly robot according to claim 4, characterized in that: A group of power motors (200) for providing power to the force guide arms (270) are provided inside the side fixing plate (210), and two groups of the side fixing plate (210) and the power motors (200) are provided, and are distributed outside the two groups of force guide arms (270).

6. A sheet metal assembly robot according to claim 5, characterized in that: A group of guide motors (260) for adjusting the rotational positions of the two groups of side fixing plates (210) are provided on the inner sides of the two groups of side fixing plates (210); a group of rotating seats (220) for providing rotational potential energy are provided at the lower ends of the guide motors (260); and a group of fixing seats (250) for connecting with external supports are provided at the lower ends of the rotating seats (220).

7. The sheet metal assembly robot according to claim 1, characterized in that: The connection seat (120) and the movable frame (170) and the front support arm (160), the movable frame (170) and the connecting arm (180), the connecting arm (180) and the side fixing plate (210), the front support arm (160) and the rear support arm (240) and the two groups of movable arms (190), and the rear movable arm (190) and the two groups of guide arms (270) are all connected in a rotatable manner via a plurality of sets of rotating shafts; The lower end of each group of the guide arms (270) is internally connected to the driving end of a group of power motors (200) in terms of power, and the connecting cross-section of the movable frame (170) and the connecting arm (180) and the connecting cross-section of the front support arm (160) and the rear support arm (240) are both in a 7-shaped structure.

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