CN217862229U - Filtration formula plastic granules extruder - Google Patents
Filtration formula plastic granules extruder Download PDFInfo
- Publication number
- CN217862229U CN217862229U CN202221724749.7U CN202221724749U CN217862229U CN 217862229 U CN217862229 U CN 217862229U CN 202221724749 U CN202221724749 U CN 202221724749U CN 217862229 U CN217862229 U CN 217862229U
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- screw rod
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- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a filtering type plastic particle extruder, which can effectively solve the problem that the extrusion of thermoplastic after uneven stirring of a screw affects the molding quality of extruded plastic; comprises an extrusion cavity and a screw rod arranged in the extrusion cavity; the output end of the extrusion cavity is communicated with an output cavity, and a guide head is arranged in the output cavity; wherein, the guide head is rotationally arranged at the end part of the screw rod, and guide grooves are uniformly distributed on the circumference of the outer surface of the guide head; the cavity wall of extruding the chamber comprises an extruding cylinder, the screw rod rotates and sets up in the extruding cylinder, the extruding cylinder upper end still is provided with the lower hopper with extrude the chamber intercommunication, screw rod one end is connected with the motor. Has the advantages that: the guide head in the device is arranged in the extrusion head, when the thermoplastic is extruded from the extrusion cavity to enter the output cavity, the guide head can rotate according to the fluid state and the pressure state of the thermoplastic, the thermoplastic which is not uniformly stirred can be further stirred and guided, and the quality of the extruded plastic is improved.
Description
Technical Field
The utility model relates to a filtration formula plastic granules extruder belongs to extruder equipment field.
Background
In the plastic extrusion molding equipment, a plastic extruder is generally called a main machine, and a plastic extrusion molding machine which is matched with the main machine and is used as a follow-up equipment is called an auxiliary machine, so that the plastic extruder is widely used in the plastic processing industry at present.
However, when the extruder is used, as part of materials of the plastic in a hot-melting state are not completely melted during hot melting, the thermoplastic density input into the extrusion cylinder is inconsistent, and although the screw is used for uniform transmission, the density of the thermoplastic still after being output from the extrusion cylinder is also inconsistent, so that the quality of the subsequent extruded plastic is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a filtration formula plastic granules extruder can effectively solve the thermoplastic problem of extruding the influence extrusion plastics shaping quality after the screw rod stirring inequality.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
comprises an extrusion cavity and a screw rod arranged in the extrusion cavity; the output end of the extrusion cavity is communicated with an output cavity, and a guide head is arranged in the output cavity; the guide head is rotatably arranged at the end part of the screw rod, and guide grooves are uniformly distributed on the circumference of the outer surface of the guide head.
Preferably, the following components: the cavity wall of the extrusion cavity is composed of an extrusion cylinder, the screw is rotatably arranged in the extrusion cylinder, the upper end of the extrusion cylinder is also provided with a blanking hopper communicated with the extrusion cavity, and one end of the screw is connected with a motor.
Preferably: the cavity wall of the output cavity is composed of an extrusion head, and the extrusion head is connected with the extrusion cylinder through a bolt.
Preferably, the following components: an extrusion die is further arranged at one end of the extrusion head.
And further: the screw rod end is most advanced form, guide head one end is rotated through a pivot and is set up the most advanced position of screw rod.
And further: the whole guide head is in a circular truncated cone shape.
Further: the wall of the output cavity is contracted along the material conveying direction.
Preferably, the following components: the outer surface of the extrusion head is also contracted along the material conveying direction.
Further: the extrusion die is characterized in that a pre-storing cavity is further arranged between the output cavity and the extrusion cavity, the wall of the extrusion cavity and the wall of the pre-storing cavity are integrally cylindrical, and the diameter of the cross section circle of the extrusion cavity is smaller than that of the cross section circle of the pre-storing cavity.
The beneficial effects are that:
the guide head in the device is arranged in the extrusion head, when the thermoplastic is extruded from the extrusion cavity and enters the output cavity, the guide head can rotate according to the fluid state and the pressure state of the thermoplastic, the thermoplastic which is not uniformly stirred can be further stirred and guided, and the quality of the extruded plastic is improved.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a view of a scraper device according to the present invention;
FIG. 3 is a part view of the upper and lower fixing plates of the present invention;
fig. 4 is a matching view of the upper fixing plate and the lower fixing plate of the present invention.
Description of reference numerals:
1. an extrusion chamber; 2. a screw; 3. an output cavity; 4. a guide head; 5. a rotating shaft; 6. pre-storing a cavity; 7. a guide groove; 8. an extrusion cylinder; 9. an extrusion head; 10. and (4) extruding the die.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.
Referring to figures 1-4 for one embodiment of the filter type plastic pellet extruder of this invention,
comprises an extrusion cavity 1 and a screw rod 2 arranged in the extrusion cavity 1; the output end of the extrusion cavity 1 is communicated with an output cavity 3, and a guide head 4 is arranged in the output cavity 3; wherein, the leading head 4 rotates and sets up at 2 tip of screw rod, and 4 outer surface circumference equipartitions of leading head have the guiding groove.
The chamber wall of extruding chamber 1 comprises an extrusion section of thick bamboo 8, and screw rod 2 rotates and sets up in extrusion section of thick bamboo 8, and extrusion section of thick bamboo 8 upper end still is provided with the lower hopper with extruding chamber 1 intercommunication, and screw rod 2 one end is connected with the motor.
The cavity wall of the output cavity 3 is formed by an extrusion head 9, and the extrusion head 9 is connected with the extrusion cylinder 8 through bolts.
The plastic particle extruder generally comprises an extrusion system
The extrusion system is composed of a screw 2, an extrusion cylinder 8, a discharge hopper, an extrusion head 9 and an extrusion die 10, and the plastic is plasticized into a uniform melt by the extrusion system and is continuously output from the extrusion head 9 by the screw 2 under the pressure established in the process.
The screw 2 is made of high-strength corrosion-resistant alloy steel.
The extrusion cylinder 8 is a metal cylinder and is made of alloy steel with high heat resistance, high compressive strength, firmness, wear resistance and corrosion resistance or a composite steel pipe lined with alloy steel.
The extrusion cylinder 8 is matched with the screw to realize the crushing, softening, melting, plasticizing, exhausting and compacting of the plastic, and continuously and uniformly convey the rubber to a forming system.
The extrusion die 10 is used to control the shape of the extruded plastic.
The discharging hopper is used for discharging materials in the extruding cylinder 8.
The extrusion head 9 is composed of an alloy steel inner sleeve and a carbon steel outer sleeve, the extrusion head 9 is used for converting plastic melt in rotary motion into parallel linear motion, uniformly and stably guiding the plastic melt into the guide head 4, endowing the plastic with necessary forming pressure, and then outputting the plastic from the guide groove 7.
The guide head 4 in the device is arranged in the extrusion head 9, when the thermoplastic is extruded from the extrusion cavity 1 into the output cavity 3, the guide head 4 can rotate according to the fluid state and the pressure state of the thermoplastic, the thermoplastic which is not uniformly stirred can be further stirred and guided, and the quality of the extruded plastic is improved.
An extrusion die 10 is further arranged at one end of the extrusion head 9, the extrusion die 10 is used for outputting strip-shaped plastics, and a cutting device is matched to form plastic particles.
The end of the screw rod 2 is in a tip shape, and one end of the guide head 4 is rotatably arranged at the tip part of the screw rod 2 through a rotating shaft 5.
The whole round platform that is of guide head 4 is described, and guide head 4 and screw rod 2 cooperate and form a space of storing thermoplasticity to because the setting of guide head 4, the pressure increase that the thermoplasticity in this space received, the thermoplasticity of extruding that can be more convenient.
The cavity wall of the output cavity 3 is contracted along the material conveying direction.
The constricted cavity wall facilitates extrusion of the thermoplastic.
The outer surface of the extrusion head 9 is likewise constricted in the material transport direction.
The output cavity 3 still is provided with the chamber 6 of prestoring between the chamber 1 with extruding, extrudes 1 chamber wall in the chamber, prestores 6 chamber walls in the chamber wholly for cylindricly, and extrudes 1 cross-section circle diameter in chamber and is less than prestoring 6 cross-section circle diameters in the chamber.
The pre-storage chamber 6 is arranged to increase the range of space for storing the thermoplastic.
The above description is only for the specific embodiments of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (5)
1. A filter type plastic particle extruder is characterized in that: comprises an extrusion cavity (1) and a screw (2) arranged in the extrusion cavity (1); the output end of the extrusion cavity (1) is communicated with an output cavity (3), and a guide head (4) is arranged in the output cavity (3); the guide head (4) is rotatably arranged at the end part of the screw rod (2), and guide grooves are uniformly distributed on the circumference of the outer surface of the guide head (4).
2. The filtering plastic pellet extruder of claim 1, wherein: the screw rod (2) end is pointed, and guide head (4) one end is rotated through a pivot (5) and is set up the most advanced position of screw rod (2).
3. The filtered plastic pellet extruder of claim 1, wherein: the whole guide head (4) is in a circular truncated cone shape.
4. The filtered plastic pellet extruder of claim 1, wherein: the cavity wall of the output cavity (3) is in a contraction shape along the material transmission direction.
5. The filtering plastic pellet extruder of claim 1, wherein: the device is characterized in that a pre-storing cavity (6) is further arranged between the output cavity (3) and the extrusion cavity (1), the wall of the extrusion cavity (1) and the wall of the pre-storing cavity (6) are integrally cylindrical, and the diameter of the cross section circle of the extrusion cavity (1) is smaller than that of the cross section circle of the pre-storing cavity (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221724749.7U CN217862229U (en) | 2022-07-06 | 2022-07-06 | Filtration formula plastic granules extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221724749.7U CN217862229U (en) | 2022-07-06 | 2022-07-06 | Filtration formula plastic granules extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217862229U true CN217862229U (en) | 2022-11-22 |
Family
ID=84100084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221724749.7U Active CN217862229U (en) | 2022-07-06 | 2022-07-06 | Filtration formula plastic granules extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217862229U (en) |
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2022
- 2022-07-06 CN CN202221724749.7U patent/CN217862229U/en active Active
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