Metal pipe welding device
The metal pipe is positioned and fixed by a combination of a positioning plate and a connecting rod, and is welded using a laser welding head, which solves the problem of tilting and falling of the metal pipe during welding and achieves stable welding.
Patent Information
- Application Number
- CN202422211991.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-09-10
AI Technical Summary
During the metal pipe welding process, unpositioned metal pipes are prone to tilting and falling, resulting in unstable welding.
A device including a positioning plate, a connecting rod, a bracket and a laser welding head is used to position and fix the metal pipe through the positioning plate and the connecting rod, and the laser welding head is used for welding.
It achieves stable positioning and welding of metal pipes, avoids problems of tilting and falling, and ensures the stability of welding.
Smart Images

Figure CN223353219U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of welding equipment, in particular to a metal pipe welding device. Background Art
[0002] Metal pipe is a hard pipe made of metal material. During use, it has good corrosion resistance and thermal conductivity. It is not easy to be damaged after long-term use. When producing metal pipes, welding is required according to the use conditions.
[0003] At present, deviations are often easy to occur when welding pipes. Metal pipes that have not been positioned are prone to tilting and falling during the processing process. When metal pipes are tilted for welding, unstable welding is easy to occur. Utility Model Content
[0004] In response to the shortcomings of the existing technology, the utility model provides a metal pipe welding device, which solves the problems that deviations are often prone to occur when welding pipes together, metal pipes that are not positioned are prone to tilting and falling during processing, and unstable welding is prone to occur when metal pipes are tilted for welding.
[0005] The above technical objectives of the present invention are achieved through the following technical solutions:
[0006] Metal pipe welding device, comprising:
[0007] Two platforms, with multiple connecting plates connected between the two platforms;
[0008] A positioning plate is slidably connected to the platform, wherein a plurality of positioning blocks are provided on one side of the positioning plate, and a connecting rod is connected to one side of the positioning block, and the connecting rod passes through the positioning block and extends to the other side of the positioning block;
[0009] a bracket, disposed on the platform;
[0010] A ring body is provided between the two platforms, wherein a laser welding head is rotatably provided in the ring body and the laser welding head can move in a circular motion within the ring body;
[0011] A moving component, disposed between the two platforms, for moving the two positioning plates closer to or further away from each other;
[0012] The positioning component is provided between the platform and the connecting rods, and is used to move the multiple connecting rods away from the center of the positioning plate when the positioning plate moves to a preset position.
[0013] Preferably, the moving part includes a limiting slide groove opened on the top of the platform, a limiting slide is slidably connected in the limiting slide groove, the positioning plate is connected to the limiting slide, and one side of the platform is rotatably connected to a screw rod threadedly connected to the limiting slide.
[0014] Preferably, the moving component also includes a first motor connected to one side of one of the platforms, and the bottoms of the two platforms are connected to a rotating shaft for common rotation. The driving shaft of the first motor and the rotating shaft are respectively connected to a first gear, and a chain is connected between the rotating shaft and the two screw rods.
[0015] Preferably, the positioning component includes a side opening opened on one side of the positioning plate, a connecting port is opened on one side of the side opening, the connecting rod is slidably mounted on the connecting port, the connecting rod passes through the connecting port and extends into the side opening and is rotatably connected to a connecting rod, a turntable rotatably connected to the connecting rod is rotatably connected in the side opening, a second gear is connected to one side of the turntable, a rack meshing with the second gear is provided on the top of the limiting slide plate, top rods are respectively connected on both sides of the rack, and a lifting rod is connected to the top of the platform.
[0016] Preferably, a limiting rod slidably connected to the rack is connected to the top of the limiting slide, and a spring is connected between the rack and the limiting slide.
[0017] Preferably, a rotating groove is provided on the inner side wall of the ring body, a third gear is rotatably connected in the rotating groove, the laser welding head is connected to the third gear, a connecting port is provided at the bottom of the rotating groove, a second motor is connected to one side of one of the platforms, and a fourth gear meshing with the third gear is connected to the driving shaft of the second motor.
[0018] In summary, the present invention has the following beneficial effects:
[0019] By setting up a bracket, when in use, two metal pipes of the same diameter and length can be placed on the brackets on the two platforms respectively, so that one end of the metal pipe contacts the positioning plate, and the multiple positioning blocks on the positioning plate are in the metal pipe. Specifically, the operator can move the position of the two positioning plates by the moving component, so that the two positioning plates move closer to each other. When the positioning plate moves to the preset position, the positioning component can be used to move the position of the multiple connecting rods, so that the multiple connecting rods drive the positioning blocks to move close to the inner wall of the metal pipe. After the multiple positioning blocks contact the inner wall of the metal pipe, the purpose of fixing the position of the metal pipe can be achieved. The multiple positioning blocks on the two positioning plates fix the metal pipe with a tendency to spread outward, which can make the central axes of the two metal pipes intersect, thereby achieving the purpose of positioning and fixing the two metal pipes. The moving component moves the two positioning plates to allow the two metal pipes to contact. The rubber pads of the two metal pipes are in the ring body. The operator can turn on the laser welding head and rotate the laser welding head to weld the two metal pipes, thereby solving the problem in the existing technology that deviations are often easy to occur when welding pipes together, and the metal pipes that have not been positioned are prone to tilting and falling during the processing process. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 This is a schematic diagram of the bracket structure of the utility model;
[0022] Figure 3 This is a schematic diagram of the ring structure of the utility model;
[0023] Figure 4 It is a schematic diagram of the platform structure of the utility model;
[0024] Figure 5 It is a structural schematic diagram of the positioning component of the utility model.
[0025] Reference numerals:
[0026] 100, platform; 101, connecting plate; 102, positioning plate; 103, positioning block; 104, connecting rod; 105, bracket; 106, ring body; 107, laser welding head;
[0027] 200, limiting slide; 201, limiting slide; 202, screw; 203, first motor; 204, rotating shaft; 205, first gear; 206, chain;
[0028] 300, side opening; 301, connection port; 302, connecting rod; 303, turntable; 304, second gear; 305, rack; 306, push rod; 307, lifting rod; 308, limit rod; 309, spring;
[0029] 400, rotating groove; 401, third gear; 402, connecting port; 403, second motor; 404, fourth gear. DETAILED DESCRIPTION
[0030] 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 embodiments 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 making creative efforts are within the scope of protection of the present invention.
[0031] refer to Figure 1-Figure 5 , a metal pipe welding device, comprising:
[0032] Two platforms 100, with multiple connecting plates 101 connected between the two platforms 100;
[0033] A positioning plate 102 is slidably connected to the platform 100. A plurality of positioning blocks 103 are provided on one side of the positioning plate 102. A connecting rod 104 is connected to one side of the positioning block 103. The connecting rod 104 passes through the positioning block 103 and extends to the other side of the positioning block 103.
[0034] Bracket 105, provided on platform 100;
[0035] The ring body 106 is provided between the two platforms 100. A laser welding head 107 is rotatably provided in the ring body 106. The laser welding head can move in a circular motion in the ring body 106.
[0036] The moving component is provided between the two platforms 100 and is used to move the two positioning plates 102 closer to or away from each other;
[0037] A positioning component is provided between the platform 100 and the connecting rods 104 and is used to keep the connecting rods 104 away from the center of the positioning plate 102 when the positioning plate 102 moves to a preset position;
[0038] By setting the bracket 105, when in use, two metal pipes of the same diameter and length can be placed on the brackets 105 on the two platforms 100 respectively, so that one end of the metal pipe contacts the positioning plate 102, and the multiple positioning blocks 103 on the positioning plate 102 are in the metal pipe. Specifically, the operator can move the positions of the two positioning plates 102 by the moving parts, so that the two positioning plates 102 move closer to each other. When the positioning plates 102 move to the preset position, the positioning parts can be used to move the positions of the multiple connecting rods 104, so that the multiple connecting rods 104 drive the positioning blocks 103 to move closer to the inner wall of the metal pipe. After the multiple positioning blocks 103 contact the inner wall of the metal pipe, the metal pipe can be aligned. In order to fix the position of the tube, multiple positioning blocks 103 on the two positioning plates 102 fix the metal tube with a tendency to diffuse outward, so that the central axes of the two metal tubes can intersect, thereby achieving the purpose of positioning and fixing the two metal tubes. The moving parts move the two positioning plates 102 to allow the two metal tubes to contact, and the rubber pads of the two metal tubes are in the ring body 106. The operator can turn on the laser welding head and rotate the laser welding head to weld the two metal tubes, thereby solving the problem in the existing technology that deviations are often easy to occur when welding and docking pipes, and the metal tubes that have not been positioned are prone to tilting and falling during the processing.
[0039] As a further feature of the present invention, the moving component includes a limiting slide 200 provided on the top of the platform 100, a limiting slide 201 is slidably connected in the limiting slide 200, the positioning plate 102 is connected to the limiting slide 201, and a screw rod 202 threadedly connected to the limiting slide 201 is rotatably connected to one side of the platform 100;
[0040] By providing the screw rod 202 , the screw rods 202 on the two platforms 100 can be rotated during use. The rotation of the screw rod 202 can drive the limiting slide 201 to move, thereby achieving the purpose of moving the positioning plate 102 .
[0041] As a further feature of the present invention, the moving component further includes a first motor 203 connected to one side of one of the platforms 100, a rotating shaft 204 is connected to the bottom of the two platforms 100 for common rotation, a first gear 205 is connected to the drive shaft of the first motor 203 and the rotating shaft 204 respectively, and a chain 206 is connected between the rotating shaft 204 and the two screw rods 202;
[0042] By setting up the first motor 203, when in use, the first motor 203 can be started, and the rotation of the drive shaft of the first motor 203 can drive the rotating shaft 204 to rotate through the first gear 205. The rotation of the rotating shaft 204 can synchronously drive the two screw rods 202 to rotate through the chain 206, thereby achieving the purpose of making the two positioning plates 102 move synchronously.
[0043] As a further feature of the present invention, the positioning component includes a side opening 300 opened on one side of the positioning plate 102, a connecting port 301 is opened on one side of the side opening 300, a connecting rod 104 is slidably sleeved with the connecting port 301, the connecting rod 104 extends through the connecting port 301 into the side opening 300 and is rotatably connected to the connecting rod 302, a turntable 303 rotatably connected to the connecting rod 302 is rotatably connected in the side opening 300, one side of the turntable 303 is connected to a second gear 304, a rack 305 meshing with the second gear 304 is provided on the top of the limiting slide 201, a top rod 306 is connected to both sides of the rack 305, and a lifting rod 307 is connected to the top of the platform 100;
[0044] By setting the lifting rod 307, when the limiting slide 201 moves, the positioning plate 102 and the rack 305 follow the movement. When the limiting slide 201 moves to the preset position, the top rods 306 on both sides of the rack 305 can contact the lifting rod 307 and be restricted by the lifting rod 307. The top rod 306 and the rack 305 can move upward. The upward movement of the rack 305 can drive the turntable 303 to rotate through the second gear 304. The rotation of the turntable 303 can allow the connecting rod 302 to touch the connecting rod 104, allowing the connecting rod 104 to move in the connecting port 301, thereby achieving the purpose of moving multiple positioning blocks 103 away from the center of the circle of the positioning block 103.
[0045] As a further feature of the present invention, a limiting rod 308 slidably connected to the rack 305 is connected to the top of the limiting slide 201 , and a spring 309 is connected between the rack 305 and the limiting slide 201 ;
[0046] By providing the limiting rod 308 , when the rack 305 moves, the limiting rod 308 can limit the position of the rack 305 .
[0047] As a further feature of the present invention, a rotating groove 400 is formed on the inner side wall of the ring body 106, a third gear 401 is rotatably connected in the rotating groove 400, a laser welding head is connected to the third gear 401, a communication port 402 is formed at the bottom of the rotating groove 400, a second motor 403 is connected to one side of one platform 100, and a fourth gear 404 meshing with the third gear 401 is connected to the drive shaft of the second motor 403;
[0048] By setting up the second motor 403, the second motor 403 can be started when in use. The rotation of the drive shaft of the second motor 403 can drive the third gear 401 to rotate through the fourth gear 404. The rotation of the third gear 401 can achieve the purpose of making the laser welding head move in a circular motion within the ring body 106.
[0049] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. Metal pipe welding device, characterized in that, include: Two platforms, with multiple connecting plates connected between the two platforms; A positioning plate is slidably connected to the platform, wherein a plurality of positioning blocks are provided on one side of the positioning plate, and a connecting rod is connected to one side of the positioning block, and the connecting rod passes through the positioning block and extends to the other side of the positioning block; a bracket, disposed on the platform; A ring body is provided between the two platforms, wherein a laser welding head is rotatably provided in the ring body and the laser welding head can move in a circular motion within the ring body; A moving component, disposed between the two platforms, for moving the two positioning plates closer to or further away from each other; The positioning component is provided between the platform and the connecting rods, and is used to move the multiple connecting rods away from the center of the positioning plate when the positioning plate moves to a preset position.
2. The metal pipe welding device according to claim 1, characterized in that: The moving component includes a limiting slide groove opened on the top of the platform, a limiting slide is slidably connected in the limiting slide groove, the positioning plate is connected to the limiting slide, and one side of the platform is rotatably connected to a screw rod threadedly connected to the limiting slide.
3. The metal pipe welding device according to claim 2, characterized in that: The moving component also includes a first motor connected to one side of one of the platforms. The bottoms of the two platforms are connected to a rotating shaft for common rotation. The driving shaft of the first motor and the rotating shaft are respectively connected to a first gear. A chain is connected between the rotating shaft and the two screw rods.
4. The metal pipe welding device according to claim 3, characterized in that: The positioning component includes a side opening opened on one side of the positioning plate, a connecting port is opened on one side of the side opening, the connecting rod is slidably mounted on the connecting port, the connecting rod passes through the connecting port and extends into the side opening and is rotatably connected to a connecting rod, a turntable rotatably connected to the connecting rod is rotatably connected in the side opening, a second gear is connected to one side of the turntable, a rack meshing with the second gear is provided on the top of the limiting slide plate, top rods are respectively connected on both sides of the rack, and a lifting rod is connected to the top of the platform.
5. The metal pipe welding device according to claim 4, characterized in that: The top of the limiting slide is connected to a limiting rod slidably connected to the rack, and a spring is connected between the rack and the limiting slide.
6. The metal pipe welding device according to claim 1, characterized in that: A rotating groove is provided on the inner side wall of the ring body, a third gear is rotatably connected in the rotating groove, the laser welding head is connected to the third gear, a connecting port is provided at the bottom of the rotating groove, a second motor is connected to one side of one of the platforms, and a fourth gear meshing with the third gear is connected to the driving shaft of the second motor.