Robot with positioning function

Abstract

The utility model discloses a robot with a positioning function, and relates to the technical field of steel part welding. The robot with the positioning function comprises a workbench and connecting bases oppositely arranged at the front end and the rear end of the workbench, and the connecting base close to the rear end of the workbench is welded to the workbench. The other connecting base moves relative to the connecting base close to the rear end of the workbench by rotating a threaded rod penetrating through the workbench, and the connecting base at the front position is provided with a positioning rotating assembly. The cylindrical part can drive the connecting shaft to rotate by a certain angle only when rotating by a circle every time so as to drive the plate to rotate, and when the first motor deviates, a redundant rotation mode can be adopted, that is, when the first motor drives the disc part every time, the cross ratchet wheel rotates by a certain angle after rotating by a certain angle, and then the plate is driven to rotate by a certain angle after rotating by a certain angle. And at the moment, the cross ratchet wheel does not move along with the rotation of the disc piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel piece welding technical field especially relates to a robot with positioning function. BACKGROUND

[0002] When welding components such as plates, it is often necessary to clamp the plates and then weld them. The Chinese utility model patent "CN222243241U" discloses a novel industrial intelligent robot with positioning function, which comprises a bottom plate, a dovetail groove is formed at the top end of the bottom plate, a protection assembly is arranged inside the dovetail groove, a dovetail block is slidably connected to the inner wall of the dovetail groove, a connecting seat is arranged at the top end of the dovetail block and one side of the top end of the bottom plate, a limiting ring is slidably connected to the inner wall of each connecting seat, and a turnover motor is arranged on one side of each connecting seat.

[0003] The above technical solution drives two transmission columns to rotate through two turnover motors, the two transmission columns drive two limiting rings and two clamping assemblies to rotate, the two clamping assemblies drive two steel pieces to rotate, thereby realizing the turnover of the two steel pieces, facilitating the welding of the bottom ends of the two steel pieces by the welding robot body, reducing the labor intensity of workers, and when it is necessary to turn over and weld the plates, the above technical solution starts two turnover motors, the output shafts of the two turnover motors drive two parallel T-shaped clamps to rotate through the transmission columns sleeved on the turnover motors, that is, the T-shaped clamps directly drive the plates clamped thereby to rotate by an angle corresponding to the rotation of the output shafts of the turnover motors, and when there is a slight deviation in the motors, the turnover angle of the plates will deviate, thereby affecting the subsequent welding work. Therefore, there is an urgent need for a robot with positioning function to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims to at least solve one of the technical problems existing in the prior art, and provides a robot with positioning function, which solves the problem that the turnover angle of a plate deviates when there is a slight deviation in a motor, thereby affecting the subsequent welding work.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a robot with positioning function, which comprises a workbench and two connecting seats arranged at the front and rear ends of the workbench opposite to each other, the connecting seat close to the rear end of the workbench is welded to the workbench, and the other connecting seat moves relative to the connecting seat close to the rear end of the workbench through a threaded rod penetrating through the workbench, the connecting seat in front is provided with a positioning rotation assembly;

[0006] The positioning rotating assembly comprises a connecting shaft rotating through the connecting seat, a cross ratchet fixedly sleeved on the connecting shaft, notch grooves respectively formed in four corners of the cross ratchet, a disc piece rotating in the connecting seat, and a cylindrical piece welded on the disc piece.

[0007] Preferably, the surface of the disc piece is welded with an arc-shaped piece, when the arc-shaped piece is in contact with the cross ratchet, the cylindrical piece is in a state of not being in contact with the corresponding notch groove, and when the arc-shaped piece is not in contact with the cross ratchet, the cylindrical piece is in a state of being in contact with the corresponding notch groove.

[0008] Preferably, a first motor is installed on the upper surface of the connecting seat in front position through screws, and the disc piece is fixedly sleeved on the output shaft of the first motor.

[0009] Preferably, the connecting shaft rotates through the connecting seat and extends towards the connecting seat in rear position, one side of the connecting shaft towards the connecting seat in rear position is fixedly welded with a rotating disc, and one side of the connecting seat in rear position towards the connecting shaft is rotatably connected with the same rotating disc.

[0010] Preferably, fourth motors are installed on the outer side walls of the two rotating discs, bidirectional lead screws are installed on the output shafts of the two fourth motors, the two bidirectional lead screws rotatably penetrate the corresponding rotating discs, T-shaped clamping plates are threadedly connected on the two kinds of threads of the two bidirectional lead screws, and the four T-shaped clamping plates are respectively in contact with the surfaces of the corresponding rotating discs.

[0011] Preferably, a sliding groove is formed in the front end of the workbench, the connecting seat close to the front end of the workbench moves along the sliding groove of the front end of the workbench, a second motor is installed on the front end of the workbench through screws, and the output shaft of the second motor is connected with the threaded rod.

[0012] Preferably, guide grooves are formed in the left and right sides of the workbench, lead screws are rotatably arranged in the guide grooves at the two ends of the workbench, third motors are installed on the left and right ends of the front surface of the workbench through screws, the output shafts of the two third motors are respectively connected with the corresponding lead screws, a frame is slidably arranged in the guide groove on the workbench, the left and right ends of the frame are respectively threadedly connected with the corresponding lead screws, and a welding device is installed on one side of the frame opposite to the upper surface of the workbench.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1. The robot with positioning function, through setting the cylindrical part in the positioning rotating assembly, the cylindrical part can drive the connecting shaft to rotate and the plate to rotate every time, when the first motor deviates, the redundant rotation form can be used, that is, when the first motor drives the disc part, the cross ratchet rotates, then rotates a certain angle, at this time, the cross ratchet does not move with the rotation of the disc part, so that when the motor rotates slightly deviates, it does not affect the rotation angle of the plate, that is, it can ensure that the plate can be turned over at a constant angle every time, avoiding the problem that the error of the first motor driving the plate to turn over affects the subsequent welding work.

[0015] 2. The robot with positioning function, because the lengths of different plates are inconsistent, the positions between the two connecting seats can be adjusted, that is, the distance between the two connecting seats can be adjusted by the rotation of the threaded rod to drive the connecting seat to move, so as to adjust the range of the clamped plate.

[0016] 3. The robot with positioning function, the positions to be processed by the plate are not the same, the third motor is arranged to drive the frame to adjust the position processed by the welding device on the frame, so as to adapt to the processing work of different positions. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in connection with the drawings and embodiments:

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the whole schematic diagram of the front end inside of the workbench;

[0020] Figure 3 It is the utility model Figure 2 The enlarged schematic diagram of A place in the utility model;

[0021] Figure 4 It is the utility model Figure 2 The enlarged schematic diagram of B place in the utility model.

[0022] Fig. 1, workbench; 2, screw rod; 3, frame; 4, threaded rod; 5, rotating disc; 6, connecting seat; 7, first motor; 8, second motor; 9, third motor; 10, cross ratchet; 11, notch groove; 12, arc-shaped part; 13, disc part; 14, cylindrical part; 15, connecting shaft; 16, T-shaped clamping plate; 17, bidirectional screw rod; 18, fourth motor. DETAILED DESCRIPTION

[0023] The detailed embodiments of the utility model will be described in this part, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc.

[0025] In the description of the utility model, greater than, less than, more than, etc. If the first and second are described, it is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0026] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0027] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a robot with positioning function, it include: workbench 1 and the connecting seat 6 of the front and rear two ends oppositely arranged on the workbench 1, the connecting seat 6 close to the rear end of the workbench 1 is welded on the workbench 1, another connecting seat 6 then moves relatively with the connecting seat 6 close to the rear end of workbench 1 by rotating threaded rod 4 that penetrates workbench 1, the connecting seat 6 of position in front is provided with positioning rotating assembly;

[0028] The positioning rotating assembly includes connecting shaft 15 that rotates and penetrates the connecting seat 6, cross ratchet 10 that is fixedly sleeved on the connecting shaft 15, notch slot 11 that is respectively opened in the four corners of the cross ratchet 10, disc piece 13 that is arranged to rotate in the interior of the connecting seat 6, cylindrical piece 14 that is welded on the disc piece 13, whether the cylindrical piece 14 is contacted with the notch slot 11, drives the cross ratchet 10 to carry out intermittent quantitative positioning rotation.

[0029] The surface of the disc piece 13 is welded with an arc-shaped piece 12, when the arc-shaped piece 12 is in contact with the cross ratchet wheel 10, the cylindrical piece 14 is in a state of not being in contact with the corresponding notch groove 11, when the arc-shaped piece 12 is not in contact with the cross ratchet wheel 10, the cylindrical piece 14 is in a state of being in contact with the corresponding notch groove 11.

[0030] The first motor 7 is installed on the upper part of the connecting seat 6 in front position through screw, the disc piece 13 is fixedly sleeved on the output shaft of the first motor 7.

[0031] By setting the cylindrical piece 14 in the positioning rotating assembly, the cylindrical piece 14 can drive the connecting shaft 15 to rotate 90 degrees and then drive the plate to rotate 90 degrees each time, when the first motor 7 deviates, the redundant rotation form can be used, that is, the first motor 7 drives the disc piece 13 to rotate a certain angle after the cross ratchet wheel 10 rotates 180 degrees, at this time, the cross ratchet wheel 10 will not move with the rotation of the disc piece 13, so as to ensure that the plate can be turned over at a constant angle each time, avoiding the problem that the error of the plate turning over driven by the first motor 7 affects the subsequent welding work.

[0032] The connecting shaft 15 rotates through the connecting seat 6 and extends towards the rear position of the connecting seat 6, one side of the connecting shaft 15 towards the rear position of the connecting seat 6 is fixedly welded with a rotating disc 5, one side of the rear position of the connecting seat 6 towards the connecting shaft 15 is rotatably connected with the same rotating disc 5.

[0033] The outer side wall of each of the two rotating discs 5 is provided with a fourth motor 18, the output shaft of each of the two fourth motors 18 is provided with a bidirectional screw rod 17, the two bidirectional screw rods 17 respectively rotate through the corresponding rotating disc 5, the two bidirectional screw rods 17 are respectively screwed on the two kinds of threads, and the T-shaped clamping plates 16 are respectively screwed on the two kinds of threads.

[0034] The front end of the workbench 1 is provided with a sliding groove, the connecting seat 6 close to the front end of the workbench 1 moves along the sliding groove of the front end of the workbench 1, the front end of the workbench 1 is provided with a second motor 8 through screw, and the output shaft of the second motor 8 is connected with the threaded rod 4.

[0035] The left and right sides of the workbench 1 are provided with guide grooves, and the guide grooves at both ends of the workbench 1 are rotatably provided with lead screws 2; the left and right ends of the front surface of the workbench 1 are provided with third motors 9 through screws, the output shafts of the two third motors 9 are connected with the corresponding lead screws 2 respectively, a frame 3 is slidably arranged in the guide groove on the workbench 1, the left and right ends of the frame 3 are threadedly connected with the corresponding lead screws 2 respectively, and a welding device is arranged on one side of the frame 3 relative to the upper surface of the workbench 1.

[0036] When the plate needs to be welded;

[0037] Firstly, the plate is driven to move to between the two T-shaped clamping plates 16 corresponding to the connecting seat 6 at the rear end of the workbench 1 by an external force, then the corresponding fourth motor 18 is started by an external power source, then the starting of the fourth motor 18 drives the bidirectional lead screw 17 to rotate, and the rotation of the bidirectional lead screw 17 drives the relative movement of the two T-shaped clamping plates 16 to clamp one end of the plate.

[0038] Secondly, the second motor 8 is started, the starting of the second motor 8 drives the threaded rod 4 to rotate and drives the connecting seat 6 close to the front end of the workbench 1 to move close to the plate to between the two T-shaped clamping plates 16 corresponding to the front end of the workbench 1, then the corresponding fourth motor 18 is started to drive the corresponding two T-shaped clamping plates 16 to clamp the other end of the plate.

[0039] Finally, the welding device on the frame 3 is started to process the plate.

[0040] When the plate needs to be rotated;

[0041] Firstly, the first motor 7 is started, the starting of the first motor 7 drives the disc piece 13 to rotate, the rotation of the disc piece 13 drives the cylindrical piece 14 to rotate, the rotation of the cylindrical piece 14 drives the corresponding notch groove 11 to move, the movement of the notch groove 11 drives the cross ratchet wheel 10 to rotate, the rotation of the cross ratchet wheel 10 drives the connecting shaft 15 to rotate, the rotation of the connecting shaft 15 drives the rotating disc 5 to rotate, and the rotation of the rotating disc 5 drives the corresponding plate to rotate.

[0042] It should be noted that the four corners of the cross ratchet wheel 10 are distributed at an angle of 90 degrees, that is, the cylindrical piece 14 drives the notch groove 11 to move once, and the connecting shaft 15 rotates by 90 degrees.

[0043] Due to the length inconsistency between different plates, the position between the two connecting seats 6 is adjustable, that is, the distance between the two connecting seats 6 is adjusted by rotating the threaded rod 4 to drive the connecting seat 6 to move, so as to adjust the range of the clamped plate.

[0044] The position to be processed by the plate is not the same, the frame 3 is driven by the third motor 9 to adjust the position processed by the welding device on the frame 3, so as to adapt to the processing work of different positions.

[0045] Working principle:

[0046] When the plate needs to be welded;

[0047] Firstly, the plate is driven by external force to move close to the two T-shaped clamping plates 16 corresponding to the connecting seat 6 at the rear end of the workbench 1, then the corresponding fourth motor 18 is started by external power, then the starting of the fourth motor 18 drives the bidirectional screw rod 17 to rotate, and the rotation of the bidirectional screw rod 17 drives the two T-shaped clamping plates 16 to move relatively to clamp one end of the plate.

[0048] Secondly, the second motor 8 is started, the starting of the second motor 8 drives the threaded rod 4 to rotate and drives the connecting seat 6 close to the front end of the workbench 1 to move close to the plate to the corresponding two T-shaped clamping plates 16 at the front end of the workbench 1, then the corresponding fourth motor 18 is started to drive the corresponding two T-shaped clamping plates 16 to clamp the other end of the plate.

[0049] Finally, the welding device on the frame 3 processes the plate.

[0050] When the plate needs to be rotated;

[0051] Firstly, the first motor 7 is started, the starting of the first motor 7 drives the disc piece 13 to rotate, the rotation of the disc piece 13 drives the cylindrical piece 14 to rotate, the rotation of the cylindrical piece 14 drives the corresponding notch groove 11 to move, the movement of the notch groove 11 drives the cross ratchet wheel 10 to rotate, the rotation of the cross ratchet wheel 10 drives the connecting shaft 15 to rotate, the rotation of the connecting shaft 15 drives the rotating disc 5 to rotate, and the rotation of the rotating disc 5 drives the corresponding plate to rotate.

[0052] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range of ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A robot having a positioning function, characterized by comprising: Include: Workbench (1) and the front and rear ends of the connecting seat (6) are arranged opposite to the workbench (1), the connecting seat (6) near the rear end of the workbench (1) is welded on the workbench (1), and the other connecting seat (6) is relatively moved with the connecting seat (6) near the rear end of the workbench (1) through the threaded rod (4) rotating through the workbench (1), the connecting seat (6) in front of the position is provided with a positioning rotating assembly; The positioning rotating assembly includes a connecting shaft (15) rotating through the connecting seat (6), a cross ratchet (10) fixedly sleeved on the connecting shaft (15), a notch slot (11) respectively formed in the four corners of the cross ratchet (10), a disc piece (13) rotating in the connecting seat (6), and a cylindrical piece (14) welded on the disc piece (13). The cylindrical piece (14) is in contact with the notch slot (11) to drive the cross ratchet (10) to rotate intermittently and quantitatively.

2. The robot with positioning function according to claim 1, characterized in that: The surface of the disc piece (13) is welded with an arc-shaped piece (12), when the arc-shaped piece (12) is in contact with the cross ratchet (10), the cylindrical piece (14) is not in contact with the corresponding notch slot (11), and when the arc-shaped piece (12) is not in contact with the cross ratchet (10), the cylindrical piece (14) is in contact with the corresponding notch slot (11).

3. The robot with positioning function according to claim 2, characterized in that: The first motor (7) is installed on the connecting seat (6) in front of the position through screws, and the disc piece (13) is fixedly sleeved on the output shaft of the first motor (7).

4. The robot with positioning function according to claim 3, characterized in that: The connecting shaft (15) rotates through the connecting seat (6) and extends towards the connecting seat (6) in the rear position, and the connecting shaft (15) is fixedly welded with a rotating disc (5) on one side of the connecting seat (6) in the rear position. The side of the connecting seat (6) in the rear position towards the connecting shaft (15) is rotatably connected with the same rotating disc (5).

5. The robot with positioning function according to claim 4, characterized in that: The fourth motor (18) is installed on the outer side wall of the two rotating discs (5), the output shaft of the two fourth motors (18) is provided with a bidirectional screw (17), the two bidirectional screws (17) are rotatably connected with the corresponding rotating discs (5), and the two bidirectional screws (17) are screw-connected with T-shaped clamps (16) on the two threads.

6. The robot with positioning function according to claim 1, characterized in that: The front end of the workbench (1) is provided with a sliding groove, the connecting seat (6) near the front end of the workbench (1) moves along the sliding groove of the front end of the workbench (1), and the front end of the workbench (1) is provided with a second motor (8) through screws. The output shaft of the second motor (8) is connected with the threaded rod (4).

7. The robot with positioning function according to claim 6, characterized in that: Both sides of the workbench (1) are provided with guide grooves, the guide grooves at both ends of the workbench (1) are rotatably provided with lead screws (2), the front surface of the workbench (1) is provided with third motors (9) at both ends through screws, the output shafts of the two third motors (9) are connected with the corresponding lead screws (2) respectively, the guide grooves on the workbench (1) are slidably provided with frames (3), the left and right ends of the frame (3) are threadedly connected with the corresponding lead screws (2) respectively, and the side of the frame (3) opposite to the upper surface of the workbench (1) is provided with a welding device.

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