CN102756240B - A kind of single-cavity resonance formula car air-conditioner muffler manufacture method - Google Patents
A kind of single-cavity resonance formula car air-conditioner muffler manufacture method Download PDFInfo
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- CN102756240B CN102756240B CN201210223258.9A CN201210223258A CN102756240B CN 102756240 B CN102756240 B CN 102756240B CN 201210223258 A CN201210223258 A CN 201210223258A CN 102756240 B CN102756240 B CN 102756240B
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Abstract
The invention discloses a kind of single-cavity resonance formula car air-conditioner muffler manufacture method, comprise the following steps: 1) get the raw materials ready; 2) abate; 3) grind; 4) U embryo extrudes; 5) U embryo flat mouth; 6) reducing process; 7) workpiece machine adds; 8) dressing burr; 9) cleaning, drying; And 10) quality inspection, packaging warehouse-in: final inspection is carried out to product after above-mentioned cleaning, drying, and the qualified packing of product is put in storage.Beneficial effect of the present invention is: appearance mirror picture is good, and surface of the work can not be caused seriously to weigh wounded, scratch, without the need to repairing; Good physical and chemical properties, product specification shape can be handling extremely strong; Throughput rate is high, and production cost is low, and yield rate is high; And automaticity is high, safe and reliable to operation.
Description
Technical field
The invention belongs to automobile manufacturing field, particularly relate to a kind of single-cavity resonance formula car air-conditioner muffler manufacture method.
Background technology
After the manufacture method of existing single-cavity resonance formula car air-conditioner muffler mainly adopts and waters mold base hinge sky, longitudinal pit spreading method (adding aperture size guard column in cavity) the formed product pipe end size of mouth end, be shaped by flat mouth fraising finishing afterwards, except product height (or length) size is controlled, all the other Process Design key elements are all uncontrollable, needed for spreading method, clamping high strength clamping work pieces, causes surface of the work seriously to weigh wounded, scratches, and cannot repair; Face is dull, is almost unified flat square, cannot meets the appearance design requirement of product; Throughput rate low (average 1PCS/100min, day work team output≤300pcs/8h), production cost high [unit cost waste of raw materials rate >=800%(waters mold base large volume Jiao Kongcheng inner cavity chamber)]; And percent defective high (process PPM >=15000), serious waste of resources.
Summary of the invention
The object of this invention is to provide a kind of single-cavity resonance formula car air-conditioner muffler manufacture method, adopt the U-shaped mold base of bar member cold-extrusion shaping, through stock part pipe end shrink mouth formed product size, overcome currently available technology above shortcomings.
The object of the invention is to be achieved through the following technical solutions:
A kind of single-cavity resonance formula car air-conditioner muffler manufacture method, comprises the following steps:
1) get the raw materials ready: by aluminium automatic stock cutter, process is cut to raw material;
2) abate: abate process is carried out by precision meter lathe in the raw-material two ends after cutting;
3) grind: mix talcum powder after the workpiece after abate is carried out milled processed by horizontal parallel oscillating mill, described process of lapping is combined with abrasive medium, makes Forming Workpiece surface smoothing without rib; Described talcum powder process of mixing is combined with the talcum powder medium quantized through ratio, makes the level and smooth demoulding of post forming workpiece;
4) U embryo extrudes: the workpiece after grinding is carried out cold extrusion by descending hydraulic forging press, makes the profile of workpiece U-shaped back cover opening mold base structure, and described Cold Extrusion Process coordinates mold for extruding and forming;
5) U embryo flat mouth: the workpiece openings end after cold-extrusion shaping is carried out abate process by precision meter lathe;
6) reducing process: the U-shaped back cover opening mold base after abate is carried out reducing process by automatic hydraulic necking machine;
7) workpiece machine adds: by the workpiece after reducing process by Digit Control Machine Tool respectively to U embryo end and necking end processing and manufacturing;
8) dressing burr: adopt auxiliary cutlery to remove above-mentioned machine and add unnecessary burr, the acute angle at product interface (aperture) edge and inner chamber is residual cuts overlap, and with the blending of fine grinding sand is oily, polished in repair place;
9) cleaning, drying: by the product after dressing burr by supersonic wave cleaning machine wipe oil, impurity, carry out drying and processing by baking oven after cleaning; And
10) quality inspection, packaging warehouse-in: the product after above-mentioned cleaning, drying is carried out final inspection, and to the packing of product warehouse-in be up to the standards.
Preferably, in step 3), described abrasive medium is the mixture of quartz, Tao Zhu and steel ball.
Preferably, in step 9), the ultrasonic wave that described supersonic wave cleaning machine is launched, is provided with device security frequency: 28 ~ 32 hertz; Described supersonic wave cleaning machine is provided with the groove of heating that operating temperature is 80 DEG C ~ 90 DEG C, described in heat and be provided with the light-alloy grease removal cleaning fluid of the mixed allotment of pH 2 ~ 3 in groove.
Preferably, in step 10), packaging material are environmental protection package thing.
Beneficial effect of the present invention is: appearance mirror picture is good, and surface of the work can not be caused seriously to weigh wounded, scratch, without the need to repairing; Good physical and chemical properties, product specification shape can be handling extremely strong; Throughput rate is high, and production cost is low, and yield rate is high; And automaticity is high, safe and reliable to operation.
Detailed description of the invention
A kind of single-cavity resonance formula car air-conditioner muffler manufacture method described in the embodiment of the present invention 1, is specially U-shaped mold base necking forming method, comprises the following steps:
1) get the raw materials ready: by aluminium automatic stock cutter, process is cut to raw material;
2) abate: abate process is carried out by precision meter lathe in the raw-material two ends after cutting;
3) grind: mix talcum powder after the workpiece after abate is carried out milled processed by horizontal parallel oscillating mill, described process of lapping is combined with the abrasive medium of quartz, Tao Zhu and steel ball mixing, makes Forming Workpiece surface smoothing without rib; Described talcum powder process of mixing is combined with the talcum powder medium quantized through ratio, makes the level and smooth demoulding of post forming workpiece;
4) U embryo extrudes: the workpiece after grinding is carried out cold extrusion by descending hydraulic forging press, makes the profile of workpiece U-shaped back cover opening mold base structure, and described Cold Extrusion Process coordinates mold for extruding and forming;
5) U embryo flat mouth: the workpiece openings end after cold-extrusion shaping is carried out abate process by precision meter lathe;
6) reducing process: the U-shaped back cover opening mold base after abate is carried out reducing process by automatic hydraulic necking machine;
7) workpiece machine adds: by the workpiece after reducing process by Digit Control Machine Tool respectively to U embryo end and necking end processing and manufacturing;
8) dressing burr: adopt auxiliary cutlery to remove above-mentioned machine and add unnecessary burr, the acute angle at product interface (aperture) edge and inner chamber is residual cuts overlap, and with the blending of fine grinding sand is oily, polished in repair place;
9) cleaning, drying: by the product after dressing burr by supersonic wave cleaning machine wipe oil, impurity, carry out drying and processing by baking oven after cleaning; The ultrasonic wave that supersonic wave cleaning machine is launched, is provided with device security frequency: 28 ~ 32 hertz; Supersonic wave cleaning machine is provided with the groove of heating that operating temperature is 80 DEG C ~ 90 DEG C, is provided with the cleaning fluid of PH 2 ~ 3 in groove of heating; And
10) quality inspection, packaging warehouse-in: the product after above-mentioned cleaning, drying is carried out final inspection, and to the packing of product warehouse-in be up to the standards, packaging material are environmental protection package thing.
A kind of single-cavity resonance formula car air-conditioner muffler manufacture method described in the embodiment of the present invention 2, is specially circular pipe end necking forming method, comprises the following steps:
1) get the raw materials ready: by aluminium automatic stock cutter, process is cut to raw material;
2) abate: abate process is carried out by precision meter lathe in the raw-material two ends after cutting;
3) reducing process: reducing process is carried out by automatic hydraulic necking machine in the workpiece two ends after abate;
4) workpiece machine adds: by the workpiece after reducing process by Digit Control Machine Tool to its processing and manufacturing;
5) dressing burr: adopt auxiliary cutlery to remove above-mentioned machine and add unnecessary burr, the acute angle at product interface (aperture) edge and inner chamber is residual cuts overlap, and with the blending of fine grinding sand is oily, polished in repair place;
6) cleaning, drying: by the product after dressing burr by supersonic wave cleaning machine wipe oil, impurity, carry out drying and processing by baking oven after cleaning, the ultrasonic wave that supersonic wave cleaning machine is launched, is provided with device security frequency: 28 ~ 32 hertz; Supersonic wave cleaning machine is provided with the groove of heating that operating temperature is 80 DEG C ~ 90 DEG C, is provided with the cleaning fluid of PH 2 ~ 3 in groove of heating; And
7) quality inspection, packaging warehouse-in: the product after above-mentioned cleaning, drying is carried out final inspection, and to the packing of product warehouse-in be up to the standards, packaging material are environmental protection package thing.
The inventive method adopts the U-shaped mold base of bar member cold-extrusion shaping, and be shaped through stock part pipe end shrink mouth, Process Design key element can accurately control; Appearance mirror picture good (≤0.8SSSS), reducing die and pipe port run parallel, and workpiece, without the need to high strength clamping clamping, therefore can not cause workpiece seriously to weigh wounded, scratch, without the need to repairing; Product specification shape can handling extremely strong (only need adjust necking die design), good physical and chemical properties (cold extrusion can not change the physicochemical property of metal material), and its process all meets product process designing requirement; Throughput rate high (average 1PCS/13.5min, day work team output >=2000pcs/8h), production cost low (unit waste of raw materials rate≤10%), yield rate high (process PPM≤1000); Automaticity is high, safe and reliable to operation.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection scope of the present invention.
Claims (4)
1. a single-cavity resonance formula car air-conditioner muffler manufacture method, is characterized in that: comprise the following steps:
1) get the raw materials ready: by aluminium automatic stock cutter, process is cut to raw material;
2) abate: abate process is carried out by precision meter lathe in the raw-material two ends after cutting;
3) grind: mix talcum powder after the workpiece after abate is carried out milled processed by horizontal parallel oscillating mill, described process of lapping is combined with abrasive medium, makes Forming Workpiece surface smoothing without rib; Described talcum powder process of mixing is combined with the talcum powder medium quantized through ratio, makes the level and smooth demoulding of post forming workpiece;
4) U embryo extrudes: the workpiece after grinding is carried out cold extrusion by descending hydraulic forging press, makes the profile of workpiece U-shaped back cover opening mold base structure, and described Cold Extrusion Process coordinates mold for extruding and forming;
5) U embryo flat mouth: the workpiece openings end after cold-extrusion shaping is carried out abate process by precision meter lathe;
6) reducing process: the U-shaped back cover opening mold base after abate is carried out reducing process by automatic hydraulic necking machine;
7) workpiece machine adds: by the workpiece after reducing process by Digit Control Machine Tool respectively to U embryo end and necking end processing and manufacturing;
8) dressing burr: adopt auxiliary cutlery to remove above-mentioned machine and add unnecessary burr, the acute angle of product egress edge and inner chamber is residual cuts overlap, and with the blending of fine grinding sand is oily, polished in repair place;
9) cleaning, drying: by the product after dressing burr by supersonic wave cleaning machine wipe oil, impurity, carry out drying and processing by baking oven after cleaning; And
10) quality inspection, packaging warehouse-in: the product after above-mentioned cleaning, drying is carried out final inspection, and to the packing of product warehouse-in be up to the standards.
2. a kind of single-cavity resonance formula car air-conditioner muffler manufacture method according to claim 1, is characterized in that: in step 3), and described abrasive medium is the mixture of quartz, Tao Zhu and steel ball.
3. a kind of single-cavity resonance formula car air-conditioner muffler manufacture method according to claim 1 and 2, is characterized in that: in step 9), the ultrasonic wave that described supersonic wave cleaning machine is launched, and is provided with device security frequency: 28 ~ 32 hertz; Described supersonic wave cleaning machine is provided with the groove of heating that operating temperature is 80 DEG C ~ 90 DEG C, described in heat and be provided with the light-alloy grease removal cleaning fluid of the mixed allotment of pH 2 ~ 3 in groove.
4. a kind of single-cavity resonance formula car air-conditioner muffler manufacture method according to claim 3, it is characterized in that: in step 10), packaging material are environmental protection package thing.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103071981A (en) * | 2013-01-29 | 2013-05-01 | 浙江方宏空调设备有限公司 | Manufacturing method for tube wall convex pore diameter of metal tube |
| 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 |
| 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 |
| CN104690503B (en) * | 2015-01-28 | 2017-02-22 | 苏州市天星山精密模具有限公司 | Cast iron mould worktable processing method |
| CN113369323B (en) * | 2021-05-26 | 2023-08-01 | 浙江方宏空调设备有限公司 | Semi-solid hot-press molding equipment for silencer of automobile air conditioner |
| 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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| CN102338257A (en) * | 2010-07-28 | 2012-02-01 | 新昌县铁牛金属制造有限公司 | Stainless steel muffler and manufacturing process thereof |
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| CN102494396A (en) * | 2011-12-30 | 2012-06-13 | 胡德林 | Air-conditioning muffler and manufacturing method thereof |
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| KR100630598B1 (en) * | 2005-07-29 | 2006-10-02 | (주)휘일 | Method for manufacturing of muffler for air conditioner in vehicle |
| KR20080010849A (en) * | 2006-07-28 | 2008-01-31 | 기아자동차주식회사 | A manufacturing method of air-conditioner muffler |
| KR100825263B1 (en) * | 2007-01-17 | 2008-04-25 | 주식회사 평산 | Muffler for air-con compressor |
| KR20090092918A (en) * | 2008-02-28 | 2009-09-02 | 송종호 | Method of making muffler |
| JP2010085064A (en) * | 2008-10-02 | 2010-04-15 | Panasonic Corp | Manufacturing method of mechanical device, and refrigerating cycle device manufactured by the method |
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| CN1685135A (en) * | 2002-09-30 | 2005-10-19 | 富尔西亚排气系统公司 | Exhaust line catalyst or muffler shell for motor vehicle and method of producing one such shell |
| CN102338257A (en) * | 2010-07-28 | 2012-02-01 | 新昌县铁牛金属制造有限公司 | Stainless steel muffler and manufacturing process thereof |
| CN202254196U (en) * | 2011-07-27 | 2012-05-30 | 浙江方宏空调设备有限公司 | Vehicle air conditioning pipeline pressure silencer |
| CN102494396A (en) * | 2011-12-30 | 2012-06-13 | 胡德林 | Air-conditioning muffler and manufacturing method thereof |
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Denomination of invention: Manufacturing method of single cavity resonance type vehicle air conditioner muffler Effective date of registration: 20220829 Granted publication date: 20150826 Pledgee: Longquan Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG FANGHONG AIR CONDITIONING EQUIPMENT Co.,Ltd. Registration number: Y2022330001929 |