String fin air conditioner radiator tube expanding machine and its using method

Abstract

The invention discloses a tube expanding machine for a finned air conditioner radiator and its usage method, belonging to the technical field of tube expanding machines. It includes an operating table, on the side wall of which a support block is fixedly installed, on the side wall of the support block a second electric telescopic rod is fixedly installed, on the outer wall of the operating table a limiting rod is fixedly installed, and a moving component is arranged on the outer surface of the limiting rod. By setting a tube expanding mechanism and an oil storage component, the moving plate is pulled towards both sides of the operating table by the second electric telescopic rod under the limiting action of the limiting rod, so that one end of the copper tube is expanded by the expanding head. When the moving plate moves to a certain position, the top block drives the movable plate to squeeze the oil storage bladder. At this time, the lubricating oil in the oil storage bladder flows into the storage box through the oil pipe under the action of pressure and flows to the space between the expanding head and the inner wall of the copper tube through the oil outlet on the surface of the expanding head, reducing the friction between the expanding head and the copper tube, thus facilitating the removal of the expanding head from the copper tube and improving the tube expanding efficiency of the device.

Description

Technical Field

[0001] The present invention belongs to the technical field of tube expanding machines, and particularly relates to a finned air conditioner radiator tube expanding machine and its usage method. Background Art

[0002] A tube expanding machine is mainly a tube expanding device used for tightly connecting tubes in the manufacture of equipment such as heat exchangers, condensers, and radiators. Using tube expanding technology, it has the advantages of low manufacturing cost, low labor intensity, and short manufacturing cycle. Currently, tube expanding machines are divided into manual and automatic modes.

[0003] If the current automatic tube expanding machine is not accurately controlled during the tube expanding process, it is likely to cause damage to the copper tube or the connection between the expanding head and the inner wall of the copper tube to be too tight, making it difficult to remove the copper tube. Moreover, the existing tube expanding machine cannot limit the position of radiators with different widths during use, thus making the tube expanding machine subject to certain limitations. Therefore, a finned air conditioner radiator tube expanding machine and its usage method are provided. Summary of the Invention

[0004] The purpose of the present invention is to provide a finned air conditioner radiator tube expanding machine and its usage method to solve the above problems.

[0005] To achieve the above purpose, the present invention adopts the following technical solution: A finned air conditioner radiator tube expanding machine includes an operating table. A support block is fixedly installed on the side wall of the operating table. A second electric telescopic rod is fixedly installed on the side wall of the support block. A limiting rod is fixedly installed on the outer wall of the operating table. A moving component is arranged on the outer surface of the limiting rod. An extrusion component is arranged on the upper surface of the support block. A clamping component is arranged on the inner wall of the operating table.

[0006] The moving component includes a moving plate. The side wall of the moving plate is fixedly connected to one end of the second electric telescopic rod. The inner wall of the moving plate is slidably connected to the outer surface of the limiting rod. A tube expanding mechanism and an oil storage component are arranged on the side wall of the moving plate.

[0007] As a further description of the above technical solution:

[0008] The tube expanding mechanism includes a temporary storage plate. The side wall of the temporary storage plate is fixedly connected to the side wall of the moving plate. A storage box is fixedly installed on the inner wall of the temporary storage plate. A tube expander is fixedly installed on the side wall of the storage box.

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

[0010] One end of the tube expander extends outside the side wall of the temporary storage plate. A expanding head is fixedly installed at one end of the tube expander. An oil outlet is arranged on the outer surface of the expanding head. Holes are arranged on the side walls of the moving plate, temporary storage plate, storage box, and tube expander.

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

[0012] The oil storage assembly includes a connecting spring. One end of the connecting spring is fixedly connected to the side wall of the moving plate, and the other end of the connecting spring is fixedly installed with a movable plate. A top block is fixedly installed on the side wall of the movable plate, and an oil storage bladder is fixedly installed on the other side wall of the movable plate. The side wall of the oil storage bladder is fixedly connected to the side wall of the moving plate. A fuel pipe is fixedly installed on the lower surface of the oil storage bladder, and one end of the fuel pipe is fixedly connected to a hole on the side wall of the storage box.

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

[0014] The extrusion assembly includes a support rod. One end of the support rod is fixedly connected to the upper surface of the support block, and the other end of the support rod is fixedly installed with a fixed plate. A first electric telescopic rod is fixedly installed on the upper surface of the fixed plate. One end of the first electric telescopic rod extends outside the lower surface of the fixed plate, and a pressing plate is fixedly installed at one end of the first electric telescopic rod.

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

[0016] Sliding plates are fixedly installed on both side walls of the pressing plate. The inner wall of the sliding plate is slidably connected to the outer surface of the support rod. A connecting plate is fixedly installed on the outer wall of the pressing plate, and a connecting block is fixedly installed on the lower surface of the connecting plate. Anti-damage components are provided on both the connecting block and the upper surface of the operating table.

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

[0018] The anti-damage component includes an anti-damage plate. One end of the anti-damage plate is fixedly connected to the upper surface of the operating table, and the other end of the anti-damage plate is fixedly installed with an alignment plate. An anti-damage groove is provided on the upper surface of the alignment plate.

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

[0020] The clamping assembly includes a threaded sleeve and a spring plate. One end of the threaded sleeve is rotatably connected to the inner wall of the operating table. A rotating gear is fixedly installed on the outer surface of the threaded sleeve. A threaded rod is threadedly installed in the inner wall of the threaded sleeve. One end of the threaded rod extends above the upper surface of the inner operating table, and the other end of the threaded rod is fixedly installed with a telescopic spring. The other end of the telescopic spring is fixedly connected to the inner bottom wall of the operating table.

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

[0022] A sliding rod is fixedly installed on the lower surface of the spring plate. One end of the sliding rod is slidably connected to the inner bottom wall of the operating table. A moving rack is fixedly installed on the side wall of the sliding rod, and the moving rack is meshed with a rotating gear.

[0023] The present invention also discloses a method for using a tube expanding machine for a finned air conditioner radiator, which includes the following steps:

[0024] S1. Place the radiator on the upper surface of the operating table. At this time, the weight of the radiator itself will squeeze the threaded rod into the threaded sleeve. Since the threaded rod is threadedly connected to the threaded sleeve, the rotating gear will be driven to rotate through the threaded sleeve. Since the rotating gear is meshed with the moving rack, the sliding rod will be driven to slide through the moving rack, and then the spring plate will be driven to clamp and limit both sides of the radiator.

[0025] S2. Through the first electric telescopic rod, the pressing plate moves downward under the limitation of the support rod, so as to squeeze the radiator on the upper surface of the operating table. At the same time, the alignment plate on the lower surface of the connecting block is aligned with the alignment plate on the upper surface of the operating table, and the copper tube to be expanded is clamped at the same time.

[0026] S3. Through the second electric telescopic rod, the moving plate is pulled to both sides of the operating table under the limitation of the limiting rod, so that the expanding head expands one end of the copper tube. At this time, the anti-damage plate will limit the angle of expansion of the copper tube. When the moving plate moves to a certain position, the top block will drive the movable plate to squeeze the oil storage bag. At this time, the lubricating oil in the oil storage bag will flow into the storage box through the oil pipe under the action of pressure. When the lubricating oil in the storage box reaches a certain amount, it will flow into the expanding head through the tube expanding, and then flow to the space between the expanding head and the inner wall of the copper tube through the oil outlet on the surface of the expanding head. After the expansion is completed, the second electric telescopic rod is used to drive the moving plate to drive the expanding head out of the copper tube.

[0027] S4. Then, through the first electric telescopic rod, the pressing plate moves upward, and the extrusion on the radiator body is removed. Then the radiator is taken out. At this time, the telescopic spring will push the threaded rod out of the upper surface of the operating table, so that the threaded sleeve drives the rotating gear to rotate, and then the spring plate returns to its original position through the moving rack and the sliding rod.

[0028] By providing a tube expanding mechanism and an oil storage component, the present invention uses the second electric telescopic rod to pull the moving plate to both sides of the operating table under the limitation of the limiting rod, so that the expanding head expands one end of the copper tube. When the moving plate moves to a certain position, the top block will drive the movable plate to squeeze the oil storage bag. At this time, the lubricating oil in the oil storage bag will flow into the storage box through the oil pipe under the action of pressure, and then flow to the space between the expanding head and the inner wall of the copper tube through the oil outlet on the surface of the expanding head, reducing the friction between the expanding head and the copper tube, so as to facilitate the removal of the expanding head from the copper tube and improve the tube expanding efficiency of the device.

[0029] On the other hand, the present invention also has a damage prevention component and an extrusion component. The pressing plate is moved downward under the limitation of the support rod by the first electric telescopic rod, so as to extrude the radiator against the upper surface of the operating table. At the same time, the alignment plate on the lower surface of the connecting block is aligned with the alignment plate on the upper surface of the operating table, and the copper pipe to be expanded is clamped at the same time, avoiding the displacement of the radiator during tube expansion, resulting in inaccurate alignment between the expanding head and the copper pipe and causing damage to the copper pipe. At the same time, the damage prevention plate can prevent the copper pipe from being damaged due to being too large, reducing the damage rate of the device.

[0030] Meanwhile, the present invention also has a clamping component. The radiator is placed on the upper surface of the operating table. At this time, the weight of the radiator itself will squeeze the threaded rod into the threaded sleeve. Since the threaded rod is threadedly connected to the threaded sleeve, the rotating gear will be driven to rotate through the threaded sleeve. Since the rotating gear is meshed with the moving rack, the sliding rod will be driven to slide through the moving rack, and then the spring plate will be driven to clamp and limit both sides of the radiator, enabling the device to be applicable to radiators of different widths and improving the practicability of the device. Description of the Drawings

[0031] Figure 1 It is a three-dimensional structural schematic diagram of a tube expanding machine for a finned air-conditioning radiator.

[0032] Figure 2 It is an exploded structural schematic diagram of a tube expanding machine for a finned air-conditioning radiator.

[0033] Figure 3 It is an exploded structural schematic diagram of the damage prevention component in a tube expanding machine for a finned air-conditioning radiator.

[0034] Figure 4 It is an exploded structural schematic diagram of the threaded sleeve and the threaded rod in a tube expanding machine for a finned air-conditioning radiator.

[0035] Figure 5 It is an exploded structural schematic diagram of the moving component and the oil storage component in a tube expanding machine for a finned air-conditioning radiator.

[0036] Figure 6 It is an exploded structural schematic diagram of the tube expanding mechanism in a tube expanding machine for a finned air-conditioning radiator.

[0037] Figure 7 It is an enlarged structural schematic diagram of part A in a tube expanding machine for a finned air-conditioning radiator.

[0038] Legend Explanation:

[0039] 1. Operating table; 2. Support block; 3. Extrusion assembly; 31. Support rod; 32. Fixed plate; 33. First electric telescopic rod; 34. Slide plate; 35. Pressing plate; 36. Connecting plate; 37. Connecting block; 4. Clamping assembly; 41. Threaded sleeve; 42. Rotating gear; 43. Threaded rod; 44. Spring plate; 45. Slide rod; 46. Moving rack; 47. Telescopic spring; 5. Second electric telescopic rod; 6. Limiting rod; 7. Moving assembly; 71. Moving plate; 72. Tube expanding mechanism; 721. Temporary storage plate; 722. Storage box; 723. Tube expanding; 724. Tube expanding head; 725. Oil outlet; 8. Oil storage assembly; 81. Connecting spring; 82. Movable plate; 83. Top block; 84. Oil storage bladder; 85. Oil pipe; 9. Anti-damage assembly; 91. Anti-damage plate; 92. Alignment plate. Specific embodiments

[0040] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0041] Please refer to Figure 1-7 , a tube expanding machine for a finned air conditioner radiator of the present invention includes an operating table 1. A support block 2 is fixedly installed on the side wall of the operating table 1. A second electric telescopic rod 5 is fixedly installed on the side wall of the support block 2. A limiting rod 6 is fixedly installed on the outer wall of the operating table 1. A moving assembly 7 is arranged on the outer surface of the limiting rod 6. An extrusion assembly 3 is arranged on the upper surface of the support block 2. A clamping assembly 4 is arranged on the inner wall of the operating table 1;

[0042] Among them, the moving component 7 of the present invention includes a moving plate 71. The side wall of the moving plate 71 is fixedly connected to one end of the second electric telescopic rod 5. The inner wall of the moving plate 71 is slidably connected to the outer surface of the limiting rod 6. A tube expanding mechanism 72 and an oil storage component 8 are arranged on the side wall of the moving plate 71. The tube expanding mechanism 72 includes a temporary storage plate 721. The side wall of the temporary storage plate 721 is fixedly connected to the side wall of the moving plate 71. A storage box 722 is fixedly installed on the inner wall of the temporary storage plate 721. A tube expander 723 is fixedly installed on the side wall of the storage box 722. The oil storage component 8 includes a connecting spring 81. One end of the connecting spring 81 is fixedly connected to the side wall of the moving plate 71. The other end of the connecting spring 81 is fixedly installed with a movable plate 82. A top block 83 is fixedly installed on the side wall of the movable plate 82. An oil storage bladder 84 is fixedly installed on the other side wall of the movable plate 82. The side wall of the oil storage bladder 84 is fixedly connected to the side wall of the moving plate 71. An oil pipe 85 is fixedly installed on the lower surface of the oil storage bladder 84. One end of the oil pipe 85 is fixedly connected to a hole on the side wall of the storage box 722. The anti-damage component 9 includes an anti-damage plate 91. One end of the anti-damage plate 91 is fixedly connected to the upper surface of the operating table 1. The other end of the anti-damage plate 91 is fixedly installed with an alignment plate 92. An anti-damage groove is arranged on the upper surface of the alignment plate 92.

[0043] The present invention uses the second electric telescopic rod 5 to pull the moving plate 71 on both sides of the operating table 1 under the limiting action of the limiting rod 6, so that the tube expander head 724 expands one end of the copper tube. At this time, the anti-damage plate 91 will limit the expansion angle of the copper tube. When the moving plate 71 moves to a certain position, the top block 83 will drive the movable plate 82 to squeeze the oil storage bladder 84. At this time, the lubricating oil in the oil storage bladder 84 will flow into the storage box 722 through the oil pipe 85 under the action of pressure. When the lubricating oil in the storage box 722 reaches a certain amount, it will flow into the tube expander head 724 through the tube expander 723, and then flow between the tube expander head 724 and the inner wall of the copper tube through the oil outlet 725 on the surface of the tube expander head 724.

[0044] Among them, the extrusion component 3 of the present invention includes a support rod 31. One end of the support rod 31 is fixedly connected to the upper surface of the support block 2. The other end of the support rod 31 is fixedly installed with a fixing plate 32. A first electric telescopic rod 33 is fixedly installed on the upper surface of the fixing plate 32. One end of the first electric telescopic rod 33 extends outside the lower surface of the fixing plate 32. A pressing plate 35 is fixedly installed at one end of the first electric telescopic rod 33. Sliding plates 34 are fixedly installed on both side walls of the pressing plate 35. The inner wall of the sliding plate 34 is slidably connected to the outer surface of the support rod 31. A connecting plate 36 is fixedly installed on the outer wall of the pressing plate 35. A connecting block 37 is fixedly installed on the lower surface of the connecting plate 36. Anti-damage components 9 are arranged on both the connecting block 37 and the upper surface of the operating table 1.

[0045] During operation, the pressing plate 35 is moved downward under the limitation of the support rod 31 by the first electric telescopic rod 33, so as to squeeze the radiator against the upper surface of the operating table 1. At the same time, the alignment plate 92 on the lower surface of the connecting block 37 is aligned with the alignment plate 92 on the upper surface of the operating table 1, and the copper pipe to be expanded is clamped simultaneously.

[0046] The clamping assembly 4 of the present invention includes a threaded sleeve 41 and a spring plate 44. One end of the threaded sleeve 41 is rotatably connected to the inner wall of the operating table 1. A rotating gear 42 is fixedly installed on the outer surface of the threaded sleeve 41. A threaded rod 43 is threadedly installed in the inner wall of the threaded sleeve 41. One end of the threaded rod 43 extends to the upper surface of the inner operating table 1. The other end of the threaded rod 43 is fixedly installed with a telescopic spring 47. The other end of the telescopic spring 47 is fixedly connected to the bottom inner wall of the operating table 1. A sliding rod 45 is fixedly installed on the lower surface of the spring plate 44. One end of the sliding rod 45 is slidably connected to the bottom inner wall of the operating table 1. A moving rack 46 is fixedly installed on the side wall of the sliding rod 45. The moving rack 46 is meshed with the rotating gear 42.

[0047] Specifically, the radiator is placed on the upper surface of the operating table 1. At this time, the weight of the radiator itself will squeeze the threaded rod 43 into the threaded sleeve 41. Since the threaded rod 43 is threadedly connected to the threaded sleeve 41, the rotating gear 42 will be driven to rotate through the threaded sleeve 41. Since the rotating gear 42 is meshed with the moving rack 46, the sliding rod 45 will be driven to slide through the moving rack 46, and then the spring plate 44 will be driven to clamp and limit the two sides of the radiator.

[0048] The present invention also discloses a method for using a finned air conditioner radiator tube expander, including the following steps:

[0049] S1. Place the radiator on the upper surface of the operating table 1. At this time, the weight of the radiator itself will squeeze the threaded rod 43 into the threaded sleeve 41. Since the threaded rod 43 is threadedly connected to the threaded sleeve 41, the rotating gear 42 will be driven to rotate through the threaded sleeve 41. Since the rotating gear 42 is meshed with the moving rack 46, the sliding rod 45 will be driven to slide through the moving rack 46, and then the spring plate 44 will be driven to clamp and limit the two sides of the radiator.

[0050] S2. The pressing plate 35 is moved downward under the limitation of the support rod 31 by the first electric telescopic rod 33, so as to squeeze the radiator against the upper surface of the operating table 1. At the same time, the alignment plate 92 on the lower surface of the connecting block 37 is aligned with the alignment plate 92 on the upper surface of the operating table 1, and the copper pipe to be expanded is clamped simultaneously.

[0051] S3. Use the second electric telescopic rod 5 to pull the moving plate 71 to both sides of the operating table 1 under the limiting action of the limiting rod 6, so that the expanding head 724 expands one end of the copper tube. At this time, the anti-damage plate 91 will limit the expanding angle of the copper tube. When the moving plate 71 moves to a certain position, the top block 83 will drive the movable plate 82 to squeeze the oil storage bladder 84. At this time, the lubricating oil in the oil storage bladder 84 will flow into the storage box 722 through the oil pipe 85 under the action of pressure. When the lubricating oil in the storage box 722 reaches a certain amount, it will flow into the expanding head 724 through the expanding tube 723, and then flow between the expanding head 724 and the inner wall of the copper tube through the oil outlet 725 on the surface of the expanding head 724. After the expansion is completed, use the second electric telescopic rod 5 to make the moving plate 71 drive the expanding head 724 to move out of the copper tube;

[0052] S4. Then use the first electric telescopic rod 33 to move the pressing plate 35 upward to release the extrusion of the radiator main body, and then take out the radiator. At this time, the telescopic spring 47 will push the threaded rod 43 out of the upper surface of the operating table 1, so that the threaded sleeve 41 drives the rotating gear 42 to rotate, and then the spring plate 44 returns to its original position through the moving rack 46 and the sliding rod 45.

[0053] During operation, place the radiator on the upper surface of the operating table 1. At this time, the weight of the radiator itself will squeeze the threaded rod 43 into the threaded sleeve 41. Since the threaded rod 43 is threadedly connected to the threaded sleeve 41, the rotating gear 42 will be driven to rotate through the threaded sleeve 41. Since the rotating gear 42 is meshed with the moving rack 46, the sliding rod 45 will be driven to slide through the moving rack 46, and then the spring plate 44 will be driven to clamp and limit both sides of the radiator.

[0054] Then, the pressing plate 35 is moved downward under the limitation of the support rod 31 by the first electric telescopic rod 33, so as to squeeze the radiator against the upper surface of the operating table 1. At the same time, the alignment plate 92 on the lower surface of the connecting block 37 is aligned with the alignment plate 92 on the upper surface of the operating table 1, and the copper tube to be expanded is clamped. Then, the moving plate 71 is pulled towards both sides of the operating table 1 under the limitation of the limiting rod 6 by the second electric telescopic rod 5, so that the expansion head 724 expands one end of the copper tube. At this time, the anti-damage plate 91 will limit the expansion angle of the copper tube. When the moving plate 71 moves to a certain position, the top block 83 will drive the movable plate 82 to squeeze the oil storage bag 84. At this time, the lubricating oil in the oil storage bag 84 will flow into the storage box 722 through the oil pipe 85 under the action of pressure. When the lubricating oil in the storage box 722 reaches a certain amount, it will flow into the expansion head 724 through the expansion tube 723, and then flow between the expansion head 724 and the inner wall of the copper tube through the oil outlet 725 on the surface of the expansion head 724. After the expansion is completed, the second electric telescopic rod 5 is used to move the moving plate 71 to drive the expansion head 724 to move out of the copper tube, and then the first electric telescopic rod 33 is used to move the pressing plate 35 upward to release the extrusion of the radiator body, and then the radiator is taken out. At this time, the telescopic spring 47 will push the threaded rod 43 out of the upper surface of the operating table 1, so that the threaded sleeve 41 drives the rotating gear 42 to rotate, and then the spring plate 44 returns to its original position through the moving rack 46 and the sliding rod 45.

[0055] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. Tube expanding machine for finned air conditioner radiators, including an operating table, on the side wall of the operating table, there is a support block fixedly installed, on the side wall of the support block, there is a second electric telescopic rod fixedly installed, on the outer wall of the operating table, there is a limiting rod fixedly installed, characterized in that: A moving component is arranged on the outer surface of the limiting rod, an extrusion component is arranged on the upper surface of the support block, and a clamping component is arranged on the inner wall of the operating table; The moving component includes a moving plate. The side wall of the moving plate is fixedly connected to one end of a second electric telescopic rod. The inner wall of the moving plate is slidably connected to the outer surface of the limiting rod. A tube expanding mechanism and an oil storage component are arranged on the side wall of the moving plate; The tube expanding mechanism includes a temporary storage plate. The side wall of the temporary storage plate is fixedly connected to the side wall of the moving plate. A storage box is fixedly installed on the inner wall of the temporary storage plate. A tube expander is fixedly installed on the side wall of the storage box; One end of the tube expander extends outside the side wall of the temporary storage plate. A tube expanding head is fixedly installed at one end of the tube expander. An oil outlet is arranged on the outer surface of the tube expanding head. Holes are arranged on the side walls of the moving plate, the temporary storage plate, the storage box and the tube expander; The oil storage component includes a connecting spring. One end of the connecting spring is fixedly connected to the side wall of the moving plate. The other end of the connecting spring is fixedly installed with a movable plate. A top block is fixedly installed on the side wall of the movable plate. An oil storage bladder is fixedly installed on the other side wall of the movable plate. The side wall of the oil storage bladder is fixedly connected to the side wall of the moving plate. A oil pipe is fixedly installed on the lower surface of the oil storage bladder. One end of the oil pipe is fixedly connected to the hole on the side wall of the storage box; The extrusion component includes a support rod. One end of the support rod is fixedly connected to the upper surface of the support block. The other end of the support rod is fixedly installed with a fixing plate. A first electric telescopic rod is fixedly installed on the upper surface of the fixing plate. One end of the first electric telescopic rod extends outside the lower surface of the fixing plate. A pressing plate is fixedly installed at one end of the first electric telescopic rod. Sliding plates are fixedly installed on both side walls of the pressing plate. The inner wall of the sliding plate is slidably connected to the outer surface of the support rod. A connecting plate is fixedly installed on the outer wall of the pressing plate. A connecting block is fixedly installed on the lower surface of the connecting plate. Anti-damage components are arranged on the lower surface of the connecting block and the upper surface of the operating table. The anti-damage component includes an anti-damage plate. One end of the anti-damage plate is fixedly connected to the upper surface of the operating table. The other end of the anti-damage plate is fixedly installed with an alignment plate. An anti-damage groove is arranged on the upper surface of the alignment plate. The anti-damage plate limits the angle of the expanded copper tube.

2. The finned tube expanding machine for an air conditioner according to claim 1, wherein The clamping component includes a threaded sleeve and a spring plate. One end of the threaded sleeve is rotatably connected to the inner wall of the operating table. A rotating gear is fixedly installed on the outer surface of the threaded sleeve. A threaded rod is threadedly installed in the inner wall of the threaded sleeve. One end of the threaded rod extends to the upper surface of the operating table. The other end of the threaded rod is fixedly installed with a telescopic spring. The other end of the telescopic spring is fixedly connected to the inner wall of the bottom surface of the operating table; A sliding rod is fixedly installed on the lower surface of the spring plate. One end of the sliding rod is slidably connected to the inner wall of the bottom surface of the operating table. A moving rack is fixedly installed on the side wall of the sliding rod. The moving rack is meshed with the rotating gear.

3. The usage method of the finned air conditioner radiator tube expanding machine according to claim 2, characterized in that, Comprising the following steps: S1. Place the radiator on the upper surface of the operating table. At this time, the weight of the radiator itself will squeeze the threaded rod into the threaded sleeve. Since the threaded rod is threadedly connected to the threaded sleeve, the rotating gear will be driven to rotate through the threaded sleeve. Since the rotating gear is meshed with the moving rack, the sliding rod will be driven to slide through the moving rack, and then the spring plate will be driven to clamp and limit both sides of the radiator; S2. The pressing plate is driven to move downward under the limitation of the support rod by the first electric telescopic rod, so as to squeeze the radiator on the upper surface of the operating table. At the same time, the alignment plate on the lower surface of the connecting block is aligned with the alignment plate on the upper surface of the operating table, and the copper tube to be expanded is clamped at the same time; S3. The moving plate is pulled to both sides of the operating table under the limitation of the limiting rod by the second electric telescopic rod, so that the expanding head expands one end of the copper tube. At this time, the anti-damage plate will limit the expanding angle of the copper tube. When the moving plate moves to a certain position, the top block will drive the movable plate to squeeze the oil storage bag. At this time, the lubricating oil in the oil storage bag will flow into the storage box through the oil pipe under the action of pressure. When the lubricating oil in the storage box reaches a certain amount, it will flow into the expanding head through the expanding pipe, and then flow between the expanding head and the inner wall of the copper tube through the oil outlet on the surface of the expanding head. After the expansion is completed, the moving plate is driven by the second electric telescopic rod to drive the expanding head out of the copper tube; S4. Then the pressing plate is driven to move upward by the first electric telescopic rod, and the extrusion on the radiator body is removed, and then the radiator is taken out. At this time, the telescopic spring will push the threaded rod out of the upper surface of the operating table, so that the threaded sleeve drives the rotating gear to rotate, and then the spring plate returns to its original position through the moving rack and the sliding rod.

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