CN108216943A - A kind of good cool-bag preparation method of air-tightness and its cool-bag of preparation - Google Patents
A kind of good cool-bag preparation method of air-tightness and its cool-bag of preparation Download PDFInfo
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- CN108216943A CN108216943A CN201711482309.9A CN201711482309A CN108216943A CN 108216943 A CN108216943 A CN 108216943A CN 201711482309 A CN201711482309 A CN 201711482309A CN 108216943 A CN108216943 A CN 108216943A
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- shell
- low temperature
- cool
- seal layer
- bag
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3837—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a bottle, jar or like container
- B65D81/3841—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a bottle, jar or like container formed with double walls, i.e. hollow
Abstract
The invention discloses a kind of good cool-bag preparation method of air-tightness and its cool-bags of preparation, prepare auxiliary member, auxiliary member stacks for low temperature seal layer and high temperature coating and is welded to each other what is formed, low temperature seal layer by melting temperature can molten metal be made, high temperature coating by melting temperature will not molten metal be made；Corner location in the inside of the shell of cool-bag fixes auxiliary member.Entire low temperature seal layer is sealed between corner location inside of the housing and high temperature coating, so as to which high temperature coating is close to always with low temperature seal layer under the effect of gravity, the generation of Crack prevention；Only need the corner location inside of the housing by auxiliary member fixation, you can avoid low temperature seal layer in fusion process with high temperature cover layer separates, edge and shell without high temperature coating weld；It is set to internal auxiliary member not touch directly in an impact, it is not easy to touch off, therefore be not easy the vacuum leak caused by collision.
Description
Technical field
The present invention relates to the good cool-bag preparation method in vacuum heat-insulating container field more particularly to a kind of air-tightness and its
The cool-bag of preparation.
Background technology
Existing anury vacuum heat-insulating container manufacturing method is in the bottom of container body, using glass cement in container body
Outside carry out blocking cavity, be metal material however, as container body, and glass cement is nonmetallic materials, therefore glass cement
With the degrees of fusion and degree of adhesion of container body and bad, and glass cement easily splits due to high temperature or vibrations, uses for a long time
Glass cement is easily fallen afterwards, and air enters incubation cavity, and vacuum heat-insulating container is caused not keep the temperature, so that vacuum heat-insulating container
Service life greatly shortens.If changing glass cement into low-temperature metal material, when vacuumizing heating, low-temperature metal material is easy
Aoxidize and crack gap, so as to cause leakage problem, poor air-tightness.
Invention content
It is an object of the invention to propose the cool-bag of a kind of good cool-bag preparation method of air-tightness and its preparation,
Low temperature seal layer is not easy to aoxidize when vacuumizing and crack the leakage problem caused by gap, improves yield rate and airtight
Property.
For this purpose, the present invention uses following technical scheme：
A kind of good cool-bag preparation method of air-tightness, the cool-bag be the shell that is made of metal and inner casing it
Between vacuumize the cool-bag to be formed, the incubation cavity of the vacuum of sealing is formed between the shell and inner casing, is included the following steps：
Step A, prepares auxiliary member, and the auxiliary member stacks for low temperature seal layer and high temperature coating and is welded to each other shape
Into, the low temperature seal layer is made by molten metal in melting temperature, and the high temperature coating is by the melting
During temperature will not molten metal be made；
Step B, the corner location in the inside of the shell of cool-bag fix the auxiliary member, and the low temperature seal
Layer is towards the shell, so as to which the low temperature seal layer is fixed between the high temperature coating and shell；
Step C drills out gas vent through the auxiliary member and shell；
The inner casing is mounted in the shell by step D, so as to form the incubation cavity between shell and inner casing；
Step E makes the low temperature seal layer under, then the high temperature coating is placed the cool-bag upper
In evacuated chamber, it is true so as to be taken out the incubation cavity by the gas vent that the evacuated chamber gradually tends to vacuum state
It is empty；
The temperature of the evacuated chamber is gradually risen to the melting temperature simultaneously, the low temperature seal layer melted by heat and
Flowing is until seal the gas vent, so as to which the cool-bag be made.
Preferably, the low temperature seal layer is metal material of the fusing point at 200 DEG C~1200 DEG C；
The high temperature coating is titanium or stainless steel；
The shell is titanium or stainless steel；
The melting temperature of the step E is no more than 1200 DEG C.
Preferably, in the step B, the corner location in the inside of the bottom of the shell of cool-bag fixes the auxiliary
Part, the low temperature seal layer is towards the bottom of the shell, so as to which the low temperature seal layer is fixed on high temperature coating and shell
Between；
In the step E, the bottom of the shell is placed in evacuated chamber facing downward.
Preferably, in the step B, the corner location in the inside of the side wall of the shell of cool-bag fixes the auxiliary
Part, the low temperature seal layer towards the shell side wall, so as to the low temperature seal layer fix high temperature coating and shell it
Between；
In the step E, it is true that the side for being welded with the auxiliary member of the side wall of the shell is placed on to pumping facing downward
In in empty room.
Preferably, in the step B, the corner location in the inside at the top of the shell of cool-bag fixes the auxiliary
Part, the low temperature seal layer towards the top of the shell, so as to the low temperature seal layer fix high temperature coating and shell it
Between；
It, will be in being placed in evacuated chamber top down of the shell in the step E.
Preferably, the cool-bag prepared using the good cool-bag preparation method of the air-tightness：
The cool-bag is to vacuumize the cool-bag to be formed, the shell between the shell and inner casing being made of metal
The incubation cavity of the vacuum of sealing is formed between inner casing；
The corner location of the inside of the shell is fixed with the auxiliary member, the low temperature seal layer towards the shell,
So as to which the low temperature seal layer is fixed between the high temperature coating and shell；
The shell is equipped with the gas vent, and the auxiliary member covers the gas vent, and the low temperature seal layer is close
Seal the gas vent.
Preferably, the auxiliary member is set to the incubation cavity, and the auxiliary member is fixed on the edge of the bottom of shell, and
And the inner surface of the low temperature seal layer and shell is close to；The auxiliary member covers the gas vent, and the low temperature seal layer is close
Seal the gas vent.
Preferably, the bottom of the shell is equipped with exhaust groove, and the exhaust groove protrudes from inside to outside, the shell
Gas vent is set to the exhaust groove；
The auxiliary member is fixed in the exhaust groove, and the low temperature seal layer seals the gas vent.
Preferably, the auxiliary member is set to the vacuum heat-preserving chamber, and the top of the shell is equipped with opening, the opening
Bending, the opening are equipped with gas vent, and the auxiliary member is fixed on the opening of shell, and the auxiliary member covers the gas vent,
The low temperature seal layer is arranged between high temperature coating and opening, and the low temperature seal layer seals the gas vent.
Preferably, the side wall of the shell is equipped with exhaust groove, and the exhaust groove protrudes from inside to outside, the shell
Gas vent is set to the exhaust groove；
The auxiliary member is fixed on the exhaust groove, and the high temperature coating of the auxiliary member covers on the inside of the shell
The entire exhaust groove of lid, the low temperature seal layer seal the gas vent.
In the good cool-bag preparation method of the air-tightness, the corner location in the inside of the shell of the cool-bag
The fixed auxiliary member, fixed form can be welding, adherency etc., and the auxiliary member is welded by low temperature seal layer and high temperature coating
It forms.When heating vacuumizes, the side for being welded with the auxiliary member of the cool-bag is vacuumized facing downward, makes institute
It states after incubation cavity exhausts vacuum, is gradually heated to the melting temperature, low temperature seal layer fusing and under the effect of gravity in high temperature
It is flowed between coating and the corner location of shell, so as to which the low temperature seal layer of fusing blocks gas vent, then cold
But to room temperature low temperature seal layer is cured, so as to which the cool-bag of vacuum heat-preserving be made.The cool-bag can be that vacuum is protected
Warm bottle, vacuum cup and vacuum heat-preserving box etc. can be used high vacuum brazing equipment and vacuumized.
The short slab of cool-bag sealing effect is unpredictable caused by phase transformation of the low temperature seal layer in fusion process
Potential crack, once cracking, incubation cavity reconditely can gradually lose vacuum effectiveness.The present invention is in the outside of low temperature seal layer
In addition the high temperature coating for not generating phase transformation in the melting temperature is provided with, entire low temperature seal layer is sealed in shell
Between the corner location of inside and high temperature coating, so as to the high temperature coating under the effect of gravity always with low temperature seal layer
It is close to, the generation of Crack prevention；
And procedure of processing is few, it is only necessary to by the corner location of auxiliary member fixation inside of the housing, you can avoid low temperature close
With high temperature cover layer separates in fusion process, edge and shell without high temperature coating weld sealing；
The gas vent is all offered on the shell and high temperature coating, the phase transformation of the low temperature seal layer can seal two
A gas vent, the two aspirating holes, which have any one to be enclosed, can reach thorough vacuum sealing effect, so as to cool-bag
Vacuum leak probability substantially reduce, yield rate higher, product is more durable；
Since auxiliary member is set to the inside (i.e. in incubation cavity) of shell, the manufactured cool-bag is not visible from outside
The position of auxiliary member, it is more aesthetically pleasing；And it is set to internal auxiliary member and does not touch directly in an impact, it is not easy to it touches off, because
This is not easy the vacuum leak caused by collision.
Therefore, what prepared by the present invention is a new-type cool-bag, and the auxiliary member for blocking gas vent is different with two layers
Metal (low temperature seal layer and high temperature coating), block gas vent is that layer of metal that can be melted in the melting temperature, separately
One layer of metal will not then be melted in the melting temperature.
Description of the drawings
The present invention will be further described for attached drawing, but the content in attached drawing does not form any limitation of the invention.
Fig. 1 is the cool-bag internal structure schematic diagram of the one of embodiment of the present invention；
Fig. 2 is that the bottom of the one of embodiment of the present invention vacuumizes flow chart；
Fig. 3 is the cool-bag internal structure schematic diagram of the one of embodiment of the present invention；
Fig. 4 is that the bottom of the one of embodiment of the present invention vacuumizes flow chart；
Fig. 5 is that the bottom of the one of embodiment of the present invention vacuumizes flow chart；
Fig. 6 is that the bottom of the one of embodiment of the present invention vacuumizes flow chart；
Fig. 7 is the cool-bag internal structure schematic diagram of the one of embodiment of the present invention；
Fig. 8 is to vacuumize flow chart at the top of the one of embodiment of the present invention；
Fig. 9 is to vacuumize flow chart at the top of the one of embodiment of the present invention；
Figure 10 is to vacuumize flow chart at the top of the one of embodiment of the present invention；
Figure 11 is that the side wall of the one of embodiment of the present invention vacuumizes pre-structure figure；
Figure 12 is that the side wall of the one of embodiment of the present invention vacuumizes rear structure chart；
Figure 13 is that the side wall of the one of embodiment of the present invention vacuumizes pre-structure figure；
Figure 14 is that the side wall of the one of embodiment of the present invention vacuumizes rear structure chart.
Wherein：Auxiliary member 1；Low temperature seal layer 11；High temperature coating 12；Shell 2；Inner casing 3；Incubation cavity 4；Gas vent 13；
Exhaust groove 21；Opening 22.
Specific embodiment
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
The good cool-bag preparation method of the air-tightness of the present embodiment, as shown in Figure 1, the cool-bag is by made of metal
Into shell 2 and inner casing 3 between vacuumize the cool-bag to be formed, the vacuum of sealing is formed between the shell 2 and inner casing 3
Incubation cavity 4, includes the following steps：
Step A, prepares auxiliary member 1, and the auxiliary member 1 stacks mutually for low temperature seal layer 11 and high temperature coating 12
Welding formed, the low temperature seal layer 11 by melting temperature can molten metal be made, the high temperature coating 12 by
In the melting temperature will not molten metal be made；
Step B, the corner location in the inside of the shell 2 of cool-bag fix the auxiliary member 1, and the low temperature is close
Sealing 11 is towards the shell 2, so as to which the low temperature seal layer 11 is fixed between the high temperature coating 12 and shell 2；
Step C drills out gas vent 13 through the auxiliary member 1 and shell 2；
The inner casing 3 is mounted in the shell 2 by step D, so as to form the heat preservation between shell 2 and inner casing 3
Chamber 4；
Step E makes the low temperature seal layer 11 under, and the high temperature coating 12 is upper, then by the cool-bag
Be placed in evacuated chamber, the evacuated chamber gradually tend to vacuum state so as to by the gas vent 13 by the incubation cavity
4 vacuumize；
The temperature of the evacuated chamber is gradually risen to the melting temperature, 11 melted by heat of low temperature seal layer simultaneously
And it flows until the gas vent 13 is sealed, so as to which the cool-bag be made.
In the good cool-bag preparation method of the air-tightness, in the turning of the inside of the shell 2 of cool-bag position
The fixed auxiliary member 1 is put, fixed form can be welding, adherency etc., and the auxiliary member 1 is covered by low temperature seal layer 11 and high temperature
Layer 12 is welded.When heating vacuumizes, the side for being welded with the auxiliary member 1 of the cool-bag is taken out facing downward
Vacuum after the incubation cavity 4 is made to exhaust vacuum, is gradually heated to the melting temperature, and low temperature seal layer 11 melts and in gravity
It is flowed between the corner location of high temperature coating 12 and shell 2 under effect, so as to 11 couples of row of low temperature seal layer of fusing
Stomata 13 is blocked, and is cooled to room temperature so that low temperature seal layer 11 cures, so as to which the cool-bag of vacuum heat-preserving be made.Institute
It can be Vacuum insulation bottle, vacuum cup and vacuum heat-preserving box etc. to state cool-bag, and high vacuum brazing equipment can be used and taken out
Vacuum.
The short slab of cool-bag sealing effect is unexpected caused by phase transformation of the low temperature seal layer 11 in fusion process
Potential crack, once cracking, incubation cavity 4 can reconditely gradually lose vacuum effectiveness.The present invention is in low temperature seal layer 11
Outside be in addition provided with and do not generate the high temperature coating 12 of phase transformation in the melting temperature, entire low temperature seal layer 11 is close
It is enclosed between the corner location of the inside of shell 2 and high temperature coating 12, thus the high temperature coating 12 under the effect of gravity
Always it is close to low temperature seal layer 11, the generation of Crack prevention；
And procedure of processing is few, it is only necessary to auxiliary member 1 is fixed on to the corner location of the inside of shell 2, you can avoid low temperature
Sealant 11 detaches in fusion process with high temperature coating 12, and the edge and shell 2 without high temperature coating 12 weld；
The gas vent 13, the phase transformation of the low temperature seal layer 11 are all offered on the shell 2 and high temperature coating 12
Two gas vents 13 can be sealed, the two aspirating holes 13, which have any one to be enclosed, can reach thorough vacuum sealing effect,
It is substantially reduced so as to the vacuum leak probability of cool-bag, yield rate higher, product is more durable；
Since auxiliary member 1 is set to the inside (i.e. in incubation cavity 4) of shell 2, the manufactured cool-bag is externally
It is more aesthetically pleasing less than the position of auxiliary member 1；And it is set to internal auxiliary member 1 and does not touch directly in an impact, it is not easy to touches
Fall, therefore be not easy the vacuum leak caused by collision.
Therefore, what prepared by the present invention is a new-type cool-bag, and blocking the auxiliary member 1 of gas vent 13 has two layers of difference
Metal (low temperature seal layer 11 and high temperature coating 12), it is that layer that can be melted in the melting temperature to block gas vent 13
Metal, another layer of metal will not then be melted in the melting temperature.
Preferably, the low temperature seal layer 11 is metal material of the fusing point at 200 DEG C~1200 DEG C；
The high temperature coating 12 is titanium or stainless steel；
The shell 2 is titanium or stainless steel；
The melting temperature of the step E is no more than 1200 DEG C.
The low temperature seal layer 11 be metal material of the fusing point at 200 DEG C~1200 DEG C, the low temperature seal layer of metal material
11 compare with solid glass glue, not easily broken, and intensity is high and is all that the degrees of fusion of the shell 2 of metal material more preferably is not easy to take off
It falls；Preferably, the low temperature seal layer 11 is prepared using aluminium alloy or copper alloy.The fusing point of aluminium alloy is 500 DEG C~700
In the range of DEG C, for the fusing point of copper alloy in the range of 800 DEG C~900 DEG C, melting temperature is moderate and is all the shell 2 of metal material
Degrees of fusion it is more preferable and not easily to fall off.
Identical metal material can be used in the high temperature coating 12 and the shell 2, and different metal materials can also be used
Material.The fusing point of titanium is 1668 DEG C, and the fusing point of stainless steel is also at 1200 DEG C or more, therefore the fusing point of titanium and stainless steel is equal
Higher than low temperature seal layer 11, when the fusing point of low temperature seal layer 11 has arrived at, low temperature seal layer 11 melts, and material is at this time
The shell 2 and high temperature coating 12 of titanium or stainless steel are also far from reaching its own fusing point, therefore low temperature seal layer 11
It flows in cavity between high temperature coating 12 and shell 2 and the gas vent 13 can be sealed.
And titanium or stainless steel, it is firm solid, it is resistance to touch wear-resisting, it is not easy to burst, avoids and scalded caused by explosion
The features such as, service life is long.Titanium also has bactericidal effect.Therefore material is the high temperature coating 12 of titanium or stainless steel
Physical property, chemical property are stablized, and the low temperature seal layer 11 in this cavity is not easy to aoxidize when vacuumizing and generate and split
Line gap avoids finished product from leaking air problem, improves yield rate and air-tightness.
The melting temperature vacuumized must be more than the fusing point of low temperature seal layer 11, but no more than 1200 DEG C, so both
Really seal vents 13 can be melted, and avoid temperature excessively high and melt high temperature coating 12 by low temperature seal layer 11, influenced
Sealing effect.
Preferably, as shown in Fig. 2, in the step B, the corner location in the inside of the bottom of the shell 2 of cool-bag
The fixed auxiliary member 1, the low temperature seal layer 11 is towards the bottom of the shell 2, so as to which the low temperature seal layer 11 is fixed
Between high temperature coating 12 and shell 2；
In the step E, the bottom of the shell 2 is placed in evacuated chamber facing downward.
Auxiliary member 1 can be fixed on to the corner location of the inside of the bottom of the shell 2, by the shell 2 when vacuumizing
Bottom be placed on facing downward in evacuated chamber and vacuumized and heated, so as to which the air in incubation cavity 4 can be fully drawn out coming,
Incubation cavity 4 realizes perfect vacuum, improves heat preservation quality.
Preferably, in the step B, the corner location in the inside of the side wall of the shell 2 of cool-bag is fixed described auxiliary
Assistant piece 1, the low temperature seal layer 11 towards the shell 2 side wall, so as to the low temperature seal layer 11 fix high temperature coating
Between 12 and shell 2；
In the step E, the side for being welded with the auxiliary member 1 of the side wall of the shell 2 is placed on pumping facing downward
In in vacuum chamber.
Auxiliary member 1 can be fixed on to the corner location of the inside of the side wall of the shell 2, hold the heat preservation when vacuumizing
Device side is put, i.e., the side for being welded with the auxiliary member 1 of the side wall of described shell 2, which is put into facing downward in evacuated chamber, take out very
Sky simultaneously heats, and so as to which the air in incubation cavity 4 can be fully drawn out coming, incubation cavity 4 realizes perfect vacuum, improves and keeps the temperature quality.
Preferably, in the step B, the corner location in the inside at the top of the shell 2 of cool-bag is fixed described auxiliary
Assistant piece 1, the low temperature seal layer 11 is towards the top of the shell 2, so as to which the low temperature seal layer 11 fixes high temperature coating
Between 12 and shell 2；
It, will be in being placed in evacuated chamber top down of the shell 2 in the step E.
Auxiliary member 1 can be fixed on to the corner location of the inside at the top of the shell 2, hold the heat preservation when vacuumizing
Device is put into evacuated chamber and is vacuumized and heated top down, so as to which the air in incubation cavity 4 can be fully drawn out coming, protects
Warm chamber 4 realizes perfect vacuum, improves heat preservation quality.
Preferably, the cool-bag prepared using the good cool-bag preparation method of the air-tightness：
The cool-bag is that the cool-bag to be formed is vacuumized between the shell 2 and inner casing 3 being made of metal, described outer
The incubation cavity 4 of the vacuum of sealing is formed between shell 2 and inner casing 3；
The corner location of the inside of the shell 2 is fixed with the auxiliary member 1, and the low temperature seal layer 11 is towards described outer
Shell 2, so as to which the low temperature seal layer 11 is fixed between the high temperature coating 12 and shell 2；
The shell 2 is equipped with the gas vent 13, and the auxiliary member 1 covers the gas vent 13, and the low temperature is close
Sealing 11 seals the gas vent 13.
Corner location in the inside of the shell 2 of the cool-bag fixes the auxiliary member 1, and fixed form can be weldering
It connects, adhere to, the auxiliary member 1 is welded by low temperature seal layer 11 and high temperature coating 12.
Before heating vacuumizes, gas vent 13 is drilled out through the auxiliary member 1 and shell 2；When heating vacuumizes, by the guarantor
The side for being welded with the auxiliary member 1 of warm container is vacuumized facing downward, after the incubation cavity 4 is made to exhaust vacuum, gradually
The melting temperature is heated to, low temperature seal layer 11 melts and under the effect of gravity at the turning of high temperature coating 12 and shell 2
Flowed between position, so as to fusing 11 pairs of gas vent 13 of low temperature seal layer block, be cooled to room temperature cause it is low
Warm sealant 11 cures, so as to which the cool-bag of vacuum heat-preserving be made.The cool-bag can be Vacuum insulation bottle, vacuum heat-preserving
Cup and vacuum heat-preserving box etc., can be used high vacuum brazing equipment and are vacuumized.
The short slab of cool-bag sealing effect is unexpected caused by phase transformation of the low temperature seal layer 11 in fusion process
Potential crack, once cracking, incubation cavity 4 can reconditely gradually lose vacuum effectiveness.The present invention is in low temperature seal layer 11
Outside be in addition provided with and do not generate the high temperature coating 12 of phase transformation in the melting temperature, entire low temperature seal layer 11 is close
It is enclosed between the corner location of the inside of shell 2 and high temperature coating 12, thus the high temperature coating 12 under the effect of gravity
Always it is close to low temperature seal layer 11, the generation of Crack prevention；
And procedure of processing is few, it is only necessary to auxiliary member 1 is fixed on to the corner location of the inside of shell 2, you can avoid low temperature
Sealant 11 detaches in fusion process with high temperature coating 12, and the edge and shell 2 without high temperature coating 12 weld；
The gas vent 13, the phase transformation of the low temperature seal layer 11 are all offered on the shell 2 and high temperature coating 12
Two gas vents 13 can be sealed, the two aspirating holes 13, which have any one to be enclosed, can reach thorough vacuum sealing effect,
It is substantially reduced so as to the vacuum leak probability of cool-bag, yield rate higher, product is more durable；
Since auxiliary member 1 is set to the inside (i.e. in incubation cavity 4) of shell 2, the manufactured cool-bag is externally
It is more aesthetically pleasing less than the position of auxiliary member 1；And it is set to internal auxiliary member 1 and does not touch directly in an impact, it is not easy to touches
Fall, therefore be not easy the vacuum leak caused by collision.
Preferably, as shown in Figure 1, the auxiliary member 1 is set to the incubation cavity 4, the auxiliary member 1 is fixed on shell 2
Bottom edge, and the inner surface of the low temperature seal layer 11 and shell 2 is close to；The auxiliary member 1 covers the exhaust
Hole 13, the low temperature seal layer 11 seal the gas vent 13.
As shown in Fig. 2, auxiliary member 1 can be fixed on the edge of the bottom of shell 2 by way of welding or bonding, it is described outer
The edge of the bottom of shell 2 is corner location, and the inner surface of the low temperature seal layer 11 and shell 2 is close to, low temperature seal layer
11 are arranged between the edge of the bottom of high temperature coating 12 and shell 2, before heating vacuumizes, through the auxiliary member 1 and outside
Shell 2 drills out gas vent 13, can set multiple gas vents 13 along the edge of 2 bottom of shell, improve evacuation rate and quality.Add
When heat vacuumizes, the bottom that the cool-bag is just being put to i.e. described shell 2 is put into high vacuum brazing equipment and carries out facing downward
It vacuumizes and heats, the air in incubation cavity 4 is taken out completely under gravity and vacuum environment through gas vent 13 out of incubation cavity 4
Out, incubation cavity 4 realizes perfect vacuum；And when heating temperature reaches the melting temperature, the fusing flowing of low temperature seal layer 11,
So as to which the gas vent 13 of 11 pairs of shell 2 of low temperature seal layer of fusing blocks, it is cooled to room temperature and causes low temperature seal layer 11
Curing, so as to which the cool-bag of vacuum heat-preserving be made.
Preferably, as shown in figure 3, the bottom of the shell 2 is equipped with exhaust groove 21, the exhaust groove 21 is from inside to outside
Prominent, the gas vent 13 of the shell 2 is set to the exhaust groove 21；The auxiliary member 1 is fixed on the exhaust groove 21
Interior, the low temperature seal layer 11 seals the gas vent 13.
As shown in figure 4, auxiliary member 1 can be fixed on the exhaust groove 21 by way of being clamped or welding, so as to low temperature
Sealant 11 is wrapped in the cavity between high temperature coating 12 and exhaust groove 21, before heating vacuumizes, through the auxiliary
Part 1 and shell 2 drill out gas vent 13；When heating vacuumizes, the cool-bag is just being put into the bottom of i.e. described shell 2 facing downward
It is put into high vacuum brazing equipment and is vacuumized and heated, the air in incubation cavity 4 passes through under gravity and vacuum environment
Gas vent 13 is fully drawn out coming out of incubation cavity 4, and incubation cavity 4 realizes perfect vacuum；And when heating temperature reaches the melting temperature
When spending, low temperature seal layer 11 melts, and flows to the bottom of exhaust groove 21 under the effect of gravity, so as to the low temperature seal layer of fusing
The gas vent 13 of 11 pairs of exhaust grooves 21 blocks, and is cooled to room temperature so that low temperature seal layer 11 cures, so as to be made very
The cool-bag of sky heat preservation.
Preferably, as shown in Figure 5, Figure 6, the bottom of shell 2 is equipped with the smaller exhaust groove 21 of multiple surface areas.Setting is more
A smaller exhaust groove 21 of surface area, had both avoided that low temperature seal layer 11 is caused to flow uneven or thickness mistake because surface area is larger
It is small and gas vent 13 cannot be fully sealed, and multiple gas vents 13 are drilled out in the bottom of shell 2, when vacuumizing in incubation cavity 4
Air can be discharged through multiple gas vents 13, so as to improve vacuum pumping rate, and ensure that air is fully drawn out, avoid part
Air is remained in incubation cavity 4, and raising vacuumizes quality.
Preferably, as shown in fig. 7, the auxiliary member 1 is set to the vacuum heat-preserving chamber 4, the top of the shell 2 is equipped with
Opening 22,22 bending of opening, the opening 22 are equipped with gas vent 13, and the auxiliary member 1 is fixed on the opening 22 of shell 2,
The auxiliary member 1 covers the gas vent 13, and the low temperature seal layer 11 is arranged between high temperature coating 12 and opening 22, and
And the low temperature seal layer 11 seals the gas vent 13.
As shown in Fig. 8 to Figure 10, auxiliary member 1 can arbitrarily be fixed on the top of shell 2 by way of welding or bonding
Opening 22,1 Ke Transverse of auxiliary member are to fixed or be perpendicularly fixed at the edge or side wall of opening 22, and 11 He of low temperature seal layer
The inner surface of shell 2 is close to, and before heating vacuumizes, gas vent 13 is drilled out through the auxiliary member 1 and shell 2；Heating vacuumizes
When, the cool-bag i.e. described being put into top down in high vacuum brazing equipment for shell 2 of putting upside down is vacuumized simultaneously
It heats, the air in incubation cavity 4 is fully drawn out coming through gas vent 13 under gravity and vacuum environment out of incubation cavity 4, protects
Warm chamber 4 realizes perfect vacuum；And when heating temperature reaches melting temperature, the fusing flowing of low temperature seal layer 11, so as to fusing
The gas vent 13 of 11 pairs of shell 2 of low temperature seal layer blocks, and is cooled to room temperature so that low temperature seal layer 11 cures, so as to make
Obtain the cool-bag of vacuum heat-preserving.
Preferably, as shown in figure 12, the side wall of the shell 2 is equipped with exhaust groove 21, and the exhaust groove 21 is from introversion
Outer protrusion, the gas vent 13 of the shell 2 are set to the exhaust groove 21；The auxiliary member 1 is fixed on the exhaust groove
21, the high temperature coating 12 of the auxiliary member 1 covers the entire exhaust groove 21, the low temperature from the inside of the shell 2
Sealant 11 seals the gas vent 13.
Auxiliary member 1 can be fixed on the exhaust groove 21 by way of welding or bonding, so as to which low temperature seal layer 11 wraps
It is rolled in the cavity between high temperature coating 12 and exhaust groove 21, before heating vacuumizes, through the auxiliary member 1 and shell 2
Gas vent 13 is drilled out, as shown in figure 11；When heating vacuumizes, by the side for being welded with auxiliary member 1 of the side wall of shell 2 facing downward
It is put into high vacuum brazing equipment and is vacuumized and heated, the air in incubation cavity 4 passes through under gravity and vacuum environment
Gas vent 13 is fully drawn out coming out of incubation cavity 4, and incubation cavity 4 realizes perfect vacuum；And when heating temperature reaches melting temperature,
Low temperature seal layer 11 melts, and flows flowed between high temperature coating 12 and shell 2 under the effect of gravity, so as to fusing
The gas vent 13 of 11 pairs of exhaust groove 21 of low temperature seal layer blocks, and is cooled to room temperature so that low temperature seal layer 11 cures,
So as to which the cool-bag of vacuum heat-preserving be made.
Preferably, as shown in figure 11, the both sides of the side wall of the shell 2 are equipped with the exhaust groove 21.The side of shell 2
The exhaust groove 21 of wall both sides is oppositely arranged, and so as to vacuumize when puts cool-bag side, i.e., the side wall of shell 2 be welded with it is auxiliary
The wherein side of assistant piece 1, which is put into facing downward in high vacuum brazing equipment, to be vacuumized and is heated, and underlying air is from court
Under the gas vent 13 of exhaust groove 21 extract out, the gas vent 13 of the air being located above from exhaust groove 21 upward is extracted out,
So that it is guaranteed that air when cool-bag side is put positioned at side wall is fully drawn out, partial air is avoided to remain in incubation cavity 4, improved
Vacuumize quality.And when heating temperature reaches the fusing point of melting temperature, low temperature seal layer 11 melts, and under the effect of gravity, position
The gas vent 13 of 11 pairs of exhaust groove 21 of low temperature seal layer in the exhaust groove 21 of lower section seals, and the exhaust being located above is recessed
The gas vent 13 of 11 pairs of high temperature coating 12 of low temperature seal layer in slot 21 seals, and is cooled to room temperature and causes low temperature seal layer 11
Curing, so as to which the cool-bag of vacuum heat-preserving be made.
Preferably, as shown in Figure 13,14, the exhaust groove 21 of the side wall of the shell 2 protrudes, and described from inside to outside
The middle part of exhaust groove 21 is recessed inwardly, and edge protrudes outward, and the gas vent 13 of the bottom of the shell 2 is recessed close to the exhaust
The edge setting of slot 21；The auxiliary member 1 is fixed on the exhaust groove 21, and the high temperature coating 12 of the auxiliary member 1 covers
The entire exhaust groove 21, the low temperature seal layer 11 seal the gas vent 13.The exhaust groove of the side wall of the shell 2
21 middle part is recessed inwardly, and edge protrudes outward, by the side for being welded with auxiliary member 1 of the side wall of the shell 2 when vacuumizing
Downward, so as to exhaust the low temperature seal layer 11 melted after vacuum, it is easier under the effect of gravity from the middle part of exhaust groove 21 to
Edge flows, and the gas vent 13 on exhaust groove 21 is blocked, and blocks more reliable.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific embodiments that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of good cool-bag preparation method of air-tightness, the cool-bag is between the shell and inner casing being made of metal
The cool-bag to be formed is vacuumized, the incubation cavity of the vacuum of sealing is formed between the shell and inner casing, which is characterized in that including
Following steps：
Step A, prepares auxiliary member, and the auxiliary member stacks for low temperature seal layer and high temperature coating and is welded to each other to be formed
, the low temperature seal layer is made by molten metal in melting temperature, and the high temperature coating is by the melting temperature
When spending will not molten metal be made；
Step B, the corner location in the inside of the shell of cool-bag fix the auxiliary member, and the low temperature seal layer court
To the shell, so as to which the low temperature seal layer is fixed between the high temperature coating and shell；
Step C drills out gas vent through the auxiliary member and shell；
The inner casing is mounted in the shell by step D, so as to form the incubation cavity between shell and inner casing；
Step E makes the low temperature seal layer under, then the cool-bag is placed on pumping upper by the high temperature coating
In vacuum chamber, the evacuated chamber gradually tends to vacuum state so as to vacuumize the incubation cavity by the gas vent；
The temperature of the evacuated chamber is gradually risen to the melting temperature simultaneously, the low temperature seal layer melted by heat and flow
Until the gas vent is sealed, so as to which the cool-bag be made.
2. the good cool-bag preparation method of air-tightness according to claim 1, it is characterised in that：
The low temperature seal layer is metal material of the fusing point at 200 DEG C~1200 DEG C；
The high temperature coating is titanium or stainless steel；
The shell is titanium or stainless steel；
The melting temperature of the step E is no more than 1200 DEG C.
3. the good cool-bag preparation method of air-tightness according to claim 1, it is characterised in that：
In the step B, the corner location in the inside of the bottom of the shell of cool-bag fixes the auxiliary member, the low temperature
Sealant is towards the bottom of the shell, so as to which the low temperature seal layer is fixed between high temperature coating and shell；
In the step E, the bottom of the shell is placed in evacuated chamber facing downward.
4. the good cool-bag preparation method of air-tightness according to claim 1, it is characterised in that：
In the step B, the corner location in the inside of the side wall of the shell of cool-bag fixes the auxiliary member, the low temperature
Sealant towards the shell side wall, so as to which the low temperature seal layer is fixed between high temperature coating and shell；
In the step E, the side for being welded with the auxiliary member of the side wall of the shell is placed on evacuated chamber facing downward
In interior.
5. the good cool-bag preparation method of air-tightness according to claim 1, it is characterised in that：
In the step B, the corner location in the inside at the top of the shell of cool-bag fixes the auxiliary member, the low temperature
Sealant is towards the top of the shell, so as to which the low temperature seal layer is fixed between high temperature coating and shell；
It, will be in being placed in evacuated chamber top down of the shell in the step E.
6. the cool-bag prepared using the good cool-bag preparation method of the air-tightness described in claim 1 to 5 any one,
It is characterized in that：
The cool-bag is that the cool-bag to be formed is vacuumized between the shell and inner casing being made of metal, the shell and interior
The incubation cavity of the vacuum of sealing is formed between shell；
The corner location of the inside of the shell is fixed with the auxiliary member, the low temperature seal layer towards the shell, so as to
The low temperature seal layer is fixed between the high temperature coating and shell；
The shell is equipped with the gas vent, and the auxiliary member covers the gas vent, and low temperature seal layer sealing institute
State gas vent.
7. cool-bag according to claim 6, it is characterised in that：
The auxiliary member is set to the incubation cavity, and the auxiliary member is fixed on the edge of the bottom of shell, and the low temperature
The inner surface of sealant and shell is close to；The auxiliary member covers the gas vent, and the low temperature seal layer seals the exhaust
Hole.
8. cool-bag according to claim 7, it is characterised in that：
The bottom of the shell is equipped with exhaust groove, and the exhaust groove protrudes from inside to outside, the gas vent setting of the shell
In the exhaust groove；
The auxiliary member is fixed in the exhaust groove, and the low temperature seal layer seals the gas vent.
9. cool-bag according to claim 6, it is characterised in that：
The auxiliary member is set to the vacuum heat-preserving chamber, and the top of the shell is equipped with opening, and the open loop is described to open
Mouth is equipped with gas vent, and the auxiliary member is fixed on the opening of shell, and the auxiliary member covers the gas vent, the low temperature seal
Layer is arranged between high temperature coating and opening, and the low temperature seal layer seals the gas vent.
10. cool-bag according to claim 6, it is characterised in that：
The side wall of the shell is equipped with exhaust groove, and the exhaust groove protrudes from inside to outside, the gas vent setting of the shell
In the exhaust groove；
The auxiliary member is fixed on the exhaust groove, and the high temperature coating of the auxiliary member is whole from the covering of the inside of the shell
A exhaust groove, the low temperature seal layer seal the gas vent.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482309.9A CN108216943B (en) | 2017-12-29 | 2017-12-29 | Preparation method of heat-insulating container with good air tightness and heat-insulating container prepared by same |
| PCT/CN2018/078674 WO2019127908A1 (en) | 2017-12-29 | 2018-03-12 | Method for preparing airtight and insulated container, and insulated container prepared by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482309.9A CN108216943B (en) | 2017-12-29 | 2017-12-29 | Preparation method of heat-insulating container with good air tightness and heat-insulating container prepared by same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108216943A true CN108216943A (en) | 2018-06-29 |
| CN108216943B CN108216943B (en) | 2020-04-14 |
Family
ID=62646348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711482309.9A Active CN108216943B (en) | 2017-12-29 | 2017-12-29 | Preparation method of heat-insulating container with good air tightness and heat-insulating container prepared by same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108216943B (en) |
| WO (1) | WO2019127908A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000051098A (en) * | 1998-08-10 | 2000-02-22 | Zojirushi Corp | Sealing of vacuum structure |
| GB0022972D0 (en) * | 1999-09-21 | 2000-11-01 | Nippon Oxygen Co Ltd | Sealing portion structure of exhaust hole of double-walled heat-insulating container and sealing method thereof |
| JP4626674B2 (en) * | 2008-05-02 | 2011-02-09 | サーモス株式会社 | Vacuum structure sealing method |
| CN107296522A (en) * | 2017-07-01 | 2017-10-27 | 佛山市铠斯钛科技有限公司 | A kind of novel evacuated cool-bag manufacture method and its vacuum heat-insulating container of manufacture |
| CN107319960A (en) * | 2017-07-01 | 2017-11-07 | 佛山市铠斯钛科技有限公司 | The method and its Vacuum insulation bottle of a kind of Vacuum insulation bottle for preparing long lifespan |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3439626B2 (en) * | 1997-04-30 | 2003-08-25 | 象印マホービン株式会社 | Vacuum structure sealing method and its structure |
| JP2001061677A (en) * | 1999-08-25 | 2001-03-13 | Zojirushi Corp | Method for sealing vacuum structure |
| CN107380742A (en) * | 2017-07-31 | 2017-11-24 | 白明军 | A kind of vacuum utensil structure of the outer titanium of interior titanium |
-
2017
- 2017-12-29 CN CN201711482309.9A patent/CN108216943B/en active Active
-
2018
- 2018-03-12 WO PCT/CN2018/078674 patent/WO2019127908A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000051098A (en) * | 1998-08-10 | 2000-02-22 | Zojirushi Corp | Sealing of vacuum structure |
| GB0022972D0 (en) * | 1999-09-21 | 2000-11-01 | Nippon Oxygen Co Ltd | Sealing portion structure of exhaust hole of double-walled heat-insulating container and sealing method thereof |
| JP4626674B2 (en) * | 2008-05-02 | 2011-02-09 | サーモス株式会社 | Vacuum structure sealing method |
| CN107296522A (en) * | 2017-07-01 | 2017-10-27 | 佛山市铠斯钛科技有限公司 | A kind of novel evacuated cool-bag manufacture method and its vacuum heat-insulating container of manufacture |
| CN107319960A (en) * | 2017-07-01 | 2017-11-07 | 佛山市铠斯钛科技有限公司 | The method and its Vacuum insulation bottle of a kind of Vacuum insulation bottle for preparing long lifespan |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019127908A1 (en) | 2019-07-04 |
| CN108216943B (en) | 2020-04-14 |
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