CN112497885B - Compounding process of high-temperature-resistant cooking bag - Google Patents
Compounding process of high-temperature-resistant cooking bag Download PDFInfo
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- CN112497885B CN112497885B CN202011383779.1A CN202011383779A CN112497885B CN 112497885 B CN112497885 B CN 112497885B CN 202011383779 A CN202011383779 A CN 202011383779A CN 112497885 B CN112497885 B CN 112497885B
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- Prior art keywords
- film
- aluminum foil
- pet
- bag
- composite film
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B43/00—Operations specially adapted for layered products and not otherwise provided for, e.g. repairing; Apparatus therefor
- B32B43/003—Cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
- B65H26/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs for variation in tension
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Making Paper Articles (AREA)
Abstract
The invention relates to the field of processing of cooking bags, in particular to a compounding process of a high-temperature-resistant cooking bag. The method comprises the following steps of (1) enabling a PET film to be opposite to an aluminum foil, extruding glue between the PET film and the aluminum foil, simultaneously applying pressure to the PET film and the aluminum foil, and heating to 35-40 ℃ to obtain a PET-aluminum foil film; step 2, extruding glue between the PET-aluminum foil film and the nylon film, simultaneously pressing the PET-aluminum foil film and the nylon film, and heating to 40-45 ℃ to obtain a composite film; step 3, heating the composite film to 40-50 ℃ and keeping the temperature for 50-70 h, and then cutting the composite film into useless waste edges and a plurality of bag bodies which can be used for subsequent processes; and the end part of the composite film passes through the space between the compression roller and the support roller, then the end part of the composite film is pulled, so that the composite film slides relative to the compression roller, and meanwhile, a bag body pushed out by a hinged push plate on the support roller is collected. The compounding process of the high-temperature resistant cooking bag does not need to transport the composite film in a whole roll, so that the workload of transportation is reduced, and the processing efficiency is improved.
Description
Technical Field
The invention relates to the field of processing of cooking bags, in particular to a compounding process of a high-temperature-resistant cooking bag.
Background
The retort pouch is a composite plastic film pouch capable of being heated, and has the advantages of both a can container and a boiling-water-resistant plastic pouch, so that the retort pouch is also called a 'soft can', and is an ideal food packaging container. The existing cooking bag usually comprises a plurality of procedures such as printing, compounding, bag making, detection and the like, wherein the compounding procedure is to compound at least two layers of different laminated structures together to form a composite film, so that the cooking bag has the advantage of integrating different laminated mechanisms.
At present in the manufacturing process, the complex film through compound process processing rolls earlier, then unified transportation to the system bag process again, but the weight of the complex film of rolling is great, the work load of transportation is great, and still need take off the wind-up roll from the equipment that is used for rolling the complex film, and install to the equipment of system bag process on, careless complex film that leads to the rolling drops during the installation slightly easily, injures the workman by a crashing object, and pull down, the installation also needs the certain time, lead to machining efficiency to reduce.
Disclosure of Invention
The invention aims to provide a compounding process of a high-temperature-resistant cooking bag without whole-roll transportation of a composite film, so that the transportation workload is reduced, and the processing efficiency is improved.
In order to achieve the purpose, the invention adopts the following technical scheme: a composite process of a high-temperature-resistant cooking bag comprises the following steps:
step 1, enabling a PET film and an aluminum foil to face each other, extruding glue between the PET film and the aluminum foil, simultaneously pressing the PET film and the aluminum foil, and heating to 35-40 ℃ until the PET film and the aluminum foil are compounded to obtain a PET-aluminum foil film;
step 2, the nylon film is opposite to the aluminum foil on the PET-aluminum foil film, glue is squeezed between the PET-aluminum foil film and the nylon film, the PET-aluminum foil film and the nylon film are pressed at the same time, and the temperature is heated to 40-45 ℃ until the PET-aluminum foil film and the nylon film are compounded, so that a composite film is obtained;
The beneficial effect of this scheme does:
1. and 3, cutting the composite film, wherein the cut bag body is used for processing a cooking bag, and the waste edge cannot be utilized and belongs to a waste part. Compare with the whole system bag processes of transporting of the complex film of tradition with the rolling, need not to transport the slitter edge in this scheme, reduce the weight that needs the transportation part to reduce the work load of transportation. Secondly, the complex film has been cut in this scheme, so the bag body of transporting to the system bag process can directly use, need not to install the complex film of rolling in advance in the equipment of system bag, reduces the time that the change membrane book needs, further improves machining efficiency.
2. Because the bag body has been cut, but the bag body after cutting passes through the conveyer belt rapid transport to the system bag process, and when transporting through the conveyer belt, the bag body can tile on the conveyer belt one by one moreover, and it is more convenient to take when system bag process adds man-hour, further makes things convenient for follow-up processing.
Further, the pressure applied to the nylon film and the PET-aluminum foil film in the step 2 is 0.28 to 0.32mPa.
The beneficial effect of this scheme does: the pressure to the nylon membrane and the PET-aluminum foil membrane is low in the scheme, and the nylon membrane and the PET-aluminum foil membrane can be prevented from being greatly deformed to cause damage to the nylon membrane and the PET-aluminum foil membrane.
Further, the gluing amount of the glue in the step 2 is 2-2.2 g/square meter.
The beneficial effect of this scheme does: the gluing amount of the glue is small, so that the situation that the glue is too much and overflows from the side edge of the nylon film and the PET-aluminum foil film when the nylon film and the PET-aluminum foil film are pressed to cause glue waste or the glue is adhered to the surface of the composite film to cause the composite film to be adhered to other structures of equipment can be avoided.
Further, a winding roller is adopted to wind the slitter edges in the step 3.
The beneficial effect of this scheme does: can roll up the slitter edge fast through the wind-up roll, can also make the bag body of being connected with the slitter edge remove when carrying out the rolling to the slitter edge moreover to avoid the operator direct and bag body contact, lead to the bag body to receive the pollution.
Further, a guide roller is arranged between the supporting roller and the winding roller in the step 3.
The beneficial effect of this scheme does: the guide roll guides the slitter edge, and avoids the slitter edge from moving and interfering with other structures of equipment in the winding process.
Further, the rolling pressure of the waste edge in the step 3 is 0.25 to 0.3mPa.
The beneficial effect of this scheme does: along with the going on of rolling, the slitter edge of being rolled on the wind-up roll increases, and under the same circumstances of the slew velocity of wind-up roll, the length increase of the slitter edge of being rolled up in the unit interval leads to the pulling force increase to slitter edge and complex film, makes slitter edge and complex film warp easily. This scheme can control the slew velocity of wind-up roll through control rolling pressure for the pulling force to the complex film is the same, avoids the complex film to take place obvious deformation.
Drawings
FIG. 1 is an elevational vertical cross-sectional view of a support roller for use with an embodiment of the present invention;
fig. 2 is a schematic view illustrating a state after the support roller of fig. 1 is rotated.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: composite film 1, compression roller 2, main shaft 3, lug 31, push pedal 32, conveyer belt 4, negative pressure hole 41, negative pressure chamber 42, support bar 43.
Examples
A compounding process of a high-temperature-resistant cooking bag comprises the following steps:
step 1, enabling a PET film and an aluminum foil to face each other, extruding glue between the PET film and the aluminum foil, simultaneously pressing the PET film and the aluminum foil, and heating to 35-40 ℃ until the PET film and the aluminum foil are compounded to obtain a PET-aluminum foil film;
step 2, enabling the nylon film to be opposite to the aluminum foil on the PET-aluminum foil film, extruding glue between the PET-aluminum foil film and the nylon film, wherein the gluing amount is 2-2.2 g/square meter, simultaneously applying pressure to the PET-aluminum foil film and the nylon film, keeping the pressure at 0.28-0.32 mPa, heating to 40-45 ℃ until the PET-aluminum foil film and the nylon film are compounded, and obtaining a composite film;
The supporting roller related to the step 3 is shown in fig. 1 and fig. 2, and comprises a main shaft 3 opposite to the compression roller 2, at least one pushing unit is axially distributed on the main shaft 3, the pushing unit comprises a plurality of pushing assemblies uniformly distributed along the circumferential direction of the main shaft 3, each pushing assembly comprises a bump 31 and a push plate 32, the middle part of each push plate 32 is hinged to the bump 31, and the main shaft 3 is located above the winding roller and the cutter.
Adjacent lateral wall rounding off of push pedal 32 and the equal radius angle of apex angle of push pedal 32 cause the damage to complex film 1 when avoiding push pedal 32 and complex film 1 to contact, and during the backing roll use, because the backing roll is higher than cutter and wind-up roll, so lie in the backing roll and press the 1 upwards archs of complex film between the roller 2 under the effect of backing roll, the 1 downward sloping of complex film of the backing roll left and right sides promptly. Adopt conveyer belt 4 and backing roll cooperation in step 3 for with the bag body to bag process transportation, it is concrete, conveyer belt 4 is located the right side of main shaft 3, and the wind-up roll is located the below of conveyer belt 4, the left end of conveyer belt 4 pastes with complex film 1 mutually, and promotes bag body right-hand member at push pedal 32 right-hand member, leads to bag body right-hand member and slitter edge separation and right perk back, and conveyer belt 4 surface pastes with the bag body mutually. A negative pressure cavity 42 is arranged in the transmission belt, a plurality of negative pressure holes 41 communicated with the negative pressure cavity 42 are formed in the surface of the transmission belt 4, a support bar 43 shaped like a Chinese character 'jing' is further arranged in the negative pressure cavity 42, the support block is also made of flexible rubber, and a plurality of through holes are formed in the support block, so that the negative pressure cavity 42 can keep negative pressure everywhere.
The composite film 1 in the step 3 is opposite to the push plate 32 when being positioned on the left side of the main shaft 3, then along with the clockwise rotation of the main shaft 3, the push plate 32 on the left side gradually rotates to the position opposite to the compression roller 2, the push plate 32 rotates clockwise under the action of the compression roller 2, and the left end of the bag body is pushed leftwards by the left end of the push plate 32, so that the left end of the bag body is separated from the waste edge. Along with the rotation of wind-up roll, complex film 1 moves right the right side to main shaft 3, meanwhile, main shaft 3 rotates, make push pedal 32 along with 1 synchronous motion of complex film, after lug 31 of being connected with push pedal 32 rotates to the right side of compression roller 2, anticlockwise rotation takes place under compression roller 2's effect for push pedal 32, the right-hand member of the bag body is promoted right with push pedal 32's right-hand member, make the right-hand member of the bag body perk right and contact with conveyer belt 4, the right-hand member of the bag body is adsorbed on conveyer belt 4 this moment, along with conveyer belt 4's operation, the bag body is driven right, separate with the slitter edge, the last bag body pastes completely on conveyer belt 4, be transported to the system bag process by conveyer belt 4, need not artifical and bag body contact.
When the press roller 2 and the supporting roller are adopted, the two ends of the push plate 32 can respectively push the two ends of the bag body, so that the bag body is separated from the waste edges, and finally the bag body can be conveyed to a bag making process by the conveyor belt 4. Compared with the method that the bag body is completely cut off by the cutter for transportation, when the bag body is cut by the annular cutter, the bag body is easily clamped into the annular cutter and is difficult to fall out, and if the bag body is blown downwards by air flow, the bag body is easily displaced by the air flow and is difficult to accurately fall on the conveyor belt 4 because the weight of the bag body is smaller when the bag body is separated from the cutter; and the air current still makes the bag body take place the upset easily, need adjust the bag body when the system bag, and the equipment that this embodiment adopted can fix a position the bag body, avoids the upset of the bag body and aversion.
Specifically, the present invention provides embodiments 1 to 3, the operation steps of embodiments 1 to 3 are the same as the above steps, and only the heating temperature of step 1, the sizing amount and pressure of step 2, the heating temperature and heating time of step 3, and the winding pressure in step 3 are different, and specific values are shown in the following table:
on the basis of the example 1, a comparative example 1 is designed, and the other operations of the steps 1 to 3 are the same as those of the example 1 except that the composite film is not cut in the step 3 of the comparative example 1, or the structure of the press roll and the support roll is not adopted, the composite film is firstly wound, then the whole rolled composite bag is transported to a bag making process, and then the composite film is cut by a cutter.
Counting the time required for producing the bag bodies with the same quantity and specification and the number of workers required in the processing process, and calculating the ratio of the time length of the comparative example 1 to the time length of the example 1 on the basis of the time length required by the example 1; based on the number of workers required in the example, the ratio of the number of workers required in comparative example 1 to the number of workers in example 1 was calculated, and the test results were as follows:
| length of time ratio | Number of workers required | |
| Example 1 | 1 | 1 |
| Comparative example 1 | 1.45 | 1.67 |
It can be seen from the comparison tests that the time required by the embodiment is shorter, the number of required workers is less, and the workload of the workers can be reduced while the production efficiency is improved. In addition, in the embodiment 1, the coiled composite film does not need to be carried, so that the composite film with larger weight can be prevented from falling down and injuring workers, and the production safety is improved.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. A composite process of a high-temperature resistant cooking bag is characterized in that: the method comprises the following steps:
step 1, enabling a PET film and an aluminum foil to face each other, extruding glue between the PET film and the aluminum foil, simultaneously pressing the PET film and the aluminum foil, and heating to 35-40 ℃ until the PET film and the aluminum foil are compounded to obtain a PET-aluminum foil film;
step 2, enabling the nylon film to be opposite to the aluminum foil on the PET-aluminum foil film, extruding glue between the PET-aluminum foil film and the nylon film, simultaneously pressing the PET-aluminum foil film and the nylon film, and heating to 40-45 ℃ until the PET-aluminum foil film and the nylon film are compounded to obtain a composite film;
step 3, heating the composite film to 40-50 ℃ and keeping the temperature for 50-70h, then cutting the composite film into useless waste edges and a plurality of bag bodies which can be used for subsequent processes, and enabling the bag bodies and the waste edges to have adhesion parts during cutting; winding the waste edges by using a winding roller, enabling the end part of the composite film to penetrate through the space between the compression roller and the supporting roller, and then pulling the end part of the composite film to enable the composite film to slide relative to the compression roller; the bag body is driven to the right along with the operation of the conveying belt and is separated from the waste edges, and finally the bag body is completely attached to the conveying belt; and meanwhile, the bag body pushed out by the push plate hinged on the supporting roller is collected.
2. The compounding process of a retort pouch according to claim 1, wherein: in the step 2, the pressure applied to the nylon film and the PET-aluminum foil film is 0.28 to 0.32mPa.
3. The compounding process of the autoclavable bag of claim 2, wherein: the gluing amount of the glue in the step 2 is 2-2.2 g/square meter.
4. The compounding process of a autoclavable bag of claim 3, wherein: and 3, arranging a guide roller between the supporting roller and the winding roller.
5. The compounding process of the autoclavable bag of claim 4, wherein: the winding pressure of the waste edge in the step 3 is 0.25-0.3 mPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011383779.1A CN112497885B (en) | 2020-11-30 | 2020-11-30 | Compounding process of high-temperature-resistant cooking bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011383779.1A CN112497885B (en) | 2020-11-30 | 2020-11-30 | Compounding process of high-temperature-resistant cooking bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112497885A CN112497885A (en) | 2021-03-16 |
| CN112497885B true CN112497885B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011383779.1A Active CN112497885B (en) | 2020-11-30 | 2020-11-30 | Compounding process of high-temperature-resistant cooking bag |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2291424Y (en) * | 1997-05-12 | 1998-09-16 | 黄美昌 | Automatic cutting device for waste edge of cylindrical plastic braided composite bag |
| JP5838024B2 (en) * | 2010-08-30 | 2015-12-24 | ユニ・チャーム株式会社 | Manufacturing method, manufacturing apparatus, and manufacturing method for absorbent article of continuous sheet composite according to absorbent article |
| CN102367010A (en) * | 2011-10-14 | 2012-03-07 | 江阴升辉包装材料有限公司 | Production device for aluminum foil composite packaging bag |
| GB2528302B (en) * | 2014-07-17 | 2020-08-19 | Welland Medical Ltd | Ostomy bag |
| CN106144161A (en) * | 2015-04-13 | 2016-11-23 | 天津市久大塑料制品有限公司 | A kind of simple and easy method improving plastic knitting shopping bag production efficiency |
| HUP1600341A2 (en) * | 2016-05-26 | 2017-11-28 | Flexinnova Kft | Antislip flexible materials and methods for their making and use |
| CN107322992B (en) * | 2017-07-25 | 2023-06-16 | 常州市卫翔机械有限公司 | Automatic bagging and cutting machine for plastic woven bags |
| CN209566198U (en) * | 2018-12-08 | 2019-11-01 | 河南省银丰塑料有限公司 | A kind of plastic film automatic cutting means |
| CN109605829B (en) * | 2018-12-14 | 2020-08-28 | 重庆鼎盛印务股份有限公司 | Antistatic PE bag processing compounding machine |
| CN111070792B (en) * | 2019-12-25 | 2021-09-17 | 马鞍山市欧凯包装材料有限公司 | Puncture-resistant and high-temperature-resistant cooking packaging bag production device and processing technology thereof |
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2020
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