Round pipe welding rapid positioning mechanism for welding robot

Abstract

The invention discloses a round pipe welding rapid positioning mechanism for a welding robot, and relates to the technical field of welding positioning, the round pipe welding rapid positioning mechanism comprises a welding table, the top of the welding table is provided with a welding mechanism, a positioning mechanism and a cleaning mechanism, the welding table comprises a table top, the welding mechanism comprises a welding head, and the welding head is arranged above the table top. The positioning sliding rails are matched with the positioning rail grooves to provide the sliding mounting and guiding functions for the positioning frames, the air cylinders provide the pneumatic telescopic control effect, telescopic sliding adjustment is achieved through connection of the sliding adjusting blocks, the distance between the two positioning frames can be rapidly adjusted according to the length of a circular pipe, and the positioning efficiency is improved. The two-way lead screw is driven by the motor to rotate, then the two sets of sliding blocks are driven to oppositely slide and adjust on the inner side of the positioning frame, then clamping and positioning of the circular pipes are conveniently achieved through the clamping blocks, and the clamping blocks can clamp the circular pipes with different diameters.

Description

Technical Field

[0001] The invention relates to the technical field of welding positioning, in particular to a round pipe welding rapid positioning mechanism for a welding robot. Background Art

[0002] As a future direction of building development, steel structure has the advantages of fast construction and high structural strength. Steel structure buildings use various steel structure parts, such as round tubes, rectangular tubes, I-beams, etc. Before welding, round tubes often need to be effectively positioned.

[0003] In the prior art, for example, the patent application number: CN201921073227.3 of "A round tube welding positioning tool" includes a working platform, a first positioning mechanism fixed to the upper end of the working platform, and a second positioning mechanism slidably arranged at the upper end of the working platform; the first positioning mechanism includes a base plate, a first push plate and a second push plate slidably arranged at the upper end of the base plate, and a clamping member plugged and fixed to one side of the first push plate and the second push plate, and the base plate also has a circular groove for placing round tube one, and the first push plate and the second push plate approach the circular groove and position round tube one through the clamping member. The first positioning mechanism is used to fix round tube one, and round tube one is arranged vertically, and the second positioning mechanism is used to fix round tube two, and round tube two is arranged horizontally, which is beneficial to improve production efficiency and welding accuracy compared with manual positioning.

[0004] The existing round tube welding positioning mechanism of the welding robot cannot achieve fast and accurate positioning processing, which leads to low positioning efficiency of the welding work and is not convenient for rapid adjustment, which in turn affects the welding efficiency of the welding robot, resulting in a decrease in the overall production progress. In view of the above problems, a round tube welding rapid positioning mechanism for a welding robot is proposed. Summary of the invention

[0005] The object of the present invention is to provide a quick positioning mechanism for round tube welding of a welding robot, so as to solve the problem that the prior art proposed in the above background technology cannot achieve fast and accurate positioning processing during operation, which leads to low efficiency of welding work positioning and inconvenience in rapid adjustment, thereby affecting the welding efficiency of the welding robot and causing a decrease in the overall production progress.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a round pipe welding quick positioning mechanism for a welding robot, comprising a welding table, a welding mechanism, a positioning mechanism and a cleaning mechanism are arranged on the top of the welding table, the welding table comprises a table top, the welding mechanism comprises a welding head, and the welding head is arranged above the table top, and the welding head is arranged above the table top to realize the welding function, which is helpful for welding work; The positioning mechanism comprises a positioning slide rail, a positioning rail groove is provided on the top of the positioning slide rail, cylinders are arranged at both ends of the positioning slide rail, a sliding adjustment block is connected to the output end of the cylinder, a positioning frame is installed on the top of the sliding adjustment block, a sliding block is symmetrically and movably installed on the inner side of the positioning frame, a clamping block is arranged on the top of the sliding block, a bidirectional screw rod is threadedly connected to the inner side of the sliding block, one end of the bidirectional screw rod is connected to a motor, and the motor is installed at one end of the positioning frame, and the positioning slide rail cooperates with the positioning rail groove to provide sliding installation and guiding functions for the positioning frame, and the cylinder provides the function of pneumatic telescopic control, and the telescopic sliding adjustment is realized by connecting the sliding adjustment block with the sliding adjustment block, so as to facilitate the rapid adjustment of the spacing between the two groups of positioning frames according to the length of the round tube, thereby improving the efficiency of the sliding adjustment, and the bidirectional screw rod is driven to rotate by the motor, thereby driving the two groups of sliding blocks to slide oppositely on the inner side of the positioning frame, thereby facilitating the clamping and positioning of the round tube by the clamping block, wherein the clamping block can clamp round tubes of different diameters, thereby improving the clamping range and ensuring the clamping effect.

[0007] The top of the U-shaped frame is connected to the bottom of the positioning frame, and suction force is generated by the fan inside the dust suction hood, which is connected to the U-shaped frame through the suction groove at the bottom of the U-shaped frame, and then the dust, impurities and residues on the positioning mechanism are sucked in and transported to the internal storage of the cleaning box through the suction groove at the bottom of the U-shaped frame. At the same time, the cleaning brush moves synchronously during the movement of the positioning frame, which is beneficial to the synchronous cleaning and brushing operation on the positioning slide rail, which is beneficial to provide a high-efficiency cleaning function, improve the cleaning effect, ensure the stable and accurate operation of the positioning mechanism, and avoid the problem of reduced positioning effect caused by residual dust falling into the inner side of the positioning mechanism.

[0008] Preferably, a plurality of anti-slip strips are evenly distributed on the inner side of the clamping block, and a sliding guide block is symmetrically arranged on the bottom of the positioning frame. The sliding guide block is slidably connected to the top of the positioning slide rail. The anti-slip strips are distributed on the inner side of the clamping block, which is beneficial to improving the anti-slip performance, ensuring accurate and stable clamping positioning, and improving the stability of use.

[0009] Preferably, a plurality of ventilation grilles are evenly arranged on the top of the dust hood, and a filter is provided at the bottom of the fan, and ventilation is provided through the ventilation grilles, thereby ensuring air discharge to achieve a complete dust removal and cleaning function.

[0010] Preferably, a cleaning cabin is provided on the inner side of the cleaning box, the filter is arranged above the cleaning cabin, a cover is movably installed at one end of the cleaning box, a transparent plate is arranged on the side of the cover, and a storage space for residual dust is provided through the cleaning cabin. The cover and the transparent plate are conducive to providing a sealing function, and the transparent plate is used to facilitate viewing the storage capacity from the outside. When the storage capacity is too much, the cover can be opened to quickly clean the inside.

[0011] Preferably, the welding mechanism further comprises a mounting plate, the bottom of which is connected to the top of the table, and the mounting plate provides a stable mounting effect for the welding robot, thereby ensuring stable operation.

[0012] Preferably, a rotating seat is provided on the top of the mounting plate, and a rotating motor is provided on the top of the rotating seat. The rotating seat is rotatably connected to the rotating motor, which facilitates the provision of a steering adjustment function, thereby facilitating the improvement of the range of welding operations and ensuring welding efficiency.

[0013] Preferably, a mechanical arm is provided on the top of the rotating motor, one end of which is connected to the welding head. The mechanical arm provides extension and position adjustment functions, so as to facilitate controlling the movement of the welding head to a suitable position for welding.

[0014] Preferably, support frames are fixedly installed at the four corners of the bottom of the table top, and fixed feet are installed at the bottom of the support frame. The support frame cooperates with the fixed feet to provide stable support for the table top, which facilitates the installation of welding equipment in the working area for efficient welding work.

[0015] Preferably, hinges are symmetrically installed on the top of the cover plate, and the sides of the hinges are connected to one end of the cleaning box. The hinges facilitate the installation of the cover plate and also facilitate the rotation, opening and closing of the cover plate, thereby improving the convenience of operation.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the positioning rail cooperates with the positioning rail groove to provide the positioning frame with the function of sliding installation and guiding, the cylinder provides the function of pneumatic telescopic control, and the sliding adjustment block is connected with the sliding adjustment block to realize telescopic sliding adjustment, which is convenient for quickly adjusting the distance between the two groups of positioning frames according to the length of the round tube, thereby improving the efficiency of sliding adjustment, and the two-way screw rod is driven to rotate by the motor, thereby driving the two groups of sliding blocks to slide in opposite directions on the inner side of the positioning frame, thereby facilitating the clamping and positioning of the round tube by the clamping block, wherein the clamping block can clamp round tubes of different diameters, thereby improving the clamping range and ensuring the clamping effect.

[0017] 2. In the present invention, suction is generated by the operation of the fan inside the dust hood, which is connected to the U-shaped frame through a hose, and then the dust, impurities and residues on the positioning mechanism are sucked in through the suction grooves provided at the bottom of the U-shaped frame and transported to the internal storage of the cleaning box. At the same time, the cleaning brush moves synchronously during the movement of the positioning frame, which is beneficial to the synchronous cleaning operation on the positioning slide rail, and is beneficial to provide a high-efficiency cleaning function, improve the cleaning effect, ensure the stable and accurate operation of the positioning mechanism, and avoid the problem of reduced positioning effect due to residual dust falling into the inner side of the positioning mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a round pipe welding rapid positioning mechanism for a welding robot according to the present invention; Figure 2 This is a schematic structural diagram from another angle of a round tube welding rapid positioning mechanism for a welding robot according to the present invention; Figure 3 It is a partial structural schematic diagram of a round tube welding rapid positioning mechanism for a welding robot according to the present invention; Figure 4 This is a schematic structural diagram of a cleaning component of a round tube welding rapid positioning mechanism for a welding robot according to the present invention; Figure 5 For the present invention Figure 4 A is an enlarged structural diagram; Figure 6 The present invention is a schematic diagram of a partial cross-sectional structure of a cleaning component of a round tube welding rapid positioning mechanism for a welding robot.

[0019] In the figure: 1. Welding table; 101. Table; 102. Support frame; 103. Fixed foot; 2. Welding mechanism; 201. Mounting plate; 202. Rotating seat; 203. Rotating motor; 204. Robotic arm; 205. Welding head; 3. Positioning mechanism; 301. Positioning slide rail; 302. Positioning rail groove; 303. Cylinder; 304. Sliding adjustment block; 305. Positioning frame; 306. Sliding block; 307. Clamping block; 308. Anti-slip strip; 309. Bidirectional screw rod; 310. Motor; 4. Cleaning mechanism; 401. Cleaning box; 402. Dust hood; 403. Ventilation grille; 404. Fan; 405. Filter; 406. Cleaning cabin; 407. Cover plate; 408. Transparent plate; 409. Hose; 410. U-shaped frame; 411. Suction notch; 412. Cleaning brush. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Example 1: Reference Figure 1-Figure 6 As shown: a round pipe welding quick positioning mechanism for a welding robot, comprising a welding table 1, a welding mechanism 2, a positioning mechanism 3 and a cleaning mechanism 4 are arranged on the top of the welding table 1, the welding table 1 comprises a table top 101, the welding mechanism 2 comprises a welding head 205, and the welding head 205 is arranged above the table top 101. The welding head 205 is arranged above the table top 101 to realize the welding function, which is helpful for welding work; The positioning mechanism 3 includes a positioning rail 301, a positioning rail groove 302 is provided on the top of the positioning rail 301, cylinders 303 are provided at both ends of the positioning rail 301, the output end of the cylinder 303 is connected to a sliding adjustment block 304, a positioning frame 305 is installed on the top of the sliding adjustment block 304, a sliding block 306 is symmetrically and movably installed on the inner side of the positioning frame 305, a clamping block 307 is provided on the top of the sliding block 306, a bidirectional screw rod 309 is threadedly connected to the inner side of the sliding block 306, one end of the bidirectional screw rod 309 is connected to a motor 310, and the motor 310 is installed at one end of the positioning frame 305, and the positioning rail 301 cooperates with the positioning rail groove 302 to align the positioning frame 30 5 provides the function of sliding installation and guiding, provides the function of pneumatic telescopic control through the cylinder 303, realizes telescopic sliding adjustment through the sliding adjustment block 304 connected with the sliding adjustment block 304, facilitates the rapid adjustment of the spacing between the two groups of positioning frames 305 according to the length of the round tube, thereby improving the efficiency of sliding adjustment, drives the two-way screw rod 309 to rotate through the motor 310, thereby driving the two groups of sliding blocks 306 to slide in opposite directions on the inner side of the positioning frame 305, thereby facilitating the clamping and positioning of the round tube through the clamping block 307, wherein the clamping block 307 can clamp round tubes of different diameters, thereby improving the clamping range and ensuring the clamping effect.

[0022] like Figure 1 , Figure 2 , Figure 5 and Figure 6As shown, the cleaning mechanism 4 includes a cleaning box 401, a dust cover 402 is arranged on the top of the cleaning box 401, a fan 404 is arranged on the inner side of the dust cover 402, two hoses 409 are fixedly connected to one side of the cleaning box 401, one end of the hose 409 is connected to a U-shaped frame 410, the bottom of the U-shaped frame 410 is symmetrically provided with suction slots 411, a plurality of cleaning brushes 412 are evenly distributed on the bottom of the U-shaped frame 410, the top of the U-shaped frame 410 is connected to the bottom of the positioning frame 305, the fan 404 inside the dust cover 402 generates suction, and the dust is sucked through the hose. 409 is connected to the U-shaped frame 410, and the dust, impurities and residues on the positioning mechanism 3 are sucked in and transported to the internal storage of the cleaning box 401 through the suction groove 411 provided at the bottom of the U-shaped frame 410. At the same time, the cleaning brush 412 moves synchronously during the movement of the positioning frame 305, which is beneficial to the synchronous cleaning operation on the positioning slide rail 301, thereby providing a high-efficiency cleaning function, improving the cleaning effect, ensuring the stable and accurate operation of the positioning mechanism 3, and avoiding the problem of reduced positioning effect due to residual dust falling into the inner side of the positioning mechanism 3.

[0023] like Figure 3 and Figure 4 As shown, a plurality of anti-slip strips 308 are evenly distributed on the inner side of the clamping block 307, and a sliding guide block is symmetrically arranged on the bottom of the positioning frame 305. The sliding guide block is slidably connected to the top of the positioning rail 301. The anti-slip strips 308 are distributed on the inner side of the clamping block 307, which is beneficial to improving the anti-slip performance, ensuring accurate and stable clamping positioning, and improving the stability of use.

[0024] like Figure 6 As shown, a plurality of ventilation grilles 403 are evenly arranged on the top of the dust hood 402, and a filter screen 405 is arranged at the bottom of the fan 404. The ventilation grilles 403 provide ventilation, thereby ensuring air discharge to achieve a complete dust removal and cleaning function.

[0025] like Figure 6 As shown, a cleaning cabin 406 is provided on the inner side of the cleaning box 401, a filter screen 405 is arranged above the cleaning cabin 406, a cover plate 407 is movably installed at one end of the cleaning box 401, and a transparent plate 408 is provided on the side of the cover plate 407. The cleaning cabin 406 provides a storage space for residual dust, and the cover plate 407 and the transparent plate 408 are conducive to providing a sealing function. At the same time, the transparent plate 408 makes it easy to check the storage capacity from the outside. When the storage capacity is too much, the cover plate 407 can be opened to quickly clean the inside.

[0026] like Figure 1As shown, the welding mechanism 2 also includes a mounting plate 201, the bottom of which is connected to the top of the table 101. The mounting plate 201 provides a stable mounting function for the welding robot, thereby ensuring stable operation.

[0027] like Figure 1 As shown, a rotating seat 202 is arranged on the top of the mounting plate 201, and a rotating motor 203 is arranged on the top of the rotating seat 202. The rotating seat 202 is rotatably connected to the rotating motor 203, which facilitates the provision of the steering adjustment function, thereby facilitating the improvement of the range of welding operations and ensuring the efficiency of welding.

[0028] like Figure 1 As shown, a mechanical arm 204 is arranged on the top of the rotating motor 203, and one end of the mechanical arm 204 is connected to the welding head 205. The mechanical arm 204 provides extension and position adjustment functions, so as to facilitate the control of the welding head 205 to move and adjust to a suitable position for welding.

[0029] like Figure 1 and Figure 2 As shown, support frames 102 are fixedly installed at the four corners of the bottom of the table 101, and fixed feet 103 are installed at the bottom of the support frame 102. The support frame 102 cooperates with the fixed feet 103 to provide stable support for the table 101, making it convenient to install the welding equipment in the working area for efficient welding work.

[0030] like Figure 6 As shown, hinges are symmetrically installed on the top of the cover 407, and the sides of the hinges are connected to one end of the cleaning box 401. The hinges facilitate the installation of the cover 407, and also facilitate the rotation, opening and closing of the cover 407, thereby improving the convenience of operation.

[0031] In the present invention, when the round pipe welding rapid positioning mechanism for the welding robot is in use, the positioning slide rail 301 first cooperates with the positioning rail groove 302 to provide the positioning frame 305 with the function of sliding installation and guiding, and the cylinder 303 provides the function of pneumatic telescopic control, and the sliding adjustment block 304 is connected with the sliding adjustment block 304 to realize telescopic sliding adjustment, so as to facilitate the rapid adjustment of the spacing between the two groups of positioning frames 305 according to the length of the round pipe, thereby improving the efficiency of the sliding adjustment, and the two-way screw rod 309 is driven to rotate by the motor 310, thereby driving the two groups of sliding blocks 306 to slide in opposite directions on the inner side of the positioning frame 305, thereby facilitating the clamping and positioning of the round pipe by the clamping block 307, wherein the clamping block 307 can clamp round pipes of different diameters, and the anti-slip strips 308 are distributed on the inner side of the clamping block 307, which is conducive to improving the anti-slip performance and ensuring accurate and stable clamping and positioning, and the welding machine is mounted on the mounting plate 201 The robot provides a stable installation function and ensures stable operation. The rotating seat 202 is rotatably connected to the rotating motor 203, which facilitates the steering adjustment function, thereby facilitating the improvement of the range of welding operations and ensuring the efficiency of welding. The mechanical arm 204 provides extension and position adjustment functions, which facilitates the control of the welding head 205 to move and adjust to a suitable position for welding. The fan 404 inside the dust hood 402 generates suction, which is connected to the U-shaped frame 410 through the hose 409, and then the dust, impurities and residues on the positioning mechanism 3 are sucked in and transported to the internal storage of the cleaning box 401 through the suction groove 411 provided at the bottom of the U-shaped frame 410. At the same time, the cleaning brush 412 moves synchronously during the movement of the positioning frame 305, which is conducive to the synchronous cleaning operation on the positioning slide rail 301, thereby facilitating the provision of a high-efficiency cleaning function, improving the cleaning effect, and ensuring the stable and accurate operation of the positioning mechanism 3.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. 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 round tube welding rapid positioning mechanism for a welding robot, comprising a welding table (1), characterized in that: A welding mechanism (2), a positioning mechanism (3) and a cleaning mechanism (4) are arranged on the top of the welding table (1); the welding table (1) comprises a table top (101); the welding mechanism (2) comprises a welding head (205); and the welding head (205) is arranged above the table top (101); The positioning mechanism (3) comprises a positioning rail (301), a positioning rail groove (302) is formed on the top of the positioning rail (301), cylinders (303) are arranged at both ends of the positioning rail (301), the output end of the cylinder (303) is connected to a sliding adjustment block (304), a positioning frame (305) is installed on the top of the sliding adjustment block (304), a sliding block (306) is symmetrically and movably installed on the inner side of the positioning frame (305), a clamping block (307) is arranged on the top of the sliding block (306), a bidirectional screw rod (309) is threadedly connected to the inner side of the sliding block (306), one end of the bidirectional screw rod (309) is connected to a motor (310), and the motor (310) is installed on one end of the positioning frame (305).

2. The round pipe welding rapid positioning mechanism for a welding robot according to claim 1, characterized in that: The cleaning mechanism (4) comprises a cleaning box (401), a dust hood (402) is arranged on the top of the cleaning box (401), a fan (404) is arranged on the inner side of the dust hood (402), two hoses (409) are fixedly connected to one side of the cleaning box (401), one end of the hose (409) is connected to a U-shaped frame (410), suction slots (411) are symmetrically provided at the bottom of the U-shaped frame (410), a plurality of cleaning brushes (412) are evenly distributed at the bottom of the U-shaped frame (410), and the top of the U-shaped frame (410) is connected to the bottom of the positioning frame (305).

3. The round pipe welding rapid positioning mechanism for a welding robot according to claim 1, characterized in that: A plurality of anti-slip strips (308) are evenly distributed on the inner side of the clamping block (307), and a sliding guide block is symmetrically arranged at the bottom of the positioning frame (305), and the sliding guide block is slidably connected to the top of the positioning slide rail (301).

4. The round pipe welding rapid positioning mechanism for a welding robot according to claim 2, characterized in that: A plurality of ventilation grilles (403) are evenly arranged on the top of the dust hood (402), and a filter screen (405) is arranged at the bottom of the fan (404).

5. The round pipe welding rapid positioning mechanism for a welding robot according to claim 4, characterized in that: A cleaning cabin (406) is provided on the inner side of the cleaning box (401), the filter screen (405) is arranged above the cleaning cabin (406), a cover plate (407) is movably mounted on one end of the cleaning box (401), and a transparent plate (408) is arranged on the side of the cover plate (407).

6. The round pipe welding rapid positioning mechanism for a welding robot according to claim 1, characterized in that: The welding mechanism (2) further comprises a mounting plate (201), the bottom of the mounting plate (201) being connected to the top of the table top (101).

7. The round pipe welding rapid positioning mechanism for a welding robot according to claim 6, characterized in that: A rotating seat (202) is arranged on the top of the mounting plate (201), and a rotating motor (203) is arranged on the top of the rotating seat (202).

8. The round pipe welding rapid positioning mechanism for a welding robot according to claim 7, characterized in that: A mechanical arm (204) is provided on the top of the rotating motor (203), and one end of the mechanical arm (204) is connected to a welding head (205).

9. The round pipe welding rapid positioning mechanism for a welding robot according to claim 1, characterized in that: Support frames (102) are fixedly mounted at the four corners of the bottom of the tabletop (101), and fixed feet (103) are mounted at the bottom of the support frame (102).

10. The round pipe welding rapid positioning mechanism for a welding robot according to claim 5, characterized in that: Hinges are symmetrically mounted on the top of the cover plate (407), and the sides of the hinges are both connected to one end of the cleaning box (401).

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