Heat exchanger production system

Abstract

The utility model belongs to the technical field of heat exchanger production, and particularly relates to a heat exchanger production system which comprises a core body production assembly, parts used for producing a core body and an assembled core body. The spraying assembly is arranged behind the core body production assembly and used for spraying scaling powder; the drying assembly is arranged behind the spraying assembly and used for drying the scaling powder; the welding assembly is arranged behind the drying assembly; the detection assembly is arranged behind the welding assembly; the spraying assembly is provided with a liquid storage tank, a pump machine and a nozzle, and the pump machine is communicated with the liquid storage tank and the nozzle. Core bodies are produced through the core body production assembly, then scaling powder is sprayed to the surfaces of the core bodies through the spraying assembly, then the scaling powder is dried through the drying assembly and adheres to the surfaces of the core bodies, then the connecting portions of the core bodies are welded through the welding assembly, and finally the quality of the core bodies is detected through the detection assembly. The production steps of the system are few, the manufacturing period can be shortened, and the production efficiency can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat exchanger production, and specifically relates to a heat exchanger production system. Background Art

[0002] Traditional heat exchanger processing technology has problems such as high manufacturing cost and low efficiency. In order to meet the requirements of efficient heat exchange, microchannel heat exchangers are widely used. However, the existing microchannel heat exchanger processing technology still has some problems, such as difficulty in realizing complex structural processing and long manufacturing cycle.

[0003] Therefore, it is urgent to propose a new technical solution to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a heat exchanger production system to address the deficiencies of the prior art, which can reduce the processing steps of the heat exchanger, shorten the manufacturing cycle, and reduce the production cost.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A heat exchanger production system, comprising:

[0007] Core production components, used to produce core parts and assemble cores;

[0008] A spray assembly, arranged behind the core production assembly, for spraying soldering flux;

[0009] A drying component, arranged after the spraying component, for drying the soldering flux;

[0010] A welding assembly, arranged after the drying assembly;

[0011] A detection assembly, arranged after the welding assembly;

[0012] The spray assembly is provided with a liquid storage tank, a pump and a nozzle, and the pump is connected to the liquid storage tank and the nozzle respectively.

[0013] Preferably, the core production components include a collector stamping machine, a flat tube extruder, a fin rolling machine, a side plate manufacturing machine, an ultrasonic cleaning machine and a core assembly machine; the collector stamping machine, the flat tube extruder, the fin rolling machine and the side plate manufacturing machine are all arranged before the ultrasonic cleaning machine, and the core assembly components are arranged after the ultrasonic cleaning machine.

[0014] Preferably, the collector punching machine comprises a punching device and a positioning device, the punching device and the positioning device are arranged adjacent to each other, the positioning device is used to fix the collector, and the punching device is used to punch holes in the collector.

[0015] Preferably, the flat tube extruder comprises a hot extrusion device and a zinc spraying device, and the zinc spraying device and the hot extrusion device are arranged adjacent to each other.

[0016] Preferably, the fin rolling machine comprises a conveying device and a rolling device, wherein the conveying device is arranged before the rolling device, the conveying device is used to convey aluminum foil to the rolling device, and the rolling device is used to roll the aluminum foil into fins.

[0017] Preferably, the ultrasonic cleaning machine includes a feeding device, a first cleaning device, a second cleaning device, a rinsing device and a discharging device, wherein the first cleaning device is arranged between the feeding device and the rinsing device, and the second cleaning device is arranged between the rinsing device and the discharging device.

[0018] Preferably, the first cleaning device comprises a first tank body, a heater and a first ultrasonic generator, and the heater and the first ultrasonic generator are both arranged on the surface of the first tank body.

[0019] Preferably, the second cleaning device comprises a second tank body and a second ultrasonic generator, and the second ultrasonic generator is arranged on the surface of the second tank body.

[0020] Preferably, the ultrasonic cleaning machine further includes a controller, and the heater, the first ultrasonic generator and the second ultrasonic generator are all electrically connected to the controller.

[0021] Preferably, the core assembly machine comprises a placing device and an extruding device, wherein the placing device is used to place the parts of the core, and the extruding device is arranged at both ends of the placing device, and the extruding device is used to install the parts of the core on the placing device.

[0022] Preferably, the welding assembly includes a loading device, a drying furnace, a transition frame, a welding device, a transmission device and a unloading device, the drying furnace is arranged between the loading device and the transition frame, the welding device is arranged between the transition frame and the transmission device, and the unloading device is arranged behind the transmission device.

[0023] Preferably, the welding device includes a front chamber, a preheating furnace, a brazing furnace, a slag cleaning chamber, a cooling chamber and a rear chamber, the preheating furnace is arranged between the front chamber and the brazing furnace, the slag cleaning chamber is arranged between the brazing furnace and the cooling chamber, and the rear chamber is arranged after the cooling chamber.

[0024] Preferably, the detection assembly comprises a shaping device, an airtightness detection device and a drying device, and the airtightness detection device is arranged between the shaping device and the drying device.

[0025] Preferably, the air tightness detection device comprises an air outlet piece, an air pipe and a receiving groove, wherein the air pipe is used to connect the air outlet piece and the core body, and the receiving groove is used to place the core body.

[0026] The beneficial effects of the utility model are as follows: the utility model includes a core production component, which is used to produce core parts and assemble the core; a spray component, which is arranged after the core production component, and is used to spray flux; a drying component, which is arranged after the spray component, and is used to dry flux; a welding component, which is arranged after the drying component; and a detection component, which is arranged after the welding component; the spray component is provided with a liquid storage tank, a pump and a nozzle, and the pump is connected to the liquid storage tank and the nozzle respectively. The utility model produces the core through the core production component, and then sprays the flux to the surface of the core through the spray component, and then makes the flux adhere to the surface of the core through the drying component, and then uses the welding component to weld the connection parts of the core, and finally detects the quality of the core through the detection component. The system integrates the assembly of the core to reduce the assembly steps, and then uses the spray component to evenly spray the flux on the surface of the core, which speeds up the time of applying the flux, and speeds up the drying speed of the flux through the drying component, reduces the processing procedures of the heat exchanger, shortens the manufacturing cycle, and reduces the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the system structure of the utility model.

[0028] Figure 2 It is a schematic diagram of the overall structure of the fin roller press of the utility model.

[0029] Figure 3 It is a schematic diagram of the overall structure of the ultrasonic cleaning machine of the utility model.

[0030] Figure 4 It is a schematic diagram of the overall structure of the core assembly machine of the utility model.

[0031] Figure 5 It is a schematic diagram of the overall structure of the welding assembly of the utility model.

[0032] Among them: 1. core production assembly; 11. header punching machine; 111. punching device; 112. positioning device; 12. flat tube extruder; 121. hot extrusion device; 122. zinc spraying device; 13. fin roller press; 131. conveying device; 132. roller press; 14. side plate manufacturing machine; 15. ultrasonic cleaning machine; 151. feeding device; 152. first cleaning device; 1521. first tank; 1522. first ultrasonic generator; 1523. heater; 153. second cleaning device; 1531. second tank; 1532. second ultrasonic generator; 154. rinsing device; 155. discharging device; 15 6. Controller; 16. Core assembly machine; 161. Placing device; 162. Extrusion device; 2. Spraying assembly; 21. Liquid storage tank; 22. Pump; 23. Nozzle; 3. Drying assembly; 4. Welding assembly; 41. Loading device; 42. Drying furnace; 43. Transition rack; 44. Welding device; 441. Front chamber; 442. Preheating furnace; 443. Brazing furnace; 444. Slag removal chamber; 445. Cooling chamber; 446. Rear chamber; 45. Transmission device; 46. Unloading device; 5. Detection assembly; 51. Shaping device; 52. Air tightness detection device; 521. Air outlet; 522. Air pipe; 523. Receiving tank; 53. Drying device. DETAILED DESCRIPTION

[0033] If certain words are used in the specification and claims to refer to specific components, those skilled in the art should understand that manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. As mentioned throughout the specification and claims, "including" is an open term and should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0034] In the utility model, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.

[0035] The following is combined with Figures 1 to 5 The utility model is further described in detail with specific embodiments, but is not intended to limit the utility model.

[0036] Example 1

[0037] A heat exchanger production system, comprising:

[0038] Core production component 1, used for producing core parts and assembling cores;

[0039] A spraying assembly 2, arranged after the core production assembly 1, is used for spraying soldering flux;

[0040] A drying component 3, arranged after the spray component 2, is used to dry the soldering flux;

[0041] A welding assembly 4, arranged after the drying assembly 3, for welding the core;

[0042] A detection component 5 is arranged after the welding component 4 and is used to detect the core body after welding;

[0043] The spray assembly 2 is provided with a liquid storage tank 21, a pump 22 and a nozzle 23. The pump 22 is connected to the liquid storage tank 21 and the nozzle 23 respectively. The liquid storage tank 21 is used to store flux, and the pump 22 is used to pump the flux in the liquid storage tank 21 to the nozzle 23. The flux of the present application is specifically a flux, the liquid storage tank 21 is specifically a flux tank, and the pump 22 is specifically a pneumatic diaphragm pump.

[0044] The core is produced by the core production component 1, and then the flux is sprayed on the surface of the core by the spray component 2, and then the flux is adhered to the surface of the core by the drying component 3, and then the connecting parts of the core are welded by the welding component 4, and finally the quality of the core is detected by the detection component 5. This system integrates the assembly of the core to reduce the assembly steps, and then uses the spray component 2 to evenly spray the flux on the surface of the core, which speeds up the time of applying the flux. The drying speed of the flux is accelerated by the drying component 3, and the processing procedures of the heat exchanger are reduced. In addition, the core production component 1 can be used for complex structure processing, which shortens the manufacturing cycle and reduces the production cost.

[0045] In this embodiment, the core production assembly 1 includes a header punching machine 11, a flat tube extruder 12, a fin roller press 13, a side plate manufacturing machine 14, an ultrasonic cleaning machine 15 and a core assembly machine 16. The header punching machine 11, the flat tube extruder 12, the fin roller press 13 and the side plate manufacturing machine 14 are all arranged before the ultrasonic cleaning machine 15, and the core assembly assembly is arranged after the ultrasonic cleaning machine 15. The header punching machine 11 is used to produce headers, the flat tube extruder 12 is used to produce flat tubes, the fin roller press 13 is used to produce louvered fins, the side plate manufacturing machine 14 is used to produce end caps or side plates, and the ultrasonic cleaning machine 15 is used to clean the produced headers, flat tubes, fins, end caps or side plates, so as to remove oil or impurities on their surfaces.

[0046] In this embodiment, the header punching machine 11 includes a punching device 111 and a positioning device 112. The punching device 111 and the positioning device 112 are arranged adjacent to each other. The positioning device 112 is used to fix the header, and the punching device 111 is used to punch holes in the header. The header punching machine 11 is used to punch holes in the header, and the positioning device 112 is used to fix the header. Specifically, the header punching machine 11 used in this application is an automatic loading and unloading aluminum tube punching machine.

[0047] In this embodiment, the flat tube extruder 12 includes a microchannel device, a hot extrusion device 121 and a zinc spraying device 122. The zinc spraying device 122 and the hot extrusion device 121 are arranged adjacent to each other, and the microchannel device and the hot extrusion device 121 are arranged adjacent to each other. The hot extrusion device 121 makes the aluminum rod easier to process by heating. The zinc spraying device 122 is used to spray a layer of zinc on the surface of the flat tube after extrusion, which can protect the flat tube and extend the life of the flat tube. The microchannel device can generate tiny channels and wall thicknesses in the flat tube, which can effectively increase the heat dissipation area and improve the heat transfer efficiency.

[0048] In this embodiment, the fin roller press 13 includes a conveyor 131 and a roller press 132. The conveyor 131 is arranged before the roller press 132. The conveyor 131 is used to convey aluminum foil to the roller press 132, and the roller press 132 is used to roll the aluminum foil into fins. The conveyor 131 is used to convey the aluminum foil to the working area of ​​the roller press 132, and the roller press 132 then processes the aluminum foil. The roller press 132 rolls the aluminum foil into louver-type fins. The fins have louver-type grids at equal distances, which protrude toward the inner flow channel to enhance heat transfer.

[0049] In this embodiment, the ultrasonic cleaning machine 15 includes a feeding device 151, a first cleaning device 152, a second cleaning device 153, a rinsing device 154 and a discharging device 155. The first cleaning device 152 is arranged between the feeding device 151 and the rinsing device 154, and the second cleaning device 153 is arranged between the rinsing device 154 and the discharging device 155. The user puts the core parts to be cleaned into the ultrasonic cleaning machine 15 through the feeding device 151, removes the grease on the parts through the first cleaning device 152, removes the residual substances on the parts through the rinsing device 154, and then performs a secondary cleaning on the parts through the second cleaning device 153 to achieve a further cleaning effect. Finally, the cleaned parts are removed from the ultrasonic cleaning machine 15 through the discharging device 155.

[0050] In this embodiment, the first cleaning device 152 includes a first tank body 1521, a heater 1523 and a first ultrasonic generator 1522, and the heater 1523 and the first ultrasonic generator 1522 are both arranged on the surface of the first tank body 1521. The first tank body 1521 is used to place the parts to be cleaned, and a cleaning agent is placed inside the first tank body 1521. The heater 1523 is used to heat the first tank body 1521, and the first ultrasonic generator 1522 is used to provide ultrasonic waves to the first tank body 1521, so as to clean the parts inside the first tank body 1521. The ultrasonic wave frequency generated by the first ultrasonic generator 1522 is 25 to 30 kHz, and the heater 1523 needs to maintain the internal temperature of the first tank body 1521 at 50 to 80°C.

[0051] In this embodiment, the second cleaning device 153 includes a second tank body 1531 and a second ultrasonic generator 1532, and the second ultrasonic generator 1532 is arranged on the surface of the second tank body 1531. The second tank body 1531 is used to place the parts to be cleaned, and a cleaning agent is placed inside the second tank body 1531. The second ultrasonic generator 1532 is used to provide ultrasonic waves to the second tank body 1531, and the ultrasonic wave frequency generated by the second ultrasonic generator 1532 is 25 to 30 kHz.

[0052] In this embodiment, the ultrasonic cleaning machine 15 further includes a controller 156, and the heater 1523, the first ultrasonic generator 1522 and the second ultrasonic generator 1532 are all electrically connected to the controller 156. The controller 156 is used to control the temperature of the heater 1523 and the frequency of the ultrasonic waves generated by the first ultrasonic generator 1522 and the second ultrasonic generator 1532.

[0053] In this embodiment, the core assembly machine 16 includes a placement device 161 and an extrusion device 162. The placement device 161 is used to place the parts of the core. The extrusion device 162 is arranged at both ends of the placement device 161. The extrusion device 162 is used to install the parts of the core on the placement device 161. The placement device 161 arranges the fins and flat tubes delivered in sequence, installs the left and right headers at the specified limit positions of the placement device 161, and installs the upper and lower side plates on both sides of the fins. The placement device 161 automatically inserts the comb between the flat tubes to flatten the fins. The placement device 161 automatically inserts the left and right headers into the flat tubes and installs the core side fixing strips. The assembled core is tied with iron wire on the assembly machine. Through the above steps, the parts are assembled into a complete core.

[0054] Example 2

[0055] The present embodiment is different from the embodiment 1 in that the welding assembly 4 comprises a feeding device 41, a drying furnace 42, a transition frame 43, a welding device 44, a transmission device 45 and a feeding device 46. The drying furnace 42 is arranged between the feeding device 41 and the transition frame 43, the welding device 44 is arranged between the transition frame 43 and the transmission device 45, and the feeding device 46 is arranged after the transmission device 45. The feeding device 41 is used to transfer the assembled core body to the inside of the welding assembly 4, the drying furnace 42 is used to dry the core body, the transition frame 43 is used to transfer and cool the dried core body, the welding device 44 welds the core body, the transmission device 45 is used to provide power to the entire welding assembly 4, and the discharge port is used to transfer the welded core body out of the welding assembly 4.

[0056] In this embodiment, the welding device 44 includes a front chamber 441, a preheating furnace 442, a brazing furnace 443, a slag removal chamber 444, a cooling chamber 445 and a rear chamber 446. The preheating furnace 442 is arranged between the front chamber 441 and the brazing furnace 443, the slag removal chamber 444 is arranged between the brazing furnace 443 and the cooling chamber 445, and the rear chamber 446 is arranged after the cooling chamber 445. The front chamber 441 is used to place the core to be welded, the preheating furnace 442 is used to preheat the core to be welded, the brazing furnace 443 is used to weld the core, the slag removal chamber 444 is used to clean the welding residue, the cooling chamber 445 is used to cool the welded core, and the rear chamber 446 is used to place the core after welding. A forced air cooling zone is also arranged after the rear chamber 446 to cool the welded core again to prevent the previous cooling from being insufficient.

[0057] In this embodiment, the detection assembly 5 includes a shaping device 51, an airtightness detection device 52 and a drying device 53, and the airtightness detection device 52 is arranged between the shaping device 51 and the drying device 53. The shaping device 51 is used to detect the core body after welding, make shaping tools, manually visually check whether there is skewness or bending deformation, and then use the airtightness detection device 52 to detect the airtightness of the core body, and finally dry the detected core body to make the core body of the heat exchanger.

[0058] In this embodiment, the air tightness detection device 52 includes an air outlet 521, an air pipe 522 and a receiving groove 523. The air pipe 522 is used to connect the air outlet 521 and the core body, and the receiving groove 523 is used to place the core body. An air valve is provided at the air outlet of the air outlet 521. The core body is put into the receiving groove 523 after being tightened with the air pipe 522. Water is placed in the receiving groove 523. The gas discharged from the air outlet 521 is nitrogen. The air valve is opened, and the core body is completely immersed in water. The condition of the core body is observed to check whether there is air leakage.

[0059] The other structures of this embodiment are the same as those of Embodiment 1 and will not be described again here.

[0060] Example 3

[0061] This embodiment provides a microchannel heat exchanger processing technology, including the following steps:

[0062] S1. Header punching: Through the automatic loading and unloading aluminum tube punching machine, the pneumatic punching is clamped by the double-end clamping film to clamp the tube, and the four-volt adjustment positioning punching is completed in one time, with high efficiency and good accuracy;

[0063] S2. Flat tube extrusion: Refined aluminum rods are used for hot extrusion, and the surface is treated with zinc spraying for corrosion protection to produce thin-walled porous flat tubular materials;

[0064] S3, fin rolling: The aluminum foil is rolled on the fin machine through a cutter to form louvered fins. The fins have louvered grids with equal distances, protruding toward the inner flow channel, which plays a role in enhancing heat transfer;

[0065] S4, Ultrasonic cleaning: Put the stamped manifold, flat tube, end cover and side plate into the ultrasonic cleaning tank. Through the effect of ultrasonic vibration, the cleaning agent forms tiny bubbles on the surface of the parts, thereby removing oil stains and impurities;

[0066] S5, heat exchanger core assembly;

[0067] S51, before automatic assembly, set parameters according to the core specifications shown in the drawing and debug the automatic assembly machine;

[0068] S52, the automatic assembly machine discharges the delivered fins and flat tubes in sequence;

[0069] S53, installing the left and right manifolds at the limit positions specified by the assembly machine;

[0070] S54, install the upper and lower side plates on both sides of the fins;

[0071] S55, the assembly machine automatically inserts the comb between the flat tubes;

[0072] S56, flatten the fins, and the assembly machine automatically inserts the left and right headers into the flat tubes;

[0073] S57, insert the core side fixing strip;

[0074] S58, the assembled core body is tied with iron wire on the assembly machine;

[0075] S6. Spraying flux: Pour the flux with adjusted concentration into the flux tank, and pump the flux from the flux barrel to the nozzle through a pneumatic diaphragm pump. The nozzle adopts a quick-detachable fan-shaped nozzle with uniform spray force and good effect. Then, manually apply a single pass of the flux to the welding seam of the manifold and the flat tube with a brush to ensure that the flux is evenly attached to the product surface without omission;

[0076] S7, Drying: The flux dries to powder form and adheres evenly to the surface of the product;

[0077] S8, brazing: The surface of the collector is gray and pitted, and the color is uniform at all positions;

[0078] S9, Shaping: Make shaping tools, and visually check that there is no skew, bending or deformation;

[0079] S10, Air tightness test (water test): Tighten the core and the nitrogen tube and put them into water, open the air valve, immerse the product in water and observe the core;

[0080] S11, drying: the product is sent into the drying furnace and dried at high temperature;

[0081] S12. Appearance and dimension inspection: appearance bumps, fin crookedness, assembly dimension inspection.

[0082] Example 4

[0083] This embodiment provides a microchannel aluminum flat tube processing process, comprising the following steps:

[0084] Step 1: Inspect the purchased alloy round aluminum rods;

[0085] Step 2: Extruding the aluminum rod;

[0086] Step 3: Detect the aluminum rod;

[0087] Step 4: Cut and straighten the aluminum rod to make a flat tube;

[0088] Step 5: Inspect the manufactured flat tube.

[0089] Obviously, the utility model includes a core production component, which is used to produce core parts and assemble the core; a spray component, which is arranged after the core production component, and is used to spray flux; a drying component, which is arranged after the spray component, and is used to dry flux; a welding component, which is arranged after the drying component; a detection component, which is arranged after the welding component; the spray component is provided with a liquid storage tank, a pump and a nozzle, and the pump is connected to the liquid storage tank and the nozzle respectively. The utility model produces the core through the core production component, and then sprays the flux to the surface of the core through the spray component, and then makes the flux adhere to the surface of the core through the drying component, and then uses the welding component to weld the connection parts of the core, and finally detects the quality of the core through the detection component. The system integrates the assembly of the core to reduce the assembly steps, and then uses the spray component to evenly spray the flux on the surface of the core, which speeds up the time of applying the flux, and speeds up the drying speed of the flux through the drying component, reducing the processing procedures of the heat exchanger, and can carry out complex structural processing through the core production component, shortening the manufacturing cycle and reducing the production cost.

[0090] According to the disclosure and teaching of the above description, the technicians in the field of the utility model can also change and modify the above implementation. Therefore, the utility model is not limited to the above specific implementation, and any obvious improvement, replacement or modification made by the technicians in this field on the basis of the utility model belongs to the protection scope of the utility model. In addition, although some specific terms are used in this specification, these terms are only for the convenience of explanation and do not constitute any limitation to the utility model.

Claims

1. A heat exchanger production system, characterized in that: include: A core production component (1) for producing core parts and assembling the core; A spraying assembly (2), arranged behind the core production assembly (1), for spraying soldering flux; A drying component (3), arranged after the spray component (2), and used for drying the soldering flux; A welding assembly (4), arranged after the drying assembly (3); A detection component (5) is arranged behind the welding component (4); The spray assembly (2) is provided with a liquid storage tank (21), a pump (22) and a nozzle (23); the pump (22) is respectively connected to the liquid storage tank (21) and the nozzle (23).

2. The heat exchanger production system according to claim 1, characterized in that: The core production component (1) comprises a header punching machine (11), a flat tube extruder (12), a fin roller press (13), a side plate manufacturing machine (14), an ultrasonic cleaning machine (15) and a core assembly machine (16); the header punching machine (11), the flat tube extruder (12), the fin roller press (13) and the side plate manufacturing machine (14) are all arranged before the ultrasonic cleaning machine (15), and the core assembly machine (16) is arranged after the ultrasonic cleaning machine (15).

3. The heat exchanger production system according to claim 2, characterized in that: The collector punching machine (11) comprises a punching device (111) and a positioning device (112); the punching device (111) and the positioning device (112) are arranged adjacent to each other; the positioning device (112) is used to fix the collector, and the punching device (111) is used to punch holes in the collector.

4. The heat exchanger production system according to claim 2, characterized in that: The fin rolling machine (13) comprises a conveying device (131) and a rolling device (132), wherein the conveying device (131) is arranged before the rolling device (132), the conveying device (131) is used to convey aluminum foil to the rolling device (132), and the rolling device (132) is used to roll the aluminum foil into fins.

5. The heat exchanger production system according to claim 2, characterized in that: The ultrasonic cleaning machine (15) comprises a feeding device (151), a first cleaning device (152), a second cleaning device (153), a rinsing device (154) and a discharging device (155), wherein the first cleaning device (152) is arranged between the feeding device (151) and the rinsing device (154), and the second cleaning device (153) is arranged between the rinsing device (154) and the discharging device (155).

6. The heat exchanger production system according to claim 2, characterized in that: The core assembly machine (16) comprises a placing device (161) and an extrusion device (162), wherein the placing device (161) is used to place the core parts, and the extrusion device (162) is arranged at both ends of the placing device (161), and the extrusion device (162) is used to install the core parts on the placing device (161).

7. The heat exchanger production system according to claim 1, characterized in that: The welding assembly (4) comprises a loading device (41), a drying furnace (42), a transition frame (43), a welding device (44), a transmission device (45) and a unloading device (46); the drying furnace (42) is arranged between the loading device (41) and the transition frame (43); the welding device (44) is arranged between the transition frame (43) and the transmission device (45); and the unloading device (46) is arranged behind the transmission device (45).

8. The heat exchanger production system according to claim 7, characterized in that: The welding device (44) includes a front chamber (441), a preheating furnace (442), a brazing furnace (443), a slag cleaning chamber (444), a cooling chamber (445) and a rear chamber (446), wherein the preheating furnace (442) is arranged between the front chamber (441) and the brazing furnace (443), the slag cleaning chamber (444) is arranged between the brazing furnace (443) and the cooling chamber (445), and the rear chamber (446) is arranged after the cooling chamber (445).

9. The heat exchanger production system according to claim 1, characterized in that: The detection assembly (5) comprises a shaping device (51), an airtightness detection device (52) and a drying device (53), wherein the airtightness detection device (52) is arranged between the shaping device (51) and the drying device (53).

10. The heat exchanger production system according to claim 9, characterized in that: The air tightness detection device (52) comprises an air outlet piece (521), an air pipe (522) and a receiving groove (523); the air pipe (522) is used to connect the air outlet piece (521) and the core body, and the receiving groove (523) is used to place the core body.

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