CN105269789A - Hollow single-screw compound co-extrusion machine - Google Patents
Hollow single-screw compound co-extrusion machine Download PDFInfo
- Publication number
- CN105269789A CN105269789A CN201510703236.6A CN201510703236A CN105269789A CN 105269789 A CN105269789 A CN 105269789A CN 201510703236 A CN201510703236 A CN 201510703236A CN 105269789 A CN105269789 A CN 105269789A
- Authority
- CN
- China
- Prior art keywords
- screw
- hopper
- spiral groove
- cored screw
- hollow
- 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.)
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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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/51—Screws with internal flow passages, e.g. for molten material
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- 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
Abstract
The invention relates to a hollow single-screw compound co-extrusion machine which comprises a motor, a transmission mechanism, a seat, radial thrust bearing sets, a machine barrel, hollow screws, electric heating coils, an extrusion machine head, a first hopper, a second hopper, a gear and a mandrel. The motor is used for driving the hollow screws to rotate to convey materials through the transmission mechanism and the gear. The hollow single-screw compound co-extrusion machine is characterized in that the mandrel is installed on the seat; the hollow screws are located in the machine barrel; inner circle holes and outer circles of the hollow screws are provided with inner spiral grooves and outer spiral grooves respectively; the hollow screws are provided with radial material channels; the first hopper and the second hopper are arranged on the machine barrel; the first hopper is communicated with one ends of the outer spiral grooves through the machine barrel, and the other ends of the outer spiral grooves are communicated with a discharging port of the extrusion machine head; the second hopper is communicated with the radial material channels through the machine barrel, and the radial material channels are communicated with one ends of the inner spiral grooves; and the other ends of the inner spiral grooves are communicated with the discharging port of the extrusion machine head. The hollow single-screw compound co-extrusion machine has the beneficial effects that the structure is simple, manufacturing, using and maintaining cost is low, manufactured products are good in quality, and production efficiency is high.
Description
Technical field
The present invention relates to a kind of hollow singe screw co-extrusion machine, can be used for the co-extrusion of the plastic products such as composite pipe, composite board, composite sheet and all kinds of cables.
Background technology
Composite co-extruding is that more than two kinds different materials are carried out compound extruded, after cooling and shaping, becomes a kind of extruding process thereof of multi-layer product.At present, common composite co-extruding material has composite pipe, composite board, composite sheet and fiber optic cable etc.But now for co-extrusion equipment normally by more than two screw extruder combine, device structure is complicated, floor space is large and manufacturing cost is high, and, fused materials from different extruder will reach production requirement, also need to re-start and distribute and distribution, this just must have influence on quality of item, outward appearance and production efficiency.
A solution is provided in patent ZL200510105781, two coaxial interior external screw rods are adopted to carry out compound extruded, part overcomes the problem of generation when simultaneously using more than two screw extruders to carry out compound extruded, but its structure still has the place being worth simplifying.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and provide a kind of hollow singe screw co-extrusion machine, its structure is simple, and manufacture, use technology cost is all low, the good product quality produced, production efficiency is high.
In order to achieve the above object, the present invention realizes like this, it is a kind of hollow singe screw co-extrusion machine, comprises motor, transmission mechanism, stand, radial thrust bearing group, machine barrel, cored screw, electric heating coil, extruder head, the first hopper, the second hopper, gear and mandrel; Wherein said motor to be rotated convey materials by transmission mechanism and gear driven cored screw, and extruder head is located at the discharge outlet of machine barrel; It is characterized in that described mandrel is arranged on stand, described cored screw is positioned at machine barrel, and described mandrel is positioned at cored screw, and machine barrel, cored screw and mandrel are all coaxial; In described cored screw, circular hole and cylindrical are respectively equipped with inner spiral groove and external spiral groove, cored screw is provided with radial material road; Described first hopper and the second hopper are located on machine barrel respectively, the first hopper by one end UNICOM of the external spiral groove of machine barrel and cored screw, the other end of external spiral groove and the discharging opening UNICOM of extruder head; Described second hopper by the radial Liao Dao UNICOM of machine barrel and cored screw, one end UNICOM of described radial direction material road and inner spiral groove, the other end of inner spiral groove and the discharging opening UNICOM of extruder head.
The cylindrical of described cored screw is also provided with cannelure, and described cannelure is between the discharging opening and the radial direction material road of cored screw of the second hopper, and cannelure is by the radial Liao Dao UNICOM of the discharging opening of the second hopper and cored screw.
The external spiral groove of described cored screw is identical with the rotation direction of inner spiral groove, and helicla flute rotation direction is both left-handed, again dextrorotation.
Described mandrel can be fixing, also can rotate.
Described cored screw can be single-head screw, also can be multiple-threaded screw.
The helicla flute of described external spiral groove and inner spiral groove and spiral shell rib can be designed to difform section molded line, also can be designed to pin, barrier head, annular, separation shape, flute profile, waveform.
Compared with prior art, tool has the following advantages in the present invention:
When going out different material for double-layer coextrusion, owing to only having a screw rod, machine barrel and a set of transmission system, therefore simplify the structure, decrease equipment total amount, manufacture, use technology cost all reduce, and due to the shared extruder head of two kinds of fused materials, therefore can obviously reduce and reduce " lapping defect line " impact on quality of item;
When for extruding material of the same race, because the inside and outside circle of cored screw all has helicla flute, therefore conveying capacity and output are significantly improved, and are doubled in theory.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.It should be noted that at this, the explanation for these embodiments understands the present invention for helping, but does not form limitation of the invention.In addition, if below in described each embodiment of the present invention involved technical characteristic do not form conflict each other and just can be combined with each other.
In describing the invention, term " first " and " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
As shown in Figure 1, it is a kind of hollow singe screw co-extrusion machine, comprise motor 1, transmission mechanism 2, stand 3, radial thrust bearing group 4, machine barrel 5, cored screw 6, electric heating coil 7, extruder head 8, first hopper 9, second hopper 10, gear 11 and mandrel 12, motor 1 drives cored screw 6 to rotate convey materials by transmission mechanism 2 and gear 11, wherein said motor 1 drives cored screw 6 to rotate convey materials by transmission mechanism 2 and gear 11, and extruder head 8 is located at the discharge outlet of machine barrel 5; Described mandrel 12 is arranged on stand 3, and described cored screw 6 is positioned at machine barrel 5, and described mandrel 12 is positioned at cored screw 6, and machine barrel 5, cored screw 6 and mandrel 12 are all coaxial; Described electric heating coil 7 is located on machine barrel 5, and electric heating coil 7 pairs of machine barrels 5 heat; In described cored screw 6, circular hole and cylindrical are respectively equipped with inner spiral groove 602 and external spiral groove 601, cored screw 6 is provided with radial material road 604; Described first hopper 9 and the second hopper 10 are located on machine barrel 5 respectively, and the first hopper 9 passes through one end UNICOM of the external spiral groove 601 of machine barrel 5 and cored screw, the other end of external spiral groove 601 and the discharging opening UNICOM of extruder head 8; Described second hopper 10 is by radial Liao Dao 604 UNICOM of machine barrel 5 with cored screw, and described radial direction expects one end UNICOM of road 604 and inner spiral groove 602, the other end of inner spiral groove 602 and the discharging opening UNICOM of extruder head 8.
During work, cored screw 6 rotates, material in first hopper 9 enters in cylindrical helicla flute 601 by the charging aperture of machine barrel 5, then extruder head 8 is entered through transporting step by step, meanwhile, material in second hopper 10 enters into radial material road 604 by machine barrel 5, enters inner spiral groove 602 again, then enter extruder head 8 along inner spiral groove 602 from radial direction material road 604.It is outer for heated material that electric heating coil 7 is set in machine barrel 5, and, also be provided with electric heater in the inside of mandrel 12 to heat the material in inner spiral groove 602, due to electroheat technology relative maturity and non-this invention emphasis place, therefore electric heater do not drawn in mandrel 12 structural representation.
In the present embodiment, the cylindrical of described cored screw 6 is also provided with cannelure 603, described cannelure 603 the second hopper 10 discharging opening and radial expect between road 604, cannelure 603 is by the discharging opening of the second hopper 10 and radial Liao Dao 604 UNICOM.
In the present embodiment, the external spiral groove 601 of described cored screw 6 is identical with the rotation direction of inner spiral groove 602, and helicla flute rotation direction is both left-handed, again dextrorotation.
In the present embodiment, described mandrel 12 can be fixing, also can rotate.
In the present embodiment, described cored screw 6 can be single-head screw, also can be multiple-threaded screw.
In the present embodiment, the helicla flute of described external spiral groove 601 and inner spiral groove 602 and spiral shell rib can be designed to difform section molded line, also can be designed to pin, barrier head, annular, separation shape, flute profile, waveform.
Below by reference to the accompanying drawings detailed description is made to embodiments of the present invention, but the present invention is not limited to described embodiment.For the ordinary skill in the art, carry out multiple change, amendment, replacement and distortion when not departing from principle of the present invention and aim to these embodiments still to fall within protection scope of the present invention.
Claims (6)
1. a hollow singe screw co-extrusion machine, comprises motor (1), transmission mechanism (2), stand (3), radial thrust bearing group (4), machine barrel (5), cored screw (6), electric heating coil (7), extruder head (8), the first hopper (9), the second hopper (10), gear (11) and mandrel (12); Wherein said motor (1) drives cored screw (6) to rotate convey materials by transmission mechanism (2) and gear (11), and extruder head (8) is located at the discharge outlet of machine barrel (5); It is characterized in that described mandrel (12) is arranged on stand (3); Described cored screw (6) is positioned at machine barrel (5), and described mandrel (12) is positioned at cored screw (6), and machine barrel (5), cored screw (6) and mandrel (12) are all coaxial; The interior circular hole and cylindrical of described cored screw (6) are respectively equipped with inner spiral groove (602) and external spiral groove (601), cored screw (6) is provided with radial material road (604); Described first hopper (9) and the second hopper (10) are located on machine barrel (5) respectively, first hopper (9) by one end UNICOM of the external spiral groove (601) of machine barrel (5) and cored screw (6), the other end of external spiral groove (601) and the discharging opening UNICOM of extruder head (8); Described second hopper (10) is by radial direction material road (604) UNICOM of machine barrel (5) with cored screw (6), the radial direction material road (604) of described cored screw (6) and one end UNICOM of inner spiral groove (602), the other end of inner spiral groove (602) and the discharging opening UNICOM of extruder head (8).
2. hollow singe screw co-extrusion machine according to claim 1, it is characterized in that also being provided with cannelure (603) on the cylindrical of described cored screw (6), described cannelure (603) is positioned between the discharging opening of the second hopper (10) and the radial direction material road (604) of cored screw (6), and the discharging opening of the second hopper (10) is expected road (604) UNICOM with radial by cannelure (603).
3. hollow singe screw co-extrusion machine according to claim 1, it is characterized in that the external spiral groove (601) of described cored screw (6) is identical with the rotation direction of inner spiral groove (602), helicla flute rotation direction is both left-handed, again dextrorotation.
4. hollow singe screw co-extrusion machine according to claim 1, is characterized in that described mandrel (12) can be fixing, also can rotate.
5. hollow singe screw co-extrusion machine according to claim 1, is characterized in that described cored screw (6) can be single-head screw, also can be multiple-threaded screw.
6. hollow singe screw co-extrusion machine according to claim 1, it is characterized in that helicla flute and the spiral shell rib of described external spiral groove (601) and inner spiral groove (602) can be designed to difform section molded line, also can be designed to pin, barrier head, annular, separation shape, flute profile, waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703236.6A CN105269789A (en) | 2015-10-27 | 2015-10-27 | Hollow single-screw compound co-extrusion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703236.6A CN105269789A (en) | 2015-10-27 | 2015-10-27 | Hollow single-screw compound co-extrusion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105269789A true CN105269789A (en) | 2016-01-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510703236.6A Pending CN105269789A (en) | 2015-10-27 | 2015-10-27 | Hollow single-screw compound co-extrusion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105269789A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751475A (en) * | 2016-04-25 | 2016-07-13 | 顺德职业技术学院 | Hollow single screw extruder with vibrating mandrel |
| CN105904699A (en) * | 2016-04-25 | 2016-08-31 | 顺德职业技术学院 | Outer thread groove type screw extruding device with vibration spindle |
| CN106003658A (en) * | 2016-07-11 | 2016-10-12 | 盐城工学院 | Short-screw double material extruding machine |
| CN106042324A (en) * | 2016-07-11 | 2016-10-26 | 盐城工学院 | Contraposition spiral short screw extruder |
| CN106182686A (en) * | 2016-08-08 | 2016-12-07 | 安庆市汇东机械有限责任公司 | Hollow single screw rod composite co-extruding extruder |
| CN110481011A (en) * | 2019-09-17 | 2019-11-22 | 大理大学 | A kind of printing head and the 3D printer using printing head |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1059595A (en) * | 1962-10-11 | 1967-02-22 | Dynamit Nobel Ag | Improvements in or relating to worm extruders |
| US4637790A (en) * | 1985-06-12 | 1987-01-20 | Scientific Process & Research, Inc. | Multiple-stage plasticating extruders |
| CN1939699A (en) * | 2005-09-29 | 2007-04-04 | 北京化工大学 | Composite screw co-extruder |
| CN104772888A (en) * | 2015-04-02 | 2015-07-15 | 沈阳化工大学 | Extruder screw rod with inner and outer threads |
| CN205219680U (en) * | 2015-10-27 | 2016-05-11 | 顺德职业技术学院 | Compound coextrusion machine of hollow single screw rod |
-
2015
- 2015-10-27 CN CN201510703236.6A patent/CN105269789A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1059595A (en) * | 1962-10-11 | 1967-02-22 | Dynamit Nobel Ag | Improvements in or relating to worm extruders |
| US4637790A (en) * | 1985-06-12 | 1987-01-20 | Scientific Process & Research, Inc. | Multiple-stage plasticating extruders |
| CN1939699A (en) * | 2005-09-29 | 2007-04-04 | 北京化工大学 | Composite screw co-extruder |
| CN104772888A (en) * | 2015-04-02 | 2015-07-15 | 沈阳化工大学 | Extruder screw rod with inner and outer threads |
| CN205219680U (en) * | 2015-10-27 | 2016-05-11 | 顺德职业技术学院 | Compound coextrusion machine of hollow single screw rod |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751475A (en) * | 2016-04-25 | 2016-07-13 | 顺德职业技术学院 | Hollow single screw extruder with vibrating mandrel |
| CN105904699A (en) * | 2016-04-25 | 2016-08-31 | 顺德职业技术学院 | Outer thread groove type screw extruding device with vibration spindle |
| CN106003658A (en) * | 2016-07-11 | 2016-10-12 | 盐城工学院 | Short-screw double material extruding machine |
| CN106042324A (en) * | 2016-07-11 | 2016-10-26 | 盐城工学院 | Contraposition spiral short screw extruder |
| CN106003658B (en) * | 2016-07-11 | 2018-07-03 | 盐城工学院 | A kind of short screw double-material extruder |
| CN106042324B (en) * | 2016-07-11 | 2019-02-26 | 盐城工学院 | A kind of opposed spiral short screw extruder |
| CN106182686A (en) * | 2016-08-08 | 2016-12-07 | 安庆市汇东机械有限责任公司 | Hollow single screw rod composite co-extruding extruder |
| CN110481011A (en) * | 2019-09-17 | 2019-11-22 | 大理大学 | A kind of printing head and the 3D printer using printing head |
| CN110481011B (en) * | 2019-09-17 | 2021-06-22 | 大理大学 | Print shower nozzle and use 3D printer of printing shower nozzle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160127 |