CN111421840A - Plastic film compounding machine - Google Patents
Plastic film compounding machine Download PDFInfo
- Publication number
- CN111421840A CN111421840A CN202010252347.0A CN202010252347A CN111421840A CN 111421840 A CN111421840 A CN 111421840A CN 202010252347 A CN202010252347 A CN 202010252347A CN 111421840 A CN111421840 A CN 111421840A
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- CN
- China
- Prior art keywords
- fixing
- plate
- film
- roller
- fixing plate
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
- B29C65/522—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by spraying, e.g. by flame spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a plastic film compounding machine, which comprises a bottom plate, a film roller and a pressure roller, wherein a first fixing plate is arranged on the left side of the upper end of the bottom plate, a second fixing plate is arranged on the side surface of the first fixing plate, a connecting plate is arranged at the upper end of the first fixing plate, a screw is arranged on the side surface of the bottom end of the connecting plate, the first film roller is arranged between the first fixing plate and the second fixing plate, the second film roller is arranged below the first film roller, and a rotating shaft is arranged at the bottom end of; the right side of the first fixing plate is provided with a fixing rod, the side face of the fixing rod is provided with a fixing block, the middle of the fixing block is provided with a connecting pipe, the right end of the connecting pipe is provided with a knob, the left end of the connecting pipe is provided with a rubber conveying pipe, the rubber conveying pipe is provided with a valve, and the upper end of the connecting pipe is provided with. The film roll laminating machine is reasonable in structure, simple to operate, convenient to replace film rolls, and capable of enabling glue to be sprayed more uniformly through the spray head and effectively improving the film laminating quality.
Description
Technical Field
The invention relates to the technical field of film production, in particular to a plastic film compounding machine.
Background
Plastic films are films made of polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins, and are used for packaging and as a film coating layer. Plastic packages and plastic package products occupy more and more shares in the market, particularly composite plastic flexible packages are widely applied to the fields of food, medicine, chemical industry and the like, wherein the proportion of the plastic packages is the largest, such as beverage packages, quick-frozen food packages, steamed and cooked food packages, fast food packages and the like, and the plastic packages and the plastic package products bring great convenience to the life of people; the plastic film is widely applied to the fields of agricultural production covering materials, food packaging, medical treatment, chemical industry and the like, but the common plastic film has a single structure, is poor in mechanical property and easy to damage, has the defects of light ray obstruction, poor heat insulation property and the like, so that the single physical property of the plastic film is changed by compounding the plastic film with dissimilar materials such as aluminum foil, paper, iron plates and the like.
Disclosure of Invention
The invention aims to provide a plastic film compounding machine to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a plastic film compounding machine, includes bottom plate, film roller and pressure roller, first fixed plate is installed in bottom plate upper end left side, and first fixed plate side is equipped with the second fixed plate, and the connecting plate is installed to first fixed plate upper end, and connecting plate bottom side-mounting has the screw, installs first film roller between first fixed plate and the second fixed plate, and first film roller below is equipped with the second film roller, and the axis of rotation is installed to second fixed plate bottom.
The right side of the first fixing plate is provided with a fixing rod, the side face of the fixing rod is provided with a fixing block, the middle of the fixing block is provided with a connecting pipe, the right end of the connecting pipe is provided with a knob, the left end of the connecting pipe is provided with a rubber conveying pipe, the rubber conveying pipe is provided with a valve, and the upper end of the connecting pipe is provided with a; a fixing frame is arranged on the right side of the fixing rod, a motor frame is installed in the middle of the top end of the fixing frame, a hydraulic motor is installed on the inner side of the motor frame, a connecting rod is installed at the front end of the hydraulic motor, a supporting frame is installed at the bottom end of the connecting rod, a first pressure roller is installed on the inner side of the supporting frame, a limiting rod is installed on the outer side of the supporting frame, and a; the mount right side is equipped with the third fixed plate, installs third pressure roller on the third fixed plate, and the third fixed plate right side is equipped with the fourth fixed plate, installs on the fourth fixed plate and receives the membrane roller.
As a further scheme of the invention: the first fixing plate and the second fixing plate are the same in shape and size, the section of the connecting plate is concave, and screws are mounted on the left side and the right side of the bottom end of the connecting plate.
As a further scheme of the invention: the connecting pipes, the knobs, the rubber delivery pipes and the valves are all provided with two groups which are symmetrical about the middle of the fixing rod.
As a further scheme of the invention: the section shape of support frame is the concavity, and both ends are all installed the gag lever post about the support frame outside, and mount outside both ends are equipped with the slotted hole, and the gag lever post is installed at the slotted hole inboard.
As a further scheme of the invention: the shower nozzle is equipped with ten, divide into two sets of evenly distributed on two connecting pipe surfaces, is equipped with the through-hole on the fixed block, and the diameter of through-hole is the same with the diameter of connecting pipe.
As a further scheme of the invention: the width of the slotted hole is the same as the diameter of the limiting rod, and the upper end and the lower end of the slotted hole are semicircular.
Compared with the prior art, the invention has the beneficial effects that:
in the plastic film compounding machine, the upper ends of a first fixing plate and a second fixing plate are provided with connecting plates, and the left side and the right side of the bottom end of each connecting plate are provided with screws, so that the first fixing plate and the second fixing plate can be fixedly connected conveniently, and the slippage of a film roller caused by looseness is avoided; the rotating shaft is arranged at the bottom end of the second fixing plate, and when the film needs to be replaced, the film can be replaced only by inclining the second fixing plate downwards; the right end of the connecting pipe is provided with the knob, so that the spraying angle of the spray head at the upper end of the connecting pipe can be conveniently adjusted, the valve can conveniently control the glue output amount, and the phenomenon that the composite quality of the film is influenced due to too much or too little glue is avoided; the support frame is installed to first pressure roller upper end, and the hydraulic motor is connected through the connecting rod to the support frame upper end, is convenient for adjust the height of first pressure roller, improves film composite quality. The film roll laminating machine is reasonable in structure, simple to operate, convenient to replace film rolls, and capable of enabling glue to be sprayed more uniformly through the spray head and effectively improving the film laminating quality.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a first fixing plate and a second fixing plate according to the present invention.
Fig. 3 is a schematic structural view of the inner side of the fixing frame of the present invention.
Fig. 4 is a schematic structural view of the inner side of the fixing rod of the present invention.
FIG. 5 is a schematic structural diagram of example 2 of the present invention.
In the figure: 1-bottom plate, 2-first fixing plate, 3-first film roller, 4-second film roller, 5-connecting plate, 6-screw, 7-second fixing plate, 8-rotating shaft, 9-fixing rod, 10-fixing block, 11-knob, 12-connecting pipe, 13-spray head, 14-rubber delivery pipe, 15-valve, 16-fixing frame, 17-motor frame, 18-hydraulic motor, 19-slotted hole, 20-supporting frame, 21-limiting rod, 22-connecting rod, 23-first pressure roller, 24-second pressure roller, 25-third fixing plate, 26-third pressure roller, 27-fourth fixing plate, 28-film collecting roller and 29-rolling bearing.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, in the embodiment of the present invention, a plastic film laminating machine includes a bottom plate 1, a film roll and a pressure roll, wherein a first fixing plate 2 is installed on the left side of the upper end of the bottom plate 1, a second fixing plate 7 is installed on the side surface of the first fixing plate 2, a connecting plate 5 is installed on the upper end of the first fixing plate 2, a screw 6 is installed on the side surface of the bottom end of the connecting plate 5, and the screw 6 is convenient for fixedly connecting the first fixing plate 2 and the second fixing plate 7, so as to prevent the film roll from sliding due; the first fixing plate 2 and the second fixing plate 7 are the same in shape and size, the section of the connecting plate 5 is concave, and the left side and the right side of the bottom end of the connecting plate 5 are both provided with screws 6; install first film roller 3 between first fixed plate 2 and the second fixed plate 7, first film roller 3 below is equipped with second film roller 4, and axis of rotation 8 is installed to 7 bottoms of second fixed plate, when needs change the film, only needs 7 downward sloppings of second fixed plate, just can accomplish the film and change.
The right side of the first fixing plate 2 is provided with a fixing rod 9, the side face of the fixing rod 9 is provided with a fixing block 10, the middle of the fixing block 10 is provided with a connecting pipe 12, the right end of the connecting pipe 12 is provided with a knob 11, the left end of the connecting pipe 12 is provided with a rubber delivery pipe 14, the rubber delivery pipe 14 is provided with a valve 15, the upper end of the connecting pipe 12 is provided with a spray head 13, the connecting pipe 12, the knob 11, the rubber delivery pipe 14 and the valve 15 are respectively provided with two groups which are symmetrical about the middle of the fixing rod 9, the spray heads 13 are ten and are uniformly distributed on the surfaces of the two connecting; the knob 11 is convenient for adjusting the spraying angle of the spray head 13 at the upper end of the connecting pipe 12, the valve 15 is convenient for controlling the glue outlet amount, and the phenomenon that the compound quality of the film is influenced due to too much or too little glue is avoided.
A fixing frame 16 is arranged on the right side of the fixing rod 9, a motor frame 17 is arranged in the middle of the top end of the fixing frame 16, a hydraulic motor 18 is arranged on the inner side of the motor frame 17, a connecting rod 22 is arranged at the front end of the hydraulic motor 18, a supporting frame 20 is arranged at the bottom end of the connecting rod 22, a first pressure roller 23 is arranged on the inner side of the supporting frame 20, a limiting rod 21 is arranged on the outer side of the supporting frame 20, a second pressure roller 24 is arranged below the first pressure roller 23, the section of the supporting frame 20 is concave, the limiting rods 21 are arranged at the left end and the right end of the outer side of the supporting frame 20, slotted holes 19 are formed in the two ends of the outer side of the fixing frame 20, the limiting rods 21 are arranged on the inner side of the slotted holes 19, the width of the; the right side of the fixed frame 16 is provided with a third fixed plate 25, the third fixed plate 25 is provided with a third pressure roller 26, the right side of the third fixed plate 25 is provided with a fourth fixed plate 27, and the fourth fixed plate 27 is provided with a film collecting roller 28.
Example 2
Referring to fig. 5, in the embodiment of the present invention, a plastic film laminating machine includes a base plate 1, a film roll and a pressure roll, a first fixing plate 2 is installed on the left side of the upper end of the base plate 1, a second fixing plate 7 is installed on the side surface of the first fixing plate 2, a connecting plate 5 is installed on the upper end of the first fixing plate 2, the first fixing plate 2 and the second fixing plate 7 are the same in shape and size, the cross section of the connecting plate 5 is concave, a screw 6 is installed on the right side of the bottom end of the connecting plate 5, and the screw 6 is convenient for fixedly connecting the first fixing plate 2 and the second fixing plate 7, so as; install first film roller 3 between first fixed plate 2 and the second fixed plate 7, first film roller 3 below is equipped with second film roller 4, axis of rotation 8 is installed to 7 bottoms of second fixed plate, antifriction bearing 29 is installed to 2 upper ends of first fixed plate, antifriction bearing 29 outside is connected with 5 left ends of connecting plate, when changing the film, with 7 downward slopping of second fixed plate, connecting plate 5 need not take off, only need upwards lift up can accomplish the film and change, and convenient for operation has improved film and has changed efficiency, it is more swift to make the film change. The other structure in this embodiment is the same as that in embodiment 1.
The working principle of the invention is as follows:
in the plastic film compounding machine, the upper ends of a first fixing plate 2 and a second fixing plate 7 are provided with a connecting plate 5, and the left side and the right side of the bottom end of the connecting plate 5 are provided with screws 6, so that the first fixing plate 2 and the second fixing plate 7 are conveniently and fixedly connected, and the slippage of a film roller caused by looseness is avoided; the rotating shaft 8 is arranged at the bottom end of the second fixing plate 7, and when the film needs to be replaced, the film can be replaced only by inclining the second fixing plate 7 downwards; the right end of the connecting pipe 12 is provided with the knob 11, so that the spraying angle of the spray head 13 at the upper end of the connecting pipe 12 can be conveniently adjusted, the valve 15 is convenient for controlling the glue output amount, and the phenomenon that the compounding quality of the film is influenced by too much or too little glue is avoided; support frame 20 is installed to first pressure roller 23 upper end, and hydraulic motor 18 is connected through connecting rod 22 to the support frame 20 upper end, is convenient for adjust first pressure roller 23's height, improves film composite quality. The film roll laminating machine is reasonable in structure, simple to operate and convenient to replace, the spray head 13 enables glue to be sprayed more uniformly, and the film laminating quality is effectively improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a plastic film compounding machine, includes bottom plate (1), film roller and pressure roller, and the film roller divide into first film roller (3) and second film roller (4), and the pressure roller divide into first pressure roller (23), second pressure roller (24) and third pressure roller (26), its characterized in that, first fixed plate (2) are installed in bottom plate (1) upper end left side, and first fixed plate (2) side is equipped with second fixed plate (7), and connecting plate (5) are installed to first fixed plate (2) upper end, and connecting plate (5) bottom side-mounting has screw (6), installs first film roller (3) between first fixed plate (2) and second fixed plate (7), and first film roller (3) below is equipped with second film roller (4), and axis of rotation (8) are installed to second fixed plate (7) bottom.
2. The plastic film laminating machine as claimed in claim 1, wherein a fixing rod (9) is provided at the right side of the first fixing plate (2), a fixing block (10) is installed at the side of the fixing rod (9), a connecting pipe (12) is installed at the middle of the fixing block (10), a knob (11) is installed at the right end of the connecting pipe (12), a rubber conveying pipe (14) is installed at the left end of the connecting pipe (12), a valve (15) is installed on the rubber conveying pipe (14), and a nozzle (13) is installed at the upper end of the connecting pipe (12).
3. The plastic film laminating machine according to claim 2, wherein a fixing frame (16) is arranged on the right side of the fixing rod (9), a motor frame (17) is installed in the middle of the top end of the fixing frame (16), a hydraulic motor (18) is installed on the inner side of the motor frame (17), a connecting rod (22) is installed at the front end of the hydraulic motor (18), a supporting frame (20) is installed at the bottom end of the connecting rod (22), a first pressure roller (23) is installed on the inner side of the supporting frame (20), a limiting rod (21) is installed on the outer side of the supporting frame (20), and a second pressure roller (24) is arranged below.
4. The laminating machine for plastic films as claimed in claim 3, wherein a third fixing plate (25) is provided on the right side of the fixing frame (16), a third pressure roller (26) is installed on the third fixing plate (25), a fourth fixing plate (27) is provided on the right side of the third fixing plate (25), and a film collecting roller (28) is installed on the fourth fixing plate (27).
5. The laminating machine for plastic films according to claim 1, characterized in that the first fixing plate (2) and the second fixing plate (7) are the same in shape and size, the cross section of the connecting plate (5) is concave, and the screws (6) are installed on the left and right sides of the bottom end of the connecting plate (5).
6. The plastic film laminating machine as claimed in claim 2, wherein the connecting pipe (12), the knob (11), the glue delivering pipe (14) and the valve (15) are provided in two groups and are symmetrical with respect to the middle of the fixing rod (9).
7. The plastic film laminating machine as claimed in claim 3, wherein the cross-sectional shape of the supporting frame (20) is concave, the limiting rods (21) are installed at the left and right ends of the outer side of the supporting frame (20), the slot holes (19) are formed at the two ends of the outer side of the fixing frame (20), and the limiting rods (21) are installed at the inner sides of the slot holes (19).
8. The plastic film laminating machine as claimed in claim 7, wherein ten nozzles (13) are provided and are evenly distributed on the surface of the two connection pipes (12) in two groups, and the fixing block (10) is provided with through holes having the same diameter as that of the connection pipes (12).
9. The laminating machine for plastic films as claimed in claim 8, wherein the width of said slot (19) is the same as the diameter of the stopper (21), and the upper and lower ends of the slot (19) are semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010252347.0A CN111421840A (en) | 2020-04-01 | 2020-04-01 | Plastic film compounding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010252347.0A CN111421840A (en) | 2020-04-01 | 2020-04-01 | Plastic film compounding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111421840A true CN111421840A (en) | 2020-07-17 |
Family
ID=71557545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010252347.0A Withdrawn CN111421840A (en) | 2020-04-01 | 2020-04-01 | Plastic film compounding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111421840A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060603A (en) * | 2020-09-10 | 2020-12-11 | 安徽源洲包装材料有限公司 | Automatic sealing liquid adding device capable of feeding quantitatively |
| CN112092393A (en) * | 2020-09-10 | 2020-12-18 | 安徽源洲包装材料有限公司 | Hot-pressing bonding device for plastic packaging film production |
| CN113172984A (en) * | 2021-04-06 | 2021-07-27 | 扬州万润光电科技有限公司 | Equipment for manufacturing multilayer film and manufacturing method thereof |
| CN115170572A (en) * | 2022-09-08 | 2022-10-11 | 山东瑞峰新材料科技有限公司 | BOPP composite film surface gluing quality monitoring method |
-
2020
- 2020-04-01 CN CN202010252347.0A patent/CN111421840A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060603A (en) * | 2020-09-10 | 2020-12-11 | 安徽源洲包装材料有限公司 | Automatic sealing liquid adding device capable of feeding quantitatively |
| CN112092393A (en) * | 2020-09-10 | 2020-12-18 | 安徽源洲包装材料有限公司 | Hot-pressing bonding device for plastic packaging film production |
| CN113172984A (en) * | 2021-04-06 | 2021-07-27 | 扬州万润光电科技有限公司 | Equipment for manufacturing multilayer film and manufacturing method thereof |
| CN115170572A (en) * | 2022-09-08 | 2022-10-11 | 山东瑞峰新材料科技有限公司 | BOPP composite film surface gluing quality monitoring method |
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| PB01 | Publication | ||
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Application publication date: 20200717 |