Ultrathin helical finned tube laser welding machine

Abstract

The utility model discloses an ultrathin helical finned tube laser welding machine in the field of welding machines, which comprises a whole machine head and a whole machine body, the whole machine body is connected to one side of the whole machine head to form a complete processing system, and the whole machine head is responsible for key procedures such as clamping of a steel tube, feeding of a steel belt, welding, mold control, breaking and guiding; the whole machine body achieves movement of the transmission trolley so as to be matched with the whole machine head to complete the whole welding process. The equipment is composed of a plurality of mechanisms with different functions, all the mechanisms are mutually supported and matched in structure, and the synergistic effect of all the mechanisms is optimized; and due to ordered operation of all the mechanisms, the equipment can show more stable performance in the running process, and it can be guaranteed that the equipment can keep high stability and reliability in the complex and changeable working environment.

Description

Technical Field

[0001] This utility model relates to the field of welding machine technology, specifically to an ultra-thin spiral finned tube laser welding machine. Background Technology

[0002] Spiral finned tubes, as highly efficient heat exchange elements, are widely used in industrial production. Especially in applications requiring efficient heat conduction and exchange, such as cooling systems and heating devices, spiral finned tubes significantly improve heat exchange efficiency due to their unique structural design. However, while laser welding technology is widely used in the manufacturing process of spiral finned tubes...

[0003] Currently, welding machines used for laser welding of spiral finned tubes often have complex internal structures, requiring multiple welding operations to be completed sequentially through various components. These components need to work in close coordination during the welding process to ensure stable laser beam output and precise focusing. However, in practical applications, due to the complexity and precision of the welding machine's internal structure, incoordination exists between the various mechanisms, thus affecting the operation of laser welding of spiral finned tubes. Utility Model Content

[0004] In order to overcome the shortcomings of existing technical solutions, this utility model provides an ultra-thin spiral finned tube laser welding machine, which can effectively solve the technical problem of insufficient stability of the equipment currently used for spiral finned tube laser welding.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] The ultra-thin spiral finned tube laser welding machine includes a machine head and a machine body. The machine body is connected to one side of the machine head. The machine head includes a machine head frame. A bracket is fixedly connected to the upper end face of the machine head frame. A clamping plate is fixedly connected to the middle of the bracket. The clamping plate has a top opening in the middle for placing a steel pipe. A steel pipe clamping mechanism, a steel strip feeding mechanism, a welding mechanism, a mold control mechanism, a cutting mechanism, and a guiding mechanism are sequentially arranged on the bracket.

[0007] The steel pipe clamping mechanism includes two upper clamping bearing seats, two side clamping bearing seats, and a lower clamping bearing seat. The upper clamping bearing seats are symmetrically arranged to clamp the upper left and upper right of the steel pipe, respectively. The side clamping bearing seats are symmetrically arranged to clamp the two sides of the steel pipe, and the lower clamping bearing seat is used to clamp the lower part of the steel pipe.

[0008] The steel strip feeding mechanism includes a steel strip stabilizer and a steel strip feeder for sequentially conveying steel strips. The steel strip stabilizer includes a stationary mounting plate fixed on a bracket. A liftable and movable brake plate and pressure roller mounting plate are suspended on one side of the stationary mounting plate. Several tungsten steel rods for adhering to both sides of the steel strip are arranged at positions corresponding to the brake plate and the stationary mounting plate. Several pressure roller components for adhering to both sides of the steel strip are arranged at positions corresponding to the stationary mounting plate.

[0009] The steel strip feeder is equipped with a conveying trough for feeding the steel strip onto the top of the steel pipe, so that the fed steel strip comes into contact with the top of the steel pipe.

[0010] The welding mechanism includes a laser head for welding and fixing steel strip to steel pipe and a laser head moving module fixed on a bracket. The laser head moving module is connected to one end of the laser head and controls the laser head to extend towards one end of the chuck.

[0011] The mold control mechanism includes a common mold frame that is connected to a support and is lifted and lowered. The common mold frame is connected to a main mold mounting arm and a secondary mold mounting arm that extend to both sides of the clamping plate. The main mold mounting arm is equipped with a main mold for extruding one side of the steel strip, and the main mold is controlled to rotate by a main mold servo motor fixed on the main mold mounting arm. The secondary mold mounting arm is equipped with a secondary mold for extruding the other side of the steel strip. One end of the secondary mold mounting arm is connected to the common mold frame through a rotating shaft, so that the secondary mold can be vertically rotated along the rotating shaft. The rotation of the secondary mold mounting arm is controlled by a secondary mold control cylinder installed on the common mold frame.

[0012] An adjustable main mold adjusting screw is inserted into one end of the main mold mounting arm that connects to the common mold frame, so that the main mold mounting arm can rotate horizontally along the axis of the main mold adjusting screw in conjunction with the main mold. Several main mold positioning screws that are positioned with the common mold frame are also inserted into the main mold mounting arm.

[0013] The sub-mold is connected to the sub-mold mounting arm at one end, which is provided with a sub-mold angle adjustment shaft that is inserted into the sub-mold mounting arm and rotates therein. The sub-mold mounting arm is also provided with a sub-mold positioning screw for locking the sub-mold angle adjustment shaft.

[0014] The breaking mechanism includes a breaking mounting frame fixed to one side of the support, and the breaking mounting frame is provided with a material hole for conveying steel strip. On the other side of the support, a breaking cutter is installed that can quickly cut into the material hole and break the steel strip after being controlled by a breaking control cylinder.

[0015] The guiding mechanism includes a guiding mounting seat fixed on a bracket, the guiding mounting seat being equipped with a guiding wheel that can extend toward the hole for guiding the steel strip, and a guiding moving cylinder for controlling the movement of the guiding wheel is provided on the guiding mounting seat.

[0016] The overall body includes a frame, a transmission trolley, and a drive module. The frame is provided with a guide rail connected to the transmission trolley, and the transmission trolley moves along the length of the guide rail under the control of the drive module.

[0017] The transmission trolley includes a transmission plate. A planetary reducer and a rotary motor are fixedly connected to the upper end of the transmission plate. The output end of the rotary motor is connected to the input end of the planetary reducer. A tapered threaded shaft is coaxially connected to the output end of the planetary reducer. Several chuck jaws for clamping copper tubes are circumferentially arranged at the end of the tapered threaded shaft away from the planetary reducer. A rotatable tapered head and a jaw tensioning wheel are sleeved on the outer side of the tapered threaded shaft. The chuck jaws are clamped and fixed by rotating the jaw tensioning wheel in conjunction with the tapered head.

[0018] Furthermore, the upper clamping bearing seat is fixed to the top opening of the clamping plate by an adjustable upper locking member, one of the side clamping bearing seats is fixed to one side of the clamping plate by an adjustable side locking member, the other side clamping bearing seat is driven and controlled by a side clamping control cylinder fixed on the bracket, and the lower clamping bearing seat is raised and lowered by a lower clamping control cylinder fixed on the machine head frame.

[0019] Furthermore, the brake plate is located at the front end of the pressure roller mounting plate, and the stationary mounting plate is fixedly connected to a brake cylinder that drives and controls the lifting and lowering of the brake plate and a pressure roller cylinder that drives and controls the lifting and lowering of the pressure roller mounting plate.

[0020] Furthermore, the steel strip feeder is fitted to the outside of the bracket, and its height is adjusted by adjusting bolts installed on the bracket. A guide rod for controlling the direction of movement is also inserted inside the steel strip feeder.

[0021] Furthermore, the laser head moving module includes an X-axis drive module fixed on the bracket and a Y-axis drive module that moves on the X-axis drive module. The laser head is connected to the Y-axis drive module through a connecting plate, and a laser head adjusting screw for controlling the vertical angle of the laser head is provided between the connecting plate and the Y-axis drive module.

[0022] Furthermore, the support is provided with a mold frame slide for controlling the moving direction of the common mold frame, and the top of the support is provided with a mold frame lifting cylinder for controlling the movement of the common mold frame within the mold frame slide.

[0023] Furthermore, the breaking mounting bracket is disposed between the steel strip stabilizer and the steel strip feeder, and the bracket is provided with a cutting hole for inserting the breaking tool, the cutting hole being in communication with the feed hole.

[0024] Furthermore, a lifting mechanism for lifting the processed steel pipe is provided at one end of the machine head frame near the machine body. The lifting mechanism includes a lifting frame fixed to the machine head frame. The bottom of the lifting frame is provided with a lower lifting bearing for lifting the bottom of the steel pipe after it rises. The lower lifting bearing is controlled by a lifting control cylinder connected to the bottom of the machine head frame. The two ends of the lifting frame are symmetrically provided with side lifting bearings for clamping the two sides of the steel pipe. The side lifting bearings are connected to one end of the lifting frame through a movable rod, so that the side lifting bearings can rotate along the axis of the movable rod. The lifting frame is provided with a linkage component that moves up and down in conjunction with the lower lifting bearing. The linkage component is connected to the other end of the side lifting bearing with a linkage rod.

[0025] Furthermore, the drive module consists of a rack, a transmission gear, and a transmission motor. The rack is fixedly connected to the frame and is arranged parallel to the guide rail. The transmission motor is fixedly connected to the bottom of the transmission plate. The transmission gear is installed at the output end of the transmission motor and meshes with the rack.

[0026] Furthermore, the output end of the planetary reducer is connected to the tapered head threaded shaft via a coupling sleeve, a cross connector, and a chuck elastic coupling. The coupling sleeve connects to the output end of the planetary reducer, the chuck elastic coupling connects to one end of the tapered head threaded shaft, and the cross connector connects between the coupling sleeve and the chuck elastic coupling.

[0027] Compared with the prior art, the beneficial effects of this utility model are:

[0028] The device provided by this utility model consists of multiple mechanisms with different functions. These mechanisms support and cooperate with each other structurally, optimizing their synergistic effect. The orderly operation of each mechanism allows the device to exhibit more stable performance during operation, helping to ensure that the device maintains high stability and reliability in complex and changing working environments. Attached Figure Description

[0029] Figure 1 This is a front view schematic diagram of the overall structure of this utility model embodiment;

[0030] Figure 2 This is a rear view of the overall structure of an embodiment of the present utility model;

[0031] Figure 3 This is a schematic diagram of the overall structure of the machine head in an embodiment of this utility model;

[0032] Figure 4 This is a schematic diagram of the steel pipe clamping mechanism and mold control mechanism on the support frame in an embodiment of this utility model;

[0033] Figure 5This is a schematic diagram of the steel pipe clamping mechanism and mold control mechanism on the bracket in another direction according to an embodiment of this utility model;

[0034] Figure 6 This is a schematic diagram showing the connection between the steel strip feeding mechanism and the breaking mechanism in an embodiment of this utility model;

[0035] Figure 7 This is a schematic diagram of the internal structure of the steel strip feeding mechanism and the breaking mechanism in an embodiment of this utility model;

[0036] Figure 8 This is a schematic diagram of the welding mechanism structure according to an embodiment of the present utility model;

[0037] Figure 9 This is a schematic diagram of the guiding mechanism structure according to an embodiment of the present utility model;

[0038] Figure 10 This is a schematic diagram of the lifting mechanism structure according to an embodiment of the present utility model;

[0039] Figure 11 This is a schematic diagram of the overall structure of the fuselage according to an embodiment of the present utility model;

[0040] Figure 12 This is a schematic diagram of the transmission trolley structure according to an embodiment of the present utility model;

[0041] Numbering on the map:

[0042] 1-Machine head frame, 2-Bracket, 3-Clamping plate, 4-Hole, 5-Steel pipe clamping mechanism, 6-Steel strip feeding mechanism, 7-Welding mechanism, 8-Mold control mechanism, 9-Break-off mechanism, 10-Guiding mechanism, 11-Machine body frame, 12-Transmission trolley, 13-Drive module, 14-Guide rail, 15-Lifting mechanism, 16-Steel strip, 17-Steel pipe;

[0043] 501 - Upper clamping bearing housing, 502 - Side clamping bearing housing, 503 - Lower clamping bearing housing, 504 - Upper locking component, 505 - Side locking component, 506 - Side clamping control cylinder, 507 - Lower clamping control cylinder;

[0044] 601 - Steel strip stabilizer, 602 - Steel strip feeder;

[0045] 611-Stationary mounting plate, 612-Brake plate, 613-Pressure roller mounting plate, 614-Tungsten steel rod, 615-Pressure roller component, 616-Brake cylinder, 617-Pressure roller cylinder;

[0046] 621-Conveying trough, 622-Adjusting bolt, 623-Guide rod;

[0047] 701 - Laser head; 702 - Laser head moving module;

[0048] 721-X-axis drive module, 722-Y-axis drive module, 723-connecting plate, 724-laser head adjusting screw;

[0049] 801-Common mold frame, 802-Main mold mounting arm, 803-Secondary mold mounting arm, 804-Main mold, 805-Main mold servo motor, 806-Secondary mold, 807-Rotating shaft, 808-Secondary mold control cylinder, 809-Main mold adjusting screw, 810-Main mold positioning screw, 811-Secondary mold angle adjusting shaft, 812-Secondary mold positioning screw, 813-Mold frame slide, 814-Mold frame lifting cylinder;

[0050] 901 - Disconnect the mounting bracket; 902 - Material hole; 903 - Disconnect the control cylinder; 904 - Disconnect the tool; 905 - Tool hole;

[0051] 1001-Guide mounting base, 1002-Guide wheel, 1003-Guide moving cylinder, 1004-Guide fitting cylinder;

[0052] 1201-Transmission plate, 1202-Planetary reducer, 1203-Rotary motor, 1204-Tapered head threaded shaft, 1205-Chuck jaws, 1206-Tapered head, 1207-Chuck jaw tensioner, 1208-Coupling sleeve, 1209-Cross connector, 1210-Chuck flexible coupling;

[0053] 1301-Rack and pinion, 1302-Transmission gear, 1303-Transmission motor;

[0054] 1501-Lifting frame, 1502-Lower lifting bearing, 1503-Lifting control cylinder, 1504-Side lifting bearing, 1505-Moving rod, 1506-Linkage component, 1507-Linkage rod. Detailed Implementation

[0055] 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.

[0056] like Figure 1-12As shown, this utility model provides an ultra-thin spiral finned tube laser welding machine, which consists of two main parts: a machine head assembly and a machine body assembly. The machine body assembly is connected to one side of the machine head assembly, forming a complete processing system through the connection between the machine head frame 1 and the machine body frame 11. The machine head assembly is responsible for key processes such as clamping the steel pipe 17, feeding the steel strip, welding, mold control, cutting, and guiding; the machine body assembly enables the movement of the transmission carriage to cooperate with the machine head assembly to complete the entire welding process.

[0057] The machine head frame 1 serves as the supporting foundation for the entire machine head, with a bracket 2 fixedly connected to its upper surface. The bracket 2 plays a crucial role in supporting and positioning the various functional components during the entire machine head operation, ensuring accurate relative positioning between components and guaranteeing the smooth progress of welding and other processes. A clamping plate 3 is fixedly connected to the middle of the bracket 2, and a top opening 4 in the middle of the clamping plate 3 is used to place the steel pipe 17. The dimensions of this opening 4 are designed according to the specifications of the steel pipe 17 to be processed, ensuring that the steel pipe 17 can be accurately placed in the designated position, providing a foundation for subsequent clamping and welding processes. On the bracket 2, a steel pipe clamping mechanism 5, a steel strip feeding mechanism 6, a welding mechanism 7, a mold control mechanism 8, a breaking mechanism 9, and a guiding mechanism 10 are sequentially arranged.

[0058] The steel pipe clamping mechanism 5 includes an upper clamping bearing seat 501, a side clamping bearing seat 502, and a lower clamping bearing seat 503. The upper clamping bearing seat 501 is fixed to the top opening of the clamping plate 3 by an adjustable upper locking member 504, accommodating clamping requirements for steel pipes 17 of different diameters. One side clamping bearing seat 502 is fixed to one side of the clamping plate 3 by an adjustable side locking member 505, while the other side clamping bearing seat 502 is driven and controlled by a side clamping control cylinder 506 fixed to the bracket 2, allowing for flexible adjustment according to the position and condition of the steel pipe 17. The lower clamping bearing seat 503 is raised and lowered by a lower clamping control cylinder 507 fixed to the machine head frame 1, achieving stable clamping of the steel pipe 17 from below. All clamping bearing seats work together to ensure that the steel pipe 17 remains in a fixed position during welding.

[0059] The steel strip feeding mechanism 6 includes a steel strip stabilizer 601 and a steel strip feeder 602 for sequentially conveying the steel strip 16. When the steel strip 16 is conveyed, it first passes through the steel strip stabilizer 601 and then through the steel strip feeder 602.

[0060] The steel belt stabilizer 601 includes a stationary mounting plate 611 fixed on a bracket 2. A movable brake plate 612 and a pressure roller mounting plate 613 are suspended on one side of the stationary mounting plate 611. The brake plate 612 is located at the front end of the pressure roller mounting plate 613. The stationary mounting plate 611 is fixedly connected to a brake cylinder 616 that drives and controls the lifting and lowering of the brake plate 612, and a pressure roller cylinder 617 that drives and controls the lifting and lowering of the pressure roller mounting plate 613. Corresponding to the position on the brake plate 612 and the stationary mounting plate 611, several tungsten carbide rods 614 for adhering to both sides of the steel belt 16 are arranged, and corresponding to the position on the pressure roller mounting plate 613 and the stationary mounting plate 611, several pressure roller components 615 for adhering to both sides of the steel belt 16 are arranged. Through the control of the brake cylinder 616 and the pressure roller cylinder 617, the brake plate 612 and the pressure roller mounting plate 613 can stably clamp and convey the steel belt 16, ensuring the flatness and stability of the steel belt 16 during the feeding process.

[0061] The steel strip feeder 602 is fitted to the outside of the support 2, and its height is adjustable via adjusting bolts 622 mounted on the support 2 to accommodate the conveying needs of steel strips 16 of different thicknesses. A guide rod 623 for controlling the direction of movement is also inserted inside the steel strip feeder 602 to ensure that the steel strip 16 is accurately conveyed upwards onto the steel pipe 17. The steel strip feeder 602 has a conveying trough 621 inside for conveying the steel strip 16 upwards onto the steel pipe 17, ensuring that the conveyed steel strip 16 contacts the top of the steel pipe 17, preparing it for the welding process.

[0062] The welding mechanism 7 includes a laser head 701 and a laser head moving module 702 fixed on the bracket 2. The laser head moving module 702 includes an X-axis drive module 721 fixed on the bracket 2 and a Y-axis drive module 722 that moves on the X-axis drive module 721. The laser head 701 is connected to the Y-axis drive module 722 via a connecting plate 723. A laser head adjusting screw 724 for controlling the vertical angle of the laser head 701 is provided between the connecting plate 723 and the Y-axis drive module 722. The laser head moving module 702 connects to one end of the laser head 701 and controls the laser head 701 to extend towards the clamping plate 3. Through the coordinated work of the X-axis and Y-axis drive modules, the laser head 701 can move precisely in a two-dimensional plane, ensuring that the laser can accurately irradiate the welding area between the steel strip 16 and the steel pipe 17, thus completing the welding operation.

[0063] The mold control mechanism 8 includes a common mold frame 801 that is connected to and lifted on the support 2. The support 2 is provided with a mold frame slide 813 for controlling the movement direction of the common mold frame 801. A mold frame lifting cylinder 814 is provided on the top of the support 2 for controlling the movement of the common mold frame 801 within the mold frame slide 813. A main mold mounting arm 802 and a secondary mold mounting arm 803 extending to both sides of the clamping plate 3 are connected to the common mold frame 801.

[0064] The main mold mounting arm 802 is equipped with a main mold 804 for extruding one side of the steel strip 16, and the main mold 804 is rotated by a main mold servo motor 805 fixed on the main mold mounting arm 802. An adjustable main mold adjusting screw 809 is inserted into one end of the main mold mounting arm 802 connected to the common mold frame 801, allowing the main mold mounting arm 802 to rotate horizontally along the axis of the main mold adjusting screw 809 in conjunction with the main mold 804. Several main mold positioning screws 810, which are positioned with the common mold frame 801, are also inserted into the main mold mounting arm 802. The auxiliary mold mounting arm 803 is equipped with an auxiliary mold 806 for extruding the other side of the steel strip 16. One end of the auxiliary mold mounting arm 803 is connected to the common mold frame 801 via a rotating shaft 807, allowing the auxiliary mold 806 to rotate vertically along the rotating shaft 807. The rotation of the auxiliary mold mounting arm 803 is controlled by an auxiliary mold control cylinder 808 mounted on the common mold frame 801. The auxiliary mold 806 is connected to the auxiliary mold mounting arm 803 at one end, and is provided with an auxiliary mold angle adjustment shaft 811 that is inserted into and rotates within the auxiliary mold mounting arm 803. A secondary mold positioning screw 812 for locking the auxiliary mold angle adjustment shaft 811 is also provided on the auxiliary mold mounting arm 803. Through the coordinated action of the main mold servo motor 805, the auxiliary mold control cylinder 808, and the various adjustment screws, precise control of the main mold 804 and the auxiliary mold 806 can be achieved, ensuring that the steel strip 16 can be accurately extruded and formed during the welding process.

[0065] The breaking mechanism 9 includes a breaking mounting bracket 901 fixed to one side of the support 2. The breaking mounting bracket 901 is positioned between the steel strip stabilizer 601 and the steel strip feeder 602. The support 2 has a cutting hole 905 for inserting the breaking tool 904, which communicates with the material hole 902. The breaking mounting bracket 901 has a material hole 902 for conveying the steel strip 16. On the other side of the support 2, a breaking tool 904 is installed, which, controlled by a breaking control cylinder 903, can quickly cut into the material hole 902 to break the steel strip 16. After welding is completed, the breaking control cylinder 903 drives the breaking tool 904 to quickly cut into the material hole 902, breaking the steel strip 16 for the next process.

[0066] The guiding mechanism 10 includes a guiding mounting seat 1001 fixed on the bracket 2. The guiding mounting seat 1001 is equipped with a guiding wheel 1002 that extends towards the hole 4 for guiding the steel strip 16. A guiding moving cylinder 1003 is also provided on the guiding mounting seat 1001 to control the movement of the guiding wheel 1002. The guiding moving cylinder 1003 drives the guiding wheel 1002 to move, enabling the guiding wheel 1002 to accurately align with the hole 4 and guide the steel strip 16, especially ensuring the accuracy of the steel strip 16's position when welding is not required at the tail end. Simultaneously, a guiding contact cylinder 1004 is provided on the bracket 2 to control the contact between the guiding wheel 1002 and the steel strip 16, controlling the direction of movement when there is no welding at the tail end of the steel strip 16.

[0067] A lifting mechanism 15 for supporting the processed steel pipe 17 is provided at one end of the machine head frame 1 near the machine body. The lifting mechanism 15 includes a lifting frame 1501 fixed to the machine head frame 1. The bottom of the lifting frame 1501 is provided with a lower lifting bearing 1502 for supporting the bottom of the steel pipe 17 after it is raised. The lower lifting bearing 1502 is controlled by a lifting control cylinder 1503 connected to the bottom of the machine head frame 1. The two ends of the lifting frame 1501 are symmetrically provided with side lifting bearings 1504 for clamping the two sides of the steel pipe 17. The side lifting bearings 1504 are connected to one end of the lifting frame 1501 through a movable rod 1505, so that the side lifting bearings 1504 can rotate along the axial direction of the movable rod 1505. The lifting frame 1501 is equipped with a linkage component 1506 that is linked to the lower lifting bearing 1502 for lifting and lowering. The linkage component 1506 is connected to the other end of the side lifting bearing 1504 by a linkage rod 1507. After welding is completed, the lifting control cylinder 1503 drives the lower lifting bearing 1502 to rise. Through the action of the linkage component 1506 and the linkage rod 1507, the side lifting bearing 1504 is flipped and clamps both sides of the steel pipe 17, thereby lifting the processed steel pipe 17 and facilitating its subsequent removal.

[0068] The fuselage consists of a fuselage frame 11, a transmission trolley 12, and a drive module 13. The fuselage frame 11 is provided with a guide rail 14 connected to the transmission trolley 12, and the transmission trolley 12 is controlled by the drive module 13 to move along the length of the guide rail 14.

[0069] The transmission trolley 12 includes a transmission plate 1201. A planetary reducer 1202 and a rotary motor 1203 are fixedly connected to the upper end of the transmission plate 1201. The output end of the rotary motor 1203 is connected to the input end of the planetary reducer 1202. A tapered threaded shaft 1204 is coaxially connected to the output end of the planetary reducer 1202. The output end of the planetary reducer 1202 and the tapered threaded shaft 1204 are connected by a coupling sleeve 1208, a cross connector 1209, and a chuck elastic coupling 1210. The coupling sleeve 1208 is connected to the output end of the planetary reducer 1202, the chuck elastic coupling 1210 is connected to one end of the tapered threaded shaft 1204, and the cross connector 1209 is connected between the coupling sleeve 1208 and the chuck elastic coupling 1210. The tapered head threaded shaft 1204, located away from the planetary reducer 1202, has several chuck jaws 1205 circumferentially arranged for clamping the copper tube. A rotatable tapered head 1206 and jaw tensioning wheels 1207 are fitted around the outer side of the tapered head threaded shaft 1204. The chuck jaws 1205 are clamped and fixed by rotating the jaw tensioning wheels 1207 in conjunction with the tapered head 1206. The planetary reducer 1202 is driven by a rotary motor 1203, which in turn drives the tapered head threaded shaft 1204 to rotate, thus achieving clamping and rotation control of the copper tube.

[0070] The drive module 13 consists of a rack 1301, a transmission gear 1302, and a drive motor 1303. The rack 1301 is fixedly connected to the machine frame 11 and is arranged parallel to the guide rail 14. The drive motor 1303 is fixedly connected to the bottom of the transmission plate 1201. The transmission gear 1302 is installed at the output end of the drive motor 1303 and meshes with the rack 1301. The drive motor 1303 drives the transmission gear 1302 to rotate. Since the transmission gear 1302 meshes with the rack 1301, it drives the transmission carriage 12 to move along the guide rail 14, thereby adjusting the position of the transmission carriage 12 on the machine frame 11.

[0071] In summary, the device provided by this utility model consists of multiple mechanisms with different functions. These mechanisms support and cooperate with each other structurally, optimizing their synergistic effect. The orderly operation of each mechanism allows the device to exhibit more stable performance during operation, helping to ensure that the device maintains high stability and reliability in complex and changing working environments.

[0072] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention, and no reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An ultra-thin spiral finned tube laser welding machine, comprising a machine head body and a machine body, the machine body is connected to one side of the machine head body, characterized in that: The machine head assembly includes a machine head frame, a bracket is fixedly connected to the upper end face of the machine head frame, a clamping plate is fixedly connected to the middle of the bracket, and a hole with a top opening in the middle of the clamping plate for placing a steel pipe is provided. A steel pipe clamping mechanism, a steel strip feeding mechanism, a welding mechanism, a mold control mechanism, a breaking mechanism, and a guiding mechanism are sequentially arranged on the bracket. The steel pipe clamping mechanism includes two upper clamping bearing seats, two side clamping bearing seats, and a lower clamping bearing seat. The upper clamping bearing seats are symmetrically arranged to clamp the upper left and upper right of the steel pipe, respectively. The side clamping bearing seats are symmetrically arranged to clamp the two sides of the steel pipe. The lower clamping bearing seat is used to clamp the lower part of the steel pipe. The steel strip feeding mechanism includes a steel strip stabilizer and a steel strip feeder for sequentially conveying steel strips. The steel strip stabilizer includes a stationary mounting plate fixed on a bracket. A liftable and movable brake plate and pressure roller mounting plate are suspended on one side of the stationary mounting plate. A plurality of tungsten steel rods for adhering to both sides of the steel strip are provided at positions corresponding to the brake plate and the stationary mounting plate. A plurality of pressure roller components for adhering to both sides of the steel strip are provided at positions corresponding to the pressure roller mounting plate and the stationary mounting plate. The steel strip feeder is equipped with a conveying trough for conveying steel strips to the top of the steel pipe, so that the conveyed steel strips come into contact with the top of the steel pipe. The welding mechanism includes a laser head for welding and fixing the steel strip to the steel pipe and a laser head moving module fixed on the bracket. The laser head moving module is connected to one end of the laser head and controls the laser head to extend to one end of the chuck. The mold control mechanism includes a common mold frame that is connected to a support and is lifted and lowered. The common mold frame is connected to a main mold mounting arm and a secondary mold mounting arm that extend to both sides of the clamping plate. The main mold mounting arm is equipped with a main mold for extruding one side of the steel strip, and the main mold is controlled to rotate by a main mold servo motor fixed on the main mold mounting arm. The secondary mold mounting arm is equipped with a secondary mold for extruding the other side of the steel strip. One end of the secondary mold mounting arm is connected to the common mold frame through a rotating shaft, so that the secondary mold can be vertically rotated along the rotating shaft. The rotation of the secondary mold mounting arm is controlled by a secondary mold control cylinder installed on the common mold frame. An adjustable main mold adjusting screw is inserted into one end of the main mold mounting arm that is connected to the common mold frame, so that the main mold mounting arm can rotate horizontally along the axis of the main mold adjusting screw in conjunction with the main mold. Furthermore, several main mold positioning screws that are positioned with the common mold frame are inserted into the main mold mounting arm. The sub-mold is provided with a sub-mold angle adjustment shaft that is inserted into the sub-mold mounting arm and rotates, and a sub-mold positioning screw for locking the sub-mold angle adjustment shaft is provided on the sub-mold mounting arm. The breaking mechanism includes a breaking mounting frame fixed on one side of the bracket. The breaking mounting frame is provided with a material hole for conveying steel strip. On the other side of the bracket, a breaking cutter is installed that can quickly cut into the material hole and break the steel strip after being controlled by a breaking control cylinder. The guiding mechanism includes a guiding mounting seat fixed on a bracket, the guiding mounting seat is equipped with a guiding wheel that can extend toward the hole for guiding the steel strip, and a guiding moving cylinder for controlling the movement of the guiding wheel is provided on the guiding mounting seat. The fuselage consists of a fuselage frame, a transmission trolley, and a drive module. The fuselage frame is provided with a guide rail connected to the transmission trolley, and the transmission trolley is controlled by the drive module to move along the length of the guide rail. The transmission trolley includes a transmission plate. A planetary reducer and a rotary motor are fixedly connected to the upper end of the transmission plate. The output end of the rotary motor is connected to the input end of the planetary reducer. A tapered threaded shaft is coaxially connected to the output end of the planetary reducer. Several chuck jaws for clamping copper tubes are circumferentially arranged at the end of the tapered threaded shaft away from the planetary reducer. A rotatable tapered head and a jaw tensioning wheel are sleeved on the outer side of the tapered threaded shaft. The chuck jaws are clamped and fixed by rotating the jaw tensioning wheel in conjunction with the tapered head.

2. The ultra-thin spiral fin tube laser welding machine according to claim 1, characterized in that: The upper clamping bearing seat is fixed to the top opening of the clamping plate by an adjustable upper locking member. One of the side clamping bearing seats is fixed to one side of the clamping plate by an adjustable side locking member. The other side clamping bearing seat is driven and controlled by a side clamping control cylinder fixed on the bracket. The lower clamping bearing seat is raised and lowered by a lower clamping control cylinder fixed on the machine head frame.

3. The ultra-thin spiral fin tube laser welding machine according to claim 1, characterized in that: The brake plate is located at the front end of the pressure roller mounting plate. The stationary mounting plate is fixedly connected to a brake cylinder that drives and controls the lifting and lowering of the brake plate and a pressure roller cylinder that drives and controls the lifting and lowering of the pressure roller mounting plate.

4. The ultra-thin laser tube welder of claim 3, wherein: The steel strip feeder is attached to the outside of the bracket, and its height is adjusted by adjusting bolts installed on the bracket. A guide rod for controlling the direction of movement is also inserted inside the steel strip feeder.

5. The ultra-thin spiral fin tube laser welding machine according to claim 1, characterized in that: The laser head moving module includes an X-axis drive module fixed on a bracket and a Y-axis drive module that moves on the X-axis drive module. The laser head is connected to the Y-axis drive module via a connecting plate, and a laser head adjusting screw for controlling the vertical angle of the laser head is provided between the connecting plate and the Y-axis drive module.

6. The ultra-thin spiral fin tube laser welding machine according to claim 1, characterized in that: The support frame is equipped with a mold frame slide for controlling the movement direction of the common mold frame, and the top of the support frame is equipped with a mold frame lifting cylinder for controlling the movement of the common mold frame within the mold frame slide.

7. The ultra-thin spiral finned tube laser welding machine according to claim 1, characterized in that: The breaking mounting bracket is positioned between the steel strip stabilizer and the steel strip feeder. The bracket has a cutting hole for inserting the breaking tool, and the cutting hole is in communication with the feed hole.

8. The ultra-thin spiral fin tube laser welding machine according to claim 1, characterized in that: The machine head frame is equipped with a lifting mechanism for supporting the processed steel pipe at one end near the machine body. The lifting mechanism includes a lifting frame fixed to the machine head frame. The bottom of the lifting frame is equipped with a lower lifting bearing for supporting the bottom of the steel pipe after it rises. The lower lifting bearing is controlled by a lifting control cylinder connected to the bottom of the machine head frame. The two ends of the lifting frame are symmetrically equipped with side lifting bearings for clamping the two sides of the steel pipe. The side lifting bearings are connected to one end of the lifting frame through a movable rod, which allows the side lifting bearings to rotate along the axis of the movable rod. The lifting frame is equipped with a linkage component that moves up and down in conjunction with the lower lifting bearing. The linkage component is connected to the other end of the side lifting bearing by a linkage rod.

9. The ultra-thin laser tube welder of claim 1, wherein: The drive module consists of a rack, a transmission gear, and a transmission motor. The rack is fixedly connected to the frame and is arranged parallel to the guide rail. The transmission motor is fixedly connected to the bottom of the transmission plate. The transmission gear is installed at the output end of the transmission motor and meshes with the rack.

10. The ultra-thin spiral fin tube laser welding machine according to claim 9, characterized in that: The output end of the planetary reducer is connected to the tapered head threaded shaft via a coupling sleeve, a cross connector, and a chuck elastic coupling. The coupling sleeve connects to the output end of the planetary reducer, the chuck elastic coupling connects to one end of the tapered head threaded shaft, and the cross connector connects between the coupling sleeve and the chuck elastic coupling.

Images