A multifunctional processing device for evaporator tubes

CN224879915UActive Publication Date: 2026-10-23XINXIANG JIANYUE PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202522558326.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-02
Publication Date
2026-10-23
Estimated Expiration
2035-12-02

AI Technical Summary

Technical Problem

[0004]本实用新型的目的在于提供一种用于蒸发器管口的多功能处理设备,通过设置转盘、夹持组件、切割组件、扩孔组件和打磨组件,解决了现有的用于蒸发器管口的处理设备功能单一的问题,处理效率较低的问题

Benefits of technology

本实用新型通过设置转盘、夹持组件、切割组件、扩孔组件和打磨组件,解决了蒸发器管口处理设备只具备单一功能的问题;使用夹持组件夹持蒸发器铜管,随后转盘转动,带动蒸发器铜管依次经过切割组件、扩孔组件和打磨组件下方进行切割、扩孔和打磨处理,达到对蒸发器管口进行多重处理的目的。

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Abstract

The utility model discloses a multifunctional processing equipment for evaporator pipe mouth relates to evaporator processing related technical field, the utility model discloses a base, carousel, clamping assembly, cutting assembly, reamer subassembly and polishing assembly, the base top is provided with the rotation groove no.
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Description

Technical Field

[0001] This utility model belongs to the technical field of evaporator processing, and in particular relates to a multifunctional processing device for evaporator inlets. Background Technology

[0002] The evaporator is the core heat exchange component in a refrigeration system. Its main function is to absorb heat from the outside environment by evaporating refrigerant inside the tubes, thereby achieving cooling. The copper tubes of the evaporator, as the carrier of refrigerant flow and heat exchange, directly affect refrigeration efficiency. They guide the smooth flow of refrigerant and rapidly transfer heat through the tube walls, making them a key component for the evaporator's heat exchange function. Proper treatment of the evaporator copper tube inlets is crucial. Burrs, oxide layers, or dimensional deviations at the inlets can lead to poor sealing between the inlet and the connector, causing refrigerant leakage, affecting heat exchange efficiency, and even damaging the equipment. Furthermore, proper inlet treatment can improve the assembly accuracy of the copper tubes and extend the evaporator's service life. The main treatments required for evaporator copper tube inlets include: cutting the curved tube ends, removing burrs and oxide layers to ensure a smooth finish, flaring or reducing the tube ends, and fitting fittings. However, current mainstream evaporator tube inlet treatment equipment still has the following problems: The mainstream evaporator tube opening processing equipment on the market usually only has a single function (it can only perform one of cutting, grinding or enlarging). When processing the evaporator tube opening, the evaporator copper tube needs to be moved repeatedly to different processing equipment, which is cumbersome and has a high processing cost because multiple devices need to be run. Traditional evaporator tube processing equipment can only process one evaporator copper tube at a time, resulting in low efficiency when processing large batches of evaporator tubes.

[0003] To address these issues, we provide a multifunctional processing device for evaporator inlets. Utility Model Content

[0004] The purpose of this utility model is to provide a multi-functional processing device for evaporator inlets. By setting up a turntable, clamping components, cutting components, hole enlarging components and grinding components, it solves the problems of limited functionality and low processing efficiency of existing processing devices for evaporator inlets.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model is a multifunctional processing device for evaporator nozzles, including a base, a turntable, a clamping assembly, a cutting assembly, a hole-expanding assembly, and a grinding assembly. The base has a circular rotating groove on its top, and a turntable rotatably connected to the base is disposed inside the groove. Four clamping assemblies arranged in a circular array are disposed on the top of the turntable. The cutting assembly, hole-expanding assembly, and grinding assembly are disposed on the top of the base around the circumference of the rotating groove. The cutting assembly, hole-expanding assembly, and grinding assembly are arranged in an isosceles right-angled triangle from a top viewpoint, with the hole-expanding assembly located at the right angle of the isosceles right-angled triangle. The cutting assembly includes two symmetrically arranged cutting blades, the hole-expanding assembly includes a hole-expanding component, and the grinding assembly includes a grinding disc.

[0006] When processing the evaporator tube openings, the evaporator copper tubes are first clamped and fixed using the clamping assembly. Then, the turntable rotates, causing the evaporator copper tubes to pass under the cutting assembly, the reaming assembly, and the grinding assembly in sequence for cutting, reaming, and grinding. Due to the separate setup of the cutting assembly, the reaming assembly, and the grinding assembly, different copper tubes can be cut, reamed, and ground simultaneously.

[0007] Furthermore, the clamping assembly includes a U-shaped plate rotatably connected to the turntable. Two clamping plates are symmetrically arranged between the two vertical parts of the U-shaped plate. A limit rod and a rotating rod are arranged side by side near the upper position between the two vertical parts of the U-shaped plate. The limit rod and the two clamping plates are slidably connected through each other. Both ends of the limit rod are fixedly connected to the U-shaped plate and the adjacent vertical part. Both ends of the rotating rod are rotatably connected to the U-shaped plate and the adjacent vertical part. Two opposite threads are symmetrically arranged on the circumference of the rotating rod, and each threaded segment on the rotating rod is threadedly connected to a clamping plate. Place the evaporator copper tube between the two clamps, rotate the rotating rod to move the two clamps towards each other along the limiting rod, and the evaporator copper tube will be fixed.

[0008] Furthermore, both ends of the rotating rod extend through the U-shaped plate and the adjacent vertical part, and are fixedly connected with handwheels. An elastic protective sleeve is fitted around the rotating rod located between the two vertical parts of the U-shaped plate. Turning the handwheel will rotate the rotating rod to clamp and fix the evaporator copper tube. The elastic protective sleeve protects the rotating rod and prevents metal debris from falling onto the threads during subsequent cutting and grinding, which could cause the fit to fail.

[0009] Furthermore, the cutting assembly includes an inverted L-shaped support plate fixedly connected to the base. The horizontal part of the support plate is located above the turntable. A T-shaped groove is provided at the bottom end of the horizontal part of the support plate. Two T-shaped sliders are slidably connected inside the groove. A spring is fixedly connected between the end of the slider away from the other slider and the groove end wall adjacent to it. A cantilever is fixedly connected to the bottom end of the vertical part of the slider. A cutting blade wheel is rotatably connected to the bottom end of the cantilever. The center point between the two cutting blades is located on the rotation path of the clamping assembly. When the evaporator copper tube moves between the two cutting blades, it squeezes the two cutting blades to move to both sides. At this time, the spring is in a compressed state. Then the U-shaped plate rotates and drives the evaporator copper tube to rotate. As the spring tends to restore its deformation, the two cutting blades rotate and move towards each other, thus cutting off the deformed end of the evaporator copper tube.

[0010] Furthermore, the hole-expanding assembly includes an inverted L-shaped support plate two fixedly connected to the base. The horizontal part of the support plate two is located above the turntable. A hydraulic cylinder is fixedly connected to the top of the horizontal part of the support plate two. The hydraulic rod at the telescopic end of the hydraulic cylinder is fixedly connected to the top of the hole-expanding component. Once the evaporator copper tube moves below the reaming component, the hydraulic cylinder is activated. The hydraulic rod at the telescopic end of the hydraulic cylinder extends and moves the reaming component downward to ream the opening of the evaporator copper tube.

[0011] Furthermore, the grinding assembly includes an inverted L-shaped support plate three fixedly connected to the base. The horizontal part of the support plate three is located above the turntable. A grinding motor is fixedly connected to the top of the horizontal part of the support plate three. The output shaft of the grinding motor is connected to the end of the grinding disc adjacent to it in a transmission connection. Once the evaporator copper tubes are moved below the grinding disc, the grinding motor is started. The output shaft of the grinding motor rotates, causing the grinding disc to rotate and grinding the openings of the evaporator copper tubes.

[0012] Furthermore, an annular rotating groove two is provided on the base located below the rotating groove one. Four cutting motors arranged in a circular array are fixedly connected to the turntable in the rotating groove two. The output shaft of each cutting motor is connected to a U-shaped plate at its end. A drive motor is fixedly connected to the bottom of the base. The output shaft of the drive motor is connected to the end of the turntable at its end. Start the drive motor, and the output shaft of the drive motor will rotate, which will drive the turntable to rotate and transport the evaporator copper tubes. When cutting the evaporator copper tubes, start the cutting motor, and the evaporator copper tubes will rotate to cut them.

[0013] Furthermore, the base is fixedly connected to four legs arranged in a circular array at its bottom; The outriggers provide support for the entire device.

[0014] This utility model has the following beneficial effects: This invention solves the problem of evaporator tube opening treatment equipment having only a single function by setting up a turntable, clamping component, cutting component, hole enlarging component, and grinding component. The clamping component holds the evaporator copper tube, and then the turntable rotates, causing the evaporator copper tube to pass under the cutting component, hole enlarging component, and grinding component in sequence for cutting, hole enlarging, and grinding, thus achieving the purpose of multiple treatments for the evaporator tube opening.

[0015] This invention solves the problem of low processing efficiency for evaporator tube openings by setting up a turntable, clamping assembly, cutting assembly, reaming assembly, and grinding assembly. The cutting assembly, reaming assembly, and grinding assembly can operate simultaneously, performing cutting, reaming, and grinding work on multiple copper tubes at the same time. After the clamping assembly holds the evaporator copper tubes, the turntable rotates to transport the evaporator copper tubes to the cutting assembly, reaming assembly, and grinding assembly for processing, thereby accelerating the work efficiency.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of a multifunctional processing device for evaporator inlets; Figure 2 This is a schematic diagram of the connection structure between the split turntable and the base. Figure 3 A schematic diagram of the connection structure between the turntable and the clamping assembly; Figure 4 This is a schematic diagram of the clamping assembly. Figure 5 This is a schematic diagram of the cutting component. Figure 6 for Figure 5 Enlarged structural diagram at point A; Figure 7 This is a schematic diagram of the hole-expanding assembly. Figure 8 This is a schematic diagram of the grinding component.

[0019] The attached diagram lists the components represented by each number as follows: 1. Base; 101. Rotary slot one; 102. Rotary slot two; 103. Support leg; 104. Drive motor; 2. Turntable; 201. Cutting motor; 3. Clamping assembly; 301. U-shaped plate; 302. Limiting rod; 303. Rotating rod; 304. Clamping plate; 305. Elastic protective sleeve; 306. Handwheel; 4. Cutting assembly; 401. Support plate one; 402. Slide groove; 403. Slider; 404. Spring; 405. Cantilever; 406. Cutting blade wheel; 5. Hole reaming assembly; 501. Support plate two; 502. Hole reaming component; 503. Hydraulic cylinder; 6. Grinding assembly; 601. Support plate three; 602. Grinding disc; 603. Grinding motor. Detailed Implementation

[0020] 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 skilled in the art without creative effort are within the protection scope of the present utility model. Specific Implementation Example 1

[0021] Please see Figure 1-8 This utility model is a multi-functional processing device for evaporator pipe inlets, including a base 1, a turntable 2, a clamping assembly 3, a cutting assembly 4, a hole-expanding assembly 5, and a grinding assembly 6; the base 1 has a circular rotating groove 101 on its top, and a turntable 2 rotatably connected to the base 1 is arranged inside the rotating groove 101. Four clamping assemblies 3 arranged in a ring array are arranged on the top of the turntable 2. The cutting assembly 4, the hole-expanding assembly 5, and the grinding assembly 6 are arranged on the top of the base 1 around the rotating groove 101. The cutting assembly 4, the hole-expanding assembly 5, and the grinding assembly 6 are arranged in an isosceles right triangle in a top view, and the hole-expanding assembly 5 is located on the right angle of the isosceles right triangle. The cutting assembly 4 includes two symmetrically arranged cutting blades 406, the hole-expanding assembly 5 includes a hole-expanding component 502, and the grinding assembly 6 includes a grinding disc 602. The rotation of turntable 2 drives the clamping assembly 3 to rotate. The area without cutting assembly 4, reaming assembly 5, and grinding assembly 6 is the feeding area. The area where cutting assembly 4 is located is the cutting area, the area where reaming assembly 5 is located is the reaming area, and the area where grinding assembly 6 is located is the grinding area. When processing the evaporator tube openings, the clamping assembly 3 is used to clamp and fix the evaporator copper tube in the feeding area. Then, the turntable 2 rotates, driving the evaporator copper tube to pass through the cutting area, reaming area, and grinding area in sequence for cutting, reaming, and grinding. Due to the separate setting of cutting assembly 4, reaming assembly 5, and grinding assembly 6, three copper tubes can be cut, reamed, and ground simultaneously. When cutting the previous evaporator copper tube, the next evaporator copper tube can be fed in the feeding area, which speeds up the work efficiency.

[0022] Among them, such as Figure 3 , Figure 4 As shown, the clamping assembly 3 includes a U-shaped plate 301 rotatably connected to the turntable 2. Two clamping plates 304 are symmetrically arranged between the two vertical parts of the U-shaped plate 301. A limit rod 302 and a rotating rod 303 are arranged side by side near the upper part of the two vertical parts of the U-shaped plate 301. The limit rod 302 and the two clamping plates 304 are all slidably connected through each other. Both ends of the limit rod 302 are fixedly connected to the vertical part of the U-shaped plate 301 and the adjacent part. Both ends of the rotating rod 303 are rotatably connected to the vertical part of the U-shaped plate 301 and the adjacent part. Two opposite threads are symmetrically arranged on the periphery of the rotating rod 303. Each threaded segment on the rotating rod 303 is threadedly screwed into a clamping plate 304. The horizontal part of the U-shaped plate 301 provides support for the bottom end of the evaporator copper tube. When clamping and fixing the evaporator copper tube, place the evaporator copper tube between the two clamping plates 304, rotate the rotating rod 303, and drive the two clamping plates 304 to move towards each other along the limiting rod 302, thus completing the fixing of the evaporator copper tube.

[0023] Among them, such as Figure 4 As shown, both ends of the rotating rod 303 extend through the U-shaped plate 301 and the adjacent vertical part and are fixedly connected to the handwheel 306. An elastic protective sleeve 305 is sleeved around the rotating rod 303 located between the two vertical parts of the U-shaped plate 301. Turning the handwheel 306 causes the rotating rod 303 to rotate, thus clamping and fixing the copper tube of the evaporator. The elastic protective sleeve 305 protects the rotating rod 303, preventing metal debris from falling onto the threads during subsequent cutting and grinding, which could cause the fit to fail.

[0024] Among them, such as Figure 5 , Figure 6As shown, the cutting assembly 4 includes an inverted L-shaped support plate 401 fixedly connected to the base 1. The horizontal part of the support plate 401 is located above the turntable 2. A T-shaped groove 402 is provided at the bottom of the horizontal part of the support plate 401. Two T-shaped sliders 403 are slidably connected inside the groove 402. A spring 404 is fixedly connected between the end of the slider 403 away from the other slider 403 and the end wall of the groove 402 that is close to it. A cantilever 405 is fixedly connected to the bottom of the vertical part of the slider 403. A cutting blade wheel 406 is rotatably connected to the bottom of the cantilever 405. The support plate 401 provides support for the slider 403, cantilever 405 and cutting wheel 406. The center point of the line connecting the two cutting wheels 406 is located on the rotation path of the clamping assembly 3. When the evaporator copper tube moves between the two cutting wheels 406, it squeezes the two cutting wheels 406 to rotate and move to both sides. At this time, the spring 404 is in a compressed state. Then the U-shaped plate 301 rotates and drives the evaporator copper tube to rotate. The spring 404 tends to restore its deformation, causing the two sliders 403 to move towards each other. Due to the friction generated when the evaporator copper tube rotates, the two cutting wheels 406 rotate and move towards each other, thus cutting off the deformed end of the evaporator copper tube.

[0025] Among them, such as Figure 7 As shown, the hole-expanding assembly 5 includes an inverted L-shaped support plate 501 fixedly connected to the base 1. The horizontal part of the support plate 501 is located above the turntable 2. A hydraulic cylinder 503 is fixedly connected to the top of the horizontal part of the support plate 501. The hydraulic rod at the telescopic end of the hydraulic cylinder 503 is fixedly connected to the top of the hole-expanding component 502. Support plate 2 501 provides support for hydraulic cylinder 503. When the evaporator copper tube moves to below the reaming part 502, hydraulic cylinder 503 is activated. The hydraulic rod at the telescopic end of hydraulic cylinder 503 extends and drives the reaming part 502 to move down, thereby reaming the opening of the evaporator copper tube.

[0026] Among them, such as Figure 8 As shown, the grinding assembly 6 includes an inverted L-shaped support plate 601 fixedly connected to the base 1. The horizontal part of the support plate 601 is located above the turntable 2. A grinding motor 603 is fixedly connected to the top of the horizontal part of the support plate 601. The output shaft of the grinding motor 603 is connected to the end of the grinding disc 602 adjacent to it. The bottom height of the grinding disc 602 is the same as the bottom height of the cutting wheel 406. The support plate 601 provides support for the grinding motor 603. When the evaporator copper tube moves to the bottom of the grinding disc 602, the grinding motor 603 is started. The output shaft of the grinding motor 603 rotates, driving the grinding disc 602 to rotate and grind the tube opening of the evaporator copper tube.

[0027] Among them, such as Figure 1-3As shown, an annular rotating groove 102 is provided on the base 1 located below the rotating groove 101. Four cutting motors 201 arranged in a circular array are arranged in the rotating groove 102 and are fixedly connected to the turntable 2. The output shaft of each cutting motor 201 is connected to a U-shaped plate 301 and its adjacent end. A drive motor 104 is fixedly connected to the bottom of the base 1. The output shaft of the drive motor 104 is connected to the adjacent end of the turntable 2. Rotary slot 2 102 provides rotation space for cutting motor 201. When processing the evaporator tube opening, drive motor 104 is started. The output shaft of drive motor 104 rotates, driving turntable 2 to rotate, which can transport the evaporator copper tube. When cutting the evaporator copper tube, cutting motor 201 is started. The output shaft of cutting motor 201 rotates, driving U-shaped plate 301 to rotate, which in turn drives the evaporator copper tube to rotate for cutting.

[0028] Among them, such as Figure 1 As shown, four legs 103 arranged in a circular array are fixedly connected to the bottom of the base 1; the legs 103 provide support for the entire device.

[0029] The working principle of this embodiment is as follows: the area without cutting component 4, hole-expanding component 5, and grinding component 6 is the feeding area; the area where cutting component 4 is located is the cutting area; the area where hole-expanding component 5 is located is the hole-expanding area; and the area where grinding component 6 is located is the grinding area. When processing the evaporator tube inlet, the evaporator copper tube is first fed in the feeding area: the evaporator copper tube is placed between two clamping plates 304, with the bottom of the copper tube placed on the horizontal part of the U-shaped plate 301. The handwheel 306 is turned to drive the rotating rod 303 to rotate, thereby driving the two clamping plates 304 to move towards each other along the limiting rod 302. 04. The evaporator copper tube can then be clamped and fixed. After fixing, the drive motor 104 is started. The output shaft of the drive motor 104 rotates, driving the turntable 2 to rotate and transport the evaporator copper tube between the two cutting blade wheels 406. As the evaporator copper tube moves, it squeezes the two cutting blade wheels 406 and moves to both sides while rotating. At this time, the spring 404 is in a compressed state. Then, the cutting motor 201 is started. The output shaft of the cutting motor 201 rotates, driving the U-shaped plate 301 to rotate, which in turn drives the evaporator copper tube to rotate. Due to the friction generated when the evaporator copper tube rotates, the two cutting blade wheels 406 rotate. Simultaneously, the spring 404 tends to recover its deformation, causing the two sliders 403 to move towards each other, and the two cutting blades 406 also move towards each other, thus cutting off the curved end of the evaporator copper tube. Then, the turntable 2 continues to rotate, transporting the evaporator copper tube below the reaming component 502. The hydraulic cylinder 503 is activated, and the hydraulic rod at the telescopic end of the hydraulic cylinder 503 extends, driving the reaming component 502 downwards to enlarge the opening of the evaporator copper tube. Then, the turntable 2 continues to rotate, transporting the evaporator copper tube below the grinding disc 602. The grinding motor 603 is activated, and the output shaft of the grinding motor 603 rotates, driving the grinding disc 602... 02. Rotate the turntable 2 to grind the opening of the evaporator copper tube. After grinding, the turntable 2 continues to rotate to transport the evaporator copper tube to the loading area. Rotate the handwheel 306 in the opposite direction to release the fixation. After removing the processed evaporator copper tube, reload and fix the unprocessed evaporator copper tube. When the previous evaporator copper tube is transported to the cutting area for cutting, the next evaporator copper tube can be clamped and fixed in the loading area. It can also cut, enlarge holes and grind three copper tubes at the same time. When processing a large number of evaporator tube openings, it saves time and improves work efficiency.

[0030] The above are merely preferred embodiments of the present utility model and do not limit the present utility model. Any modifications, equivalent substitutions, or improvements made to the technical solutions described in the foregoing embodiments, or to some of the technical features, shall fall within the protection scope of the present utility model.

Claims

1. A multifunctional processing device for evaporator nozzles, comprising a base (1), a turntable (2), a clamping assembly (3), a cutting assembly (4), a hole-expanding assembly (5), and a grinding assembly (6); characterized in that: The base (1) has a circular rotating groove (101) on its top. A turntable (2) is rotatably connected to the base (1) inside the rotating groove (101). Four clamping components (3) arranged in a ring array are arranged on the top of the turntable (2). A cutting component (4), a hole-expanding component (5), and a grinding component (6) are arranged on the top of the base (1) located around the rotating groove (101). The cutting component (4), the hole-expanding component (5), and the grinding component (6) are arranged in an isosceles right triangle in a top view. The hole-expanding component (5) is located on the right angle of the isosceles right triangle. The cutting component (4) includes two symmetrically arranged cutting blades (406). The hole-expanding component (5) includes a hole-expanding part (502). The grinding component (6) includes a grinding disc (602).

2. The multifunctional processing device for evaporator inlets according to claim 1, characterized in that: The clamping assembly (3) includes a U-shaped plate (301) rotatably connected to the turntable (2). Two clamping plates (304) are symmetrically arranged between the two vertical parts of the U-shaped plate (301). A limit rod (302) and a rotating rod (303) are arranged side by side near the upper position between the two vertical parts of the U-shaped plate (301). The limit rod (302) and the two clamping plates (304) are all slidably connected through each other. Both ends of the limit rod (302) are fixedly connected to the vertical part of the U-shaped plate (301) and the adjacent part. Both ends of the rotating rod (303) are rotatably connected to the vertical part of the U-shaped plate (301) and the adjacent part. Two opposite threads are symmetrically arranged on the periphery of the rotating rod (303). Each thread segment on the rotating rod (303) is threadedly screwed into a clamping plate (304).

3. A multifunctional processing device for evaporator inlets according to claim 2, characterized in that: Both ends of the rotating rod (303) extend through the U-shaped plate (301) and the adjacent vertical part, and are fixedly connected to a handwheel (306). An elastic protective sleeve (305) is sleeved around the rotating rod (303) located between the two vertical parts of the U-shaped plate (301).

4. A multifunctional processing device for evaporator inlets according to claim 1, characterized in that: The cutting assembly (4) includes an inverted L-shaped support plate (401) fixedly connected to the base (1). The horizontal part of the support plate (401) is located above the turntable (2). A T-shaped groove (402) is provided at the bottom of the horizontal part of the support plate (401). Two T-shaped sliders (403) are slidably connected inside the groove (402). A spring (404) is fixedly connected between the end of the slider (403) away from the other slider (403) and the end wall of the groove (402) close to it. A cantilever (405) is fixedly connected at the bottom of the vertical part of the slider (403). A cutting wheel (406) is rotatably connected at the bottom of the cantilever (405).

5. A multifunctional processing device for evaporator inlets according to claim 1, characterized in that: The hole-expanding assembly (5) includes an inverted L-shaped support plate two (501) fixedly connected to the base (1). The horizontal part of the support plate two (501) is located above the turntable (2). A hydraulic cylinder (503) is fixedly connected to the top of the horizontal part of the support plate two (501). The hydraulic rod of the extension end of the hydraulic cylinder (503) is fixedly connected to the top of the hole-expanding component (502).

6. A multifunctional processing device for evaporator inlets according to claim 1, characterized in that: The grinding assembly (6) includes an inverted L-shaped support plate three (601) fixedly connected to the base (1). The horizontal part of the support plate three (601) is located above the turntable (2). A grinding motor (603) is fixedly connected to the top of the horizontal part of the support plate three (601). The output shaft of the grinding motor (603) is connected to the end of the grinding disc (602) adjacent to it.

7. A multifunctional processing device for evaporator inlets according to claim 1, characterized in that: A ring-shaped rotating groove two (102) is provided on the base (1) located below the rotating groove one (101). Four cutting motors (201) are arranged in a ring array and are fixedly connected to the turntable (2). The output shaft of each cutting motor (201) is connected to a U-shaped plate (301) at its end. A drive motor (104) is fixedly connected to the bottom of the base (1). The output shaft of the drive motor (104) is connected to the end of the turntable (2) at its end.

8. A multifunctional processing device for evaporator inlets according to claim 1, characterized in that: The base (1) has four legs (103) fixedly connected to its bottom in a circular array.