CN210792004U - High-efficient screw extruder is used in production of PC membrane - Google Patents
High-efficient screw extruder is used in production of PC membrane Download PDFInfo
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- CN210792004U CN210792004U CN201921321488.2U CN201921321488U CN210792004U CN 210792004 U CN210792004 U CN 210792004U CN 201921321488 U CN201921321488 U CN 201921321488U CN 210792004 U CN210792004 U CN 210792004U
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Abstract
The utility model relates to a PC membrane production technical field especially relates to a high-efficient screw extruder is used in production of PC membrane, which comprises a frame, screw extruder and supplementary feeding system, supplementary feeding system includes a plurality of material loading casees, centralized collecting hopper and blanking fill, install vertical single material feeding screw rod in every material loading case, material loading case box top has seted up single material feed inlet, material loading case bottom is equipped with single material discharge gate, the single material discharge gate of every material loading case is linked together with the feed inlet of centralized collecting hopper respectively, the blanking fill is located installs mixture feeding screw rod in the below of centralized collecting hopper and the blanking fill, screw extruder includes feed cylinder and a pair of intermeshing's extrusion screw rod, the feed cylinder top is equipped with the feed cylinder feed inlet, preceding tip is equipped with extrudees the mouth, the feed cylinder feed inlet is linked together with the bottom of blanking fill mutually. The device provided by the utility model equipment is with low costs, and process flow is simple, and production efficiency is high, and the raw materials stirring is caking not and extrude in-process raw materials and can not skid.
Description
Technical Field
The invention relates to the technical field of PC film production, in particular to a high-efficiency screw extruder for PC film production.
Background
In the production process of the PC film, a plurality of different raw materials are required to be stirred together and then enter the screw extruder for extrusion molding, the traditional screw extruder feeding system places a plurality of different powdery materials in a stirring tank, the stirring shaft is driven to rotate by a stirring motor, the raw materials are uniformly stirred and then are pumped into the screw extruder, the feeding system with the structure is easy to agglomerate in the feeding process, the raw materials are not uniformly stirred, the traditional screw extruder is in a single-screw form, the powdery materials are easy to slip in the screw extrusion conveying process, in order to solve the problem, the powdery materials are required to be granulated by a granulator and then sent into the extruder for extrusion molding through the feeding system, the equipment cost is high, the process flow is long, and the production efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing the high-efficiency screw extruder for producing the PC film, which has the advantages of low equipment cost, simple process flow, high production efficiency, uniform stirring and no caking of raw materials and no slippage of the raw materials in the extrusion process.
The invention is realized by the following technical scheme:
a high-efficiency screw extruder for producing PC films comprises a frame, a screw extruder and an auxiliary feeding system, wherein the auxiliary feeding system comprises a plurality of feeding boxes, a centralized collecting hopper and a blanking hopper, the plurality of feeding boxes are arranged on the periphery of the upper part of the centralized collecting hopper, each feeding box is fixedly arranged on the frame respectively, a vertical single-material feeding screw is arranged in each feeding box, a single-material feeding hole is formed in the position, corresponding to the single-material feeding screw, of the top of each feeding box, a single-material discharging hole is formed in the bottom of each feeding box, the single-material discharging hole of each feeding box is communicated with the feeding hole of the centralized collecting hopper respectively, the blanking hopper is positioned below the centralized collecting hopper, a mixed-material feeding screw is arranged in the blanking hopper, the screw extruder comprises a material barrel fixedly arranged on the frame and a pair of mutually meshed extrusion screws which are rotatably arranged in the material barrel, the top of the charging barrel is provided with a charging barrel feeding port, the front end part of the charging barrel is provided with an extrusion port, and the charging barrel feeding port is communicated with the bottom of the blanking hopper.
Furthermore, the driving extrusion screw of the pair of mutually meshed extrusion screws is driven to rotate by an extrusion screw motor fixedly arranged outside the charging barrel.
Furthermore, the single-material feeding screws are driven by single-material feeding screw motors, and the mixture feeding screws are driven by the mixture feeding screw motors.
Furthermore, an air outlet is formed in the top of each feeding box, and a dustproof bag is sleeved on the air outlet.
Furthermore, a rotation-resistant material level switch is fixedly arranged outside the feeding box and the blanking hopper.
Advantageous effects of the invention
The invention discloses a high-efficiency screw extruder for producing PC films, which is provided with a plurality of feeding boxes, wherein a vertical single-material feeding screw is arranged in each feeding box, different raw materials for producing the PC films are placed in different feeding boxes, the single-material feeding screws are used for feeding materials into a centralized material receiving hopper, powder material caking can be prevented, the rotating speed of the single-material feeding screws can be controlled according to the proportion of the raw materials, so that the feeding amount is better and uniformly controlled, different raw materials flow out from different discharging ports of the feeding boxes and then enter the centralized material receiving hopper, the different raw materials are mixed and conveyed into the screw extruder through the mixed material feeding screws, the different raw materials are uniformly mixed and stirred according to the proportion and cannot be caked, and the powder materials are conveyed into an extrusion material barrel and then are extruded and extruded through a pair of mutually meshed extrusion screws, the granulating machine is not needed for granulating, the powdery material cannot slip in the conveying and extruding process, the equipment cost is low, the process flow is simple, and the production efficiency is higher.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of a screw extruder;
in the figure, 1, a feeding box, 2, a single material feeding screw motor, 3, a dust-proof bag, 4, an air outlet, 5, a rotation-resistant material level switch, 6, a single material feeding screw, 7, a centralized material receiving hopper, 8, a magnetic bar, 9, a blanking hopper, 10, a mixed material feeding screw motor, 11, a mixed material feeding screw, 12, a frame, 13, a charging barrel, 14, an extrusion opening, 15, an extrusion screw, 16, an extrusion screw motor and 17, a charging port of the charging barrel are arranged.
Detailed Description
A high-efficiency screw extruder for producing PC films comprises a frame 12, a screw extruder and an auxiliary feeding system, wherein the auxiliary feeding system comprises a plurality of feeding boxes 1, a centralized receiving hopper 7 and a blanking hopper 9, the plurality of feeding boxes are arranged on the periphery of the upper part of the centralized receiving hopper, each feeding box is fixedly arranged on the frame respectively, a vertical single-material feeding screw 6 is arranged in each feeding box, the top of each feeding box body corresponds to the single-material feeding screw, a single-material discharging hole is arranged at the bottom of each feeding box body, the single-material discharging hole of each feeding box is communicated with the feeding hole of the centralized receiving hopper respectively, the blanking hopper is positioned below the centralized receiving hopper and is internally provided with a mixture feeding screw 11, the screw extruder comprises a material barrel 13 fixedly arranged on the frame and a pair of mutually meshed extrusion screws 15 which are rotatably arranged in the material barrel, the top of the charging barrel is provided with a charging barrel feeding port 17, the front end part of the charging barrel is provided with an extrusion port 14, and the charging barrel feeding port is communicated with the bottom of the blanking hopper.
Further, the driving extrusion screw of the pair of intermeshing extrusion screws is driven to rotate by an extrusion screw motor 16 fixedly mounted outside the barrel.
Further, the magnetic rod 8 is fixedly mounted at the feeding port of the centralized material receiving hopper, so that metal impurities contained in the raw materials can be adsorbed, the raw materials are purer, and the product quality is ensured.
Furthermore, the single-material feeding screws are driven by the single-material feeding screw motors 2, the mixture feeding screws are driven by the mixture feeding screw motors 10, and the rotating speeds of the feeding screws can be controlled by controlling the corresponding motor rotating speeds, so that the feeding speed is controlled.
Furthermore, an air outlet 4 is formed in the top of each feeding box, and a dustproof bag 3 is sleeved on the air outlet, so that the pressure balance in the feeding boxes can be kept, and powder is prevented from flying.
Furthermore, a material blocking and rotating switch 5 is fixedly installed outside the feeding box and the blanking hopper, the feeding conditions in the feeding box and the blanking hopper can be monitored in real time, the material blocking and rotating switch is connected with a corresponding feeding screw motor, and when the material blocking and rotating switch detects that no material exists in the feeding box or the blanking hopper, the corresponding feeding screw motor is controlled to stop rotating, so that the feeding screw motor is prevented from idle running.
When the extruder works, different raw materials for producing PC films are placed in different feeding boxes, the single feeding screw is used for feeding materials into the centralized receiving hopper, powder material caking can be prevented, the rotating speed of the single feeding screw can be controlled according to the proportion of the raw materials, so that the feeding amount can be controlled better and uniformly, different raw materials flow out of different feeding box discharge ports and then enter the centralized receiving hopper, and are mixed and conveyed into the screw extruder through the mixture feeding screw, so that the different raw materials are mixed and stirred uniformly according to the proportion and can not cake, and the powder material enters the extrusion receiving hopper and is conveyed to be extruded through a pair of mutually meshed extrusion screws for extrusion forming, granulation is not needed, the powder material can not slip in the conveying and extrusion process, and the equipment cost is low, the process flow is simple and the production efficiency is high.
In conclusion, the high-efficiency screw extruder for producing the PC film, disclosed by the invention, has the advantages of low equipment cost, simple process flow, high production efficiency, uniform stirring of raw materials, no caking and no slippage of the raw materials in the extrusion process.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A high-efficiency screw extruder for producing PC films is characterized by comprising a rack, a screw extruder and an auxiliary feeding system, wherein the auxiliary feeding system comprises a plurality of feeding boxes, a centralized collecting hopper and a blanking hopper, the plurality of feeding boxes are arranged on the periphery of the upper part of the centralized collecting hopper, each feeding box is fixedly arranged on the rack respectively, a vertical single-material feeding screw is arranged in each feeding box, a single-material feeding hole is formed in the position, corresponding to the single-material feeding screw, of the top of each feeding box, a single-material discharging hole is formed in the bottom of each feeding box, the single-material discharging hole of each feeding box is communicated with the feeding hole of the centralized collecting hopper respectively, the blanking hopper is positioned below the centralized collecting hopper, a mixture feeding screw is arranged in the blanking hopper, the screw extruder comprises a material barrel fixedly arranged on the rack and a pair of rotary mutually meshed extrusion screws arranged in the material barrel, the top of the charging barrel is provided with a charging barrel feeding port, the front end part of the charging barrel is provided with an extrusion port, and the charging barrel feeding port is communicated with the bottom of the blanking hopper.
2. A high efficiency screw extruder for PC film production as recited in claim 1, wherein the driving extrusion screw of the pair of intermeshing extrusion screws is rotated by an extrusion screw motor fixedly mounted outside the barrel.
3. The high-efficiency screw extruder for producing the PC film as claimed in claim 1, wherein a magnetic bar is fixedly installed at a feed inlet of the centralized receiving hopper.
4. The high-efficiency screw extruder for producing the PC film according to claim 1, wherein the plurality of single-material feeding screws are driven by single-material feeding screw motors, and the mixture feeding screws are driven by mixture feeding screw motors.
5. The efficient screw extruder for producing the PC film as claimed in claim 1, wherein an air outlet is formed at the top of each feeding box, and a dust bag is sleeved on the air outlet.
6. The high-efficiency screw extruder for producing the PC film as claimed in claim 1, wherein a rotation-resistant level switch is fixedly arranged outside the feeding box and the blanking hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921321488.2U CN210792004U (en) | 2019-08-15 | 2019-08-15 | High-efficient screw extruder is used in production of PC membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921321488.2U CN210792004U (en) | 2019-08-15 | 2019-08-15 | High-efficient screw extruder is used in production of PC membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210792004U true CN210792004U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921321488.2U Active CN210792004U (en) | 2019-08-15 | 2019-08-15 | High-efficient screw extruder is used in production of PC membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210792004U (en) |
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2019
- 2019-08-15 CN CN201921321488.2U patent/CN210792004U/en active Active
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