Laser welding machine with welding position butt joint protection function

The laser welding machine with servo motor clamping and inert gas protection solves the problems of welding error and oxidation, and achieves high-quality and efficient welding results.

CN223455270UActive Publication Date: 2025-10-21JIANGSU YIYAN MASCH TECH CO LTD
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Patent Information

Application Number
CN202422826090.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-10-21
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

When welding round tubes, existing laser welding machines require manual alignment, which can easily cause errors. In addition, the tubes are easily oxidized when exposed to air during the welding process, affecting product quality.

Method used

A laser welding machine with welding position butt protection function was designed. A servo motor drives the threaded rod to clamp the ends of the pipe to align, and an air pump is used to deliver inert gas to protect the welding area. Combined with the rotation mechanism, the welding efficiency is improved.

Benefits of technology

It achieves precise alignment of pipe ends, avoids oxidation reactions, improves welding quality and efficiency, and enhances welding protection and practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a laser welding machine with a welding position butt joint protection function, which belongs to the field of laser welding machines and comprises a workbench, supporting legs, a welding machine body, a butt joint protection mechanism and a rotating mechanism. According to the laser welding machine with the welding position butt joint protection function, a servo motor is started to drive a threaded rod to rotate, so that a threaded barrel moves, a pipe fitting is clamped, the circle center of the pipe fitting coincides with the circle center of a rotating ring, the ends of the pipe fitting are aligned, the welding position butt joint protection function is achieved, and the welding position butt joint protection function is achieved. And the gas pump is used for conveying inert gas into the protection ring, air is exhausted, the situation that the welding position reacts with oxygen in the air during welding is avoided, the welding position is protected, the protection performance of the device is improved, and the quality of the welding position is prevented from being affected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to laser welding machine technical field, concretely is a kind of laser welding machine with butt joint protection function of welding position. BACKGROUND

[0002] Laser welding is the local heating in small area to material using high-energy laser pulse, and the energy of laser radiation spreads to the interior of material by heat conduction, forms specific molten pool after material melting, it is a new type of welding method, mainly for the welding of thin-walled material, precision parts, can realize spot welding, butt welding, overlay welding, sealing welding etc., high depth-width ratio, weld width is small, heat-affected zone is small, deformation is small, welding speed is fast, weld is flat, beautiful, no need to handle or only need simple handling after welding.

[0003] The current laser welding machine when welding two circular tubes, usually need to align the end of two circular tubes, but in alignment, usually manual alignment by staff, error is easy to cause big, affect the welding between pipe fittings, and in welding, pipe fittings are directly exposed outside, air oxygen in easy oxidation welding position, affect product quality, for this, we propose a kind of laser welding machine with butt joint protection function of welding position. UTILITY MODEL CONTENTS

[0004] The utility model is to provide a kind of laser welding machine with butt joint protection function of welding position to solve the problem that the above background art proposes that the current pipe fitting alignment is usually manually aligned by staff, error is easy to cause big, affect the welding between pipe fittings, and in welding, pipe fittings are directly exposed outside, air oxygen in easy oxidation welding position, affect product quality.

[0005] To achieve the above object, the utility model provides the following technical scheme: A laser welding machine with butt joint protection function of welding position, including work table, support leg, welding machine body, butt joint protection mechanism and rotating mechanism, the support leg fixed connection in the bottom four corner edge position department of work table, the welding machine body fixed connection in the top rear middle part of work table, the butt joint protection mechanism is connected to the top of the work table, the rotating mechanism is connected to the top of the work table, the butt joint protection mechanism includes support block, protection ring, through -hole, elastic conical sleeve, air pipe, air pump, connecting pipe, rotating ring, fixed frame, servo motor, threaded rod, threaded cylinder, mounting plate, clamping block and limit rod, the top middle part of work table is fixedly connected with support block, the top of support block is fixedly connected with protection ring, the outside wall top of protection ring is equipped with through -hole, the left and right sides of protection ring are fixedly connected with elastic conical sleeve, the middle part of the outside wall front of protection ring is fixedly connected with air pipe, the middle part of the top front side of work table is fixedly connected with air pump, the inlet end of air pump is fixedly connected with connecting pipe, the inside of rotating mechanism is connected with rotating ring, the outside wall of rotating ring is uniformly fixedly connected with fixed frame, the middle part of the inside bottom of fixed frame is fixedly connected with servo motor, the output shaft end of servo motor is fixedly connected with threaded rod, the outside wall of threaded rod is screwed with threaded cylinder through screw, the end of threaded cylinder is fixedly connected with mounting plate, the top middle part of mounting plate is fixedly connected with clamping block, the bottom of mounting plate is fixedly connected with limit rod.

[0006] As a further description of the above technical solution:

[0007] The through hole is located at the bottom of the welding head of the welding machine body.

[0008] As a further description of the above technical solution:

[0009] The inlet end of the air pipe is connected to the outlet end of the air pump, and the input end of the air pump and the servo motor is electrically connected with the output end of the external power source.

[0010] As a further description of the above technical solution:

[0011] The limit rod penetrates the outside wall of the rotating ring, and the limit rod and the rotating ring are slidingly connected, and the bottom end of the limit rod is connected with a baffle.

[0012] As a further description of the above technical solution:

[0013] The rotating mechanism comprises a rotating frame, a rotating shaft, a gear, a gear ring, a bearing ring and a driving motor, the rotating frame is fixedly connected to the top left and right parts of the workbench, a rotating shaft is rotatably connected to the bottom middle part between the mutually far sides of the rotating frames of the left and right parts, the outer side walls of the rotating shaft are fixedly connected in pairs, gear rings are fixedly connected to the mutually far sides of the outer side walls of the rotating rings of the left and right parts, bearing rings are fixedly connected to the top left and right sides of the rotating frame, the rotating ring is connected to the inside of the bearing ring, and a driving motor is fixedly connected to the middle part of the top left part of the workbench.

[0014] As a further description of the above technical solutions:

[0015] The input end of the driving motor is electrically connected with the output end of an external power source, and the outer side walls of the gear are meshingly connected with the gear ring through the tooth pattern.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The laser welding machine with butt joint protection function of welding position, through the elastic conical sleeve hole and the pipe outside wall fit, after starting servo motor, drive screw rod rotation, use the limit of limit rod, make screw cylinder move, drive clamping block to move, clamping, so that the pipe center and the center of the rotating ring coincide, so that the pipe end aligns, avoids the deviation when welding, improves the quality of welding, and the inert gas is sent to the inside of the protection ring through the air pump, and the air is discharged, so as to avoid the reaction between the welding position and the oxygen in the air during welding, protect the welding position, improve the protection of the device, and prevent the quality of the welding position.

[0018] 2. The laser welding machine with butt joint protection function of welding position, through the rotation of the driving motor, the rotating shaft is driven to rotate, the gear is driven to rotate through the rotation of the gear, the gear ring is driven to rotate, the rotating ring is driven to rotate, the pipe is driven to rotate, so that the welding port is rotated, so that the welding port is welded once, avoiding stopping and changing position for welding again, improving the efficiency of welding, and improving the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model proposes a kind of overall structure schematic diagram of laser welding machine with butt joint protection function of welding position;

[0020] Figure 2 The utility model proposes the structure schematic diagram of butt joint protection mechanism of laser welding machine with butt joint protection function of welding position;

[0021] Figure 3 The utility model proposes the screw rod installation structure schematic diagram of laser welding machine with butt joint protection function of welding position.

[0022] Figure 4 A right view structural schematic diagram of a laser welding machine with butt joint protection function of welding position is provided in the utility model;

[0023] Figure 5 A rotating mechanism structural schematic diagram of a laser welding machine with butt joint protection function of welding position is provided in the utility model.

[0024] In the figure: 100, workbench; 200, supporting leg; 300, welding machine body; 400, butt joint protection mechanism; 410, supporting block; 420, protection ring; 421, through hole; 422, elastic conical sleeve; 430, air pipe; 440, air pump; 441, connecting pipe; 450, rotating ring; 460, fixing frame; 470, servo motor; 480, threaded rod; 490, threaded cylinder; 491, mounting plate; 492, clamping block; 493, limiting rod; 500, rotating mechanism; 510, rotating frame; 520, rotating shaft; 530, gear; 540, gear ring; 550, bearing ring; 560, driving motor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the features limited as "first", "second" can be explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0027] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication。For ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0028] The utility model provides a kind of laser welding machine with welding position butt joint protection function, so that pipe fitting end alignment, avoid deviation when welding, improve the quality of welding, avoid welding when welding place and oxygen in air reaction, protect welding place, improve the protective property of device, prevent affecting the quality of welding place, please refer to Figures 1-5 Including workbench 100, support foot 200, welding machine body 300, butt joint protection mechanism 400 and rotating mechanism 500;

[0029] Please refer to Figure 1 Again, workbench 100 is used to install support foot 200, welding machine body 300, butt joint protection mechanism 400 and rotating mechanism 500;

[0030] Please refer to Figure 1 Again, support foot 200 is fixedly connected at the bottom four corner edge positions of workbench 100, welding machine body 300 is fixedly connected at the middle of the top rear portion of workbench 100, butt joint protection mechanism 400 is connected to the top of workbench 100, rotating mechanism 500 is connected to the top of workbench 100;

[0031] Please refer to Figures 2-3 Again, butt joint protection mechanism 400 includes support block 410, protection ring 420, through-hole 421, elastic conical sleeve 422, air pipe 430, gas pump 440, connecting pipe 441, rotating ring 450, fixed frame 460, servo motor 470, threaded rod 480, threaded cylinder 490, mounting plate 491, clamping block 492 and limiting rod 493;

[0032] Please refer to Figure 2The middle part of the top of the workbench 100 is fixedly connected with a supporting block 410, the top of the supporting block 410 is fixedly connected with a protection ring 420, the top of the outer side wall of the protection ring 420 is provided with a through hole 421, the left and right sides of the protection ring 420 are fixedly connected with elastic conical sleeves 422, the middle part of the front part of the outer side wall of the protection ring 420 is fixedly connected with a ventilation pipe 430, the middle part of the top of the front side of the workbench 100 is fixedly connected with a gas pump 440, the inlet end of the gas pump 440 is fixedly connected with a connecting pipe 441, the inside of the rotating mechanism 500 is connected with a rotating ring 450, and the outer side wall of the rotating ring 450 is uniformly fixedly connected with a fixing frame 460.

[0033] Please refer again to Figure 3 The middle part of the inner side bottom of the fixing frame 460 is fixedly connected with a servo motor 470, the output shaft end of the servo motor 470 is fixedly connected with a threaded rod 480, the outer side wall of the threaded rod 480 is screwed with a threaded barrel 490, the end of the threaded barrel 490 is fixedly connected with a mounting plate 491, the top middle part of the mounting plate 491 is fixedly connected with a clamping block 492, and the bottom of the mounting plate 491 is fixedly connected with a limiting rod 493.

[0034] As described above, by passing the pipe through the hole of the elastic conical sleeve 422, the hole of the elastic conical sleeve 422 is attached to the outer side wall of the pipe, then the servo motor 470 is started, the threaded rod 480 is rotated, the limiting rod 493 is used for limiting, the threaded barrel 490 is moved, the clamping block 492 is moved, the pipe is clamped, the center of the pipe is coincided with the center of the rotating ring 450, so that the end of the pipe is aligned, the deviation during welding is avoided, the quality of welding is improved, and the inert gas is transported into the protection ring 420 by the gas pump 440, air is discharged, the welding position is protected from reaction with oxygen in the air during welding, the protection property of the device is improved, and the quality of the welding position is prevented from being affected.

[0035] Please refer again to Figure 1 The through hole 421 is located at the bottom of the welding head of the welding machine body 300.

[0036] Please refer again to Figure 2 The inlet end of the ventilation pipe 430 is connected to the outlet end of the gas pump 440, and the input ends of the gas pump 440 and the servo motor 470 are electrically connected with the output end of the external power supply.

[0037] Please refer again to Figure 2 The limiting rod 493 penetrates through the outer side wall of the rotating ring 450, and the limiting rod 493 is in sliding connection with the rotating ring 450, and the bottom end of the limiting rod 493 is connected with a baffle.

[0038] Please refer again to Figure 5The rotating mechanism 500 comprises a rotating frame 510, a rotating shaft 520, a gear 530, a gear ring 540, a bearing ring 550 and a driving motor 560. The rotating frame 510 is fixedly connected to the top left and right parts of the workbench 100. The rotating shaft 520 is rotatably connected to the bottom middle part between the mutually faraway sides of the rotating frames 510 of the left and right parts. The gear 530 is fixedly connected to the outer sidewalls of the rotating shaft 520 in a symmetrical manner. The gear ring 540 is fixedly connected to the mutually faraway outer sidewalls of the rotating rings 450 of the left and right parts. The bearing ring 550 is fixedly connected to the left and right top parts of the rotating frame 510. The rotating ring 450 is connected to the inside of the bearing ring 550. The driving motor 560 is fixedly connected to the middle part of the top left part of the workbench 100.

[0039] Please refer again to Figure 5 The input end of the driving motor 560 is electrically connected with the output end of the external power source. The outer sidewall of the gear 530 is meshingly connected with the gear ring 540 through the gear teeth.

[0040] In summary, the rotation of the driving motor 560 drives the rotating shaft 520 to rotate, so that the gear 530 rotates. Through the rotation of the gear 530, the gear ring 540 is driven to rotate, so that the rotating ring 450 rotates, the welded pipe is driven to rotate, and the welding port is rotated, so that the welding port is conveniently welded at one time, avoiding stopping to change the position for welding again, improving the welding efficiency and the practicability of the device.

[0041] In specific use, when welding, the pipe is passed through the hole of the elastic conical sleeve 422, so that the hole of the elastic conical sleeve 422 is attached to the outer sidewall of the pipe. Then, the servo motor 470 is started to drive the threaded rod 480 to rotate. The movement of the threaded cylinder 490 is limited by the limiting rod 493, so that the clamping block 492 moves to clamp the pipe, so that the center of the pipe coincides with the center of the rotating ring 450, so that the end of the pipe is aligned. Then, the connecting pipe 441 is connected with the inert gas container. The air pump 440 is started to deliver the inert gas into the inside of the protection ring 420 through the air pipe 430 to discharge the air. The welding machine body 300 is started to weld. Because the inside of the protection ring 420 is filled with inert gas, the welding position is prevented from reacting with oxygen in the air during welding. Then, the driving motor 560 is started to drive the rotating shaft 520 to rotate through the rotation of the driving motor 560, so that the gear 530 rotates. Through the rotation of the gear 530, the gear ring 540 is driven to rotate, so that the rotating ring 450 rotates, the welded pipe is driven to rotate, and the welding port is rotated, so that the welding port is conveniently welded at one time.

[0042] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A laser welding machine having a butt joint protection function for a welding site, characterized by: Including workbench (100), support foot (200), welding machine body (300), butt joint protection mechanism (400) and rotating mechanism (500), the support foot (200) is fixedly connected to the bottom four corner edge positions of the workbench (100), the welding machine body (300) is fixedly connected to the middle of the top rear of the workbench (100), the butt joint protection mechanism (400) is connected to the top of the workbench (100), the rotating mechanism (500) is connected to the top of the workbench (100), the butt joint protection mechanism (400) includes support block (410), protection ring (420), through-hole (421), elastic conical sleeve (422), air pipe (430), air pump (440), connecting pipe (441), rotating ring (450), fixing frame (460), servo motor (470), threaded rod (480), threaded barrel (490), mounting plate (491), clamping block (492) and limiting rod (493), the top middle of the workbench (100) is fixedly connected with support block (410), the top of the support block (410) is fixedly connected with protection ring (420), the top of the outer side wall of the protection ring (420) is provided with through-hole (421), the left and right sides of the protection ring (420) are fixedly connected with elastic conical sleeve (422), the middle of the outer side wall front of the protection ring (420) is fixedly connected with air pipe (430), the middle of the top front side of the workbench (100) is fixedly connected with air pump (440), the inlet end of the air pump (440) is fixedly connected with connecting pipe (441), the inside of the rotating mechanism (500) is connected with rotating ring (450), the outer side wall of the rotating ring (450) is uniformly fixedly connected with fixing frame (460), the inside bottom middle of the fixing frame (460) is fixedly connected with servo motor (470), the output shaft end of the servo motor (470) is fixedly connected with threaded rod (480), the outer side wall of the threaded rod (480) is screwed with threaded barrel (490), the end of the threaded barrel (490) is fixedly connected with mounting plate (491), the top middle of the mounting plate (491) is fixedly connected with clamping block (492), the bottom of the mounting plate (491) is fixedly connected with limiting rod (493).

2. The laser welding machine with butt joint protection function of claim 1, wherein: The through-hole (421) is located at the welding head bottom of the welding machine body (300).

3. The laser welding machine with butt joint protection function of claim 1, wherein: The inlet end of the air pipe (430) is connected to the outlet end of the air pump (440), and the input ends of the air pump (440) and the servo motor (470) are electrically connected with the output end of the external power supply.

4. The laser welder with butt joint protection function according to claim 1, characterized in that: The limiting rod (493) penetrates the outer side wall of the rotating ring (450), and the limiting rod (493) and the rotating ring (450) are slidingly connected, and the bottom end of the limiting rod (493) is connected with a baffle.

5. The laser welder with butt joint protection function according to claim 1, characterized in that: Said rotating mechanism (500) includes rotating frame (510), rotating shaft (520), gear (530), gear ring (540), bearing ring (550) and drive motor (560), the top left and right parts of the workbench (100) are fixedly connected with rotating frame (510), the bottom middle part between the mutually far sides of the rotating frame (510) of left and right parts is rotatably connected with rotating shaft (520), the outer side wall of the rotating shaft (520) is fixedly connected with gear (530) symmetrically, the outer side wall of the rotating ring (450) of left and right parts is fixedly connected with gear ring (540) at the mutually far sides, the left and right side top of the rotating frame (510) is rotatably connected with bearing ring (550), the rotating ring (450) is connected to the inside of the bearing ring (550), the middle part of the top left part of the workbench (100) is fixedly connected with drive motor (560).

6. The laser welding machine having a butt joint protection function of the welding site according to claim 5, characterized in that: The input end of the drive motor (560) is electrically connected with the output end of the external power supply, and the outer side wall of the gear (530) is meshed and connected with the gear ring (540) through the tooth.

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