Automatic robot welding machine

Abstract

The utility model discloses an automatic robot welding machine, which comprises a mechanical arm, a welding gun, a guide mechanism and a transfer mechanism capable of horizontally moving on the guide mechanism, the welding gun is mounted at the tail joint of the mechanical arm, the guide mechanism comprises a plurality of guide seats spliced together, and the transfer mechanism is mounted on the mechanical arm. Positioning inserting grooves are symmetrically formed in one side face of the guide seat along the central axis of the guide seat, inserting blocks which are matched with the positioning inserting grooves and located on the same axis with the positioning inserting grooves are arranged on the other side face of the guide seat, a rack is arranged on the inner wall of the guide seat in the length direction of the guide seat, and the transferring mechanism comprises a bottom plate, a servo motor and a gear meshed with the rack. And the bottom plate is arranged above the guide seat. The rack and the gear are matched to serve as a transmission transferring part of the mechanical arm, the length can be infinitely spliced according to actual requirements, so that the welding requirements of different products are met, only the length of the rack and the length of the track need to be increased, and the overall replacement cost can be saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to welding technical field, concretely is a kind of automatic robot welding machine. BACKGROUND

[0002] In the production and manufacture of mechanical equipment, different parts are often connected and installed, and welding is a common connection and fixing method. To improve welding efficiency and welding accuracy, welding robots are used in workshops.

[0003] Currently, in order to improve the welding range of the welding robot, a moving mechanism is designed at the bottom of the robot to drive it to move horizontally. The moving range of the moving mechanism is fixed, such as a lead screw moving mechanism. When welding different size products (such as different pipes), the mechanical arm or moving mechanism matching the product needs to be replaced, which greatly increases the cost and cannot meet the growing use demand of users. INVENTION CONTENTS

[0004] The utility model aims at: in order to solve the problem proposed above, provide a kind of automatic robot welding machine.

[0005] The technical scheme adopted by the utility model is as follows: an automatic robot welding machine includes a mechanical arm, a welding gun, a guide mechanism and a moving mechanism that can move horizontally on the guide mechanism. The welding gun is installed at the tail joint of the mechanical arm. The guide mechanism includes several guide seats that are spliced together. A positioning slot is symmetrically formed on one side of the guide seat along the axis. The other side of the guide seat is provided with an insert block that is adapted to the positioning slot and is on the same axis. A rack is provided on the inner wall of the guide seat along its length direction. The moving mechanism includes a bottom plate, a servo motor and a gear that engages with the rack. The bottom plate is provided above the guide seat. The servo motor is installed vertically on the bottom plate. The output end of the servo motor passes through the bottom plate and is connected with the gear.

[0006] In a preferred embodiment, the upper surface of the guide seat is symmetrically provided with a track along the axis. The bottom of the bottom plate is provided with a sliding block that can slide on the track.

[0007] In a preferred embodiment, it further includes a fixed plate with a light hole. A plurality of threaded holes are symmetrically formed on the outer wall of the guide seat. The guide seats are locked together by the fixed plate and screws.

[0008] In a preferred embodiment, the base of the mechanical arm is locked on the bottom plate by a plurality of bolts.

[0009] In a preferred embodiment, the mechanical arm is a six-degree-of-freedom mechanical arm.

[0010] In a preferred embodiment, the four corners of the bottom of the guide seat are provided with adjustable foot cups, the side of the cup body of the adjustable foot cup is provided with a mounting plate, the bottom surface of the mounting plate is in the same horizontal line as the bottom surface of the cup body, and the mounting plate is provided with mounting holes.

[0011] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are as follows: in the present application, the rack and pinion structure is used as the transmission and moving part of the mechanical arm, the length of the rack can be infinitely spliced according to actual requirements, thereby being suitable for welding requirements of products of different lengths, and only the rack and the track need to be added or reduced, without the need for additional electrical control parts, and the overall replacement cost can be saved, and the present product does not have the above advantages. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a schematic diagram of the overall three-dimensional structure of the present application;

[0013] Fig. 2 It is a schematic diagram of the three-dimensional structure of the guide seat in the present application;

[0014] Fig. 3 It is a schematic diagram of the front view of the guide seat in the present application.

[0015] Marked in the figure: 1-mechanical arm, 2-welding gun, 3-guide mechanism, 31-guide seat, 32-track, 33-rack, 34-adjustable foot cup, 35-mounting plate, 36-positioning slot, 37-insert block, 38-threaded hole, 4-moving mechanism, 41-bottom plate, 42-servo motor, 43-sliding block, 5-fixing plate. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the present application more clear and explicit, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0017] Referring to Figs. 1-3 An automatic robot welding machine, comprising a mechanical arm 1, a welding gun 2, a guide mechanism 3 and a moving mechanism 4 which can move horizontally on the guide mechanism 3, wherein the welding gun 2 is installed at the tail joint of the mechanical arm 1, and through the cooperation of the mechanical arm 1 and the moving mechanism 4, the welding gun 2 can be moved in the horizontal direction and at multiple angles, thereby being suitable for welding operations of different products.

[0018] Further, the guide mechanism 3 comprises a plurality of guide bases 31 spliced together, the inner wall of the guide base 31 is provided with a rack 33 along the length direction thereof, the transfer mechanism 4 comprises a bottom plate 41, a servo motor 42 and a gear 42 engaged with the rack 33, the bottom plate 41 is arranged above the guide base 31, the servo motor 42 is vertically arranged on the bottom plate 41, the base of the mechanical arm 1 is locked on the bottom plate 41 by a plurality of bolts, the output end of the servo motor 42 penetrates through the bottom plate 41 and is connected with the gear 42, the upper surface of the guide base 31 is symmetrically provided with a track 32 along the central axis thereof, the bottom of the bottom plate 41 is correspondingly provided with a sliding block 43 which can slide on the track 32, the rack 33, the gear 42 and other structures are used as the transmission and transfer part of the mechanical arm 1, when moving, the gear 42 is driven by the servo motor 42 to rotate forward and reversely, in the process of rotation, the gear 42 can move along the rack 33, and at the same time, the cooperation of the sliding block 43 and the track 32 can assist the movement of the mechanical arm 1, which can ensure the stable effect of the left and right movement of the mechanical arm 1, and the length of the rack 33 and the track 32 can be infinitely spliced according to actual needs, so as to be suitable for the welding needs of products of different lengths, and only the rack 33 and the track 32 need to be increased or decreased, without the need of additional electric control part, which can also save the overall replacement cost, and has the advantages that the current products do not have.

[0019] Further, one side of the guide base 31 is symmetrically provided with a positioning slot 36 along the central axis thereof, the other side of the guide base 31 is provided with an insertion block 37 which is adapted to the positioning slot 36 and is on the same axis, the cooperation of the insertion block 37 and the positioning slot 36 can ensure the accuracy when the two guide bases 31 are spliced, so as to ensure that the racks 33 and the tracks 32 can be completely aligned, thereby ensuring the safety of subsequent use.

[0020] Further, it further comprises a fixed plate 5 with a light hole, a plurality of threaded holes 38 are symmetrically arranged on the outer wall of the guide base 31, two guide bases 31 are fixed together by the fixed plate 5 and screws, when the guide base 31 is one, the guide base 31 can be omitted or fixed on the guide base 31, which is not limited herein, the two guide bases 31 can be fixed together by the fixed plate 5.

[0021] Further, the mechanical arm 1 is a six-degree-of-freedom mechanical arm, since the six-degree-of-freedom mechanical arm has high degree of freedom,

[0022] which can drive the welding gun to move in multiple angles and multiple directions, so as to realize welding operation in multiple positions and angles.

[0023] Further, the adjustable foot cup 34 is provided at the bottom of the four corners of the guide seat 31, the cup body side of the adjustable foot cup 34 is provided with a mounting plate 35, the bottom surface of the mounting plate 35 is on the same horizontal line with the bottom surface of the cup body, mounting holes are formed on the mounting plate 35, the height and the levelness of the guide mechanism can be adjusted according to different sites through the adjustable foot cup 34, and the mounting plate 35 designed can be fixed on the ground of the site by using bolts after the height and the levelness are adjusted, so that the stability of the guide mechanism after installation is ensured.

[0024] Among them, the adjustable foot cup 34 is a technology that has been realized, and the specific structure is not specifically described here.

[0025] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automated robotic welder characterized by, The application relates to a welding device, which comprises a mechanical arm, a welding gun, a guide mechanism and a transfer mechanism capable of moving horizontally on the guide mechanism, wherein the welding gun is installed at the tail joint of the mechanical arm, the guide mechanism comprises a plurality of guide bases spliced together, one side surface of the guide base is symmetrically provided with a positioning slot along an axis, the other side surface of the guide base is provided with an insertion block matched with the positioning slot and located on the same axis, the inner wall of the guide base is provided with a rack along the length direction, the transfer mechanism comprises a bottom plate, a servo motor and a gear engaged with the rack, the bottom plate is arranged above the guide base, the servo motor is vertically installed on the bottom plate, and the output end of the servo motor penetrates through the bottom plate and is connected with the gear.

2. An automated robotic welding machine as defined in claim 1, wherein: The upper surface of the guide base is symmetrically provided with a track along the axis, and the bottom of the bottom plate is correspondingly provided with a sliding block capable of sliding on the track.

3. An automated robotic welding machine as defined in claim 1, wherein: The guide base is further provided with a fixed plate with a light hole, the outer wall surface of the guide base is symmetrically provided with a plurality of threaded holes, and the guide bases are locked together by the fixed plate and screws.

4. An automated robotic welding machine as defined in claim 1, wherein: The base of the mechanical arm is locked on the bottom plate by a plurality of bolts.

5. An automated robotic welding machine as defined in claim 1, wherein: The mechanical arm is a six-degree-of-freedom mechanical arm.

6. An automated robotic welding machine as defined in claim 1, wherein: The adjustable foot cup is provided with a cup body, the side surface of the cup body is provided with a mounting plate, the bottom surface of the mounting plate is on the same horizontal line with the bottom surface of the cup body, and the mounting plate is provided with a mounting hole.

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