CN112061490A - Film-sandwiched bag-making process based on vacuum pre-opening bag - Google Patents

Film-sandwiched bag-making process based on vacuum pre-opening bag Download PDF

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Publication number
CN112061490A
CN112061490A CN202011074351.9A CN202011074351A CN112061490A CN 112061490 A CN112061490 A CN 112061490A CN 202011074351 A CN202011074351 A CN 202011074351A CN 112061490 A CN112061490 A CN 112061490A
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CN
China
Prior art keywords
film
bag
opening
assembly
layer
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.)
Withdrawn
Application number
CN202011074351.9A
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Chinese (zh)
Inventor
罗邦毅
杨富军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Yongchuang Intelligent Equipment Co Ltd
Original Assignee
Shenzhen Yongchuang Intelligent Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Yongchuang Intelligent Equipment Co Ltd filed Critical Shenzhen Yongchuang Intelligent Equipment Co Ltd
Priority to CN202011074351.9A priority Critical patent/CN112061490A/en
Publication of CN112061490A publication Critical patent/CN112061490A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B65B41/16—Feeding webs from rolls by rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/04—Forming flat bags from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/30—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/146—Closing bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • B65B61/10—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting using heated wires or cutters

Abstract

A film-clamping bag-making process based on a vacuum pre-opened bag comprises the steps of supplying films through a film supply assembly, utilizing a film-separating block to separate double-layer films in the film supply process, pulling the double-layer films after upper and lower films are separated to a limited length by a film-clamping assembly, cutting the double-layer films by a hot cutting assembly to form a single-opening bag, placing the single-opening bag on a transmission platform, opening a pre-opened bag opening of the single-opening bag by the vacuum pre-opened bag assembly, and finally completely opening the single-opening bag into a rectangle by a bag opening assembly; compared with the prior art, the method reduces the steps of adsorbing and fixing the packaging film by the upper bag pre-opening nozzle and the lower bag pre-opening nozzle before the traditional double-layer film hot cutting, pre-opens the bag by utilizing the vacuum pre-opening bag assembly, saves the time for adjusting and calibrating the pre-opening bag assembly, facilitates the subsequent bag opening assembly work, and accelerates the production efficiency.

Description

Film-sandwiched bag-making process based on vacuum pre-opening bag
Technical Field
The invention relates to the field of packaging and bag making, in particular to a film-sandwiched bag making process based on vacuum pre-opening bags.
Background
In the bag making process of the existing bag making device with the film clamping function, the film clamping device pulls out a packaging film, the upper bag film and the lower bag film of the packaging bag are adsorbed and fixed through the upper bag pre-opening suction nozzle and the lower bag pre-opening suction nozzle, the packaging bag is formed by hot cutting, and then the upper bag pre-opening suction nozzle and the lower bag pre-opening suction nozzle are moved to open the pre-opening of the packaging bag; wherein the bottom lacks the platform that supports in the clamping process of packaging film, need open a bag suction nozzle in advance and can carry out the hot cut with wrapping bag absorption after fixed to need wait to open the bag in advance after the hot cut is accomplished.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a film-sandwiched bag-making process based on vacuum pre-bag-opening, which can effectively solve the problems in the background art.
In order to solve the problems, the technical scheme adopted by the invention is as follows: a film-sandwiched bag-making process based on vacuum pre-opening bags comprises the following steps:
A. film supply: the film supply component pushes the folded double-layer film outwards;
B. film separation: the upper film layer and the lower film layer of the folded double-layer film are separated by the film separating block;
C. film drawing: the film clamping assembly clamps the folded double-layer film and pulls out the folded double-layer film;
D. hot cutting: the hot cutting assembly cuts off the folded double-layer film, and the edges of the packaging bag are cut and hot-melted to form a single-opening bag;
E. pre-opening a bag: the vacuum pre-bag opening assembly absorbs the bag film on the packaging bag and then lifts the packaging bag to form an opening at the bag opening;
F. opening the bag: the bag opening assembly extends into the bag opening to fix the upper bag film and the lower bag film and is opened outwards until the bag opening is rectangular.
As a further preferable scheme of the present invention, in the step a, the film supply assembly pushes out the folded double-layer film wound on the film roll by the rotation of the roller; the folding end of the folding double-layer film is far away from one side of the pre-opening bag component.
As a further preferable scheme of the invention, the film separation and the film drawing are carried out synchronously, the folded double-layer film firstly passes through the film separation block, and the separated folded double-layer film is clamped and drawn out by the film clamping assembly.
As a further preferable scheme of the invention, in the step B, the membrane dividing block is arranged between the membrane supply assembly and the hot cutting assembly; the film separating block is positioned between the upper film layer and the lower film layer of the folded double-layer film.
As a further preferable scheme of the invention, in the step C, the film clamping assembly moves to the side of the film separating block, the film clamps at the two sides of the film clamping assembly advance to the avoidance grooves of the film separating block, and the film clamps clamp and fix the folded double-layer film and pull out the folded double-layer film.
As a further preferable scheme of the invention, in the step C, the film clamping assembly performs linear motion through a slide rail; when the film clamping component pulls the folded double-layer film outwards, the middle part of the folded double-layer film falls on the transmission platform between the film clamps at the two sides.
As a further preferable scheme of the present invention, when the hot cutting assembly performs hot cutting and edge sealing on the packaging bag in the step D, the hot cutting and edge sealing is performed on the side edge of the next packaging bag at the same time.
As a further preferable scheme of the invention, when the vacuum bag pre-opening component adsorbs the bag pre-opening of the upper bag film of the packaging bag in the step E, the lower bag film of the packaging bag is on the conveying platform.
As a further preferable scheme of the present invention, in the step E, the lower surface of the vacuum pre-bag-opening assembly is in contact with the surface of the packaging bag, the lower surface of the vacuum pre-bag-opening assembly has an adsorption hole, the adsorption hole is communicated with the vacuum pipeline, and the upper bag film of the packaging bag is adsorbed and fixed by forming a negative pressure at the adsorption hole when the vacuum pre-bag-opening assembly is in contact with the packaging bag.
As a further preferable scheme of the invention, in the step F, the bag opening assembly clamps and fixes the packaging bag through the upper clamping piece and the lower clamping piece, and the bag opening is opened upwards along the direction of the vertical guide rail to form a rectangle.
Compared with the prior art, the invention provides a film-sandwiched bag-making process based on vacuum pre-opening bags, which has the following beneficial effects:
according to the invention, after the packaging film is pulled out to a limited length by the film clamping assembly, the packaging film is thermally cut into single bags by the hot cutting mechanism, the upper bag film of the packaging bag is adsorbed and pulled up by the vacuum bag pre-opening block to form an opening, and the lower bag film of the packaging bag freely falls on the platform; the step of traditional double-layer film hot cutting front upper and lower pre-opening bag mouth adsorption fixed packaging film is reduced, the bag is pre-opened by utilizing the vacuum pre-opening bag assembly, the time of adjusting the pre-opening bag assembly is saved, the subsequent bag assembly work is convenient to open, and the production efficiency is accelerated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a process flow of the present invention;
FIG. 3 is a schematic structural view of the film sandwiching step of the present invention;
FIG. 4 is a schematic structural view of the bag pre-opening step of the present invention;
FIG. 5 is a schematic view of the present invention during the bag opening step;
FIG. 6 is a schematic view of the bag opening assembly of the present invention;
wherein: 1. the device comprises a film supply assembly, 2 a film separating block, 3 a film clamping assembly, 3-1 a transmission platform, 4 a hot cutting assembly, 5 a vacuum bag pre-opening assembly and 6 a bag opening assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The invention provides a film-sandwiched bag-making process based on vacuum pre-opening bags, which comprises the following steps:
A. film supply: the film supply component 1 pushes the folded double-layer film outwards;
B. film separation: the upper film layer and the lower film layer of the folded double-layer film are separated by the film separating block 2;
C. film drawing: the film clamping component 3 clamps the folded double-layer film and pulls out the folded double-layer film;
D. hot cutting: the hot cutting component 4 cuts off the folded double-layer film, and the edges of the packaging bag are cut and hot-melted to form a single-opening bag;
E. pre-opening a bag: the vacuum pre-bag opening assembly 5 absorbs the bag film on the packaging bag and then lifts the packaging bag, and an opening is formed at the bag opening;
F. opening the bag: the bag opening assembly 6 extends into the bag opening to fix the upper bag film and the lower bag film and is opened outwards until the bag opening is rectangular.
As a further preferable scheme of the present invention, in the step a, the film supply assembly 1 pushes out the folded double-layer film wound on the film roll by the rotation of the roller; the folding end of the folding double-layer film is far away from one side of the pre-opening bag component.
As a further preferred scheme of the invention, the film separation and the film drawing are carried out synchronously, the folded double-layer film firstly passes through the film separation block 2, and the separated folded double-layer film is clamped and drawn out by the film clamping component 3.
As a further preferable scheme of the invention, in the step B, the film splitting block 2 is arranged between the film supply assembly 1 and the hot cutting assembly 3; the film separating block 2 is positioned between the upper film layer and the lower film layer of the folded double-layer film.
As a further preferable scheme of the invention, in the step C, the film clamping assembly 3 moves to the side of the film separating block 2, the film clamps at two sides of the film clamping assembly 3 advance to the avoiding grooves of the film separating block 2, and the film clamps clamp and fix the folded double-layer film and pull out the folded double-layer film.
As a further preferable scheme of the invention, in the step C, the film clamping assembly 3 performs linear motion through a slide rail; when the film clamping component 3 pulls the folded double-layer film outwards, the middle part of the folded double-layer film falls on the transmission platform 3-1 between the film clamps at the two sides.
As a further preferable scheme of the present invention, when the hot cutting assembly 4 performs hot cutting and edge sealing on the packaging bag in step D, the hot cutting and edge sealing is performed on the side edge of the next packaging bag at the same time.
As a further preferable scheme of the present invention, when the vacuum bag pre-opening assembly 5 adsorbs the bag pre-opening film on the packaging bag in step E, the bag lower film is on the conveying platform 3-1.
As a further preferable scheme of the present invention, in the step E, the lower surface of the vacuum pre-bag-opening assembly 5 is in contact with the surface of the packaging bag, the lower surface of the vacuum pre-bag-opening assembly 5 has an adsorption hole, the adsorption hole is communicated with the vacuum pipeline, and the upper bag film of the packaging bag is adsorbed and fixed by forming a negative pressure at the adsorption hole when the vacuum pre-bag-opening assembly 5 is in contact with the packaging bag.
As a further preferable scheme of the invention, in the step F, the bag opening assembly 6 clamps and fixes the packaging bag through the upper clamping piece and the lower clamping piece, and the bag opening is opened upwards along the direction of the vertical guide rail to form a rectangle.
As a specific embodiment of the present invention:
the film supply assembly 1 rotates through a rotating roller to push a folded double-layer film wound on a film roll outwards, the folded double-layer film passes through the film separation block 2 when being pushed outwards, the film separation block 2 is positioned between an upper layer film and a lower layer film of the folded double-layer film, the folded double-layer film is pushed out to a small section of the hot cutting assembly 4 along with the film separation process, the film clamping assembly 3 clamps the folded double-layer film and pulls the folded double-layer film outwards along a slide rail, the hot cutting assembly 4 thermally cuts the folded double-layer film and thermally melts and fixes the folded double-layer film after the folded double-layer film is pulled out to a limited length to form a single-opening bag, the pre-opening bag assembly 5 presses downwards to adsorb and fix the upper bag film of the single-opening bag and lifts the upper bag film of the single-opening bag, the bag opening assembly 6 extends into the pre-opening, the upper bag film and the lower bag film are fixed through.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A film-sandwiched bag-making process based on vacuum pre-opening bags comprises the following steps:
film supply: the film supply component (1) pushes the folded double-layer film outwards;
film separation: the upper film layer and the lower film layer of the folded double-layer film are separated by the film separating block (2);
film drawing: the film clamping component (3) clamps the folded double-layer film and pulls out the folded double-layer film;
hot cutting: the hot cutting component (4) cuts off the folded double-layer film, and the edges of the packaging bag are cut and hot-melted to form a single-opening bag;
pre-opening a bag: the vacuum pre-bag opening assembly (5) absorbs the bag film on the packaging bag and then lifts the packaging bag to form an opening at the bag opening;
opening the bag: the bag opening assembly (6) extends into the bag opening to fix the upper bag film and the lower bag film and is opened outwards until the bag opening is rectangular.
2. The film-sandwiched bag-making process based on vacuum pre-opening bag according to claim 1, wherein in step A, the film supply assembly (1) pushes out the folded double-layer film wound on the film roll outwards through the rotation of a roller; the folding end of the folding double-layer film is far away from one side of the pre-opening bag component.
3. The film-sandwiched bag-making process based on vacuum pre-opening bag according to claim 1, characterized in that the film-separating and film-pulling are performed simultaneously, and the folded double-layer film passes through the film-separating block (2), and the separated folded double-layer film is then clamped and pulled out by the film-sandwiching assembly (3).
4. The film-sandwiched bag-making process based on vacuum pre-opening bag according to claim 1, wherein the film-separating block (2) is arranged between the film supply assembly (1) and the hot-cutting assembly (3) in step B; the film separating block (2) is positioned between the upper film layer and the lower film layer of the folded double-layer film.
5. The film-clamping bag-making process based on vacuum pre-opening bags according to claim 1, wherein in the step C, the film-clamping assembly (3) moves to the side of the film-separating block (2), the film clamps on both sides of the film-clamping assembly (3) advance to the avoiding grooves of the film-separating block (2), and the film clamps clamp and fix the folded double-layer film and pull out the folded double-layer film.
6. The film-clamping bag-making process based on vacuum pre-opening bags according to claim 1, wherein the film-clamping assembly (3) performs linear motion through a slide rail in the step C; when the film clamping component (3) pulls the folded double-layer film outwards, the middle part of the folded double-layer film falls on the transmission platform (3-1) between the film clamps at the two sides.
7. The vacuum pre-bag opening based film-sandwiched bag-making process according to claim 1, wherein the hot-cutting assembly (4) performs hot-cut edge sealing on the packaging bag in step D, and simultaneously performs hot-cut edge sealing on the side edge of the next packaging bag.
8. The film-sandwiched bag-making process based on vacuum pre-opening bag according to claim 1, wherein the lower bag film of the packaging bag is on the conveying platform (3-1) when the vacuum pre-opening bag assembly (5) adsorbs the upper bag film of the packaging bag for pre-opening in the step E.
9. The film-sandwiched bag-making process based on vacuum bag pre-opening according to claim 1, wherein in step E, the lower surface of the vacuum bag pre-opening component (5) is in contact with the surface of the packaging bag, the lower surface of the vacuum bag pre-opening component (5) is provided with an adsorption hole, the adsorption hole is communicated with a vacuum pipeline, and the bag film on the packaging bag is adsorbed and fixed by forming negative pressure at the adsorption hole when the vacuum bag pre-opening component (5) is in contact with the packaging bag.
10. The film-sandwiched bag-making process based on vacuum pre-opening of bags according to claim 1, wherein the bag-opening assembly (6) in step F clamps and fixes the packaging bag through an upper clamping piece and a lower clamping piece, and the bag opening is opened upwards to form a rectangle along the direction of a vertical guide rail.
CN202011074351.9A 2020-10-10 2020-10-10 Film-sandwiched bag-making process based on vacuum pre-opening bag Withdrawn CN112061490A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011074351.9A CN112061490A (en) 2020-10-10 2020-10-10 Film-sandwiched bag-making process based on vacuum pre-opening bag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011074351.9A CN112061490A (en) 2020-10-10 2020-10-10 Film-sandwiched bag-making process based on vacuum pre-opening bag

Publications (1)

Publication Number Publication Date
CN112061490A true CN112061490A (en) 2020-12-11

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CN202011074351.9A Withdrawn CN112061490A (en) 2020-10-10 2020-10-10 Film-sandwiched bag-making process based on vacuum pre-opening bag

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113148317A (en) * 2021-04-26 2021-07-23 周碧忠 Packaging machine and packaging method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113148317A (en) * 2021-04-26 2021-07-23 周碧忠 Packaging machine and packaging method

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Application publication date: 20201211

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