CN116275492A

CN116275492A - Large-caliber pipe laser welding equipment

Info

Publication number: CN116275492A
Application number: CN202310057889.6A
Authority: CN
Inventors: 张安明; 张安国; 马鑫海
Original assignee: Shandong Dato Cnc Equipment Co ltd
Current assignee: Shandong Dato Cnc Equipment Co ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-06-23

Abstract

The invention relates to the technical field of laser welding equipment, in particular to large-caliber pipe laser welding equipment which comprises a translation structure, a mounting frame, a rotating structure, a fixing structure, an adjusting structure, a laser welding structure and a driving structure; be equipped with the fixed knot who is used for fixed tubular product on the rotating-structure that is used for driving the tubular product rotation, convenient to use fork truck or hoist carry two tubular products to fixed knot construct in, fix tubular product through fixed knot constructs, make tubular product be in rotating-structure central point put simultaneously, it is rotatory to drive tubular product through driving structure drive rotating-structure, be convenient for audio-visual reflection welding position, when breaking down, reduce the loss, be fixed with the installing frame on the translation structure, the setting of translation structure is convenient for adjust the horizontal position of installing frame, be convenient for with two distance of tubular product readjustment after two tubular product are fixed, make the operation more convenient and flexible.

Description

Large-caliber pipe laser welding equipment

Technical Field

The invention relates to the technical field of laser welding equipment, in particular to large-caliber pipe laser welding equipment.

Background

The laser welder is a machine for laser welding material, and is characterized by that it utilizes high-energy laser pulse to locally heat material in micro area, and utilizes the energy of laser radiation to make internal diffusion of the material, and after the material is melted, a specific molten pool is formed, for example, when the large-caliber pipe material is welded, the ends of two pipe materials are fixed by means of fixture, so that the distance between the pipe materials can be fixed, then the laser welding head can be moved on the circular track around the pipe material.

However, when the laser welding head rotates to the bottom end and the side lower part of the pipe, the welding condition is inconvenient to observe, when the welding is in error, the laser welding head continues to weld, the pipe is damaged, the secondary construction is inconvenient, the position of the pipe needs to be adjusted by using a lifting tool in the pipe fixing process, the flexibility is poor, the height of the pipe needs to be adjusted after the pipe is fixed, the pipe is positioned at the welding center, and the operation is complex.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a large-caliber pipe laser welding device.

The technical scheme adopted for solving the technical problems is as follows: the large-caliber pipe laser welding equipment comprises two translation structures, wherein an installation frame is fixed on the translation structures, a driving structure for driving a rotating structure is arranged in the installation frame, and a fixing structure for fixing the pipe is arranged on the rotating structure for driving the pipe to rotate; an adjusting structure for adjusting the position of the laser welding structure is arranged on one of the translation structures;

the rotary structure comprises wheel frames, two wheel frames are slidably arranged on the mounting frame, screw rods are connected to the wheel frames in a threaded mode, the screw rods are connected with the mounting frame in a rotating mode, guide wheels are rotatably arranged on the wheel frames, rotary rings with unsealed side edges are rotatably arranged on the mounting frame, annular grooves are formed in two sides of the rotary rings, the guide wheels are located in the grooves and are in rolling connection with the annular surfaces of the rotary rings, the rotary rings are driven to rotate by the driving structure, and fixing structures for fixing pipes are arranged on the rotary rings.

Specifically, the drive structure includes four pivots, it is equipped with four pivots to rotate on the installing frame, be fixed with the band pulley in the pivot, be fixed with the third motor on the installing frame, be fixed with the band pulley on the output shaft of third motor, the winding has the belt on the band pulley, two on top be fixed with the drive roller in the pivot, the drive roller drives rotatory ring and rotates.

Specifically, the translation structure includes the balladeur train, the top of balladeur train is fixed in to the installing frame, sliding connection between balladeur train and the first guide rail, first guide rail is fixed in the base.

Specifically, the carriage and the base are both fixed with fixing seats, and two ends of the first hydraulic cylinder are respectively fixed with the two fixing seats.

Specifically, the adjusting structure comprises a supporting frame, wherein a supporting frame is fixed on one sliding frame, a second guide rail is fixed on the supporting frame, a second sliding block is arranged on the second guide rail in a sliding mode, and a laser welding structure is fixed on the second sliding block.

Specifically, a first motor is fixed on the second guide rail, a first screw rod is fixed on an output shaft of the first motor, the first screw rod is rotationally connected with the second guide rail, and the first screw rod is in threaded connection with the second slider.

Specifically, the laser welding structure comprises a third sliding block, the third sliding block is arranged on the second sliding block in a sliding mode, and a laser welding machine is fixed on the third sliding block.

Specifically, a second motor is fixed on the second sliding block, a second screw rod is fixed on an output shaft of the second motor, the second screw rod is rotationally connected with the second sliding block, and the second screw rod is in threaded connection with the third sliding block.

Specifically, fixed knot constructs including first slider, the symmetry is equipped with two first sliders that slip direction is opposite on the swivel becket, be fixed with two rubber rollers on the first slider, one of them first slider is fixed in the flexible end of second pneumatic cylinder, the second pneumatic cylinder is fixed in the swivel becket, the slope is equipped with the drive slot on the first slider, the roll is equipped with the gyro wheel in the drive slot, rotate between gyro wheel and the drive ring and be connected, rotate between drive ring and the swivel becket.

Specifically, fixed knot constructs including first slider, the symmetry is equipped with two first sliders that slip direction is opposite on the swivel ring, be fixed with two rubber rolls on the first slider, first slider is fixed in the flexible end of second pneumatic cylinder, the second pneumatic cylinder is fixed in the swivel ring.

The beneficial effects of the invention are as follows:

(1) According to the large-caliber pipe laser welding equipment, the driving structure for driving the rotating structure is arranged in the mounting frame, the fixing structure for fixing the pipes is arranged on the rotating structure for driving the pipes to rotate, so that two pipes can be conveniently conveyed into the fixing structure by using a forklift or a lifting appliance, the pipes are fixed through the fixing structure, meanwhile, the pipes are positioned in the center of the rotating structure, the rotating structure is driven by the driving structure to drive the pipes to rotate, the welding position is conveniently and intuitively reflected, and when faults occur, loss is reduced.

(2) According to the large-caliber pipe laser welding equipment, the mounting frame is fixed on the translation structure, the horizontal position of the mounting frame is convenient to adjust due to the arrangement of the translation structure, and the distance between two pipes is convenient to adjust after the two pipes are fixed, so that the operation is more convenient and flexible.

(3) According to the large-caliber pipe laser welding equipment, the adjusting structure for adjusting the position of the laser welding structure is arranged on one translation structure, after two pipes are adjusted, the welding structure is adjusted to be corresponding to the welding position of the pipe through the adjusting structure, so that pipes with different sizes can be welded conveniently, and the welding efficiency is higher.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a first embodiment and a second embodiment of a large-caliber pipe laser welding apparatus provided by the invention;

FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1;

FIG. 3 is an enlarged schematic view of the B-section structure shown in FIG. 1;

FIG. 4 is an enlarged schematic view of the structure of the portion C shown in FIG. 1;

fig. 5 is a schematic diagram of a connection structure between a rotating structure and a fixed structure according to a first embodiment and a second embodiment of the present invention;

FIG. 6 is an enlarged schematic view of the structure of the portion D shown in FIG. 5;

fig. 7 is a schematic structural view of a fixing structure according to a first embodiment of the present invention;

FIG. 8 is a schematic view of a connection structure between the driving ring and the roller shown in FIG. 7;

fig. 9 is a schematic structural diagram of a fixing structure according to a second embodiment of the present invention.

In the figure: 1. a translation structure; 101. a base; 102. a first guide rail; 103. a carriage; 104. a fixing seat; 105. a first hydraulic cylinder; 2. a mounting frame; 3. a rotating structure; 301. a rotating ring; 302. a wheel carrier; 303. a guide wheel; 304. a screw; 4. a fixed structure; 401. a first slider; 402. a rubber roller; 403. a second hydraulic cylinder; 404. a drive ring; 405. a roller; 406. a driving groove; 5. an adjustment structure; 501. a second guide rail; 502. a first motor; 503. a first screw rod; 504. a second slider; 505. a support frame; 6. a laser welded structure; 601. a second motor; 602. a second screw rod; 603. a third slider; 604. a laser welding machine; 7. a driving structure; 701. a third motor; 702. a rotating shaft; 703. a belt wheel; 704. a belt; 705. a driving roller.

Detailed Description

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Example 1

As shown in fig. 1 to 8, a large-caliber pipe laser welding device according to a first embodiment of the present invention includes two translation structures 1, a mounting frame 2 is fixed on the translation structures 1, a driving structure 7 for driving a rotating structure 3 is provided in the mounting frame 2, and a fixing structure 4 for fixing a pipe is provided on the rotating structure 3 for driving the pipe to rotate; an adjusting structure 5 for adjusting the position of the laser welding structure 6 is arranged on one of the translation structures 1;

the rotary structure 3 comprises a wheel frame 302, two wheel frames 302 are slidably arranged on the mounting frame 2, screw rods 304 are connected to the wheel frames 302 in a threaded manner, the screw rods 304 are rotationally connected with the mounting frame 2, guide wheels 303 are rotationally arranged on the wheel frames 302, rotary rings 301 with unsealed side edges are rotationally arranged on the mounting frame 2, annular grooves are formed in two sides of the rotary rings 301, the guide wheels 303 are in the grooves and are in rolling connection with the inner annular surface of the rotary rings 301, the rotary rings 301 are driven to rotate by a driving structure 7, and a fixing structure 4 for fixing pipes is arranged on the rotary rings 301;

the fixed structure 4 comprises a first sliding block 401, two first sliding blocks 401 with opposite sliding directions are symmetrically arranged on the rotary ring 301, two rubber rollers 402 are fixed on the first sliding block 401, one first sliding block 401 is fixed at the telescopic end of a second hydraulic cylinder 403, the second hydraulic cylinder 403 is fixed on the rotary ring 301, a driving groove 406 is obliquely arranged on the first sliding block 401, a roller 405 is arranged in the driving groove 406 in a rolling manner, the roller 405 is rotationally connected with the transmission ring 404, and the transmission ring 404 is rotationally connected with the rotary ring 301;

when the first fixing structure 4 is used for fixing the pipe, the second hydraulic cylinder 403 stretches, the second hydraulic cylinder 403 drives one first sliding block 401 at the bottom to slide upwards, a driving groove 406 is arranged on the first sliding block 401 in an inclined mode, the driving groove 406 on one first sliding block 401 at the bottom drives the roller 405 to roll, the roller 405 drives the driving ring 404 to rotate with the rotating ring 301, the roller 405 at the top end of the driving ring 404 rolls in the driving groove 406 at the top end, the first sliding block 401 at the top end slides downwards, the two first sliding blocks 401 slide relatively, the pipe is clamped and fixed through the four rubber rollers 402, meanwhile, the two first sliding blocks 401 move synchronously, the axis of the pipe coincides with the axis of the rotating ring 301 automatically, the pipe with different diameters is convenient to fix, and the operation efficiency is improved.

Specifically, the translation structure 1 includes a carriage 103, the mounting frame 2 is fixed at the top end of the carriage 103, the carriage 103 is slidably connected with a first guide rail 102, the first guide rail 102 is fixed on a base 101, fixed seats 104 are fixed on the carriage 103 and the base 101, and two ends of the first hydraulic cylinder 105 are respectively fixed on two fixed seats 104; then the length of the first hydraulic cylinder 105 is changed, the first hydraulic cylinder 105 drives the fixing seat 104, the fixing seat 104 drives the sliding frame 103, the sliding frame 103 slides on the first guide rail 102, the distance of a welding seam between two pipes is adjusted, the problem that the welding seam distance is inconvenient to adjust after fixing is finished is avoided, and the operation efficiency is improved.

Specifically, the adjusting structure 5 includes a supporting frame 505, wherein the supporting frame 505 is fixed on one carriage 103, a second guide rail 501 is fixed on the supporting frame 505, a second slide block 504 is slidably arranged on the second guide rail 501, a laser welding structure 6 is fixed on the second slide block 504, a first motor 502 is fixed on the second guide rail 501, a first screw rod 503 is fixed on an output shaft of the first motor 502, the first screw rod 503 is rotationally connected with the second guide rail 501, the first screw rod 503 is in threaded connection with the second slide block 504, the laser welding structure 6 includes a third slide block 603, a third slide block 603 is slidably arranged on the second slide block 504, a laser welding machine 604 is fixed on the third slide block 603, a second motor 601 is fixed on an output shaft of the second motor 601, the second screw rod 602 is rotationally connected with the second slide block 504, and the third slide block 603 are in threaded connection with each other;

the first motor 502 drives the first screw rod 503 to rotate, so that the first screw rod 503 drives the second slider 504 to slide in a threaded manner, the second slider 504 drives the laser welder 604 to correspond to the welding seam position, the second motor 601 rotates, the second motor 601 drives the second screw rod 602 to rotate, the second screw rod 602 drives the third slider 603 to slide up and down on the second slider 504 in a threaded manner, the distance between the laser welder 604 and the corresponding pipe is adjusted, and welding of pipes with different diameters is facilitated.

Specifically, the driving structure 7 includes four rotating shafts 702, four rotating shafts 702 are rotatably disposed on the mounting frame 2, a pulley 703 is fixed on the rotating shafts 702, a third motor 701 is fixed on the mounting frame 2, a pulley 703 is fixed on an output shaft of the third motor 701, a belt 704 is wound on the pulley 703, driving rollers 705 are fixed on the two rotating shafts 702 at the top end, and the driving rollers 705 drive the rotating ring 301 to rotate;

during welding, the belt pulley 703 on the third motor 701 drives the other belt pulleys 703 to rotate through the belt 704, the belt pulley 703 drives the rotating shaft 702 to rotate, the rotating shaft 702 drives the driving roller 705 to rotate, the driving roller 705 drives the rotating ring 301 to rotate, the rotating ring 301 drives the guide wheel 303 to rotate, further, the pipe is rotated, the welding position is welded through the laser welder 604, the pipe welding position is always exposed, visual observation of welding conditions is convenient, unnecessary errors are avoided, annular grooves are formed in two sides of the rotating ring 301, the guide wheel 303 is in rolling connection with the inner ring surface of the rotating ring 301 in the grooves, the supporting effect of the rotating ring 301 is better, friction force is reduced, after the guide wheel 303 is worn normally, the screw 304 can be rotated, the screw 304 is screwed to drive the wheel carrier 302 to slide downwards, and the guide wheel 303 is made to abut against the rotating ring 301.

Example two

As shown in fig. 1-6 and fig. 9, the distinguishing feature of the large-caliber pipe laser welding apparatus proposed in the second embodiment from the first embodiment is that the fixing structure 4 includes a first slider 401, two first sliders 401 with opposite sliding directions are symmetrically disposed on the rotating ring 301, two rubber rollers 402 are fixed on the first slider 401, the first slider 401 is fixed on the telescopic end of a second hydraulic cylinder 403, and the second hydraulic cylinder 403 is fixed on the rotating ring 301; when the fixing structure 4 in the second embodiment is used to fix the pipe, only the upper and lower second hydraulic cylinders 403 are required to work synchronously to drive the two first sliding blocks 401 to slide relatively, and the pipe is clamped and fixed by the four rubber rollers 402.

When the pipe fixing device is used, two pipes are respectively conveyed between two groups of rotating rings 301 by using a forklift or a lifting appliance, the side walls of the rotating rings 301 are unsealed, the pipes are convenient to enter the rotating rings 301, the pipes are enabled to be in contact with rubber rollers 402 on first sliding blocks 401 at the bottom, when the pipe is fixed by using a fixing structure 4 in the first embodiment, a second hydraulic cylinder 403 stretches, the second hydraulic cylinder 403 drives one first sliding block 401 at the bottom to slide upwards, a driving groove 406 which is obliquely arranged is formed in the first sliding block 401, the driving groove 406 on one first sliding block 401 at the bottom drives a roller 405 to roll, the roller 405 drives a driving ring 404 to rotate with the rotating rings 301, the roller 405 at the top end of the driving ring 404 rolls in the driving groove 406 at the top, the first sliding blocks 401 at the top end downwards, the two first sliding blocks 401 relatively slide, the pipe is clamped and fixed by the four rubber rollers 402, and simultaneously the axes of the two first sliding blocks 401 and the axes of the pipes are automatically overlapped with the axes of the rotating rings 301, so that pipes with different diameters can be fixed conveniently, and the operation efficiency is improved;

when the fixing structure 4 in the second embodiment is used for fixing the pipe, only the upper and lower second hydraulic cylinders 403 are required to work synchronously to drive the two first sliding blocks 401 to slide relatively, and the pipe is clamped and fixed by the four rubber rollers 402;

then the length of the first hydraulic cylinder 105 is changed, the first hydraulic cylinder 105 drives the fixed seat 104, so that the fixed seat 104 drives the sliding frame 103, the sliding frame 103 slides on the first guide rail 102, the distance of a welding seam between two pipes is adjusted, the problem that the welding seam distance is inconvenient to adjust after the fixing is finished is avoided, and the operation efficiency is improved;

the first motor 502 drives the first screw rod 503 to rotate, so that the first screw rod 503 drives the second slider 504 to slide in a threaded manner, the second slider 504 drives the laser welder 604 to correspond to the welding seam position, the second motor 601 rotates, the second motor 601 drives the second screw rod 602 to rotate, the second screw rod 602 drives the third slider 603 to slide up and down on the second slider 504 in a threaded manner, the distance between the laser welder 604 and the corresponding pipe is adjusted, and therefore welding of pipes with different diameters is facilitated;

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The large-caliber pipe laser welding equipment is characterized by comprising two translation structures (1), wherein a mounting frame (2) is fixed on the translation structures (1), a driving structure (7) for driving a rotating structure (3) is arranged in the mounting frame (2), and a fixing structure (4) for fixing the pipe is arranged on the rotating structure (3) for driving the pipe to rotate; an adjusting structure (5) for adjusting the position of the laser welding structure (6) is arranged on one of the translation structures (1);

the rotary structure (3) comprises a wheel frame (302), two wheel frames (302) are slidably arranged on the mounting frame (2), screw rods (304) are connected to the wheel frames (302) in a threaded mode, the screw rods (304) are rotationally connected with the mounting frame (2), guide wheels (303) are rotationally arranged on the wheel frames (302), rotary rings (301) with unsealed side edges are rotationally arranged on the mounting frame (2), annular grooves are formed in two sides of the rotary rings (301), the guide wheels (303) are located in the grooves and are in rolling connection with inner annular surfaces of the rotary rings (301), the rotary rings (301) are driven to rotate by a driving structure (7), and fixing structures (4) for fixing pipes are arranged on the rotary rings (301).

2. The large-caliber pipe laser welding equipment according to claim 1, wherein: the driving structure (7) comprises four rotating shafts (702), the four rotating shafts (702) are rotatably arranged on the mounting frame (2), belt wheels (703) are fixed on the rotating shafts (702), a third motor (701) is fixed on the mounting frame (2), belt wheels (703) are fixed on output shafts of the third motor (701), belts (704) are wound on the belt wheels (703), driving rollers (705) are fixed on the two rotating shafts (702) at the top ends, and the driving rollers (705) drive the rotating ring (301) to rotate.

3. The large-caliber pipe laser welding equipment according to claim 1, wherein: the translation structure (1) comprises a sliding frame (103), the mounting frame (2) is fixed at the top end of the sliding frame (103), the sliding frame (103) is connected with a first guide rail (102) in a sliding mode, and the first guide rail (102) is fixed on the base (101).

4. A large diameter pipe laser welding apparatus according to claim 3, wherein: fixed seats (104) are fixed on the sliding frame (103) and the base (101), and a first hydraulic cylinder (105) is fixed between the two fixed seats (104).

5. A large diameter pipe laser welding apparatus according to claim 3, wherein: the adjusting structure (5) comprises a supporting frame (505), wherein one sliding frame (103) is fixedly provided with the supporting frame (505), a second guide rail (501) is fixedly arranged on the supporting frame (505), a second sliding block (504) is slidably arranged on the second guide rail (501), and a laser welding structure (6) is fixedly arranged on the second sliding block (504).

6. The large-caliber pipe laser welding equipment according to claim 5, wherein: the novel sliding block is characterized in that a first motor (502) is fixed on the second guide rail (501), a first screw rod (503) is fixed on an output shaft of the first motor (502), the first screw rod (503) is rotationally connected with the second guide rail (501), and the first screw rod (503) is in threaded connection with the second sliding block (504).

7. The large-caliber pipe laser welding equipment according to claim 5, wherein: the laser welding structure (6) comprises a third sliding block (603), the second sliding block (504) is provided with the third sliding block (603) in a sliding mode, and a laser welding machine (604) is fixed on the third sliding block (603).

8. The large-caliber pipe laser welding equipment according to claim 7, wherein: the second sliding block (504) is fixedly provided with a second motor (601), an output shaft of the second motor (601) is fixedly provided with a second screw rod (602), the second screw rod (602) is rotationally connected with the second sliding block (504), and the second screw rod (602) is in threaded connection with a third sliding block (603).

9. The large-caliber pipe laser welding equipment according to claim 1, wherein: the fixed knot constructs (4) including first slider (401), symmetry is equipped with two first sliders (401) that slip opposite direction on rotatory ring (301), be fixed with two rubber rollers (402) on first slider (401), one of them first slider (401) is fixed in the flexible end of second pneumatic cylinder (403), second pneumatic cylinder (403) are fixed in rotatory ring (301), the slope is equipped with drive slot (406) on first slider (401), the roll is equipped with gyro wheel (405) in drive slot (406), rotate between gyro wheel (405) and transmission ring (404) and be connected, rotate between transmission ring (404) and rotatory ring (301).

10. The large-caliber pipe laser welding equipment according to claim 1, wherein: the fixed knot constructs (4) including first slider (401), symmetry is equipped with two first sliders (401) that slip opposite direction on rotatory ring (301), be fixed with two rubber roll (402) on first slider (401), first slider (401) are fixed in the flexible end of second pneumatic cylinder (403), second pneumatic cylinder (403) are fixed in rotatory ring (301).