Welding equipment based on refrigeration compressor exhaust pipe production

Abstract

The welding equipment based on refrigeration compressor exhaust pipe production comprises a table body, a protective shell is installed at the top of the table body, an exhaust pipe feeding mechanism is arranged at the top of the table body, a flange feeding mechanism is arranged at the top of the table body, and a clamping mechanism is arranged on the inner wall of the protective shell; a soldering flux supply mechanism is arranged on the inner wall of the protective shell, a heat dissipation mechanism is arranged on the inner wall of the protective shell, in the using process of the device, a flange part of an exhaust copper pipe can be clamped and fixed, the strict coaxiality of a flange and an exhaust pipe can be kept, soldering flux at the connecting position of the exhaust copper pipe can be stricken off, and therefore the welding efficiency of the exhaust copper pipe is improved. Air holes in a welding seam due to different thicknesses of the soldering flux during welding are prevented, and the temperature difference problem that one side is cold and the other side is hot during single side surface cooling can be avoided.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of refrigeration compressor, and particularly relates to a welding device based on production of exhaust pipe of refrigeration compressor. BACKGROUND

[0002] A welding device based on production of exhaust pipe of refrigeration compressor, the core requirement of the welding process is to adapt the copper pipe and the flange to ensure the tightness of the weld without leakage, strictly control the deformation of the pipe body to ensure the size accuracy, adapt to large-scale batch production, and match the temperature and operation requirements of brazing.

[0003] Publication No. CN118143665B discloses a processing device based on production of exhaust pipe of refrigeration compressor, and relates to the technical field of refrigeration compressor. In the present application, the lifting control mechanism is installed at the top of the rack, the horizontal movement of the lifting control mechanism is controlled by a set of power equipment, the bearing control mechanism includes first, second, third and fourth guide slides which are interconnected, a limiting disc is arranged on one side of the third guide slide, a flat pushing and discharging mechanism is slidingly connected inside the corresponding fourth guide slide, an expanding control mechanism is installed inside the bearing control mechanism and is adapted to the position of the third guide slide, and a pipe conveying mechanism is symmetrically arranged at the top of the bearing control mechanism. The pipe conveying mechanism slides along the inside of the first, second, third and fourth guide slides under the control of the lifting control mechanism, and the automation of the expanding treatment of the exhaust pipe at the cutout can be realized, so that the expanding processing efficiency of the exhaust pipe is greatly improved.

[0004] During use of the device, the flange and the copper pipe are offset from each other due to the gap therebetween, so that the flange is not coaxial with the copper pipe during welding. When the copper pipe and the flange interface are coated with flux, the flux has different thicknesses, so that pores are generated in the weld during welding. When the exhaust copper pipe is cooled, the side surface is subjected to less cooling air, so that temperature difference occurs during cooling. SUMMARY

[0005] The present application aims to provide a welding device based on production of exhaust pipe of refrigeration compressor to solve the problem of offset of the flange from the copper pipe during welding.

[0006] To achieve the above-mentioned purpose, the present application provides a welding device based on production of exhaust pipe of refrigeration compressor, which comprises a table body, a protection shell is installed at the top of the table body, an exhaust pipe feeding mechanism is arranged at the top of the table body, a flange feeding mechanism is arranged at the top of the table body, a clamping mechanism is arranged on the inner wall of the protection shell, a flux supply mechanism is arranged on the inner wall of the protection shell, a heat dissipation mechanism is arranged on the inner wall of the protection shell, a conveying belt is drivingly connected to the inner wall of the table body, a thimble is fixedly connected to the top of the conveying belt, and an exhaust copper pipe is sleeved on the circumferential surface of the thimble. The clamping mechanism comprises an L-shaped column, a hydraulic telescopic column, support rods, threaded rods, a first fixed rod, a sliding plate, a first elastic telescopic rod and a first clamping plate, the L-shaped column is fixedly connected to the top of the table body, the hydraulic telescopic column is fixedly connected to the inner wall of the L-shaped column, the support rods are provided with a plurality of fixed rods fixedly connected to the top of the table body, the threaded rods are rotatably connected to the inner wall of the support rods, the inner wall of the protective shell is provided with a motor, the threaded rods are fixedly connected to the output end of the motor, the first fixed rod is fixedly connected to the inner wall of the support rods, the sliding plate is threadedly connected to the circumferential surface of the threaded rod, the first elastic telescopic rod is fixedly connected to the left side of the sliding plate, and the first clamping plate is fixedly connected to the telescopic end of the first elastic telescopic rod.

[0007] In one or more embodiments of the present application, the clamping mechanism further comprises a first fixed plate, a welding gun, a second elastic telescopic rod, a moving plate, a second fixed rod, a second clamping plate and a connecting rod, the first fixed plate is fixedly connected to the bottom of the telescopic end of the hydraulic telescopic column, the welding gun is mounted on the side of the first fixed plate, the second elastic telescopic rod is fixedly connected to the bottom of the first fixed plate, the moving plate is fixedly connected to the bottom of the telescopic end of the second elastic telescopic rod, the second fixed rod is fixedly connected to the bottom of the moving plate, the second clamping plate is slidably connected to the circumferential surface of the second fixed rod, and the connecting rod is rotatably connected to the top of the second clamping plate. The fixed limiting effect enables the sliding plate to move on the circumferential surface of the threaded rod, the sliding plate moves to drive the first elastic telescopic rod to move, the first elastic telescopic rod moves to drive the first clamping plate to move, when the first clamping plate moves to contact the exhaust copper pipe, the first clamping plate can clamp and fix the flange part of the exhaust copper pipe due to the reset effect of the spring of the first elastic telescopic rod, the flange and the exhaust pipe can keep strict coaxiality, the flange sealing surface is perpendicular to the axis of the exhaust pipe, the circumferential position of the flange bolt hole is locked at the same time, the exhaust copper pipe is prevented from moving and rotating during welding, the bolt hole is prevented from being misaligned and the flange butt joint gap is prevented from being uneven during subsequent whole machine assembly, and the assembly rework rate is greatly reduced.

[0008] In one or more embodiments of the present application, the sliding plate is slidably connected to the circumferential surface of the first fixed rod, the connecting rod is rotatably connected to the left and right sides of the moving plate, the exhaust copper pipe is located on the movement track of the moving plate, the exhaust copper pipe is located on one end of the track of the first clamping plate, and the hydraulic telescopic column is fixedly connected to the inner wall of the protective shell. When the moving plate moves upward, the moving plate moves to drive the connecting rod to move and rotate, the connecting rod moves to drive the second clamping plate to move, the second clamping plate moves on the circumferential surface of the second fixed rod due to the limiting effect of the second fixed rod, and the second clamping plate can clamp and fix the circumferential surface of the exhaust copper pipe. The clamped copper pipe can be locked without radial shaking and axial movement, the copper pipe and the butt joint surface of the to-be-welded part are completely matched with the process position, the welding is prevented from being misaligned due to the workpiece offset, the butt joint gap is prevented from being uneven, the welding joint butt joint precision is ensured from the source, the subsequent assembly misalignment problem is eliminated, the original roundness and straightness of the copper pipe are ensured, and the use performance of the pipeline is prevented from being affected by deformation.

[0009] In one or more embodiments of the present invention, the flux supply mechanism includes a rack, a fixed rod, a gear, a telescopic scraper, a rack, and a lifting plate. The rack is fixedly connected to the rear of the slide plate, the fixed rod is fixedly connected to the inner wall of the protective shell, the gear is rotatably connected to the inner wall of the fixed rod, the telescopic scraper is fixedly connected to the bottom of the rotating shaft of the gear, the rack is slidably connected to the top of the fixed rod, and the lifting plate is slidably connected to the top of the rack. As the slide plate moves away from the exhaust copper pipe, the rack drives the gear to rotate, which in turn drives the telescopic scraper to rotate. The rotation of the telescopic scraper can then smooth the flux at the connection of the exhaust copper pipe. This smoothing process ensures that the flux is evenly and thinly spread at the interface, preventing porosity in the weld due to uneven flux thickness during welding. This ensures the sealing of the weld, significantly reduces residue residue at the interface after welding, lowers the risk of internal pipe contamination, and guarantees the cleanliness of the refrigeration system.

[0010] In one or more embodiments of the present invention, the flux supply mechanism further includes a flux tank, a nozzle, a transport pipe, rollers, and a protrusion. The flux tank is fixedly connected to the top of the protective shell, the nozzle is fixedly connected to the inner wall of the lifting plate, the transport pipe is fixedly connected to the left side of the flux tank, the rollers are fixedly connected to the inner wall of the lifting plate, and the protrusion is fixedly connected to the top of the fixing rod.

[0011] In one or more embodiments of the present invention, the rack one is slidably connected to the top of the fixed rod three, the rack one meshes with the gear one, the telescopic scraper contacts the exhaust copper pipe, the gear one meshes with the rack two, the nozzle is connected to the transport pipe one, the protrusion is located on the movement trajectory of the roller, so that the roller moves up and down during the movement, and the up and down movement of the roller drives the lifting plate to move up and down. When the support surface of the lifting plate contacts the bottom of the flange of the exhaust copper pipe, the movement of the lifting plate drives the flange of the exhaust copper pipe to move up and down, thereby allowing flux to be applied to the gap between the flange and the copper pipe in the exhaust copper pipe. When the flange and the copper pipe are processed, there will be a small uneven gap. Moving the flange up and down allows the flux to flow into all the small gaps, achieving filling without dead corners, making the weld seam form a continuous sealing barrier, ensuring the sealing consistency of the entire weld surface, and eliminating the risk of high-pressure refrigerant leakage from the small gaps.

[0012] In one or more embodiments of the present invention, the heat dissipation mechanism includes an air supply box, a second transport pipe, an exhaust box, a second fixed plate, a first rotating shaft, a second gear, and a guide plate. The air supply box is fixedly connected to the inner wall of the protective shell. The second transport pipe is fixedly connected to the right side of the air supply box. The second fixed plate is fixedly connected to the front of the slide plate. The exhaust box is fixedly connected to the bottom of the second fixed plate. The first rotating shaft is rotatably connected to the inner wall of the exhaust box. The second gear is fixedly connected to the circumferential surface of the first rotating shaft. The guide plate is fixedly connected to the circumferential surface of the first rotating shaft. Due to the connection between the rack and the gear... The meshing action of gear two causes gear two to rotate, which in turn drives the rotating shaft one to rotate. The rotating shaft one then drives the guide plate to rotate, which in turn guides the cooling air to the side of the exhaust copper pipe. Simultaneous cooling of the front and side ensures temperature control around the copper pipe welding without dead angles, avoiding the temperature difference problem of one side being cold and the other side being hot when cooling only one side. This ensures uniform thermal expansion and contraction of the copper pipe around its circumference, eliminating deformation such as bending, bulging, and out-of-roundness of thin-walled copper pipes caused by temperature differences from the source, and significantly shortening the overall cooling and shaping time.

[0013] In one or more embodiments of the present invention, the heat dissipation mechanism further includes a rack three, a belt one, a rotating shaft two, a connecting plate, and a cleaning plate. The rack three is fixedly connected to the bottom of the fixed plate two. The belt one is drivenly connected to the circumferential surface of the rotating shaft one. The rotating shaft two is rotatably connected to the bottom of the fixed plate two. The connecting plate is fixedly connected to the circumferential surface of the rotating shaft two. The cleaning plate is fixedly connected to the bottom of the connecting plate. The inner wall of the cleaning plate is provided with cleaning balls.

[0014] In one or more embodiments of the present invention, the second transport pipe is connected to the exhaust box, the guide plate is rotatably connected to the inner wall of the exhaust box, the rotating cylinders of different guide plates are connected by belts, the belt is connected to the circumferential surface of the rotating shaft, the gear is located on the movement trajectory of the rack and can mesh with it, the exhaust copper pipe is located on the movement trajectory of the cleaning plate, the connecting plate rotates to drive the cleaning plate to rotate, the cleaning plate rotates and can contact the exhaust copper pipe, and the circumferential surface of the exhaust copper pipe can be cleaned by the cleaning tool on the inner wall of the cleaning plate. This can prevent the brazing slag, flux residue, metal shavings, oxide scale and other residues left after welding of the exhaust pipe from falling into the pipe, which would cause poor compressor exhaust and a sharp drop in cooling efficiency. It can also prevent residues from scratching the compressor cylinder, valve plate and other core moving parts, which would cause abnormal noise, wear and tear and even compressor shutdown.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. This welding equipment, based on the production of refrigeration compressor exhaust pipes, utilizes the interplay of an L-shaped column, a hydraulic telescopic column, a support rod, a threaded rod, a fixing rod, a sliding plate, an elastic telescopic rod, a clamping plate, and a fixing plate to clamp and fix the flange components of the exhaust copper pipe. This ensures strict coaxiality between the flange and the exhaust pipe, with the flange sealing surface perpendicular to the exhaust pipe axis. Simultaneously, it locks the circumferential position of the flange bolt holes, preventing the exhaust copper pipe from shifting or rotating during welding. This prevents issues like misaligned bolt holes and uneven flange gaps during subsequent assembly, significantly reducing rework rates. The clamping plate further clamps and fixes the circumference of the exhaust copper pipe, ensuring no radial or axial movement. This allows the copper pipe and the welding surface to perfectly align, preventing misalignment and uneven gaps due to workpiece displacement during welding. This guarantees weld precision from the source, eliminates subsequent assembly misalignment issues, preserves the original roundness and straightness of the copper pipe, and prevents deformation from affecting pipeline performance.

[0016] 2. This welding equipment, based on the production of refrigeration compressor exhaust pipes, utilizes the coordinated operation of rack one, fixed rod three, gear one, telescopic scraper, rack two, lifting plate, flux box, spray pipe, and transport pipe one to level the flux at the connection of the exhaust copper pipe. This leveling process ensures a uniform and thin layer of flux at the interface, preventing porosity in the weld due to uneven flux thickness during welding. This guarantees weld sealing, significantly reduces residue residue at the interface after welding, lowers the risk of internal pipeline contamination, and ensures the cleanliness of the refrigeration system. Furthermore, the flange and copper pipe joint may have slight uneven gaps during processing; moving the flange up and down allows flux to flow into all these gaps, achieving seamless filling and forming a continuous sealing barrier. This ensures consistent sealing across the entire weld surface and eliminates the risk of high-pressure refrigerant leakage from these minute gaps.

[0017] 3. This welding equipment based on the production of refrigeration compressor exhaust pipes, through the coordinated operation of the air supply box, transport pipe II, exhaust box, fixed plate II, rotating shaft I, gear II, guide plate, rack III, and belt I, allows cooling air to be blown to the side of the exhaust copper pipe. Simultaneous cooling of the front and side can achieve temperature control around the copper pipe welding without dead angles, avoiding the temperature difference problem of one side being cold and the other side being hot when cooling only one side. This ensures uniform thermal expansion and contraction of the copper pipe around its circumference, eliminating deformation such as bending, bulging, and out-of-roundness of thin-walled copper pipes caused by temperature differences from the source. It can significantly shorten the overall cooling and shaping time. At the same time, it can clean the circumference of the exhaust copper pipe, preventing residual brazing slag, flux residue, metal shavings, oxide scale, etc. after the exhaust pipe welding from falling into the pipe, which would cause poor compressor exhaust and a sharp drop in refrigeration efficiency. It can also prevent residue from scraping the compressor cylinder, valve plates, and other core moving parts, thereby causing abnormal noise, wear, or even compressor shutdown. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure in one embodiment of the present invention; Figure 2 This is a half-sectional view of the overall structure in one embodiment of the present invention; Figure 3 This is a schematic diagram of a clamping mechanism in one embodiment of the present invention; Figure 4 As shown in one embodiment of the present invention Figure 3 Enlarged view of the structure at point A in the middle; Figure 5 This is a schematic diagram of the clamping plate structure in one embodiment of the present invention; Figure 6 This is a schematic diagram of a flux supply mechanism in one embodiment of the present invention; Figure 7 This is a schematic diagram of a telescopic scraper structure in one embodiment of the present invention; Figure 8 This is a schematic diagram of a roller structure in one embodiment of the present invention; Figure 9 This is a schematic diagram of a heat dissipation mechanism in one embodiment of the present invention; Figure 10 This is a schematic diagram of the guide vane structure in one embodiment of the present invention; Figure 11 This is a schematic diagram of the cleaning plate structure in one embodiment of the present invention.

[0019] Explanation of key figure labels: 1. Platform body; 2. Protective shell; 3. Exhaust pipe feeding mechanism; 4. Flange feeding mechanism; 5. Clamping mechanism; 6. Flux supply mechanism; 7. Heat dissipation mechanism; 8. Conveyor belt; 9. Ejector pin; 10. Exhaust copper pipe; 501. L-shaped column; 502. Hydraulic telescopic column; 503. Support rod; 504. Threaded rod; 505. Fixed rod one; 506. Slide plate; 507. Elastic telescopic rod one; 508. Clamping plate one; 509. Fixed plate one; 510. Welding torch; 511. Elastic telescopic rod two; 512. Moving plate; 513. Fixed rod two; 514. Clamping plate two; 5 15. Connecting rod; 601. Rack 1; 602. Fixing rod 3; 603. Gear 1; 604. Telescopic scraper; 605. Rack 2; 606. Lifting plate; 607. Flux box; 608. Spray nozzle; 609. Transport pipe 1; 610. Roller; 611. Protrusion; 701. Air supply box; 702. Transport pipe 2; 703. Exhaust box; 704. Fixing plate 2; 705. Rotating shaft 1; 706. Gear 2; 707. Guide plate; 708. Rack 3; 709. Belt 1; 710. Rotating shaft 2; 711. Connecting plate; 712. Cleaning plate. Detailed Implementation

[0020] The specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings, but it should be understood that the scope of protection of the present invention is not limited to the specific embodiments.

[0021] like Figures 1-11 As shown, one embodiment of the present invention is: a welding equipment based on the production of exhaust pipes of refrigeration compressors, including a platform 1, a protective shell 2 installed on the top of the platform 1, an exhaust pipe feeding mechanism 3 and a flange feeding mechanism 4 on the top of the platform 1, a clamping mechanism 5 and a flux supply mechanism 6 on the inner wall of the protective shell 2, a heat dissipation mechanism 7 on the inner wall of the protective shell 2, a conveyor belt 8 connected to the inner wall of the platform 1, a pin 9 fixedly connected to the top of the conveyor belt 8, and an exhaust copper pipe 10 sleeved on the circumferential surface of the pin 9, so that the flange component of the exhaust copper pipe 10 can be clamped and fixed, so that the flange and the exhaust pipe maintain strict coaxiality, and the flange sealing surface is perpendicular to the axis of the exhaust pipe. At the same time, the circumferential position of the flange bolt holes is locked to prevent the exhaust copper pipe 10 from moving or rotating during welding, thus preventing problems such as misaligned bolt holes and uneven flange gaps during subsequent assembly of the whole machine, and significantly reducing the assembly rework rate.

[0022] The clamping mechanism 5 includes an L-shaped column 501, a hydraulic telescopic column 502, a support rod 503, a threaded rod 504, a fixed rod 505, a sliding plate 506, an elastic telescopic rod 507, and a clamping plate 508. The L-shaped column 501 is fixedly connected to the top of the platform 1. The hydraulic telescopic column 502 is fixedly connected to the inner wall of the L-shaped column 501. Multiple support rods 503 are fixedly connected to the top of the platform 1. The threaded rod 504 is rotatably connected to the inner wall of the support rod 503. A motor is installed on the inner wall of the protective shell 2. The threaded rod 504 is fixedly connected to the output end of the motor. The fixed rod 505 is fixedly connected to the inner wall of the support rod 503. The sliding plate 506 is threadedly connected to the circumferential surface of the threaded rod 504. The elastic telescopic rod 507 is fixedly connected to the left side of the sliding plate 506. The clamping plate 508 is fixedly connected to the telescopic end of the elastic telescopic rod 507.

[0023] The clamping mechanism 5 also includes a fixed plate 509, a welding torch 510, a second elastic telescopic rod 511, a movable plate 512, a second fixed rod 513, a second clamping plate 514, and a connecting rod 515. The fixed plate 509 is fixedly connected to the bottom of the telescopic end of the hydraulic telescopic column 502. The welding torch 510 is installed on the side of the fixed plate 509. The second elastic telescopic rod 511 is fixedly connected to the bottom of the fixed plate 509. The movable plate 512 is fixedly connected to the bottom of the telescopic end of the second elastic telescopic rod 511. The second fixed rod 513 is fixedly connected to the bottom of the movable plate 512. The second clamping plate 514 is slidably connected to the circumferential surface of the second fixed rod 513. The connecting rod 515 is rotatably connected to the top of the second clamping plate 514.

[0024] The sliding plate 506 is slidably connected to the circumferential surface of the fixed rod 505. The connecting rod 515 is rotatably connected to the left and right sides of the moving plate 512. The exhaust copper pipe 10 is located on the movement trajectory of the moving plate 512 and on one end of the trajectory of the clamping plate 508. The hydraulic telescopic column 502 is fixedly connected to the inner wall of the protective shell 2. At the same time, the clamping plate 514 can clamp and fix the circumferential surface of the exhaust copper pipe 10. The clamping of the copper pipe can lock its radial movement without shaking and axial movement without slippage, so that the mating surface of the copper pipe and the workpiece to be welded is completely in line with the process position, avoiding misalignment and uneven gaps due to workpiece displacement during welding. It ensures the welding accuracy from the source, eliminates subsequent assembly misalignment problems, ensures the original roundness and straightness of the copper pipe, and avoids affecting the performance of the pipeline due to deformation.

[0025] Working principle: When the device starts running, the exhaust copper pipe 10 is placed on the circumferential surface of the ejector pin 9 through the exhaust pipe feeding mechanism 3 and the flange feeding mechanism 4. The conveyor belt 8 moves the ejector pin 9 and the exhaust copper pipe 10. When they reach the welding position, the operator starts the motor. The motor output drives the threaded rod 504 to rotate. The rotation of the threaded rod 504 drives the slide plate 506 to rotate. Due to the fixing and limiting effect of the fixed rod 505 on the slide plate 506, the slide plate 506 moves on the circumferential surface of the threaded rod 504. The movement of the slide plate 506 drives the elastic telescopic rod 507 to move. The movement of the elastic telescopic rod 507 drives the clamping plate 508 to move. When the clamping plate 508 moves to contact the exhaust copper pipe 10, the spring of the elastic telescopic rod 507 returns to its original position, allowing the clamping plate 508 to clamp and fix the flange component of the exhaust copper pipe 10. This ensures that the flange and the exhaust pipe maintain strict coaxiality, and the flange sealing surface is perpendicular to the axis of the exhaust pipe. At the same time, it locks the circumferential position of the flange bolt holes, preventing the exhaust copper pipe 10 from moving or rotating during welding. This prevents problems such as misaligned bolt holes and uneven flange mating gaps during subsequent assembly, significantly reducing the assembly rework rate. After clamping and fixing the exhaust copper pipe 10 with clamping plate 508, the telescopic end of the hydraulic telescopic column 502 begins to move downward. This downward movement of the hydraulic telescopic column 502 causes the fixing plate 509 to move downward, which in turn causes the elastic telescopic rod 511 to move downward. The movement of the elastic telescopic rod 511 then causes the moving plate 512 to move. When the moving plate 512 contacts the exhaust copper pipe 10, it continues to move downward, causing the exhaust copper pipe 10 to press against the moving plate 512. This causes the moving plate 512 to move upward, which in turn causes the connecting rod 515 to move. Rotating 15, the connecting rod 515 moves, causing the clamping plate 514 to move. Due to the limiting and fixing effect of the fixing rod 513, the clamping plate 514 moves on the circumferential surface of the fixing rod 513, thereby clamping and fixing the circumferential surface of the exhaust copper pipe 10. The clamping of the copper pipe can lock its radial movement without wobbling and axial movement without slippage, so that the mating surface of the copper pipe and the workpiece to be welded is completely in line with the process position, avoiding misalignment and uneven gaps due to workpiece offset during welding. This ensures the weld seam accuracy from the source, eliminates subsequent assembly misalignment problems, and ensures the original roundness and straightness of the copper pipe, avoiding the impact of deformation on the performance of the pipeline.

[0026] Please see Figures 1-11 Based on the above embodiments, in another embodiment of the present invention, the flux supply mechanism 6 includes a rack 601, a fixing rod 602, a gear 603, a telescopic scraper 604, a rack 605, and a lifting plate 606. The rack 601 is fixedly connected to the rear of the slide plate 506, the fixing rod 602 is fixedly connected to the inner wall of the protective shell 2, the gear 603 is rotatably connected to the inner wall of the fixing rod 602, the telescopic scraper 604 is fixedly connected to the bottom of the rotating shaft of the gear 603, the rack 605 is slidably connected to the top of the fixing rod 602, and the lifting plate 606 is slidably connected to the top of the rack 605.

[0027] The flux supply mechanism 6 also includes a flux tank 607, a nozzle 608, a transport pipe 609, a roller 610, and a protrusion 611. The flux tank 607 is fixedly connected to the top of the protective shell 2, the nozzle 608 is fixedly connected to the inner wall of the lifting plate 606, the transport pipe 609 is fixedly connected to the left side of the flux tank 607, the roller 610 is fixedly connected to the inner wall of the lifting plate 606, and the protrusion 611 is fixedly connected to the top of the fixing rod 602. This allows the flux at the connection of the exhaust copper pipe 10 to be leveled. The leveling process ensures that the flux is evenly and thinly spread at the interface, preventing porosity in the weld due to different flux thicknesses during welding. This ensures the sealing of the weld, significantly reduces residue residue at the interface after welding, reduces the risk of internal pipe contamination, and ensures the cleanliness of the refrigeration system.

[0028] The rack 601 is slidably connected to the top of the fixed rod 602. The rack 601 meshes with the gear 603. The telescopic scraper 604 contacts the exhaust copper pipe 10. The gear 603 meshes with the rack 605. The nozzle 608 is connected to the transport pipe 609. The protrusion 611 is located on the movement trajectory of the roller 610. At the same time, there will be a small uneven gap between the flange and the copper pipe during processing. Moving the flange up and down can allow the flux to flow into all the small gaps, achieving filling without dead corners, so that the weld can form a continuous sealing barrier, ensuring the sealing consistency of the entire weld surface, and eliminating the risk of high-pressure refrigerant leakage from the small gaps.

[0029] The heat dissipation mechanism 7 includes an air supply box 701, a second transport pipe 702, an exhaust box 703, a second fixing plate 704, a first rotating shaft 705, a second gear 706, and a guide plate 707. The air supply box 701 is fixedly connected to the inner wall of the protective shell 2. The second transport pipe 702 is fixedly connected to the right side of the air supply box 701. The second fixing plate 704 is fixedly connected to the front of the slide plate 506. The exhaust box 703 is fixedly connected to the bottom of the second fixing plate 704. The first rotating shaft 705 is rotatably connected to the inner wall of the exhaust box 703. The second gear 706 is fixedly connected to the circumferential surface of the first rotating shaft 705. The guide plate 707 is fixedly connected to the circumferential surface of the first rotating shaft 705.

[0030] The heat dissipation mechanism 7 also includes a rack 3 708, a belt 1 709, a rotating shaft 2 710, a connecting plate 711, and a cleaning plate 712. The rack 3 708 is fixedly connected to the bottom of the fixed plate 2 704. The belt 1 709 is drivenly connected to the circumferential surface of the rotating shaft 1 705. The rotating shaft 2 710 is rotatably connected to the bottom of the fixed plate 2 704. The connecting plate 711 is fixedly connected to the circumferential surface of the rotating shaft 2 710. The cleaning plate 712 is fixedly connected to the bottom of the connecting plate 711. The inner wall of the cleaning plate 712 is provided with cleaning balls, so that the cooling air can be blown to the side of the exhaust copper pipe 10. Simultaneous cooling of the front and side can achieve temperature control around the copper pipe welding without dead angles, avoiding the temperature difference problem of one side being cold and the other side being hot when cooling only one side. This ensures that the thermal expansion and contraction of the copper pipe around the circumference is uniform and consistent, eliminating the deformation of thin-walled copper pipes caused by temperature differences such as bending, bulging, and out-of-roundness from the source, and can significantly shorten the overall cooling and shaping time.

[0031] Transport pipe 2 702 is connected to exhaust box 703, guide plate 707 is rotatably connected to the inner wall of exhaust box 703, the rotating cylinders of different guide plates 707 are connected by belts, belt 1 709 is connected to the circumferential surface of rotating shaft 2 710, gear 2 706 is located on the movement trajectory of rack 3 708 and can mesh with it, exhaust copper pipe 10 is located on the movement trajectory of cleaning plate 712, and can clean the circumferential surface of exhaust copper pipe 10. This can prevent brazing slag, flux residue, metal shavings, oxide scale and other residues left after welding from falling into the pipe, which would cause poor compressor exhaust and a sharp drop in cooling efficiency. It can also prevent residues from scraping the compressor cylinder, valve plate and other core moving parts, which could cause abnormal noise, wear and even compressor shutdown.

[0032] Working principle: As the sliding plate 506 moves towards the end near the exhaust copper pipe 10, the movement of the sliding plate 506 drives the rack 601 to move. Due to the meshing of the rack 601 and the gear 603, the movement of the rack 601 drives the gear 603 to rotate. Due to the meshing of the gear 603 and the rack 605, the rotation of the gear 603 drives the rack 605 to move. The movement of the rack 605 drives the lifting plate 606 to move, which in turn drives the nozzle 608 to move, thereby controlling the exhaust copper pipe 10. Flux is applied to the connection of the exhaust copper pipe 10. As the slide plate 506 moves away from the end of the exhaust copper pipe 10, the rack 601 drives the gear 603 to rotate. The rotation of the gear 603 drives the telescopic scraper 604 to rotate. The rotation of the telescopic scraper 604 can smooth the flux at the connection of the exhaust copper pipe 10. The smoothing treatment makes the flux spread evenly and thinly at the interface, preventing the weld from having pores due to different flux thickness during welding. This can ensure the sealing of the weld, greatly reduce the residue at the interface after welding, reduce the risk of internal pipe contamination, and ensure the cleanliness of the refrigeration system. During the movement of the lifting plate 606, the movement of the lifting plate 606 will drive the roller 610 to move. When the roller 610 contacts the protrusion 611, the convex surface of the protrusion 611 causes the roller 610 to move up and down during the movement. The up and down movement of the roller 610 drives the lifting plate 606 to move up and down. When the supporting surface of the lifting plate 606 contacts the bottom of the flange of the exhaust copper pipe 10, the movement of the lifting plate 606 drives the flange of the exhaust copper pipe 10 to move up and down. This allows flux to be applied to the gap between the flange and the copper pipe in the exhaust copper pipe 10. During the processing, there will be a small uneven gap between the flange and the copper pipe. Moving the flange up and down allows the flux to flow into all the small gaps, achieving a seamless filling and forming a continuous sealing barrier for the weld. This ensures the sealing consistency of the entire weld surface and eliminates the risk of high-pressure refrigerant leakage from the small gaps.

[0033] As the slide plate 506 moves towards the end near the exhaust copper pipe 10, the movement of the slide plate 506 drives the fixed plate 704 to move, which in turn drives the exhaust box 703 to move. The air supply box 701 generates a large amount of cooling air, which is then transmitted to the exhaust box 703 through the transport pipe 702. The movement of the fixed plate 704 drives the rack 708 to move. When the rack 708 contacts the gear 706, the meshing action between the rack 708 and the gear 706 causes the gear 706 to rotate. The rotation of the second 706 drives the first 705 to rotate, and the rotation of the first 705 drives the guide plate 707 to rotate. The rotation of the guide plate 707 then guides the cooling air, allowing the cooling air to be blown to the side of the exhaust copper pipe 10. Simultaneous cooling of the front and side can achieve temperature control around the copper pipe welding without dead angles, avoiding the temperature difference problem of one side being cold and the other side being hot when cooling only one side. This ensures that the thermal expansion and contraction of the copper pipe around the circumference is uniform and consistent, eliminating the deformation of thin-walled copper pipes caused by temperature differences such as bending, bulging, and out-of-roundness from the source, and can significantly shorten the overall cooling and shaping time. During the movement of the fixed plate 704, when the rotating shaft 705 rotates, the rotating shaft 705 drives the belt 709 to rotate, the belt 709 drives the rotating shaft 710 to rotate, the rotating shaft 710 drives the connecting plate 711 to rotate, the connecting plate 711 drives the cleaning plate 712 to rotate, the cleaning plate 712 rotates and can contact the exhaust copper pipe 10. Through the cleaning tools on the inner wall of the cleaning plate 712, the circumferential surface of the exhaust copper pipe 10 can be cleaned. This can prevent the brazing slag, flux residue, metal shavings, oxide scale and other residues left after the exhaust pipe is welded from falling into the pipe, which would cause the compressor to have poor exhaust and a sharp drop in cooling efficiency. It can also prevent the residue from scratching the compressor cylinder, valve plate and other core moving parts, which would cause abnormal noise, wear and tear and even cause the compressor to stop.

[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the 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 the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0035] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A welding device based on the production of refrigeration compressor exhaust pipes, comprising a platform (1), characterized in that: The top of the platform (1) is equipped with a protective shell (2), the top of the platform (1) is provided with an exhaust pipe feeding mechanism (3), the top of the platform (1) is provided with a flange feeding mechanism (4), the inner wall of the protective shell (2) is provided with a clamping mechanism (5), the inner wall of the protective shell (2) is provided with a flux supply mechanism (6), the inner wall of the protective shell (2) is provided with a heat dissipation mechanism (7), the inner wall of the platform (1) is connected to a conveyor belt (8), the top of the conveyor belt (8) is fixedly connected with a pin (9), and the circumferential surface of the pin (9) is sleeved with an exhaust copper pipe (10). The clamping mechanism (5) includes an L-shaped column (501), a hydraulic telescopic column (502), a support rod (503), a threaded rod (504), a fixing rod (505), a sliding plate (506), an elastic telescopic rod (507), and a clamping plate (508). The L-shaped column (501) is fixedly connected to the top of the platform (1), the hydraulic telescopic column (502) is fixedly connected to the inner wall of the L-shaped column (501), and multiple support rods (503) are fixedly connected to the top of the platform (1). The threaded rod (504) is rotatably connected to the inner wall of the support rod (503). The inner wall of the protective shell (2) is equipped with a motor. The threaded rod (504) is fixedly connected to the output end of the motor. The first fixed rod (505) is fixedly connected to the inner wall of the support rod (503). The sliding plate (506) is threadedly connected to the circumferential surface of the threaded rod (504). The first elastic telescopic rod (507) is fixedly connected to the left side of the sliding plate (506). The first clamping plate (508) is fixedly connected to the telescopic end of the first elastic telescopic rod (507).

2. The welding equipment based on the production of refrigeration compressor exhaust pipes according to claim 1, characterized in that: The clamping mechanism (5) further includes a fixed plate (509), a welding torch (510), an elastic telescopic rod (511), a moving plate (512), a fixed rod (513), a clamping plate (514), and a connecting rod (515). The fixed plate (509) is fixedly connected to the bottom of the telescopic end of the hydraulic telescopic column (502). The welding torch (510) is installed on the side of the fixed plate (509). The elastic telescopic rod (511) is fixedly connected to the bottom of the fixed plate (509). The moving plate (512) is fixedly connected to the bottom of the telescopic end of the elastic telescopic rod (511). The fixed rod (513) is fixedly connected to the bottom of the moving plate (512). The clamping plate (514) is slidably connected to the circumferential surface of the fixed rod (513). The connecting rod (515) is rotatably connected to the top of the clamping plate (514).

3. The welding equipment based on the production of refrigeration compressor exhaust pipes according to claim 2, characterized in that: The sliding plate (506) is slidably connected to the circumferential surface of the fixed rod (505), the connecting rod (515) is rotatably connected to the left and right sides of the moving plate (512), the exhaust copper pipe (10) is located on the movement trajectory of the moving plate (512), the exhaust copper pipe (10) is located on one end trajectory of the clamping plate (508), and the hydraulic telescopic column (502) is fixedly connected to the inner wall of the protective shell (2).

4. The welding equipment based on the production of refrigeration compressor exhaust pipes according to claim 3, characterized in that: The flux supply mechanism (6) includes a rack (601), a fixed rod (602), a gear (603), a telescopic scraper (604), a rack (605), and a lifting plate (606). The rack (601) is fixedly connected to the rear of the slide plate (506). The fixed rod (602) is fixedly connected to the inner wall of the protective shell (2). The gear (603) is rotatably connected to the inner wall of the fixed rod (602). The telescopic scraper (604) is fixedly connected to the bottom of the rotating shaft of the gear (603). The rack (605) is slidably connected to the top of the fixed rod (602). The lifting plate (606) is slidably connected to the top of the rack (605).

5. The welding equipment based on the production of refrigeration compressor exhaust pipes according to claim 4, characterized in that, The flux supply mechanism (6) further includes a flux tank (607), a nozzle (608), a transport pipe (609), a roller (610), and a protrusion (611). The flux tank (607) is fixedly connected to the top of the protective shell (2). The nozzle (608) is fixedly connected to the inner wall of the lifting plate (606). The transport pipe (609) is fixedly connected to the left side of the flux tank (607). The roller (610) is fixedly connected to the inner wall of the lifting plate (606). The protrusion (611) is fixedly connected to the top of the fixing rod (602).

6. The welding equipment based on the production of refrigeration compressor exhaust pipes according to claim 5, characterized in that: The rack one (601) is slidably connected to the top of the fixed rod three (602), the rack one (601) meshes with the gear one (603), the telescopic scraper (604) contacts the exhaust copper pipe (10), the gear one (603) meshes with the rack two (605), the nozzle (608) is connected to the transport pipe one (609), and the protrusion (611) is located on the movement trajectory of the roller (610).

7. The welding equipment based on the production of refrigeration compressor exhaust pipes according to claim 6, characterized in that: The heat dissipation mechanism (7) includes an air supply box (701), a second transport pipe (702), an exhaust box (703), a second fixing plate (704), a first rotating shaft (705), a second gear (706), and a guide plate (707). The air supply box (701) is fixedly connected to the inner wall of the protective shell (2). The second transport pipe (702) is fixedly connected to the right side of the air supply box (701). The second fixing plate (704) is fixedly connected to the front of the slide plate (506). The exhaust box (703) is fixedly connected to the bottom of the second fixing plate (704). The first rotating shaft (705) is rotatably connected to the inner wall of the exhaust box (703). The second gear (706) is fixedly connected to the circumferential surface of the first rotating shaft (705). The guide plate (707) is fixedly connected to the circumferential surface of the first rotating shaft (705).

8. The welding equipment based on the production of refrigeration compressor exhaust pipes according to claim 7, characterized in that: The heat dissipation mechanism (7) also includes a rack three (708), a belt one (709), a rotating shaft two (710), a connecting plate (711), and a cleaning plate (712). The rack three (708) is fixedly connected to the bottom of the fixed plate two (704). The belt one (709) is drivenly connected to the circumferential surface of the rotating shaft one (705). The rotating shaft two (710) is rotatably connected to the bottom of the fixed plate two (704). The connecting plate (711) is fixedly connected to the circumferential surface of the rotating shaft two (710). The cleaning plate (712) is fixedly connected to the bottom of the connecting plate (711). The inner wall of the cleaning plate (712) is provided with cleaning balls.

9. The welding equipment based on the production of refrigeration compressor exhaust pipes according to claim 8, characterized in that: The second transport pipe (702) is connected to the exhaust box (703), the guide plate (707) is rotatably connected to the inner wall of the exhaust box (703), the first belt (709) is connected to the circumferential surface of the second rotating shaft (710) for transmission, the second gear (706) is located on the movement trajectory of the third rack (708), and the exhaust copper pipe (10) is located on the movement trajectory of the cleaning plate (712).

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