CN201669872U - Multi-feed opening screw extrusion equipment - Google Patents
Multi-feed opening screw extrusion equipment Download PDFInfo
- Publication number
- CN201669872U CN201669872U CN2010201961709U CN201020196170U CN201669872U CN 201669872 U CN201669872 U CN 201669872U CN 2010201961709 U CN2010201961709 U CN 2010201961709U CN 201020196170 U CN201020196170 U CN 201020196170U CN 201669872 U CN201669872 U CN 201669872U
- Authority
- CN
- China
- Prior art keywords
- screw
- twin
- extrusion system
- screw rod
- screw extrusion
- Prior art date
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- 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 multi-feed opening screw extrusion equipment comprising a feeding system and a screw extrusion system, wherein the screw extrusion system consists of a double-screw extrusion system and a single-screw extrusion system, and the outlet of the double-screw extrusion system is communicated with the inlet of the single-screw extrusion system; and the equipment also comprises an automatic control system used for controlling the feeding system and the screw extrusion system. The equipment perfectly achieves the purpose of designing multiple feed openings on an extruder, namely pressure on materials can be increased in the process of extrusion treatment, and timely pressurization and decompression can be carried out according to requirements so as to lead mixing to be more uniform, stirring to be more thorough and product quality to be always high-graded and stable; and the application range of the extruder with multiple feed openings is broadened, and the application prospect of multi-feed opening design is much more promising.
Description
Technical field
The utility model belongs to the extruder field, is specifically related to a kind of screw extruder of multiple feed inlet.
Background technology
Screw extruder is widely used in various fields as the manufacturing of macromolecular material and the visual plant of processing and forming, therefore is applicable to that the extruder of different aspect and product is of a great variety.Because screw extruder can make the skewness of material between screw rod when having a charging aperture, thereby makes that the product uniformity of discharging opening is bad, can not reach high performance requirement.For overcoming this problem, ZL200820042276.6 disclose a kind of 4～6 charging apertures that on barrel, evenly distribute screw extruder, but the material of section was inhomogeneous before and after the even distribution of charging aperture also can cause in the barrel, simultaneously because the setting of existing screw rod and the equal incompatibility multiple feed inlet of other equipment, therefore about the design of extruder multiple feed inlet, its performance, effect and concrete technological means all can't produce a desired effect.
Summary of the invention
The purpose of this utility model is in order to realize the design about the extruder multiple feed inlet, a whole set of multiple feed inlet screw extruder to be provided.
The purpose of this utility model can reach by following measure:
A kind of multiple feed inlet screw extruder, comprise charging system and screw rod extrusion system, described screw rod extrusion system is made up of twin-screw extrusion system and single screw rod extrusion system, described twin-screw extrusion system comprises the twin-screw barrel and is located at the interior twin-screw by drive mechanism of described twin-screw barrel, the charging aperture of the described charging system that is provided with a plurality of uneven distributions in the top and the bottom of described twin-screw barrel, the screw rod of described twin-screw is made up of the power transmission shaft cervical part of esophagus and the mixing section that link to each other with described driving mechanism, and the outlet of described twin-screw extrusion system communicates with the inlet of described single screw rod extrusion system; Also be provided with the automatic control system that is used to control charging system and screw rod extrusion system.
Described automatic control system can be controlled the reinforced of whole system automatically by computer, temperature, humidity in the extruder, extruded velocity and extrude progress, fault or problem place etc.Automatic control system not only can reduce workman's workload, can also reduce human operational error and error as much as possible, makes whole system even running also greatly reduce operation easier.
Charging system comprises material stock storehouse and the weight-loss metering hybrid system of being located under the described material stock storehouse with one or more charge doors.Charging system can be not only one.Weight-loss metering hybrid system in the charging system can high precision the control feeding quantity, make extruding or reacting accurate more of system's operation and product, but the good environment for use of this system requirements particularly needs to reduce the interference of wind, vibrations and electromagnetism.
Preferably be provided with the charging aperture of the charging system of 2～4 uneven distributions at the top of twin-screw barrel, preferably be provided with the charging aperture of the charging system of 3～10 uneven distributions in the bottom of twin-screw barrel.The overall distribution of each charging aperture is also inhomogeneous, and wherein a part evenly distributes, and other part uneven distributions, the concrete position that is provided with is decided according to the length of barrel, the shape of the screw rod that adopts.
Identical but configuration direction different kneading piece is composed of a fixed connection the screw mixing section of twin-screw by some thickness, mediate piece and can adopt multiple shape, each mediates the cross section of piece can be different, also can be identical, determine according to physical condition and the performance that will produce product.Be provided with mixing groove between adjacent two kneading pieces, the width of each mixing groove is preferably identical.
Single screw rod extrusion system comprises single screw cylinder and single screw rod, and described single screw rod is positioned at described single screw cylinder and fixedlys connected with another driving mechanism.Non-driving mechanism end at single screw cylinder is provided with the final products outlet.Material after the twin-screw extrusion system is handled is proceeded to handle in this list screw rod extrusion system, thereby has further guaranteed product quality.
Automatic control system of the present utility model not only can reduce workman's workload, can also reduce human operational error and error as much as possible, makes whole system even running also greatly reduce operation easier; Charging system has realized high precision control, and two extrusion systems have further guaranteed product quality; The structure of twin-screw can be mated well with multiple feed inlet.The perfect purpose of design that realizes the extruder multiple feed inlet of this equipment, promptly can increase the pressure of extruding in the processing procedure material, and the decompression in good time of pressurization in good time as required, make mixing more even, stir more thorough, more make the product quality stability height, multiple feed inlet has more increased the output of product; Enlarged the range of application of multiple feed inlet screw extruder, made multiple feed inlet design application prospect brighter and clearer.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
The screw-rod structure of twin-screw extrusion system as shown in Figure 1, this screw rod 4 only is made up of the power transmission shaft cervical part of esophagus that links to each other with transmission mechanism 10 and the mixing section 11 that is connected in after the power transmission shaft cervical part of esophagus 10.Wherein mixing section 11 radially is composed of a fixed connection mutually by a plurality of kneading pieces 12, and each thickness of mediating piece 12 is identical, cross section can different and configuration direction difference.Between per two adjacent kneading pieces 12, be provided with the identical mixing groove 13 of width.
Overall structure of the present utility model mainly is made up of charging system and screw rod extrusion system as shown in Figure 1, and wherein charging system adds raw material by a plurality of charge doors to the screw rod extrusion system.Charging system comprises material stock storehouse 8 and weight-loss metering hybrid system 9, and wherein weight-loss metering hybrid system 9 is located under the material stock storehouse 8, and weight-loss metering hybrid system 9 has one or more charge doors 6.This charging system can have one or more.
The screw rod extrusion system is made up of twin-screw extrusion system 1 and single screw rod extrusion system 2, and the outlet of twin-screw extrusion system 1 communicates with the inlet of single screw rod extrusion system 2.
Twin-screw extrusion system 1 comprises twin-screw barrel 3 and the twin-screw of being located in the twin-screw barrel 34 (screw-rod structure as shown in Figure 1) by driving mechanism 5 drivings, be provided with the charging aperture 9 of the charging system of 2～4 uneven distributions at the top of twin-screw barrel 3, also be provided with the charging aperture 9 of the charging system of 3～10 uneven distributions in the bottom of twin-screw barrel 3.
Single screw rod extrusion system 2 comprises single screw cylinder 16 and single screw rod 15, and single screw rod 15 is positioned at single screw cylinder 16 and fixedlys connected with another driving mechanism 14.Non-driving mechanism end at single screw cylinder 16 is provided with final products outlet 18.
The operational process of multiple feed inlet screw extruder is as follows: earlier material is stored in the material stock storehouse 8, under the control of automatic control system 7, via each charge door 9 material is added each one in the twin-screw barrel 3 with accurate amount by weight-loss metering hybrid system 9, be rotated under uniform temperature and humidity by driving mechanism 5 twin-screws 4 that are complementary with each charging aperture 9 that drive, material pushed with tempering toughness with gentleness mix or react, and under the promotion of twin-screw 4, enter in single screw cylinder 16, material is proceeded extruding and is mixed or react under the effect of the single screw rod 15 that is driven by driving mechanism 14 in single screw cylinder 16, finally by discharging opening 18 finished product is discharged.The running of whole service situation and equipment is all carried out under the regulation and control of automatic control system 7.
Claims (6)
1. multiple feed inlet screw extruder, comprise charging system and screw rod extrusion system, it is characterized in that described screw rod extrusion system is made up of twin-screw extrusion system (1) and single screw rod extrusion system (2), described twin-screw extrusion system (1) comprises twin-screw barrel (3) and is located at the interior twin-screw (4) by driving mechanism (5) driving of described twin-screw barrel (3), the charging aperture (6) of the described charging system that is provided with a plurality of uneven distributions in the top and the bottom of described twin-screw barrel (3), the screw rod of described twin-screw (4) is made up of power transmission shaft cervical part of esophagus (10) that links to each other with described driving mechanism (5) and mixing section (11), and the outlet of described twin-screw extrusion system (1) communicates with the inlet of described single screw rod extrusion system (2); Also be provided with the automatic control system (7) that is used to control charging system and screw rod extrusion system.
2. multiple feed inlet screw extruder according to claim 1 is characterized in that described charging system comprises material stock storehouse (8) and is located at the weight-loss metering hybrid system (9) with one or more charge doors (6) under the described material stock storehouse (8).
3. multiple feed inlet screw extruder according to claim 1, it is characterized in that being provided with the charging aperture (6) of the described charging system of 2～4 uneven distributions, be provided with the charging aperture (6) of the described charging system of 3～10 uneven distributions in the bottom of described twin-screw barrel (3) at the top of described twin-screw barrel (3).
4. multiple feed inlet screw extruder according to claim 1, identical but the different kneading piece (12) of configuration direction is composed of a fixed connection the screw mixing section (11) that it is characterized in that described twin-screw (4) by some thickness, mediates between the pieces (12) at adjacent two and is provided with mixing groove (13).
5. multiple feed inlet screw extruder according to claim 4 is characterized in that the width of each described mixing groove (13) is identical.
6. multiple feed inlet screw extruder according to claim 1, it is characterized in that described single screw rod extrusion system (2) comprises single screw cylinder (16) and single screw rod (15), described single screw rod (15) is positioned at described single screw cylinder (16) and fixedlys connected with another driving mechanism (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201961709U CN201669872U (en) | 2010-05-19 | 2010-05-19 | Multi-feed opening screw extrusion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201961709U CN201669872U (en) | 2010-05-19 | 2010-05-19 | Multi-feed opening screw extrusion equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201669872U true CN201669872U (en) | 2010-12-15 |
Family
ID=43327284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201961709U Expired - Fee Related CN201669872U (en) | 2010-05-19 | 2010-05-19 | Multi-feed opening screw extrusion equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201669872U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109016355A (en) * | 2018-06-26 | 2018-12-18 | 苏州朵唯智能科技有限公司 | A kind of precise injection machine dosing device |
| CN111844870A (en) * | 2020-07-28 | 2020-10-30 | 昆山久硕电子有限公司 | Active carbon filter core extrusion device |
-
2010
- 2010-05-19 CN CN2010201961709U patent/CN201669872U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109016355A (en) * | 2018-06-26 | 2018-12-18 | 苏州朵唯智能科技有限公司 | A kind of precise injection machine dosing device |
| CN111844870A (en) * | 2020-07-28 | 2020-10-30 | 昆山久硕电子有限公司 | Active carbon filter core extrusion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20120519 |