CN111645347A - Casting film unit production system - Google Patents
Casting film unit production system Download PDFInfo
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- CN111645347A CN111645347A CN202010644783.2A CN202010644783A CN111645347A CN 111645347 A CN111645347 A CN 111645347A CN 202010644783 A CN202010644783 A CN 202010644783A CN 111645347 A CN111645347 A CN 111645347A
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- roller
- coiling
- machine
- guide roller
- production system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a cast film unit production system which comprises an extruder, a cooling forming machine, a setting machine, a traction folding machine, a film guide frame and a coiling machine which are sequentially arranged, wherein raw materials are fed into the extruder to be melted into a colloid and then form a sheet film for extrusion, the sheet film is cooled and set by the cooling forming machine and the setting machine, and then is guided into the coiling machine through the film guide frame for coiling after being folded by the traction folding machine. Through the mode, the production system of the cast film unit can ensure that the cast film is good in transparency, uniform in thickness, smooth in surface, balanced in longitudinal and transverse ductility, good in automation degree of the whole production process, free of shutdown and greatly improved in working efficiency.
Description
Technical Field
The invention relates to the technical field of cast film production, in particular to a cast film unit production system.
Background
Cast film is a non-stretched, non-oriented cast film produced by melt cast quenching. The cast film has excellent heat sealing performance and excellent transparency, is one of main composite packing base materials, and has good market prospect for producing high-temperature cooking films, vacuum aluminum-plated films and the like.
At present, equipment for producing the cast film in China has a complex structure, but cannot ensure rapid and continuous production, so that the production efficiency of the cast film is limited.
Disclosure of Invention
The invention mainly solves the technical problem of providing a cast film unit production system, which can ensure that the cast film has good transparency, uniform thickness, smooth surface, balanced longitudinal and transverse ductility, good automation degree of the whole production process, no need of shutdown and greatly improved working efficiency.
In order to solve the technical problems, the invention adopts a technical scheme that: provides a production system of a casting film unit, which comprises an extruder, a cooling forming machine, a setting machine, a traction rigging machine, a film guide frame and a coiling machine which are arranged in sequence,
the raw materials are melted into a gel in an extruder to form a sheet film, the sheet film is extruded, the sheet film is cooled, shaped and shaped by a cooling forming machine and a shaping machine, and is folded in half by a traction folding machine and then guided into a coiling machine through a film guide frame to be coiled.
In a preferred embodiment of the invention, the extruder comprises a feeding hopper, an extrusion screw and an extrusion head, wherein the feeding hopper is arranged above the input end of the extrusion screw, the extrusion head is arranged below the output end of the extrusion screw, and a gear box is connected to the power input side of the extrusion screw and drives the extrusion screw to rotate and extrude materials.
In a preferred embodiment of the present invention, the cooling forming machine comprises a driving motor, a driving roller, a first cooling roller and a second cooling roller, wherein the driving roller is driven by the driving motor to rotate the first cooling roller, and the second cooling roller rotates in the opposite direction to the first cooling roller.
In a preferred embodiment of the present invention, the first cooling roll and the second cooling roll have cooling channels therein.
In a preferred embodiment of the invention, the boarding machine comprises a feeding guide roller, a transmission guide roller and a discharging guide roller,
the feeding guide roller and the discharging guide roller are respectively positioned at the feeding end and the discharging end of the frame of the boarding machine, and the transmission guide roller is arranged in a transmission space between the feeding guide roller and the discharging guide roller and comprises an upper transmission guide roller and a lower transmission guide roller which are arranged in a vertically staggered manner.
In a preferred embodiment of the present invention, the surface of the driving guide roller has spinning lines for smoothing out the surface wrinkles of the casting film.
In a preferred embodiment of the invention, the traction folding machine comprises a traction roller, a plurality of unwinding rollers and a folding frame, wherein the traction roller is positioned at the feeding end of the frame of the traction folding machine, the plurality of unwinding rollers are arranged in parallel, and the casting film covers the surface of the folding frame under the sequential transmission of the traction roller and the unwinding rollers and is folded along the transmission direction.
In a preferred embodiment of the invention, the folding frame is an isosceles triangle folding frame, the casting film covers the surface of the folding frame and is folded along the center line, and the width of the folded casting film is 800-1200 mm.
In a preferred embodiment of the invention, the film guide frame is positioned below the folding frame in the traction folding machine, and the film guide frame is provided with a first guide roller and a second guide roller which are arranged in parallel and used for guiding the casting film to enter the winding machine.
In a preferred embodiment of the invention, the production system at least comprises a coiling machine, the coiling machine comprises a coiling guide roller, a coiling swing arm, a coiling roller and a swing arm cylinder, the coiling guide roller is used for guiding and coiling the cast film at a material inlet end of the coiling machine, the coiling swing arm is connected with the coiling roller, and the swing arm cylinder is used for driving the coiling swing arm to swing to drive the coiling roller to coil the cast film.
The invention has the beneficial effects that: the cast film unit production system has the advantages of good cast film transparency, uniform cast film thickness, flat surface, balanced longitudinal and transverse ductility, good automation degree of the whole production process, no need of shutdown and great improvement of working efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic view of a portion of a preferred embodiment of a cast film assembly production system of the present invention;
FIG. 2 is a view of the machine of FIG. 1 taken from direction A-A;
FIG. 3 is a schematic structural diagram of a traction folding machine and a coiling machine connected in a casting film unit production system of the invention;
the parts in the drawings are numbered as follows: 100. the device comprises an extruder, 110, a feeding hopper, 120, an extrusion screw, 130, an extrusion head, 140, a gear box, 200, a cooling forming machine, 210, a driving motor, 220, a driving roller, 230, a first cooling roller, 240, a second cooling roller, 300, a shaper, 310, a feeding guide roller, 320, a discharging guide roller, 330, an upper driving guide roller, 340, a lower driving guide roller, 400, a traction folding machine, 410, a traction roller, 420, a plurality of unwinding rollers, 430, a folding frame, 500, a film guide frame, 510, a first guide roller, 520, a second guide roller, 600, a coiler, 610, a winding guide roller, 620, a winding swing arm, 630, a winding roller, 640 and a swing arm cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Referring to fig. 1 to 3, an embodiment of the present invention includes:
a production system of a casting film unit comprises an extruder 100, a cooling forming machine 200, a setting machine 300, a traction folding machine 400, a film guide frame 500 and a coiling machine 600 which are sequentially arranged, raw materials enter the extruder 100 to be melted into a colloid to form sheet films, the sheet films are extruded, the sheet films are cooled, cooled and set through the cooling forming machine 200 and the setting machine 300, and then are guided into the coiling machine 600 through the film guide frame 500 to be coiled after being folded through the traction folding machine 400.
The extruder 100 comprises a feeding hopper 110, an extrusion screw 120 and an extrusion head 130, wherein a gear box 140 is connected to the power input side of the extrusion screw 120, and the extrusion screw 120 is driven to rotate and extrude materials through the gear box 140.
The feeding hopper 110 is arranged above the input end of the extrusion screw 120, the extrusion head 130 is arranged below the output end of the extrusion screw 120, and the raw materials enter the extruder 100 through the feeding hopper 110, are melted into a colloid and are extruded into a sheet-shaped film through the extrusion screw 120.
The cooling forming machine 200 comprises a driving motor 210, a driving roller 220, a first cooling roller 230 and a second cooling roller 240, wherein the driving motor 210 drives the driving roller 220 to drive the first cooling roller 230 to rotate, the rotation direction of the second cooling roller 240 is opposite to that of the first cooling roller 230,
the first chill roll 230 and the second chill roll 240 have cooling channels inside, and the inside low-temperature cooling water that supplies of cooling channel flows in, can realize cooling to the roll surface of first chill roll 230 and second chill roll 240, further realizes cooling the shaping to the curtain coating film cooling that passes through.
The setting machine 300 includes a feeding guide roller 310, a transmission guide roller and a discharging guide roller 320, wherein the feeding guide roller 310 and the discharging guide roller 320 are respectively located at the feeding end and the discharging end of the frame of the setting machine.
The transmission guide roller is arranged in a transmission space between the feeding guide roller 310 and the discharging guide roller 320 and comprises an upper transmission guide roller 330 and a lower transmission guide roller 340 which are arranged in a vertically staggered manner, and the casting film subjected to cooling forming passes through the feeding guide roller 310 and then passes through the upper transmission guide roller 330 and the lower transmission guide roller 340 which are vertically staggered in an S-shaped transmission manner and then flows out through the discharging guide roller 320.
The surface of the transmission guide roller is provided with spinning lines which smooth out the surface wrinkles of the casting film, so that the surface wrinkles of the casting film can be prevented, and the shaping quality is ensured.
The traction folding machine 400 comprises a traction roller 410, a plurality of unwinding rollers 420 and a folding frame 430, wherein the traction roller 410 is positioned at the feeding end of the traction folding machine frame, the unwinding rollers 420 are arranged in parallel, and the casting film covers the surface of the folding frame 430 and is folded along the conveying direction under the sequential conveying of the traction roller 410 and the unwinding rollers 420.
The folding frame 430 is an isosceles triangle folding frame, and the casting film covers the surface of the folding frame and is folded along the center line.
The width of the cast film after being folded in half is 800-1200 mm. Preferably, the width of the cast film after being folded in half is 1000 mm.
The film guide frame 500 is located below the folding frame 430 in the traction folding machine 400, the film guide frame 500 is provided with a first guide roller 510 and a second guide roller 520 which are arranged in parallel and used for guiding the casting film to enter the winding machine, and the casting film subjected to folding processing is conveyed along the film guide frame 500 and then flows into the winding machine 600.
The production system at least comprises a coiling machine 600, the coiling machine 600 comprises a coiling guide roller 610, a coiling swing arm 620, a coiling roller 630 and a swing arm cylinder 640, the coiling guide roller 610 is used for guiding and coiling of the casting film at the feeding end of the coiling machine 600, the coiling swing arm 620 is connected with the coiling roller 630, the swing arm cylinder 640 is used for driving the coiling swing arm 620 to swing to drive the coiling roller 630 to actively coil the casting film, and the coiling can be automatically changed after the coiling is finished.
The production system of the cast film unit has the beneficial effects that:
the casting film has good transparency, uniform thickness, smooth surface, balanced longitudinal and transverse ductility, good automation degree of the whole production process, no need of stopping the machine and greatly improved working efficiency.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A production system of a casting film unit is characterized by comprising an extruder, a cooling forming machine, a setting machine, a traction folding machine, a film guide frame and a coiling machine which are arranged in sequence,
the raw materials are melted into a gel in an extruder to form a sheet film, the sheet film is extruded, the sheet film is cooled, shaped and shaped by a cooling forming machine and a shaping machine, and is folded in half by a traction folding machine and then guided into a coiling machine through a film guide frame to be coiled.
2. The cast film unit production system of claim 1, wherein the extruder comprises a feed hopper, an extrusion screw, and an extrusion head, the feed hopper is disposed above an input end of the extrusion screw, the extrusion head is disposed below an output end of the extrusion screw,
the power input side of the extrusion screw is also connected with a gear box, and the gear box drives the extrusion screw to rotate and extrude materials.
3. The cast film unit production system of claim 1, wherein the cooling forming machine comprises a driving motor, a driving roller, a first cooling roller and a second cooling roller, the driving motor drives the driving roller to drive the first cooling roller to rotate, and the second cooling roller rotates in a direction opposite to the first cooling roller.
4. The cast film assembly production system of claim 3, wherein the first chill roll and the second chill roll have cooling channels therein.
5. The cast film unit production system of claim 1, wherein the setter includes a feed guide roller, a drive guide roller, and a discharge guide roller,
the feeding guide roller and the discharging guide roller are respectively positioned at the feeding end and the discharging end of the frame of the boarding machine, and the transmission guide roller is arranged in a transmission space between the feeding guide roller and the discharging guide roller and comprises an upper transmission guide roller and a lower transmission guide roller which are arranged in a vertically staggered manner.
6. The cast film unit production system of claim 5, wherein the surface of the drive guide roll has a spinning texture that smoothes out wrinkles on the surface of the cast film.
7. The cast film unit production system of claim 1, wherein the traction folder comprises a traction roller, a plurality of unwinding rollers and a folding frame, the traction roller is located at a feeding end of a frame of the traction folder, the plurality of unwinding rollers are arranged in parallel, and the cast film covers the surface of the folding frame and is folded along a conveying direction under the sequential conveying of the traction roller and the unwinding rollers.
8. The casting film unit production system of claim 7, wherein the folding frame is an isosceles triangle folding frame, the casting film covers the surface of the folding frame and is folded along a center line, and the width of the folded casting film is 800-1200 mm.
9. The cast film unit production system of claim 1, wherein the film guide frame is located below the folding frame in the draw folder, and the film guide frame is provided with a first guide roller and a second guide roller which are arranged in parallel and used for guiding the cast film to enter the winding machine.
10. The cast film unit production system of claim 1, wherein the production system comprises at least one coiler, the coiler comprises a coiling guide roller, a coiling swing arm, a coiling roller and a swing arm cylinder, the coiling guide roller is used for guiding and coiling of the cast film at a feeding end of the coiler, the coiling swing arm is connected with the coiling roller, and the swing arm cylinder is used for driving the coiling swing arm to swing to drive the coiling roller to coil the cast film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010644783.2A CN111645347A (en) | 2020-07-07 | 2020-07-07 | Casting film unit production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010644783.2A CN111645347A (en) | 2020-07-07 | 2020-07-07 | Casting film unit production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111645347A true CN111645347A (en) | 2020-09-11 |
Family
ID=72343182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010644783.2A Pending CN111645347A (en) | 2020-07-07 | 2020-07-07 | Casting film unit production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111645347A (en) |
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2020
- 2020-07-07 CN CN202010644783.2A patent/CN111645347A/en active Pending
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