CN213675444U - Blown film extrusion equipment - Google Patents
Blown film extrusion equipment Download PDFInfo
- Publication number
- CN213675444U CN213675444U CN202022621674.7U CN202022621674U CN213675444U CN 213675444 U CN213675444 U CN 213675444U CN 202022621674 U CN202022621674 U CN 202022621674U CN 213675444 U CN213675444 U CN 213675444U
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- China
- Prior art keywords
- extrusion
- degassing
- blown film
- rotating shaft
- rods
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- 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.)
- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a blown film extrusion equipment, including base and setting at base top both sides support, be provided with extrusion device between two supports, extrusion device is including extruding the case, extrude subassembly and degasification subassembly, it is provided with the extrusion subassembly to extrude the incasement, be provided with the degasification subassembly on the extrusion subassembly, the extrusion subassembly includes the motor, pivot and spiral puddler, the output and the pivot of motor are connected, the extrusion case is worn to out to pivot one end, and be provided with the spiral puddler in the pivot, the degasification subassembly includes the fixed block, dead lever and degasification pole, fixed block one end both sides all set up the dead lever, set up a plurality of degasification poles between two dead levers, a plurality of degasification holes have been seted up on the pole. The utility model discloses an extrusion device makes plastics can extrude, clears away the bubble of the plastics the inside that melts, improves the effect of the quality of product.
Description
Technical Field
The utility model relates to a blown film field especially relates to a blown film extrusion equipment.
Background
With the development of society, film blowing, also known as flat-folded film tube extrusion or blown film extrusion, is a major method for producing plastic films. The plastic is added into an extruder, melted and extruded into a cylinder shape from an annular gap of a front end die, compressed air is introduced from a central hole of a core rod of a machine head to blow the cylinder into a bubble tube shape, the longitudinal and transverse directions of the cylinder are extended at the moment to obtain the bubble tube with a certain blowing multiple, the bubble tube is cooled by an outer air ring (sometimes with additional inner cooling), then the bubble tube is flattened by a guide clamping plate and a traction clamping roller to prevent the air in the bubble tube from leaking to maintain the required constant blowing pressure, the bubble tube is flattened into a flat-folded double-layer film, and finally the flat-folded double-layer film is wound in a winding device, so that an extrusion blow molding machine is also called hollow blow molding, and the rapidly developed plastic processing. The thermoplastic resin is extruded or injection molded to obtain tubular plastic parison, which is hot and set inside a split mold, and after the mold is closed, compressed air is introduced into the parison to expand the parison to cling to the inner wall of the mold. The blown film manufacturing process is in principle very similar to the blow molding of hollow articles, but it does not use a mold, and the blown film forming process is generally included in extrusion from the viewpoint of the classification of plastic processing techniques.
Present blown film extrusion equipment is mainly extruded by the piston board for plastics after melting can extrude through the discharge gate, then carries out the shaping, can obtain the effect that wants to reach, improves work efficiency's effect.
Although the working efficiency of the existing blown film extrusion equipment is improved, the piston plate enables air to enter melted plastic, so that the plastic is filled with the air, the quality of a product is reduced, and the processing cost is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a blown film extrusion equipment has solved among the prior art piston board and has made the air admission plastics after melting for the plastics the inside has been full of the air, makes the quality of product reduce, extravagant processing cost's technical problem.
The technical scheme of the utility model is realized like this:
the utility model provides a blown film extrusion equipment, includes the base and sets up base top both sides support, two be provided with extrusion device between the support.
The extrusion device comprises an extrusion box, an extrusion assembly and a degassing assembly, wherein the extrusion box is internally provided with the extrusion assembly, and the extrusion assembly is provided with the degassing assembly.
The extrusion assembly comprises a motor, a rotating shaft and a spiral stirring rod, the output end of the motor is connected with the rotating shaft, one end of the rotating shaft penetrates through the extrusion box, and the spiral stirring rod is arranged in the rotating shaft.
The degassing assembly comprises a fixing block, a fixing rod and a degassing rod, wherein the fixing rod is arranged on two sides of one end of the fixing block, the fixing rod is arranged between the fixing rods, the degassing rod is arranged between the fixing rods, and the degassing rod is arranged between the fixing rods.
Preferably, heating plates are arranged on two sides of the extrusion box.
Preferably, a feed inlet is formed in one side of the top end of the extrusion box, and an exhaust pipe is arranged on the other side of the top end of the extrusion box.
Preferably, a sealing ring is arranged at the bottom end of the rotating shaft, and a plurality of material passing ports are formed in the sealing ring.
Preferably, a discharge hole is formed in the bottom end of the extruding box and is conical.
Preferably, the fixed blocks are arranged on the rotating shaft, and the fixed blocks are arranged among the spiral stirring rods at intervals.
The utility model has the advantages that: the device comprises supports on two sides of the top end of a base, an extrusion device is arranged between the two supports, the supports are supported by the base, the extrusion device is supported by the supports, an extrusion assembly is arranged in an extrusion box, a degassing assembly is arranged on the extrusion assembly, molten plastic is extruded by the extrusion assembly, gas in the molten plastic is removed by the degassing assembly, the output end of a motor is connected with a rotating shaft, the extrusion box is penetrated at one end of the rotating shaft, a spiral stirring rod is arranged on the rotating shaft, the rotating shaft is driven by the motor to extrude the molten plastic, fixing rods are arranged on two sides of one end of each fixing rod, a plurality of degassing rods are arranged between the two fixing rods, a plurality of degassing holes are formed in the degassing rods, the degassing rods are fixed by the fixing rods, and then the air in the molten plastic is discharged by stirring the degassing holes, the utility model discloses an extrusion device makes plastics can extrude, clears away the bubble of the plastics the inside that melts, improves the effect of the quality of product.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic block diagram of the overall structure of a blown film extrusion apparatus according to the present invention;
fig. 2 is the schematic view of the internal structure of the blown film extrusion device of the present invention.
Reference numerals: 1. a base; 2. an extrusion device; 3. an extrusion assembly; 4. a degassing assembly; 101. a support; 201. an extrusion box; 202. heating plates; 203. a feed inlet; 204. an exhaust port; 205. a discharge port; 301. a motor; 302. a rotating shaft; 303. a helical agitator shaft; 304. sealing the circular ring; 305. a material inlet is formed; 401. a fixed block; 402. fixing the rod; 403. a degassing rod; 404. and (4) removing air holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the utility model provides a technical scheme of blown film extrusion equipment:
the utility model discloses a theory of operation and use flow:
the utility model provides a blown film extrusion equipment, includes base 1 and sets up at base 1 top both sides support 101, is provided with extrusion device 2 between two supports 101, supports support 101 through base 1, supports extrusion device 2 through support 101.
Extrude subassembly 3 and include motor 301, pivot 302 and spiral puddler 303, motor 301's output is connected with pivot 302, and extrusion case 201 is worn to extrude by pivot 302 one end, and sets up spiral puddler 303 in the pivot 302, drives pivot 302 through motor 301 and makes spiral puddler 303 extrude the plastics that melt.
The degassing assembly 4 comprises a fixing block 401, a fixing rod 402 and degassing rods 403, the fixing rod 402 is arranged on two sides of one end of the fixing block 401, a plurality of degassing rods 403 are arranged between the two fixing rods 402, a plurality of degassing holes 404 are formed in the degassing rods 403, the degassing rods 403 are fixed through the fixing rods 402, and then the degassing holes 404 are used for stirring melted plastics to discharge the air inside.
The extrusion case 201 top one side is provided with feed inlet 203, and extrusion case 201 top opposite side is provided with gas vent 204, makes plastics get into through feed inlet 203, makes steam discharge through gas vent 204.
The bottom end of the rotating shaft 302 is provided with a sealing ring 304, the sealing ring 304 is provided with a plurality of material passing holes 305, the sealing ring 304 is used for sealing, and plastic is extruded through the material passing holes 305.
The bottom end of the extrusion box 201 is provided with a discharge port 205, the discharge port 205 is conical, and plastic is extruded through the discharge port 205.
The fixing blocks 401 are disposed on the rotating shaft 302, and the fixing blocks 401 are disposed between the spiral agitating rods 303 at intervals, so that the spiral agitating rods 303 are also rotated by the fixing blocks 401 while agitating.
The utility model discloses a theory of operation and use flow: firstly, plastic enters through a feeding hole 203, then the plastic is processed through an extrusion device 2, the extrusion device 2 comprises an extrusion box 201, an extrusion component 3 and a degassing component 4, the molten plastic is extruded through the extrusion component 3, the gas in the molten plastic is removed through the degassing component 4, the extrusion component 3 comprises a motor 301, a rotating shaft 302 and a spiral stirring rod 303, the rotating shaft 302 is driven by the motor 301 to extrude the molten plastic, the degassing component 4 comprises a fixing block 401, a fixing rod 402 and a degassing rod 403, the degassing rod 403 is fixed through the fixing rod 402, then the molten plastic is stirred through a degassing hole 404 to discharge the air in the molten plastic, heating plates 202 are arranged on two sides of the extrusion box 201, the heating plates 202 are used for heating, the molten plastic is prevented from being solidified, a sealing circular ring 304 is arranged at the bottom end of the rotating shaft 302, seted up a plurality of material mouths 305 on the sealed ring 304, sealed through sealed ring 304, made plastics extruded through material mouth 305, extruded case 201 bottom and be provided with discharge gate 205, discharge gate 205 is conical, makes plastics extrude through discharge gate 205, the utility model discloses an extrusion device makes plastics can extrude, clears away the bubble of the plastics the inside of melting, improves the effect of the quality of product.
The basic principles, main features and advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and only the preferred embodiments of the present invention are described in the above embodiments and the description, and the present invention is not limited by the above embodiments, and the present invention can also have various changes and improvements, which fall within the scope of the claimed invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A blown film extrusion apparatus, characterized by: comprises a base (1) and brackets (101) arranged on two sides of the top end of the base (1); an extrusion device (2) is arranged between the two brackets (101);
the extrusion device (2) comprises an extrusion box (201), an extrusion assembly (3) and a degassing assembly (4); the extrusion assembly (3) is arranged in the extrusion box (201); the extrusion component (3) is provided with the degassing component (4);
the extrusion assembly (3) comprises a motor (301), a rotating shaft (302) and a spiral stirring rod (303); the output end of the motor (301) is connected with the rotating shaft (302); one end of the rotating shaft (302) penetrates through the extrusion box (201), and a spiral stirring rod (303) is arranged on the rotating shaft (302);
the degassing assembly (4) comprises a fixing block (401), a fixing rod (402) and a degassing rod (403); the two sides of one end of the fixing block (401) are provided with the fixing rods (402); a plurality of degassing rods (403) are arranged between the two fixing rods (402); a plurality of degassing holes (404) are arranged on the degassing rods (403).
2. The blown film extrusion apparatus of claim 1, wherein: heating plates (202) are arranged on two sides of the extrusion box (201).
3. The blown film extrusion apparatus of claim 1, wherein: a feeding hole (203) is formed in one side of the top end of the extrusion box (201), and an exhaust pipe (204) is arranged on the other side of the top end of the extrusion box (201).
4. The blown film extrusion apparatus of claim 1, wherein: the bottom end of the rotating shaft (302) is provided with a sealing ring (304), and a plurality of material passing openings (305) are formed in the sealing ring (304).
5. The blown film extrusion apparatus of claim 1, wherein: the bottom end of the extrusion box (201) is provided with a discharge hole (205), and the discharge hole (205) is conical.
6. The blown film extrusion apparatus of claim 1, wherein: the fixing blocks (401) are arranged on the rotating shaft (302), and the fixing blocks (401) are arranged among the spiral stirring rods (303) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022621674.7U CN213675444U (en) | 2020-11-12 | 2020-11-12 | Blown film extrusion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022621674.7U CN213675444U (en) | 2020-11-12 | 2020-11-12 | Blown film extrusion equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213675444U true CN213675444U (en) | 2021-07-13 |
Family
ID=76732950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022621674.7U Expired - Fee Related CN213675444U (en) | 2020-11-12 | 2020-11-12 | Blown film extrusion equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213675444U (en) |
-
2020
- 2020-11-12 CN CN202022621674.7U patent/CN213675444U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210713 Termination date: 20211112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |