CN106288622B - A kind of refrigerator foam manufacture method - Google Patents
A kind of refrigerator foam manufacture method Download PDFInfo
- Publication number
- CN106288622B CN106288622B CN201610633130.8A CN201610633130A CN106288622B CN 106288622 B CN106288622 B CN 106288622B CN 201610633130 A CN201610633130 A CN 201610633130A CN 106288622 B CN106288622 B CN 106288622B
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- door
- afterwards
- foaming
- refrigerator
- pressure
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- 239000006260 foam Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 68
- 238000005187 foaming Methods 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000003673 groundwater Substances 0.000 claims abstract description 6
- 238000007689 inspection Methods 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 20
- 229910000679 solder Inorganic materials 0.000 claims description 20
- 238000005057 refrigeration Methods 0.000 claims description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 238000005476 soldering Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 238000007493 shaping process Methods 0.000 claims description 15
- 229910052709 silver Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 11
- 239000004332 silver Substances 0.000 claims description 11
- 239000002390 adhesive tape Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000002372 labelling Methods 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 claims description 5
- 239000006261 foam material Substances 0.000 claims description 5
- 235000012055 fruits and vegetables Nutrition 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 230000009257 reactivity Effects 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 238000005491 wire drawing Methods 0.000 claims description 5
- 238000001192 hot extrusion Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims 1
- 238000007710 freezing Methods 0.000 claims 1
- 230000008014 freezing Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 7
- 238000012856 packing Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/062—Walls defining a cabinet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes, wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/302—Cu as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/762—Household appliances
- B29L2031/7622—Refrigerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/02—Details of doors or covers not otherwise covered
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Refrigerator Housings (AREA)
Abstract
The present invention provides a kind of refrigerator foam manufacture method, comprises the following steps：(1) side plate metal plate section：(2) section is pre-installed：(3) casing, door foaming section：Foaming machine main power switch is opened during the foam box, unclamps scram button, by reset key, then starts hydraulic station, handpiece Water Chilling Units equipment successively, rotation is black, expects filter in vain, opens the 500g of Valved discharge 300 material, 2 times a day；Clear rifle, circulation is played, select " no material " position, cleared up using DOP, lubricate pipette tips 23 times, select " circulation " position, start black and white material pump, carry out cycle of higher pressure, adjustment material pressure, now material temperature can raise, the 15min of cycle of higher pressure 10, survey the qualified rear progress foam production of rifle sample；Respectively to door body is weighed before foaming, after foaming, check whether actual groundwater increment meets technological requirement, entity bubble averag density 31.5 32kg/m3Meet to be allowed for access after technological requirement and positive produce production, (4) general assembly section：(5) section is packed.Process step design of the present invention rationally, layout it is clear, and each station technological design is reasonable, significantly too high overall order, while improves processing efficiency.
Description
Technical field
The present invention relates to refrigeration plant manufacturing technology field, specially a kind of refrigerator foam manufacture method.
Background technology
With the quickening and growth in the living standard of people's rhythm of life, refrigerator is increasingly becoming in people's daily life,
Indispensable household appliances.Refrigerator mainly includes part processing, assembly, general assembly, overall performance test, bag in production process
The flow such as fill, dispatch from the factory, wherein refrigerator general assembly is the process for complete machine by casing, door body, circuit system, refrigeration system assembling.It is existing
There is in technology the problem of process step design is more chaotic in refrigerator assembling process, influences production efficiency.Moreover, casing is in transportation
In the quality problems such as collide with also often occur.
Meanwhile refrigerator, refrigerator-freezer foaming generally refer to hard polyurethane foam, foam between outcase of refrigerator and liner, by
After isocyanates (being commonly called as black material), combined polyether (being commonly called as white material) foamed machine mixing head high pressure mixing, inject Die Box or
Reacted in door body cavity, and release heat, the foaming agent heat gasification in raw material, formation microbubble, micro-bubble growth, expansion,
Cavity full of casing OR gate body, it is formed by curing hard polyaminoester closed-cell foam.The performance and production technology of foam determine ice
The quality of case, refrigerator-freezer performance.
The content of the invention
Technical problem solved by the invention is to provide a kind of refrigerator foam manufacture method, to solve above-mentioned background
The problem of in technology.
Technical problem solved by the invention is realized using following technical scheme：A kind of refrigerator foam manufacturer
Method, comprise the following steps：
(1) side plate metal plate section：Side plate is made using steel plate raw material, steel plate feeding is punched first, overturns rolling afterwards, is beaten
Z-type structure, U-shape structure is converted into after side plate condenser pastes automatically afterwards；
(2) section is pre-installed：Will by hinge, screw, strengthen ferropexy on side plate, by refrigeration evaporator, case courage dew removing tube,
Case courage encloses cotton in case courage, at the same time by heater strip, temperature-sensing sleeve installation sealing, the wire harness of case courage is installed and fixed,
Together with case courage is fixed on side plate afterwards, calibrating tank position, pastes blue adhesive tape constant mark, then dew removing tube is whole afterwards
Shape, swash plate are fixed, the sealing of draining tube leakage mouth, left cold and power supply linear sealing, are installed backboard after pipeline shaping and then passed through casing
Foaming；
(3) casing, door foaming section：Foam box, casing is put into foaming workshop and carries out matched moulds, material feeding, foaming is completed
Afterwards outlet reach the standard grade, tear tape, will refrigeration dividing plate, buckle, roller, magnetic valve, compressor bottom board, lower hinge are fixed on casing
It is interior, case cleaning cabin foam material, cleaning refrigerator are found afterwards, and casing inspection is carried out after then fixing 905 drawer guideways；Door foaming,
By door shell and door liner assembling processing the Later Zhou Dynasty, one of the Five Dynasties go to foaming line, put after die sinking door shell, dress door liner after complete material feeding, after the completion of material feeding
Matched moulds is carried out, is molded after shaping and takes door, door body limited block is filled on chamber door, door seal is filled afterwards, carries out door body inspection, be standby；Institute
Foaming machine main power switch is opened when stating foam box, unclamps scram button, by reset key, then starts hydraulic station, cold water successively
Unit equipment, rotation is black, expects filter in vain, opens Valved discharge 300-500g material, 2 times a day；Clear rifle, circulation is played, select " nothing
Material " position, is cleared up using DOP, lubricates pipette tips 2-3 times, selects " circulation " position, starts black and white material pump, carries out cycle of higher pressure, adjustment material
Pressure, now material temperature can raise, cycle of higher pressure 10-15min, survey the qualified rear progress foam production of rifle sample；Respectively to before foaming, foaming
Door body is weighed afterwards, checks whether actual groundwater increment meets technological requirement, entity bubble averag density 31.5-32kg/m3Meet technique
Positive generation of being allowed for access after it is required that is produced, 18-22 DEG C of material temperature, 35-55 DEG C of mold temperature, and steel plate door shell foams after need to heating,
During foaming, casing 35-55 DEG C of drying tunnel temperature of preheating；, tank body pressure 2-4bar, material feeding pressure 100-150bar are black, expect material feeding in vain
Pressure differential is less than 10bar, black and white material mass ratio 1.2-1.3:1；Sample reactivity：Wire drawing time 50-60s, do not glue time 80-
90s, density 22.5-23kg/m3；Pipette tips flow：Straight line 1400-1500g/s, ground loop wire 900-1000g/s；Curing time
700s-900s；
(4) general assembly section：Temperature control, prepackage compressor annex, installation compressor are installed on casing, it is pre- after temperature controlling box is fixed
Refrigerating evaporator is filled, will freeze evaporator after the completion of prepackage refrigerating evaporator is welded and fixed, and afterwards pacifies door of refrigerator by middle hinge
Dress fix, then by upper hinge by cold sotrage door install fix, tear blue adhesive tape, overlay film, cleaning refrigerator, then mounting knob seat,
Glass shelf, now carries out outward appearance and casing is examined, and is reprocessed immediately Ru undesirable, power supply is carried out when installing compressor
Line is adapted to, afterwards dead earth line, power line, then installs compressor relay cover, is carried out pipe arrangement afterwards, is blown dirt, by low
Silver soldering is connect, high silver-colored soldering welding device for drying and filtering, and solder joint cleaning, pipeline shaping are carried out after the completion of welding；Then taken out
Vacuum, snap joint, attaching water pond are pulled out, carry out cooling medium charging sealing afterwards, hunted leak finally by low pressure, the inspection of safety check and high pressure
Leakage；
(5) section is packed：By after the completion of general assembly refrigerator carry out commodity inspection test, after the completion of paste circuit diagram, nameplate, bar code,
Door handle lid is filled, then fixed fruit and vegetable box is installed, place specification, annex, is carried out eventually after pasting efficiency, refined copper pipe labeling afterwards
Inspection, door body protection foam, set inner bag are put after inspection is qualified eventually, set carton, puts protection angle brace, dividing plate, top cover, last joint sealing, packing
Machine is packed.
Solder joint mopping, patch pay attention to labeling during the dress door handle lid, then fix back cover, power line.
Opened during the cooling medium charging and charge the valve of refrigerant equipment, to adding 30-60g refrigerants in refrigeration system,
Restart compressor after it circulates 1-5min in refrigeration systems.
The low silver-colored solder is silver solder, silver wire, silver soldering piece, silver soldering ring, one kind in silver soldering powder solder flux.
The silver-colored solder preparation method of height is that will first contain 5% Sn, 5% P, 1% Ni, 2% Ag, 87%
Cu uniform mixed preparing alloy raw material is standby at normal temperatures, then 1000~1200 DEG C, the vacuum less than 10Pa, vacuum
Induction melting, casting ingot in induction heater；Then use hot extrusion molding method, at a temperature of 450~550 DEG C, will close
Diameter 1~4mm bars are made in golden ingot casting.
The nitrogen progress low-pressure section that the low pressure leak detection is filled with 04~08MPa pressure from threeway service valve is stopped leakage in the roof.
High pressure leak detection from the company of device for drying and filtering and capillary it is disrespectful from pipeline separated, it is and two separated pipes are respective
Shut, muffler is removed from compressor, and the mouth of pipe that tracheae is taken back on compressor is blocked, three connect from process duct
10~12MPa nitrogen is filled on logical service valve, high-pressure section is hunted leak.
Compared with disclosed technology, there is advantages below in the present invention：Process step design of the present invention is reasonable, layout is clear, and
Each station technological design is reasonable, significantly too high overall order, while improves processing efficiency.
Brief description of the drawings
Fig. 1 is the overall flow figure of the present invention.
Fig. 2 is the side plate metal plate section flow chart of the present invention.
Fig. 3 is the prepackage section flow chart of the present invention.
Fig. 4 is the foam box section flow chart of the present invention.
Fig. 5 is the door foaming section flow chart of the present invention.
Fig. 6 is the general assembly section flow chart of the present invention.
Fig. 7 is the packaging section flow chart of the present invention.
Embodiment
In order that technological means, creation characteristic, workflow, application method reached purpose and effect of the present invention are easy to bright
It is white to understand, below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of refrigerator foam manufacture method, comprises the following steps：
(1) side plate metal plate section：Side plate is made using steel plate raw material, steel plate feeding is punched first, overturns rolling afterwards, is beaten
Z-type structure, U-shape structure is converted into after side plate condenser pastes automatically afterwards；
(2) section is pre-installed：Will by hinge, screw, strengthen ferropexy on side plate, by refrigeration evaporator, case courage dew removing tube,
Case courage encloses cotton in case courage, at the same time by heater strip, temperature-sensing sleeve installation sealing, the wire harness of case courage is installed and fixed,
Together with case courage is fixed on side plate afterwards, calibrating tank position, pastes blue adhesive tape constant mark, then dew removing tube is whole afterwards
Shape, swash plate are fixed, the sealing of draining tube leakage mouth, left cold and power supply linear sealing, are installed backboard after pipeline shaping and then passed through casing
Foaming；
(3) casing, door foaming section：Foam box, casing is put into foaming workshop and carries out matched moulds, material feeding, foaming is completed
Afterwards outlet reach the standard grade, tear tape, will refrigeration dividing plate, buckle, roller, magnetic valve, compressor bottom board, lower hinge are fixed on casing
It is interior, case cleaning cabin foam material, cleaning refrigerator are found afterwards, and casing inspection is carried out after then fixing 905 drawer guideways；Door foaming,
By door shell and door liner assembling processing the Later Zhou Dynasty, one of the Five Dynasties go to foaming line, put after die sinking door shell, dress door liner after complete material feeding, after the completion of material feeding
Matched moulds is carried out, is molded after shaping and takes door, door body limited block is filled on chamber door, door seal is filled afterwards, carries out door body inspection, be standby；Institute
Foaming machine main power switch is opened when stating foam box, unclamps scram button, by reset key, then starts hydraulic station, cold water successively
Unit equipment, rotation is black, expects filter in vain, opens Valved discharge 300-500g material, 2 times a day；Clear rifle, circulation is played, select " nothing
Material " position, is cleared up using DOP, lubricates pipette tips 2-3 times, selects " circulation " position, starts black and white material pump, carries out cycle of higher pressure, adjustment material
Pressure, now material temperature can raise, cycle of higher pressure 10-15min, survey the qualified rear progress foam production of rifle sample；Respectively to before foaming, foaming
Door body is weighed afterwards, checks whether actual groundwater increment meets technological requirement, entity bubble averag density 31.5-32kg/m3Meet technique
Positive generation of being allowed for access after it is required that is produced, 18-22 DEG C of material temperature, 35-55 DEG C of mold temperature, and steel plate door shell foams after need to heating,
During foaming, casing 35-55 DEG C of drying tunnel temperature of preheating；, tank body pressure 2-4bar, material feeding pressure 100-150bar are black, expect material feeding in vain
Pressure differential is less than 10bar, black and white material mass ratio 1.2-1.3:1；Sample reactivity：Wire drawing time 50-60s, do not glue time 80-
90s, density 22.5-23kg/m3；Pipette tips flow：Straight line 1400-1500g/s, ground loop wire 900-1000g/s；Curing time
700s-900s；
(4) general assembly section：Temperature control, prepackage compressor annex, installation compressor are installed on casing, it is pre- after temperature controlling box is fixed
Refrigerating evaporator is filled, will freeze evaporator after the completion of prepackage refrigerating evaporator is welded and fixed, and afterwards pacifies door of refrigerator by middle hinge
Dress fix, then by upper hinge by cold sotrage door install fix, tear blue adhesive tape, overlay film, cleaning refrigerator, then mounting knob seat,
Glass shelf, now carries out outward appearance and casing is examined, and is reprocessed immediately Ru undesirable, power supply is carried out when installing compressor
Line is adapted to, afterwards dead earth line, power line, then installs compressor relay cover, is carried out pipe arrangement afterwards, is blown dirt, by low
Silver soldering connects, high silver-colored soldering welding device for drying and filtering, and the low silver-colored solder is silver solder, the silver-colored solder system of height
Preparation Method is first by uniform mixed preparing is closed at normal temperatures containing 5% Sn, 5% P, 1% Ni, 2% Ag, 87% Cu
Golden raw material for standby, then induction melting, casting in 1000~1200 DEG C, the vacuum less than 10Pa, vacuum induction heating furnace
Ingot；Then hot extrusion molding method is used, at a temperature of 450~550 DEG C, diameter 1~4mm bars are made in alloy cast ingot,
Solder joint cleaning, pipeline shaping are carried out after the completion of welding；Then vacuumized, pull out snap joint, attaching water pond, carried out afterwards cold
Matchmaker irrigates sealing, is hunted leak finally by low pressure, the leak detection of safety check and high pressure；
(5) section is packed：By after the completion of general assembly refrigerator carry out commodity inspection test, after the completion of paste circuit diagram, nameplate, bar code,
Door handle lid is filled, then fixed fruit and vegetable box is installed, place specification, annex, is carried out eventually after pasting efficiency, refined copper pipe labeling afterwards
Inspection, door body protection foam, set inner bag are put after inspection is qualified eventually, set carton, puts protection angle brace, dividing plate, top cover, last joint sealing, packing
Machine is packed.
Embodiment 2
A kind of refrigerator foam manufacture method, comprises the following steps：
(1) side plate metal plate section：Side plate is made using steel plate raw material, steel plate feeding is punched first, overturns rolling afterwards, is beaten
Z-type structure, U-shape structure is converted into after side plate condenser pastes automatically afterwards；
(2) section is pre-installed：Will by hinge, screw, strengthen ferropexy on side plate, by refrigeration evaporator, case courage dew removing tube,
Case courage encloses cotton in case courage, at the same time by heater strip, temperature-sensing sleeve installation sealing, the wire harness of case courage is installed and fixed,
Together with case courage is fixed on side plate afterwards, calibrating tank position, pastes blue adhesive tape constant mark, then dew removing tube is whole afterwards
Shape, swash plate are fixed, the sealing of draining tube leakage mouth, left cold and power supply linear sealing, are installed backboard after pipeline shaping and then passed through casing
Foaming；
(3) casing, door foaming section：Foam box, casing is put into foaming workshop and carries out matched moulds, material feeding, foaming is completed
Afterwards outlet reach the standard grade, tear tape, will refrigeration dividing plate, buckle, roller, magnetic valve, compressor bottom board, lower hinge are fixed on casing
It is interior, case cleaning cabin foam material, cleaning refrigerator are found afterwards, and casing inspection is carried out after then fixing 905 drawer guideways；Door foaming,
By door shell and door liner assembling processing the Later Zhou Dynasty, one of the Five Dynasties go to foaming line, put after die sinking door shell, dress door liner after complete material feeding, after the completion of material feeding
Matched moulds is carried out, is molded after shaping and takes door, door body limited block is filled on chamber door, door seal is filled afterwards, carries out door body inspection, be standby；Institute
Foaming machine main power switch is opened when stating foam box, unclamps scram button, by reset key, then starts hydraulic station, cold water successively
Unit equipment, rotation is black, expects filter in vain, opens Valved discharge 300-500g material, 2 times a day；Clear rifle, circulation is played, select " nothing
Material " position, is cleared up using DOP, lubricates pipette tips 2-3 times, selects " circulation " position, starts black and white material pump, carries out cycle of higher pressure, adjustment material
Pressure, now material temperature can raise, cycle of higher pressure 10-15min, survey the qualified rear progress foam production of rifle sample；Respectively to before foaming, foaming
Door body is weighed afterwards, checks whether actual groundwater increment meets technological requirement, entity bubble averag density 31.5-32kg/m3Meet technique
Positive generation of being allowed for access after it is required that is produced, 18-22 DEG C of material temperature, 35-55 DEG C of mold temperature, and steel plate door shell foams after need to heating,
During foaming, casing 35-55 DEG C of drying tunnel temperature of preheating；, tank body pressure 2-4bar, material feeding pressure 100-150bar are black, expect material feeding in vain
Pressure differential is less than 10bar, black and white material mass ratio 1.2-1.3:1；Sample reactivity：Wire drawing time 50-60s, do not glue time 80-
90s, density 22.5-23kg/m3；Pipette tips flow：Straight line 1400-1500g/s, ground loop wire 900-1000g/s；Curing time
700s-900s；
(4) general assembly section：Temperature control, prepackage compressor annex, installation compressor are installed on casing, it is pre- after temperature controlling box is fixed
Refrigerating evaporator is filled, will freeze evaporator after the completion of prepackage refrigerating evaporator is welded and fixed, and afterwards pacifies door of refrigerator by middle hinge
Dress fix, then by upper hinge by cold sotrage door install fix, tear blue adhesive tape, overlay film, cleaning refrigerator, then mounting knob seat,
Glass shelf, now carries out outward appearance and casing is examined, and is reprocessed immediately Ru undesirable, power supply is carried out when installing compressor
Line is adapted to, afterwards dead earth line, power line, then installs compressor relay cover, is carried out pipe arrangement afterwards, is blown dirt, by low
Silver soldering is connect, high silver-colored soldering welding device for drying and filtering, and solder joint cleaning, pipeline shaping are carried out after the completion of welding；Then taken out
Vacuum, snap joint, attaching water pond are pulled out, carry out cooling medium charging sealing afterwards, hunted leak finally by low pressure, the inspection of safety check and high pressure
Leakage；The nitrogen progress low-pressure section that the low pressure leak detection is filled with 04~08MPa pressure from threeway service valve is stopped leakage in the roof；The high pressure inspection
Leak from the company of device for drying and filtering and capillary it is disrespectful from pipeline separated, and two separated pipes are each shut, muffler from pressure
Removed on contracting machine, and the mouth of pipe that tracheae is taken back on compressor is blocked, 10 are filled on the threeway service valve connect from process duct
~12MPa nitrogen, hunts leak to high-pressure section.
(5) section is packed：By after the completion of general assembly refrigerator carry out commodity inspection test, after the completion of paste circuit diagram, nameplate, bar code,
Door handle lid is filled, then fixed fruit and vegetable box is installed, place specification, annex, is carried out eventually after pasting efficiency, refined copper pipe labeling afterwards
Inspection, door body protection foam, set inner bag are put after inspection is qualified eventually, set carton, puts protection angle brace, dividing plate, top cover, last joint sealing, packing
Machine is packed.
Embodiment 3
A kind of refrigerator foam manufacture method, comprises the following steps：
(1) side plate metal plate section：Side plate is made using steel plate raw material, steel plate feeding is punched first, overturns rolling afterwards, is beaten
Z-type structure, U-shape structure is converted into after side plate condenser pastes automatically afterwards；
(2) section is pre-installed：Will by hinge, screw, strengthen ferropexy on side plate, by refrigeration evaporator, case courage dew removing tube,
Case courage encloses cotton in case courage, at the same time by heater strip, temperature-sensing sleeve installation sealing, the wire harness of case courage is installed and fixed,
Together with case courage is fixed on side plate afterwards, calibrating tank position, pastes blue adhesive tape constant mark, then dew removing tube is whole afterwards
Shape, swash plate are fixed, the sealing of draining tube leakage mouth, left cold and power supply linear sealing, are installed backboard after pipeline shaping and then passed through casing
Foaming；
(3) casing, door foaming section：Foam box, casing is put into foaming workshop and carries out matched moulds, material feeding, foaming is completed
Afterwards outlet reach the standard grade, tear tape, will refrigeration dividing plate, buckle, roller, magnetic valve, compressor bottom board, lower hinge are fixed on casing
It is interior, case cleaning cabin foam material, cleaning refrigerator are found afterwards, and casing inspection is carried out after then fixing 905 drawer guideways；Door foaming,
By door shell and door liner assembling processing the Later Zhou Dynasty, one of the Five Dynasties go to foaming line, put after die sinking door shell, dress door liner after complete material feeding, after the completion of material feeding
Matched moulds is carried out, is molded after shaping and takes door, door body limited block is filled on chamber door, door seal is filled afterwards, carries out door body inspection, be standby；Institute
Foaming machine main power switch is opened when stating foam box, unclamps scram button, by reset key, then starts hydraulic station, cold water successively
Unit equipment, rotation is black, expects filter in vain, opens Valved discharge 300-500g material, 2 times a day；Clear rifle, circulation is played, select " nothing
Material " position, is cleared up using DOP, lubricates pipette tips 2-3 times, selects " circulation " position, starts black and white material pump, carries out cycle of higher pressure, adjustment material
Pressure, now material temperature can raise, cycle of higher pressure 10-15min, survey the qualified rear progress foam production of rifle sample；Respectively to before foaming, foaming
Door body is weighed afterwards, checks whether actual groundwater increment meets technological requirement, entity bubble averag density 31.5-32kg/m3Meet technique
Positive generation of being allowed for access after it is required that is produced, 18-22 DEG C of material temperature, 35-55 DEG C of mold temperature, and steel plate door shell foams after need to heating,
During foaming, casing 35-55 DEG C of drying tunnel temperature of preheating；, tank body pressure 2-4bar, material feeding pressure 100-150bar are black, expect material feeding in vain
Pressure differential is less than 10bar, black and white material mass ratio 1.2-1.3:1；Sample reactivity：Wire drawing time 50-60s, do not glue time 80-
90s, density 22.5-23kg/m3；Pipette tips flow：Straight line 1400-1500g/s, ground loop wire 900-1000g/s；Curing time
700s-900s；
(4) general assembly section：Temperature control, prepackage compressor annex, installation compressor are installed on casing, it is pre- after temperature controlling box is fixed
Refrigerating evaporator is filled, will freeze evaporator after the completion of prepackage refrigerating evaporator is welded and fixed, and afterwards pacifies door of refrigerator by middle hinge
Dress fix, then by upper hinge by cold sotrage door install fix, tear blue adhesive tape, overlay film, cleaning refrigerator, then mounting knob seat,
Glass shelf, now carries out outward appearance and casing is examined, and is reprocessed immediately Ru undesirable, power supply is carried out when installing compressor
Line is adapted to, afterwards dead earth line, power line, then installs compressor relay cover, is carried out pipe arrangement afterwards, is blown dirt, by low
Silver soldering connects, high silver-colored soldering welding device for drying and filtering, and the low silver-colored solder is silver wire, the silver-colored solder system of height
Preparation Method is first by uniform mixed preparing is closed at normal temperatures containing 5% Sn, 5% P, 1% Ni, 2% Ag, 87% Cu
Golden raw material for standby, then induction melting, casting in 1000~1200 DEG C, the vacuum less than 10Pa, vacuum induction heating furnace
Ingot；Then hot extrusion molding method is used, at a temperature of 450~550 DEG C, diameter 1~4mm bars are made in alloy cast ingot,
Solder joint cleaning, pipeline shaping are carried out after the completion of welding；Then vacuumized, pull out snap joint, attaching water pond, carried out afterwards cold
Matchmaker irrigates sealing, and the valve for charging refrigerant equipment is opened during the cooling medium charging, to adding 30-60g refrigeration in refrigeration system
Agent, restart compressor after it circulates 1-5min in refrigeration systems, hunted leak finally by low pressure, the leak detection of safety check and high pressure；
The nitrogen progress low-pressure section that the low pressure leak detection is filled with 04~08MPa pressure from threeway service valve is stopped leakage in the roof, the high pressure leak detection
From the company of device for drying and filtering and capillary it is disrespectful from pipeline separated, and two separated pipes are each shut, muffler from compression
Removed on machine, and the mouth of pipe that tracheae is taken back on compressor blocked, on the threeway service valve connect from process duct fill 10~
12MPa nitrogen, hunts leak to high-pressure section.
(5) section is packed：By after the completion of general assembly refrigerator carry out commodity inspection test, after the completion of paste circuit diagram, nameplate, bar code,
Door handle lid is filled, then fixed fruit and vegetable box is installed, place specification, annex, is carried out eventually after pasting efficiency, refined copper pipe labeling afterwards
Inspection, door body protection foam, set inner bag are put after inspection is qualified eventually, set carton, puts protection angle brace, dividing plate, top cover, last joint sealing, packing
Machine is packed.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the present invention by appended claims and
Its equivalent thereof.
Claims (7)
1. a kind of refrigerator foam manufacture method, it is characterised in that comprise the following steps：
(1) side plate metal plate section：Side plate is made using steel plate raw material, steel plate feeding is punched first, overturns rolling afterwards, beats Z-type
Structure, U-shape structure is converted into after side plate condenser pastes automatically afterwards；
(2) section is pre-installed：By case courage by hinge, screw, strengthen ferropexy on side plate, by refrigeration evaporator, case courage dew removing tube,
Case courage encloses cotton in case courage, at the same time by heater strip, temperature-sensing sleeve installation sealing, the wire harness of case courage is installed and fixed,
Together with case courage is fixed on side plate afterwards, calibrating tank position, pastes blue adhesive tape constant mark, then dew removing tube is whole afterwards
Shape, swash plate are fixed, draining tube leakage mouth seals, backboard is installed after left side refrigerator pipes and power supply linear sealing, pipeline shaping and then is passed through
Cross foam box；
(3) casing, door foaming section：Foam box, casing is put into foaming workshop and carries out matched moulds, material feeding, is gone out after the completion of foaming
Case is reached the standard grade, tear tape, will refrigeration dividing plate, buckle, roller, magnetic valve, compressor bottom board, lower hinge are fixed in casing,
Case cleaning cabin foam material, cleaning refrigerator are found afterwards, and casing inspection is carried out after then fixing drawer guideway；Door foaming, by door shell
And the door liner assembling processing Later Zhou Dynasty, one of the Five Dynasties goes to foaming line, and door shell is put after die sinking, dress door liner completes material feeding afterwards, is closed after the completion of material feeding
Mould, molds after shaping and takes door, door body limited block is filled on chamber door, fills door seal afterwards, carries out door body inspection, be standby；The casing
Foaming machine main power switch is opened during foaming, unclamps scram button, by reset key, then startup hydraulic station, handpiece Water Chilling Units are set successively
Standby, rotation is black, expects filter in vain, opens Valved discharge 300-500g material, daily discharge material 2 times；Clear rifle, circulation is played, select " nothing
Material " position, is cleared up using DOP, lubricates pipette tips 2-3 times, selects " circulation " position, starts black and white material pump, carries out cycle of higher pressure, adjustment material
Pressure, now material temperature can raise, cycle of higher pressure 10-15min, survey the qualified rear progress foam production of rifle sample；Respectively to before foaming, foaming
Door body is weighed afterwards, checks whether actual groundwater increment meets technological requirement, entity bubble averag density 31.5-32kg/m3Meet technique
Positive generation of being allowed for access after it is required that is produced, 18-22 DEG C of material temperature, 35-55 DEG C of mold temperature, and steel plate door shell foams after need to heating,
During foaming, casing 35-55 DEG C of drying tunnel temperature of preheating；, tank body pressure 2-4bar, material feeding pressure 100-150bar are black, expect material feeding in vain
Pressure differential is less than 10bar, black and white material mass ratio 1.2-1.3:1；Sample reactivity：Wire drawing time 50-60s, do not glue time 80-
90s, density 22.5-23kg/m3；Pipette tips flow：Straight line 1400-1500g/s, ground loop wire 900-1000g/s；Curing time
700s-900s；
(4) general assembly section：Temperature control, prepackage compressor annex, installation compressor are installed on casing, pre-installed after temperature controlling box is fixed cold
Freeze evaporator, will freeze evaporator after the completion of prepackage refrigerating evaporator is welded and fixed, and afterwards installs door of refrigerator by middle hinge solid
It is fixed, then cold sotrage door is installed by upper hinge and fixed, tears blue adhesive tape, overlay film, cleaning refrigerator, then mounting knob seat, glass
Shelf, now carries out outward appearance and casing is examined, and is reprocessed immediately Ru undesirable, and power line is carried out when installing compressor and is fitted
Match somebody with somebody, afterwards dead earth line, power line, then compressor relay cover is installed, carry out pipe arrangement afterwards, blow dirt, pass through low silver soldering
Connect, high silver-colored soldering welding device for drying and filtering, solder joint cleaning, pipeline shaping are carried out after the completion of welding；Then vacuumized,
Snap joint, attaching water pond are pulled out, carries out cooling medium charging sealing afterwards, is hunted leak finally by low pressure, the leak detection of safety check and high pressure；
(5) section is packed：By after the completion of general assembly refrigerator carry out commodity inspection test, after the completion of paste circuit diagram, nameplate, bar code, fill door
Handle cover, then fixed fruit and vegetable box is installed, place specification, annex, carries out whole inspection after pasting efficiency, refined copper pipe labeling afterwards, eventually
Examine it is qualified after put door body protection foam, set inner bag, set carton, put protection angle brace, dividing plate, top cover, last joint sealing, baling press beats
Bag.
A kind of 2. refrigerator foam manufacture method according to claim 1, it is characterised in that：Comprise the following steps：Institute
Solder joint mopping, patch pay attention to labeling when stating dress door handle lid, then fix back cover, power line.
A kind of 3. refrigerator foam manufacture method according to claim 1, it is characterised in that：Comprise the following steps：Institute
The valve for charging refrigerant equipment is opened when stating cooling medium charging, to 30-60g refrigerants are added in refrigeration system, treats that it is freezing
Restart compressor after circulating 1-5min in system.
A kind of 4. refrigerator foam manufacture method according to claim 1, it is characterised in that：Comprise the following steps：Institute
It is silver solder to state low silver-colored solder, silver wire, silver soldering piece, silver soldering ring, one kind in silver soldering powder solder flux.
A kind of 5. refrigerator foam manufacture method according to claim 1, it is characterised in that：Comprise the following steps：Institute
State high silver-colored solder preparation method for first by containing 5% Sn, 5% P, 1% Ni, 2% Ag, 87% Cu in normal temperature
Uniform mixed preparing alloy raw material is standby down, then 1000~1200 DEG C, the vacuum less than 10Pa, vacuum induction heating furnace
In induction melting, casting ingot；Then hot extrusion molding method is used, at a temperature of 450~550 DEG C, alloy cast ingot is made
Diameter 1~4mm bars.
A kind of 6. refrigerator foam manufacture method according to claim 1, it is characterised in that：Comprise the following steps：Institute
State the nitrogen progress low-pressure section leak detection that low pressure leak detection is filled with 4~8MPa pressure from threeway service valve.
A kind of 7. refrigerator foam manufacture method according to claim 1, it is characterised in that：Comprise the following steps：Institute
State high pressure leak detection to separate pipeline from the junction of device for drying and filtering and capillary, and separated two pipe each shut, time
Tracheae is removed from compressor, and the mouth of pipe that tracheae is taken back on compressor is blocked, the threeway service valve connect from process duct
10~12MPa of upper filling nitrogen, hunts leak to high-pressure section.
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| CN112659451A (en) * | 2020-12-25 | 2021-04-16 | 长虹美菱股份有限公司 | Efficient foaming control method for refrigerator body |
| CN113108542A (en) * | 2021-05-12 | 2021-07-13 | 滁州市新康达金属制品有限公司 | Processing method of side-by-side combination door plate of refrigerator |
| CN113608557A (en) * | 2021-08-04 | 2021-11-05 | 长虹美菱股份有限公司 | Sectional type control system and method for foaming injection flow |
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| CN102466381A (en) * | 2010-11-10 | 2012-05-23 | 安徽康佳同创电器有限公司 | Refrigeration freezing box and method for manufacturing same |
| CN102654343A (en) * | 2011-03-01 | 2012-09-05 | 河南新飞电器有限公司 | Refrigerator freezer, manufacture method thereof and dedicated freezer body foaming die |
| CN102252493A (en) * | 2011-06-24 | 2011-11-23 | 浙江普信电器股份有限公司 | Horizontal type freezer using plastic inner container and manufacturing process of plastic inner container thereof |
| CN102889792A (en) * | 2012-09-25 | 2013-01-23 | 昆山荣科钣金科技有限公司 | Condensing equipment casing and manufacture technology thereof |
| CN103448191A (en) * | 2013-08-29 | 2013-12-18 | 海信容声(广东)冰箱有限公司 | Method for foaming refrigerator door body using VIP (Vacuum Insulation Panel) |
| CN203600514U (en) * | 2013-09-05 | 2014-05-21 | 六安索伊电器制造有限公司 | Lower mold for refrigerator door plate foaming |
| CN103604267B (en) * | 2013-10-31 | 2015-09-23 | 广州万宝集团冰箱有限公司 | The manufacturing process of electric refrigerator housing body |
| CN104626445B (en) * | 2014-12-31 | 2017-04-19 | 合肥华凌股份有限公司 | Door manufacturing method and door foaming mold |
| CN105698468B (en) * | 2016-02-01 | 2018-06-12 | 安徽省万爱电器科技有限公司 | A kind of small-sized simple gate condenser tube of refrigerator prepackage technique |
| CN105627691B (en) * | 2016-02-01 | 2018-02-13 | 安徽省万爱电器科技有限公司 | A kind of packaging technology of small-sized simple gate refrigerator |
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Denomination of invention: Refrigerator body foaming manufacturing method Effective date of registration: 20181116 Granted publication date: 20171114 Pledgee: Lu'an finance Company limited by guarantee Pledgor: LIUAN SOYEA ELECTRIC APPLIANCE MANUFACTURING Co.,Ltd. Registration number: 2018340000646 |
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