CN105627691A - Assembly technique of small single-door refrigerator - Google Patents

Abstract

The invention discloses an assembly technique of a small single-door refrigerator. The assembly technique of the small single-door refrigerator comprises the following steps of prearrangement of a temperature controller assembly, insertion of a temperature control box assembly, fixation of the temperature control box assembly, installation of a freezing evaporator, welding of the freezing evaporator, installation of a panel and a limiting block of the freezing evaporator, installation of a compressor, installation of a top plate, installation of accessories of the compressor, pipeline connection, pipeline welding, blockage checking through nitrogen, leakage checking through nitrogen, vacuumizing, pouring of refrigerants, sealing, low-voltage leakage detecting, high-voltage leakage detecting, testing of the safety performance, electrifying and probe arrangement, and testing of the refrigeration performance. According to the assembly technique of the small single-door refrigerator, the assembly process of the small single-door refrigerator is further improved according to the specific structure and assembly requirements of the small single-door refrigerator, so that the assembly efficiency of the small single-door refrigerator is greatly improved, and the qualified rate of the small single-door refrigerator is greatly increased; meanwhile, a more scientific assembly line type assembly process is adopted, so that the probability that offline handling is caused due to the fact that accidents occur during refrigerator assembly is lowered, manpower resources and material resources are saved, and the production cost is reduced.

Description

A kind of packaging technology of small-sized simple gate refrigerator

Technical field

The present invention relates to the packaging technology field of refrigerator, particularly to the packaging technology of a kind of small-sized simple gate refrigerator.

Background technology

The assembling of refrigerator is an important flow process in refrigerator production process, modern refrigerator assembles to be substantially and assembles on streamline, an automatic conveying belt there is a lot of station, each station limit has parts and instrument that this station needs, refrigerator is walked on a moving belt, required parts are just installed on refrigerator by every refrigerator to this station of station, say, that some station is only responsible for filling one or several parts.

But, the scientific degree of the assembling process of refrigerator, the packaging efficiency of refrigerator and the qualification rate of assembling are directly influenced, the refrigerator packaging technology of current Ge great producer adopts the assembling flow path in " electric refrigerator assembles and maintenance training " mostly, for the packaging technology of small-sized simple gate refrigerator, this instructs and does not provide clear and definite step in book series, if according to general refrigerator number of assembling steps, not only have influence on the packaging efficiency of small-sized simple gate refrigerator, and after actual assembled, disqualification rate substantially increases.

For this, it is proposed that the packaging technology of a kind of small-sized simple gate refrigerator solves the problems referred to above.

Summary of the invention

The packaging technology of a kind of small-sized simple gate refrigerator that the invention aims to solve background technology and propose.

To achieve these goals, the present invention proposes the packaging technology of a kind of small-sized simple gate refrigerator, and its method step is as follows:

S1 temperature controller component is pre-installed:

(1) self-inspection: a, self-inspection temp. controlling box presentation quality, qualified assembling; Whether b, self-inspection temperature controller illuminating lamp line large terminal be completely complete, without coming off; C, confirmation temperature controller brand, specification, qualified assembling;

(2) temperature-sensing pipe is drawn: stretched by the temperature-sensing pipe of temperature controller, carefully give a discount;

(3) lampshade, LED are installed: LED snapped fitted in the groove of the open and clear mouth of temp. controlling box inner face;

(4) temperature control turn knob is installed: temperature control turn knob is directed at the insertion of temperature controller spin axis and puts in place;

(5) temperature controller is installed: snapped fitted to by temperature control turn knob in the knob installing hole of temperature controller box;

(6) vanning: the temperature controller case assembly being pre-installed is put into Turnover Box, in order to installing and using;

S2 grafting temp. controlling box assembly:

(1) temperature-sensing pipe is inserted: the temperature controller molectron being pre-installed is put into cold preservation inner bag, is then inserted in temperature-sensing pipe conduit;

(2) wiring: a, large terminal and temp. controlling box assembly lamp connecting line large terminal are plugged in together; B, heater terminals and large terminal grafting are plugged in together; C, by temperature control line two-terminal insert temperature controller H end; D, by compressor line two-terminal insert temperature controller C end; E, by magnet-sensitive switch connecting line terminal insert temperature controller L end; F, earth lead is inserted temperature controller earth terminal;

S3 fixes temp. controlling box assembly:

(1) fix temperature controller case assembly: a, whether correctly to check temperature controller line grafting, put in place, then the binding post of temperature controller case assembly and strand are organized in the vacancy in temp. controlling box; B, snap fitted on the cushion block above tapping screw with by the position of open and clear for temp. controlling box component bottom mouth, make temp. controlling box assembly and case inner bag in conjunction with intact;

(2) temperature control gear is checked: check that temperature control gear is whether on the gear of regulation;

(3) whether card door lamp switch: a, inspection door lamp switch line grafting put in place; B, door lamp switch is installed in door lamp switch mounting groove;

S4 installs refrigerating evaporator:

(1) self-inspection: the presentation quality of self-inspection refrigerating evaporator;

(2) inspection air pressure: check whether there is gas sprays;

(3) refrigerating evaporator: a is installed, makes each layer pipeline card of refrigerating evaporator be placed on refrigerating chamber inner bag rib; B, freezing evaporation tube import is connected with refrigeration evaporator connecting tube 1;

S5 refrigerating evaporator welds:

(1) skill of knocking off backing plate: two pieces of craftwork pad boards are placed on freezing inner bag and vaporizer;

(2) some rifle: first open acetylene, after open oxygen cylinder, then light welding gun with lighter;

(3) welding: a, heating frozen, refrigeration evaporator two connecting tube are interfaced to salmon pink, and temperature range is 700-800 DEG C, then puts welding rod rapidly and melts to two interface tube places, after welding rod is uniformly melting into around interface, withdrawn by flame rapidly; B, welded after close welding gun, first close oxygen, close acetylene afterwards;

(4) solder joint is checked: welded need and gone through around pad, the available small mirror reflection of light joint for pipe back side;

S6 installs refrigerating evaporator panel, limited block:

(1) pipeline is arranged: dab totally with towel by the welding slag on refrigerating evaporator pad after waiting solder joint cooling, snap fitted on two pipelines respectively with two pipe boxes;

(2) presentation quality of dress refrigerating evaporator panel: a, self-inspection refrigerating evaporator panel; B, face up smooth for vaporizer panel one, be installed on the evaporation tube of refrigerating evaporator every layer;

(3) presentation quality of dress refrigerating evaporator limited block: a, self-inspection refrigerating evaporator limited block; B, being stuck in by 8 refrigerating evaporator limited blocks on 4 groups of ribs that freezing inner bag is corresponding, make limited block positioning boss be stuck in the groove of freezing inner bag, panel two ends card is placed on the hook of limited block;

(4) central sill snap-fastener, tree casing are installed: take a central sill snap-fastener, check for fracture, be pasted and fixed on the screw hole of central sill left end with 502 glue by central sill snap-fastener;

(5) fixing soft freezer drawer slide rail: with 3 ST4.2x12 cross recess big homalocephalus tapping screws, 4 slide rails are fixed in the installing hole that soft freezing chamber inner bag is corresponding respectively by technological requirement;

(6) fixing big freezer drawer slide rail: with 3 ST4.2x12 cross recess big homalocephalus tapping screws, 2 slide rails are fixed in the installing hole that big refrigerating chamber top inner bag is corresponding respectively on request;

S7 installs compressor:

(1) pre-install compressor damping pad: a, cut off the steel band on compressor package case with special vice or shears, take off packing crates; B, compressor is moved on to support foam edge, push down compressor with one hands, another hands takes 4 cushions and is stained with a little dish detergent at head, respectively bottom compressor screw-in 4 installing holes in;

(2) dress compressor: move up on the base plate of cartonning gas compressor room by flat for the compressor being pre-installed cushion;

(3) card compressor card: a, compressor card has one end of transverse holes snap on the fixing axle that compressor bottom board is inboard, snap into after thinner place outwards half-twist, longitudinal hole snapped on the fixing axle in outside; B, clamp the stator half-twist above compressor card with flat-nose pliers and block compressor card;

S8 installs top board:

(1) self-inspection: a, self-inspection top board presentation quality; B, the outward appearance of self-inspection magnet-sensitive switch and performance quality;

(2) magnet-sensitive switch is installed: universal meter is adjusted to warning gear;

(3) screw is unloaded: the crossed pan head tapping screw criticized two of fixing postnotum and back connecting plate with pneumatic spiral shell takes off;

(4) top board is installed: both hands hold up the top board that self-inspection is qualified, are installed in the top of corresponding series casing;

(5) fixing top board: top board is fixed on the position, hole that casing back is corresponding with upper front-axle beam with 8 cross recess big homalocephalus tapping screws;

(6) button top board button: take in 8 screw mounting grooves at the top board top that 8 qualified top board buttons of self-inspection are arranged on;

S9 fills press adnexa:

(1) wiring: a, the blue line terminals of inner lead is plugged on the sub-inserted sheet of blue line terminals of power line, then the line terminals after docking is plugged on the binding post on the right side of trigger; B, press line is plugged into protector binding post;

(2) dress protector, trigger: a, the connection terminal of protector is plugged on the uppermost terminal of compressor, after protector card is put in protector jump ring, end face is by compressor surface card on the compressor; B, by the two of trigger stomidiums, two binding posts being directed at below compressors insert and put in place;

(3) dead earth screw: a, by the earth lead of internal wiring and the earth lead two-terminal termination of power line and be close together, be fixed on the ground hole of compressor with a brass screw; B, with a brass screw, the earth lead of another termination on power line is fixed on the ground hole that compressor bottom board is corresponding;

(4) fixed power source line: with two cross recess big homalocephalus tapping screws, power line is fixed on two corresponding screw holes of compressor bottom board left end, fix in position;

(5) dress compressor wiring lid assembly: compressor wiring lid is buckled in the adnexa rosette place of compressor left end, and each line is organized in rosette, power line is made to draw from the opening position bottom rosette, then it is fixed on press with Clip Reed, fix in position, does not loosen;

S10 pipeline connects:

(1) plug is pulled out: pull out compressor and the rubber stopper of each pipe end with pliers;

(2) pipeline connects one: a, inserts in the Compressor Process mouth of pipe by process duct reaming one end; B, by dexter left condensing tube reaming one end be directed at the compressor air-discharging mouth of pipe insert; By the left condensing tube of one end, left-hand side with right condensing tube reaming one end to connecting; C, by muffler pull-out arrange, alignment the compressor air suction mouth of pipe insert;

(3) pipeline connects two: a, uses diagonal cutting pliers to be cut off by the solder joint of capillary tube termination by technological requirement; B, by capillary tube on request on the filter be wound around 4-5 circle, then take off filter, making capillary tube is spring-like; C, pull out the sealing-plug at filter two ends, right-hand side condensing tube is inserted in macropore without one end of reaming, then by condensing tube one radian of upper bending mutually; D, capillary tube is inserted in filter other end aperture; Then by capillary tube at the curved circular arc of filter head;

S11 pipeline welding (one):

(1) some rifle: first open acetylene before some rifle, then open oxygen cylinder, then light welding gun with lighter, adjusts flame to best;

(2) weld: welding rod, to salmon pink, is then put rapidly and melted to two interface tube places, after welding rod is uniformly melting into around interface, withdrawn by flame rapidly by a, heating pipe interface; B, as stated above successively will with lower pipe connection weld on; C, welded after close welding gun, first close oxygen, close acetylene afterwards;

(3) solder joint is checked: welded need and gone through around pad, the available small mirror reflection of light joint for pipe back side, check whether there is weldering leakage phenomenon, need repair welding at once if any weldering leakage;

S12 nitrogen is found out and stopped:

(1) connecing snap joint: pull out rubbery stopper in refrigerator process duct, be then inserted in process duct by 1 snap joint, insertion puts in place, check the sealing property of snap joint, then being inserted in process duct by 1 snap joint, insertion puts in place, checks the sealing property of snap joint;

(2) nitrogen is beaten: nitrogen is quickly connect female and on Compressor Process pipe snap joint and links together, press off handle, in system, pour drying nitrogen;

(3) finding out and stopping: be placed on before right condensing tube not flared end and the capillary tube mouth of pipe with hands, whether sensation has gas to go out;

(4) venting: looked into stifled, pulled up and quickly meet mother, then pull up snap joint, bleed off the nitrogen in pipe-line system, then by rubber blocking strips;

S13 pipeline welding (two):

(1) some rifle: first open acetylene before some rifle, then open oxygen cylinder, then light welding gun with lighter, adjusts flame to best;

(2) welding: will weld with lower pipe connection successively as stated above;

(3) solder joint is checked: close welding gun after having welded, first close oxygen, close acetylene afterwards;

S14 nitrogen leakage detection:

(1) connect snap joint: the process duct rubbery stopper pulling out on freezer compressor, then 1 snap joint is inserted in process duct, check the sealing property of snap joint;

(2) nitrogen is beaten: nitrogen is quickly connect female and on Compressor Process pipe snap joint and links together, press off handle, in system, pour drying nitrogen;

(3) leakage detection: dip in appropriate suds uniform application respectively with hairbrush and, on each pad of compressor room and refrigerating chamber, check whether each pad has gas leak phenomenon;

(4) venting: looked into leakage, pulled up and quickly meet mother, then pull up snap joint, bled off the nitrogen in pipe-line system, then by rubber blocking strips;

(5) pipeline is arranged: arrange each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to make each pipeline collide;

S15 evacuation:

(1) open vacuum pump: open vacuum pump, check whether vacuum pump operating is normal;

(2) connect fast kinetic head: pull out the rubber stopper of Compressor Process pipe, then 1 snap joint is plugged into pipeline termination, check the sealing property of snap joint;

(3) connect vacuum pump adapter: by female for quickly connecing on vacuum pump with near the process duct snap joint on the refrigerator of vacuum pump to connecting, and check whether vacuum pump is opened;

(4) evacuated is checked: note at any time checking just in the steam vent exhaust condition of the vacuum pump of evacuation

(5) pulling out and quickly meet mother: after refrigerator has evacuated, that pulls out that refrigerator press process duct is connected with vacuum pump quickly meets mother, and is organized on the vacuum pump of correspondence by the mother that quickly connects of vacuum pump;

(6) pipeline is arranged: arrange each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to make each pipeline collide;

(7) dress water spilage tray: two pieces of damping nozzle Buddhist nun's block doublings respectively are pasted onto water spilage tray two bottom sides;

S16 cooling medium charging:

(1) start: open coolant on request and rush note machine, exhaust equipment, check that whether equipment operation is normal;

(2) cooling medium charging: a, the product type that first will irrigate coolant injection rate set in coolant implanter by coolant injection rate parameter list; B, the filled rifle of coolant implanter is plugged in the snap joint of freezer compressor aeration pipe; C, pressing the injection button of filled rifle, coolant machine is automatically performed evacuation, refrigerant charging; After d, filled end, system display shows filled end; Then pull up coolant injection rifle, hung on coolant machine private jack;

(3) record: the coolant machine by platform record refrigerator shows initial vacuum value, equilibration times, pressure, temperature, set amount, school value in " evacuating aeration log " table;

(4) metering: on time measure with school gas cylinder;

(5) safety: nearby will have fire extinguisher etc. and fire fighting apparatus in most convenient place;

S17 seals:

(1) some rifle: first open acetylene before some rifle, then open oxygen cylinder, then light welding gun with lighter, adjusts flame to best;

(2) soldering and sealing: a, preheating: by the process duct of the pre-thermocompressor of neutral flame; B, card soldering and sealing pincers: treat that process duct is micro-red, clamping from process duct solder joint 40-5mm place with soldering and sealing pincers; C, soldering and sealing: clamping a 30-40mm place preheating pipeline from soldering and sealing with neutral flame, treat that process duct is micro-red, with vice by disconnected for pipeline pincers, and turnover box is put in snap joint, then blow place with neutral flame heating, when pipeline is salmon pink, temperature is 700-800 DEG C, rapidly low silver solder is put and melt to pipeline incision position, be uniformly covered with after whole fracture until welding rod, rapidly flame withdrawn; After d, soldering and sealing complete, take off soldering and sealing pincers, and clamp place with welding rod repair welding soldering and sealing; E, welded after close welding gun, first close oxygen, close acetylene afterwards;

(3) pipeline is arranged: the process duct after soldering and sealing arranged to compressor room inboard;

S18 low pressure is hunted leak:

(1) debugging leak detector: leak detector plug is inserted in supply socket;

(2) low pressure is hunted leak: a, the use each pad of towelette wiping; B, casing door of refrigerator is opened, detection caput is placed in the connecting tube place of refrigerating evaporator; C, detection caput is placed in each pad place of press room;

(3) pipeline is arranged: arrange each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to make each pipeline collide;

S19 high pressure is hunted leak:

(1) debugging leak detector: leak detector plug is inserted in supply socket;

(2) high pressure leak detection: a, the power line of the refrigerator of detection is inserted on streamline socket be energized; B, use towelette wiping high pressure pad; C, detection caput is placed in the left condensing tube in press room and press exhaustor pad, left and right condensing tube jointing soldering points, filter, condensing tube and capillary weld point place;

(3) pipeline is arranged: arrange each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to make each pipeline collide;

(4) adhesion produces serial number: by the production serial number of respective model, be pasted onto the lower left corner of corresponding model casing back on request;

S20 security performance is tested:

(1) start: opening power, starts test equipment;

(2) arrange: enter test operation interface, choose test group, test parameter is configured by technical standard;

(3) plug-in test: by test equipment power line be inserted on main power socket;

(4) record: the refrigerator tested is carried out corresponding record according to the test result of display on equipment;

(5) pipeline is arranged: arrange each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to make each pipeline collide;

S21 plug-in, put probe:

(1) casing is turned: forward the casing flowing to detection room to casing p-wire;

(2) temperature controller is regulated: according to the rules temperature control turn knob is adjusted standard specified point;

(3) Tibetan probe is let cool: lie on the position bottom cold closet gallbladder by a probe;

(4) cryoprobe is put: the clip on popping one's head in is in the middle part of refrigerating evaporator middle level freezing evaporation tube;

(5) energising: connect refrigerator power supply, observes whether press works;

(6) close the door: whether a, observation illuminating lamp be bright; Whether b, closedown cold preservation, freezing door body, have gap between inspection door strip of paper used for sealing and casing;

S22 refrigeration performance is tested:

(1) start: open host computer, starts test system, then chooses test station and test;

(2) thermometric: according to temperature curve and numerical comparatives examination criteria, coroner judges that whether refrigerator is qualified;

(3) judge: the refrigerator tested is carried out corresponding record.

In described installation refrigerating evaporator process, freezing evaporation tube outlet is connected with refrigeration evaporator connecting tube 2, and insertion depth is 15-20mm.

In described nitrogen leakage detection process, in system, pour the drying nitrogen of 1.0-1.2Mpa.

The present invention is directed to the particular configuration of small-sized simple gate refrigerator and assembling requirement, the assembling process of small-sized simple gate refrigerator is further improved, substantially increase packaging efficiency and the qualification rate of small-sized simple gate refrigerator, simultaneously, have employed more scientific streamline assembling flow path, decrease refrigerator to assemble and occur that accident and causing rolls off the production line the probability processed, and uses manpower and material resources sparingly, reduces the cost of production.

Detailed description of the invention

Below in conjunction with specific embodiment, the present invention will be further described.

A kind of packaging technology of small-sized simple gate refrigerator, its method step is as follows:

S1 temperature controller component is pre-installed:

(1) self-inspection: a, self-inspection temp. controlling box presentation quality, qualified assembling; Whether b, self-inspection temperature controller illuminating lamp line large terminal be completely complete, without coming off; C, confirmation temperature controller brand, specification, qualified assembling;

(2) draw temperature-sensing pipe: put on one's gloves, with hands, the temperature-sensing pipe of temperature controller is stretched, carefully give a discount;

(3) lampshade, LED: a is installed, four on fixing for four on lampshade card alignment temperature control back cover front are installed in draw-in groove, snap fitted to position; B, LED is snapped fitted in the groove of the open and clear mouth of temp. controlling box inner face, snap fitted to position;

(4) temperature control turn knob is installed: temperature control turn knob is directed at the insertion of temperature controller spin axis and puts in place;

(5) temperature controller is installed: make the one of temperature controller terminal with ground face down, face up with the one of word, temperature control turn knob is snapped fitted in the knob installing hole of temperature controller box, make the screw hole on the screw hole alignment temp. controlling box on temperature controller both sides, fix it in position with two cross recess stainless steel self tapping screws, and knob is allocated to 4 grades, the instruction pin of alignment knob mounting groove;

(6) vanning: the temperature controller case assembly being pre-installed is put into Turnover Box, in order to installing and using;

S2 grafting temp. controlling box assembly:

(1) inserting temperature-sensing pipe: the temperature controller molectron being pre-installed is put into cold preservation inner bag, then arranged by temperature-sensing pipe and stretch, be inserted in temperature-sensing pipe conduit, insertion puts in place;

(2) wiring: a, large terminal and temp. controlling box assembly lamp connecting line large terminal being plugged in together, grafting puts in place, makes self-locking card buckle jail; B, heater terminals and large terminal grafting being plugged in together, grafting puts in place, makes hook hook; C, by temperature control line two-terminal insert temperature controller H end, terminal grafting puts in place; D, by compressor line two-terminal insert temperature controller C end, terminal grafting puts in place; E, by magnet-sensitive switch connecting line terminal insert temperature controller L end, terminal grafting puts in place; F, earth lead inserting temperature controller earth terminal, terminal grafting puts in place;

S3 fixes temp. controlling box assembly:

(1) fixing temperature controller case assembly: a, check that whether temperature controller line grafting correct, put in place, otherwise should by it, grafting be intact again on request; Then the binding post of temperature controller case assembly and strand are organized in the vacancy in temp. controlling box so that it is get out of the way screw fixed hole; B, pack on the stainless steel self tapping screw of 1 ST4.2x20 with 1 temp. controlling box retaining washer, screw is fixed on the screw hole place of box bottom middle position, the position of open and clear for temp. controlling box component bottom mouth is snapped fitted on the cushion block above tapping screw, snap fitted to position, it is fixed on the stainless steel self tapping screw of 2 ST4.2x20 again in the screw of both sides, temp. controlling box top, fix in position, makes temp. controlling box assembly and case inner bag in conjunction with intact, seamless;

(2) temperature control gear is checked: check that temperature control gear is whether on the gear of regulation, otherwise should be threaded on the gear of regulation;

(3) whether card door lamp switch: a, inspection door lamp switch line grafting put in place, again its grafting should be put in place as not in place, then be put in place by sheath set; B, make the binding post of door lamp switch upward, door lamp switch is installed in door lamp switch mounting groove, snaps fitted to position;

S4 installs refrigerating evaporator:

(1) self-inspection: the presentation quality of self-inspection refrigerating evaporator, without abrasion, deformation, fracture; Firm welding, white sprayed coating is without the defect such as coming off;

(2) inspection air pressure: two rubber blockings of the refrigerating evaporator that need to assemble being left behind with vice, check whether there is gas sprays, and goes out only small should being chosen without gas or gas, forbids to use;

(3) refrigerating evaporator: a is installed, refrigerating evaporator is installed on request refrigerating chamber, make each layer pipeline card of refrigerating evaporator be placed on refrigerating chamber inner bag rib; B, freezing evaporation tube import is connected with refrigeration evaporator connecting tube 1; Freezing evaporation tube outlet is connected with refrigeration evaporator connecting tube 2, and insertion depth is 15-20mm, and pipeline to be installed and to put in place;

(4) big freezing five take out, six take out vaporizer difference: a, big freezing five take out, six to take out vaporizer be five layers, five take out vaporizer from topmost one layer to the second layer distance than six take out between distance big, five take out and put a middle drawer between ground floor and the second layer and six to take out be to put a little drawer, and five distances taken out between bottom vaporizer ground floor and case gallbladder are less; B, the left and right sides, big household freezer gallbladder top are respectively arranged with three to install through holes to be mounted are five take out vaporizer, and a left and right sides laterally row is respectively arranged with three, and to install through holes to be mounted be six take out vaporizer;

S5 refrigerating evaporator welds:

(1) skill of knocking off backing plate: being placed on by two pieces of craftwork pad boards on freezing inner bag and vaporizer, card is put into position, makes two backing plates be placed on underface and the surface of two pads, to prevent from burning out inner bag and refrigerating evaporator;

(2) some rifle: first open acetylene, after open oxygen cylinder, then light welding gun with lighter, adjust flame to best;

(3) welding: a, heating frozen, refrigeration evaporator two connecting tube are interfaced to salmon pink, and temperature is about 700-800 DEG C, then puts welding rod rapidly and melts to two interface tube places, after welding rod is uniformly melting into around interface, withdrawn by flame rapidly, in order to avoid burning; B, welded after close welding gun, first close oxygen, close acetylene afterwards, with anti-backfire, per tour before leaving offices make sure to keep in mind close oxygen, acetylene cylinder;

(4) solder joint is checked: welded need and gone through around pad, the available small mirror reflection of light joint for pipe back side, check whether there is weldering leakage phenomenon, need repair welding at once if any weldering leakage;

S6 installs refrigerating evaporator panel, limited block:

(1) pipeline is arranged: dab totally with towel by the welding slag on refrigerating evaporator pad after waiting solder joint cooling, snap fitted on two pipelines respectively with two pipe boxes, exposed copper pipe road outside is completely covered, then refrigerating evaporator is shifted onto position, two connecting tubes are organized in the groove of freezing inner bag, arrangement puts in place, and carefully do not fracture capillary tube;

(2) presentation quality of dress refrigerating evaporator panel: a, self-inspection refrigerating evaporator panel, the defect such as crack-free, burr, deformation, variable color; B, face up smooth for vaporizer panel one, be installed on the evaporation tube of refrigerating evaporator every layer, snap fitted to position;

(3) presentation quality of dress refrigerating evaporator limited block: a, self-inspection refrigerating evaporator limited block, the defect such as limited block crack-free, burr, deformation, variable color; B, being stuck in by 8 refrigerating evaporator limited blocks on 4 groups of ribs that freezing inner bag is corresponding, make limited block positioning boss be stuck in the groove of freezing inner bag, panel two ends card is placed on the hook of limited block, snaps fitted to position;

(4) central sill snap-fastener, tree casing are installed: take a central sill snap-fastener, check for fracture, be pasted and fixed on the screw hole of central sill left end with 502 glue by central sill snap-fastener;

(5) fixing soft freezer drawer slide rail: with 3 ST4.2x12 cross recess big homalocephalus tapping screws, 4 slide rails are fixed in the installing hole that soft freezing chamber inner bag is corresponding respectively by technological requirement, then check whether slide rail tilts, as straight in tilted to be adjusted;

(6) fixing big freezer drawer slide rail: with 3 ST4.2x12 cross recess big homalocephalus tapping screws, 2 slide rails are fixed in the installing hole that big refrigerating chamber top inner bag is corresponding respectively on request, then check whether slide rail tilts, as straight in tilted to be adjusted;

S7 installs compressor:

(1) pre-install compressor damping pad: a, cut off the steel band on compressor package case with special vice or shears, take off packing crates; B, compressor is moved on to support foam edge, push down compressor with a hands, another hands takes 4 cushions and is stained with a little dish detergent at head, screw in bottom compressor respectively in 4 installing holes, screw-in puts in place, can be freely rotatable, does not topple over compressor during assembling;

(2) dress compressor: move up flat for the compressor being pre-installed cushion on the base plate of cartonning gas compressor room, make 4 fixing axles that 4 cushion endoporus align compressor bottom board put into and put in place;

(3) card compressor card: a, compressor card has one end of transverse holes snap on the fixing axle that compressor bottom board is inboard, snap into after thinner place outwards half-twist, longitudinal hole snapped on the fixing axle in outside, snap into thinner place equally; B, clamp the stator half-twist above compressor card with flat-nose pliers and block compressor card;

S8 installs top board:

(1) self-inspection: a, self-inspection top board presentation quality, qualified assembling; B, the outward appearance of self-inspection magnet-sensitive switch and performance quality, qualified assembling;

(2) magnet-sensitive switch is installed: universal meter is adjusted to warning gear, measure the line joint in the magnet-sensitive switch large terminal on casing top, the circuit whether break-make of detection box house, the normal universal meter of circuit will have the acoustic alarm prompting dripped, if circuit is abnormal or disconnects universal meter, without the acoustic alarm prompting dripped, should carrying out labelling if any underproof casing, to flow to maintenance thread etc. to be repaired, after detection is normal, the terminal of magnet-sensitive switch one is snapped in large terminal, snap fitted to position, magnet-sensitive switch is kept flat in magnet-sensitive switch box;

(3) screw is unloaded: the ST4.2x12 crossed pan head tapping screw criticized two of fixing postnotum and back connecting plate with pneumatic spiral shell takes off, and puts into reuse in box;

(4) installing top board: both hands hold up the top board that self-inspection is qualified, are installed in the top of corresponding series casing, and installation puts in place, and the hinged cover making top board anterior is buckled on hinge, buckle puts in place;

(5) fixing top board: top board is fixed on the position, hole that casing back is corresponding with upper front-axle beam with 8 ST4.2x12 cross recess big homalocephalus tapping screws, fix in position, carefully scratch casing;

(6) button top board button: taking in 8 screw mounting grooves at the top board top that 8 qualified top board buttons of self-inspection are arranged on, buckle puts in place;

S9 fills press adnexa:

(1) wiring: a, the blue line terminals of inner lead is plugged on the sub-inserted sheet of blue line terminals of power line, then the line terminals after docking is plugged on the binding post on the right side of trigger; B, press line being plugged into protector binding post, grafting puts in place;

(2) filling protector, trigger: a, be plugged on by the connection terminal of protector on the uppermost terminal of compressor, grafting puts in place, then puts in protector jump ring by protector card, and by compressor surface card on the compressor, grafting puts in place end face; B, by the two of trigger stomidiums, two binding posts being directed at below compressors insert and put in place;

(3) dead earth screw: a, by the earth lead of internal wiring and the earth lead two-terminal termination of power line and be close together, be fixed on the ground hole of compressor with a M4x8 brass screw; B, with a M4x8 brass screw, the earth lead of another termination on power line is fixed on the ground hole that compressor bottom board is corresponding;

(4) fixed power source line: with two ST4.2x12 cross recess big homalocephalus tapping screws, power line is fixed on two corresponding screw holes of compressor bottom board left end, fix in position;

(5) dress compressor wiring lid assembly: compressor wiring lid is buckled in the adnexa rosette place of compressor left end, and each line is organized in rosette, power line is made to draw from the opening position bottom rosette, then it is fixed on press with Clip Reed, fix in position, does not loosen;

S10 pipeline connects:

(1) plug is pulled out: pull out compressor and the rubber stopper of each pipe end with pliers;

(2) pipeline connects one: a, inserts in the Compressor Process mouth of pipe by process duct reaming one end; B, by dexter left condensing tube reaming one end be directed at the compressor air-discharging mouth of pipe insert, insertion depth is 10-12mm; By the left condensing tube of one end, left-hand side with right condensing tube reaming one end to connecting, insertion puts in place; C, by muffler pull-out arrange, alignment the compressor air suction mouth of pipe insert;

(3) pipeline connects two: a, uses diagonal cutting pliers to be cut off by the solder joint of capillary tube termination by technological requirement, makes that the capillary tube mouth of pipe is unobstructed, does not block, and Glabrous stings; B, by capillary tube on request on the filter be wound around 4-5 circle, then take off filter, making capillary tube is spring-like; C, pulling out the sealing-plug at filter two ends, inserted in macropore without one end of reaming by right-hand side condensing tube, insertion depth is 10-12mm, then by condensing tube one radian of upper bending mutually, it is prevented that pipeline comes off; D, capillary tube is inserted in filter other end aperture; Insertion depth is 12-15mm, then by capillary tube at the curved circular arc of filter head, it is prevented that pipeline comes off;

S11 pipeline welding (one):

(1) some rifle: first open acetylene before some rifle, then open oxygen cylinder, then light welding gun with lighter, adjusts flame to best;

(2) weld: a, heating pipe interface are to salmon pink, and temperature is about 700-800 DEG C, then rapidly welding rod is put and melt to two interface tube places, after welding rod is uniformly melting into around interface, rapidly flame is withdrawn, in order to avoid burning; B, as stated above successively will with lower pipe connection weld on; C, welded after close welding gun, first close oxygen, close acetylene afterwards, with anti-backfire, per tour before leaving offices make sure to keep in mind close oxygen, acetylene cylinder;

(3) solder joint is checked: welded need and gone through around pad, the available small mirror reflection of light joint for pipe back side, check whether there is weldering leakage phenomenon, need repair welding at once if any weldering leakage;

S12 nitrogen is found out and stopped:

(1) snap joint is connect: pull out rubbery stopper in refrigerator process duct, then 1 snap joint is inserted in process duct, insertion puts in place, check the sealing property of snap joint, finding that poorly sealed close choosing need to be changed sealing ring and pull out rubbery stopper in refrigerator process duct, be then inserted in process duct by 1 snap joint, insertion puts in place, check the sealing property of snap joint, it has been found that poorly sealed close choosing need to change sealing ring;

(2) nitrogen is beaten: nitrogen is quickly connect female and on Compressor Process pipe snap joint and links together, press off handle, in system, pour the drying nitrogen of about 1.0-1.2Mpa;

(3) finding out and stopping: be placed on before right condensing tube not flared end and the capillary tube mouth of pipe with hands, whether sensation has gas to go out, and as gone out without gas, then shows that weldering is stifled, maintenance of should rolling off the production line;

(4) venting: looked into stifled, pulled up and quickly meet mother, then pull up snap joint, bleed off the nitrogen in pipe-line system, then by rubber blocking strips;

S13 pipeline welding (two):

(1) some rifle: first open acetylene before some rifle, then open oxygen cylinder, then light welding gun with lighter, adjusts flame to best;

(2) welding: will weld with lower pipe connection successively as stated above;

(3) checking solder joint: close welding gun after having welded, first close oxygen, close acetylene afterwards, with anti-backfire, per tour is made sure to keep in mind to close oxygen, acetylene cylinder before leaving offices;

S14 nitrogen leakage detection:

(1) connecing snap joint: the process duct rubbery stopper pulling out on freezer compressor, be then inserted in process duct by 1 snap joint, insertion puts in place, checks the sealing property of snap joint, it has been found that poorly sealed close choosing need to change sealing ring;

(2) nitrogen is beaten: nitrogen is quickly connect female and on Compressor Process pipe snap joint and links together, press off handle, in system, pour the drying nitrogen of about 1.0-1.2Mpa;

(3) leakage detection: dip in appropriate suds uniform application respectively with hairbrush and, on each pad of compressor room and refrigerating chamber, check whether each pad has gas leak phenomenon, if any gas leakage point, need to indicate leak source on inspection merchandiser;

(4) venting: looked into leakage, pulled up and quickly meet mother, then pull up snap joint, bled off the nitrogen in pipe-line system, then by rubber blocking strips;

(5) pipeline is arranged: arrange each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to making each pipeline collide, pipe peak can not highlight postnotum peak and prevent resonance noise;

S15 evacuation:

(1) open vacuum pump: open vacuum pump, check that whether vacuum pump operating is normal, if any fault, should be turned off, carry out mark, report equipment portion for repairment;

(2) connecing fast kinetic head: pull out the rubber stopper of Compressor Process pipe, then 1 snap joint is plugged into pipeline termination, insertion puts in place, checks the sealing property of snap joint, it has been found that poorly sealed close should choose replacing seal washer;

(3) connect vacuum pump adapter: by female for quickly connecing on vacuum pump with near the process duct snap joint on the refrigerator of vacuum pump to connecting, insertion puts in place, and checks whether vacuum pump is opened;

(4) evacuated is checked: note at any time checking just in the steam vent exhaust condition of the vacuum pump of evacuation, as found to have evacuated more than 4,5 minutes, still emit white cigarette from the steam vent of vacuum pump, represent that refrigeration system has leakage part, this vacuum pump should be closed at once, and perform mark on this refrigerator inspection merchandiser, need to do over again and use drying nitrogen leakage detection;

(5) pulling out and quickly meet mother: after refrigerator has evacuated, that pulls out that refrigerator press process duct is connected with vacuum pump quickly meets mother, and is organized on the vacuum pump of correspondence by the mother that quickly connects of vacuum pump;

(6) pipeline is arranged: arrange each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to making each pipeline collide, peak can not highlight postnotum peak and prevent resonance noise;

(7) dress water spilage tray: two pieces of damping nozzle Buddhist nun's block doublings respectively are pasted onto water spilage tray two bottom sides;

S16 cooling medium charging:

(1) start: open coolant on request and rush note machine, exhaust equipment, check that whether equipment operation is normal, it is ensured that safety, normal operation;

(2) cooling medium charging: a, the product type that first will irrigate coolant injection rate set in coolant implanter by coolant injection rate parameter list; And accurate measurement; B, the filled rifle of coolant implanter is plugged in the snap joint of freezer compressor aeration pipe; C, pressing the injection button of filled rifle, coolant machine is automatically performed evacuation, refrigerant charging; After d, filled end, system display shows filled end; Then pulling up coolant injection rifle, hung on coolant machine private jack, coolant machine automatic filling is repeatedly performed evacuation, the balanced recycle of checkout facility allows at most 3 times, more than 3 times, unloads lower contact, and refrigerator rolls off the production line process;

(3) record: the coolant machine by platform record refrigerator shows initial vacuum value, equilibration times, pressure, temperature, set amount, school value etc. in " evacuating aeration log " table;

(4) metering: on time measure with school gas cylinder, under equipment normal operation, about 100 meterings once, as abnormal in discovering device can be measured at any time;

(5) safety: take care, it is prevented that coolant splash to eyes, on hand, to avoid cold injury, working region fire prevention, antistatic, nearby to have fire extinguisher etc. and fire fighting apparatus in most convenient place; Do not forget time next to close coolant bottle valve, liquid supply station gas valve;

S17 seals:

(1) some rifle: first open acetylene before some rifle, then open oxygen cylinder, then light welding gun with lighter, adjusts flame to best;

(2) soldering and sealing: a, preheating: by the process duct of the pre-thermocompressor of neutral flame; B, card soldering and sealing pincers: treat that process duct is micro-red, clamping from process duct solder joint 40-5mm place with soldering and sealing pincers; C, soldering and sealing: clamping a 30-40mm place preheating pipeline from soldering and sealing with neutral flame, treat that process duct is micro-red, with vice by disconnected for pipeline pincers, and turnover box is put in snap joint, then blow place with neutral flame heating, when pipeline is salmon pink, temperature is 700-800 DEG C, is put by low silver solder rapidly and melts to pipeline incision position, is uniformly covered with after whole fracture until welding rod, rapidly flame is withdrawn, in order to avoid burning; After d, soldering and sealing complete, take off soldering and sealing pincers, and clamp place with welding rod repair welding soldering and sealing; E, welded after close welding gun, first close oxygen, close acetylene afterwards, with anti-backfire;

(3) pipeline is arranged: the process duct after soldering and sealing being arranged to compressor room inboard, the process duct peak after shaping can not highlight postnotum peak;

S18 low pressure is hunted leak:

(1) debugging leak detector: leak detector plug is inserted in supply socket, power-on switchs, and debugs leak detector by leak detector operation instructions;

(2) low pressure is hunted leak: a, the use each pad of towelette wiping, removes the residue of face of weld, it is prevented that residue blocking leak detector sensor; B, casing door of refrigerator is opened, detection caput is placed in the connecting tube place of refrigerating evaporator, stop the 3-5 second, if leak source occurs in weld, instrument can send chimes of doom automatically, now should remove probe, probe is allowed to suck fresh air, carry out again confirming or moving waiting to examine to the next one after ann reset, generally in order to accurately judge leak source, it is necessary to repeatedly confirm 1-2 time; C, detection caput being placed in each pad place of press room, method of testing is ibid;

(3) pipeline is arranged: arranging each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to make each pipeline collide, pipeline peak can not highlight postnotum or compressor maximum outside diameter, it is prevented that produce resonance noise;

S19 high pressure is hunted leak:

(1) debugging leak detector: leak detector plug is inserted in supply socket, power-on switchs, and debugs leak detector by leak detector operation instructions;

(2) high pressure leak detection: a, the power line of the refrigerator of detection is inserted on streamline socket be energized; B, use towelette wiping high pressure pad, remove the residue of face of weld, it is prevented that residue blocking leak detector sensor; C, detection caput is placed in the left condensing tube in press room and press exhaustor pad, left and right condensing tube jointing soldering points, filter and right condensing tube, capillary weld point place, stop the 3-5 second, if there is leak source in weld, instrument can send chimes of doom automatically, now should remove probe, allowing probe suck fresh air, carry out again confirming or move after ann reset to next casing and wait to examine, general in order to accurately judge leak source, it is necessary to repeatedly to confirm 1-2 time;

(3) pipeline is arranged: arranging each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to make each pipeline collide, pipeline peak can not highlight postnotum or compressor maximum outside diameter, it is prevented that produce resonance noise;

(4) adhesion produces serial number: by the production serial number of respective model, it is pasted onto the lower left corner of corresponding model casing back on request, the left side making serial number is concordant with the inboard of right reinforcement plate, downside is concordant with the lower limb of postnotum, then is pasted onto by another serial number on compressor right-hand side lower position;

S20 security performance is tested:

(1) start: opening power, starts test equipment;

(2) arrange: enter test operation interface, choose test group, test parameter is configured by technical standard;

(3) plug-in test: by test equipment power line be inserted on main power socket, the power line of refrigerator is inserted on the power supply jack of test lead, the ground connection termination of test lead is connected on compression plate or the refrigeration pipe of casing, then presses test switch and start test;

(4) record: the refrigerator tested is carried out corresponding record according to the test result of display on equipment, by qualified casing at follow-up of quality list test item upper cover pass the seal, underproof casing is carried out mark after follow-up of quality list test item, and dated quality analysis reason, roll off the production line and reprocess;

(5) pipeline is arranged: arranging each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to make each pipeline collide, pipeline peak can not highlight postnotum or compressor maximum outside diameter, it is prevented that produce resonance noise;

S21 plug-in, put probe:

(1) casing is turned: forward the casing flowing to detection room to casing p-wire, make casing front just to probe suspension line;

(2) temperature controller is regulated: according to the rules temperature control turn knob is adjusted standard specified point;

(3) Tibetan probe is let cool: lain on the position bottom cold closet gallbladder by a probe, make probe be in the center of cold closet gallbladder;

(4) cryoprobe is put: the clip on popping one's head in, in the middle part of refrigerating evaporator middle level freezing evaporation tube, makes probe be in the geometric center position of refrigerating chamber;

(5) energising: connect refrigerator power supply, observes whether press works;

(6) close the door: whether a, observation illuminating lamp be bright, should carry out mark in the corresponding position of quality merchandiser as do not worked; Whether b, closedown cold preservation, freezing door body, have gap between inspection door strip of paper used for sealing and casing;

(7) three-door refrigerator probe is put: the operational approach that probe is put in a, three-door refrigerator cold preservation, freezing is the same with two refrigerator operation methods; B, by one probe lie on the position of the plane bottom soft household freezer gallbladder, make probe be in the center of soft household freezer gallbladder;

S22 refrigeration performance is tested:

(1) start: open host computer, starts test system, then chooses test station and test;

(2) thermometric: according to temperature curve and numerical comparatives examination criteria, coroner judges that whether refrigerator is qualified;

(3) judge: the refrigerator tested is carried out corresponding record, by the qualified casing test item upper cover pass the seal at quality merchandiser, underproof casing is carried out mark dated quality analysis reason, lower repetition measurement line or anti-revisionist line.

The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.

Claims (3)

1. the packaging technology of a small-sized simple gate refrigerator, it is characterised in that it is made up of following steps:

S1 temperature controller component is pre-installed:

(1) self-inspection: a, self-inspection temp. controlling box presentation quality, qualified assembling; Whether b, self-inspection temperature controller illuminating lamp line large terminal be completely complete, without coming off; C, confirmation temperature controller brand, specification, qualified assembling;

(2) temperature-sensing pipe is drawn: stretched by the temperature-sensing pipe of temperature controller, carefully give a discount;

(3) lampshade, LED are installed: LED snapped fitted in the groove of the open and clear mouth of temp. controlling box inner face;

(4) temperature control turn knob is installed: temperature control turn knob is directed at the insertion of temperature controller spin axis and puts in place;

(5) temperature controller is installed: snapped fitted to by temperature control turn knob in the knob installing hole of temperature controller box;

(6) vanning: the temperature controller case assembly being pre-installed is put into Turnover Box, in order to installing and using;

S2 grafting temp. controlling box assembly:

(1) temperature-sensing pipe is inserted: the temperature controller molectron being pre-installed is put into cold preservation inner bag, is then inserted in temperature-sensing pipe conduit;

(2) wiring: a, large terminal and temp. controlling box assembly lamp connecting line large terminal are plugged in together; B, heater terminals and large terminal grafting are plugged in together; C, by temperature control line two-terminal insert temperature controller H end; D, by compressor line two-terminal insert temperature controller C end; E, by magnet-sensitive switch connecting line terminal insert temperature controller L end; F, earth lead is inserted temperature controller earth terminal;

S3 fixes temp. controlling box assembly:

(1) fix temperature controller case assembly: a, whether correctly to check temperature controller line grafting, put in place, then the binding post of temperature controller case assembly and strand are organized in the vacancy in temp. controlling box; B, snap fitted on the cushion block above tapping screw with by the position of open and clear for temp. controlling box component bottom mouth, make temp. controlling box assembly and case inner bag in conjunction with intact;

(2) temperature control gear is checked: check that temperature control gear is whether on the gear of regulation;

(3) whether card door lamp switch: a, inspection door lamp switch line grafting put in place; B, door lamp switch is installed in door lamp switch mounting groove;

S4 installs refrigerating evaporator:

(1) self-inspection: the presentation quality of self-inspection refrigerating evaporator;

(2) inspection air pressure: check whether there is gas sprays;

(3) refrigerating evaporator: a is installed, makes each layer pipeline card of refrigerating evaporator be placed on refrigerating chamber inner bag rib; B, freezing evaporation tube import is connected with refrigeration evaporator connecting tube 1;

S5 refrigerating evaporator welds:

(1) skill of knocking off backing plate: two pieces of craftwork pad boards are placed on freezing inner bag and vaporizer;

(2) some rifle: first open acetylene, after open oxygen cylinder, then light welding gun with lighter;

(3) welding: a, heating frozen, refrigeration evaporator two connecting tube are interfaced to salmon pink, and temperature range is 700-800 DEG C, then puts welding rod rapidly and melts to two interface tube places, after welding rod is uniformly melting into around interface, withdrawn by flame rapidly; B, welded after close welding gun, first close oxygen, close acetylene afterwards;

(4) solder joint is checked: welded need and gone through around pad, the available small mirror reflection of light joint for pipe back side;

S6 installs refrigerating evaporator panel, limited block:

(1) pipeline is arranged: dab totally with towel by the welding slag on refrigerating evaporator pad after waiting solder joint cooling, snap fitted on two pipelines respectively with two pipe boxes;

(2) presentation quality of dress refrigerating evaporator panel: a, self-inspection refrigerating evaporator panel; B, face up smooth for vaporizer panel one, be installed on the evaporation tube of refrigerating evaporator every layer;

(3) presentation quality of dress refrigerating evaporator limited block: a, self-inspection refrigerating evaporator limited block; B, being stuck in by 8 refrigerating evaporator limited blocks on 4 groups of ribs that freezing inner bag is corresponding, make limited block positioning boss be stuck in the groove of freezing inner bag, panel two ends card is placed on the hook of limited block;

(4) central sill snap-fastener, tree casing are installed: take a central sill snap-fastener, check for fracture, be pasted and fixed on the screw hole of central sill left end with 502 glue by central sill snap-fastener;

(5) fixing soft freezer drawer slide rail: with 3 ST4.2x12 cross recess big homalocephalus tapping screws, 4 slide rails are fixed in the installing hole that soft freezing chamber inner bag is corresponding respectively by technological requirement;

(6) fixing big freezer drawer slide rail: with 3 ST4.2x12 cross recess big homalocephalus tapping screws, 2 slide rails are fixed in the installing hole that big refrigerating chamber top inner bag is corresponding respectively on request;

S7 installs compressor:

(1) pre-install compressor damping pad: a, cut off the steel band on compressor package case with special vice or shears, take off packing crates; B, compressor is moved on to support foam edge, push down compressor with one hands, another hands takes 4 cushions and is stained with a little dish detergent at head, respectively bottom compressor screw-in 4 installing holes in;

(2) dress compressor: move up on the base plate of cartonning gas compressor room by flat for the compressor being pre-installed cushion;

(3) card compressor card: a, compressor card has one end of transverse holes snap on the fixing axle that compressor bottom board is inboard, snap into after thinner place outwards half-twist, longitudinal hole snapped on the fixing axle in outside; B, clamp the stator half-twist above compressor card with flat-nose pliers and block compressor card;

S8 installs top board:

(1) self-inspection: a, self-inspection top board presentation quality; B, the outward appearance of self-inspection magnet-sensitive switch and performance quality;

(2) magnet-sensitive switch is installed: universal meter is adjusted to warning gear;

(3) screw is unloaded: the crossed pan head tapping screw criticized two of fixing postnotum and back connecting plate with pneumatic spiral shell takes off;

(4) top board is installed: both hands hold up the top board that self-inspection is qualified, are installed in the top of corresponding series casing;

(5) fixing top board: top board is fixed on the position, hole that casing back is corresponding with upper front-axle beam with 8 cross recess big homalocephalus tapping screws;

(6) button top board button: take in 8 screw mounting grooves at the top board top that 8 qualified top board buttons of self-inspection are arranged on;

S9 fills press adnexa:

(1) wiring: a, the blue line terminals of inner lead is plugged on the sub-inserted sheet of blue line terminals of power line, then the line terminals after docking is plugged on the binding post on the right side of trigger; B, press line is plugged into protector binding post;

(2) dress protector, trigger: a, the connection terminal of protector is plugged on the uppermost terminal of compressor, after protector card is put in protector jump ring, end face is by compressor surface card on the compressor; B, by the two of trigger stomidiums, two binding posts being directed at below compressors insert and put in place;

(3) dead earth screw: a, by the earth lead of internal wiring and the earth lead two-terminal termination of power line and be close together, be fixed on the ground hole of compressor with a brass screw; B, with a brass screw, the earth lead of another termination on power line is fixed on the ground hole that compressor bottom board is corresponding;

(4) fixed power source line: with two cross recess big homalocephalus tapping screws, power line is fixed on two corresponding screw holes of compressor bottom board left end, fix in position;

(5) dress compressor wiring lid assembly: compressor wiring lid is buckled in the adnexa rosette place of compressor left end, and each line is organized in rosette, power line is made to draw from the opening position bottom rosette, then it is fixed on press with Clip Reed, fix in position, does not loosen;

S10 pipeline connects:

(1) plug is pulled out: pull out compressor and the rubber stopper of each pipe end with pliers;

(2) pipeline connects one: a, inserts in the Compressor Process mouth of pipe by process duct reaming one end; B, by dexter left condensing tube reaming one end be directed at the compressor air-discharging mouth of pipe insert; By the left condensing tube of one end, left-hand side with right condensing tube reaming one end to connecting; C, by muffler pull-out arrange, alignment the compressor air suction mouth of pipe insert;

(3) pipeline connects two: a, uses diagonal cutting pliers to be cut off by the solder joint of capillary tube termination by technological requirement; B, by capillary tube on request on the filter be wound around 4-5 circle, then take off filter, making capillary tube is spring-like; C, pull out the sealing-plug at filter two ends, right-hand side condensing tube is inserted in macropore without one end of reaming, then by condensing tube one radian of upper bending mutually; D, capillary tube is inserted in filter other end aperture; Then by capillary tube at the curved circular arc of filter head;

S11 pipeline welding (one):

(1) some rifle: first open acetylene before some rifle, then open oxygen cylinder, then light welding gun with lighter, adjusts flame to best;

(2) weld: welding rod, to salmon pink, is then put rapidly and melted to two interface tube places, after welding rod is uniformly melting into around interface, withdrawn by flame rapidly by a, heating pipe interface; B, as stated above successively will with lower pipe connection weld on; C, welded after close welding gun, first close oxygen, close acetylene afterwards;

(3) solder joint is checked: welded need and gone through around pad, the available small mirror reflection of light joint for pipe back side, check whether there is weldering leakage phenomenon, need repair welding at once if any weldering leakage;

S12 nitrogen is found out and stopped:

(1) connecing snap joint: pull out rubbery stopper in refrigerator process duct, be then inserted in process duct by 1 snap joint, insertion puts in place, check the sealing property of snap joint, then being inserted in process duct by 1 snap joint, insertion puts in place, checks the sealing property of snap joint;

(2) nitrogen is beaten: nitrogen is quickly connect female and on Compressor Process pipe snap joint and links together, press off handle, in system, pour drying nitrogen;

(3) finding out and stopping: be placed on before right condensing tube not flared end and the capillary tube mouth of pipe with hands, whether sensation has gas to go out;

(4) venting: looked into stifled, pulled up and quickly meet mother, then pull up snap joint, bleed off the nitrogen in pipe-line system, then by rubber blocking strips;

S13 pipeline welding (two):

(1) some rifle: first open acetylene before some rifle, then open oxygen cylinder, then light welding gun with lighter, adjusts flame to best;

(2) welding: will weld with lower pipe connection successively as stated above;

(3) solder joint is checked: close welding gun after having welded, first close oxygen, close acetylene afterwards; S14 nitrogen leakage detection:

(1) connect snap joint: the process duct rubbery stopper pulling out on freezer compressor, then 1 snap joint is inserted in process duct, check the sealing property of snap joint;

(2) nitrogen is beaten: nitrogen is quickly connect female and on Compressor Process pipe snap joint and links together, press off handle, in system, pour drying nitrogen;

(3) leakage detection: dip in appropriate suds uniform application respectively with hairbrush and, on each pad of compressor room and refrigerating chamber, check whether each pad has gas leak phenomenon;

(4) venting: looked into leakage, pulled up and quickly meet mother, then pull up snap joint, bled off the nitrogen in pipe-line system, then by rubber blocking strips;

(5) pipeline is arranged: arrange each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to make each pipeline collide;

S15 evacuation:

(1) open vacuum pump: open vacuum pump, check whether vacuum pump operating is normal;

(2) connect fast kinetic head: pull out the rubber stopper of Compressor Process pipe, then 1 snap joint is plugged into pipeline termination, check the sealing property of snap joint;

(3) connect vacuum pump adapter: by female for quickly connecing on vacuum pump with near the process duct snap joint on the refrigerator of vacuum pump to connecting, and check whether vacuum pump is opened;

(4) evacuated is checked: note at any time checking just in the steam vent exhaust condition of the vacuum pump of evacuation

(5) pulling out and quickly meet mother: after refrigerator has evacuated, that pulls out that refrigerator press process duct is connected with vacuum pump quickly meets mother, and is organized on the vacuum pump of correspondence by the mother that quickly connects of vacuum pump;

(6) pipeline is arranged: arrange each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to make each pipeline collide;

(7) dress water spilage tray: two pieces of damping nozzle Buddhist nun's block doublings respectively are pasted onto water spilage tray two bottom sides;

S16 cooling medium charging:

(1) start: open coolant on request and rush note machine, exhaust equipment, check that whether equipment operation is normal;

(2) cooling medium charging: a, the product type that first will irrigate coolant injection rate set in coolant implanter by coolant injection rate parameter list; B, the filled rifle of coolant implanter is plugged in the snap joint of freezer compressor aeration pipe; C, pressing the injection button of filled rifle, coolant machine is automatically performed evacuation, refrigerant charging; After d, filled end, system display shows filled end; Then pull up coolant injection rifle, hung on coolant machine private jack;

(3) record: the coolant machine by platform record refrigerator shows initial vacuum value, equilibration times, pressure, temperature, set amount, school value in " evacuating aeration log " table;

(4) metering: on time measure with school gas cylinder;

(5) safety: nearby will have fire extinguisher etc. and fire fighting apparatus in most convenient place;

S17 seals:

(1) some rifle: first open acetylene before some rifle, then open oxygen cylinder, then light welding gun with lighter, adjusts flame to best;

(2) soldering and sealing: a, preheating: by the process duct of the pre-thermocompressor of neutral flame; B, card soldering and sealing pincers: treat that process duct is micro-red, clamping from process duct solder joint 40-5mm place with soldering and sealing pincers; C, soldering and sealing: clamping a 30-40mm place preheating pipeline from soldering and sealing with neutral flame, treat that process duct is micro-red, with vice by disconnected for pipeline pincers, and turnover box is put in snap joint, then blow place with neutral flame heating, when pipeline is salmon pink, temperature is 700-800 DEG C, rapidly low silver solder is put and melt to pipeline incision position, be uniformly covered with after whole fracture until welding rod, rapidly flame withdrawn; After d, soldering and sealing complete, take off soldering and sealing pincers, and clamp place with welding rod repair welding soldering and sealing; E, welded after close welding gun, first close oxygen, close acetylene afterwards;

(3) pipeline is arranged: the process duct after soldering and sealing arranged to compressor room inboard;

S18 low pressure is hunted leak:

(1) debugging leak detector: leak detector plug is inserted in supply socket;

(2) low pressure is hunted leak: a, the use each pad of towelette wiping; B, casing door of refrigerator is opened, detection caput is placed in the connecting tube place of refrigerating evaporator; C, detection caput is placed in each pad place of press room;

(3) pipeline is arranged: arrange each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to make each pipeline collide;

S19 high pressure is hunted leak:

(1) debugging leak detector: leak detector plug is inserted in supply socket;

(2) high pressure leak detection: a, the power line of the refrigerator of detection is inserted on streamline socket be energized; B, use towelette wiping high pressure pad; C, detection caput is placed in the left condensing tube in press room and press exhaustor pad, left and right condensing tube jointing soldering points, filter, condensing tube and capillary weld point place;

(3) pipeline is arranged: arrange each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to make each pipeline collide;

(4) adhesion produces serial number: by the production serial number of respective model, be pasted onto the lower left corner of corresponding model casing back on request;

S20 security performance is tested:

(1) start: opening power, starts test equipment;

(2) arrange: enter test operation interface, choose test group, test parameter is configured by technical standard;

(3) plug-in test: by test equipment power line be inserted on main power socket;

(4) record: the refrigerator tested is carried out corresponding record according to the test result of display on equipment;

(5) pipeline is arranged: arrange each pipeline, make the distance of interval more than 10mm between each pipeline, it is impossible to make each pipeline collide;

S21 plug-in, put probe:

(1) casing is turned: forward the casing flowing to detection room to casing p-wire;

(2) temperature controller is regulated: according to the rules temperature control turn knob is adjusted standard specified point;

(3) Tibetan probe is let cool: lie on the position bottom cold closet gallbladder by a probe;

(4) cryoprobe is put: the clip on popping one's head in is in the middle part of refrigerating evaporator middle level freezing evaporation tube;

(5) energising: connect refrigerator power supply, observes whether press works;

(6) close the door: whether a, observation illuminating lamp be bright; Whether b, closedown cold preservation, freezing door body, have gap between inspection door strip of paper used for sealing and casing;

S22 refrigeration performance is tested:

(1) start: open host computer, starts test system, then chooses test station and test;

(2) thermometric: according to temperature curve and numerical comparatives examination criteria, coroner judges that whether refrigerator is qualified;

(3) judge: the refrigerator tested is carried out corresponding record.

2. the packaging technology of a kind of small-sized simple gate refrigerator according to claim 1, it is characterised in that in described installation refrigerating evaporator process, freezing evaporation tube outlet is connected with refrigeration evaporator connecting tube 2, and insertion depth is 15-20mm.

3. the packaging technology of a kind of small-sized simple gate refrigerator according to claim 1, it is characterised in that in described nitrogen leakage detection process, pour the drying nitrogen of 1.0-1.2Mpa in system.