CN110450393A - The production method of integral type bag multiple layer combination body - Google Patents
The production method of integral type bag multiple layer combination body Download PDFInfo
- Publication number
- CN110450393A CN110450393A CN201810428342.1A CN201810428342A CN110450393A CN 110450393 A CN110450393 A CN 110450393A CN 201810428342 A CN201810428342 A CN 201810428342A CN 110450393 A CN110450393 A CN 110450393A
- Authority
- CN
- China
- Prior art keywords
- layer
- plastic sheet
- bag
- thermoplastic plastic
- integral type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
- B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7128—Bags, sacks, sachets
- B29L2031/7129—Bags, sacks, sachets open
Abstract
The invention discloses a kind of production methods of integral type bag multiple layer combination body, are related to bag body manufacturing technique method technical field.It is using thermoplastic plastic sheet as raw material, and by multi-layer thermoplastic plastic sheet layer upon layer, between adjacent thermoplastic plastic sheet, the filler for preventing thermoplastic plastic sheet from layers cementing occurs is added；Eliminate the air of plastic sheet interlayer；Then the combination of sheets being laminated to multi-layer thermoplastic plastic sheet synchronizes thermoforming, and the combination of sheets of planar is made to be shaped to the integral type bag multiple layer combination body with bag chamber.And during producing bag while realizing the noose layer by layer of multilayer bag.The high-efficient of integral type bag multiple layer combination body is produced, it is high-quality.
Description
Technical field
The present invention relates to bag body production method technical fields.
Background technique
Integral type bag refers to the bag that entire body is an integral structure；It is not by planar or tubular plastic film through over-voltage
Connect what bonding obtained.Integral type bag assembly refers to and combines bag body as made of multilayer integral type bag noose layer by layer.It is using
When, the integral type bag body for being integrally formed formula bag assembly can be taken out layer by layer from inside to outside.It is integrally formed the more of formula bag assembly
Layer integral type bag, diameter is successively incremented by from inside to outside, and incremental change enables per two layers adjacent of integral type bag relatively neatly
Fitting.Added with filler between per two layers adjacent of integral type bag, filler can be prevented per two layers adjacent of integral type bag
Bonding.
Structure environment protection type disposable refuse bag, using the technical solution of nested refuse bag, refuse bag begins to use from innermost layer, is often finished
One layer of taking-up, remaining refuse bag continuation then use in dustbin, it is not necessary to bagging repeatedly, it is very easy to use.But
It is that there is also certain problems on it is used, and these problems are then able to solve using integral type bag composite unit structure.
The refuse bag of 201720791280.1- " multilayered structure environment protection type disposable refuse bag convenient to use " a kind of remains as
Traditional bonding refuse bag, is not integral structure, is still to be produced by traditional bag making technique.Traditional bag-making method,
It is to be made up of the crimping of plane or tubular plastic film, the bag body of manufacture is not integral structure, and crimping edge is unsmooth, more
When layer noose, it is easy to appear fold and gap；On the other hand, the sack of traditional bag making assembly line manufacture, size be it is fixed, it is more
When layer noose, it can not precisely realize that the diameter difference of every layer of bag body, diameter difference will also result in the appearance in fold and gap；Another side
Face, the sack of traditional bag-making method production need to assemble layer by layer and obtain multilayer bag body, and not only complexity is also easy to produce in assembling process
Raw fold and gap.On the one hand the accumulation layer by layer of fold can reduce so that being put into inner surface configuration rule degree after dustbin reduces
Dustbin uses volume, and breakage is on the other hand easy to appear at fold.
Since integral type bag itself does not have bonded edge, entire body is smooth, therefore when multilayer noose, it, can layer by layer between bag body
Accomplish to fit closely layer by layer, without fold, so integral type bag assembly is as refuse bag in use, moulding compared to traditional multilayer
Material bag has very big advantage.
Integral type bag assembly is not also existing technical products at present, exists only in the skill being previously mentioned in the background technique
In art index.And integral type bag assembly can not pass through traditional bag making technique production such as blown film, calendering, curtain coating, crimping.At present
There are no corresponding production methods to produce integral type bag assembly in the prior art.
Summary of the invention
The technical problems to be solved by the invention are that it is more to provide a kind of integral type bag for above-mentioned technical deficiency
The production method of layer assembly.
The technical solution adopted by the present invention is that: using thermoplastic plastic sheet as raw material, by multi-layer thermoplastic plastic sheet
Layer upon layer eliminates the air of plastic sheet interlayer；Then combination of sheets multi-layer thermoplastic plastic sheet being laminated
Thermoforming is synchronized, the combination of sheets of planar is made to be shaped to the integral type bag multiple layer combination body with bag cavity.
Before synchronous thermoforming, between adjacent thermoplastic plastic sheet, addition prevents thermoplastic plastic sheet from layer occurs
Between the filler that is bonded.
The present invention is compared with traditional bag-making method: 1, being able to produce out integral type bag multiple layer combination body.2, the mistake of bag is produced
Simultaneously with the noose layer by layer of multilayer bag in journey.3, the high-efficient of integral type bag multiple layer combination body is produced, it is high-quality.
Detailed description of the invention
Fig. 1 is the schematic diagram of synchronization portable type thermoforming of the invention；
In figure, 1, combination of sheets；2, molding cavity；3, elasticity carries pad；4, fluid pressurization device；5, heating device；6, same
Walk assembly；7, integrated plastic bag multiple layer combination body.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
In this technique, the synchronization thermoforming proposed is meant that in the form of combination of sheets, multi-layer thermoplastic plastics
Sheet material, the synchronous temperature distortion of interlayer (in other words interlayer opposing stationary and temperature distortion simultaneously).
In Fig. 1, synchronization group zoarium 6 refers to that elasticity carries pad 3 and compresses a kind of combination after being bonded with combination of sheets 1.
Embodiment 1: it synchronizes and is thermoformed into the synchronous thermoforming of plastic uptake.
Using thermoplastic plastic sheet as raw material, by multi-layer thermoplastic plastic sheet layer upon layer, plastic sheet layer is eliminated
Between air；Then the combination of sheets being laminated to multi-layer thermoplastic plastic sheet synchronizes thermoforming, makes planar
Combination of sheets is shaped to the integral type bag multiple layer combination body with bag cavity.
Before synchronous thermoforming, between adjacent thermoplastic plastic sheet, addition prevents thermoplastic plastic sheet from layer occurs
Between the filler that is bonded.
Plastic uptake synchronizes thermoforming, refers to using existing vacuum forming method, carries out thermoforming to combination of sheets.
Bag cavity refers to: the three-dimensional cavity in the structure of sack, for contain things.
Existing vacuum forming technique has the pack case of certain thickness and enabling capabilities, pallet, primary applied to production
On the products such as property cup.Also unused this technique carries out production polybag in the prior art, but applies vacuum forming technique
Production integral type bag multiple layer combination body is removed, really there is unexpected technical effect.On the one hand, vacuum forming technique is usually to give birth to
The product for producing single layer will appear the technological deficiency of size difference if multilayer, and be used to produce integral type bag multiple layer combination body, just
Being able to satisfy the adjacent interlayer of multilayer integral type bag well must have the demand of size difference.On the other hand, although vacuum forming technique not
It is able to satisfy the thickness requirement of simple integral type bag, but the thickness of combination of sheets, the thickness of vacuum forming technique be able to be met
It is required that.
The integral type bag of single layer, thickness are smaller compared to the shell that traditional vacuum plastic uptake technique produces, usually in 0.005mm
To between 0.05mm.Such as common shopping bag or refuse bag, thickness is between 0.01mm to 0.05mm, this thickness, and one
As not in the range of work of traditional vacuum forming technique.The shell of traditional vacuum plastic uptake technique production, usual thickness is at 8
More than, and material is the rigid plastics with certain enabling capabilities.
In the present embodiment, combination of sheets is stacked together by thermoplastic plastic sheet from level to level, layer by layer thermoplastic
The accumulation of the thickness of sheet material and filler is got up, the minimum of thermoplastic plastic sheet needed for energy greater-than match vacuum forming technique
Thickness.Such as every layer of thermoplastic plastic sheet with a thickness of 0.1mm, 30 layers of thermoplastic plastic sheet stack the thickness plus filler
Degree, is greater than 3mm, this thickness is just within the thickness range of the thermoplastic plastic sheet of vacuum forming technique.
For combination of sheets, on the one hand filler between adjacent thermoplastic plastic sheet will prevent thermoplasticity
Plastic sheet is bonded after by thermal softening, on the other hand, moreover it is possible to occupy the space between thermoplastic plastic sheet, eliminate as much as heat
Air between thermoplastic plastic sheet material.
For thermoplastic plastic sheet's sheet as planar, thermoplastic plastic sheet can be by techniques such as blowing or rolling processes
It obtains, before thermoplastic plastic sheet stacks or during stacking, filler is added, prevents the filler of bonding from can choose two
Methyl-silicone oil, fluororesin powder, talcum powder, mica powder etc., those skilled in the art can be according to integrated plastic bags itself
Material and usage scenario go to select.It, can be to piece when thermoplastic plastic sheet stacks into combination of sheets after filler is added
Material assembly is rolled, and the air between thermoplastic plastic sheet is extruded, and keep the sealing between thermoplastic plastic sheet
State.In the case where filler is liquid, it also can use liquid and voluntarily fill, air is discharged, it is no longer necessary to roll.Most
End form at combination of sheets, air almost drains between thermoplastic plastic sheet layer by layer, in this way during vacuum forming, no
Relative storey displacement can be caused because of the expansion of bubble, made in uneven thickness.
It is uniform for the different depth of integral type bag multiple layer combination body, shape, thickness, thickness for vacuum forming technique
Degree etc. requires, and the property of can choose successively vacuumizes molding using cavity plate vacuum forming, punch-pin vacuum forming, concave-convex mold, froths very
Sky molding, concave-convex mold successively vacuumize the existing forming technique knowledge such as molding and carry out.For convenience those skilled in the art understand that
Vacuum forming thermoforming, those skilled in the art are referred to plastics cup making machine (making cup machine).
Embodiment 2: it synchronizes and is thermoformed into synchronous portable type thermoforming.
A kind of production method of integral type bag multiple layer combination body, using thermoplastic plastic sheet as raw material, by multilayer thermoplastic
Property plastic sheet layer upon layer, eliminate plastic sheet interlayer air；Then multi-layer thermoplastic plastic sheet is laminated
Combination of sheets 1 synchronizes thermoforming, and the combination of sheets 1 of planar is made to be shaped to the integral type bag multilayer group with bag cavity
Zoarium 7.
Before synchronous thermoforming, between adjacent thermoplastic plastic sheet, addition prevents thermoplastic plastic sheet from layer occurs
Between the filler that is bonded；
Synchronous portable type thermoforming, comprising: combination of sheets 1 is subjected to compression with elasticity carrying pad 3 and is bonded；By combination of sheets
1 is heated to soft state；By Fluid pressure, elasticity is made to carry the elastic expansion in molding cavity 2 of pad 3；Pass through setting elasticity
The coefficient of elasticity of the every place position of pad 3 is carried, elasticity is controlled and carries the change that point 3 stops every place position after expansion in molding cavity 2
Thin rate；It passively follows elasticity to carry 3 deformation of pad using combination of sheets 1, corresponds every place position of combination of sheets 1
Every place position that elasticity carries pad 3 generates same reduction；It is tired by the ironing amount of the every place position of combination of sheets 1
Product, finally molds the integral type bag multiple layer combination body 7 with bag cavity in molding cavity 2；
It is thermoformed into principle foundation to synchronize portable type, with the preset shape of bag cavity and thickness of integral type bag multiple layer combination body 7
The degree uniformity is target, sets the coefficient of elasticity that elasticity carries the every place position of pad 3.
Bag cavity refers to: the three-dimensional cavity in the structure of sack, for contain things.
Fluid pressure refers to: air pressure is hydraulic.
Molding cavity refers to: according to the shape of integral type bag multiple layer combination body, the former being correspondingly arranged, combination of sheets exists
Integral type bag multiple layer combination body is formed in molding cavity.
Reduction refers to: thickness change, reduced speed.
Thinned amount of tension refers to: combination of sheets, which carries pad by elasticity, carries tensile deformation, the total volume of every place position
Do not become, thickness is thinned, and surface area increases；Thinned amount of tension just refers to because of surface area increase caused by being thinned.
Elasticity carries the setting for padding the coefficient of elasticity of each position, can be realized by following two ways.
1, it realizes that elasticity carries the setting for padding the coefficient of elasticity of each position, passes through the elasticity modulus of the material of each position
Setting.
2, it realizes that elasticity carries the setting for padding the coefficient of elasticity of each position, is set by the thickness of the material of each position
It is fixed.
Elasticity carries pad, the property that itself should have:
1, heat resistance is able to bear the temperature that assembly is heated to soft state.
2, there is stronger elastic deformation ability.The molding deformation quantity of combination of sheets carries the elasticity of pad in its elasticity
Within deformability.
To sum up two, elasticity, which carries pad, can choose silica gel, high resiliency temperature resistant rubber by improvement etc..
It, can by set product parameters before the two productions of the shape and thickness uniformity of integral type bag multiple layer combination body
Go out the thinned amount of tension that combination of sheets is molded as one every place position during formula bag multiple layer combination body with mathematical computations, according to
Amount of tension is thinned in this, it is every to calculate elasticity carrying pad by Elasticity, calculus or computer simulation software means
Locate the coefficient of elasticity of position.
For the integral type bag multiple layer combination body in traditional refuse bag shopping bag and the present embodiment, bag body
Thickness uniformity is higher, and quality is better, more saving material.The forming method of the present embodiment, with traditional vacuum forming technique
There are similar structures, but traditional vacuum forming technique is difficult to be precisely controlled to the thickness uniformity of type back casing；The present embodiment
Exactly there is elastic carrying to pad, the reduction of the every place position of combination of sheets, just realizes enough essences in active control forming process
The really control body formed thickness uniformity of integral type bag multiple layer combination.
For combination of sheets, on the one hand filler between adjacent thermoplastic plastic sheet will prevent thermoplasticity
Plastic sheet is bonded after by thermal softening, on the other hand, moreover it is possible to occupy the space between thermoplastic plastic sheet, eliminate as much as heat
Air between thermoplastic plastic sheet material.
For thermoplastic plastic sheet's sheet as planar, thermoplastic plastic sheet can be by techniques such as blowing or rolling processes
It obtains, before thermoplastic plastic sheet stacks or during stacking, filler is added, prevents the filler of bonding from can choose two
Methyl-silicone oil, fluororesin powder, talcum powder, mica powder etc., those skilled in the art can be according to integrated plastic bags itself
Material and usage scenario go to select.For there is no the case where filler, the softening temperature of strict control thermoplastic plastic sheet
Degree substantially softens but is unlikely to interlayer and glues；The selection of temperature can be obtained by multiple measurement experiment.After filler is added,
When thermoplastic plastic sheet stacks into combination of sheets, combination of sheets can be rolled, by thermoplastic plastic sheet it
Between air extrude, and keep the sealing state between thermoplastic plastic sheet.It, can also benefit in the case where filler is liquid
It is voluntarily filled, air is discharged, it is no longer necessary to roll with liquid.Finally formed combination of sheets, layer by layer thermoplastic piece
Air almost drains between material, in this way during vacuum forming, will not because of bubble expansion and cause relative storey displacement, make thickness
Degree is uneven.
Claims (2)
1. a kind of production method of integral type bag multiple layer combination body, it is characterised in that:, will using thermoplastic plastic sheet as raw material
Multi-layer thermoplastic plastic sheet layer upon layer eliminates the air of plastic sheet interlayer；Then to multi-layer thermoplastic plastic sheet layer
Combination of sheets made of folded synchronizes thermoforming, and the combination of sheets of planar is made to be shaped to the integral type bag with bag cavity
Multiple layer combination body.
2. the production method of integral type bag multiple layer combination body according to claim 1, it is characterised in that: in synchronous thermoforming
Before, between adjacent thermoplastic plastic sheet, the filler for preventing thermoplastic plastic sheet from layers cementing occurs is added.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810428342.1A CN110450393A (en) | 2018-05-07 | 2018-05-07 | The production method of integral type bag multiple layer combination body |
| PCT/CN2019/085413 WO2019214531A1 (en) | 2018-05-07 | 2019-05-02 | Manufacturing method for multilayered integrated bag assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810428342.1A CN110450393A (en) | 2018-05-07 | 2018-05-07 | The production method of integral type bag multiple layer combination body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110450393A true CN110450393A (en) | 2019-11-15 |
Family
ID=68466862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810428342.1A Pending CN110450393A (en) | 2018-05-07 | 2018-05-07 | The production method of integral type bag multiple layer combination body |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110450393A (en) |
| WO (1) | WO2019214531A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1441411A (en) * | 1973-06-26 | 1976-06-30 | Thurbaform Ltd | Plastics sheet forming method |
| GB2049535A (en) * | 1979-05-25 | 1980-12-31 | Metal Box Co Ltd | Sheet forming |
| CN2172756Y (en) * | 1993-11-05 | 1994-07-27 | 陈立新 | Multi-layer plastic refuse bag |
| CN203047929U (en) * | 2013-01-18 | 2013-07-10 | 左思奇 | Plastic fixing structure of garbage can |
| CN103302938A (en) * | 2013-06-17 | 2013-09-18 | 格日乐其木格 | Plastic product and preparation method thereof |
| CN205416557U (en) * | 2016-03-14 | 2016-08-03 | 乐至县人民医院 | Disposable multilayered film cover lamination arteries and veins area |
| CN110450390A (en) * | 2018-05-07 | 2019-11-15 | 嘉兴优逸客智能家居有限公司 | The production method of integral type bag multiple layer combination body |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1325726A (en) * | 1970-11-13 | 1973-08-08 | Plastona Waddington Ltd John | Method of manufacture thin walled containers |
-
2018
- 2018-05-07 CN CN201810428342.1A patent/CN110450393A/en active Pending
-
2019
- 2019-05-02 WO PCT/CN2019/085413 patent/WO2019214531A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1441411A (en) * | 1973-06-26 | 1976-06-30 | Thurbaform Ltd | Plastics sheet forming method |
| GB2049535A (en) * | 1979-05-25 | 1980-12-31 | Metal Box Co Ltd | Sheet forming |
| CN2172756Y (en) * | 1993-11-05 | 1994-07-27 | 陈立新 | Multi-layer plastic refuse bag |
| CN203047929U (en) * | 2013-01-18 | 2013-07-10 | 左思奇 | Plastic fixing structure of garbage can |
| CN103302938A (en) * | 2013-06-17 | 2013-09-18 | 格日乐其木格 | Plastic product and preparation method thereof |
| CN205416557U (en) * | 2016-03-14 | 2016-08-03 | 乐至县人民医院 | Disposable multilayered film cover lamination arteries and veins area |
| CN110450390A (en) * | 2018-05-07 | 2019-11-15 | 嘉兴优逸客智能家居有限公司 | The production method of integral type bag multiple layer combination body |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019214531A1 (en) | 2019-11-14 |
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