CN110481096A - Liquid founds bag hot pressing die - Google Patents
Liquid founds bag hot pressing die Download PDFInfo
- Publication number
- CN110481096A CN110481096A CN201910823205.2A CN201910823205A CN110481096A CN 110481096 A CN110481096 A CN 110481096A CN 201910823205 A CN201910823205 A CN 201910823205A CN 110481096 A CN110481096 A CN 110481096A
- Authority
- CN
- China
- Prior art keywords
- bag
- hot pressing
- sections
- pressing die
- convex surface
- 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
Links
- 238000007731 hot pressing Methods 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000009966 trimming Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 3
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 229920001169 thermoplastic Polymers 0.000 description 4
- 239000004416 thermosoftening plastic Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/006—Controlling; Regulating; Measuring; Safety measures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
Abstract
The invention discloses a kind of hot pressing die for producing liquid and founding bag, which is manufactured using the good metal material of thermal conductivity, and preferably aluminum or aluminum alloy or steel, mold are made of 2~4 identical units, and entire mold is integrally formed.Each unit is made of convex surface and cavity, and wherein cavity is by 2 oblique arc side convex surfaces and 1 underseal side convex surface half round oblique arc side is made of the circular arc of 3 sections of circumscribed connections each other.Using bag is found made of the hot pressing die hot pressing, compared with the vertical bag of tradition, crushing resistance, shock resistance is substantially improved.
Description
Technical field
The invention belongs to molds, are specifically related to the mold that thermoplastic shaping liquid founds bag.
Background technique
As quality of the life is continuously improved in people, more and more daily necessities are processed to the form of liquid, such as wash
Clothing liquid, hand cleanser etc..To reach good appearance, these pack for liquids mostly use greatly the shape of self-standing bag.Product-filled
Afterwards, self-standing bag often generates leakage or Decrepitation Phenomena in vertical bag bottom when weight or carrying are hit, and causes seriously pollution and wave
Take.Resistance to compression, the shock resistance for how improving vertical bag bottom are Li Dai manufacturer technical problems urgently to be solved.
Summary of the invention
The technical problems to be solved by the invention are to provide a kind of vertical bag hot pressing die of liquid, are pressed out with the mold hot
The liquid come founds bag, and resistance to compression, shock resistance have significant increase.
In order to achieve the goal above, the technical solution adopted by the present invention are as follows: a kind of vertical bag hot pressing die of liquid, by 2~4
Identical die unit is composed, and entire mold is integrally formed, and each die unit is by convex surface (2) and semi-enclosed cavity (1)
It constitutes, the intersection trimming of convex surface (2) and cavity (1) is made of 2 oblique arc sides AB, A1B1 and 1 straight line bottom edge BB1.
Further, described 2 oblique arc side AB and A1B1 are relative to the unit center line EF axial symmetry.
Further, the oblique arc side AB is made of the circular arc of 3 sections of circumscribed connections each other, and 3 sections of circular arcs are respectively designated as pushing up
Arc AC, middle arc CD and bottom arc DB.
Further, bag is found using made of hot pressing die heating pressing, the hot edge seal shape of bag bottom is found, with mold
The convex shape of unit is consistent；The shape of oblique arc side and position, the crushing resistance and impact resistance of the bag that opposes play great influence.
Further, as long as the dimensional parameters and selected design parameter of given vertical bag can produce phase by the method for the present invention
The mold answered produces the high vertical bag of resistance to compression, impact resistance with the mold；
Circular is as follows: first set vertical bag parameter: the long L of bag, the wide U of bag found bag embedded quantity H, the wide I of banding, underseal
Wide J redesigns parameter: buffering capacity K, die unit number N；
Using the vertical left base angle of bag as coordinate origin O, using bag length direction as X-direction, using bag wide direction as Y direction, establish
One two-dimensional coordinate system, the position of each section of circular arc of oblique arc side AB and shape can be calculated as follows out:
A point position (XA, YA), wherein XA=I-K, YA=H+K；
B point position (XB, YB), wherein XB=1.12 × (H+I-J), YB=J；
C point position (XC, YC), wherein XC=0.85 × XA+0.15×XB÷1.12；YC=0.85 × YA+0.15×YB；
D point position (XD, YD), wherein XD=0.2 × XA+0.8×XB÷ 1.12, YD=0.2 × YA+0.8×YB；
In view of standing the influence of bag material thickness, the final determination of above 4 positions can be chosen: as follows with each
Calculating point is the center of circle, with 2 in the circle of radius, selection is pinpointed；
Radius R1=(0.3~0.6) × (H-J) of AC sections of circular arcs, radius R2=(4~6) × R1 of CD sections of circular arcs, DB sections
Radius R3=(1~3) × R1 of circular arc；
Mold overall width T=H+K, mold total length W=L × N.
Further, fan-shaped or ellipse is also provided in the Delta Region that oblique arc side AB and underseal side and side sealing surround
Or circular totally enclosed concave point, convenient for being vented between plural layers during hot pressing.
Further, the convex surface of mold is same plane, and flatness controls within the scope of 0.03mm, and convex surface is 2- higher than cavity
10mm。
Further, cavity (1) is semiclosed shape, and wherein AA1 sections are spill straight lines, and AB sections are the oblique camber lines in convex surface, BB1 sections
It is convex surface straight line, B1A1 sections are the oblique camber lines in convex surface.
Implement above-mentioned technical proposal and avoids the bag in high temperature hot pressing by the way that oblique arc side is designed to three sections of circular arcs
Sub- bottom generates problem of stress concentration, guarantees that thermoplastic presses fastness, prevents brittleness tearing, breakage and other issues, together
When by middle section circular shape, strengthen the intensity at the vertical bag bottom angle Liang Ge, promote anti-impact force, improve the mold of bag making industry
It is horizontal.
Detailed description of the invention
Fig. 1 is the top view that liquid founds bag hot pressing die unit.
Fig. 2 is the overall top view that liquid founds bag hot pressing die.
Fig. 3 is the front view that common liquid founds bag.
Fig. 4 is the die unit top view that given specific size is calculated.
Specific embodiment
A specific embodiment of the invention is further illustrated with reference to the accompanying drawing.It should be noted that right
It is used to help understand the present invention in the explanation of these embodiments, but and does not constitute a limitation of the invention.In addition, being retouched below
Technical characteristic involved in each embodiment stated is as long as they do not conflict with each other, so that it may be combined with each other.
For forming a vertical bag, it is desirable that the parameter of bag is following (length unit is unified for mm): the long L=240mm of bag, bag
Wide U=290mm founds bag embedded quantity H=50mm, the wide I=10mm of banding, the wide J=5mm of underseal.
Design parameter: buffering capacity K=3mm, N=3 times of die unit number,
A two-dimensional coordinate system is established by of the present invention, listed calculation formula, various point locations can acquire according to the present invention:
A point (7,53), wherein XA=10-3=7, YA=50+3=53；
B point (61.5,5), wherein XB=1.12 × (50+10-5) ≈ 61.5, YB=5；
C point (14,46), wherein XC1.12 ≈ 14, Y of the ÷ of=0.85 × 7+0.15 × 61.5C=0.85 × 53+0.15 × 5
≈46；
D point (45.5,14.5), wherein 1.12 ≈ 45.5, Y of the ÷ of XD=0.2 × 7+0.8 × 61.5D=0.2 × 53+0.8
×5≈14.5；
It chooses and calculates point finally to determine point: AC sections of arc radius R1=0.46 × (50-5) ≈ 21, CD sections of arc radius
R2=5 × 21=105, DB sections of arc radius R3=1.5 × 21=31.5；
Mold overall width T=H+K=53, mold total length W=L × N=720.
As shown in Figure 1, can be made in Fig. 1 by the above coordinate system and the point position A, B, C, D and the numerical value of R1, R2, R3,
The shape of the oblique camber line of ACDB and position.It according to axially symmetric principle, can then be made in Fig. 1, the shape of the oblique camber line of A1C1D1B1
And position.In this example, ventilative concave point 3 selects sector, and shape and position are empirically determined, are not described further herein.
It is made of as shown in Fig. 2, liquid founds bag hot pressing die 3 same units (Fig. 1), and entire mold is integrally formed.
Mold total length W=720, overall width T=53.Mold metal material (such as: aluminium, the aluminium alloy, steel) system good using thermal conductivity
It makes.
As shown in figure 3, being the face shaping schematic diagram of common vertical bag.The hot edge seal shape of vertical bag bottom, it is vertical with this is produced
2 shape of convex surface of the die unit of bag is consistent.Using identical material, shape and the position of the oblique arc side in bag bottom are stood
It sets, the resistance to compression for the bag that opposes, impact resistance, plays great influence.
Liquid stands the bottom that bag hot pressing die founds bag for thermoplastic pressing and forming liquid.When thermoplastic pressing and forming, need pairs of
Bag hot pressing die is found using liquid in ground.The hot-forming course of work is: the front and back of bag material to be processed and bottom surface are put
It is aligned respectively with the horizontal edge of mold and bottom edge into die unit, and by bag material both sides, material is in Bag Making Machine tractive force
Under pulling, hot pressing is repeated through the N number of unit of mold, finally bottom is enable securely to press.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (8)
1. a kind of liquid founds bag hot pressing die, it is composed of 2~4 identical die units, entire mold is integrally formed, respectively
Die unit is made of convex surface (2) and semi-enclosed cavity (1), it is characterised in that: the intersection trimming of convex surface 2 and cavity 1 is by 2
Oblique arc side AB, A1B1 of item and 1 straight line bottom edge BB1 are constituted.
2. liquid according to claim 1 founds bag hot pressing die, it is characterised in that: described 2 oblique arc side AB and A1B1 phases
For the unit center line EF axial symmetry.
3. liquid according to claim 1 founds bag hot pressing die, it is characterised in that: the oblique arc side AB is outer each other by 3 sections
The circular arc composition of connection is cut, 3 sections of circular arcs are respectively designated as top arc AC, middle arc CD and bottom arc DB.
4. liquid according to claim 1 founds bag hot pressing die, it is characterised in that: using hot pressing die heating pressing
At vertical bag, stand bag bottom hot edge seal shape, it is consistent with the convex shape of die unit；The shape of oblique arc side and position,
The crushing resistance and impact resistance of opposition bag, play great influence.
5. liquid according to claim 3 founds bag hot pressing die, it is characterised in that: as long as the dimensional parameters of given vertical bag are simultaneously
Selected design parameter can produce corresponding mold by the method for the present invention, and it is high to produce resistance to compression, impact resistance with the mold
Vertical bag；
Circular is as follows: first set vertical bag parameter: bag is long=L, and bag is wide=U, founds bag embedded quantity=H, and banding is wide=I,
The wide J of underseal redesigns parameter: buffering capacity=K, die unit number N；
Using the vertical left base angle of bag as coordinate origin O, using bag length direction as X-direction, using bag wide direction as Y direction, one is established
Two-dimensional coordinate system, the position of each section of circular arc of oblique arc side AB and shape can be calculated as follows out:
A point position (XA, YA), wherein XA=I-K, YA=H+K；
B point position (XB, YB), wherein XB=1.12 × (H+I-J), YB=J；
C point position (XC, YC), wherein XC=0.85 × XA+0.15×XB÷1.12；YC=0.85 × YA+0.15×YB；
D point position (XD, YD), wherein XD=0.2 × XA+0.8×XB÷ 1.12, YD=0.2 × YA+0.8×YB；
In view of standing the influence of bag material thickness, the final determination of above 4 positions can be chosen: as follows with each calculating
Point is the center of circle, with convex surface 2 in the circle of radius, selection is pinpointed；
Radius R1=(0.3~0.6) × (H-J) of AC sections of circular arcs, radius R2=(4~6) × R1 of CD sections of circular arcs, DB sections of circular arcs
Radius R3=(1~3) × R1；
Mold overall width T=H+K, mold total length W=L × N.
6. liquid according to claim 1 founds bag hot pressing die, it is characterised in that: oblique arc side AB and underseal side and side sealing
Fan-shaped oval or circular totally enclosed concave point is also provided in the Delta Region surrounded, convenient for multilayer during hot pressing
It is vented between film.
7. liquid according to claim 1 founds bag hot pressing die, it is characterised in that: the convex surface of mold is same plane, is put down
Face degree controls within the scope of 0.03mm, and convex surface is 2-10mm higher than cavity.
8. liquid according to claim 1 founds bag hot pressing die, it is characterised in that: cavity (1) is semiclosed shape, wherein
AA1 sections are spill straight lines, and AB sections are the oblique camber lines in convex surface, and BB1 sections are convex surface straight lines, and B1A1 sections are the oblique camber lines in convex surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910823205.2A CN110481096A (en) | 2019-09-02 | 2019-09-02 | Liquid founds bag hot pressing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910823205.2A CN110481096A (en) | 2019-09-02 | 2019-09-02 | Liquid founds bag hot pressing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110481096A true CN110481096A (en) | 2019-11-22 |
Family
ID=68556090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910823205.2A Pending CN110481096A (en) | 2019-09-02 | 2019-09-02 | Liquid founds bag hot pressing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110481096A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5375930A (en) * | 1993-03-30 | 1994-12-27 | Tani; Kanari | Easily openable synthetic resin bag |
| CN1238730A (en) * | 1996-11-27 | 1999-12-15 | 可口可乐公司 | Stable flexible pouch and method for making the same |
| JP2001206384A (en) * | 2000-01-20 | 2001-07-31 | Dainippon Printing Co Ltd | Sealing form for bottom gusseted standing pouch and sealing method therefor |
| JP2008265810A (en) * | 2007-04-20 | 2008-11-06 | Dainippon Printing Co Ltd | Self-supporting bag |
| CN201201745Y (en) * | 2008-04-24 | 2009-03-04 | 江苏彩华包装集团公司 | Improved sealing leak-proof structure for self-standing bag |
| CN101456266A (en) * | 2007-12-12 | 2009-06-17 | 中山市新宏业自动化工业有限公司 | Slant clip soft-package production method and special die thereof |
| CN201900737U (en) * | 2010-08-31 | 2011-07-20 | 黄山永新股份有限公司 | Liquid bag die |
| CN202594032U (en) * | 2012-05-24 | 2012-12-12 | 陈银洋 | Novel upright bag with integrally formed bag body and bag bottom |
| CN104172483A (en) * | 2014-07-18 | 2014-12-03 | 苏州美山子制衣有限公司 | Method for manufacturing three-dimensional oil bag for bra |
| CN105479813A (en) * | 2015-12-27 | 2016-04-13 | 天津尚吉液压设备有限公司 | Novel bag making die |
| CN206358585U (en) * | 2016-12-30 | 2017-07-28 | 广东顺德宝塑包装有限公司 | A kind of plastic packaging bag rational in infrastructure and its processing mold structure |
| CN207242398U (en) * | 2017-09-22 | 2018-04-17 | 四川创搜电子商务有限公司 | One kind just carries formula heavy dose metering packing bag |
| CN211000221U (en) * | 2019-09-02 | 2020-07-14 | 鹤山市兴龙彩印有限公司 | Hot-pressing mould for liquid vertical bag |
-
2019
- 2019-09-02 CN CN201910823205.2A patent/CN110481096A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5375930A (en) * | 1993-03-30 | 1994-12-27 | Tani; Kanari | Easily openable synthetic resin bag |
| CN1238730A (en) * | 1996-11-27 | 1999-12-15 | 可口可乐公司 | Stable flexible pouch and method for making the same |
| JP2001206384A (en) * | 2000-01-20 | 2001-07-31 | Dainippon Printing Co Ltd | Sealing form for bottom gusseted standing pouch and sealing method therefor |
| JP2008265810A (en) * | 2007-04-20 | 2008-11-06 | Dainippon Printing Co Ltd | Self-supporting bag |
| CN101456266A (en) * | 2007-12-12 | 2009-06-17 | 中山市新宏业自动化工业有限公司 | Slant clip soft-package production method and special die thereof |
| CN201201745Y (en) * | 2008-04-24 | 2009-03-04 | 江苏彩华包装集团公司 | Improved sealing leak-proof structure for self-standing bag |
| CN201900737U (en) * | 2010-08-31 | 2011-07-20 | 黄山永新股份有限公司 | Liquid bag die |
| CN202594032U (en) * | 2012-05-24 | 2012-12-12 | 陈银洋 | Novel upright bag with integrally formed bag body and bag bottom |
| CN104172483A (en) * | 2014-07-18 | 2014-12-03 | 苏州美山子制衣有限公司 | Method for manufacturing three-dimensional oil bag for bra |
| CN105479813A (en) * | 2015-12-27 | 2016-04-13 | 天津尚吉液压设备有限公司 | Novel bag making die |
| CN206358585U (en) * | 2016-12-30 | 2017-07-28 | 广东顺德宝塑包装有限公司 | A kind of plastic packaging bag rational in infrastructure and its processing mold structure |
| CN207242398U (en) * | 2017-09-22 | 2018-04-17 | 四川创搜电子商务有限公司 | One kind just carries formula heavy dose metering packing bag |
| CN211000221U (en) * | 2019-09-02 | 2020-07-14 | 鹤山市兴龙彩印有限公司 | Hot-pressing mould for liquid vertical bag |
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