CN103692176A - Production method of parallel flow heat exchanger for automobile air conditioner - Google Patents
Production method of parallel flow heat exchanger for automobile air conditioner Download PDFInfo
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- CN103692176A CN103692176A CN201310667180.4A CN201310667180A CN103692176A CN 103692176 A CN103692176 A CN 103692176A CN 201310667180 A CN201310667180 A CN 201310667180A CN 103692176 A CN103692176 A CN 103692176A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
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Abstract
The invention discloses a production method of a parallel flow heat exchanger for an automobile air conditioner. The method comprises the steps of collecting main processing, flat tube processing, fin processing, side board processing, core body assembly, core body strapping, blanking cover installation, spot welding before furnace, inspection before furnace, core body correction, flux spraying, core body drying, inspection in the middle of furnace, brazing furnace welding, welding after furnace, fin correction, general assembly, inflation and pressure preservation, in-process inspection, comprehensive treatment of non-conforming products, packaging and stock-in procedures. The production method of the parallel flow heat exchanger for the automobile air conditioner has the advantages that due to the adoption of the spot welding before furnace procedure, the utilization efficiency of a brazing furnace is improved; the product conformity rate is improved through the inspection before furnace, inspection in the middle of the furnace, inspection after furnace and final inspection procedures; the product size consistency is improved through the core body correction procedure. Meanwhile, the method has the characteristics of simple process, low equipment cost, easiness in transformation and the like.
Description
Technical field
The present invention designs the production method of heat exchanger, relates in particular to a kind of production method of used for automobile air conditioning parallel flow heat exchanger.
Background technology
Rapidly, parallel flow heat exchanger, because its efficient, compact feature is progressively replacing corrugated tube type, stacked heat exchanger structure, is best heat exchanger product development prospect for Domestic Automotive Industry development.But there is the problems such as production efficiency is low, product size poor stability, soldering oven service efficiency is low, yield rate is not high in used for automobile air conditioning parallel-flow heat exchanger production method at present.Now people thirst for a kind of production method that is applicable to produce in enormous quantities used for automobile air conditioning parallel flow heat exchanger and solve the problem in reality.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of production method of used for automobile air conditioning parallel flow heat exchanger.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of production method of used for automobile air conditioning parallel flow heat exchanger comprises: Machining of Pick-up Tube, flat tube processing, fin machining, side plate processing, core body assembling, core body is tied up, blanking cover is installed, stokehold spot welding, stokehold check, core body is corrected, brazing flux spraying, core body is dried, in stove, check, soldering oven welding, after stove, weld, after stove, check, fin correction, general assembly, inflation pressurize, middle inspection, defective work integrated treatment, packing warehouse-in operation, wherein Machining of Pick-up Tube comprises that header cuts off, cut septalium, boring, rush flat tube mounting groove, clean, baking operation, flat tube processing comprises flat tube shaping, flat tube cuts off, clean, baking operation, fin machining comprises fin moulding, fin cuts off, clean, baking operation, side plate processing comprises side plate blanking, side plate punching press, clean, baking operation.
The production method of used for automobile air conditioning parallel flow heat exchanger comprises the following steps:
1) header is carried out to Machining of Pick-up Tube operation, flat tube is carried out to flat tube manufacturing procedure, fin is carried out to fin machining operation, side plate is carried out to side plate manufacturing procedure;
2) carry out core body assembling procedure, the header machining, flat tube, fin, side plate are assembled, first flat tube, fin are arranged in order, place afterwards side plate, finally header is pressed into flat tube, and guarantees that the relative position between all parts is correct;
3) carry out core body and tie up operation, use iron wire that the heat exchanging core that completes assembling is tied up, the relative position between all parts is not changed;
4) carry out blanking cover installation procedure, blanking cover is installed to the two ends of header;
5) carry out stokehold point welding process, core body is placed on to location on a welding stage and fixes, afterwards header, flat tube, fin, side plate, blanking cover are linked together by argon arc welding spot welding.
6) carry out stokehold inspection process, the relative positional accuracy between the monnolithic case size of heat exchanger, form accuracy and each parts is detected, detect the qualified step 8 that enters, detect the defective step 7 that enters;
7) carry out core body correction process, underproof heat exchanger core is carried out to shaping, core body is placed to correcting working table, core body length, header and flat tube angle, Diagonal Dimension etc. are proofreaied and correct, after shaping is qualified, enter operation 8;
8) carry out brazing flux spraying process, first the hole on heat exchanger core import and export and header is covered with special-purpose paster, afterwards core body is put into spray chamber spray, brush afterwards flux solution to weld bond position, finally tear the paster in import and export;
9) carry out core body baking operation, heat exchanger core is dried, evaporate the moisture in spraying brazing flux;
10) carry out inspection process in stove, completely whether whether evaporation, iron wire become flexible inspection moisture, whether heat exchanger core is smooth, whether spray brazing flux is evenly attached on fin, whether smear brazing flux complete and even, wipe on header unnecessary pricker powder and the surperficial brazing flux uniformity coefficient of heat exchanger is tested, detect the qualified operation 11 that enters, detect underproof heat exchanger and return to operation 8, re-start brazing flux spraying;
11) carry out soldering oven welding sequence, by soldering, each parts of heat exchanger are linked together;
12) carry out welding sequence after stove, the heat exchanger accessories such as inlet, liquid outlet are welded on heat exchanger core;
13) carry out inspection process after stove, the welding quality of heat exchanger accessory is detected, detect the qualified operation 14 that enters, detect underproof heat exchanger and return to step 12, again weld accessory;
14) carry out fin correction operation, to occurring that in above step the fin of distortion carries out shaping;
15) carry out general assembly operation, associated conduit is connected to the corresponding mouth of pipe fixing;
16) inflate pressurize operation, heat exchanger inside is filled with the gas of certain pressure, and keeps internal gas pressure;
17) carry out inspection at end operation, heat exchanger integral body is inserted in water and carried out air-tightness detection, heat exchanger product design size is tested simultaneously, be up to the standards and enter step 19, disqualified upon inspection enters step 18;
18) carry out defective work integrated treatment operation, according to the concrete condition of substandard product, carry out shaping, reparation, repair welding, disassemble or scrap;
19) pack warehouse-in operation.
The Machining of Pick-up Tube operation of the production method of used for automobile air conditioning parallel flow heat exchanger comprises the following steps:
1) carry out header and cut off operation, header raw material is cut into the header of formulating length;
2) cut septalium operation, in the side of header, cut out for placing the half slot of dividing plate;
3) carry out drilling operating, in header side, get out inlet opening and apopore;
4) rush flat tube mounting groove operation, in header side, equidistantly go out flat tube mounting groove;
5) carry out matting, the header machining is placed in service sink and is cleaned, attachment removal is at surperficial dust and the chip producing in process;
6) carry out baking operation, the water that is attached to header surface after cleaning is dried.
The flat tube manufacturing procedure of the production method of used for automobile air conditioning parallel flow heat exchanger comprises the following steps:
1) carry out flat tube trimming, by a plurality of rollers, flat tube is stretched, pushes action, the flat tube raw material that is dish dress is originally straightened;
2) carry out flat tube and cut off operation, flat tube is cut into some sections of equal length;
3) carry out matting, the flat tube that cutting is completed is placed in service sink and cleans, and attachment removal is at surperficial dust and the chip producing in process;
4) carry out baking operation, the water that is attached to collection flat tube surface after cleaning is dried.
The fin machining operation of the production method of used for automobile air conditioning parallel flow heat exchanger comprises the following steps:
1) carry out fin molding procedure, the shape of using punch press that fin machining is become to formulate;
2) carry out fin and cut off operation, fin is cut into some sections of equal length;
3) carry out matting, the fin machining is placed in service sink and is cleaned, attachment removal is at surperficial dust and the chip producing in process;
4) carry out baking operation, the water that is attached to fin surface after cleaning is dried.
The side plate manufacturing procedure of used for automobile air conditioning parallel flow heat exchanger comprises the following steps:
1) carry out side plate blanking procedure, according to size of heat exchanger, select the side plate raw material of proper width, and be cut to the side plate raw material of equal length;
2) carry out side plate stamping procedure, side plate is struck out to the shape matching with heat exchanger size;
3) carry out matting, the side plate just machining is placed in service sink and cleans, and attachment removal is at surperficial dust and the chip producing in process;
4) carry out baking operation, the water that is attached to side plate surface after cleaning is dried.
The invention has the beneficial effects as follows: adopt stokehold point welding process, improved soldering oven service efficiency; After utilizing check in stokehold check, stove, stove, check and examine eventually operation, having improved product percent of pass; Utilize core body correcting process to improve product size uniformity.Simultaneously the method also has that technique is simple, equipment cost is low, be easy to the features such as transformation.
Accompanying drawing explanation
Fig. 1 is a kind of production method schematic diagram of used for automobile air conditioning parallel flow heat exchanger;
The specific embodiment
Below in conjunction with the detailed embodiments of the present invention of accompanying drawing:
As shown in Figure 1, a kind of production method of used for automobile air conditioning parallel flow heat exchanger comprises: Machining of Pick-up Tube, flat tube processing, fin machining, side plate processing, core body assembling, core body is tied up, blanking cover is installed, stokehold spot welding, stokehold check, core body is corrected, brazing flux spraying, core body is dried, in stove, check, soldering oven welding, after stove, weld, after stove, check, fin correction, general assembly, inflation pressurize, middle inspection, defective work integrated treatment, packing warehouse-in operation, wherein Machining of Pick-up Tube comprises that header cuts off, cut septalium, boring, rush flat tube mounting groove, clean, baking operation, flat tube processing comprises flat tube shaping, flat tube cuts off, clean, baking operation, fin machining comprises fin moulding, fin cuts off, clean, baking operation, side plate processing comprises side plate blanking, side plate punching press, clean, baking operation.
The production method of used for automobile air conditioning parallel flow heat exchanger comprises the following steps:
1) header is carried out to Machining of Pick-up Tube operation, flat tube is carried out to flat tube manufacturing procedure, fin is carried out to fin machining operation, side plate is carried out to side plate manufacturing procedure;
2) carry out core body assembling procedure, the header machining, flat tube, fin, side plate are assembled, first flat tube, fin are arranged in order, place afterwards side plate, finally header is pressed into flat tube, and guarantees that the relative position between all parts is correct;
3) carry out core body and tie up operation, use iron wire that the heat exchanging core that completes assembling is tied up, the relative position between all parts is not changed;
4) carry out blanking cover installation procedure, blanking cover is installed to the two ends of header;
5) carry out stokehold point welding process, core body is placed on to location on a welding stage and fixes, afterwards header, flat tube, fin, side plate, blanking cover are linked together by argon arc welding spot welding.
6) carry out stokehold inspection process, the relative positional accuracy between the monnolithic case size of heat exchanger, form accuracy and each parts is detected, detect the qualified step 8 that enters, detect the defective step 7 that enters;
7) carry out core body correction process, underproof heat exchanger core is carried out to shaping, core body is placed to correcting working table, core body length, header and flat tube angle, Diagonal Dimension etc. are proofreaied and correct, after shaping is qualified, enter operation 8;
8) carry out brazing flux spraying process, first the hole on heat exchanger core import and export and header is covered with special-purpose paster, afterwards core body is put into spray chamber spray, brush afterwards flux solution to weld bond position, finally tear the paster in import and export;
9) carry out core body baking operation, heat exchanger core is dried, evaporate the moisture in spraying brazing flux;
10) carry out inspection process in stove, completely whether whether evaporation, iron wire become flexible inspection moisture, whether heat exchanger core is smooth, whether spray brazing flux is evenly attached on fin, whether smear brazing flux complete and even, wipe on header unnecessary pricker powder and the surperficial brazing flux uniformity coefficient of heat exchanger is tested, detect the qualified operation 11 that enters, detect underproof heat exchanger and return to operation 8, re-start brazing flux spraying;
11) carry out soldering oven welding sequence, by soldering, each parts of heat exchanger are linked together;
12) carry out welding sequence after stove, the heat exchanger accessories such as inlet, liquid outlet are welded on heat exchanger core;
13) carry out inspection process after stove, the welding quality of heat exchanger accessory is detected, detect the qualified operation 14 that enters, detect underproof heat exchanger and return to step 12, again weld accessory;
14) carry out fin correction operation, to occurring that in above step the fin of distortion carries out shaping;
15) carry out general assembly operation, associated conduit is connected to the corresponding mouth of pipe fixing;
16) inflate pressurize operation, heat exchanger inside is filled with the gas of certain pressure, and keeps internal gas pressure;
17) carry out inspection at end operation, heat exchanger integral body is inserted in water and carried out air-tightness detection, heat exchanger product design size is tested simultaneously, be up to the standards and enter step 19, disqualified upon inspection enters step 18;
18) carry out defective work integrated treatment operation, according to the concrete condition of substandard product, carry out shaping, reparation, repair welding, disassemble or scrap;
19) pack warehouse-in operation.
The Machining of Pick-up Tube operation of the production method of used for automobile air conditioning parallel flow heat exchanger comprises the following steps:
1) carry out header and cut off operation, header raw material is cut into the header of formulating length;
2) cut septalium operation, in the side of header, cut out for placing the half slot of dividing plate;
3) carry out drilling operating, in header side, get out inlet opening and apopore;
4) rush flat tube mounting groove operation, in header side, equidistantly go out flat tube mounting groove;
5) carry out matting, the header machining is placed in service sink and is cleaned, attachment removal is at surperficial dust and the chip producing in process;
6) carry out baking operation, the water that is attached to header surface after cleaning is dried.
The flat tube manufacturing procedure of the production method of used for automobile air conditioning parallel flow heat exchanger comprises the following steps:
1) carry out flat tube trimming, by a plurality of rollers, flat tube is stretched, pushes action, the flat tube raw material that is dish dress is originally straightened;
2) carry out flat tube and cut off operation, flat tube is cut into some sections of equal length;
3) carry out matting, the flat tube that cutting is completed is placed in service sink and cleans, and attachment removal is at surperficial dust and the chip producing in process;
4) carry out baking operation, the water that is attached to collection flat tube surface after cleaning is dried.
The fin machining operation of the production method of used for automobile air conditioning parallel flow heat exchanger comprises the following steps:
1) carry out fin molding procedure, the shape of using punch press that fin machining is become to formulate;
2) carry out fin and cut off operation, fin is cut into some sections of equal length;
3) carry out matting, the fin machining is placed in service sink and is cleaned, attachment removal is at surperficial dust and the chip producing in process;
4) carry out baking operation, the water that is attached to fin surface after cleaning is dried.
The side plate manufacturing procedure of used for automobile air conditioning parallel flow heat exchanger comprises the following steps:
1) carry out side plate blanking procedure, according to size of heat exchanger, select the side plate raw material of proper width, and be cut to the side plate raw material of equal length;
2) carry out side plate stamping procedure, side plate is struck out to the shape matching with heat exchanger size;
3) carry out matting, the side plate just machining is placed in service sink and cleans, and attachment removal is at surperficial dust and the chip producing in process;
4) carry out baking operation, the water that is attached to side plate surface after cleaning is dried.
Claims (6)
1. the production method of a used for automobile air conditioning parallel flow heat exchanger, it is characterized in that, comprise Machining of Pick-up Tube, flat tube processing, fin machining, side plate processing, core body assembling, core body is tied up, blanking cover is installed, stokehold spot welding, stokehold check, core body is corrected, brazing flux spraying, core body is dried, in stove, check, soldering oven welding, after stove, weld, after stove, check, fin correction, general assembly, inflation pressurize, middle inspection, defective work integrated treatment, packing warehouse-in operation, wherein Machining of Pick-up Tube comprises that header cuts off, cut septalium, boring, rush flat tube mounting groove, clean, baking operation, flat tube processing comprises flat tube shaping, flat tube cuts off, clean, baking operation, fin machining comprises fin moulding, fin cuts off, clean, baking operation, side plate processing comprises side plate blanking, side plate punching press, clean, baking operation.
2. a production method for used for automobile air conditioning parallel flow heat exchanger as claimed in claim 1, is characterized in that, comprises the following steps:
1) header is carried out to Machining of Pick-up Tube operation, flat tube is carried out to flat tube manufacturing procedure, fin is carried out to fin machining operation, side plate is carried out to side plate manufacturing procedure;
2) carry out core body assembling procedure, the header machining, flat tube, fin, side plate are assembled, first flat tube, fin are arranged in order, place afterwards side plate, finally header is pressed into flat tube, and guarantees that the relative position between all parts is correct;
3) carry out core body and tie up operation, use iron wire that the heat exchanging core that completes assembling is tied up, the relative position between all parts is not changed;
4) carry out blanking cover installation procedure, blanking cover is installed to the two ends of header;
5) carry out stokehold point welding process, core body is placed on to location on a welding stage and fixes, afterwards header, flat tube, fin, side plate, blanking cover are linked together by argon arc welding spot welding.
6) carry out stokehold inspection process, the relative positional accuracy between the monnolithic case size of heat exchanger, form accuracy and each parts is detected, detect the qualified step 8 that enters, detect the defective step 7 that enters;
7) carry out core body correction process, underproof heat exchanger core is carried out to shaping, core body is placed to correcting working table, core body length, header and flat tube angle, Diagonal Dimension etc. are proofreaied and correct, after shaping is qualified, enter operation 8;
8) carry out brazing flux spraying process, first the hole on heat exchanger core import and export and header is covered with special-purpose paster, afterwards core body is put into spray chamber spray, and brush flux solution to weld bond position, finally tear the paster in import and export;
9) carry out core body baking operation, heat exchanger core is dried, evaporate the moisture in spraying brazing flux;
10) carry out inspection process in stove, completely whether whether evaporation, iron wire become flexible inspection moisture, whether heat exchanger core is smooth, whether spray brazing flux is evenly attached on fin, whether smear brazing flux complete and even, wipe on header unnecessary pricker powder and the surperficial brazing flux uniformity coefficient of heat exchanger is tested, detect the qualified operation 11 that enters, detect underproof heat exchanger and return to operation 8, re-start brazing flux spraying;
11) carry out soldering oven welding sequence, by soldering, each parts of heat exchanger are linked together;
12) carry out welding sequence after stove, the heat exchanger accessories such as inlet, liquid outlet are welded on heat exchanger core;
13) carry out inspection process after stove, the welding quality of heat exchanger accessory is detected, detect the qualified operation 14 that enters, detect underproof heat exchanger and return to step 12, again weld accessory;
14) carry out fin correction operation, to occurring that in above step the fin of distortion carries out shaping;
15) carry out general assembly operation, associated conduit is connected to the corresponding mouth of pipe fixing;
16) inflate pressurize operation, heat exchanger inside is filled with the gas of certain pressure, and keeps internal gas pressure;
17) carry out inspection at end operation, heat exchanger integral body is inserted in water and carried out air-tightness detection, heat exchanger product design size is tested simultaneously, be up to the standards and enter step 19, disqualified upon inspection enters step 18;
18) carry out defective work integrated treatment operation, according to the concrete condition of substandard product, carry out shaping, reparation, repair welding, disassemble or scrap;
19) pack warehouse-in operation.
3. a production method for used for automobile air conditioning parallel flow heat exchanger as claimed in claim 1, is characterized in that, Machining of Pick-up Tube operation comprises the following steps:
1) carry out header and cut off operation, header raw material is cut into the header of formulating length;
2) cut septalium operation, in the side of header, cut out for placing the half slot of dividing plate;
3) carry out drilling operating, in header side, get out inlet opening and apopore;
4) rush flat tube mounting groove operation, in header side, equidistantly go out flat tube mounting groove;
5) carry out matting, the header machining is placed in service sink and is cleaned, attachment removal is at surperficial dust and the chip producing in process;
6) carry out baking operation, the water that is attached to header surface after cleaning is dried.
4. a production method for used for automobile air conditioning parallel flow heat exchanger as claimed in claim 1, is characterized in that, flat tube manufacturing procedure comprises the following steps:
1) carry out flat tube trimming, by a plurality of rollers, flat tube is stretched, pushes action, the flat tube raw material that is dish dress is originally straightened;
2) carry out flat tube and cut off operation, flat tube is cut into some sections of equal length;
3) carry out matting, the flat tube that cutting is completed is placed in service sink and cleans, and attachment removal is at surperficial dust and the chip producing in process;
4) carry out baking operation, the water that is attached to collection flat tube surface after cleaning is dried.
5. a production method for used for automobile air conditioning parallel flow heat exchanger as claimed in claim 1, is characterized in that, fin machining operation comprises the following steps:
1) carry out fin molding procedure, the shape of using punch press that fin machining is become to formulate;
2) carry out fin and cut off operation, fin is cut into some sections of equal length;
3) carry out matting, the fin machining is placed in service sink and is cleaned, attachment removal is at surperficial dust and the chip producing in process;
4) carry out baking operation, the water that is attached to fin surface after cleaning is dried.
6. a production method for used for automobile air conditioning parallel flow heat exchanger as claimed in claim 1, is characterized in that, side plate manufacturing procedure comprises the following steps:
1) carry out side plate blanking procedure, according to size of heat exchanger, select the side plate raw material of proper width, and be cut to the side plate raw material of equal length;
2) carry out side plate stamping procedure, side plate is struck out to the shape matching with heat exchanger size;
3) carry out matting, the side plate just machining is placed in service sink and cleans, and attachment removal is at surperficial dust and the chip producing in process;
4) carry out baking operation, the water that is attached to side plate surface after cleaning is dried.
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| CN201310667180.4A CN103692176A (en) | 2013-12-11 | 2013-12-11 | Production method of parallel flow heat exchanger for automobile air conditioner |
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| CN105690052A (en) * | 2015-09-18 | 2016-06-22 | 安庆市盛唐制冷设备有限责任公司 | Manufacturing technology for laminated evaporator |
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| CN108800989A (en) * | 2018-05-25 | 2018-11-13 | 上海加冷松芝汽车空调股份有限公司 | Parallel flow evaporator core assembly line and evaporator core assemble method |
| CN108581470A (en) * | 2018-05-25 | 2018-09-28 | 上海加冷松芝汽车空调股份有限公司 | Condenser core assembly line and assemble method |
| CN108581470B (en) * | 2018-05-25 | 2023-06-27 | 上海松芝酷能汽车技术有限公司 | Condenser core assembly production line and assembly method |
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| CN109735745A (en) * | 2019-01-23 | 2019-05-10 | 大力神铝业股份有限公司 | A kind of preparation method for losing automobile evaporator tube sheet material for manufacturing high-strength corrosion-resistant |
| CN110513888A (en) * | 2019-08-28 | 2019-11-29 | 姜向荣 | A kind of flat-plate U microchannel graphene heat hot water device |
| CN110434246A (en) * | 2019-08-30 | 2019-11-12 | 上海德朗汽车散热器制造有限公司 | A kind of inserting of vehicle intercooler flat tube inner fin smooths integration apparatus with flat tube |
| CN110732854A (en) * | 2019-10-26 | 2020-01-31 | 江西江南精密科技有限公司 | Production process of precision heat-dissipation copper blocks |
| CN111702272A (en) * | 2020-06-17 | 2020-09-25 | 江西洪都航空工业集团有限责任公司 | Flame brazing welding method for copper-steel dissimilar metal |
| CN113054279A (en) * | 2021-02-09 | 2021-06-29 | 杭州易斐换热技术有限公司 | Battery heat exchanger and preparation method thereof |
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