Robot moving platform transmission mechanism

Abstract

The utility model relates to the technical field of robot moving platforms, in particular to a robot moving platform transmission mechanism which comprises a bottom plate, and the upper end of the bottom plate is fixedly connected with two first supporting seats which are distributed in a bilateral symmetry mode and two guide rails which are distributed in a front-back symmetry mode relative to the first supporting seats. The top end of the first sliding seat is fixedly connected with a moving plate, the upper end of the moving plate is fixedly connected with two second supporting seats which are symmetrically distributed left and right, the left end of the second supporting seat located on the left side is fixedly connected with a second motor, a second lead screw is rotationally connected between the two second supporting seats, and the output shaft end of the second motor is fixedly connected with the second lead screw. The circumferential surface of the second lead screw is in threaded connection with a second sliding seat, and the top end of the second sliding seat is fixedly connected with a mounting platform. The robot moving platform transmission mechanism solves the problem that the moving range of an existing robot moving platform transmission mechanism is fixed, and a robot can conduct welding operation on objects in a larger range under the limited condition.

Description

TECHNICAL FIELD

[0001] The utility model relates to robot mobile platform technical field especially relates to a robot mobile platform transmission mechanism. BACKGROUND

[0002] With the progress of science development, industrial robot technology gradually rises and is widely used in chemical industry, medical treatment, manufacturing industry and other fields, saves manpower, guarantees high -efficient orderly simultaneously and carries out, and transmission mechanism is one of important structures of industrial robot equipment, and industrial robot needs linear movement left and right when working, so that the robot can weld objects at different positions.

[0003] Chinese utility model patent application number 202120245378.3 discloses a kind of industrial robot mobile platform for welding, the utility model drives screw rod rotation by rotating handle, so that threaded block moves along the surface of screw rod, so that threaded block moves to connecting block, then threaded block and connecting block prop up movable plate, the height of bottom plate is promoted, so that the height of robot is promoted, so as to realize the lifting function of this device, enhance the practicality of this device.

[0004] However, the above-mentioned patent in use, the transmission mechanism for driving robot to move left and right linearly moves the fixed range, when the robot needs to be used to weld objects in a larger range, the robot can only replace different mobile platform transmission mechanism, and cannot be adjusted in time according to existing equipment, resulting in the use range of the whole equipment being limited, in order to improve the movable range of industrial robot, a robot mobile platform transmission mechanism needs to be designed. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a kind of robot mobile platform transmission mechanism, and the main technical problem to be solved is: solve the fixed problem of the moving range of the existing robot mobile platform transmission mechanism, so that robot can weld objects in a larger range under limited conditions.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of robot mobile platform transmission mechanism, including bottom plate, the upper end of the bottom plate is fixedly connected with two first support seat that are left and right symmetrical distribution and two guide rails that are front and back symmetrical distribution about first support seat, the left end of left side first support seat is fixedly connected with first motor, first screw is rotatably connected between two first support seats, the output shaft end of the first motor is fixedly connected with first screw, the circumference of first screw is threadedly connected with first sliding seat, first sliding seat is between two guide rails, and is slidably connected with two guide rails, the top of first sliding seat is fixedly connected with moving plate, the upper end surface of moving plate is provided with two two sliding holes that are front and back symmetrical distribution about second support seat, the upper end of moving plate is fixedly connected with two second support seat that are left and right symmetrical distribution, the left end of left side second support seat is fixedly connected with second motor, second screw is rotatably connected between two second support seats, the output shaft end of the second motor is fixedly connected with second screw, the circumference of second screw is threadedly connected with second sliding seat, second sliding seat is between two sliding holes, and second sliding seat extends to sliding hole downwards, and is slidably connected with second sliding hole, the top of second sliding seat is fixedly connected with mounting platform.

[0007] By adopting the above technical scheme, the range of the mounting platform can be extended based on the existing equipment, so that the mounting platform can move in a larger range under limited conditions, and thus the robot installed on the mounting platform can perform welding work on a larger range of objects.

[0008] As a further description of the above technical scheme: the upper end surface of the mounting platform is provided with four mounting holes.

[0009] By adopting the above technical scheme, the existence of the four mounting holes facilitates the fixation of the robot required for work on the top of the mounting platform.

[0010] As a further description of the above technical scheme: the front and back ends of the bottom plate are fixedly connected with two fixed ears distributed left and right.

[0011] By adopting the above technical scheme, the existence of the fixed ears facilitates the firm installation of the bottom plate at a suitable position in the work site.

[0012] As a further description of the above technical scheme: the inside of the moving plate is provided with two groups of second installation grooves, each group of second installation grooves is provided with two, and is respectively located at the front and back ends corresponding to the sliding hole, the inside of a plurality of second installation grooves is rotatably connected with a plurality of second rollers, and the second sliding seat cooperates with the second roller.

[0013] By adopting the technical scheme, the friction between the second sliding seat and the moving plate can be reduced, the second sliding seat can drive the mounting platform to move more smoothly, and the probability of jamming can be reduced.

[0014] As a further description of the above technical scheme: the front and rear ends of the moving plate are fixedly connected with two support frames, the two support frames between the front and rear ends are fixedly connected through connecting rods, the connecting rods are located in the guide rails and are in sliding connection with the guide rails, two groups of first mounting grooves are formed in the interiors of the two guide rails, each group of first mounting grooves is provided with two first mounting grooves, the two first mounting grooves are located at the upper and lower ends of the first sliding seat, and a plurality of first rollers are rotatably connected in the interiors of the plurality of first mounting grooves.

[0015] By adopting the technical scheme, the support frames and the connecting rods are matched, on the one hand, the moving plate can be supported to move stably along the guide rails, and on the other hand, the sliding frame formed by the connecting rods and the support frames is not easy to be separated from the guide rails during movement, and since the first rollers are arranged in the interiors of the first mounting grooves, the first sliding seat and the connecting rods can move more smoothly, and the sliding friction resistance can be reduced.

[0016] As a further description of the above technical scheme: the upper end faces of the two guide rails are provided with two through holes, and the two through holes are in communication with the two first mounting grooves.

[0017] By adopting the technical scheme, the interiors of the first mounting grooves can be conveniently accessed through the through holes, lubricating oil is added to the surfaces of the first rollers, the first rollers can continuously keep a smooth state, and the robot mounted on the mounting platform can be driven.

[0018] According to the technical scheme, the robot moving platform transmission mechanism has at least the following beneficial effects:

[0019] 1. Compared with the prior art, the robot moving platform transmission mechanism can only control the mounting platform to move within a fixed range through cooperation of the first motor, the first screw rod, the first sliding seat and the moving plate, then controls the second motor to drive the second screw rod to rotate, at this time, the second sliding seat can drive the mounting platform to move left and right along the sliding hole, at this time, the mounting platform can move in a larger range on the basis of the existing equipment, and thus the robot mounted on the mounting platform can perform welding work on objects in a larger range under limited conditions, thereby improving the practicability and convenience of the whole equipment.

[0020] 2. Compared with the prior art, the robot mobile platform transmission mechanism can reduce sliding friction and move more smoothly and stably in the process of moving of the transmission mechanism composed of the whole device through the cooperation of the first mounting groove, the first roller, the second mounting groove and the second roller. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 Figure 1 is a schematic diagram of the overall structure of the left view of the robot mobile platform transmission mechanism according to the present application;

[0022] Figure 2 Figure 2 is a schematic diagram of the structure of the left view of the robot mobile platform transmission mechanism according to the present application after partial sectioning;

[0023] Figure 3 Figure 3 is a schematic diagram of the robot mobile platform transmission mechanism according to the present application; Figure 2 Figure 4 is an enlarged schematic diagram of part A of the robot mobile platform transmission mechanism according to the present application;

[0024] Figure 4 Figure 5 is an enlarged schematic diagram of part B of the robot mobile platform transmission mechanism according to the present application. Figure 2

[0025] LEGEND:

[0026] 1, bottom plate; 2, fixing lug; 3, support frame; 4, connecting rod; 5, guide rail; 6, first roller; 7, mounting platform; 8, mounting hole; 9, first support seat; 10, first motor; 11, second motor; 12, second support seat; 13, first lead screw; 14, second lead screw; 15, second sliding seat; 16, moving plate; 17, through hole; 18, first sliding seat; 19, first mounting groove; 20, sliding hole; 21, second mounting groove; 22, second roller. DETAILED DESCRIPTION

[0027] REFERENCE Figures 1-4 ​The utility model provides a kind of robot mobile platform transmission mechanism, including bottom plate 1, the upper end of bottom plate 1 is fixedly connected with two first support seat 9 that are left and right symmetrical distribution and two guide rails 5 that are about first support seat 9 front and back symmetrical distribution, the left end fixed connection of left side first support seat 9 has first motor 10, first screw rod 13 is rotatably connected between two first support seat 9, the output shaft end of first motor 10 is fixedly connected with first screw rod 13, the circumference surface of first screw rod 13 is threadedly connected with first sliding seat 18, first sliding seat 18 is between two guide rails 5, and with two guide rails 5 sliding connection, the top end of first sliding seat 18 is fixedly connected with moving plate 16, the upper end surface of moving plate 16 is provided with two two sliding holes 20 that are about second support seat 12 front and back symmetrical distribution, the upper end of moving plate 16 is fixedly connected with two second support seat 12 that are left and right symmetrical distribution, the left end fixed connection of left side second support seat 12 has second motor 11, second screw rod 14 is rotatably connected between two second support seat 12, the output shaft end of second motor 11 is fixedly connected with second screw rod 14, the circumference surface of second screw rod 14 is threadedly connected with second sliding seat 15, second sliding seat 15 is between two sliding holes 20, and second sliding seat 15 extends to sliding hole 20 downwards, and with second sliding hole 20 sliding connection, the top end of second sliding seat 15 is fixedly connected with mounting platform 7, the upper end surface of mounting platform 7 is provided with four mounting holes 8, when working, first in the cooperation of four mounting holes 8, fixed mounting required robot on mounting platform 7, then first motor 10 operation can drive first screw rod 13 rotation, when in the cooperation of first sliding seat 18 and moving plate 16, mounting platform 7 can be controlled to move linearly in fixed range, and on this basis, control second motor 11 drive second screw rod 14 rotation, when second sliding seat 15 can drive mounting platform 7 along sliding hole 20 and move left and right, when mounting platform 7 can be moved in larger range on the basis of existing equipment, to make robot can be in limited condition, to larger range object is carried out welding operation;The front and back ends of bottom plate 1 are both fixedly connected with two left and right distribution fixed lug 2, when working, the existence of fixed lug 2, it is convenient to fix mounting bottom plate 1 in the suitable position of operation site.

[0028] The interior of the moving plate 16 is provided with two groups of second mounting slots 21, each group of second mounting slots 21 is provided with two, and is respectively located at the front and back ends of the corresponding sliding hole 20, the interiors of the plurality of second mounting slots 21 are rotationally connected with a plurality of second rollers 22, and the second sliding seat 15 is matched with the second roller 22; the front and back ends of the moving plate 16 are fixedly connected with two support frames 3, and the two support frames 3 between the front and back ends are fixedly connected through the connecting rod 4, the connecting rod 4 is located in the guide rail 5 and is slidably connected with the guide rail 5, the interiors of the two guide rails 5 are provided with two groups of first mounting slots 19, each group of first mounting slots 19 is provided with two, the two first mounting slots 19 are respectively located at the upper and lower ends of the first sliding seat 18, the interiors of the plurality of first mounting slots 19 are rotationally connected with a plurality of first rollers 6, and the plurality of first rollers 6 are matched with the connecting rod 4 and the first sliding seat 18; during work, under the cooperation of the first mounting slot 19, the first roller 6, the second mounting slot 21 and the second roller 22, the transmission mechanism composed of the whole device can reduce the sliding friction during movement and move more smoothly and stably.

[0029] The upper end faces of the two guide rails 5 are provided with two through holes 17, and the two through holes 17 are in communication with the two first mounting slots 19; during work, the first roller 6 can be lubricated by adding lubricating oil to the interiors of the first mounting slots 19 through the through holes 17, so that the first roller 6 can continuously maintain a smooth state, thereby driving the robot installed on the mounting platform 7.

[0030] Working principle:

[0031] During use, first, the required robot is fixedly installed on the mounting platform 7 under the cooperation of the mounting hole 8, then the first motor 10 is controlled to work, the first motor 10 drives the first lead screw 13 to rotate, at this time, the first sliding seat 18 moves left and right in a straight line along the guide rail 5, and under the cooperation of the moving plate 16, the second sliding seat 15 and the mounting platform 7, the robot moves in a straight line in the left and right directions along the guide rail 5, and when the robot reaches the maximum limit value of the movable range of the guide rail 5, the second motor 11 is controlled to drive the second lead screw 14 to rotate, at this time, the second sliding seat 15 drives the mounting platform 7 and the robot to move along the sliding hole 20 to a larger range, at this time, the robot can weld objects in a larger range under limited conditions, and during the whole movement, under the cooperation of the first roller 6 and the second roller 22, the transmission mechanism composed of the whole device can reduce the sliding friction during movement and move more smoothly and stably.

[0032] It should be explained finally: above only is the preferred embodiment of the utility model and is not used for limiting the utility model, although the utility model has been explained in detail with reference to foregoing embodiment, for the skilled person in the art, it still can modify the technical scheme recorded in foregoing each embodiment or make equivalent replacement to part technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. A robot mobile platform transmission mechanism comprising a base plate (1), characterized in that: The upper end of the bottom plate (1) is fixedly connected with two first support seats (9) distributed in left and right symmetry and two guide rails (5) distributed in front and back symmetry relative to the first support seat (9), the left end of the left first support seat (9) is fixedly connected with a first motor (10), the first support seat (9) is rotatably connected with a first lead screw (13) between the two first support seats (9), the output shaft end of the first motor (10) is fixedly connected with the first lead screw (13), the circumferential surface of the first lead screw (13) is threadedly connected with a first sliding seat (18), the first sliding seat (18) is located between the two guide rails (5) and is slidably connected with the two guide rails (5), the top end of the first sliding seat (18) is fixedly connected with a moving plate (16), the upper end surface of the moving plate (16) is provided with two sliding holes (20) distributed in front and back symmetry relative to a second support seat (12), the upper end of the moving plate (16) is fixedly connected with two second support seats (12) distributed in left and right symmetry, the left end of the left second support seat (12) is fixedly connected with a second motor (11), a second lead screw (14) is rotatably connected between the two second support seats (12), the output shaft end of the second motor (11) is fixedly connected with the second lead screw (14), the circumferential surface of the second lead screw (14) is threadedly connected with a second sliding seat (15), the second sliding seat (15) is located between the two sliding holes (20) and extends downward to the sliding hole (20) and is slidably connected with the second sliding hole (20), and the top end of the second sliding seat (15) is fixedly connected with a mounting platform (7).

2. The robotic mobile platform transmission of claim 1, wherein: The upper end surface of the mounting platform (7) is provided with four mounting holes (8).

3. The robotic mobile platform transmission of claim 1, wherein: The front and back ends of the bottom plate (1) are fixedly connected with two fixed ears (2) distributed in left and right.

4. The robotic mobile platform transmission of claim 1, wherein: The inside of the moving plate (16) is provided with two groups of second installation grooves (21), each group of second installation grooves (21) is provided with two, and is respectively located at the front and back ends of the corresponding sliding hole (20), the inside of the plurality of second installation grooves (21) is rotatably connected with a plurality of second rollers (22), and the second sliding seat (15) is matched with the second roller (22).

5. The robotic mobile platform transmission of claim 1, wherein: The front and back ends of the moving plate (16) are fixedly connected with two support frames (3), the front and back ends of the two support frames (3) are fixedly connected through connecting rods (4), the connecting rod (4) is located in the guide rail (5) and is slidably connected with the guide rail (5), the inside of the two guide rails (5) is provided with two groups of first installation grooves (19), each group of first installation grooves (19) is provided with two, the two first installation grooves (19) are respectively located at the upper and lower ends of the first sliding seat (18), the inside of the plurality of first installation grooves (19) is rotatably connected with a plurality of first rollers (6), and the plurality of first rollers (6) are matched with the connecting rod (4) and the first sliding seat (18).

6. The robotic mobile platform transmission of claim 1, wherein: The upper end surfaces of the two guide rails (5) are provided with two through holes (17), and the two through holes (17) are in communication with the two first installation grooves (19).

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