CN102756239A - Method for manufacturing silencers for automotive air conditioners - Google Patents
Method for manufacturing silencers for automotive air conditioners Download PDFInfo
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- CN102756239A CN102756239A CN2012102231711A CN201210223171A CN102756239A CN 102756239 A CN102756239 A CN 102756239A CN 2012102231711 A CN2012102231711 A CN 2012102231711A CN 201210223171 A CN201210223171 A CN 201210223171A CN 102756239 A CN102756239 A CN 102756239A
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Abstract
The invention discloses a method for manufacturing silencers for automotive air conditioners, which comprises the following steps: 1) blanking; 2) end-flattening and passivating; 3) grinding workpieces; 4) extruding a U-shaped blank; 5) end-flattening the U-shaped blank; 6) manufacturing partition plate accessories of a chamber; 7) manufacturing accessories of a silencing tube; 8) synthesizing the accessories; 9) machining the workpieces; 10) synthesizing through argon arc welding; 11) finishing burrs; 12) carrying out airtight leakage detecting; 13) cleaning and drying; and 14) inspecting, packing and warehousing: carrying out final inspection on products subjected to cleaning and drying, and carrying out packaging and warehousing on qualified products. The method disclosed by the invention has the beneficial effects that: after U-shaped die blanks are formed through carrying out cold extrusion moulding on bar stocks, a silencer is formed through machining the U-shaped die blanks by using a blank component machine, and the product size and process design factors can be accurately controlled; a silencer product is good in appearance mirror image and not required to be repaired; a silencer product is strong in specification and shape controllability and good in physical and chemical properties, and the process conforms to the requirements of product process design; the production rate is high, the production cost is low, and the rate of finished products is high; and the method is high in degree of automation, energy-saving, environmental-friendly, safe and reliable.
Description
Technical field
The present invention relates to a kind of car air-conditioner muffler manufacturing approach.
Background technology
In car air-conditioner silencer (multi-cavity the is resonant) manufacturing approach; Forming technique to the U-shaped mold base; After existing process mainly adopted and waters mold base hinge sky and machined, (the inner chamber annex presets) formed product was synthesized in manual welding, except that product height (or length) size, profile are controlled; All the other process design considerations all can't be controlled; Because of workpiece material is cast through high temperature melting, the physicochemical property of product changes (reorganization of molecule crystal grain, burning, impure back embrittlement etc.), can't adapt to the process designing requirement of product; Throughput rate low (average 1PCS/80min, day work team's output≤400pcs/8h), production cost high (unit cost waste of raw materials rate>=800% * 2); And percent defective remains high (process PPM>=15000), serious waste of resources; Belong to serious backwardness, aging, expensive production technology.
Summary of the invention
The purpose of this invention is to provide a kind of car air-conditioner muffler manufacturing approach, adopt bar spare cold-extrusion shaping U-shaped mold base technology, satisfied the designing requirement of product process, solved the above-mentioned deficiency in the existing technology.
The present invention realizes its purpose through following technical scheme:
A kind of car air-conditioner muffler manufacturing approach may further comprise the steps:
1) blanking: raw material are cut through the aluminium automatic stock cutter;
2) flat mouthful of passivation: through precision meter lathe to the monolateral chamfering passivation of the raw material after cutting;
3) workpiece grinds: grind through the workpiece of the parallel oscillating mill in bedroom after to the chamfering passivation, said process of lapping is combined with abrasive medium, makes the Forming Workpiece profile smoothly not have rib, and said abrasive medium be the mixture of quartz, Tao Zhu and steel ball;
4) the U embryo extrudes: the surface of the work after will grinding carries out cold extrusion through descending hydraulic pressure stamping machine to workpiece after evenly spraying talcum powder, and making component shaping is U-shaped back cover opening mold base, and said cold extrusion process cooperates diel;
5) the U embryo is flat mouthful: through the openend chamfering passivation of the U-shaped back cover opening mold base workpiece of precision meter lathe after to cold-extrusion shaping;
6) chamber dividing plate annex is made: through the twin columns press machine that can incline chamber dividing plate annex is carried out punching out, said punching out process cooperates diel;
7) the hush pipe annex is made: through precision meter lathe the noise reduction pipe fittings is carried out processing and manufacturing;
8) annex is synthetic: the hush pipe annex through after the chamber dividing plate annex of riveter after to above-mentioned punching out and the processing is riveted, and said riveted joint process cooperates the riveting clamping mold;
9) the workpiece machine adds: carry out processing and manufacturing through the U-shaped back cover opening mold base workpiece of Digit Control Machine Tool after to above-mentioned chamfering passivation;
10) argon arc welding is synthetic: the U-shaped back cover opening mold base workpiece after adding through synthetic annex and the machine of argon arc welding welding machine after with above-mentioned riveted joint welds synthetic;
11) dressing burr: adopt scraper or smooth file to remove the unnecessary wlding of above-mentioned welding sintetics weld, and polished in the repair place with fine sandpaper;
12) airtight leak detection: carry out airtight leak test checking through the welding sintetics of airtight leak test device after to above-mentioned dressing burr, said airtight leak test device comprises airtight leak test platform, clamping, pressure air compressor machine and air accumulator;
13) cleaning, drying: clean and dry through supersonic wave cleaning machine and the baking oven sintetics after to above-mentioned airtight leak test checking; It is 80 ℃ ~ 90 ℃ the groove of heating that said supersonic wave cleaning machine is provided with operating temperature, is provided with the cleaning fluid of PH 2 ~ 3 in the said groove of heating; And
14) test package warehouse-in: product behind the above-mentioned cleaning, drying is carried out final inspection, inspected the back to qualified packing of product warehouse-in, packaging material are corrugation five ply paper bag or environmental protection package thing.
Beneficial effect of the present invention is: the appearance mirror picture is good, can not cause workpiece seriously to press, scratch, and need not to repair; The product specification shape can be handling extremely strong, the good physical and chemical properties of product; Throughput rate is high, and production cost is low: unit waste of raw materials rate≤5%, and solder flux, wlding are accurately located according to raw material, and yield rate is high; And automaticity height, energy-conserving and environment-protective, safe and reliable.
The specific embodiment
The described a kind of car air-conditioner muffler manufacturing approach of the embodiment of the invention may further comprise the steps:
1) blanking: raw material are cut through the aluminium automatic stock cutter;
2) flat mouthful of passivation: through precision meter lathe to the monolateral chamfering passivation of the raw material after cutting;
3) workpiece grinds: grind through the workpiece of the parallel oscillating mill in bedroom after to the chamfering passivation, said process of lapping is combined with the abrasive medium that mixes quartzy, Tao Zhu and steel ball, makes the Forming Workpiece profile smoothly not have rib;
4) the U embryo extrudes: the surface of the work after will grinding carries out cold extrusion through descending hydraulic pressure stamping machine to workpiece after evenly spraying talcum powder, and making component shaping is U-shaped back cover opening mold base, and said cold extrusion process cooperates diel;
5) the U embryo is flat mouthful: through the openend chamfering passivation of the U-shaped back cover opening mold base workpiece of precision meter lathe after to cold-extrusion shaping;
6) chamber dividing plate annex is made: through the twin columns press machine that can incline chamber dividing plate annex is carried out punching out, said punching out process cooperates diel;
7) the hush pipe annex is made: through precision meter lathe the noise reduction pipe fittings is carried out processing and manufacturing;
8) annex is synthetic: the hush pipe annex through after the chamber dividing plate annex of riveter after to above-mentioned punching out and the processing is riveted, and said riveted joint process cooperates the riveting clamping mold;
9) the workpiece machine adds: carry out processing and manufacturing through the U-shaped back cover opening mold base workpiece of Digit Control Machine Tool after to above-mentioned chamfering passivation;
10) argon arc welding is synthetic: the U-shaped back cover opening mold base workpiece after adding through synthetic annex and the machine of argon arc welding welding machine after with above-mentioned riveted joint welds synthetic;
11) dressing burr: adopt scraper or smooth file to remove the unnecessary wlding of above-mentioned welding sintetics weld, and polished in the repair place with fine sandpaper;
12) airtight leak detection: carry out airtight leak test checking through the welding sintetics of airtight leak test device after to above-mentioned modification burr, this airtight leak test device comprises airtight leak test platform, clamping, pressure air compressor machine and air accumulator;
13) cleaning, drying: clean and dry through supersonic wave cleaning machine and the baking oven sintetics after to above-mentioned airtight leak test checking; It is 80 ℃ ~ 90 ℃ the groove of heating that this supersonic wave cleaning machine is provided with operating temperature, is provided with the cleaning fluid of PH2 ~ 3 in the groove of heating; And
14) test package warehouse-in: product behind the above-mentioned cleaning, drying is carried out final inspection, inspected the back qualified products are adopted corrugation five ply paper bag or environmental protection package thing packing warehouse-in.
The inventive method is shaped through the machined of stock spare after adopting bar spare cold-extrusion shaping U mold base, and product size, process design considerations all can accurately be controlled; The appearance mirror picture good (≤0.8SSSS), can not cause workpiece seriously to press, scratch, need not to repair; Product specification shape can be handling extremely strong (only needing the design of an adjustment mould), the good physical and chemical properties of product (cold extrusion can not change the physicochemical property of metal material), its process all meets the designing requirement of product process; The throughput rate height (average 1PCS/10.5min, day work team's output>=2500pcs/8h), production cost low (unit waste of raw materials rate≤5%), yield rate high (solder flux, wlding are accurately located according to raw material, process PPM≤1000); Automaticity height, high-efficient energy-saving environment friendly, safe and reliable to operation.
Though below only described specific embodiment example of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite that does not deviate from principle of the present invention and essence, but these changes or modification all fall into protection scope of the present invention.
Claims (5)
1. a car air-conditioner muffler manufacturing approach is characterized in that, may further comprise the steps:
1) blanking: raw material are cut through the aluminium automatic stock cutter;
2) flat mouthful of passivation: through precision meter lathe to the monolateral chamfering passivation of the raw material after cutting;
3) workpiece grinds: grind through the workpiece of the parallel oscillating mill in bedroom after to the chamfering passivation, said process of lapping is combined with abrasive medium, makes the Forming Workpiece profile smoothly not have rib;
4) the U embryo extrudes: the surface of the work after will grinding carries out cold extrusion through descending hydraulic pressure stamping machine to workpiece after evenly spraying talcum powder, and making component shaping is U-shaped back cover opening mold base, and said cold extrusion process cooperates diel;
5) the U embryo is flat mouthful: through the openend chamfering passivation of the U-shaped back cover opening mold base workpiece of precision meter lathe after to cold-extrusion shaping;
6) chamber dividing plate annex is made: through the twin columns press machine that can incline chamber dividing plate annex is carried out punching out, said punching out process cooperates diel;
7) the hush pipe annex is made: through precision meter lathe the noise reduction pipe fittings is carried out processing and manufacturing;
8) annex is synthetic: the hush pipe annex through after the chamber dividing plate annex of riveter after to above-mentioned punching out and the processing is riveted, and said riveted joint process cooperates the riveting clamping mold;
9) the workpiece machine adds: carry out processing and manufacturing through the U-shaped back cover opening mold base workpiece of Digit Control Machine Tool after to above-mentioned chamfering passivation;
10) argon arc welding is synthetic: the U-shaped back cover opening mold base workpiece after adding through synthetic annex and the machine of argon arc welding welding machine after with above-mentioned riveted joint welds synthetic;
11) dressing burr: adopt scraper or smooth file to remove the unnecessary wlding of above-mentioned welding sintetics weld, and polished in the repair place with fine sandpaper;
12) airtight leak detection: carry out airtight leak test checking through the welding sintetics of airtight leak test device after to above-mentioned dressing burr;
13) cleaning, drying: clean and dry through supersonic wave cleaning machine and the baking oven sintetics after to above-mentioned airtight leak test checking; And
14) test package warehouse-in: product behind the above-mentioned cleaning, drying is carried out final inspection, inspected the back to qualified packing of product warehouse-in.
2. a kind of car air-conditioner muffler manufacturing approach according to claim 1 is characterized in that: in step 3), said abrasive medium is the mixture of quartz, Tao Zhu and steel ball.
3. a kind of car air-conditioner muffler manufacturing approach according to claim 1 and 2 is characterized in that: in step 12), said airtight leak test device comprises airtight leak test platform, clamping, pressure air compressor machine and air accumulator.
4. a kind of car air-conditioner muffler manufacturing approach according to claim 3 is characterized in that: in step 13), it is 80 ℃ ~ 90 ℃ the groove of heating that said supersonic wave cleaning machine is provided with operating temperature, is provided with the cleaning fluid of PH 2 ~ 3 in the said groove of heating.
5. a kind of car air-conditioner muffler manufacturing approach according to claim 4 is characterized in that: in step 14), packaging material are corrugation five ply paper bag or environmental protection package thing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210223171.1A CN102756239B (en) | 2012-07-02 | 2012-07-02 | Method for manufacturing silencers for automotive air conditioners |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210223171.1A CN102756239B (en) | 2012-07-02 | 2012-07-02 | Method for manufacturing silencers for automotive air conditioners |
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| CN102756239A true CN102756239A (en) | 2012-10-31 |
| CN102756239B CN102756239B (en) | 2015-07-08 |
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| CN201210223171.1A Active CN102756239B (en) | 2012-07-02 | 2012-07-02 | Method for manufacturing silencers for automotive air conditioners |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231208A (en) * | 2013-04-11 | 2013-08-07 | 浙江方宏空调设备有限公司 | Method for manufacturing cold extrusion billet prefabricated part of metal workpiece |
| CN103464986A (en) * | 2013-06-26 | 2013-12-25 | 龙泉市日盛汽车零部件有限公司 | Method for manufacturing automobile air conditioner silencer |
| CN105107938A (en) * | 2015-09-16 | 2015-12-02 | 广州市鸿镌金属制品有限公司 | Technique for producing convex hull product |
| CN115366611A (en) * | 2022-08-24 | 2022-11-22 | 浙江欧特立汽车空调有限公司 | Silencer for automobile air conditioner and production method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3811251A (en) * | 1971-08-25 | 1974-05-21 | S Gibel | Classifying muffler |
| CN2081888U (en) * | 1991-01-29 | 1991-07-31 | 赵水石 | Muffler for automobile motor |
| CN201284899Y (en) * | 2008-08-09 | 2009-08-05 | 高利 | Silencer for blast furnace gas pipe |
| DE102008060023A1 (en) * | 2008-12-02 | 2010-06-10 | Heinrich Gillet Gmbh | Method for producing silencers for motor vehicles |
| CN101920433A (en) * | 2010-05-12 | 2010-12-22 | 蒋爱臣 | Method for processing core component of energy-saving muffler of internal combustion engine |
-
2012
- 2012-07-02 CN CN201210223171.1A patent/CN102756239B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3811251A (en) * | 1971-08-25 | 1974-05-21 | S Gibel | Classifying muffler |
| CN2081888U (en) * | 1991-01-29 | 1991-07-31 | 赵水石 | Muffler for automobile motor |
| CN201284899Y (en) * | 2008-08-09 | 2009-08-05 | 高利 | Silencer for blast furnace gas pipe |
| DE102008060023A1 (en) * | 2008-12-02 | 2010-06-10 | Heinrich Gillet Gmbh | Method for producing silencers for motor vehicles |
| CN101920433A (en) * | 2010-05-12 | 2010-12-22 | 蒋爱臣 | Method for processing core component of energy-saving muffler of internal combustion engine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231208A (en) * | 2013-04-11 | 2013-08-07 | 浙江方宏空调设备有限公司 | Method for manufacturing cold extrusion billet prefabricated part of metal workpiece |
| CN103464986A (en) * | 2013-06-26 | 2013-12-25 | 龙泉市日盛汽车零部件有限公司 | Method for manufacturing automobile air conditioner silencer |
| CN103464986B (en) * | 2013-06-26 | 2016-04-20 | 龙泉市日盛汽车零部件有限公司 | A kind of method manufacturing automobile air conditioner silencer |
| CN105107938A (en) * | 2015-09-16 | 2015-12-02 | 广州市鸿镌金属制品有限公司 | Technique for producing convex hull product |
| CN115366611A (en) * | 2022-08-24 | 2022-11-22 | 浙江欧特立汽车空调有限公司 | Silencer for automobile air conditioner and production method thereof |
| CN115366611B (en) * | 2022-08-24 | 2023-03-21 | 浙江欧特立汽车空调有限公司 | Silencer for automobile air conditioner and production method thereof |
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| CN102756239B (en) | 2015-07-08 |
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Denomination of invention: A kind of manufacturing method of vehicle air conditioner muffler Effective date of registration: 20220829 Granted publication date: 20150708 Pledgee: Longquan Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG FANGHONG AIR CONDITIONING EQUIPMENT Co.,Ltd. Registration number: Y2022330001929 |