CN108820304B - Multi-connection special film wrapping machine - Google Patents
Multi-connection special film wrapping machine Download PDFInfo
- Publication number
- CN108820304B CN108820304B CN201810833479.5A CN201810833479A CN108820304B CN 108820304 B CN108820304 B CN 108820304B CN 201810833479 A CN201810833479 A CN 201810833479A CN 108820304 B CN108820304 B CN 108820304B
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- Prior art keywords
- film
- assembly
- frame
- conveying
- bottle pushing
- Prior art date
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- 230000003578 releasing effect Effects 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000004806 packaging method and process Methods 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- B65B21/00—Packaging or unpacking of bottles
- B65B21/24—Enclosing bottles in wrappers
- B65B21/245—Enclosing bottles in wrappers in flexible wrappers, e.g. foils
-
- 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
- B65B35/30—Arranging and feeding articles in groups
- B65B35/40—Arranging and feeding articles in groups 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
- B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
- B65B35/56—Orientating, i.e. changing the attitude of, articles, e.g. of non-uniform cross-section
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The invention discloses a special multi-connection-type film wrapping machine, and belongs to the technical field of film wrapping machines. A multi-connection special film packaging machine comprises a main machine frame, a conveying part, a bottle pushing and pressure releasing assembly and a film picking assembly, wherein the conveying part, the bottle pushing and pressure releasing assembly and the film picking assembly are sequentially arranged on the main machine frame; the lower part of the host frame is sequentially provided with an air expansion shaft assembly and a film conveying assembly for conveying the film to the film picking assembly, a film stretching assembly is arranged between the air expansion shaft assembly and the film conveying assembly, and the film conveying assembly is positioned at the lower part of the film picking assembly. The invention sequentially arranges the grouping and delivering part, the bottle pushing and pressure releasing assembly and the film picking assembly; and the inflatable shaft component, the membrane stretching component, the membrane feeding component, the membrane roll fixing part and the membrane feeding part are matched, and the high-speed membrane package of the product can be realized by the matching action of the functional parts, so that the production efficiency is improved. The film package has good effect, high automation degree in the working process, greatly improved production efficiency and good use performance.
Description
Technical Field
The invention relates to a special multi-continuous-package type film package machine, and belongs to the technical field of film package machines.
Background
The existing film wrapping machine is basically 30 bags/min or higher, and the equipment is high in price and suitable for clients with the yield of 24000BPH or higher. For enterprises with relatively low productivity, the investment cost is greatly increased by one-time investment on high-productivity equipment, but the effect of investment on equipment with low productivity is possibly unsatisfactory, so that the enterprise benefit is lower. The existing film wrapping machine has low production efficiency and unattractive package appearance.
Disclosure of Invention
The invention aims to provide a special multi-connection-type film wrapping machine which can improve the film wrapping efficiency.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a multi-connection special film packaging machine comprises a main machine frame, a conveying part, a bottle pushing and pressure releasing assembly and a film picking assembly, wherein the conveying part, the bottle pushing and pressure releasing assembly and the film picking assembly are sequentially arranged on the main machine frame; the lower part of the host frame is sequentially provided with an air expansion shaft assembly and a film conveying assembly for conveying the film to the film picking assembly, a film stretching assembly is arranged between the air expansion shaft assembly and the film conveying assembly, and the film conveying assembly is positioned at the lower part of the film picking assembly.
The technical scheme of the invention is further improved as follows: the film picking assembly comprises a vertical moving rod with a ram arranged at the upper end and a linear guide rail matched with the vertical moving rod; the lower end of the linear guide rail is hinged with a cam driven by a film picking chain wheel, and the side surface of the vertical moving rod is provided with a roller rolling along the outer edge surface of the cam; the linear guide rail is connected with the ram through a tension spring.
The technical scheme of the invention is further improved as follows: the bottle pushing and pressure releasing assembly comprises a bottle pushing assembly and a pressure releasing assembly.
The technical scheme of the invention is further improved as follows: the bottle pushing assembly comprises a linear electric cylinder driven by a bottle pushing servo motor to perform linear movement and a push plate arranged at the end part of the linear electric cylinder; the pressure release assembly comprises a pressure release push rod which is arranged on the side surface of the middle part of the linear electric cylinder and driven by the pressure release cylinder, a pressure release push plate is arranged at the end part of the pressure release push rod, a baffle plate which is used in a matched mode is arranged opposite to the pressure release push plate, and the baffle plate is driven by the cylinder to move up and down.
The technical scheme of the invention is further improved as follows: a speed reducer is arranged between the bottle pushing servo motor and the linear electric cylinder.
The technical scheme of the invention is further improved as follows: the conveying component comprises a mesh bag chain plate for conveying products and a plurality of bottle separating plates arranged above the mesh bag chain plate; the bottle separating plates are arranged at intervals.
The technical scheme of the invention is further improved as follows: the film tensioning assembly comprises a film tensioning fixed frame, a fixed roller fixed on the film tensioning fixed frame, a film tensioning floating frame and a floating roller fixed on the film tensioning floating frame; one end of the stretching film floating frame is hinged with the stretching film fixing frame, and the other end of the stretching film floating frame is connected with the stretching film fixing frame by using a return spring.
The technical scheme of the invention is further improved as follows: the film feeding assembly comprises a group of front film feeding rubber rollers, a group of rear film feeding rubber rollers and a cutter shaft which are sequentially arranged, and the cutter shaft is arranged between the front film feeding rubber rollers and the rear film feeding rubber rollers; the front film feeding rubber roller, the rear film feeding rubber roller and the cutter shaft are hinged with the film feeding frame.
The technical scheme of the invention is further improved as follows: the inflatable shaft assembly comprises an inflatable shaft hinged on the inflatable shaft bracket through a disc and a disc brake used for braking the disc.
The technical scheme of the invention is further improved as follows: the inflatable shaft is sleeved with a fixed film roll positioning sleeve.
By adopting the technical scheme, the invention has the following technical effects:
The invention sequentially arranges the grouping and delivering part, the bottle pushing and pressure releasing assembly and the film picking assembly: and the inflatable shaft component, the membrane stretching component, the membrane feeding component, the membrane roll fixing part and the membrane feeding part are matched, and the high-speed membrane package of the product can be realized by the matching action of the functional parts, so that the production efficiency is improved.
The film picking component provided by the invention has a simple structure and stable work, and can realize accurate film picking and wrapping.
The conveying part can accurately and quickly group the bottles in each arrangement to finish the grouping and forming of products before film wrapping; the bottle pushing assembly and the pressure releasing assembly in the bottle pushing and pressure releasing assembly act sequentially, so that the spaced sequential conveying of products can be realized, the next link can be guaranteed to be completed rapidly, the film packaging speed of the whole machine is improved integrally, and the production efficiency is improved.
The film package has good effect, high automation degree in the working process, greatly improved production efficiency and good use performance.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a membrane module of the present invention;
FIG. 3 is a schematic diagram of a bottle pushing and pressure releasing assembly according to the present invention;
FIG. 4 is a schematic view of a delivery portion of the present invention;
FIG. 5 is a schematic illustration of a tensioned membrane module of the present invention;
FIG. 6 is a schematic illustration of a membrane feed assembly of the present invention;
FIG. 7 is a schematic view of an inflatable shaft assembly of the present invention;
The device comprises a main machine frame, 2, a ram, 3, a vertical moving rod, 4, a linear guide rail, 5, a film picking chain wheel, 6, a cam, 7, a roller, 8, a tension spring, 9, a linear electric cylinder, 10, a push plate, 11, a pressure release cylinder, 12, a pressure release push rod, 13, a baffle, 14, a speed reducer, 15, a net bag chain plate, 16, a bottle separating plate, 17, a film stretching fixed frame, 18, a fixed roller, 19, a film stretching floating frame, 20, a floating roller, 21, a film feeding rubber roller, 22, a film feeding rubber roller, 23, a cutter shaft, 24, an air inflation shaft, 25, a disc, 26, a disc brake, 27, a film roll positioning sleeve, 28, a film feeding frame, 29, an air inflation shaft bracket, 30, a bottle pushing servo motor, 31 and a pressure release push plate.
Detailed Description
The invention is further described in detail below with reference to the attached drawings and specific examples:
The invention discloses a special multi-pack type membrane packing machine which is used for coating drinks and the like. The following are specific examples: the special film wrapping machine in the multi-connection package form, as shown in fig. 1, comprises a main machine frame 1, and a conveying part, a bottle pushing and pressure releasing assembly and a film picking assembly which are sequentially arranged on the main machine frame 1. An inflatable shaft assembly and a film feeding assembly for feeding the film to the film picking assembly are sequentially arranged at the lower part of the main frame 1, and a film stretching assembly is arranged between the inflatable shaft assembly and the film feeding assembly. The film feeding component is positioned at the lower part of the film picking component and supplies films for the film picking component.
The membrane picking assembly comprises a vertical moving rod 3 with a lifting rod 2 arranged at the upper end and a linear guide rail 4 matched with the vertical moving rod 3. The vertical moving rod 3 is matched with the linear guide rail 4 and can move up and down along the linear guide rail 4; the vertical moving rod 3 drives the ram 2 to move up and down to realize film picking. A cam 6 is hinged at the lower end of the linear guide rail 4, and the cam 6 is driven to rotate by a film picking chain wheel 5. The roller 7 is hinged to the side face of the vertical moving rod 3, the roller 7 rolls along the outer edge face of the cam 6, and the cam 7 is irregular, so that the roller 7 moves up and down in the rotating process of the cam 6, and then the vertical moving rod 3 is driven to move up and down along the linear guide rail 4, and film picking is achieved. The linear guide rail 4 is connected with the ram 2 by using a tension spring 8, so that the ram 2 can return. In general, linear bearings may be used for the linear guide 4. The specific structure is shown in fig. 2. Before picking the film, the film feeding component of the machine just conveys the film to the ram 2 after cutting the film, and then the ram 2 upwards picks up the film to wrap the product.
The bottle pushing and pressure releasing assembly comprises a bottle pushing assembly and a pressure releasing assembly, and the bottle pushing assembly and the pressure releasing assembly are matched to sequentially realize pressure releasing action and bottle pushing action. The bottle pushing assembly comprises a linear electric cylinder 9 which is driven by a bottle pushing servo motor 30 to perform linear movement, and a push plate 10 arranged at the end part of the linear electric cylinder 9. The bottle pushing servo motor 30 drives the linear electric cylinder 9 to reciprocate in the linear direction, and then the product is pushed forward through the push plate 10. The specific results are shown in FIG. 3.
The pressure release assembly in the present invention includes a pressure release push rod 12 provided at the side of the middle part of the linear electric cylinder 9 and driven by a pressure release cylinder 11, and a pressure release push plate 31 is provided at the end of the pressure release push rod 12. A baffle 13 is also arranged opposite to the pressure release push plate 31 for use, and the baffle 13 is driven by a cylinder to move up and down. The baffle 13 is used for separating the products conveyed by the conveying part at intervals and is matched with the pressure release pushing plate 31 for pressurization and arrangement. After finishing, the bottle is released and pushed forward by the bottle pushing assembly. Preferably, a speed reducer 14 is provided between the bottle pushing servo motor 30 and the linear cylinder 9, and the speed reducer 14 can adapt the rotation speed of the bottle pushing servo motor 30 to the bottle pushing. The specific results are shown in FIG. 3.
The conveying component comprises a mesh bag chain plate 15 for conveying products and a plurality of bottle separating plates 16 arranged above the mesh bag chain plate 15; the bottle separating plates 16 are arranged at intervals, and a product conveying channel is formed between the bottle separating plates 16; the products can be sequentially sorted through the separating bottle deck 16. The specific results are shown in FIG. 4.
The film tensioning assembly comprises a film tensioning fixed frame 17, a fixed roller 18 fixed on the film tensioning fixed frame 17, a film tensioning floating frame 19 and a floating roller 20 fixed on the film tensioning floating frame 19; one end of the film stretching floating frame 19 is hinged with the film stretching fixed frame 17, and the other end is connected with the film stretching fixed frame 17 by using a return spring. The specific results are shown in FIG. 5.
In the invention, a film stretching assembly is arranged between the film feeding assembly and the air inflation shaft assembly, so that the film is conveyed in a certain buffer way, and an intermittent packaging action is adopted when the film is wrapped. As shown in fig. 5, the film-stretching assembly includes a film-stretching fixing frame 17 and a fixing roller 18 fixed on the film-stretching fixing frame 17, and a film-stretching floating frame 19 and a floating roller 20 fixed on the film-stretching floating frame 19. One end of the film stretching floating frame 19 is hinged with the film stretching fixed frame 17, the other end of the film stretching floating frame is connected with the film stretching fixed frame 17 through a return spring, the film stretching fixed frame 17 is in a fixed state, the film stretching floating frame 19 can reciprocate under the action of the return spring, and particularly, the film stretching floating frame moves according to the tension of the film feeding assembly, so that the speed of film feeding is adjusted. The number of fixed rollers 18 is 2-4, the number of floating rollers 20 is 2-4, and the film is arranged around between the fixed rollers 18 and between the floating rollers 20 in the working state. The tensioning function consists of a combination of the pull of the return spring and the weight of the floating drum 20.
The film feeding assembly comprises a group of front film feeding rubber rollers 21, a group of rear film feeding rubber rollers 22 and a cutter shaft 23 which are sequentially arranged, wherein the cutter shaft 23 is arranged between the front film feeding rubber rollers 21 and the rear film feeding rubber rollers 22; as shown in fig. 6, the film feeding section of the present invention includes a set of front film feeding rubber rollers 21 and a set of rear film feeding rubber rollers 22, which are sequentially arranged, and a cutter shaft 23. The front film feeding rubber roller 21 and the rear film feeding rubber roller 22 are driven by a motor to carry out extrusion type film feeding, namely, the film moves between the two front film feeding rubber rollers 21 and between the corresponding two rear film feeding rubber rollers 22, and is conveyed forwards under the action of the extrusion force of the rubber rollers. A cutter shaft 23 is provided between the front film feeding rubber roller 21 and the rear film feeding rubber roller 22, and the cutter shaft 23 is used for cutting the film. The front film feeding rubber roller 21, the rear film feeding rubber roller 22 and the cutter shaft 23 are hinged with the film feeding frame 28.
The balloon shaft assembly of the present invention is shown in fig. 7 and includes a balloon shaft 24 hinged to a balloon shaft bracket 29 by a disc 25 and a disc brake 26 for braking the disc 25. The disc brake 26 enables braking of the disc 25, which function is used in an emergency. The balloon shaft 24 is sleeved with a fixed film roll positioning sleeve 27, so that the film roll can be conveniently positioned when being installed. The inflatable shaft 24 is a conventional fixture that can be inflated to tighten and deflate the roll of film when inflated.
The working process of the invention is as follows: in the production process, products enter from the upper-level conveying equipment firstly, scattered products are arranged into ordered arrangement by a bottle separating plate 16 on a conveying part, each group of arrangement directly enters into a functional area of a pressure releasing and bottle pushing assembly, each group of arrangement is divided into a combination form required by packaging, the pressure is released after adjustment of the pressure releasing assembly, meanwhile, the finished products in a combination state are pushed forwards through the bottle pushing assembly, the film feeding assembly receives a signal to start film releasing while the products are pushed forwards, and the film is picked up through a film picking assembly to finish film winding and then enters into the next process.
The functional components of the invention sequentially perform accurate actions, are well matched, and can improve the film wrapping effect. The invention improves the automation degree of the film packaging process, can greatly improve the production efficiency, and simultaneously ensures that the product film package has attractive appearance and good usability.
Claims (3)
1. The utility model provides a special membrane chartered plane of form is even covered to many, its characterized in that: comprises a main machine frame (1), and a conveying part, a bottle pushing and pressure releasing assembly and a film picking assembly which are sequentially arranged on the main machine frame (1); the lower part of the main machine frame (1) is sequentially provided with an air expansion shaft assembly and a film feeding assembly for feeding films to the film picking assembly, a film stretching assembly is arranged between the air expansion shaft assembly and the film feeding assembly, and the film feeding assembly is positioned at the lower part of the film picking assembly; the film picking assembly comprises a vertical moving rod (3) with a lifting rod (2) arranged at the upper end and a linear guide rail (4) matched with the vertical moving rod (3); a cam (6) driven by a film picking chain wheel (5) is hinged at the lower end of the linear guide rail (4), and a roller (7) rolling along the outer edge surface of the cam (6) is arranged on the side surface of the vertical moving rod (3); the linear guide rail (4) is connected with the ram (2) by a tension spring (8); the bottle pushing and pressure releasing assembly comprises a bottle pushing assembly and a pressure releasing assembly; the bottle pushing assembly comprises a linear electric cylinder (9) which is driven by a bottle pushing servo motor (30) to perform linear movement, and a push plate (10) arranged at the end part of the linear electric cylinder (9); the pressure release assembly comprises a pressure release push rod (12) arranged on the side surface of the middle part of the linear electric cylinder (9) and driven by the pressure release cylinder (11), a pressure release push plate (31) is arranged at the end part of the pressure release push rod (12), a baffle (13) matched with the pressure release push plate (31) is arranged opposite to the pressure release push plate (31), and the baffle (13) is driven by the cylinder to move up and down;
The film tensioning assembly comprises a film tensioning fixed frame (17), a fixed roller (18) fixed on the film tensioning fixed frame (17), a film tensioning floating frame (19) and a floating roller (20) fixed on the film tensioning floating frame (19); one end of the film stretching floating frame (19) is hinged with the film stretching fixed frame (17), and the other end is connected with the film stretching fixed frame (17) by using a return spring;
The film feeding assembly comprises a group of front film feeding rubber rollers (21) and a group of rear film feeding rubber rollers (22) which are sequentially arranged, and a cutter shaft (23), wherein the cutter shaft (23) is arranged between the front film feeding rubber rollers (21) and the rear film feeding rubber rollers (21); the front film feeding rubber roller (21), the rear film feeding rubber roller (22) and the cutter shaft (23) are hinged with the film feeding frame (28);
the conveying component comprises a mesh bag chain plate (15) for conveying products and a plurality of bottle separating plates (16) arranged above the mesh bag chain plate (15); the bottle separating plates (16) are arranged at intervals;
The balloon shaft assembly comprises a balloon shaft (24) hinged on a balloon shaft bracket (29) through a disc (25), and a disc brake (26) for braking the disc (25).
2. The multi-pack type dedicated film wrapping machine according to claim 1, wherein: a speed reducer (14) is arranged between the bottle pushing servo motor (30) and the linear electric cylinder (9).
3. The multi-pack type dedicated film wrapping machine according to claim 1, wherein: the inflatable shaft (24) is sleeved with a fixed film roll positioning sleeve (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810833479.5A CN108820304B (en) | 2018-07-20 | 2018-07-20 | Multi-connection special film wrapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810833479.5A CN108820304B (en) | 2018-07-20 | 2018-07-20 | Multi-connection special film wrapping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108820304A CN108820304A (en) | 2018-11-16 |
| CN108820304B true CN108820304B (en) | 2024-09-24 |
Family
ID=64141333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810833479.5A Active CN108820304B (en) | 2018-07-20 | 2018-07-20 | Multi-connection special film wrapping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108820304B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113148338A (en) * | 2021-03-09 | 2021-07-23 | 廊坊永创包装机械有限公司 | Novel thermal contraction membrane packagine machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975898A (en) * | 2012-12-17 | 2013-03-20 | 广州达意隆包装机械股份有限公司 | Film packaging machine |
| CN104555549A (en) * | 2014-12-20 | 2015-04-29 | 佛山市南海科时敏包装设备有限公司 | Film-feeding and film-cutting device of film packer |
| CN206171872U (en) * | 2016-11-01 | 2017-05-17 | 廊坊永创包装机械有限公司 | Economical various membrane wrapping machine |
| CN208931736U (en) * | 2018-07-20 | 2019-06-04 | 廊坊永创包装机械有限公司 | It is a kind of to connect packet form dedicated film chartered plane more |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3827211A (en) * | 1973-01-02 | 1974-08-06 | Federal Paper Board Co Inc | Packaging machine |
| DE10262028A1 (en) * | 2002-12-23 | 2004-07-08 | Krones Ag | Device and method for packaging containers, in particular bottle containers |
| CA2883468A1 (en) * | 2015-03-03 | 2016-09-03 | Oleh Kutowy | Used lubricaton oil purification process and apparatus |
-
2018
- 2018-07-20 CN CN201810833479.5A patent/CN108820304B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975898A (en) * | 2012-12-17 | 2013-03-20 | 广州达意隆包装机械股份有限公司 | Film packaging machine |
| CN104555549A (en) * | 2014-12-20 | 2015-04-29 | 佛山市南海科时敏包装设备有限公司 | Film-feeding and film-cutting device of film packer |
| CN206171872U (en) * | 2016-11-01 | 2017-05-17 | 廊坊永创包装机械有限公司 | Economical various membrane wrapping machine |
| CN208931736U (en) * | 2018-07-20 | 2019-06-04 | 廊坊永创包装机械有限公司 | It is a kind of to connect packet form dedicated film chartered plane more |
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| Publication number | Publication date |
|---|---|
| CN108820304A (en) | 2018-11-16 |
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