CN111409927A - Rodless film-making movable bag-expanding packaging mechanism and bag-making packaging process thereof - Google Patents
Rodless film-making movable bag-expanding packaging mechanism and bag-making packaging process thereof Download PDFInfo
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- CN111409927A CN111409927A CN202010287947.0A CN202010287947A CN111409927A CN 111409927 A CN111409927 A CN 111409927A CN 202010287947 A CN202010287947 A CN 202010287947A CN 111409927 A CN111409927 A CN 111409927A
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- film
- bag
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- making
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Classifications
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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
- B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
- B65B65/003—Packaging lines, e.g. general layout
-
- 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
- B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
- B65B35/10—Feeding, e.g. conveying, single articles
- B65B35/20—Feeding, e.g. conveying, single articles by reciprocating or oscillatory pushers
-
- 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
- B65B41/14—Feeding webs from rolls by grippers
-
- 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
- B65B43/26—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
- 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
- B65B43/34—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure
-
- 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
-
- 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
-
- 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 rodless film-making movable bag-expanding packaging mechanism comprises a bag-making mechanism, a bag-opening mechanism and a packaging mechanism, and is characterized in that the bag-making mechanism is provided with film rolls which are fixedly connected; the bag making mechanism is fixedly connected with a film clamping mechanism which is fixedly connected with a slide rail; the film clamping mechanism is fixedly connected with the film roll through a hot cutting mechanism; the packaging mechanism is provided with a box pushing mechanism, and bag arranging mechanisms are fixedly connected with the two sides of the box pushing mechanism; the packaging mechanism is provided with a rim charge cutting mechanism and a thermoplastic mechanism; the bag opening mechanism is fixedly connected with a movable guide rail; the device replaces the existing film pushing rod with the film clamping mechanism, and the hot cutting mechanism can perform hot cutting only by waiting for the packaging film to be in place, so that the time for waiting for the resetting of the film pushing rod is saved, and the working efficiency is improved; and the packaging film can be continuously manufactured without waiting for the reset of the box pushing mechanism through the movable bag opening mechanism, so that the production efficiency is increased again.
Description
Technical Field
The invention relates to the field of bag making and packaging, in particular to a rodless film-making movable bag expanding packaging mechanism and a bag making and packaging process thereof.
Background
In the manufacturing process, after the film pushing rod pushes the film, the film needs to wait for other fixing mechanisms to fix the double-layer film and then retreat, however, a hot cutter needs to perform hot cutting and edge sealing after the film pushing rod retreats, so that the film manufacturing efficiency by using the film pushing rod is low; in the film making process, bag making and bagging are in the same position, and the next bag making can be carried out only after the articles are bagged and conveyed away and the box pushing mechanism is reset.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a rodless film-making movable bag-expanding packaging mechanism, which can effectively solve the problems in the background technology.
In order to solve the problems, the technical scheme adopted by the invention is as follows: a rodless film-making movable bag-expanding packaging mechanism comprises a bag-making mechanism, a bag-opening mechanism and a packaging mechanism, and is characterized in that the bag-making mechanism is provided with film rolls which are fixedly connected; the bag making mechanism is fixedly connected with a film clamping mechanism which is fixedly connected with a slide rail; the film clamping mechanism is fixedly connected with the film roll through a hot cutting mechanism; the packaging mechanism is provided with a box pushing mechanism, and bag arranging mechanisms are fixedly connected with the two sides of the box pushing mechanism; the packaging mechanism is provided with an edge material cutting mechanism and a thermoplastic mechanism, and the edge material cutting mechanism is provided with a surplus material cutting mechanism and a leftover material removing mechanism; the bag opening mechanism is provided with an upper film clamp and a lower film clamp, and the upper film clamp and the lower film clamp are fixedly connected through a movable guide rail.
As a further preferable aspect of the present invention, the film roll is a folded double-layer film.
As a further preferable scheme of the invention, the bag opening mechanism is provided with a film opening suction nozzle for fixed connection.
As a further preferable scheme of the invention, the bag arranging mechanism is positioned behind the box pushing mechanism push plate.
As a further preferable scheme of the invention, a transmission mechanism is arranged between the excess material cutting mechanism and the leftover material removing mechanism and is fixedly connected with the excess material cutting mechanism.
As a further preferable scheme of the invention, the bag-making and packaging process comprises the following steps:
① film clamping, wherein the film clamping mechanism moves to the side of the hot cutting mechanism through the travel of the slide rail to clamp the packaging film on the film roll;
② film drawing, namely, the film clamping mechanism slides away from the hot cutting mechanism through a slide rail to draw the packaging film of the film roll to a certain length;
③ cutting the film, namely segmenting the film by a hot cutting mechanism through a hot cutter, and carrying out hot edge sealing by the hot cutter;
④ opening the bag, wherein the film opening suction nozzle sucks the upper and lower films of the packaging film to form a small gap, the upper and lower film clamps extend into the packaging film to clamp the upper and lower films, and the opening of the packaging film is opened into a rectangle while the upper and lower film clamps move towards the box pushing mechanism;
⑤ bagging, wherein the box pushing mechanism pushes the articles to be packaged into the packaging film to the end of the packaging film, and one end of the packaging film forms a corner;
⑥ arranging bag, wherein the bag arranging mechanism compresses and stretches the redundant parts of the packaging bag to make the upper and lower films of the packaging bag cling to each other to form a straight line;
⑦ cutting off leftover material, namely cutting off the redundant linear packaging film by a redundant material cutting mechanism by using a hot cutter, and thermally sealing the opening of the packaging bag;
⑧ cutting off leftover materials, wherein the residual material cutting mechanism cuts off the packaging film and then the sealing side forms a corner, and the sealed article and the packaging film are transmitted to the leftover material removing mechanism to cut off the corner and carry out heat sealing;
⑨ thermoplastic molding, the article is passed through a thermoforming machine, and the wrapping film is tightened with high temperature to hold the wrapping film against the article.
As a further preferable aspect of the present invention, the box pushing mechanism continues to push the article just completely through the remainder cutting mechanism.
As a further preferable aspect of the present invention, the hot cutting mechanism performs the hot edge sealing using a hot knife.
In a more preferred embodiment of the present invention, the heat-sealed side of the hot knife is heat-sealed to the hot air side of the present packaging bag and to the next packaging bag at the same time
Compared with the prior art, the invention provides a rodless film-making movable bag-expanding packaging mechanism and a bag-making packaging process thereof, and the rodless film-making movable bag-expanding packaging mechanism has the following beneficial effects:
the device replaces the existing film pushing rod with the film clamping mechanism, and the hot cutting mechanism can perform hot cutting only by waiting for the packaging film to be in place, so that the time for waiting for the resetting of the film pushing rod is saved, and the working efficiency is improved; and the packaging film can be continuously manufactured without waiting for the reset of the box pushing mechanism through the movable bag opening mechanism, so that the production efficiency is increased again.
Drawings
FIG. 1 is a schematic view of a bag making mechanism of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is a process flow diagram of the present invention;
wherein: 1. film roll 2, film clamping mechanism 3, hot cutting mechanism 4, box pushing mechanism 5, box pushing mechanism 6, excess material cutting mechanism 7 and bag opening mechanism.
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.
Referring to fig. 1-3, the invention provides a rodless film-making movable bag-expanding packaging mechanism, which comprises a bag-making mechanism, a bag-opening mechanism 7 and a packaging mechanism, and is characterized in that the bag-making mechanism is provided with a film roll 1 which is fixedly connected; the bag making mechanism is provided with a film clamping mechanism 2 which is fixedly connected, and the film clamping mechanism 2 is provided with a slide rail which is fixedly connected; a hot cutting mechanism 3 is fixedly connected between the film clamping mechanism 2 and the film roll 1; the packaging mechanism is provided with a box pushing mechanism 4, and bag arranging mechanisms 5 are fixedly connected with two sides of the box pushing mechanism 4; the packaging mechanism is provided with an edge material cutting mechanism and a thermoplastic mechanism, and the edge material cutting mechanism is provided with a residual material cutting mechanism 6 and a leftover material removing mechanism; the bag opening mechanism 7 is provided with an upper film clamp and a lower film clamp, and the upper film clamp and the lower film clamp are fixedly connected through a movable guide rail.
As a further preferable aspect of the present invention, the film roll 1 is a folded double-layer film.
As a further preferable scheme of the present invention, the bag opening mechanism 7 is provided with a film opening suction nozzle for fixed connection.
As a further preferable scheme of the present invention, the bag arranging mechanism 5 is located behind the pushing plate of the box pushing mechanism 4.
As a further preferable scheme of the present invention, a transmission mechanism is arranged between the excess material cutting mechanism 6 and the leftover material removing mechanism for fixed connection.
As a further preferable scheme of the invention, the bag-making and packaging process comprises the following steps:
① film clamping, wherein the film clamping mechanism 2 moves to the side of the hot cutting mechanism 3 through the travel of the slide rail to clamp the packaging film on the film roll 1;
② film drawing, namely, the film clamping mechanism 2 slides away from the hot cutting mechanism 3 through a slide rail to draw the packaging film of the film roll 1 to a certain length;
③ cutting the film, namely segmenting the film by a hot cutting knife and carrying out hot edge sealing by the hot cutting knife by the hot cutting mechanism 3;
④ opening the bag, wherein the film opening suction nozzle sucks the upper and lower films of the packaging film to form a small gap, the upper and lower film clamps extend into the packaging film to clamp the upper and lower films, and the opening of the packaging film is opened into a rectangle while the upper and lower film clamps move towards the box pushing mechanism;
⑤ bagging, namely pushing the articles to be packaged into the packaging film by the box pushing mechanism 4 to push the articles to be packaged into the packaging film to the end of the packaging film, wherein one end of the packaging film forms a corner;
⑥ arranging bag, wherein the bag arranging mechanism 5 compresses and stretches the redundant parts of the packaging bag to make the upper and lower films of the packaging bag tightly attached to form a straight line;
⑦ cutting off leftover materials, namely cutting off redundant linear packaging films by the residual material cutting mechanism 6 by using a hot cutter, and carrying out heat sealing on the openings of the packaging bags;
⑧ cutting off leftover materials, wherein the residual material cutting mechanism (6) cuts off the sealed side of the packaging film to form a corner, and the sealed article and the packaging film are transmitted to a leftover material removing mechanism to cut off the corner and carry out heat sealing;
⑨ thermoplastic molding, the article is passed through a thermoforming machine, and the wrapping film is tightened with high temperature to hold the wrapping film against the article.
As a further preferable scheme of the invention, the box pushing mechanism 4 continues to push the article to just pass through the excess material cutting mechanism 6 completely.
As a further preferable embodiment of the present invention, the hot cutting mechanism 3 performs hot edge sealing by using a hot knife.
In a more preferred embodiment of the present invention, the heat-sealed side of the hot knife is heat-sealed to the hot air side of the present packaging bag and to the next packaging bag at the same time
As a specific embodiment of the present invention:
the film clamping mechanism 2 clamps the folded double-layer film and then pulls the folded double-layer film, the hot cutting mechanism 3 carries out hot cutting and edge sealing after the folded double-layer film reaches a specified length to form a single-opening film bag, the film opening suction nozzle adsorbs the upper layer and the lower layer of the film bag to separate the film bag, a small opening or a gap is formed in the bag opening, the upper film clamp and the lower film clamp can clamp the upper film and the lower film of the bag opening conveniently, the upper film clamp and the lower film clamp move towards the box pushing mechanism 4 while opening and opening the bag opening, and the film clamping mechanism 2 can continue; when the upper film clamp and the lower film clamp move to the designated positions, the bag openings are expanded to the largest rectangle, the box pushing mechanism 4 pushes the articles to be packaged into the ends of the single-opening film bag, the bag arranging mechanism 5 arranges the redundant parts of the bag openings, the redundant material cutting mechanism is used for cutting, after the redundant materials of the bag openings are cut, the box pushing mechanism 4 resets, and after the box pushing mechanism 4 resets, the film clamping mechanism 2 starts to push the films in the next film making period; and cutting off leftover materials after cutting off the excess materials of the bag opening, and finally completing the process through a thermoplastic machine.
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 (9)
1. A rodless film-making movable bag-expanding packaging mechanism comprises a bag-making mechanism, a bag-opening mechanism (7) and a packaging mechanism, and is characterized in that the bag-making mechanism is provided with a film roll (1) which is fixedly connected; the bag making mechanism is provided with a film clamping mechanism (2) which is fixedly connected, and the film clamping mechanism (2) is provided with a slide rail which is fixedly connected; a hot cutting mechanism (3) is fixedly connected between the film clamping mechanism (2) and the film roll (1); the packaging mechanism is provided with a box pushing mechanism (4), and bag arranging mechanisms (5) are fixedly connected with two sides of the box pushing mechanism (4); the packaging mechanism is provided with an edge material cutting mechanism and a thermoplastic mechanism, and the edge material cutting mechanism is provided with a residual material cutting mechanism (6) and a leftover material removing mechanism; the bag opening mechanism (7) is provided with an upper film clamp and a lower film clamp, and the upper film clamp and the lower film clamp are fixedly connected through a movable guide rail.
2. The rodless film forming and moving bag expanding and packaging mechanism according to claim 1, wherein the film roll (1) is a folded double-layer film.
3. The rodless film-making mobile bag-expanding and packaging mechanism according to claim 1, wherein the bag-opening mechanism (7) is provided with a fixed connection of a film-opening suction nozzle.
4. The rodless film-making mobile bag-expanding and packaging mechanism according to claim 1, wherein the bag-arranging mechanism (5) is located behind a push plate of the box-pushing mechanism (4).
5. The rodless film-making movable bag-expanding packaging mechanism according to claim 1, wherein a transmission mechanism is fixedly connected between the excess material cutting mechanism (6) and the leftover material removing mechanism.
6. The rodless film-making mobile bag-expanding packaging mechanism of claim 1, wherein the bag-making and packaging process comprises the following steps:
① film clamping, namely moving the film clamping mechanism (2) to the side of the hot cutting mechanism (3) through the travel of the slide rail to clamp the packaging film on the film roll (1);
② film drawing, namely the film clamping mechanism (2) slides away from the hot cutting mechanism (3) through a slide rail to draw the packaging film of the film roll (1) to a certain length;
③ cutting the film, namely segmenting the film by a hot cutting knife by the hot cutting mechanism (3) and carrying out hot edge sealing by the hot cutting knife;
④ opening the bag, wherein the film opening suction nozzle sucks the upper and lower films of the packaging film to form a small gap, the upper and lower film clamps extend into the packaging film to clamp the upper and lower films, and the opening of the packaging film is opened into a rectangle while the upper and lower film clamps move towards the box pushing mechanism;
⑤ bagging, wherein the box pushing mechanism (4) pushes the articles to be packaged into the packaging film to the end of the packaging film, and one end of the packaging film forms a corner;
⑥ arranging bag, wherein the bag arranging mechanism (5) compresses and stretches the redundant parts of the packaging bag to make the upper and lower films of the packaging bag cling to each other to form a straight line shape;
⑦ cutting off leftover materials, namely cutting off redundant linear packaging films by a redundant material cutting mechanism (6) by using a hot cutter, and carrying out heat sealing on the openings of the packaging bags;
⑧ cutting off leftover materials, wherein the residual material cutting mechanism (6) cuts off the sealed side of the packaging film to form a corner, and the sealed article and the packaging film are transmitted to a leftover material removing mechanism to cut off the corner and carry out heat sealing;
⑨ thermoplastic molding, the article is passed through a thermoforming machine, and the wrapping film is tightened with high temperature to hold the wrapping film against the article.
7. The bag-making and packaging process of claim 6, wherein the box-pushing mechanism (4) continues to push the articles just completely through the discard cut-off mechanism (6).
8. The bag-making and packaging process of claim 6, wherein the hot-cutting mechanism (3) uses a hot knife to perform the hot edge sealing.
9. The bag-making and packaging process of claim 6, wherein the heat-sealed edge of the hot knife heat-seals the side edge of the current bag while the side edge of the next bag is heated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010287947.0A CN111409927A (en) | 2020-04-14 | 2020-04-14 | Rodless film-making movable bag-expanding packaging mechanism and bag-making packaging process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010287947.0A CN111409927A (en) | 2020-04-14 | 2020-04-14 | Rodless film-making movable bag-expanding packaging mechanism and bag-making packaging process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111409927A true CN111409927A (en) | 2020-07-14 |
Family
ID=71488301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010287947.0A Withdrawn CN111409927A (en) | 2020-04-14 | 2020-04-14 | Rodless film-making movable bag-expanding packaging mechanism and bag-making packaging process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111409927A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078876A (en) * | 2020-09-18 | 2020-12-15 | 伍福庆 | Film bag forming and bag opening device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3303629A (en) * | 1964-02-03 | 1967-02-14 | Gould National Batteries Inc | Packaging with thermoplastic materials |
| GB1393084A (en) * | 1971-04-28 | 1975-05-07 | Comtex Ltd | Heat sealing apparatus |
| CN2616370Y (en) * | 2002-11-14 | 2004-05-19 | 陈忠 | Fully-automatic film bag-making machine |
| CN2801464Y (en) * | 2005-06-10 | 2006-08-02 | 蒋欢 | Deformed bag making machine |
| CN103662134A (en) * | 2012-09-04 | 2014-03-26 | 深圳市顺康机电设备有限公司 | Film packaging machine and process |
| CN203975259U (en) * | 2014-06-19 | 2014-12-03 | 徐建国 | A kind of film pyrocondensation wrapping machine with sack film opening type enclosed mechanism |
| CN105129145A (en) * | 2015-09-17 | 2015-12-09 | 王秀来 | Bag making device |
-
2020
- 2020-04-14 CN CN202010287947.0A patent/CN111409927A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3303629A (en) * | 1964-02-03 | 1967-02-14 | Gould National Batteries Inc | Packaging with thermoplastic materials |
| GB1393084A (en) * | 1971-04-28 | 1975-05-07 | Comtex Ltd | Heat sealing apparatus |
| CN2616370Y (en) * | 2002-11-14 | 2004-05-19 | 陈忠 | Fully-automatic film bag-making machine |
| CN2801464Y (en) * | 2005-06-10 | 2006-08-02 | 蒋欢 | Deformed bag making machine |
| CN103662134A (en) * | 2012-09-04 | 2014-03-26 | 深圳市顺康机电设备有限公司 | Film packaging machine and process |
| CN203975259U (en) * | 2014-06-19 | 2014-12-03 | 徐建国 | A kind of film pyrocondensation wrapping machine with sack film opening type enclosed mechanism |
| CN105129145A (en) * | 2015-09-17 | 2015-12-09 | 王秀来 | Bag making device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078876A (en) * | 2020-09-18 | 2020-12-15 | 伍福庆 | Film bag forming and bag opening device and method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20200714 |