CN220838611U - Manipulator for automobile welding - Google Patents

Abstract

The utility model discloses a manipulator for automobile welding, which relates to the technical field of automobile welding and comprises a base, an installation box and a manipulator body; the base is provided with an installation box, the upper part and the lower part of the installation box are respectively provided with an upper supporting plate and a lower supporting plate, an adjusting mechanism is arranged in the installation box, the upper supporting plate and the lower supporting plate move up and down through the adjusting mechanism, and a manipulator body is arranged above the upper supporting plate; two upper clamping plates are arranged at two ends of the bottom of one side of the upper supporting plate, which is far away from the mounting box; two lower clamping plates are arranged on the lower supporting plate; the two upper clamping plates correspond to the positions of the lower clamping plates. According to the utility model, the upper clamping plate and the lower clamping plate are moved up and down through the adjusting mechanism, the two groups of upper clamping plates and the lower clamping plates are matched to stably butt-joint the two groups of plates, and the mechanical arm body is used for welding the plates, so that the welding smoothness is ensured.

Description

Manipulator for automobile welding

Technical Field

The utility model relates to the technical field of automobile welding, in particular to a manipulator for automobile welding.

Background

The manipulator is an automatic operation device which can simulate some action functions of a human hand and an arm and is used for grabbing and carrying objects or operating tools according to fixed programs, and is characterized in that various expected operations can be completed through programming, the structure and the performance of the manipulator have the advantages of a human body and a manipulator device, the manipulator is an industrial robot which appears earliest and is a modern robot which appears earliest, the manipulator can replace heavy labor of people to realize mechanization and automation of production, and welding of automobiles often needs to be processed by using a welding manipulator.

When current automobile welding spare uses with welding manipulator, can only process in fixed position, the scope of use is less, therefore, publication No. CN216370804U discloses an adjustable welding manipulator of automobile welding spare, through rotating seat and carousel, can drive the fixing base and rotate, thereby can adjust the circumferencial position of processing, drive first support arm through first motor and swing, horizontal position and the high adjustment of processing, drive the second support arm through the second motor and swing from top to bottom, adjust the vertical position of processing, through the cooperation of rotating seat, first motor and second motor, adjust the wide range of processing.

However, the above patent still has some problems, in the welding process of some boards, the boards are difficult to stably butt-joint, and uneven welding positions are easily caused, so that the welding quality is affected. Accordingly, the present utility model has been made.

Disclosure of Invention

The utility model aims at the problems and provides a manipulator for automobile welding, which clamps plates and ensures stable butt joint between the plates during welding.

The utility model adopts the technical scheme that: comprises a base, an installation box and a manipulator body; the base is provided with a mounting box, an upper supporting plate and a lower supporting plate are respectively arranged at the upper part and the lower part of the mounting box, an adjusting mechanism is arranged in the mounting box, the upper supporting plate and the lower supporting plate move up and down through the adjusting mechanism, and a manipulator body is arranged above the upper supporting plate; two upper clamping plates are arranged at two ends of the bottom of one side, far away from the mounting box, of the upper supporting plate; two lower clamping plates are arranged on the lower supporting plate; the two upper clamping plates correspond to the positions of the lower clamping plates.

Further, the adjusting mechanism comprises a first motor, a gear, a rack, a connecting plate and four connecting rods; the outer side of the installation box is provided with a first motor, and the installation box is internally provided with a gear, a rack, a worm wheel, a worm and two limiting plates respectively; the output end of the first motor is rotatably connected with the worm through the side wall of the mounting box, the worm wheel is rotatably arranged at the bottom of the mounting box, and the worm is in meshed connection with the worm wheel; the gear is arranged above the worm wheel and is concentric with the worm wheel, and the gear is meshed with the rack; the rack is arranged along the horizontal direction, the top and the bottom of the rack are respectively provided with a limiting plate, and the rack is arranged between the two limiting plates in a sliding way; one end of the limiting plate is fixed on one side of the mounting box, and the other end of the limiting plate penetrates through the other side of the mounting box; one end of the rack extends out of the mounting box, and the length of the rack extending out of the mounting box is longer than the extending length of the limiting plate;

One end of the rack penetrating through the mounting box is connected with one side of the connecting plate; two ends of the other side of the connecting plate are respectively hinged with one ends of the four connecting rods, and the other ends of the two connecting rods at the upper end are respectively hinged with the two upper clamping plates; the other ends of the two connecting rods at the lower end are respectively hinged with the two lower clamping plates; the top and the bottom of the mounting box are hinged with the upper support plate and the lower support plate through fixing blocks; the two upper clamping plates are hinged with the upper supporting plate and the two lower clamping plates are hinged with the lower supporting plate through supporting columns.

Still further, all rotate in upper supporting plate and the lower backup pad and be connected with vertical threaded rod, the rotatable upper supporting plate that passes of one end of threaded rod and lower backup pad and support column threaded connection, the rotatable upper supporting plate that passes of the other end of threaded rod and lower backup pad are connected with the knob.

Still further, the manipulator body comprises a mounting plate, an air cylinder and a movable seat, wherein the mounting plate is vertically arranged on the upper part of the upper supporting plate, the surface of the mounting plate is vertically provided with the air cylinder, the lower end of the air cylinder is provided with the movable seat, the movable seat is provided with an electric push rod, the telescopic end of the electric push rod is provided with a second motor and a first rotating shaft through a square frame, the first rotating shaft is rotationally connected with the square frame, and one end of the first rotating shaft is rotationally connected with the output end of the second motor through the square frame; and a welding head is arranged on the first rotating shaft through a welding seat.

Further, the telescopic end of the electric push rod is provided with a third motor and a second rotating shaft through the mounting frame, the second rotating shaft is rotationally connected with the mounting frame, and one end of the second rotating shaft rotatably penetrates through the mounting frame to be connected with the output end of the third motor; the square frame is arranged on the second rotating shaft.

Further, the upper clamping plate and the lower clamping plate are the same in size.

Further, rubber pads are arranged at the lower end of the upper clamping plate and the upper end of the lower clamping plate.

Further, walking wheels are arranged below the base.

The utility model has the advantages that:

According to the welding manipulator, two groups of corresponding upper clamping plates and lower clamping plates are arranged at the bottom of the welding manipulator body, and the two groups of plates to be welded are respectively clamped, so that stable butt joint between the plates is ensured, and further the welding quality is ensured; when the welding machine is used, two groups of plates to be welded are respectively arranged between the two upper clamping plates and the lower clamping plate, the first motor drives the two upper clamping plates to move downwards and the two lower clamping plates to move upwards through the worm wheel, the worm, the gear and the rack, and the two groups of upper clamping plates and the lower clamping plates are matched to carry out neat butt joint on the two groups of plates; the cylinder drives the movable seat and the electric push rod to move up and down, the vertical position of the butt welding joint is adjusted, the second motor drives the first rotating shaft to adjust the angle of the butt welding joint, and welding treatment of different angles is met.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic illustration of the connection of the gear and rack portions of the present utility model;

FIG. 3 is a top view of the worm gear and gear connection of the present utility model;

FIG. 4 is a schematic illustration of the connection plate and the support plate of the present utility model;

fig. 5 is a schematic view of the connection of the mounting frame of the present utility model to a square frame.

Reference numerals:

The device comprises a 1-base, a 2-mounting box, a 3-upper supporting plate, a 4-manipulator body, a 5-regulating mechanism, a 6-upper clamping plate, a 7-lower clamping plate, an 8-supporting column, a 9-lower supporting plate, a 10-mounting frame, an 11-third motor, a 12-second rotating shaft, a 41-mounting plate, a 42-cylinder, a 43-movable seat, a 44-electric push rod, a 45-square frame, a 46-second motor, a 47-first rotating shaft, a 48-welding seat, a 49-welding head, a 51-first motor, a 52-gear, a 53-rack, a 54-connecting plate, a 55-connecting rod, a 56-worm wheel, a 57-limiting plate, a 58-worm, a 81-threaded rod and 82-knob.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 5, a manipulator for welding an automobile includes a base 1, a mounting box 2, and a manipulator body 4; the base 1 is fixedly provided with a mounting box 2, the upper part and the lower part of the mounting box 2 are respectively hinged with an upper supporting plate 3 and a lower supporting plate 9, an adjusting mechanism 5 is arranged in the mounting box 2, the upper supporting plate 3 and the lower supporting plate 9 move up and down through the adjusting mechanism 5, and a manipulator body 4 is arranged above the upper supporting plate 3; two upper clamping plates 6 are arranged at two ends of the bottom of the upper supporting plate 3, which is far away from one side of the mounting box 2; two lower clamping plates 7 are arranged on the upper part of the lower supporting plate 9; the two upper clamping plates 6 correspond to the positions of the lower clamping plates 7; the vertical positions of the manipulator body 4, the two upper clamping plates 6 and the two lower clamping plates 9 can be adjusted by the adjusting mechanism 5.

In the present embodiment, the adjusting mechanism 5 includes a first motor 51, a gear 52, a rack 53, a connecting plate 54, and four connecting rods 55; the first motor 51 is arranged on the outer side of the mounting box 2, the first motor 51 is arranged on the outer side of the mounting box 2 through a fixing frame, and a gear 52, a rack 53, a worm wheel 56, a worm 58 and two limiting plates 57 are respectively arranged in the mounting box 2; the output end of the first motor 51 is rotatably connected with one end of a worm 58 penetrating through the side wall of the mounting box 2, the other end of the worm 58 is rotatably arranged on the inner wall of the mounting box 2, a worm wheel 56 is rotatably arranged at the bottom of the mounting box, and the worm 58 is in meshed connection with the worm wheel 56; the gear 52 is arranged above the worm gear 56, the gear 52 and the worm gear 56 are concentrically arranged through a rotating shaft, the rotating shaft is rotatably arranged in the mounting box 2, and the gear 52 is in meshed connection with the rack 53; the rack 53 is arranged along the horizontal direction, the top and the bottom of the rack 53 are respectively provided with a limiting plate 57, and the rack 53 is arranged between the two limiting plates 57 in a sliding way; the limiting plate 57 is fixed on the mounting box 2, one end of the limiting plate 57 is fixed on one side of the mounting box 2, and the other end of the limiting plate 57 penetrates through the other side of the mounting box 2; one end of the rack 53 extends out of the mounting box 2, the length of the rack 53 extending out of the mounting box 2 is larger than the extending length of the limiting plates 57, and referring to fig. 2, the first motor 51 drives the worm 58 to rotate, the worm 58 drives the worm wheel 56 to rotate, the worm wheel 56 drives the gear 52 to rotate, and the gear 52 drives the rack 53 to move left and right between the two limiting plates 57; the rack 53 passes through one end of the mounting box 2 and is fixedly connected with one side of the connecting plate 54; two ends of the other side of the connecting plate 54 are respectively hinged with one ends of four connecting rods 55, and the other ends of the two connecting rods 55 at the upper end are respectively hinged with two upper clamping plates 6; the other ends of the two connecting rods 55 at the lower end are respectively hinged with the lower clamping plate 7;

The top and the bottom of the mounting box 2 are hinged with the upper support plate 3 and the lower support plate 9 through fixed blocks, and the two upper clamping plates 6 and the upper support plate 3 and the two lower clamping plates 7 and the lower support plate 9 are connected through support columns 8; one ends of the two support columns 8 are respectively and slidably arranged on the upper support plate 3 and the lower support plate 9, the other ends of the two support columns 8 are respectively hinged on the upper clamping plate 6 and the lower clamping plate 7, the rack 53 moves leftwards, the connecting plate 54 is driven to move leftwards, the upper clamping plate 6 is driven to move downwards, and meanwhile, the lower clamping plate 9 moves upwards; preferably, the support column 8 adopts a quadrangular prism structure, vertical threaded rods 81 are rotatably arranged in the upper support plate 3 and the lower support plate 9, one end of each threaded rod 81 rotatably penetrates through the upper support plate 3 and the lower support plate 9 to be in threaded connection with the support column 8, the other end of each threaded rod 81 rotatably penetrates through the upper support plate 3 and the lower support plate 9 to be fixedly connected with a knob 82, one end of each support column 8, connected with each threaded rod 81, extends into the upper support plate 3 and the lower support plate 9, and the support column 8 is in sliding connection with the upper support plate 3 and the lower support plate 9; when the thickness of two groups of automobile plates to be welded is different, the knob 82 can be rotated to drive the threaded rod 81 to rotate to drive the upper clamping plate 6 and the lower clamping plate 7 to move up and down, and the distance between the upper clamping plate 6 and the lower clamping plate 7 corresponding to the plates is adjusted, so that the plates with two groups of different thicknesses can be clamped conveniently.

More preferably, sleeves can be mounted on the bottom of the upper support plate 3 and on the top of the lower support plate 9, and the support columns 8 are slidably connected with the sleeves through quadrangular grooves in the sleeves, so that clamping of plates with larger thickness is achieved.

The manipulator body 4 comprises a mounting plate 41, an air cylinder 42 and a movable seat 43, wherein the mounting plate 41 is vertically arranged on the upper part of the supporting plate 3, the air cylinder 42 is vertically arranged on the surface of the mounting plate 41, the lower end of the air cylinder 42 is fixedly connected with the movable seat 43, an electric push rod 44 is fixedly arranged on the movable seat 43, the telescopic end of the electric push rod 44 is fixedly provided with a mounting frame 10, a third motor 11 is arranged outside the mounting frame 10 through a bracket, a second rotating shaft 12 is rotationally connected to the mounting frame 10, and one end of the second rotating shaft 12 rotatably penetrates through the mounting frame 10 and is connected with the output end of the third motor 11; a square frame 45 is fixedly arranged on the second rotating shaft 12, see fig. 5; the square frame 45 is externally provided with a second motor 46 through a bracket, the square frame 45 is rotatably connected with a first rotating shaft 47, and one end of the first rotating shaft 47 rotatably penetrates through the square frame 45 and is connected with the output end of the second motor 46; a welding seat 48 is fixedly arranged on the first rotating shaft 47, a welding head 49 is fixedly arranged on the welding seat 48, and the welding head 49 adopts a laser welding head; the vertical position of the welding joint 49 can be adjusted by driving the movable seat 43 and the electric push rod 44 to move up and down through the air cylinder 42; the transverse position of the welding joint 49 is adjusted by the electric push rod 44; the angle of the welding joint 49 can be adjusted by driving the first rotating shaft 47 to rotate through the second motor 46; the third motor 11 drives the second rotating shaft 12 to rotate, so that the angle of the square frame 45 can be adjusted according to the welding position, and the direction of the welding head is adjusted to facilitate welding; when other parts of the automobile are required to be welded, the height of the welding head 49 and the angle of the inclined welding head 49 can be adjusted, so that different use requirements are met, and the welding head is simple in structure and convenient to operate.

The upper clamping plate 6 and the lower clamping plate 7 are the same in size, the lower end of the upper clamping plate 6 and the upper end of the lower clamping plate 7 are both rubber pads, and the rubber pads are in direct contact with the surfaces of automobile parts during clamping, so that scratches on the surfaces of the automobile parts are avoided.

The walking wheel is arranged below the base 1, so that the manipulator for welding the automobile can be conveniently moved.

The working process of the utility model comprises the following steps: two groups of automobile plates to be welded are respectively arranged between two corresponding upper clamping plates 6 and lower clamping plates 7, a first motor 51 is started, the first motor 51 drives a worm 58 to rotate, the worm 58 drives a worm wheel 56 to rotate, the worm wheel 56 drives a gear 52 to rotate, the gear 52 drives a rack 53 to move left and right between two limiting plates 57, the rack 53 drives a connecting plate 54 to move left, the two upper clamping plates 6 move downwards, the two lower clamping plates 7 move upwards, the plates to be welded are fixedly clamped between the upper clamping plates 6 and the lower clamping plates 7, the first motor 51 stops running, and the self-locking function of the worm wheel and the worm enables the upper clamping plates 6 and the lower clamping plates 7 to clamp the plates, so that stable butt joint of the plates to be welded is realized; after welding, the first motor 51 is driven to reversely rotate to drive the worm 58 to reversely mesh with the worm wheel 56, so that the connecting plate 54 moves rightwards under the drive of the gear 52 and the rack 53, and simultaneously the upper clamping plate 6 moves upwards and the lower clamping plate 7 moves downwards to loosen the plate;

When the two upper clamping plates 6 move downwards, the upper supporting plate 3 is driven to move downwards, the welding hand body 4 arranged above the supporting plate 3 moves downwards, and the air cylinder 42 drives the movable seat 43 and the electric push rod 44 to move downwards, so that the welding head 49 moves downwards; starting the electric push rod 44 to drive the mounting frame 10 to move left and right, and adjusting the left and right positions of the welding head 49; the third motor 11 drives the second rotating shaft 12 to rotate, the square frame 45 is inclined, the welding head 49 is ensured to be vertical to the welding surface, and the welding of parts to be welded is realized; when the welding angle is different, the second motor 46 is started, the first rotating shaft 47 rotates, the welding seat 48 inclines, and the welding angle of the welding head 49 is changed, so that the use requirements of different welding angles are met.

According to the welding manipulator, two groups of corresponding upper clamping plates and lower clamping plates are arranged at the bottom of the welding manipulator body, and the two groups of plates to be welded are respectively clamped, so that stable butt joint between the plates is ensured, and further the welding quality is ensured; when the welding machine is used, two groups of plates to be welded are respectively arranged between the two upper clamping plates and the lower clamping plate, the first motor drives the two upper clamping plates to move downwards and the two lower clamping plates to move upwards through the worm wheel, the worm, the gear and the rack, and the two groups of upper clamping plates and the lower clamping plates are matched to carry out neat butt joint on the two groups of plates; the cylinder drives the movable seat and the electric push rod to move up and down, the vertical position of the welding joint is adjusted, the second motor drives the first rotating shaft of the rotating shaft to adjust the angle of the welding joint, and welding treatment of different angles is met; the third motor drives the second rotating shaft to rotate, and the angle of the square frame can be adjusted according to the welding position, so that the position of the welding head can be adjusted.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (8)

1. The manipulator for welding the automobile is characterized by comprising a base (1), an installation box (2) and a manipulator body (4);

An installation box (2) is arranged on the base (1), an upper supporting plate (3) and a lower supporting plate (9) are respectively hinged to the upper part and the lower part of the installation box (2), an adjusting mechanism (5) is arranged in the installation box (2), the upper supporting plate (3) and the lower supporting plate (9) move up and down through the adjusting mechanism (5), and a manipulator body (4) is arranged above the upper supporting plate (3);

Two upper clamping plates (6) are arranged at two ends of the bottom of one side, far away from the mounting box (2), of the upper supporting plate (3), and two lower clamping plates (7) are arranged on the lower supporting plate (9); the two upper clamping plates (6) correspond to the positions of the lower clamping plates (7).

2. The manipulator for welding automobiles according to claim 1, characterized in that the adjusting mechanism (5) comprises a first motor (51), a gear (52), a rack (53), a connecting plate (54) and four connecting rods (55);

the outer side of the mounting box (2) is provided with a first motor (51), and the mounting box (2) is respectively provided with a gear (52), a rack (53), a worm wheel (56), a worm (58) and two limiting plates (57); the output end of the first motor (51) rotatably penetrates through the side wall of the mounting box (2) and is connected with the worm (58), the worm wheel (56) is rotatably arranged at the bottom of the mounting box, and the worm (58) is in meshed connection with the worm wheel (56); the gear is arranged above the worm wheel (56) and is concentric with the worm wheel (56), and the gear (52) is meshed with the rack (53); the rack (53) is arranged in the horizontal direction, a limiting plate (57) is arranged at the top and the bottom of the rack (53), and the rack (53) is arranged between the two limiting plates (57) in a sliding mode; one end of the limiting plate (57) is fixed on one side of the mounting box (2), and the other end of the limiting plate (57) penetrates through the other side of the mounting box (2); one end of the rack (53) extends out of the mounting box, and the length of the rack (53) extending out of the mounting box (2) is longer than the extending length of the limiting plate (57);

One end of the rack (53) penetrates through the mounting box (2) to be connected with one side of the connecting plate (54); two ends of the other side of the connecting plate (54) are respectively hinged with one ends of the four connecting rods (55), and the other ends of the two connecting rods (55) at the upper ends are respectively hinged with the two upper clamping plates (6); the other ends of the two connecting rods (55) at the lower ends are respectively hinged with the two lower clamping plates (7); the top and the bottom of the installation box (2) are hinged with the upper supporting plate (3) and the lower supporting plate (9) through fixed blocks; the two upper clamping plates (6) and the upper supporting plate (3) and the two lower clamping plates (7) and the lower supporting plate (9) are hinged through supporting columns (8).

3. The manipulator for welding automobiles according to claim 2, wherein vertical threaded rods (81) are rotatably connected in the upper support plate (3) and the lower support plate (9), one end of each threaded rod (81) rotatably penetrates through the upper support plate (3) and the lower support plate (9) to be in threaded connection with the support column (8), and the other end of each threaded rod (81) rotatably penetrates through the upper support plate (3) and the lower support plate (9) to be connected with a knob (82).

4. A manipulator for welding an automobile according to any one of claims 1 to 3, wherein the manipulator body (4) comprises a mounting plate (41), an air cylinder (42) and a moving seat (43), the mounting plate (41) is vertically arranged on the upper part of the upper supporting plate (3), the air cylinder (42) is vertically arranged on the surface of the mounting plate (41), the moving seat (43) is arranged at the lower end of the air cylinder (42), an electric push rod (44) is arranged on the moving seat (43), a second motor (46) and a first rotating shaft (47) are arranged at the telescopic end of the electric push rod (44) through a square frame (45), the first rotating shaft (47) is connected with the square frame (45) in a rotating manner, and one end of the first rotating shaft (47) is connected with the output end of the second motor (46) in a rotatable manner through the square frame (45); a welding head (49) is arranged on the first rotating shaft (47) through a welding seat (48).

5. The manipulator for welding automobiles according to claim 4, wherein the telescopic end of the electric push rod (44) is provided with a third motor (11) and a second rotating shaft (12) through a mounting frame (10), the second rotating shaft (12) is rotatably connected with the mounting frame (10), and one end of the second rotating shaft (12) rotatably penetrates through the mounting frame (10) to be connected with the output end of the third motor (11); the square frame (45) is arranged on the second rotating shaft (12).

6. The manipulator for welding automobiles according to claim 5, characterized in that the upper clamping plate (6) and the lower clamping plate (7) are the same size.

7. The manipulator for welding automobiles according to claim 6, wherein rubber pads are provided at the lower end of the upper clamping plate (6) and the upper end of the lower clamping plate (7).

8. The manipulator for welding automobiles according to claim 7, wherein traveling wheels are provided below the base (1).