A barrel half-pipe double-gun welding machine

Abstract

The utility model relates to the field of chemical storage tank processing discloses a cylinder half -tube double -gun welding machine, including track and frame body, the track is connected with the frame body through base, the outside fixed connection of top of base has the locating frame, the top of track is provided with two placing mechanism, the top of frame body is provided with moving mechanism, the outside of locating frame is provided with positioning mechanism, the placing mechanism includes a plurality of mobile seat, the bottom sliding connection of mobile seat in the top of track, the similar side fixed connection of mobile seat has the placing base. In the utility model, through the interval adjusting rod drive two sliders synchronous sliding, thereby realizes the equipment can adapt to different size workpieces, the workpiece is accurately moved to the welding required position, and can avoid the installation seat to move excessively deviate from the preset range and prevent the effect that the impurity enters the placing base inside and influences the interval adjusting rod operation.

Description

Technical Field

[0001] This utility model relates to the field of chemical storage tank processing, and in particular to a double-gun welding machine for cylindrical half-pipes. Background Technology

[0002] In the production and operation of the petrochemical industry, storage tanks are the core equipment for storing various petrochemical media, and their manufacturing quality directly affects the safety and stability of subsequent production. Currently, the manufacturing process of petrochemical storage tanks has formed a relatively fixed pattern. Typically, the core components such as the tank body and end caps are manufactured separately first. After each component reaches the preset dimensional accuracy and quality standards, these components are then assembled and welded together to finally form a complete storage tank system.

[0003] A typical cylindrical half-tube welding machine consists of a placement mechanism, a welding mechanism, and a positioning mechanism. The placement mechanism supports the cylindrical body to be welded through a roller assembly and provides a temporary fixture for the half-tube, laying the foundation for subsequent positioning and welding. The positioning mechanism uses a clamping block and a push rod to push the half-tube to conform to the welding trajectory of the cylindrical body surface. The welding mechanism, according to the preset weld parameters, is driven by a servo motor to move the welding torch at a constant speed along the welding trajectory. At the same time, the welding power supply outputs a stable arc, and the wire feeding mechanism synchronously delivers the welding wire to the molten pool, completing the continuous welding operation between the cylindrical body and the half-tube.

[0004] In the existing technology, since the cylinder volume of petrochemical storage tanks is generally large, the equipment placement mechanism is mostly a fixed structure design, which can only adapt to cylinder workpieces with a specific diameter range. When facing cylinders of different diameter specifications, the support spacing cannot be flexibly adjusted, resulting in low equipment versatility and the need to frequently change special tooling, which increases production costs and operation time. To address this issue, a cylinder half-pipe double-gun welding machine is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a cylindrical half-pipe double-gun welding machine, which aims to improve the problems in the existing traditional welding equipment, such as the inability to flexibly handle cylindrical workpieces of different diameters due to poor workpiece size adaptability, the inconvenience of workpiece position adjustment and difficulty in accurately aligning with the welding station, and the easy movement of the mounting base beyond the range and the easy intrusion of impurities affecting the operation of the adjustment components.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A cylindrical half-tube double-gun welding machine includes a track and a frame. The track is connected to the frame via a base. A positioning frame is fixedly connected to the top outer side of the base. Two placement mechanisms are provided on the top of the track. A moving mechanism is provided on the top of the frame. A positioning mechanism is provided on the outside of the positioning frame.

[0008] The placement mechanism includes multiple movable seats, the bottom of which is slidably connected to the top of the track. A placement base is fixedly connected to an adjacent side of the movable seat. Side plates are fixedly connected to both ends of the placement base. A limit plate is fixedly connected to the top of the side plate. A spacing adjustment rod is rotatably connected to an adjacent side of the side plate. A slider is threadedly connected to the outside of the spacing adjustment rod. A mounting base is threadedly connected to the top of the slider. A roller is rotatably connected to the inner top of the mounting base. A drive assembly is mounted on the outside of the mounting base.

[0009] As a further description of the above technical solution:

[0010] The moving mechanism includes a transverse moving rail, the bottom of which is fixedly connected to the top of the frame. A vertical slide rail is slidably connected to the inner top of the transverse moving rail. A control motor is fixedly connected to the top of the vertical slide rail. A chain drive assembly is fixedly connected to the output end of the control motor. A slide rail seat is slidably connected to the outside of the vertical slide rail. A longitudinal moving rail is fixedly connected to the outside of the slide rail seat. A controller is slidably connected to the inner top of the longitudinal moving rail. A double welding gun is fixedly connected to the output end of the controller.

[0011] As a further description of the above technical solution:

[0012] The other end of the chain drive assembly is sleeved on the top inner side of the slide rail seat, and the outside of the double welding gun is installed at the bottom of the longitudinal moving rail.

[0013] As a further description of the above technical solution:

[0014] The positioning mechanism includes a second control motor, which is externally fixedly connected to the top of the positioning frame. The output end of the second control motor is fixedly connected to a second chain drive assembly. The other end of the second chain drive assembly is fitted with a mounting plate. Multiple slide rail wheels are rotatably connected to the outside of the mounting plate. Multiple drive wheels are rotatably connected to the other side of the mounting plate. An extension plate is slidably connected to the adjacent side of the drive wheels. A positioning seat is fixedly connected to one end of the extension plate.

[0015] As a further description of the above technical solution:

[0016] The adjacent side of the slide rail wheel is slidably connected to the outside of the positioning frame, and the outside of the mounting plate is slidably connected to the outside of the positioning frame.

[0017] As a further description of the above technical solution:

[0018] The drive assembly includes a transmission base and a support frame. The transmission base is externally fixedly connected to the outside of the mounting base on the right side of the top of the track. A drive motor is externally fixedly connected to the transmission base. The support frame is externally threadedly connected to the outside of the placement base on the left side of the top of the track.

[0019] As a further description of the above technical solution:

[0020] The slider is externally slidably connected to the inside of the placement base, and the mounting base is internally slidably connected to the outside of the limiting plate;

[0021] As a further description of the above technical solution:

[0022] The placement base slides on top of the track via the movable seat, and the mounting base slides on top of the placement base via the slider and the spacing adjustment rod. When the spacing adjustment rod is rotated, the two sliders slide synchronously toward the center or outward.

[0023] This utility model has the following beneficial effects:

[0024] 1. In this utility model, the spacing adjustment rod drives two sliders to slide synchronously, thereby moving the mounting base on top of the placement base. This allows the equipment to adapt to workpieces of different sizes. The moving base drives the placement base to slide along the track, facilitating the precise movement of the workpiece to the required welding position. The limiting plate directly restricts the movement range of the mounting base and shields the interior of the placement base. This prevents the mounting base from moving excessively beyond the preset range and prevents impurities from entering the interior of the placement base and affecting the operation of the spacing adjustment rod. Thus, the equipment can adapt to workpieces of different sizes, facilitates the precise movement of the workpiece to the required welding position, and prevents the mounting base from moving excessively beyond the preset range and prevents impurities from entering the interior of the placement base and affecting the operation of the spacing adjustment rod.

[0025] 2. In this utility model, with the cooperation of the horizontal moving rail and the vertical sliding rail, the vertical sliding rail drives the slide rail seat one, the longitudinal moving rail and the double welding gun to slide horizontally. With the cooperation of the control motor one and the chain drive group one, the chain drive group one drives the slide rail seat one to move vertically along the vertical sliding rail. With the cooperation of the longitudinal moving rail and the controller, the controller drives the double welding gun to slide vertically. At the same time, the horizontal and vertical directions cooperate with the longitudinal rail in three dimensions, allowing the double welding gun to move flexibly in multiple directions and adapt to complex trajectories. The longitudinal moving rail also supports the simultaneous operation of the double welding gun, so as to solve the problems of limited unidirectional movement of the double welding gun, difficulty in adapting to complex welding trajectories, and low efficiency of single operation.

[0026] 3. In this utility model, the output power of the second motor drives the second chain drive assembly to rotate, which in turn drives the mounting plate to move along the positioning frame. The mounting plate drives the slide rail wheel to slide along the positioning frame to reduce friction. The drive wheel on the other side rotates, which in turn drives the extension plate to move telescopically to adjust the extension length. The extension plate then drives the positioning seat to move to accurately contact the workpiece, thereby realizing the orderly linkage of each component of the positioning mechanism, providing the positioning device with flexible adjustment of position and extension length, facilitating accurate positioning of the workpiece, and adapting to the positioning needs of workpieces in different positions. Attached Figure Description

[0027] Figure 1 This is a three-dimensional schematic diagram of a cylindrical half-pipe double-gun welding machine proposed in this utility model;

[0028] Figure 2 This is a schematic diagram of the structure of the placement base of a cylindrical half-tube double-gun welding machine proposed in this utility model;

[0029] Figure 3 This is a schematic diagram of the mounting base for a cylindrical half-pipe double-gun welding machine proposed in this utility model;

[0030] Figure 4 This is a schematic diagram of the spacing adjustment rod of a cylindrical half-tube double-gun welding machine proposed in this utility model;

[0031] Figure 5 This is a schematic diagram of the mounting plate of a cylindrical half-tube double-gun welding machine proposed in this utility model;

[0032] Figure 6 This is a schematic diagram of the slide rail base of a cylindrical half-pipe double-gun welding machine proposed in this utility model.

[0033] Legend:

[0034] 1. Base; 2. Track; 3. Frame; 4. Placement mechanism; 41. Movable seat; 42. Placement base; 43. Side plate; 44. Limiting plate; 45. Spacing adjustment rod; 46. Slider; 47. Mounting seat; 48. Roller; 49. Drive assembly; 491. Transmission seat; 492. Drive motor; 493. Support frame; 5. Movable mechanism; 51. Horizontal moving rail; 52. Vertical sliding rail; 53. Control motor one; 54. Chain drive group one; 55. Slide rail seat one; 56. Longitudinal moving rail; 57. Controller; 58. Double welding gun; 6. Positioning frame; 7. Positioning mechanism; 71. Control motor two; 72. Chain drive group two; 73. Mounting plate; 74. Slide rail wheel; 75. Drive wheel; 76. Extension plate; 77. Positioning seat. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] Example:

[0037] A cylindrical half-pipe double-gun welding machine, as described in the reference Figures 1 to 3 The system includes a track 2 and a frame 3, which can provide a stable installation foundation for each component of the welding machine and ensure the overall stability of the equipment. The track 2 is connected to the frame 3 through the base 1, which can enhance the stability of the track 2 and the frame 3 and prevent the track 2 from shaking during use. A positioning frame 6 is fixedly connected to the top outer side of the base 1, which can provide an installation carrier for the positioning mechanism 7. Two placement mechanisms 4 are provided on the top of the track 2, a moving mechanism 5 is provided on the top of the frame 3, and a positioning mechanism 7 is provided on the outside of the positioning frame 6.

[0038] Reference Figure 2 and Figure 4The placement mechanism 4 includes multiple movable seats 41, providing sliding support for the placement base 42. The bottom of the movable seat 41 is slidably connected to the top of the track 2, allowing the movable seat 41 to drive the placement base 42 to move along the track 2, facilitating the adjustment of the workpiece position. The placement base 42 is fixedly connected to the adjacent side of the movable seat 41, providing a placement platform for the workpiece. Side plates 43 are fixedly connected to both ends of the placement base 42 for mounting the limiting plate 44 and the spacing adjustment rod 45. The limiting plate 44 is fixedly connected to the top of the side plate 43, further restricting the movement of the mounting seat 47 and preventing impurities from entering the placement base 42 and affecting the operation of the spacing adjustment rod 45. The spacing adjustment rod 45 is rotatably connected to the adjacent side of the side plate 43. One end of the spacing adjustment rod 45 is fixed with an adjusting handwheel, and a limiting block is provided in the middle. Threaded grooves in different directions are opened on both sides. By rotating the adjusting handwheel, the spacing adjustment rod 45 can be driven to adjust the movement of two sliders 46 under the restriction of the limiting block and the side plate 43, thereby achieving spacing adjustment. The external thread of the spacing adjustment rod 45 is threaded with sliders 46. The mounting base 47 can be moved under the action of the spacing adjustment rod 45. The top of the slider 46 is threadedly connected to the mounting base 47, providing an installation position for the roller 48. The roller 48 is rotatably connected to the top inner side of the mounting base 47, which can reduce the friction between the workpiece and the mounting base 47 and facilitate the rotation and adjustment of the workpiece angle. The external of the mounting base 47 is equipped with a drive component 49, which can provide power for the rotation of the workpiece and realize the automatic rotation of the workpiece. The external sliding connection of the slider 46 is slidably connected to the inside of the placement base 42, making the slider 46 move more smoothly and avoiding deviation. The internal sliding connection of the mounting base 47 is slidably connected to the outside of the limiting plate 44. The placement base 42 slides on the top of the track 2 through the moving seat 41 to meet the welding position requirements. The mounting base 47 is threadedly connected to the spacing adjustment rod 45 through the slider 46 and slides on the top of the placement base 42. The spacing between the two mounting bases 47 can be adjusted according to the workpiece size to adapt to workpieces of different diameters. When the spacing adjustment rod 45 is rotated, the two sliders 46 slide synchronously towards the middle or outward, which can quickly realize the synchronous adjustment of the spacing between the two mounting bases 47.

[0039] Specifically, the two placement mechanisms 4 are used to place the cylindrical workpiece to be welded. The movable seat 41 provides sliding support for the placement base 42 and can drive the placement base 42 to move along the track 2, facilitating the adjustment of the workpiece position to meet welding position requirements. The placement base 42 provides a placement platform for the workpiece and also provides sliding space for the slider 46. The side plate 43 is used to install the limiting plate 44 and the spacing adjustment rod 45. The limiting plate 44 can limit the movement range of the mounting seat 47 and prevent impurities from entering the placement base 42 and affecting the operation of the spacing adjustment rod 45. The spacing adjustment rod 45 can drive the slider 46 to move by rotation. This allows for adjustment of the distance between the two mounting seats 47, and enables the two sliders 46 to slide synchronously towards the center or outwards, quickly adapting to workpieces of different diameters. The sliders 46 can drive the mounting seats 47 to slide on top of the placement base 42, and their movement is smooth, avoiding deviation. The mounting seats 47 provide a mounting position for the rollers 48, and can move with the sliders 46 to adjust the distance with the other mounting seat 47. The rollers 48 can reduce the friction between the workpiece and the mounting seats 47, facilitating the rotation and adjustment of the workpiece angle. The drive assembly 49 can provide power for the rotation of the workpiece, realizing automatic rotation of the workpiece without the need for manual adjustment of the workpiece angle.

[0040] The drive assembly 49 includes a transmission base 491 and a support frame 493. The transmission base 491 provides mounting support for the drive motor 492. The support frame 493 can be used to install components to enhance the stability of the left-side placement base 42 and enhance the support for longer workpieces. The transmission base 491 is externally fixedly connected to the outside of the mounting base 47 on the top right side of the track 2, so that the transmission base 491 and the mounting base 47 are firmly connected to each other, preventing the drive motor 492 from shaking when it is working. The drive motor 492 is externally fixedly connected to the transmission base 491 and can output power to be transmitted to the roller 48 through the transmission base 491 to provide a power source for the rotation of the workpiece. The support frame 493 is externally threadedly connected to the outside of the placement base 42 on the top left side of the track 2.

[0041] Specifically, the drive assembly 49 includes a transmission base 491, a support frame 493, and a drive motor 492, which together ensure the rotation and stable placement of the workpiece. The transmission base 491 provides mounting support for the drive motor 492 and can transmit the power output by the drive motor 492 to the roller 48. It is also firmly connected to the mounting base 47 to prevent the drive motor 492 from shaking during operation. The drive motor 492 can output power as the power source for the rotation of the workpiece, ensuring that the workpiece can rotate automatically to cooperate with the welding operation. The support frame 493 can be equipped with components that enhance the stability of the left-side placement base 42, which can improve the support performance for longer workpieces and prevent longer workpieces from shifting or shaking due to insufficient support, thus ensuring the stability of the workpiece during the welding process.

[0042] Reference Figure 5 and Figure 6The moving mechanism 5 includes a horizontal moving rail 51, which drives the vertical slide rail 52 to move and provides a sliding track 2. The bottom of the horizontal moving rail 51 is fixedly connected to the top of the frame 3 to ensure that the horizontal moving rail 51 is firmly installed. The vertical slide rail 52 is slidably connected to the inner top of the horizontal moving rail 51, which can drive the slide rail seat 55 and the longitudinal moving rail 56 to move laterally. The top of the vertical slide rail 52 is fixedly connected to a control motor 53, which can output power to provide power for the vertical movement of the slide rail seat 55. The output end of the control motor 53 is fixedly connected to a chain drive assembly 54, which can transmit the power of the control motor 53 to the slide rail seat 55 to realize power transmission. The slide rail seat 55 is slidably connected to the outside of the vertical slide rail 52 to provide installation support for the longitudinal moving rail 56. It can move vertically along the vertical slide rail 52. The slide rail base 55 is fixedly connected to the longitudinal moving rail 56. While driving the controller 57 and the double welding gun 58 to move, it provides a sliding rail 2 for them. The controller 57 is slidably connected to the top inner side of the longitudinal moving rail 56, which can control the welding parameters and movement of the double welding gun 58. The output end of the controller 57 is fixedly connected to the double welding gun 58, which can perform two welding operations at the same time, improving welding efficiency. The other end of the chain drive group 54 is sleeved on the top inner side of the slide rail base 55, so that the chain drive group 54 can drive the slide rail base 55 to move along the vertical slide rail 52. The double welding gun 58 is installed on the bottom of the longitudinal moving rail 56, so that the double welding gun 58 can adjust its longitudinal position along the longitudinal moving rail 56 to adapt to different welding requirements.

[0043] Specifically, the moving mechanism 5 integrates multiple components to achieve flexible adjustment and efficient operation of the dual welding guns 58. The transverse moving rail 51 provides a sliding track 2 for the vertical slide rail 52 and drives its movement. The vertical slide rail 52 can drive the slide rail base 55 and the longitudinal moving rail 56 to achieve transverse movement, and also provides a track 2 for the vertical movement of the slide rail base 55. The control motor 53 can output power as the power source for the vertical movement of the slide rail base 55. The chain drive assembly 54 can transmit the power of the control motor 53 to the slide rail base 55, realizing power transmission and driving. The sliding rail base 55 moves along the vertical sliding rail 52. The sliding rail base 55 provides mounting support for the longitudinal moving rail 56 and can move vertically along the vertical sliding rail 52 to adjust the height of the longitudinal moving rail 56. The longitudinal moving rail 56 provides a sliding track 2 for the controller 57 and the dual welding gun 58, driving both to move simultaneously. It also allows the dual welding gun 58 to adjust its longitudinal position along the track to adapt to different welding requirements. The controller 57 can control the welding parameters and movement of the dual welding gun 58 to ensure that the welding process is precise and controllable. The dual welding gun 58 can perform two welding operations simultaneously.

[0044] Reference Figure 5 and Figure 6The positioning mechanism 7 includes a second control motor 71, which outputs power to provide a power source for the movement of the positioning mechanism 7. The second control motor 71 is externally fixedly connected to the top of the positioning frame 6, ensuring a secure installation and stable operation. A chain drive assembly 72 is fixedly connected to the output end of the second control motor 71, which transmits the power of the second control motor 71 to the mounting plate 73, realizing power transmission. The other end of the chain drive assembly 72 is fitted with the mounting plate 73, providing a mounting carrier for the slide rail wheels 74, drive wheels 75, and extension plate 76. Multiple slide rail wheels 74 are rotatably connected to the outside of the mounting plate 73, which reduces friction between the mounting plate 73 and the positioning frame 6, making the movement of the mounting plate 73 more efficient. The mounting plate 73 is smoothly connected to multiple drive wheels 75 on the other side, which can drive the extension plate 76 to move and adjust the extension length of the extension plate 76. The extension plate 76 is slidably connected to the side of the drive wheel 75, which can drive the positioning seat 77 to move closer to or away from the workpiece to achieve positioning adjustment. The positioning seat 77 is fixedly connected to the outer end of the extension plate 76, which can contact the workpiece and accurately position the workpiece. The side of the slide rail wheel 74 is slidably connected to the outside of the positioning frame 6, so that the mounting plate 73 can move stably along the positioning frame 6. The outside of the mounting plate 73 is slidably connected to the outside of the positioning frame 6, which facilitates the adjustment of the position of the mounting plate 73 on the positioning frame 6 and adapts to the positioning requirements of workpieces in different positions.

[0045] Specifically, the positioning mechanism 7 achieves precise workpiece positioning through the collaboration of multiple components. The control motor 71 outputs power as the power source for the movement of the positioning mechanism 7, and is firmly installed to ensure stable operation. The chain drive assembly 72 transmits the power of the control motor 71 to the mounting plate 73, achieving effective power transmission. The mounting plate 73 provides a mounting carrier for the slide wheel 74, drive wheel 75, and extension plate 76, and can adjust its position along the positioning frame 6 to adapt to the positioning requirements of workpieces in different positions. The slide wheel 74 reduces friction between the mounting plate 73 and the positioning frame 6, making the movement of the mounting plate 73 smoother, and also assists the mounting plate 73 in moving stably along the positioning frame 6. The drive wheel 75 can drive the extension plate 76 to move, thereby adjusting the extension length of the extension plate 76. The extension plate 76 can drive the positioning seat 77 to move closer to or away from the workpiece, providing the necessary distance adjustment for positioning. The positioning seat 77 can directly contact the workpiece, thereby accurately positioning the workpiece and preventing workpiece displacement during welding.

[0046] The implementation principle of this application embodiment is as follows: During operation, the cylindrical workpiece to be welded is placed on the rollers 48 of the two placement mechanisms 4. The spacing adjustment rod 45 is rotated according to the workpiece diameter, so that the two sliders 46 slide synchronously towards the middle or outward, driving the mounting seat 47 to slide on the top of the placement base 42. The spacing between the two mounting seats 47 is adjusted to match the workpiece size. At the same time, the moving seat 41 can drive the placement base 42 to slide along the track 2 to further adjust the overall position of the workpiece. The limiting plate 44 prevents impurities from entering the interior of the placement base 42 and affecting the operation of the spacing adjustment rod 45, and limits the movement range of the mounting seat 47. The support frame 493 outside the left placement base 42 enhances the support stability for longer workpieces. The drive assembly 49 is started, and the drive motor 492 on the transmission seat 491 outside the right mounting seat 47 outputs power, which is transmitted to the rollers 48 through the transmission seat 491 to provide power for the rotation of the cylindrical workpiece, ensuring that the workpiece can be adjusted at the required angle.

[0047] Then, the positioning mechanism 7 is activated, and the control motor 71 drives the mounting plate 73 to move along the positioning frame 6 through the chain drive group 72. The slide wheel 74 reduces the friction of the mounting plate 73 during movement, and the drive wheel 75 drives the extension plate 76 to extend or retract, so that the positioning seat 77 contacts the cylindrical workpiece to achieve precise positioning.

[0048] The moving mechanism 5 is activated, and the control motor 53 drives the slide rail seat 55 to move vertically along the vertical slide rail 52 through the chain drive group 54. The vertical slide rail 52 can slide horizontally along the horizontal moving rail 51, and the controller 57 slides vertically along the longitudinal moving rail 56. The three work together to adjust the horizontal, vertical and longitudinal positions of the double welding gun 58 so that the double welding gun 58 is accurately aligned with the welding position.

[0049] During welding, the drive motor 492 continuously drives the roller 48 to rotate, keeping the cylindrical workpiece rotating stably and ensuring welding uniformity. The controller 57 controls the welding parameters of the double welding gun 58 in real time, and adjusts the position of the double welding gun 58 according to the welding trajectory requirements through the cooperation of the transverse moving rail 51, the vertical sliding rail 52, and the longitudinal moving rail 56. The double welding gun 58 performs two welding operations simultaneously, effectively improving welding efficiency. During this process, the positioning seat 77 of the positioning mechanism 7 always keeps in contact with the cylindrical workpiece to prevent the workpiece from shifting during rotation and welding.

[0050] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cylindrical half-pipe double-gun welding machine, comprising a track (2) and a frame (3), characterized in that: The track (2) is connected to the frame (3) via the base (1). A positioning frame (6) is fixedly connected to the top outer side of the base (1). Two placement mechanisms (4) are provided on the top of the track (2). A moving mechanism (5) is provided on the top of the frame (3). A positioning mechanism (7) is provided on the outside of the positioning frame (6). The placement mechanism (4) includes multiple movable seats (41). The bottom of the movable seat (41) is slidably connected to the top of the track (2). A placement base (42) is fixedly connected to the adjacent side of the movable seat (41). Side plates (43) are fixedly connected to both ends of the placement base (42). A limit plate (44) is fixedly connected to the top of the side plate (43). A spacing adjustment rod (45) is rotatably connected to the adjacent side of the side plate (43). A slider (46) is threadedly connected to the outside of the spacing adjustment rod (45). A mounting seat (47) is threadedly connected to the top of the slider (46). A roller (48) is rotatably connected to the inner top of the mounting seat (47). A drive assembly (49) is installed on the outside of the mounting seat (47).

2. The cylindrical half-pipe double-gun welding machine according to claim 1, characterized in that: The moving mechanism (5) includes a transverse moving rail (51), the bottom of which is fixedly connected to the top of the frame (3). A vertical slide rail (52) is slidably connected to the inner side of the top of the transverse moving rail (51). A control motor (53) is fixedly connected to the top of the vertical slide rail (52). A chain drive assembly (54) is fixedly connected to the output end of the control motor (53). A slide rail seat (55) is slidably connected to the outside of the vertical slide rail (52). A longitudinal moving rail (56) is fixedly connected to the outside of the slide rail seat (55). A controller (57) is slidably connected to the inner side of the top of the longitudinal moving rail (56). A double welding gun (58) is fixedly connected to the output end of the controller (57).

3. The cylindrical half-pipe double-gun welding machine according to claim 2, characterized in that: The other end of the chain drive assembly (54) is fitted inside the top of the slide rail seat (55), and the outside of the double welding gun (58) is mounted on the bottom of the longitudinal moving rail (56).

4. The cylindrical half-pipe double-gun welding machine according to claim 1, characterized in that: The positioning mechanism (7) includes a second control motor (71), which is externally fixedly connected to the top of the positioning frame (6). The output end of the second control motor (71) is fixedly connected to a second chain drive assembly (72). The other end of the second chain drive assembly (72) is fitted with a mounting plate (73). The outside of the mounting plate (73) is rotatably connected to a plurality of slide rail wheels (74). The other side of the mounting plate (73) is rotatably connected to a plurality of drive wheels (75). An extension plate (76) is slidably connected to the adjacent side of the drive wheels (75). A positioning seat (77) is fixedly connected to one end of the extension plate (76).

5. A cylindrical half-pipe double-gun welding machine according to claim 4, characterized in that: The adjacent side of the slide rail wheel (74) is slidably connected to the outside of the positioning frame (6), and the outside of the mounting plate (73) is slidably connected to the outside of the positioning frame (6).

6. The cylindrical half-pipe double-gun welding machine according to claim 1, characterized in that: The drive assembly (49) includes a drive seat (491) and a support frame (493). The drive seat (491) is externally fixedly connected to the outside of the mounting seat (47) on the right side of the top of the track (2). A drive motor (492) is externally fixedly connected to the outside of the drive seat (491). The support frame (493) is externally threadedly connected to the outside of the placement base (42) on the left side of the top of the track (2).

7. A cylindrical half-pipe double-gun welding machine according to claim 1, characterized in that: The slider (46) is externally slidably connected to the inside of the placement base (42), and the mounting base (47) is internally slidably connected to the outside of the limiting plate (44).

8. A cylindrical half-pipe double-gun welding machine according to claim 1, characterized in that: The placement base (42) slides on the top of the track (2) via the movable seat (41), and the mounting seat (47) slides on the top of the placement base (42) via the threaded connection between the slider (46) and the spacing adjustment rod (45). When the spacing adjustment rod (45) is rotated, the two sliders (46) slide synchronously toward the middle or outward.

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