CN107116157A - A kind of manufacture method of metal vacuum container integral type light weight inner bag - Google Patents
A kind of manufacture method of metal vacuum container integral type light weight inner bag Download PDFInfo
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- CN107116157A CN107116157A CN201710350788.2A CN201710350788A CN107116157A CN 107116157 A CN107116157 A CN 107116157A CN 201710350788 A CN201710350788 A CN 201710350788A CN 107116157 A CN107116157 A CN 107116157A
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- inner bag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
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Abstract
The invention discloses a kind of metal vacuum container manufacture method of integral type light weight inner bag, comprise the following steps：Take a circular plate body, punching press is carried out to circular plate body, by revolving the thin thinning processing of machine progress spinning and forming thinner wall section, upper heavy section, lower heavy section, then beading processing is carried out by roller press, then scarfing processing is carried out to inner bag prototype upper end to remove flange, then necking processing is carried out to inner bag prototype by empty contracting machine, the upper heavy section after finally handling necking cut head processing so as to remove redundancy portion, obtains integral type light weight inner bag.The manufacturing process of the manufacture method is simple and easy to apply, not only being efficiently solved by the integral type light weight inner bag obtained by above step needs to carry out in the prior art have a plurality of piece on inner bag of the multi-pass welding process so as to cause shaping, so as to the problem of influenceing product aesthetics, and by the way that integral type light weight inner bag own wt produced by the present invention is light, service life is long, it is easier to promote.
Description
Technical field
The present invention relates to metal vacuum container inner bag manufacture field, more particularly to a kind of metal vacuum container integral type
The manufacture method of light weight inner bag.
Background technology
Existing metal vacuum container such as stainless steel（Titanium）Vacuum cup, Dewar bottle etc. generally comprise three-decker, i.e.,
Inner bag, vacuum layer, outer courage, and the inner bag of existing metal vacuum container is usually to be entered with the welding pipe of two ends insertion during fabrication
Form inner bag semi-finished product after a series of processing of row, then in inner bag bottom by welding metal bottom so as to being spliced to form inner bag.
Although this inner bag can play a part of contain liquid, vacuum layer can be formed between outer courage, its
Needed in process from sheet fabrication into welding pipe, be reprocessed into inner bag semi-finished product, and welding upper inner-liner bottom in addition, its
Manufacturing process is relatively complicated, and has multi-pass welding piece, have impact on the aesthetics of product, and also resulting in product should not clean, and
And weld seam also has vacuum failure risk.In addition, existing inner bag general thickness is thicker, so as to cause its heavier-weight, and cause
The heavier-weight of the metal vacuum container finally given, damages the product usage experience of user.
The content of the invention
The present invention is cumbersome for inner bag manufacturing process present in prior art, and the inner bag of shaping has multi-pass welding piece,
The aesthetics of product is have impact on, and inner bag thickness is thicker, so as to cause the heavier grade of metal vacuum container weight finally given to lack
It is sunken that there is provided a kind of manufacture method of new metal vacuum container integral type light weight inner bag.
In order to solve the above-mentioned technical problem, the present invention is achieved through the following technical solutions：
A kind of metal vacuum container manufacture method of integral type light weight inner bag, comprises the following steps：
（1）A circular plate body is taken, punching press is carried out to the circular plate body, makes the uniform inner bag prototype of circular slab body formation wall thickness simultaneously
Outside flange is formed in the upper end of the inner bag prototype；
（2）The thinning processing of spinning is carried out to the center section of the inner bag prototype so as to form thinner wall section, inner bag by revolving thin machine
Heavy section, lower heavy section are formed in prototype in the part beyond relative to thinner wall section；
（3）By roller press to carrying out beading processing in the junction close to upper heavy section and thinner wall section on the upper heavy section,
Form reinforcement；
（4）Scarfing processing is carried out so as to remove the flange to the upper end of inner bag prototype；
（5）Necking processing is carried out to the upper heavy section of inner bag prototype by empty contracting machine, so as to form choke on upper heavy section
And forming redundancy portion in the top of choke, the choke includes the first choke, the second choke, the successively from top to bottom
Three chokes, the first choke, the second choke, the 3rd choke contracting it is different；
（6）The upper end of upper heavy section after handling necking cut head processing so as to remove the redundancy portion, obtains integral type
Light weight inner bag.
It is by the way that the progress globality punching press of circular plate body is realized into one by integral type light weight inner bag made from above step
Body formula structure, so that effectively solving needs to carry out multi-pass welding process in the prior art and can form asking for multiple tracks piece
Topic, and the flange of the upper end of inner bag prototype ensure that circular plate body can be molded in punching press by normal ram, while also protecting
Demonstrate,prove intensity of the inner bag prototype during subsequent handling.And spinning is carried out to the center section of the inner bag prototype by revolving thin machine
Thinning processing can effectively mitigate the weight of inner bag itself, and then mitigate the overall weight of cup after assembling, make people in day
It is more laborsaving during normal use, conveniently.And the upper heavy section, lower heavy section beyond thinner wall section ensure that the strong of inner bag prototype
Degree, it is to avoid inner bag prototype is damaged during subsequent handling.By roller press on upper heavy section close to upper heavy section with it is thin
The junction of wall portion carries out beading processing to form reinforcement, can strengthen the strong of junction between upper heavy section and thinner wall section
Degree, it is ensured that what follow-up necking was handled is normally carried out.Necking processing and shape are carried out to the upper heavy section of inner bag prototype by empty contracting machine
Into choke and redundancy portion, partly in order to the convenience of process and assemble afterwards, on the other hand also increases inner bag entirety
The intensity of aesthetic feeling and inner bag oral area, wherein redundancy portion ensure that the top of heavy section will not in necking processing procedure
Damage and deform, it is ensured that what necking was handled is normally carried out.The manufacturing process of the present invention is simple and easy to apply, passes through above step institute
Obtained integral type light weight inner bag, which is not only efficiently solved, to be needed to carry out multi-pass welding process in the prior art to cause into
There is a plurality of piece on the inner bag of type, so that the problem of influenceing product aesthetics, and pass through integral type light weight produced by the present invention
Inner bag own wt is light, service life is long, it is easier to promote.
Preferably, a kind of manufacture method of metal vacuum container integral type light weight inner bag described above, described
Step（2）In, by the inwall of inner bag prototype, the uniform coating lubricating oil of outer wall, and it is inserted in inner bag prototype after mould to described
The center section of inner bag prototype outer wall carries out three-wheel shear spinning, makes inner bag prototype middle part thinning to form thinner wall section.
On the one hand shear spinning will be carried out after the inwall of inner bag prototype, the uniform coating lubricating oil of outer wall again can increase spinning
Efficiency, reduce the working time, on the other hand can prevent in spinning process situations such as inner bag prototype overheats and spark occurs,
Reduce the probability for occurring accident.
Preferably, a kind of manufacture method of metal vacuum container integral type light weight inner bag described above, the step
Suddenly（2）In, the upper heavy section, the wall thickness of lower heavy section are 0.4mm~0.6mm, the wall thickness of the thinner wall section for 0.08mm~
0.15mm。
By wall thickness control in the above range, can be maximum on the basis of the integral type light weight inner bag intensity for ensureing to obtain
Mitigate to degree the own wt of inner bag, and then mitigate the overall weight of cup after assembling, people is carried in daily life
It is more laborsaving, conveniently.
Preferably, a kind of manufacture method of metal vacuum container integral type light weight inner bag described above, the step
Suddenly（2）In, the upper heavy section, the wall thickness of lower heavy section are 0.4mm, and the wall thickness of the thinner wall section is 0.11mm~0.12mm.
By wall thickness control in the above range, can be maximum on the basis of the integral type light weight inner bag intensity for ensureing to obtain
Mitigate to degree the own wt of inner bag, and then mitigate the overall weight of cup after assembling, people is carried in daily life
It is more laborsaving, conveniently.
Preferably, a kind of manufacture method of metal vacuum container integral type light weight inner bag described above, the step
Suddenly（3）In, the longitudinally wide W of the reinforcement is 2mm~3mm, the unilateral footpath convex height H of reinforcement for 0.4mm~
0.6mm。
By the longitudinally wide W of reinforcement, unilateral footpath convex height H control in the above range, not only can be effective
In enhancing between heavy section and thinner wall section junction intensity, increase the obtained service life of integral type light weight inner bag, and
The area of reinforcement is farthest reduced, so as to ensure that the overall aesthetic measure of obtained integral type light weight inner bag.
Preferably, a kind of manufacture method of metal vacuum container integral type light weight inner bag described above, the step
Suddenly（5）In, described necking is processed as no core rod necking processing, comprises the following steps：
（51）Carrying out pre-add heat treatment to the upper heavy section of inner bag prototype, pre-heating temperature is 280 DEG C~320 DEG C, heat time
For 10s~20s；
（52）The unilateral contracting N for carrying out necking and choke to the upper heavy section of inner bag prototype by empty contracting machine is not more than 15mm,
Toward the compressed air that 0.4MPa~0.8MPa is filled with inside inner bag prototype while necking, pass through compressed air and support inner bag prototype
Thinner wall section, it is to avoid thinner wall section deformation；
（53）The step（52）In, while necking on reinforcement on heavy section determine inner bag fixture with outer holding-solid and offset simultaneously
The support of inner bag fixture is determined by outer holding-solid, upper heavy section is shifted to thinner wall section during limitation necking, it is to avoid thinner wall section is deformed.
Difficulty when pre-add heat treatment can reduce necking, lifts necking efficiency, in necking simultaneously toward inside inner bag prototype
Being filled with compressed air can avoid thinner wall section from deforming.In addition, reinforcement and outer holding-solid are determined into inner bag fixture phase while necking
Support and upper heavy section when the support of inner bag fixture can effectively limit necking is determined by outer holding-solid and shifted to thinner wall section, it is to avoid thinner wall section
Deformation, and the unilateral contracting N of choke is not more than the intensity that 15mm ensure that obtained choke, it is to avoid choke is because of contracting
It is excessive and be broken.The purpose of necking can be better achieved by above necking processing mode, it is ensured that the quality of necking processing.
Preferably, a kind of manufacture method of metal vacuum container integral type light weight inner bag described above, the step
Suddenly（52）In, the unilateral contracting N for carrying out necking and choke to the upper heavy section of inner bag prototype by empty contracting machine is not more than 10mm.
The upper heavy section of inner bag prototype is subjected to necking processing and controls the unilateral contracting of choke within the above range
The intensity of obtained choke can not only be further ensured that, it is to avoid choke because contracting is excessive be broken it is convenient for assembly, and
Add overall aesthetic feeling.
Preferably, a kind of manufacture method of metal vacuum container integral type light weight inner bag described above, described
Step（6）In, carry out cutting head processing in the upper end of the upper heavy section after handling necking after removing the redundancy portion, passing through
Roller press carries out pressing clear angle to handle to the junction of the first choke and the second choke, so as to obtain integral type light weight inner bag.
Carry out pressing clear angle processing that it can be made more smooth by the junction to the first choke and the second choke,
Assembling after being easy to.
Preferably, a kind of manufacture method of metal vacuum container integral type light weight inner bag described above, passes through rolling
Press is carried out pressing after clear angle processing to the junction of the first choke and the second choke, and inner bag prototype is carried out by flat head machine
Flat mouth processing, so as to obtain integral type light weight inner bag.
Carry out pressing clear angle to handle and by flat head machine to inner bag by the junction to the first choke and the second choke
Prototype, which carries out flat mouth processing, to make it more smooth, the assembling after being easy to.
Brief description of the drawings
Fig. 1 is the structural representation of circular plate body in the present invention；
Fig. 2 is the present invention through step（2）The structural representation of inner bag prototype obtained by after processing；
Fig. 3 is the partial enlarged drawing in A portions in Fig. 2；
Fig. 4 is the partial enlarged drawing in B portions in Fig. 2；
Fig. 5 is the present invention through step（3）The structural representation of inner bag prototype obtained by after processing；
Fig. 6 is the partial enlarged drawing in C portions in Fig. 5；
Fig. 7 is the present invention through step（5）The structural representation of inner bag prototype obtained by after processing；
Fig. 8 is the present invention through step（6）The structural representation of inner bag prototype obtained by after processing.
Embodiment
1-8 and embodiment are described in further detail to the present invention below in conjunction with the accompanying drawings, but they are not to this
The limitation of invention：
Embodiment 1
A kind of metal vacuum container manufacture method of integral type light weight inner bag, comprises the following steps：
（1）A circular plate body 1 is taken, punching press is carried out to the circular plate body 1, makes the inner bag of the circular formation of plate body 1 uniform wall thickness former
Type 2 simultaneously forms outside flange 3 in the upper end of the inner bag prototype 2；
（2）The thinning processing of spinning is carried out to the center section of the inner bag prototype 2 so as to form thinner wall section 22 by revolving thin machine, it is interior
Heavy section 21, lower heavy section 23 are formed in courage prototype 2 in the part beyond relative to thinner wall section 22；
（3）By roller press to carrying out beading close to upper heavy section 21 and the junction of thinner wall section 22 on the upper heavy section 21
Processing, forms reinforcement 24；
（4）Scarfing processing is carried out so as to remove the flange 3 to the upper end of inner bag prototype 2；
（5）Necking processing is carried out to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine, so as to form contracting on upper heavy section 21
Oral area 4 simultaneously forms redundancy portion 5 in the top of choke 4, and the choke 4 includes the first choke 41, the successively from top to bottom
Two chokes 42, the 3rd choke 43, the first choke 41, the second choke 42, the 3rd choke 43 contracting it is different；
（6）The upper end of upper heavy section 21 after handling necking cut head processing so as to remove the redundancy portion 5, obtains one
Formula light weight inner bag.
Preferably, described step（2）In, by the inwall of inner bag prototype 2, the uniform coating lubricating oil of outer wall, and inside
It is inserted in courage prototype 2 after mould and three-wheel shear spinning is carried out to the center section of the outer wall of inner bag prototype 2, makes inner bag prototype 2
Middle part is thinning so as to form thinner wall section 22.
Preferably, the step（2）In, the upper heavy section 21, the wall thickness of lower heavy section 23 are 0.4mm, described thin
The wall thickness of wall portion 22 is 0.08mm.
Preferably, the step（3）In, the longitudinally wide W of the reinforcement 24 is 2mm, the unilateral footpath of reinforcement 24
Convex height H is 0.4mm.
Preferably, the step（5）In, described necking is processed as no core rod necking processing, comprises the following steps：
（51）Pre-add heat treatment is carried out to the upper heavy section 21 of inner bag prototype 2, pre-heating temperature is 280 DEG C, the heat time is
10s；
（52）The unilateral contracting N for carrying out necking and choke 4 to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine is to the maximum
10mm, toward the compressed air that 0.4MPa is filled with inside inner bag prototype 2 while necking, passes through compressed air and supports inner bag prototype 2
Thinner wall section 22, it is to avoid the thinner wall section 22 is deformed；
（53）The step（52）In, while necking on reinforcement 24 on heavy section 21 determine inner bag fixture phase with outer holding-solid
Support and the support of inner bag fixture is determined by outer holding-solid, upper heavy section 21 is shifted to thinner wall section 22 during limitation necking, it is to avoid thinner wall section 22 becomes
Shape.
Preferably, described step（6）In, the upper end of the upper heavy section 21 after handling necking carries out cutting head processing
So as to remove behind the redundancy portion 5, the junction of the first choke 41 and the second choke 42 is carried out by roller press to press clear
Angle is handled, so as to obtain integral type light weight inner bag.
Preferably, carrying out pressing clear angle to handle to the junction of the first choke 41 and the second choke 42 by roller press
Afterwards, flat mouth processing is carried out to inner bag prototype 2 by flat head machine, so as to obtain integral type light weight inner bag.
Embodiment 2
A kind of metal vacuum container manufacture method of integral type light weight inner bag, comprises the following steps：
（1）A circular plate body 1 is taken, punching press is carried out to the circular plate body 1, makes the inner bag of the circular formation of plate body 1 uniform wall thickness former
Type 2 simultaneously forms outside flange 3 in the upper end of the inner bag prototype 2；
（2）The thinning processing of spinning is carried out to the center section of the inner bag prototype 2 so as to form thinner wall section 22 by revolving thin machine, it is interior
Heavy section 21, lower heavy section 23 are formed in courage prototype 2 in the part beyond relative to thinner wall section 22；
（3）By roller press to carrying out beading close to upper heavy section 21 and the junction of thinner wall section 22 on the upper heavy section 21
Processing, forms reinforcement 24；
（4）Scarfing processing is carried out so as to remove the flange 3 to the upper end of inner bag prototype 2；
（5）Necking processing is carried out to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine, so as to form contracting on upper heavy section 21
Oral area 4 simultaneously forms redundancy portion 5 in the top of choke 4, and the choke 4 includes the first choke 41, the successively from top to bottom
Two chokes 42, the 3rd choke 43, the first choke 41, the second choke 42, the 3rd choke 43 contracting it is different；
（6）The upper end of upper heavy section 21 after handling necking cut head processing so as to remove the redundancy portion 5, obtains one
Formula light weight inner bag.
Preferably, described step（2）In, by the inwall of inner bag prototype 2, the uniform coating lubricating oil of outer wall, and inside
It is inserted in courage prototype 2 after mould and three-wheel shear spinning is carried out to the center section of the outer wall of inner bag prototype 2, makes inner bag prototype 2
Middle part is thinning so as to form thinner wall section 22.
Preferably, the step（2）In, the upper heavy section 21, the wall thickness of lower heavy section 23 are 0.6mm, described thin
The wall thickness of wall portion 22 is 0.08mm.
Preferably, the step（3）In, the longitudinally wide W of the reinforcement 24 is 3mm, the unilateral footpath of reinforcement 24
Convex height H is 0.4mm.
Preferably, the step（5）In, described necking is processed as no core rod necking processing, comprises the following steps：
（51）Pre-add heat treatment is carried out to the upper heavy section 21 of inner bag prototype 2, pre-heating temperature is 320 DEG C, the heat time is
10s；
（52）The unilateral contracting N for carrying out necking and choke 4 to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine is to the maximum
15mm, toward the compressed air that 0.4MPa is filled with inside inner bag prototype 2 while necking, passes through compressed air and supports inner bag prototype 2
Thinner wall section 22, it is to avoid the thinner wall section 22 is deformed；
（53）The step（52）In, while necking on reinforcement 24 on heavy section 21 determine inner bag fixture phase with outer holding-solid
Support and the support of inner bag fixture is determined by outer holding-solid, upper heavy section 21 is shifted to thinner wall section 22 during limitation necking, it is to avoid thinner wall section 22 becomes
Shape.
Preferably, described step（6）In, the upper end of the upper heavy section 21 after handling necking carries out cutting head processing
So as to remove behind the redundancy portion 5, the junction of the first choke 41 and the second choke 42 is carried out by roller press to press clear
Angle is handled, so as to obtain integral type light weight inner bag.
Preferably, carrying out pressing clear angle to handle to the junction of the first choke 41 and the second choke 42 by roller press
Afterwards, flat mouth processing is carried out to inner bag prototype 2 by flat head machine, so as to obtain integral type light weight inner bag.
Embodiment 3
A kind of metal vacuum container manufacture method of integral type light weight inner bag, comprises the following steps：
（1）A circular plate body 1 is taken, punching press is carried out to the circular plate body 1, makes the inner bag of the circular formation of plate body 1 uniform wall thickness former
Type 2 simultaneously forms outside flange 3 in the upper end of the inner bag prototype 2；
（2）The thinning processing of spinning is carried out to the center section of the inner bag prototype 2 so as to form thinner wall section 22 by revolving thin machine, it is interior
Heavy section 21, lower heavy section 23 are formed in courage prototype 2 in the part beyond relative to thinner wall section 22；
（3）By roller press to carrying out beading close to upper heavy section 21 and the junction of thinner wall section 22 on the upper heavy section 21
Processing, forms reinforcement 24；
（4）Scarfing processing is carried out so as to remove the flange 3 to the upper end of inner bag prototype 2；
（5）Necking processing is carried out to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine, so as to form contracting on upper heavy section 21
Oral area 4 simultaneously forms redundancy portion 5 in the top of choke 4, and the choke 4 includes the first choke 41, the successively from top to bottom
Two chokes 42, the 3rd choke 43, the first choke 41, the second choke 42, the 3rd choke 43 contracting it is different；
（6）The upper end of upper heavy section 21 after handling necking cut head processing so as to remove the redundancy portion 5, obtains one
Formula light weight inner bag.
Preferably, described step（2）In, by the inwall of inner bag prototype 2, the uniform coating lubricating oil of outer wall, and inside
It is inserted in courage prototype 2 after mould and three-wheel shear spinning is carried out to the center section of the outer wall of inner bag prototype 2, makes inner bag prototype 2
Middle part is thinning so as to form thinner wall section 22.
Preferably, the step（2）In, the upper heavy section 21, the wall thickness of lower heavy section 23 are 0.4mm, described thin
The wall thickness of wall portion 22 is 0.15mm.
Preferably, the step（3）In, the longitudinally wide W of the reinforcement 24 is 2mm, the unilateral footpath of reinforcement 24
Convex height H is 0.6mm.
Preferably, the step（5）In, described necking is processed as no core rod necking processing, comprises the following steps：
（51）Pre-add heat treatment is carried out to the upper heavy section 21 of inner bag prototype 2, pre-heating temperature is 280 DEG C, the heat time is
20s；
（52）The unilateral contracting N for carrying out necking and choke 4 to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine is to the maximum
10mm, toward the compressed air that 0.8MPa is filled with inside inner bag prototype 2 while necking, passes through compressed air and supports inner bag prototype 2
Thinner wall section 22, it is to avoid the thinner wall section 22 is deformed；
（53）The step（52）In, while necking on reinforcement 24 on heavy section 21 determine inner bag fixture phase with outer holding-solid
Support and the support of inner bag fixture is determined by outer holding-solid, upper heavy section 21 is shifted to thinner wall section 22 during limitation necking, it is to avoid thinner wall section 22 becomes
Shape.
Preferably, described step（6）In, the upper end of the upper heavy section 21 after handling necking carries out cutting head processing
So as to remove behind the redundancy portion 5, the junction of the first choke 41 and the second choke 42 is carried out by roller press to press clear
Angle is handled, so as to obtain integral type light weight inner bag.
Preferably, carrying out pressing clear angle to handle to the junction of the first choke 41 and the second choke 42 by roller press
Afterwards, flat mouth processing is carried out to inner bag prototype 2 by flat head machine, so as to obtain integral type light weight inner bag.
Embodiment 4
A kind of metal vacuum container manufacture method of integral type light weight inner bag, comprises the following steps：
（1）A circular plate body 1 is taken, punching press is carried out to the circular plate body 1, makes the inner bag of the circular formation of plate body 1 uniform wall thickness former
Type 2 simultaneously forms outside flange 3 in the upper end of the inner bag prototype 2；
（2）The thinning processing of spinning is carried out to the center section of the inner bag prototype 2 so as to form thinner wall section 22 by revolving thin machine, it is interior
Heavy section 21, lower heavy section 23 are formed in courage prototype 2 in the part beyond relative to thinner wall section 22；
（3）By roller press to carrying out beading close to upper heavy section 21 and the junction of thinner wall section 22 on the upper heavy section 21
Processing, forms reinforcement 24；
（4）Scarfing processing is carried out so as to remove the flange 3 to the upper end of inner bag prototype 2；
（5）Necking processing is carried out to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine, so as to form contracting on upper heavy section 21
Oral area 4 simultaneously forms redundancy portion 5 in the top of choke 4, and the choke 4 includes the first choke 41, the successively from top to bottom
Two chokes 42, the 3rd choke 43, the first choke 41, the second choke 42, the 3rd choke 43 contracting it is different；
（6）The upper end of upper heavy section 21 after handling necking cut head processing so as to remove the redundancy portion 5, obtains one
Formula light weight inner bag.
Preferably, described step（2）In, by the inwall of inner bag prototype 2, the uniform coating lubricating oil of outer wall, and inside
It is inserted in courage prototype 2 after mould and three-wheel shear spinning is carried out to the center section of the outer wall of inner bag prototype 2, makes inner bag prototype 2
Middle part is thinning so as to form thinner wall section 22.
Preferably, the step（2）In, the upper heavy section 21, the wall thickness of lower heavy section 23 are 0.6mm, described thin
The wall thickness of wall portion 22 is 0.15mm.
Preferably, the step（3）In, the longitudinally wide W of the reinforcement 24 is 3mm, the unilateral footpath of reinforcement 24
Convex height H is 0.6mm.
Preferably, the step（5）In, described necking is processed as no core rod necking processing, comprises the following steps：
（51）Pre-add heat treatment is carried out to the upper heavy section 21 of inner bag prototype 2, pre-heating temperature is 320 DEG C, the heat time is
20s；
（52）The unilateral contracting N for carrying out necking and choke 4 to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine is to the maximum
15mm, toward the compressed air that 0.8MPa is filled with inside inner bag prototype 2 while necking, passes through compressed air and supports inner bag prototype 2
Thinner wall section 22, it is to avoid the thinner wall section 22 is deformed；
（53）The step（52）In, while necking on reinforcement 24 on heavy section 21 determine inner bag fixture phase with outer holding-solid
Support and the support of inner bag fixture is determined by outer holding-solid, upper heavy section 21 is shifted to thinner wall section 22 during limitation necking, it is to avoid thinner wall section 22 becomes
Shape.
Preferably, described step（6）In, the upper end of the upper heavy section 21 after handling necking carries out cutting head processing
So as to remove behind the redundancy portion 5, the junction of the first choke 41 and the second choke 42 is carried out by roller press to press clear
Angle is handled, so as to obtain integral type light weight inner bag.
Preferably, carrying out pressing clear angle to handle to the junction of the first choke 41 and the second choke 42 by roller press
Afterwards, flat mouth processing is carried out to inner bag prototype 2 by flat head machine, so as to obtain integral type light weight inner bag.
Embodiment 5
A kind of metal vacuum container manufacture method of integral type light weight inner bag, comprises the following steps：
（1）A circular plate body 1 is taken, punching press is carried out to the circular plate body 1, makes the inner bag of the circular formation of plate body 1 uniform wall thickness former
Type 2 simultaneously forms outside flange 3 in the upper end of the inner bag prototype 2；
（2）The thinning processing of spinning is carried out to the center section of the inner bag prototype 2 so as to form thinner wall section 22 by revolving thin machine, it is interior
Heavy section 21, lower heavy section 23 are formed in courage prototype 2 in the part beyond relative to thinner wall section 22；
（3）By roller press to carrying out beading close to upper heavy section 21 and the junction of thinner wall section 22 on the upper heavy section 21
Processing, forms reinforcement 24；
（4）Scarfing processing is carried out so as to remove the flange 3 to the upper end of inner bag prototype 2；
（5）Necking processing is carried out to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine, so as to form contracting on upper heavy section 21
Oral area 4 simultaneously forms redundancy portion 5 in the top of choke 4, and the choke 4 includes the first choke 41, the successively from top to bottom
Two chokes 42, the 3rd choke 43, the first choke 41, the second choke 42, the 3rd choke 43 contracting it is different；
（6）The upper end of upper heavy section 21 after handling necking cut head processing so as to remove the redundancy portion 5, obtains one
Formula light weight inner bag.
Preferably, described step（2）In, by the inwall of inner bag prototype 2, the uniform coating lubricating oil of outer wall, and inside
It is inserted in courage prototype 2 after mould and three-wheel shear spinning is carried out to the center section of the outer wall of inner bag prototype 2, makes inner bag prototype 2
Middle part is thinning so as to form thinner wall section 22.
Preferably, the step（2）In, the upper heavy section 21, the wall thickness of lower heavy section 23 are 0.5mm, described thin
The wall thickness of wall portion 22 is 0.08mm.
Preferably, the step（3）In, the longitudinally wide W of the reinforcement 24 is 2.5mm, reinforcement 24 it is unilateral
Footpath convex height H is 0.4mm.
Preferably, the step（5）In, described necking is processed as no core rod necking processing, comprises the following steps：
（51）Pre-add heat treatment is carried out to the upper heavy section 21 of inner bag prototype 2, pre-heating temperature is 300 DEG C, the heat time is
10s；
（52）The unilateral contracting N for carrying out necking and choke 4 to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine is to the maximum
12.5mm, toward the compressed air that 0.4MPa is filled with inside inner bag prototype 2 while necking, passes through compressed air and supports inner bag prototype
2 thinner wall section 22, it is to avoid the thinner wall section 22 is deformed；
（53）The step（52）In, while necking on reinforcement 24 on heavy section 21 determine inner bag fixture phase with outer holding-solid
Support and the support of inner bag fixture is determined by outer holding-solid, upper heavy section 21 is shifted to thinner wall section 22 during limitation necking, it is to avoid thinner wall section 22 becomes
Shape.
Preferably, described step（6）In, the upper end of the upper heavy section 21 after handling necking carries out cutting head processing
So as to remove behind the redundancy portion 5, the junction of the first choke 41 and the second choke 42 is carried out by roller press to press clear
Angle is handled, so as to obtain integral type light weight inner bag.
Preferably, carrying out pressing clear angle to handle to the junction of the first choke 41 and the second choke 42 by roller press
Afterwards, flat mouth processing is carried out to inner bag prototype 2 by flat head machine, so as to obtain integral type light weight inner bag.
Embodiment 6
A kind of metal vacuum container manufacture method of integral type light weight inner bag, comprises the following steps：
（1）A circular plate body 1 is taken, punching press is carried out to the circular plate body 1, makes the inner bag of the circular formation of plate body 1 uniform wall thickness former
Type 2 simultaneously forms outside flange 3 in the upper end of the inner bag prototype 2；
（2）The thinning processing of spinning is carried out to the center section of the inner bag prototype 2 so as to form thinner wall section 22 by revolving thin machine, it is interior
Heavy section 21, lower heavy section 23 are formed in courage prototype 2 in the part beyond relative to thinner wall section 22；
（3）By roller press to carrying out beading close to upper heavy section 21 and the junction of thinner wall section 22 on the upper heavy section 21
Processing, forms reinforcement 24；
（4）Scarfing processing is carried out so as to remove the flange 3 to the upper end of inner bag prototype 2；
（5）Necking processing is carried out to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine, so as to form contracting on upper heavy section 21
Oral area 4 simultaneously forms redundancy portion 5 in the top of choke 4, and the choke 4 includes the first choke 41, the successively from top to bottom
Two chokes 42, the 3rd choke 43, the first choke 41, the second choke 42, the 3rd choke 43 contracting it is different；
（6）The upper end of upper heavy section 21 after handling necking cut head processing so as to remove the redundancy portion 5, obtains one
Formula light weight inner bag.
Preferably, described step（2）In, by the inwall of inner bag prototype 2, the uniform coating lubricating oil of outer wall, and inside
It is inserted in courage prototype 2 after mould and three-wheel shear spinning is carried out to the center section of the outer wall of inner bag prototype 2, makes inner bag prototype 2
Middle part is thinning so as to form thinner wall section 22.
Preferably, the step（2）In, the upper heavy section 21, the wall thickness of lower heavy section 23 are 0.5mm, described thin
The wall thickness of wall portion 22 is 0.15mm.
Preferably, the step（3）In, the longitudinally wide W of the reinforcement 24 is 2.5mm, reinforcement 24 it is unilateral
Footpath convex height H is 0.6mm.
Preferably, the step（5）In, described necking is processed as no core rod necking processing, comprises the following steps：
（51）Pre-add heat treatment is carried out to the upper heavy section 21 of inner bag prototype 2, pre-heating temperature is 300 DEG C, the heat time is
20s；
（52）The unilateral contracting N for carrying out necking and choke 4 to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine is to the maximum
12.5mm, toward the compressed air that 0.8MPa is filled with inside inner bag prototype 2 while necking, passes through compressed air and supports inner bag prototype
2 thinner wall section 22, it is to avoid the thinner wall section 22 is deformed；
（53）The step（52）In, while necking on reinforcement 24 on heavy section 21 determine inner bag fixture phase with outer holding-solid
Support and the support of inner bag fixture is determined by outer holding-solid, upper heavy section 21 is shifted to thinner wall section 22 during limitation necking, it is to avoid thinner wall section 22 becomes
Shape.
Preferably, described step（6）In, the upper end of the upper heavy section 21 after handling necking carries out cutting head processing
So as to remove behind the redundancy portion 5, the junction of the first choke 41 and the second choke 42 is carried out by roller press to press clear
Angle is handled, so as to obtain integral type light weight inner bag.
Preferably, carrying out pressing clear angle to handle to the junction of the first choke 41 and the second choke 42 by roller press
Afterwards, flat mouth processing is carried out to inner bag prototype 2 by flat head machine, so as to obtain integral type light weight inner bag.
Embodiment 7
A kind of metal vacuum container manufacture method of integral type light weight inner bag, comprises the following steps：
（1）A circular plate body 1 is taken, punching press is carried out to the circular plate body 1, makes the inner bag of the circular formation of plate body 1 uniform wall thickness former
Type 2 simultaneously forms outside flange 3 in the upper end of the inner bag prototype 2；
（2）The thinning processing of spinning is carried out to the center section of the inner bag prototype 2 so as to form thinner wall section 22 by revolving thin machine, it is interior
Heavy section 21, lower heavy section 23 are formed in courage prototype 2 in the part beyond relative to thinner wall section 22；
（3）By roller press to carrying out beading close to upper heavy section 21 and the junction of thinner wall section 22 on the upper heavy section 21
Processing, forms reinforcement 24；
（4）Scarfing processing is carried out so as to remove the flange 3 to the upper end of inner bag prototype 2；
（5）Necking processing is carried out to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine, so as to form contracting on upper heavy section 21
Oral area 4 simultaneously forms redundancy portion 5 in the top of choke 4, and the choke 4 includes the first choke 41, the successively from top to bottom
Two chokes 42, the 3rd choke 43, the first choke 41, the second choke 42, the 3rd choke 43 contracting it is different；
（6）The upper end of upper heavy section 21 after handling necking cut head processing so as to remove the redundancy portion 5, obtains one
Formula light weight inner bag.
Preferably, described step（2）In, by the inwall of inner bag prototype 2, the uniform coating lubricating oil of outer wall, and inside
It is inserted in courage prototype 2 after mould and three-wheel shear spinning is carried out to the center section of the outer wall of inner bag prototype 2, makes inner bag prototype 2
Middle part is thinning so as to form thinner wall section 22.
Preferably, the step（2）In, the upper heavy section 21, the wall thickness of lower heavy section 23 are 0.4mm, described thin
The wall thickness of wall portion 22 is 0.12mm.
Preferably, the step（3）In, the longitudinally wide W of the reinforcement 24 is 2mm, the unilateral footpath of reinforcement 24
Convex height H is 0.5mm.
Preferably, the step（5）In, described necking is processed as no core rod necking processing, comprises the following steps：
（51）Pre-add heat treatment is carried out to the upper heavy section 21 of inner bag prototype 2, pre-heating temperature is 280 DEG C, the heat time is
15s；
（52）The unilateral contracting N for carrying out necking and choke 4 to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine is to the maximum
10mm, toward the compressed air that 0.6MPa is filled with inside inner bag prototype 2 while necking, passes through compressed air and supports inner bag prototype 2
Thinner wall section 22, it is to avoid the thinner wall section 22 is deformed；
（53）The step（52）In, while necking on reinforcement 24 on heavy section 21 determine inner bag fixture phase with outer holding-solid
Support and the support of inner bag fixture is determined by outer holding-solid, upper heavy section 21 is shifted to thinner wall section 22 during limitation necking, it is to avoid thinner wall section 22 becomes
Shape.
Preferably, described step（6）In, the upper end of the upper heavy section 21 after handling necking carries out cutting head processing
So as to remove behind the redundancy portion 5, the junction of the first choke 41 and the second choke 42 is carried out by roller press to press clear
Angle is handled, so as to obtain integral type light weight inner bag.
Preferably, carrying out pressing clear angle to handle to the junction of the first choke 41 and the second choke 42 by roller press
Afterwards, flat mouth processing is carried out to inner bag prototype 2 by flat head machine, so as to obtain integral type light weight inner bag.
Embodiment 8
A kind of metal vacuum container manufacture method of integral type light weight inner bag, comprises the following steps：
（1）A circular plate body 1 is taken, punching press is carried out to the circular plate body 1, makes the inner bag of the circular formation of plate body 1 uniform wall thickness former
Type 2 simultaneously forms outside flange 3 in the upper end of the inner bag prototype 2；
（2）The thinning processing of spinning is carried out to the center section of the inner bag prototype 2 so as to form thinner wall section 22 by revolving thin machine, it is interior
Heavy section 21, lower heavy section 23 are formed in courage prototype 2 in the part beyond relative to thinner wall section 22；
（3）By roller press to carrying out beading close to upper heavy section 21 and the junction of thinner wall section 22 on the upper heavy section 21
Processing, forms reinforcement 24；
（4）Scarfing processing is carried out so as to remove the flange 3 to the upper end of inner bag prototype 2；
（5）Necking processing is carried out to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine, so as to form contracting on upper heavy section 21
Oral area 4 simultaneously forms redundancy portion 5 in the top of choke 4, and the choke 4 includes the first choke 41, the successively from top to bottom
Two chokes 42, the 3rd choke 43, the first choke 41, the second choke 42, the 3rd choke 43 contracting it is different；
（6）The upper end of upper heavy section 21 after handling necking cut head processing so as to remove the redundancy portion 5, obtains one
Formula light weight inner bag.
Preferably, described step（2）In, by the inwall of inner bag prototype 2, the uniform coating lubricating oil of outer wall, and inside
It is inserted in courage prototype 2 after mould and three-wheel shear spinning is carried out to the center section of the outer wall of inner bag prototype 2, makes inner bag prototype 2
Middle part is thinning so as to form thinner wall section 22.
Preferably, the step（2）In, the upper heavy section 21, the wall thickness of lower heavy section 23 are 0.6mm, described thin
The wall thickness of wall portion 22 is 0.12mm.
Preferably, the step（3）In, the longitudinally wide W of the reinforcement 24 is 3mm, the unilateral footpath of reinforcement 24
Convex height H is 0.5mm.
Preferably, the step（5）In, described necking is processed as no core rod necking processing, comprises the following steps：
（51）Pre-add heat treatment is carried out to the upper heavy section 21 of inner bag prototype 2, pre-heating temperature is 320 DEG C, the heat time is
15s；
（52）The unilateral contracting N for carrying out necking and choke 4 to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine is to the maximum
15mm, toward the compressed air that 0.6MPa is filled with inside inner bag prototype 2 while necking, passes through compressed air and supports inner bag prototype 2
Thinner wall section 22, it is to avoid the thinner wall section 22 is deformed；
（53）The step（52）In, while necking on reinforcement 24 on heavy section 21 determine inner bag fixture phase with outer holding-solid
Support and the support of inner bag fixture is determined by outer holding-solid, upper heavy section 21 is shifted to thinner wall section 22 during limitation necking, it is to avoid thinner wall section 22 becomes
Shape.
Preferably, described step（6）In, the upper end of the upper heavy section 21 after handling necking carries out cutting head processing
So as to remove behind the redundancy portion 5, the junction of the first choke 41 and the second choke 42 is carried out by roller press to press clear
Angle is handled, so as to obtain integral type light weight inner bag.
Preferably, carrying out pressing clear angle to handle to the junction of the first choke 41 and the second choke 42 by roller press
Afterwards, flat mouth processing is carried out to inner bag prototype 2 by flat head machine, so as to obtain integral type light weight inner bag.
Embodiment 9
A kind of metal vacuum container manufacture method of integral type light weight inner bag, comprises the following steps：
（1）A circular plate body 1 is taken, punching press is carried out to the circular plate body 1, makes the inner bag of the circular formation of plate body 1 uniform wall thickness former
Type 2 simultaneously forms outside flange 3 in the upper end of the inner bag prototype 2；
（2）The thinning processing of spinning is carried out to the center section of the inner bag prototype 2 so as to form thinner wall section 22 by revolving thin machine, it is interior
Heavy section 21, lower heavy section 23 are formed in courage prototype 2 in the part beyond relative to thinner wall section 22；
（3）By roller press to carrying out beading close to upper heavy section 21 and the junction of thinner wall section 22 on the upper heavy section 21
Processing, forms reinforcement 24；
（4）Scarfing processing is carried out so as to remove the flange 3 to the upper end of inner bag prototype 2；
（5）Necking processing is carried out to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine, so as to form contracting on upper heavy section 21
Oral area 4 simultaneously forms redundancy portion 5 in the top of choke 4, and the choke 4 includes the first choke 41, the successively from top to bottom
Two chokes 42, the 3rd choke 43, the first choke 41, the second choke 42, the 3rd choke 43 contracting it is different；
（6）The upper end of upper heavy section 21 after handling necking cut head processing so as to remove the redundancy portion 5, obtains one
Formula light weight inner bag.
Preferably, described step（2）In, by the inwall of inner bag prototype 2, the uniform coating lubricating oil of outer wall, and inside
It is inserted in courage prototype 2 after mould and three-wheel shear spinning is carried out to the center section of the outer wall of inner bag prototype 2, makes inner bag prototype 2
Middle part is thinning so as to form thinner wall section 22.
Preferably, the step（2）In, the upper heavy section 21, the wall thickness of lower heavy section 23 are 0.5mm, described thin
The wall thickness of wall portion 22 is 0.12mm.
Preferably, the step（3）In, the longitudinally wide W of the reinforcement 24 is 2.5mm, reinforcement 24 it is unilateral
Footpath convex height H is 0.5mm.
Preferably, the step（5）In, described necking is processed as no core rod necking processing, comprises the following steps：
（51）Pre-add heat treatment is carried out to the upper heavy section 21 of inner bag prototype 2, pre-heating temperature is 300 DEG C, the heat time is
15s；
（52）The unilateral contracting N for carrying out necking and choke 4 to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine is to the maximum
12.5mm, toward the compressed air that 0.6MPa is filled with inside inner bag prototype 2 while necking, passes through compressed air and supports inner bag prototype
2 thinner wall section 22, it is to avoid the thinner wall section 22 is deformed；
（53）The step（52）In, while necking on reinforcement 24 on heavy section 21 determine inner bag fixture phase with outer holding-solid
Support and the support of inner bag fixture is determined by outer holding-solid, upper heavy section 21 is shifted to thinner wall section 22 during limitation necking, it is to avoid thinner wall section 22 becomes
Shape.
Preferably, described step（6）In, the upper end of the upper heavy section 21 after handling necking carries out cutting head processing
So as to remove behind the redundancy portion 5, the junction of the first choke 41 and the second choke 42 is carried out by roller press to press clear
Angle is handled, so as to obtain integral type light weight inner bag.
Preferably, carrying out pressing clear angle to handle to the junction of the first choke 41 and the second choke 42 by roller press
Afterwards, flat mouth processing is carried out to inner bag prototype 2 by flat head machine, so as to obtain integral type light weight inner bag.
Embodiment 10
A kind of metal vacuum container manufacture method of integral type light weight inner bag, comprises the following steps：
（1）A circular plate body 1 is taken, punching press is carried out to the circular plate body 1, makes the inner bag of the circular formation of plate body 1 uniform wall thickness former
Type 2 simultaneously forms outside flange 3 in the upper end of the inner bag prototype 2；
（2）The thinning processing of spinning is carried out to the center section of the inner bag prototype 2 so as to form thinner wall section 22 by revolving thin machine, it is interior
Heavy section 21, lower heavy section 23 are formed in courage prototype 2 in the part beyond relative to thinner wall section 22；
（3）By roller press to carrying out beading close to upper heavy section 21 and the junction of thinner wall section 22 on the upper heavy section 21
Processing, forms reinforcement 24；
（4）Scarfing processing is carried out so as to remove the flange 3 to the upper end of inner bag prototype 2；
（5）Necking processing is carried out to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine, so as to form contracting on upper heavy section 21
Oral area 4 simultaneously forms redundancy portion 5 in the top of choke 4, and the choke 4 includes the first choke 41, the successively from top to bottom
Two chokes 42, the 3rd choke 43, the first choke 41, the second choke 42, the 3rd choke 43 contracting it is different；
（6）The upper end of upper heavy section 21 after handling necking cut head processing so as to remove the redundancy portion 5, obtains one
Formula light weight inner bag.
Preferably, described step（2）In, by the inwall of inner bag prototype 2, the uniform coating lubricating oil of outer wall, and inside
It is inserted in courage prototype 2 after mould and three-wheel shear spinning is carried out to the center section of the outer wall of inner bag prototype 2, makes inner bag prototype 2
Middle part is thinning so as to form thinner wall section 22.
Preferably, the step（2）In, the upper heavy section 21, the wall thickness of lower heavy section 23 are 0.5mm, described thin
The wall thickness of wall portion 22 is 0.11mm.
Preferably, the step（3）In, the longitudinally wide W of the reinforcement 24 is 2.5mm, reinforcement 24 it is unilateral
Footpath convex height H is 0.5mm.
Preferably, the step（5）In, described necking is processed as no core rod necking processing, comprises the following steps：
（51）Pre-add heat treatment is carried out to the upper heavy section 21 of inner bag prototype 2, pre-heating temperature is 300 DEG C, the heat time is
15s；
（52）The unilateral contracting N for carrying out necking and choke 4 to the upper heavy section 21 of inner bag prototype 2 by empty contracting machine is to the maximum
12.5mm, toward the compressed air that 0.6MPa is filled with inside inner bag prototype 2 while necking, passes through compressed air and supports inner bag prototype
2 thinner wall section 22, it is to avoid the thinner wall section 22 is deformed；
（53）The step（52）In, while necking on reinforcement 24 on heavy section 21 determine inner bag fixture phase with outer holding-solid
Support and the support of inner bag fixture is determined by outer holding-solid, upper heavy section 21 is shifted to thinner wall section 22 during limitation necking, it is to avoid thinner wall section 22 becomes
Shape.
Preferably, described step（6）In, the upper end of the upper heavy section 21 after handling necking carries out cutting head processing
So as to remove behind the redundancy portion 5, the junction of the first choke 41 and the second choke 42 is carried out by roller press to press clear
Angle is handled, so as to obtain integral type light weight inner bag.
Preferably, carrying out pressing clear angle to handle to the junction of the first choke 41 and the second choke 42 by roller press
Afterwards, flat mouth processing is carried out to inner bag prototype 2 by flat head machine, so as to obtain integral type light weight inner bag.
In a word, presently preferred embodiments of the present invention is the foregoing is only, it is equal that all scopes according to the present patent application patent are made
Deng change and modification, it should all belong to the covering scope of the present invention.
Claims (9)
1. a kind of manufacture method of metal vacuum container integral type light weight inner bag, it is characterised in that：Comprise the following steps：
（1）Take a circular plate body（1）, to the circular plate body（1）Punching press is carried out, makes circular plate body（1）Form uniform wall thickness
Inner bag prototype（2）And in the inner bag prototype（2）Upper end form outside flange（3）；
（2）By revolving thin machine to the inner bag prototype（2）Center section carry out the thinning processing of spinning so as to forming thinner wall section
（22）, inner bag prototype（2）On relative to thinner wall section（22）Part in addition forms heavy section（21）, lower heavy section（23）；
（3）By roller press to the upper heavy section（21）On close to upper heavy section（21）With thinner wall section（22）Junction enter
The processing of row beading, forms reinforcement（24）；
（4）To inner bag prototype（2）Upper end carry out scarfing processing so as to removing the flange（3）；
（5）By empty contracting machine to inner bag prototype（2）Upper heavy section（21）Necking processing is carried out, so that in upper heavy section（21）On
Form choke（4）And in choke（4）Top form redundancy portion（5）, the choke（4）Include the successively from top to bottom
One choke（41）, the second choke（42）, the 3rd choke（43）, the first choke（41）, the second choke（42）, the 3rd
Choke（43）Contracting it is different；
（6）Upper heavy section after handling necking（21）Upper end cut head processing so as to removing the redundancy portion（5）, obtain
Integral type light weight inner bag.
2. a kind of manufacture method of metal vacuum container integral type light weight inner bag according to claim 1, its feature exists
In：Described step（2）In, by inner bag prototype（2）Inwall, the uniform coating lubricating oil of outer wall, and in inner bag prototype（2）Inner sleeve
Enter after mould to the inner bag prototype（2）The center section of outer wall carries out three-wheel shear spinning, makes inner bag prototype（2）Middle part
It is thinning so as to forming thinner wall section（22）.
3. a kind of manufacture method of metal vacuum container integral type light weight inner bag according to claim 1, its feature exists
In：The step（2）In, the upper heavy section（21）, lower heavy section（23）Wall thickness be 0.4mm~0.6mm, the thinner wall section
（22）Wall thickness be 0.08mm~0.15mm.
4. a kind of manufacture method of metal vacuum container integral type light weight inner bag according to claim 3, its feature exists
In：The step（2）In, the upper heavy section（21）, lower heavy section（23）Wall thickness be 0.4mm, the thinner wall section（22）'s
Wall thickness is 0.11mm~0.12mm.
5. a kind of manufacture method of metal vacuum container integral type light weight inner bag according to claim 4, its feature exists
In：The step（3）In, the reinforcement（24）Longitudinally wide W be 2mm~3mm, reinforcement（24）Unilateral footpath convex
Height H is 0.4mm~0.6mm.
6. a kind of manufacture method of metal vacuum container integral type light weight inner bag according to claim 1, its feature exists
In：The step（5）In, described necking is processed as no core rod necking processing, comprises the following steps：
（51）To inner bag prototype（2）Upper heavy section（21）Pre-add heat treatment is carried out, pre-heating temperature is 280 DEG C~320 DEG C, plus
The hot time is 10s~20s；
（52）By empty contracting machine to inner bag prototype（2）Upper heavy section（21）Carry out necking and choke（4）Unilateral contracting N not
More than 15mm, toward inner bag prototype while necking（2）Inside is filled with 0.4MPa~0.8MPa compressed air, passes through compressed air
Support inner bag prototype（2）Thinner wall section（22）, it is to avoid the thinner wall section（22）Deformation；
（53）The step（52）In, while necking on heavy section（21）On reinforcement（24）Determine inner bag folder with outer holding-solid
Tool offsets and determines the support of inner bag fixture by outer holding-solid, upper heavy section during limitation necking（21）To thinner wall section（22）Transfer, it is to avoid thin
Wall portion（22）Deformation.
7. a kind of manufacture method of metal vacuum container integral type light weight inner bag according to claim 6, its feature exists
In：The step（52）In, by empty contracting machine to inner bag prototype（2）Upper heavy section（21）Carry out necking and choke（4）'s
Unilateral contracting N is not more than 10mm.
8. a kind of manufacture method of metal vacuum container integral type light weight inner bag according to claim 1, its feature exists
In：Described step（6）In, the upper heavy section after handling necking（21）Upper end carry out cutting head processing described so as to remove
Redundancy portion（5）Afterwards, by roller press to the first choke（41）With the second choke（42）Junction carry out pressing clear angle to handle,
So as to obtain integral type light weight inner bag.
9. a kind of manufacture method of metal vacuum container integral type light weight inner bag according to claim 8, its feature exists
In：By roller press to the first choke（41）With the second choke（42）Junction press after clear angle handles, by flat
Mouth machine is to inner bag prototype（2）Flat mouth processing is carried out, so as to obtain integral type light weight inner bag.
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| CN111250621A (en) * | 2018-11-30 | 2020-06-09 | 浙江奔创智能科技有限公司 | Novel metal wafer stretching, thinning and necking process |
| CN111557580A (en) * | 2020-04-14 | 2020-08-21 | 浙江安胜科技股份有限公司 | Lightweight thermos flask and preparation method thereof |
| CN115647205A (en) * | 2022-12-09 | 2023-01-31 | 郑州金阳电气有限公司 | Pipe nipple compression mould |
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| CN109894535A (en) * | 2018-08-23 | 2019-06-18 | 浙江强远数控机床有限公司 | It is a kind of to revolve thin and necking all-in-one machine |
| CN109230523A (en) * | 2018-11-09 | 2019-01-18 | 东莞市特联自动化设备有限公司 | A kind of handling equipment and vacuum cup production line |
| CN111250621A (en) * | 2018-11-30 | 2020-06-09 | 浙江奔创智能科技有限公司 | Novel metal wafer stretching, thinning and necking process |
| CN111557580A (en) * | 2020-04-14 | 2020-08-21 | 浙江安胜科技股份有限公司 | Lightweight thermos flask and preparation method thereof |
| CN115647205A (en) * | 2022-12-09 | 2023-01-31 | 郑州金阳电气有限公司 | Pipe nipple compression mould |
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|---|---|
| CN107116157B (en) | 2018-08-07 |
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