A kind of efficiently refrigerator assembling manufacturing technique
Technical field
The present invention relates to refrigeration plant manufacturing technology field, be specially a kind of efficiently refrigerator assembling manufacturing technique.
Background technology
Along with quickening and the 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 process such as filling, dispatch from the factory, wherein refrigerator general assembly is the process that casing, door body, Circuits System, refrigeration system are assembled into complete machine.Existing
During having in technology refrigerator assembling, process step design is more chaotic, the problem affecting production efficiency.And, casing is in transportation
In quality problems such as colliding with the most 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
Reaction in door body cavity, and release heat, the foaming agent heat gasification in raw material, formation microbubble, micro-bubble growth, expansion,
It is full of casing or the cavity of door body, solidify to form hard polyaminoester closed-cell foam.Performance and the production technology of foam determine ice
Case, the quality of refrigerator-freezer performance.
Summary of the invention
Technical problem solved by the invention is to provide a kind of efficiently refrigerator assembling manufacturing technique, to solve above-mentioned background
Problem in technology.
Technical problem solved by the invention realizes by the following technical solutions: a kind of efficiently refrigerator assembling manufacturing work
Skill, comprises the following steps:
(1) side plate panel beating section: use steel plate raw material to make side plate, first by die-cut for steel plate feeding, overturn rolling afterwards, beat
Z-type structure, is converted into U-shape structure after side plate condenser pastes automatically afterwards;
(2) prepackage section: will by hinge, screw, reinforcement ferropexy on side plate, by refrigeration evaporator, case gallbladder dew removing tube,
Case gallbladder encloses cotton and is arranged on case gallbladder, meanwhile heater strip, temperature-sensing sleeve is installed and is sealed, is installed by the wire harness of case gallbladder fixing,
Together with afterwards case gallbladder being fixed on side plate, calibrating tank position afterwards, paste blue adhesive tape constant mark, then dew removing tube is whole
Shape, swash plate are fixed, drain pipe leaks mouth seals, left cold and power line seals, install backboard after pipeline shaping is then passed through casing
Foaming;
(3) casing, door foaming section: foam box, puts into casing foaming workshop and carries out matched moulds, material feeding, and foaming completes
Rear outlet is reached the standard grade, tear tape, by cold preservation dividing plate, buckle, roller, electromagnetic valve, compressor bottom board, lower hinge are fixed on casing
In, found case cleaning cabin foam material, cleaning refrigerator afterwards, after then fixing 905 drawer guideways, carry out casing inspection;Door foaming,
Door shell and door liner assembling are processed the Later Zhou Dynasty, one of the Five Dynasties and forwards foaming line to, after putting door shell, dress door liner after die sinking, complete material feeding, after material feeding completes
Carrying out matched moulds, after molding, die sinking takes door, fills door body limited block on chamber door, fills door seal afterwards, carries out door body inspection, standby;Institute
Open foaming machine main power switch when stating door foaming, unclamp scram button, by reset key, then start Hydraulic Station, cold water successively
Unit equipment, rotate black, expect filter in vain, open Valved discharge 300-500g material, every day 2 times;Clear rifle, play circulation, selection " nothing
Material " position, use DOP cleaning, lubrication rifle head 2-3 time, select " circulation " position, start black and white material pump, carry out cycle of higher pressure, adjust material
Pressure, now material temperature can raise, cycle of higher pressure 10-15min, carries out foam production after survey rifle sample is qualified;Material temperature 21-25 DEG C,
Mold temperature 35-55 DEG C, steel plate door shell need to heat post-foaming, during foaming, preheats temperature 35-55 DEG C, tank body pressure 2-4bar, note
Material pressure 100-130bar, material material feeding pressure differential black, white is less than 10bar, black and white material mass ratio 1.2-1.3:1;Sample is reactive:
Wire drawing time 55-65s, does not glue time 90-100s, density 25-26kg/m3;Rifle head flow: 300-500g/s;Curing time
480s-600s;
(4) general assembly section: install temperature control, prepackage compressor adnexa on casing, install compressor, by fixing for temp. controlling box rear pre-
Dress refrigerating evaporator, prepackage refrigerating evaporator will be frozen vaporizer after completing and be welded and fixed, be pacified by middle hinge by door of refrigerator afterwards
Dress is fixing, is then installed by cold sotrage door fixing by upper hinge, tears blue adhesive tape, overlay film, cleaning refrigerator, then mounting knob seat,
Glass shelf, now carries out outward appearance and casing inspection, reprocesses immediately as undesirable, carry out power supply when installing compressor
Line is adaptive, dead earth line, power line afterwards, then installs compressor relay cover, carries out pipe arrangement afterwards, blows dirt, by low
Silver soldering connects, high silver soldering welding device for drying and filtering, carries out solder joint cleaning, pipeline shaping after having welded;Then take out
Vacuum, pull out snap joint, attaching water pond, carry out cooling medium charging sealing afterwards, finally by low pressure leak detection, safety check and high pressure inspection
Leakage;
(5) packaging section: the refrigerator after general assembly being completed carries out commodity inspection test, pastes circuit diagram, nameplate, bar code after completing,
Dress door handle lid, then installs fixing fruit and vegetable box, places description, adnexa, carries out end after pasting efficiency, essence copper pipe labeling afterwards
Examine, after inspection is qualified eventually, put door body protection foam, set inner bag, overlap carton, put protection angle brace, dividing plate, top cover, last joint sealing, packing
Machine is packed.
Solder joint mopping during described dress door handle lid, patch note labeling, then fix back cover, power line.
The valve charging refrigerant equipment is opened during described cooling medium charging, to refrigeration system adds 30-60g cold-producing medium,
Compressor is restarted after it circulates 1-5min in refrigeration systems.
Described low silver solder is silver solder, silver wire, silver soldering sheet, silver soldering ring, the one in silver soldering powder solder flux.
Described high silver solder preparation method be first by containing 5% Sn, the P of 5%, the Ni of 1%, the Ag of 2%, 87%
Cu at normal temperatures uniformly mixed preparing alloy raw material standby, then 1000~1200 DEG C, the vacuum less than 10Pa, vacuum
Induction melting in induction heater, it is cast into ingot;Then use hot extrusion molding method, at a temperature of 450~550 DEG C, will close
Diameter 1~4mm bar made by gold ingot casting.
The leak detection of described low pressure is filled with the nitrogen of 04~08MPa pressure from threeway service valve and carries out low-pressure section and stop leakage in the roof.
Pipeline is separated from device for drying and filtering is disrespectful with the company of capillary tube by the leak detection of described high pressure, and by separate two pipes each
Shut, muffler is taken off from compressor, and the mouth of pipe taking back trachea on compressor is blocked, three connect from process duct
Fill the nitrogen of 10~12MPa 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 clear, and
Each station technological design is reasonable, the highest overall order, improves working (machining) efficiency simultaneously.
Accompanying drawing explanation
Fig. 1 is the overall flow figure of the present invention.
Fig. 2 is the side plate panel beating 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.
Detailed description of the invention
It is prone to bright in order to make the technological means of the present invention, creation characteristic, workflow, using method reach purpose with effect
White understanding, below in conjunction with the embodiment of the present invention, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is only a part of 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 not making creative work premise, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of efficiently refrigerator assembling manufacturing technique, comprises the following steps:
(1) side plate panel beating section: use steel plate raw material to make side plate, first by die-cut for steel plate feeding, overturn rolling afterwards, beat
Z-type structure, is converted into U-shape structure after side plate condenser pastes automatically afterwards;
(2) prepackage section: will by hinge, screw, reinforcement ferropexy on side plate, by refrigeration evaporator, case gallbladder dew removing tube,
Case gallbladder encloses cotton and is arranged on case gallbladder, meanwhile heater strip, temperature-sensing sleeve is installed and is sealed, is installed by the wire harness of case gallbladder fixing,
Together with afterwards case gallbladder being fixed on side plate, calibrating tank position afterwards, paste blue adhesive tape constant mark, then dew removing tube is whole
Shape, swash plate are fixed, drain pipe leaks mouth seals, left cold and power line seals, install backboard after pipeline shaping is then passed through casing
Foaming;
(3) casing, door foaming section: foam box, puts into casing foaming workshop and carries out matched moulds, material feeding, and foaming completes
Rear outlet is reached the standard grade, tear tape, by cold preservation dividing plate, buckle, roller, electromagnetic valve, compressor bottom board, lower hinge are fixed on casing
In, found case cleaning cabin foam material, cleaning refrigerator afterwards, after then fixing 905 drawer guideways, carry out casing inspection;Door foaming,
Door shell and door liner assembling are processed the Later Zhou Dynasty, one of the Five Dynasties and forwards foaming line to, after putting door shell, dress door liner after die sinking, complete material feeding, after material feeding completes
Carrying out matched moulds, after molding, die sinking takes door, fills door body limited block on chamber door, fills door seal afterwards, carries out door body inspection, standby;Institute
Open foaming machine main power switch when stating door foaming, unclamp scram button, by reset key, then start Hydraulic Station, cold water successively
Unit equipment, rotate black, expect filter in vain, open Valved discharge 300-500g material, every day 2 times;Clear rifle, play circulation, selection " nothing
Material " position, use DOP cleaning, lubrication rifle head 2-3 time, select " circulation " position, start black and white material pump, carry out cycle of higher pressure, adjust material
Pressure, now material temperature can raise, cycle of higher pressure 10-15min, carries out foam production after survey rifle sample is qualified;Material temperature 21-25 DEG C,
Mold temperature 35-55 DEG C, steel plate door shell need to heat post-foaming, during foaming, preheats temperature 35-55 DEG C, tank body pressure 2-4bar, note
Material pressure 100-130bar, material material feeding pressure differential black, white is less than 10bar, black and white material mass ratio 1.2-1.3:1;Sample is reactive:
Wire drawing time 55-65s, does not glue time 90-100s, density 25-26kg/m3;Rifle head flow: 300-500g/s;Curing time
480s-600s;
(4) general assembly section: install temperature control, prepackage compressor adnexa on casing, install compressor, by fixing for temp. controlling box rear pre-
Dress refrigerating evaporator, prepackage refrigerating evaporator will be frozen vaporizer after completing and be welded and fixed, be pacified by middle hinge by door of refrigerator afterwards
Dress is fixing, is then installed by cold sotrage door fixing by upper hinge, tears blue adhesive tape, overlay film, cleaning refrigerator, then mounting knob seat,
Glass shelf, now carries out outward appearance and casing inspection, reprocesses immediately as undesirable, carry out power supply when installing compressor
Line is adaptive, dead earth line, power line afterwards, then installs compressor relay cover, carries out pipe arrangement afterwards, blows dirt, by low
Silver soldering connects, high silver soldering welding device for drying and filtering, and described low silver solder is silver solder, described high silver solder system
Preparation Method be first by containing 5% Sn, the P of 5%, the Ni of 1%, the Ag of 2%, 87% Cu at normal temperatures uniformly mixed preparing close
Gold raw material for standby, then induction melting, casting in vacuum at 1000~1200 DEG C, less than 10Pa, vacuum induction heating furnace
Become ingot;Then use hot extrusion molding method, at a temperature of 450~550 DEG C, alloy cast ingot made diameter 1~4mm bar,
Solder joint cleaning, pipeline shaping is carried out after having welded;Then carry out evacuation, pull out snap joint, attaching water pond, carry out cold afterwards
Matchmaker irrigates sealing, finally by low pressure leak detection, safety check and high pressure leak detection;
(5) packaging section: the refrigerator after general assembly being completed carries out commodity inspection test, pastes circuit diagram, nameplate, bar code after completing,
Dress door handle lid, then installs fixing fruit and vegetable box, places description, adnexa, carries out end after pasting efficiency, essence copper pipe labeling afterwards
Examine, after inspection is qualified eventually, put door body protection foam, set inner bag, overlap carton, put protection angle brace, dividing plate, top cover, last joint sealing, packing
Machine is packed.
Embodiment 2
A kind of efficiently refrigerator assembling manufacturing technique, comprises the following steps:
(1) side plate panel beating section: use steel plate raw material to make side plate, first by die-cut for steel plate feeding, overturn rolling afterwards, beat
Z-type structure, is converted into U-shape structure after side plate condenser pastes automatically afterwards;
(2) prepackage section: will by hinge, screw, reinforcement ferropexy on side plate, by refrigeration evaporator, case gallbladder dew removing tube,
Case gallbladder encloses cotton and is arranged on case gallbladder, meanwhile heater strip, temperature-sensing sleeve is installed and is sealed, is installed by the wire harness of case gallbladder fixing,
Together with afterwards case gallbladder being fixed on side plate, calibrating tank position afterwards, paste blue adhesive tape constant mark, then dew removing tube is whole
Shape, swash plate are fixed, drain pipe leaks mouth seals, left cold and power line seals, install backboard after pipeline shaping is then passed through casing
Foaming;
(3) casing, door foaming section: foam box, puts into casing foaming workshop and carries out matched moulds, material feeding, and foaming completes
Rear outlet is reached the standard grade, tear tape, by cold preservation dividing plate, buckle, roller, electromagnetic valve, compressor bottom board, lower hinge are fixed on casing
In, found case cleaning cabin foam material, cleaning refrigerator afterwards, after then fixing 905 drawer guideways, carry out casing inspection;Door foaming,
Door shell and door liner assembling are processed the Later Zhou Dynasty, one of the Five Dynasties and forwards foaming line to, after putting door shell, dress door liner after die sinking, complete material feeding, after material feeding completes
Carrying out matched moulds, after molding, die sinking takes door, fills door body limited block on chamber door, fills door seal afterwards, carries out door body inspection, standby;Institute
Open foaming machine main power switch when stating door foaming, unclamp scram button, by reset key, then start Hydraulic Station, cold water successively
Unit equipment, rotate black, expect filter in vain, open Valved discharge 300-500g material, every day 2 times;Clear rifle, play circulation, selection " nothing
Material " position, use DOP cleaning, lubrication rifle head 2-3 time, select " circulation " position, start black and white material pump, carry out cycle of higher pressure, adjust material
Pressure, now material temperature can raise, cycle of higher pressure 10-15min, carries out foam production after survey rifle sample is qualified;Material temperature 21-25 DEG C,
Mold temperature 35-55 DEG C, steel plate door shell need to heat post-foaming, during foaming, preheats temperature 35-55 DEG C, tank body pressure 2-4bar, note
Material pressure 100-130bar, material material feeding pressure differential black, white is less than 10bar, black and white material mass ratio 1.2-1.3:1;Sample is reactive:
Wire drawing time 55-65s, does not glue time 90-100s, density 25-26kg/m3;Rifle head flow: 300-500g/s;Curing time
480s-600s;
(4) general assembly section: install temperature control, prepackage compressor adnexa on casing, install compressor, by fixing for temp. controlling box rear pre-
Dress refrigerating evaporator, prepackage refrigerating evaporator will be frozen vaporizer after completing and be welded and fixed, be pacified by middle hinge by door of refrigerator afterwards
Dress is fixing, is then installed by cold sotrage door fixing by upper hinge, tears blue adhesive tape, overlay film, cleaning refrigerator, then mounting knob seat,
Glass shelf, now carries out outward appearance and casing inspection, reprocesses immediately as undesirable, carry out power supply when installing compressor
Line is adaptive, dead earth line, power line afterwards, then installs compressor relay cover, carries out pipe arrangement afterwards, blows dirt, by low
Silver soldering connects, high silver soldering welding device for drying and filtering, carries out solder joint cleaning, pipeline shaping after having welded;Then take out
Vacuum, pull out snap joint, attaching water pond, carry out cooling medium charging sealing afterwards, finally by low pressure leak detection, safety check and high pressure inspection
Leakage;The leak detection of described low pressure is filled with the nitrogen of 04~08MPa pressure from threeway service valve and carries out low-pressure section and stop leakage in the roof;Described high pressure is examined
Pipeline is separated from device for drying and filtering is disrespectful with the company of capillary tube by leakage, and each shuts, separate two pipes muffler from pressure
Take off on contracting machine, and the mouth of pipe taking back trachea on compressor is blocked, the threeway service valve connect from process duct fills 10
~the nitrogen of 12MPa, high-pressure section is hunted leak.
(5) packaging section: the refrigerator after general assembly being completed carries out commodity inspection test, pastes circuit diagram, nameplate, bar code after completing,
Dress door handle lid, then installs fixing fruit and vegetable box, places description, adnexa, carries out end after pasting efficiency, essence copper pipe labeling afterwards
Examine, after inspection is qualified eventually, put door body protection foam, set inner bag, overlap carton, put protection angle brace, dividing plate, top cover, last joint sealing, packing
Machine is packed.
Embodiment 3
A kind of efficiently refrigerator assembling manufacturing technique, comprises the following steps:
(1) side plate panel beating section: use steel plate raw material to make side plate, first by die-cut for steel plate feeding, overturn rolling afterwards, beat
Z-type structure, is converted into U-shape structure after side plate condenser pastes automatically afterwards;
(2) prepackage section: will by hinge, screw, reinforcement ferropexy on side plate, by refrigeration evaporator, case gallbladder dew removing tube,
Case gallbladder encloses cotton and is arranged on case gallbladder, meanwhile heater strip, temperature-sensing sleeve is installed and is sealed, is installed by the wire harness of case gallbladder fixing,
Together with afterwards case gallbladder being fixed on side plate, calibrating tank position afterwards, paste blue adhesive tape constant mark, then dew removing tube is whole
Shape, swash plate are fixed, drain pipe leaks mouth seals, left cold and power line seals, install backboard after pipeline shaping is then passed through casing
Foaming;
(3) casing, door foaming section: foam box, puts into casing foaming workshop and carries out matched moulds, material feeding, and foaming completes
Rear outlet is reached the standard grade, tear tape, by cold preservation dividing plate, buckle, roller, electromagnetic valve, compressor bottom board, lower hinge are fixed on casing
In, found case cleaning cabin foam material, cleaning refrigerator afterwards, after then fixing 905 drawer guideways, carry out casing inspection;Door foaming,
Door shell and door liner assembling are processed the Later Zhou Dynasty, one of the Five Dynasties and forwards foaming line to, after putting door shell, dress door liner after die sinking, complete material feeding, after material feeding completes
Carrying out matched moulds, after molding, die sinking takes door, fills door body limited block on chamber door, fills door seal afterwards, carries out door body inspection, standby;Institute
Open foaming machine main power switch when stating door foaming, unclamp scram button, by reset key, then start Hydraulic Station, cold water successively
Unit equipment, rotate black, expect filter in vain, open Valved discharge 300-500g material, every day 2 times;Clear rifle, play circulation, selection " nothing
Material " position, use DOP cleaning, lubrication rifle head 2-3 time, select " circulation " position, start black and white material pump, carry out cycle of higher pressure, adjust material
Pressure, now material temperature can raise, cycle of higher pressure 10-15min, carries out foam production after survey rifle sample is qualified;Material temperature 21-25 DEG C,
Mold temperature 35-55 DEG C, steel plate door shell need to heat post-foaming, during foaming, preheats temperature 35-55 DEG C, tank body pressure 2-4bar, note
Material pressure 100-130bar, material material feeding pressure differential black, white is less than 10bar, black and white material mass ratio 1.2-1.3:1;Sample is reactive:
Wire drawing time 55-65s, does not glue time 90-100s, density 25-26kg/m3;Rifle head flow: 300-500g/s;Curing time
480s-600s;
(4) general assembly section: install temperature control, prepackage compressor adnexa on casing, install compressor, by fixing for temp. controlling box rear pre-
Dress refrigerating evaporator, prepackage refrigerating evaporator will be frozen vaporizer after completing and be welded and fixed, be pacified by middle hinge by door of refrigerator afterwards
Dress is fixing, is then installed by cold sotrage door fixing by upper hinge, tears blue adhesive tape, overlay film, cleaning refrigerator, then mounting knob seat,
Glass shelf, now carries out outward appearance and casing inspection, reprocesses immediately as undesirable, carry out power supply when installing compressor
Line is adaptive, dead earth line, power line afterwards, then installs compressor relay cover, carries out pipe arrangement afterwards, blows dirt, by low
Silver soldering connects, high silver soldering welding device for drying and filtering, and described low silver solder is silver wire, described high silver solder system
Preparation Method be first by containing 5% Sn, the P of 5%, the Ni of 1%, the Ag of 2%, 87% Cu at normal temperatures uniformly mixed preparing close
Gold raw material for standby, then induction melting, casting in vacuum at 1000~1200 DEG C, less than 10Pa, vacuum induction heating furnace
Become ingot;Then use hot extrusion molding method, at a temperature of 450~550 DEG C, alloy cast ingot made diameter 1~4mm bar,
Solder joint cleaning, pipeline shaping is carried out after having welded;Then carry out evacuation, pull out snap joint, attaching water pond, carry out cold afterwards
Matchmaker irrigates sealing, opens the valve charging refrigerant equipment during described cooling medium charging, to adding 30-60g refrigeration in refrigeration system
Agent, restarts compressor after it circulates 1-5min in refrigeration systems, finally by low pressure leak detection, safety check and high pressure leak detection;
The leak detection of described low pressure is filled with the nitrogen of 04~08MPa pressure from threeway service valve and carries out low-pressure section and stop leakage in the roof, and described high pressure is hunted leak
From device for drying and filtering is disrespectful with the company of capillary tube, pipeline is separated, and separate two pipes are each shut, muffler from compression
Take off on machine, and the mouth of pipe taking back trachea on compressor blocked, on the threeway service valve connect from process duct fill 10~
The nitrogen of 12MPa, hunts leak to high-pressure section.
(5) packaging section: the refrigerator after general assembly being completed carries out commodity inspection test, pastes circuit diagram, nameplate, bar code after completing,
Dress door handle lid, then installs fixing fruit and vegetable box, places description, adnexa, carries out end after pasting efficiency, essence copper pipe labeling afterwards
Examine, after inspection is qualified eventually, put door body protection foam, set inner bag, overlap carton, put protection angle brace, dividing plate, top cover, last joint sealing, packing
Machine is packed.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become
Change and improvement both falls within scope of the claimed invention.The claimed scope of the present invention by appending claims and
Its equivalent defines.