CN102252493A - Horizontal type freezer using plastic inner container and manufacturing process of plastic inner container thereof - Google Patents
Horizontal type freezer using plastic inner container and manufacturing process of plastic inner container thereof Download PDFInfo
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- CN102252493A CN102252493A CN 201110172139 CN201110172139A CN102252493A CN 102252493 A CN102252493 A CN 102252493A CN 201110172139 CN201110172139 CN 201110172139 CN 201110172139 A CN201110172139 A CN 201110172139A CN 102252493 A CN102252493 A CN 102252493A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/08—Deep drawing or matched-mould forming, i.e. using mechanical means only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/065—Details
- F25D23/066—Liners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/006—Using vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/44—Removing or ejecting moulded articles
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention discloses a horizontal type freezer using a plastic inner container and a manufacturing process of the plastic inner container thereof, aiming to solve the problems that the metal inner container has a complex moulding process and high cost; defrosting water easily flowing into the foam layer can affect the refrigeration performance and increase energy consumption; splicing lines affect appearance; the recovery period of materials is long and the utilization rate is zero; and inconsistent assembly batches and the like can affect the production efficiency and quality. The technical scheme of the invention is as follows: in the manufacturing process of the plastic inner container provided by the invention, the plastic inner container can be manufactured from correspondingly selected plates with different thicknesses according to the depths of different inner containers of the horizontal type freezer. The invention thoroughly improves the interior and exterior of the freezer body, greatly reduces the manufacturing cost and improves the production efficiency and quality; and meanwhile, the invention thoroughly bids farewell to the times using the metal inner container for the horizontal type freezer, fills in the gap of large depth blister for the horizontal type freezer and is a technological revolution for the freezer industry regarding to metal raw material resource shortage and even exhaustion at present and in the future.
Description
Technical field
The present invention relates to a kind of horizontal refrigerator product, the system technology of particularly a kind of big degree of depth horizontal refrigerator and inner bag thereof.
Background technology
In existing whole horizontal refrigerator product, comprise that the liner material of the freezing conversion cabinet of horizontal refrigerator, chest freezer, horizontal two warm cabinets and all horizontal refrigerator products is sheet metal all.Have plenty of numb line aluminium sheet, have plenty of corrosion resistant plate or other sheet metals.Adopt the metal inner tube technology to have following defective:
The first, at present, the metal inner tube that uses on the horizontal refrigerator product, mainly by two to three even multi-sheets spicing forming type more, its main technique flow process is as follows: 1) scale flitch material down; 2) shear, cut edge; 3) open technology groove; 4) flanging, flanging; 5) splicing; Its complex forming technology, there is waste in raw material, the defect ware rate is higher, finished product efficient is low, time-consuming, take a lot of work etc.
The second, the defrost water capacity easily flows into foaming layer by splicing line; When refrigerator was worked, in a single day the water in the foamed material froze, and can have a strong impact on refrigeration performance, and increase energy consumption;
The 3rd, outward appearance is difficult to control, and splicing line appears in splicing place, and dodges seam easily in splicing place, causes bad order.
The 4th, metal inner tube cycle aspect recycling is long, scraps in case occur the foaming casing in the manufacture process, and the secondary utilization rate of metal inner tube is almost nil;
The 5th, because batch otherness that exists on the technology when metal inner tube cooperates with a mouthful frame, the phenomenon big or littler than mouth frame can occur, cause mouthful frame to embrace problems such as fit clearance between courage or mouth frame and courage is bigger than normal during the assembling of metal inner tube and refrigerator mouth frame;
In sum, there is complex forming technology in metal inner tube, the manufacturing cost height; Defrost water easily flows into foaming layer, has a strong impact on refrigeration performance, and increases energy consumption; There is splicing line in outward appearance, influences attractive in appearance; Long and zero utilization rate of material recovery cycle; A series of defectives such as assembling is batch inconsistent have a strong impact on production rate and product quality.
Why the inner bag of product such as other refrigerator, refrigerator all has plastics, is only horizontal refrigerator all a metal inner tube? this is because horizontal refrigerator is bigger in the above-below direction degree of depth, in making inner bag technology, when the plastic uptake degree of depth during less than 500mm, this is to belong to common plastic uptake, the technological parameter of common plastic uptake is much simple relatively, rule of thumb be worth to set whole plastic uptake parameter substantially within 2 hours, and the inner bag product percent of pass of sucking-off is very high.When the plastic uptake degree of depth during more than or equal to 500mm, the manufacturing of plastics inner bag is difficulty very, if adopt conventional plastic uptake technological parameter to carry out plastic uptake, percent defective height not only, and because do not know to select the sort of specification plastic uptake sheet metal thickness, often use thicker sheet material, not only cause waste but also plastic uptake effect more undesirable.The adjusting of plastic uptake parameter and the selection of plastic uptake sheet metal thickness at this moment can not by virtue of experience be set again, and need through long-term test and exploration, the technological parameter that can grope to make new advances, work out the relation of the plastic plate thickness and the inner bag degree of depth, the necessary corresponding different sheet metal thickness of the promptly different inner bag degree of depth; Because increase along with sheet metal thickness, the equipment of plastic uptake heavy-gauge sheeting, technological problems, the capital changes the requirement whether plastic uptake equipment heating module for example can satisfy heavy-gauge sheeting thereupon, also has heating uniformity in addition, determining of every plastic uptake parameter, this all needs to take a long time and carries out research and discovery, and this also is that the horizontal refrigerator product uses metal inner tube and do not use the reason of plastics inner bag for a long time.So the existence of these factors has restricted the application of plastics inner bag on horizontal chest freezer.
Summary of the invention
One of purpose of the present invention is the design of carrying out in order to overcome above-mentioned defective, and a kind of horizontal refrigerator that uses the plastics inner bag is provided.
Two of purpose of the present invention is designs of carrying out in order to overcome above-mentioned defective, provides that a kind of inner bag moulding process is simple, the plastics inner bag manufacturing process of the horizontal refrigerator of low cost of manufacture, use plastics inner bag that the MAT'L recycling rate is high.
One of technical scheme of the present invention: a kind of horizontal refrigerator that uses the plastics inner bag, comprise refrigerator box body and inner bag, it is characterized in that: inner bag is the plastics inner bag of plastics sucking moulding, and the plastics inner bag is embedded in the refrigerator box body with different fit systems.
Described plastics inner bag and refrigerator box body mouth frame adopt the plane fit system, and the plastics inner bag is embedded in the refrigerator box body.
Described plastics inner bag and refrigerator box body mouth frame adopt the step fit system, and the plastics inner bag is embedded in the refrigerator box body.
Described plastics inner bag (2) adopts along the notch gravity direction fit system of plastics inner bag (2) with refrigerator box body mouth frame (1) with refrigerator box body mouth frame (1), and the plastics inner bag is embedded in the refrigerator box body.
Described plastics inner bag (2) adopts along the notch horizontal direction fit system of plastics inner bag (2) with refrigerator mouth frame (1) with refrigerator mouth frame (1), and the plastics inner bag is embedded in the refrigerator box body.
Two of technical scheme of the present invention: a kind of plastics inner bag manufacturing process of using the horizontal refrigerator of plastics inner bag, its technological process comprises:
1). the sheet material material loading
2). the plastic uptake preheating
3). the plastic uptake heating
4). plastics sucking moulding; Froth, vacuumize, the demoulding
5). cut edge
6). be shaped
It is characterized in that: it is the inner bag degree of depth different according to horizontal refrigerator that plastic plate is chosen, and correspondence is chosen the plastic plate of different-thickness.
The plastics inner bag manufacturing process of the horizontal refrigerator of aforesaid use plastics inner bag in its described plastic uptake preheating, plastic uptake heating, the plastics sucking moulding technology, is set the temperature and time of corresponding plastic uptake preheating, heating according to the sheet material of different-thickness; Froth time and pumpdown time.
When the plastics inner bag manufacturing process of the horizontal refrigerator of aforesaid use plastics inner bag, its described inner bag degree of depth were 500mm～600mm, the sheet metal thickness that correspondence is chosen was 3.8mm～4mm.
When the plastics inner bag manufacturing process of the horizontal refrigerator of aforesaid use plastics inner bag, its described sheet metal thickness were chosen 3.8mm～4mm, the plastic uptake preheating of setting in the technology, heating-up temperature were 170 ℃.
When the plastics inner bag manufacturing process of the horizontal refrigerator of aforesaid use plastics inner bag, its described sheet metal thickness were chosen 3.8mm～4mm, be 60 seconds～70 seconds heat time heating time.
When the plastics inner bag manufacturing process of the horizontal refrigerator of aforesaid use plastics inner bag, its described sheet metal thickness are chosen 3.8mm～4mm, when frothing for the first time the time of frothing be 2.5 seconds, the middle pause 0.5 second, the time of frothing is 1.7 seconds for the second time;
When the plastics inner bag manufacturing process of the horizontal refrigerator of aforesaid use plastics inner bag, its described sheet metal thickness are chosen 3.8mm～4mm, froth for the second time when vacuumizing finish after time-delay 4.3 seconds; The rapid vacuumizing time is 5 seconds, and vacuum reaches 0.08Mpa.
Beneficial effect of the present invention:
The present invention is according to different inner bag degree of depth requirements, and correspondence is chosen the plastic plate of different-thickness: set corresponding plastic uptake heating-up temperature according to the plastic plate of different-thickness, froth the time pumpdown time heat time heating time.Successfully solved long-term puzzlement horizontal refrigerator when the above-below direction degree of depth is big, the problem that the plastics inner bag can not be made.
1. because plastics inner bag of the present invention is whole plastic uptake one-shot forming, so do not exist splicing to influence problems such as attractive in appearance.Therefore, overcome the defective of metal inner tube moulding complexity and bad control, reduced manufacturing cost;
2. there is not the splicing line problem in the plastics inner bag owing to be whole plastic uptake one-shot forming, does not more exist the interior defrost water of case to flow into the problem that foaming layer influences refrigeration performance, increases energy consumption;
3. the one-time formed plastics inner bag of whole plastic uptake has then overcome the defective of former technology fully, as long as plate squeezing again after sheet material pulverized, and plastic uptake again just at once, material all reclaims, utilization rate a hundred per cent;
4. the plastics inner bag is that whole plastic uptake is one-time formed, and each compact dimensions is relatively stable, whenever produces the problem that does not have manufacturability batch difference and influence good looking appearance.
The present invention has improved outward appearance in the case, has reduced waste in process of production, has reduced cost, has improved production efficiency of products and product quality.
Use plastics inner bag alternative metals inner bag, make the horizontal refrigerator product thoroughly take leave of the epoch of using metal inner tube, filled up the blank of the big degree of depth plastic uptake of horizontal refrigerator, in the face of raw material metal resource scarcity and even exhausted today and future, the present invention has filled up the blank of the big degree of depth plastic uptake of horizontal refrigerator, will bring a field technology revolution to the horizontal refrigerator industry.
Description of drawings
Fig. 1 is the assembly structure schematic diagram of plastics inner bag of the present invention
Among Fig. 1: 1, refrigerator box body mouth frame; 2, plastics inner bag
Fig. 2 is a plastics inner bag of the present invention plane fit system enlarged drawing;
Fig. 3 is a plastics inner bag step fit system enlarged drawing;
Fig. 4 is a plastics inner bag notch gravity direction fit system enlarged drawing;
Fig. 5 is a plastics inner bag notch horizontal direction fit system enlarged drawing.
Fig. 6 is the plastic uptake technological forming station of the present invention action schematic diagram that froths
Fig. 7 is the action schematic diagram when vacuumizing
Fig. 8 is a demoulding action schematic diagram
Among Fig. 6-Fig. 8: 3, plastic plate; 4, plastics suction mould
The specific embodiment:
There is very big-difference with common plastic uptake (plastic uptake degree of depth 500mm is following) in big degree of depth plastic uptake (more than the plastic uptake degree of depth 500mm) at the industrialization manufacture view:
Common plastic uptake preheating and heating-up temperature, preheating and heat time heating time, vacuum, blow-time isoparametric be controlled at aspect the accuracy less demanding; And big degree of depth plastic uptake is very strict to the control of the parameters in the plastic uptake process.
The technological process of common plastic uptake does not have big degree of depth plastic uptake so strict aspect control, can be when plastic uptake according to actual conditions, under the situation that does not influence product quality, can delete some actions, such as common plastic uptake can omit preheating and directly enter heating station; And big degree of depth plastic uptake is except strict technological process, and any one inadvertent actuation in each station all might cause serious harm even scraps Blister product, more can not arbitrarily change or delete relative stations.
Big degree of depth plastic uptake is very high to technological parameter control, almost each parameter all needs to take much time and explores and study with energy, in addition, the whole plastic uptake parameter system of being made up of all technological parameters must be reasonable setting, science partner, and any mistake can not be arranged.
Big degree of depth plastic uptake is also more accurate to the requirement of plastics suction mould aspect, parameters such as its surface smoothness, pattern draft, circular arc chamfering, one suitable value must be arranged: circular arc chamfering especially, too greatly then influence the box house space, the too little plastic uptake technology of then giving has increased difficulty; In addition, the mould inside cooling water pipe is arranged also extremely important.
At the difference of common plastic uptake with big degree of depth plastic uptake, by long-term test with grope, the present invention has solved the key issue that big degree of depth plastic uptake product is made from following several respects respectively:
1. the relation of the different plastic uptake degree of depth and sheet metal thickness
The different plastic uptake degree of depth (the different horizontal chest freezer degree of depth) have been chosen following corresponding relation with plastic plate thickness:
2. the important parameter of plastics suction mould:
0.8
1). surface smoothness
2). 3～5 ° of pattern drafts
3). circular arc chamfering R10～R15
4). cooling system:
Owing to be big degree of depth plastic uptake, the cooling system of mould itself is vital.Cooling water pipe has adopted spiral layout water-cooling pattern (the spiral trend of water pipe layout path type spring), makes mould heat radiation itself even more and reliable.
3. plastic uptake equipment:
The 4 station high accuracy plastic uptake equipment that the present invention uses Anhui roc equipment Manufacturing Co., Ltd to produce, through the practice test, equipment satisfies the requirement of making big degree of depth plastic uptake product fully.
The embodiment 1 plastic uptake degree of depth (mm) is chosen dark 600mm
Station one: material loading: plastic plate thickness is 4mm, and sucker sucts Packing Machine with plastic plate and sends into Packing Machine preheating zone
Station two: preheating: preheat temperature is 170 ℃, and the time is 69 seconds
Station three: heating: heating-up temperature is 170 ℃, and the time is 70 seconds
Station four: moulding process such as Fig. 6～shown in Figure 8.
Froth: the time of frothing is 2.5 seconds for the first time, the middle pause 0.5 second, and the time of frothing is 1.7 seconds for the second time.
As shown in Figure 3, the action that froths that air carried out that makes progress that signal plastic plate (3) is blown from the vacuum eye of plastics suction mould (4).
Vacuumize: time-delay is 4.3 seconds after frothing and finish the second time; The rapid vacuumizing time is 6 seconds, and Fig. 4 is for vacuumizing action, and plastics suction mould rises, simultaneously vavuum pump heating of plastic sheet material (3) take away with the air between the plastics suction mould (4), and arrival vacuum is the requirement of 0.08Mpa.
The demoulding: after vacuum reaches 0.08Mpa, delayed time 5 seconds; Eliminate vacuum then, eliminating vacuum time is 2 seconds; Begin goods are carried out air-cooled, the air-cooled time is 52 seconds; Air-cooled finish 2 seconds after, from plastics suction mould vacuum eye, begin goods blowings is made goods and plastics suction mould disengaging, blow-time is 2 seconds, between the blow-period, in plastic uptake, move to direction with the goods disengaging, Fig. 5 is demoulding action, the signal cold air is blown into from the vacuum eye of plastics suction mould (4) between plastics suction mould (4) and the Blister product (3), it is the action that plastics suction mould and Blister product carry out the demoulding, simultaneously, plastics suction mould (4) begins to descend, when goods with after plastics suction mould separates fully, finish demoulding action.
3 ° of pattern drafts; Circular arc chamfering R10.
Through side cut, forming technology, promptly can be made into horizontal chest freezer plastics inner bag again.
Plastics inner bag of the present invention adopts that as above plastic uptake technology is Integratively formed.As shown in Figure 1, plastics inner bag (2) is embedded under the refrigerator box body mouth frame (1).When the present invention is applied on the horizontal refrigerator product, consider the fragility of plastics inner bag, can not as the common metal inner bag direct on the plastics inner bag assembling refrigeration system in most important parts-evaporimeter (assemble evaporimeter on freezer liner, industry inside is called " twining courage ").Therefore, twine the courage technology and seem particularly crucial, not only be related to yield rate, also be related to the problem of the refrigeration performance of Freezer Products own, if it is bad to twine courage, the refrigeration performance of refrigerator will be had a greatly reduced quality.In order to have twined evaporimeter, the present invention adopts the fixedly inner bag of mould that rises, and operation makes not cracky of plastics inner bag like this; And twining courage circular arc place increase arc chord angle ferropexy safeguard measure, in this way at the automatic enterprising line operate of machine for tangling internal bladder.So both can guarantee plastics inner bag yield rate, guarantee the up to standard of refrigeration performance again.
The fit system of plastics inner bag and refrigerator box body mouth frame is also most important.Plastics inner bag of the present invention mainly contains four kinds with the prescription formula of refrigerator box body mouth frame: 1. the plane cooperates; 2. step cooperates; 3. the notch gravity direction cooperates; 4. the notch horizontal direction cooperates.
As shown in Figure 2, plastics inner bag (2) adopts the plane fit system with refrigerator box body mouth frame (1) and plastics inner bag, and plastics inner bag (2) is embedded in the refrigerator box body.
As shown in Figure 3, plastics inner bag (2) adopts the step fit system with refrigerator box body mouth frame (1), and it is embedded in the refrigerator box body.
As shown in Figure 4, plastics inner bag (2) adopts the notch gravity direction fit system that prolongs plastics inner bag (2) and refrigerator box body mouth frame (1) with refrigerator mouth frame (1), and the plastics inner bag is embedded in the refrigerator box body.
As shown in Figure 5, plastics inner bag (2) adopts the notch horizontal direction fit system that prolongs plastics inner bag (2) and refrigerator box body mouth frame (1) with refrigerator mouth frame (1), and the plastics inner bag is embedded in the refrigerator box body.
By the test to the finished product model machine, refrigeration performance reaches the requirement of JB/T 7244 standards fully.
The embodiment 2 plastic uptake degree of depth (mm) are chosen dark 550mm
Station one: material loading: sheet metal thickness is 3.8mm, and sucker sucts Packing Machine with sheet material and sends into Packing Machine preheating zone
Station two: the preheating preheat temperature is 170 ℃, and the time is 64 seconds
Station three: the heating heating-up temperature is 170 ℃, and the time is 65 seconds
Station four: moulding process as shown in Figure 3-Figure 5.
Froth: the time of frothing is 2.5 seconds for the first time, the middle pause 0.5 second, and the time of frothing is 1.7 seconds for the second time
Vacuumize: time-delay is 4.3 seconds after frothing and finish the second time; The rapid vacuumizing time is 5 seconds, and vacuum reaches 0.08Mpa
The demoulding: after vacuum reaches 0.08Mpa, delayed time 5 seconds; Eliminate vacuum then, eliminating vacuum time is 2 seconds; Begin goods are carried out air-cooled, the air-cooled time is 49 seconds; Air-cooled finish 2 seconds after, from plastics suction mould vacuum eye, begin goods blowings is made goods and plastics suction mould disengaging, blow-time is 2 seconds, between the blow-period, the plastic uptake plastic uptake moves to the direction that breaks away from goods simultaneously, when goods with after plastics suction mould separates fully, finish demoulding action.
Pattern draft is 3 °; Circular arc chamfering R10; All the other are with embodiment 1.
Station one: material loading: sheet metal thickness is 3.8mm, and sucker sucts Packing Machine with sheet material and sends into Packing Machine preheating zone
Station two: the preheating preheat temperature is 170 ℃, and the time is 59 seconds
Station three: the heating heating-up temperature is 170 ℃, and the time is 60 seconds
Station four: moulding process as shown in Figure 3-Figure 5.
Froth: the time of frothing is 2.5 seconds for the first time, the middle pause 0.5 second, and the time of frothing is 1.7 seconds for the second time
Vacuumize: time-delay is 4.3 seconds after frothing and finish the second time; The rapid vacuumizing time is 5 seconds, and vacuum reaches 0.08Mpa
The demoulding: after vacuum reaches 0.08Mpa, delayed time 5 seconds; Eliminate vacuum then, eliminating vacuum time is 2 seconds; Begin goods are carried out air-cooled, the air-cooled time is 48 seconds; Air-cooled finish 2 seconds after, from plastics suction mould vacuum eye, begin goods blowings is made goods and plastics suction mould disengaging, blow-time is 2 seconds, between the blow-period, the plastic uptake plastic uptake moves to the direction that breaks away from goods simultaneously, when goods with after plastics suction mould separates fully, finish demoulding action.
Pattern draft is 5 °; Circular arc chamfering R15; All the other are with embodiment 1.
The present invention is used for the plastics inner bag manufacturing process of plastics liner horizontal refrigerator, when the plastic uptake degree of depth equals 600mm, has reached the limit of the plastic uptake technology plastic uptake degree of depth substantially, if want the plastic uptake degree of depth greater than 600mm, has been difficult to realize with present plastic uptake equipment and technology;
Above content is to further describing that the present invention did in conjunction with concrete optimal way; can not assert that concrete enforcement of the present invention only limits to these explanations; for the general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make many variations, simple deduction or replace; all should be considered as being included within the scope that these claims contain, belong to protection scope of the present invention.
Claims (12)
1. a horizontal refrigerator that uses the plastics inner bag comprises refrigerator box body and inner bag, it is characterized in that: inner bag is the plastics inner bag of plastics sucking moulding, and the plastics inner bag is embedded in the refrigerator box body with different fit systems.
2. the horizontal refrigerator of use plastics inner bag according to claim 1 is characterized in that described plastics inner bag and refrigerator box body mouth frame adopt the plane fit system, and the plastics inner bag is embedded in the refrigerator box body.
3. the horizontal refrigerator of use plastics inner bag according to claim 2 is characterized in that described plastics inner bag and refrigerator box body mouth frame and adopts the step fit system, and the plastics inner bag is embedded in the refrigerator box body.
4. the horizontal refrigerator of use plastics inner bag according to claim 3, it is characterized in that described plastics inner bag adopts the notch gravity direction fit system that prolongs plastics inner bag and refrigerator box body mouth frame in refrigerator box body mouth frame, is embedded in the plastics inner bag in the refrigerator box body.
5. the horizontal refrigerator of use plastics inner bag according to claim 4, it is characterized in that described plastics inner bag and refrigerator box body mouth frame adopt the notch horizontal direction fit system that prolongs plastics inner bag and refrigerator box body mouth frame, are embedded in the plastics inner bag in the refrigerator box body.
6. plastics inner bag manufacturing process of using the horizontal refrigerator of plastics inner bag, its technological process comprises:
1). the sheet material material loading
2). the plastic uptake preheating
3). the plastic uptake heating
4). plastics sucking moulding; Froth, vacuumize, the demoulding
5). cut edge;
6). be shaped
It is characterized in that: it is the inner bag degree of depth different according to horizontal refrigerator that sheet material is chosen, and correspondence is chosen the sheet material of different-thickness.
7. the plastics inner bag manufacturing process of the horizontal refrigerator of use plastics inner bag according to claim 6, it is characterized in that setting the temperature and time of corresponding plastic uptake preheating, heating according to the sheet material of different-thickness in described plastic uptake preheating, plastic uptake heating, the plastics sucking moulding technology; Froth time and pumpdown time.
8. the plastics inner bag manufacturing process of the horizontal refrigerator of use plastics inner bag according to claim 6 is characterized in that the described inner bag degree of depth is 500mm～600mm, and the sheet metal thickness that correspondence is chosen is 3.8mm～4mm.
9. according to claim 7 or the 8 described plastics inner bag manufacturing process that are used in the horizontal refrigerator of plastics inner bag, when it is characterized in that described sheet metal thickness is chosen 3.8mm～4mm, the plastic uptake preheating of setting in the technology, heating-up temperature are 170 ℃.
10. according to the plastics inner bag manufacturing process of the horizontal refrigerator of claim 7 or 8 described use plastics inner bags, when it is characterized in that described sheet metal thickness is chosen 3.8mm～4mm, be 60 seconds～70 seconds heat time heating time.
11. plastics inner bag manufacturing process according to the horizontal refrigerator of claim 7 or 8 described use plastics inner bags, when it is characterized in that described sheet metal thickness is chosen 3.8mm～4mm, when frothing for the first time the time of frothing be 2.5 seconds, the middle pause 0.5 second, the time of frothing is 1.7 seconds for the second time;
12. according to the plastics inner bag manufacturing process of the horizontal refrigerator of claim 7 or 8 described use plastics inner bags, when it is characterized in that described sheet metal thickness is chosen 3.8mm～4mm, froth for the second time when vacuumizing finish after time-delay 4.3 seconds; The rapid vacuumizing time is 5～6 seconds, and vacuum reaches 0.08Mpa.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110172139 CN102252493A (en) | 2011-06-24 | 2011-06-24 | Horizontal type freezer using plastic inner container and manufacturing process of plastic inner container thereof |
| PCT/CN2011/078230 WO2012174779A1 (en) | 2011-06-24 | 2011-08-10 | Chest freezer using plastic inner container and plastic inner container manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110172139 CN102252493A (en) | 2011-06-24 | 2011-06-24 | Horizontal type freezer using plastic inner container and manufacturing process of plastic inner container thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102252493A true CN102252493A (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110172139 Pending CN102252493A (en) | 2011-06-24 | 2011-06-24 | Horizontal type freezer using plastic inner container and manufacturing process of plastic inner container thereof |
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| CN (1) | CN102252493A (en) |
| WO (1) | WO2012174779A1 (en) |
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| CN102679674A (en) * | 2012-05-11 | 2012-09-19 | 海尔集团公司 | Refrigerator liner structure and manufacturing method thereof |
| CN103398532A (en) * | 2013-08-15 | 2013-11-20 | 合肥华凌股份有限公司 | freezer |
| CN103954094A (en) * | 2014-04-30 | 2014-07-30 | 广东奥马电器股份有限公司 | Refrigerator structure |
| CN104275794A (en) * | 2014-09-22 | 2015-01-14 | 合肥维博自动化科技有限公司 | Energy-saving control method of efficient and energy-saving single-station vacuum plastic sucking machine |
| CN106052247A (en) * | 2016-08-04 | 2016-10-26 | 六安索伊电器制造有限公司 | Efficient refrigerator assembling and manufacturing technology |
| CN106288622A (en) * | 2016-08-04 | 2017-01-04 | 六安索伊电器制造有限公司 | A kind of refrigerator foam manufacture method |
| CN107631540A (en) * | 2017-09-06 | 2018-01-26 | 合肥华凌股份有限公司 | The manufacture method of case inner bag, refrigerating equipment and case inner bag |
| CN111102778A (en) * | 2019-12-30 | 2020-05-05 | 长虹美菱股份有限公司 | Novel frostless refrigerator |
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| GB1098447A (en) * | 1965-11-24 | 1968-01-10 | American Motors Corp | Foam insulation cabinet construction |
| US4826040A (en) * | 1987-07-31 | 1989-05-02 | White Consolidated Industries, Inc. | Refrigeration cabinet construction |
| US5368381A (en) * | 1993-02-09 | 1994-11-29 | Maytag Corporation | Refrigerator cabinet construction |
| CN1116573C (en) * | 2000-08-01 | 2003-07-30 | 广东科龙电器股份有限公司 | Manufacture of refrigerator door plank |
| CN201545346U (en) * | 2009-10-24 | 2010-08-11 | 晏学涛 | Heat insulating cabinet |
-
2011
- 2011-06-24 CN CN 201110172139 patent/CN102252493A/en active Pending
- 2011-08-10 WO PCT/CN2011/078230 patent/WO2012174779A1/en active Application Filing
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679674A (en) * | 2012-05-11 | 2012-09-19 | 海尔集团公司 | Refrigerator liner structure and manufacturing method thereof |
| CN103398532A (en) * | 2013-08-15 | 2013-11-20 | 合肥华凌股份有限公司 | freezer |
| CN103398532B (en) * | 2013-08-15 | 2016-04-27 | 合肥华凌股份有限公司 | Refrigerator |
| CN103954094A (en) * | 2014-04-30 | 2014-07-30 | 广东奥马电器股份有限公司 | Refrigerator structure |
| CN104275794A (en) * | 2014-09-22 | 2015-01-14 | 合肥维博自动化科技有限公司 | Energy-saving control method of efficient and energy-saving single-station vacuum plastic sucking machine |
| CN106052247A (en) * | 2016-08-04 | 2016-10-26 | 六安索伊电器制造有限公司 | Efficient refrigerator assembling and manufacturing technology |
| CN106288622A (en) * | 2016-08-04 | 2017-01-04 | 六安索伊电器制造有限公司 | A kind of refrigerator foam manufacture method |
| CN107631540A (en) * | 2017-09-06 | 2018-01-26 | 合肥华凌股份有限公司 | The manufacture method of case inner bag, refrigerating equipment and case inner bag |
| CN107631540B (en) * | 2017-09-06 | 2021-03-30 | 合肥华凌股份有限公司 | Box liner, refrigeration equipment and manufacturing method of box liner |
| CN111102778A (en) * | 2019-12-30 | 2020-05-05 | 长虹美菱股份有限公司 | Novel frostless refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012174779A1 (en) | 2012-12-27 |
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Application publication date: 20111123 |