CN221271951U - Co-extrusion device for producing winding film - Google Patents
Co-extrusion device for producing winding film Download PDFInfo
- Publication number
- CN221271951U CN221271951U CN202322685465.2U CN202322685465U CN221271951U CN 221271951 U CN221271951 U CN 221271951U CN 202322685465 U CN202322685465 U CN 202322685465U CN 221271951 U CN221271951 U CN 221271951U
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- Prior art keywords
- extrusion
- die head
- winding
- extrusion die
- bevel gear
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- 238000001125 extrusion Methods 0.000 title claims abstract description 60
- 238000004804 winding Methods 0.000 title claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000012216 screening Methods 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 3
- 238000007873 sieving Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 40
- 238000001816 cooling Methods 0.000 description 4
- 239000011344 liquid material Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a co-extrusion device for producing a winding film, which comprises a base and the winding film, wherein a bracket is fixedly arranged at the top of the base, a co-extrusion die head is fixedly arranged at the top of the bracket, a feed hopper is arranged at the top of the co-extrusion die head, a screening device is arranged in the co-extrusion die head and used for removing sundries and bubbles in materials, an extrusion roller is correspondingly arranged at one side of the co-extrusion die head, and a winding roller is arranged at one side of the extrusion roller. The spiral rod and the bevel gear set are driven to rotate while the motor rotates, and the bevel gear set drives the transmission shaft connected with the bevel gear set to rotate while the bevel gear set rotates, so that the eccentric disc rotates to extrude the sieve plate, the sieve plate is matched with the main spring and the supporting spring, organic impurities are removed by sieving the added materials, finally bubbles are removed by stirring the spiral rod, and the quality problems of uneven film surface, reduced glossiness, reduced strength and the like can be effectively prevented by removing the bubbles in the coextrusion process.
Description
Technical Field
The utility model relates to the technical field of winding film production, in particular to a co-extrusion device for winding film production.
Background
Currently, wrapping films are produced by a coextrusion process, which is a common method of manufacturing plastic films, by which two or more different plastic materials are extruded through an extruder to form a film of multilayer structure.
The Chinese patent publication No. CN217346614U discloses a thin film multilayer coextrusion device, which comprises the following technical scheme: the film forming machine comprises a frame body formed by an upper-arranged square frame and fixing frame posts fixed at four corners of the upper-arranged square frame, wherein a multilayer film co-extrusion die head for film forming is jointly fixed at the lower side of the upper-arranged square frame through two groups of mounting plates, four fixing frame posts are jointly fixed with an adjusting pressing mechanism positioned at the lower side of the multilayer film co-extrusion die head, and tension adjusting mechanisms jointly fixed on the four fixing frame posts are arranged at the lower side of the adjusting pressing mechanism.
Although the prior art can adjust the conveying tension and accelerate the cooling speed in the multilayer production of the film, if impurities such as gas or organic matters exist in the feed liquid in the process of co-extrusion feeding, bubbles can be generated in the film, the bubbles can influence the transparency and physical properties of the film, and the quality of a product is reduced.
Disclosure of utility model
The utility model provides a co-extrusion device for producing a winding film, which aims to solve the technical problems that bubbles are generated in the film due to impurities such as gas or organic matters in feed liquid, the bubbles can influence the transparency and physical properties of the film and reduce the quality of products.
The utility model is realized by adopting the following technical scheme: the utility model provides a coextrusion device is used in winding membrane production, includes base and winding membrane, the top fixed mounting of base has the support, the top fixed mounting of support has the coextrusion die head, one side of coextrusion die head is provided with the containing box, and the top of coextrusion die head is provided with the feeder hopper, the inside of coextrusion die head is provided with screening plant for get rid of debris and bubble in the material, and one side of coextrusion die head is provided with the squeeze roll correspondingly, one side of squeeze roll is provided with the wind-up roll of rolling winding membrane.
Through the technical scheme, the co-extrusion liquid material can be co-extruded to form the winding film through the co-extrusion die head, then the extrusion roller is used for extrusion molding, and finally the winding roller is used for winding, cooling and shaping.
As a further improvement of the scheme, the screening device comprises a motor fixedly installed inside the storage box, the output end of the motor is simultaneously in transmission connection with a spiral rod and a bevel gear set, the top transmission of the bevel gear set is connected with a transmission shaft, the top of the transmission shaft is fixedly provided with an eccentric disc, one side of the eccentric disc is provided with a screen plate in an adaptive manner, the screen plate is movably connected inside the co-extrusion die head, and two ends of the screen plate are respectively provided with a main spring and a supporting spring which are connected with the co-extrusion die head.
Through above-mentioned technical scheme, through the cooperation use of sieve and hob, with impurity such as organic matter in the liquid material filtration back, get rid of the bubble again, prevent winding membrane surface unevenness, glossiness reduction and quality problems such as intensity decline, improve product quality.
As a further improvement of the scheme, the screw rod is correspondingly and rotatably arranged in the co-extrusion die head, and the co-extrusion die head is arranged in an L shape.
Through above-mentioned technical scheme, "L" setting is convenient for the installation of equipment, and the interpolation of the material of being convenient for work efficiency.
As a further improvement of the scheme, the winding film is produced by co-extrusion of a co-extrusion die head, and the winding film and the extrusion roller are arranged correspondingly.
By the technical scheme, the tension and the thickness of the winding film can be better controlled, so that the waste of materials is reduced.
As a further improvement of the scheme, two squeeze rollers are arranged, and air cylinders for adjusting the thickness of the winding film are arranged at the upper end and the lower end of the two squeeze rollers.
Through the technical scheme, the thickness of the compressed winding film can be controlled through the air cylinder, and the compressed winding film is suitable for different product specifications.
As a further improvement of the scheme, the bottom of the base is fixedly provided with the supporting legs, the winding roller is arranged in a hollow mode, and the surface of the winding roller is provided with the through holes.
Through above-mentioned technical scheme, the accessible changes the air velocity of flow and makes winding membrane rapid cooling, improves production efficiency.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the spiral rod and the bevel gear set are driven to rotate while the motor rotates, and the bevel gear set drives the transmission shaft connected with the bevel gear set to rotate while rotating, so that the eccentric disc rotates, and the sieve plate is extruded when the eccentric disc rotates, so that the sieve plate is matched with the main spring and the supporting spring to be used, the added materials are screened to remove organic impurities, and finally, the spiral rod is used for stirring to remove bubbles, so that the bubbles are removed in the coextrusion process, and the quality problems of uneven film surface, reduced glossiness, reduced strength and the like can be effectively prevented, and the product quality is improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 4 is a schematic view of a wind-up roll according to the present utility model.
Main symbol description:
1. A base; 2. a support leg; 3. a bracket; 4. a co-extrusion die head; 5. a storage box; 6. a feed hopper; 701. a screw rod; 702. a motor; 703. a bevel gear set; 704. a transmission shaft; 705. an eccentric disc; 706. a sieve plate; 707. a main spring; 708. a support spring; 8. a squeeze roll; 9. a cylinder; 10. a wind-up roll; 11. a through hole; 12. winding the film.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Examples:
referring to fig. 1-4, a co-extrusion device for producing a winding film in this embodiment includes a base 1 and a winding film 12, a support 3 is fixedly installed at the top of the base 1, a co-extrusion die head 4 is fixedly installed at the top of the support 3, a storage box 5 is disposed at one side of the co-extrusion die head 4, a feed hopper 6 is disposed at the top of the co-extrusion die head 4, an extrusion roller 8 is correspondingly disposed at one side of the co-extrusion die head 4, and a wind-up roller 10 for winding the winding film 12 is disposed at one side of the extrusion roller 8.
The co-extrusion liquid material can be co-extruded to form the winding film 12 through the co-extrusion die head 4, then the extrusion roller 8 is used for extrusion molding, and finally the winding roller 10 is used for winding, cooling and shaping.
Referring to fig. 1 and 4, the bottom of the base 1 is fixedly provided with a supporting leg 2, the wind-up roller 10 is hollow, and the surface of the wind-up roller 10 is provided with a through hole 11.
The winding film 12 can be rapidly cooled by changing the air flow rate, and the production efficiency can be improved.
Referring to fig. 2, two squeeze rolls 8 are provided, and cylinders 9 for adjusting the thickness of the wound film 12 are provided at both upper and lower ends of the two squeeze rolls 8.
The thickness of the pressed winding film 12 can be controlled by the air cylinder 9, and the film is suitable for different product specifications.
Referring to fig. 2-3, a motor 702 is fixedly installed in the accommodating box 5, an output end of the motor 702 is simultaneously in transmission connection with a spiral rod 701 and a bevel gear group 703, a transmission shaft 704 is in transmission connection with the top of the bevel gear group 703, an eccentric disc 705 is fixedly installed at the top of the transmission shaft 704, a screen plate 706 is installed on one side of the eccentric disc 705 in a matching manner, the screen plate 706 is movably connected in the co-extrusion die head 4, and a main spring 707 and a supporting spring 708 which are connected with the co-extrusion die head 4 are respectively arranged at two ends of the screen plate 706.
Through the cooperation of sieve 706 and hob 701, hob 701 rotation rate is not very fast, prevents hob 701 to take place centrifugal operation, filters impurity such as organic matter in the liquid material after, gets rid of the bubble again, prevents the quality problems such as winding film 12 surface unevenness, glossiness decline and intensity decline, improves product quality.
Referring to fig. 1-2, a screw 701 is rotatably installed inside a co-extrusion die 4, and the co-extrusion die 4 is disposed in an "L" shape.
The L-shaped device is convenient for installation of equipment, and is convenient for material addition, so that working efficiency is accelerated.
Referring to fig. 1-2, the wrapping film 12 is co-extruded by the co-extrusion die 4, and the wrapping film 12 and the extrusion roller 8 are disposed correspondingly.
The tension and thickness of the wrapping film 12 can be better controlled, thereby reducing waste of material.
The co-extrusion device for producing the winding film comprises the following implementation principles: the material is added through the feed hopper 6, the motor 702 is controlled to work simultaneously, the screw rod 701 and the bevel gear group 703 are driven to rotate while the motor 702 rotates, the bevel gear group 703 drives the transmission shaft 704 connected with the screw rod 701 to rotate while rotating, so that the eccentric disc 705 rotates, the sieve plate 706 is extruded when the eccentric disc 705 rotates, the sieve plate 706 is matched with the main spring 707 and the supporting spring 708, organic impurities are removed by screening the added material, finally, bubbles are removed by stirring through the screw rod 701, the winding film 12 is co-extruded through the co-extrusion die head 4, at the moment, extrusion molding is carried out through the extrusion roller 8 regulated by the air cylinder 9 in advance, then the winding film 12 is wound through the winding roller 10, and the winding film 12 is rapidly cooled through the through hole 11 by changing the air flow rate, so that the production efficiency is improved.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (6)
1. The utility model provides a coextrusion device is used in winding membrane production, includes base (1) and winding membrane (12), its characterized in that, the top fixed mounting of base (1) has support (3), the top fixed mounting of support (3) has coextrusion die head (4), one side of coextrusion die head (4) is provided with containing box (5), and the top of coextrusion die head (4) is provided with feeder hopper (6), the inside of coextrusion die head (4) is provided with screening plant for get rid of debris and bubble in the material, and the corresponding wind-up roll (10) that are provided with winding membrane (12) in one side of coextrusion die head (4), one side of squeeze roll (8) is provided with.
2. The co-extrusion device for producing a winding film according to claim 1, wherein the screening device comprises a motor (702) fixedly installed inside a storage box (5), an output end of the motor (702) is simultaneously connected with a spiral rod (701) and a bevel gear group (703) in a transmission manner, a transmission shaft (704) is connected with a top transmission of the bevel gear group (703), an eccentric disc (705) is fixedly installed at the top of the transmission shaft (704), a screen plate (706) is installed on one side of the eccentric disc (705) in a matching manner, the screen plate (706) is movably connected inside the co-extrusion die head (4), and a main spring (707) and a supporting spring (708) connected with the co-extrusion die head (4) are respectively arranged at two ends of the screen plate (706).
3. A co-extrusion device for producing a wrapping film according to claim 2, wherein the screw (701) is rotatably installed in the co-extrusion die (4) in correspondence with each other, and the co-extrusion die (4) is provided in an "L" shape.
4. A co-extrusion device for producing a wrapping film according to claim 1, wherein the wrapping film (12) is co-extruded by a co-extrusion die head (4), and the wrapping film (12) and the extrusion roller (8) are disposed correspondingly.
5. A co-extrusion device for producing a wound film as claimed in claim 4, wherein two extrusion rollers (8) are provided, and cylinders (9) for adjusting the thickness of the wound film (12) are provided at both upper and lower ends of the two extrusion rollers (8).
6. The co-extrusion device for producing a winding film according to claim 1, wherein the bottom of the base (1) is fixedly provided with the supporting leg (2), the winding roller (10) is arranged in a hollow manner, and the surface of the winding roller (10) is provided with the through hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322685465.2U CN221271951U (en) | 2023-10-07 | 2023-10-07 | Co-extrusion device for producing winding film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322685465.2U CN221271951U (en) | 2023-10-07 | 2023-10-07 | Co-extrusion device for producing winding film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221271951U true CN221271951U (en) | 2024-07-05 |
Family
ID=91705878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322685465.2U Active CN221271951U (en) | 2023-10-07 | 2023-10-07 | Co-extrusion device for producing winding film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221271951U (en) |
-
2023
- 2023-10-07 CN CN202322685465.2U patent/CN221271951U/en active Active
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