CN104494102A - Twin-screw extrusion device for pitch carbon fiber protofilament spinning device - Google Patents
Twin-screw extrusion device for pitch carbon fiber protofilament spinning device Download PDFInfo
- Publication number
- CN104494102A CN104494102A CN201410791684.1A CN201410791684A CN104494102A CN 104494102 A CN104494102 A CN 104494102A CN 201410791684 A CN201410791684 A CN 201410791684A CN 104494102 A CN104494102 A CN 104494102A
- Authority
- CN
- China
- Prior art keywords
- screw
- section
- twin
- carbon fiber
- speed reducer
- 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
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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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
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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
- B29C48/402—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 the screws having intermeshing parts
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
-
- 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
- B29C48/92—Measuring, controlling or regulating
Abstract
The invention relates to a twin-screw extrusion device for a pitch carbon fiber protofilament spinning device. The twin-screw extrusion device comprises a stander, an air blower temperature control opening and a cycloidal pin gear speed reducer, wherein a speed reducer is arranged on the stander, the output end of the speed reducer is connected with a gear box through a coupler, one ends of double screws are connected with the gear box, the other ends of the double screws are connected with a mould head, the peripheries of the double screws are sleeved by screw barrels, and the screw barrels are provided with heating blocks and cooling water jackets; the output end of the cycloidal pin gear speed reducer is connected with a feed screw, the tail end of the feed screw extends into a feed pipe, the feed pipe is connected with the screw barrels, and the screw barrels are connected with vacuum orifices. The twin-screw extrusion device disclosed by the invention is simple in structure and convenient to use and can effectively ensure the uniformity of the flow quantity of a fusant by adopting the internal-geared reverse double screws, effectively realize the control of temperature inside the fusant by utilizing the air blower temperature control opening and the heating block and ensure the uniformity of the fusant temperature.
Description
Technical field
The present invention relates to spinning equipment, particularly relate to a kind of double screw extruder for asphalt-based carbon fiber precursor device for spinning.
Background technology
At present, single screw extrusion machine melt extrusion is all adopted in existing spinning equipment, the feature that noise is low although single screw extrusion machine has, smooth running, bearing capacity are large, the life-span is long, but existing singe screw structure cannot take into account the uniformity of the flow of pitch, greatly reduces production efficiency thus.
Summary of the invention
The applicant, for above-mentioned existing issue, is studied improvement, provides a kind of double screw extruder for asphalt-based carbon fiber precursor device for spinning, utilizes the present invention effectively can ensure the uniformity of melt flow and temperature, substantially increases production efficiency.
The technical solution adopted in the present invention is as follows:
A kind of double screw extruder for asphalt-based carbon fiber precursor device for spinning, comprise frame and blower fan temperature control mouth, reductor is arranged in described frame, be connected with gear-box by shaft coupling at the output of described reductor, one end of twin-screw is connected with described gear-box, the other end of described twin-screw connects die head, is also socketed barrel, described barrel is installed heat block and cooling jacket in the periphery of described twin-screw; Also comprise cycloidal planetary gear speed reducer, the output of described cycloidal planetary gear speed reducer is connected with feed screw, and the tail end of described feed screw stretches into feed pipe, and described feed pipe is connected with barrel, and described barrel also connects vacuum orifice.
Its further technical scheme is:
Described twin-screw by two engage each other screw rod form, the stem along described screw rod is disposed in order the first metering section L1, the first compression section L2, the first transportation section L3, vacuum zone L4, anti-spiral shell rib section L5, the second metering section L6, the second compression section L7, the second transportation section L8, machine barrel seal section L9, power linkage section L0;
Described first metering section L1 is identical with the length of the second metering section L6, and described first compression section L2 is identical with the length of the second compression section L7;
The length of described first transportation section L3 is less than the length of the second transportation section L8, and the flight pitch of described first transportation section L3 is less than the flight pitch of the second transportation section L8.
Beneficial effect of the present invention is as follows:
Structure of the present invention is simple, easy to use, adopt internal messing incongruous double screw effectively can ensure the uniformity of melt flow, utilize the control that blower fan temperature control mouth and heat block can effectively realize temperature in melt, ensure the uniformity of melt temperature, the present invention has the high advantage of automaticity, substantially increases production efficiency.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is the structural representation of twin-screw in the present invention.
Wherein: 101, frame; 102, reductor; 103, shaft coupling; 104, gear-box; 105, cycloidal planetary gear speed reducer; 106, feed screw; 107, feed pipe; 108, cooling jacket; 109, twin-screw; 110, vacuum orifice; 111, heat block; 112, die head; 113, blower fan temperature control mouth; 114, barrel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, a kind of double screw extruder for asphalt-based carbon fiber precursor device for spinning of the present invention comprises frame 101 and blower fan temperature control mouth 113, reductor 102 is arranged in frame 101, be connected with gear-box 104 by shaft coupling 103 at the output of reductor 102, one end of twin-screw 109 is connected with gear-box 104, the other end of twin-screw 109 connects die head 112, is also socketed barrel 114, barrel 114 is installed heat block 111 and cooling jacket 108 in the periphery of twin-screw 109; Also comprise cycloidal planetary gear speed reducer 105, the output of cycloidal planetary gear speed reducer 105 is connected with feed screw 106, and the tail end of feed screw 106 stretches into feed pipe 107, and feed pipe 107 is connected with barrel 114, and barrel 114 also connects vacuum orifice 110.
Twin-screw 109 by two engage each other screw rod form, the stem along screw rod is disposed in order the first metering section L1, the first compression section L2, the first transportation section L3, vacuum zone L4, anti-spiral shell rib section L5, the second metering section L6, the second compression section L7, the second transportation section L8, machine barrel seal section L9, power linkage section L0.First metering section L1 is identical with the length of the second metering section L6, and the first compression section L2 is identical with the length of the second compression section L7.The length of the first transportation section L3 is less than the length of the second transportation section L8, and the flight pitch of the first transportation section L3 is less than the flight pitch of the second transportation section L8.Above-mentioned power linkage section L0 makes it drive twin-screw 109 to move for connecting power source; second transportation section L8 is used for the conveying of particle or powder melts; the disconnected L3 of first conveying is used for the conveying of fluid, and vacuum zone L4 is corresponding with vacuum port 110 and vacuumize melt, and anti-spiral shell rib section L5 is for choked flow.
Specific works process of the present invention is as follows:
As Fig. 1, shown in Fig. 2, input polymer melt contacts with feed screw 106, feed screw 106 drives rotation by cycloidal planetary gear speed reducer 105, and polymer melt is inputed in feed pipe 107, cylindrical shell falls in twin-screw 109 by gravity, owing to being disposed in order the first metering section L1 on screw rod, first compression section L2, first transportation section L3, vacuum zone L4, anti-spiral shell rib section L5, second metering section L6, second compression section L7, second transportation section L8, utilize twin-screw that the melt of sequential advancement is collected in course of conveying, and there is complicated mixed flow, effectively can strengthen mixing of materials, utilize vacuum orifice 110 pairs of melts to vacuumize simultaneously, prevent melt from stirring extrusion process, producing bubble or gas-entrained, thus improve the quality of melt and spinning, as Fig. 1, shown in Fig. 2, melt Conveying passes through measuring pump to twin-screw 109 tail end, booster pump supercharging also carries out accurate Calculation to spinning pack.
More than describing is explanation of the invention, and be not the restriction to invention, limited range of the present invention is see claim, and when without prejudice to basic structure of the present invention, the present invention can do any type of amendment.
Claims (4)
1. the double screw extruder for asphalt-based carbon fiber precursor device for spinning, it is characterized in that: comprise frame (101) and blower fan temperature control mouth (113), reductor (102) is arranged in described frame (101), be connected with gear-box (104) by shaft coupling (103) at the output of described reductor (102), one end of twin-screw (109) is connected with described gear-box (104), the other end of described twin-screw (109) connects die head (112), barrel (114) is also socketed in the periphery of described twin-screw (109), described barrel (114) is installed heat block (111) and cooling jacket (108), also comprise cycloidal planetary gear speed reducer (105), the output of described cycloidal planetary gear speed reducer (105) is connected with feed screw (106), the tail end of described feed screw (106) stretches into feed pipe (107), described feed pipe (107) is connected with barrel (114), and described barrel (114) also connects vacuum orifice (110).
2. a kind of double screw extruder for asphalt-based carbon fiber precursor device for spinning as claimed in claim 1, it is characterized in that: described twin-screw (109) by two engage each other screw rod form, the stem along described screw rod is disposed in order the first metering section L1, the first compression section L2, the first transportation section L3, vacuum zone L4, anti-spiral shell rib section L5, the second metering section L6, the second compression section L7, the second transportation section L8, machine barrel seal section L9, power linkage section L0.
3. a kind of double screw extruder for asphalt-based carbon fiber precursor device for spinning as claimed in claim 1, it is characterized in that: described first metering section L1 is identical with the length of the second metering section L6, described first compression section L2 is identical with the length of the second compression section L7.
4. a kind of double screw extruder for asphalt-based carbon fiber precursor device for spinning as claimed in claim 1, it is characterized in that: the length of described first transportation section L3 is less than the length of the second transportation section L8, the flight pitch of described first transportation section L3 is less than the flight pitch of the second transportation section L8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410791684.1A CN104494102A (en) | 2014-12-19 | 2014-12-19 | Twin-screw extrusion device for pitch carbon fiber protofilament spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410791684.1A CN104494102A (en) | 2014-12-19 | 2014-12-19 | Twin-screw extrusion device for pitch carbon fiber protofilament spinning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104494102A true CN104494102A (en) | 2015-04-08 |
Family
ID=52935599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410791684.1A Pending CN104494102A (en) | 2014-12-19 | 2014-12-19 | Twin-screw extrusion device for pitch carbon fiber protofilament spinning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104494102A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2141761Y (en) * | 1992-11-27 | 1993-09-08 | 王泽新 | Double-screw polyester melt extruder |
| CN203580086U (en) * | 2013-10-17 | 2014-05-07 | 浙江华清新材料有限公司 | Extruder |
| CN204398292U (en) * | 2014-12-19 | 2015-06-17 | 无锡兰华纺织机械有限公司 | A kind of double screw extruder for asphalt-based carbon fiber precursor device for spinning |
-
2014
- 2014-12-19 CN CN201410791684.1A patent/CN104494102A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2141761Y (en) * | 1992-11-27 | 1993-09-08 | 王泽新 | Double-screw polyester melt extruder |
| CN203580086U (en) * | 2013-10-17 | 2014-05-07 | 浙江华清新材料有限公司 | Extruder |
| CN204398292U (en) * | 2014-12-19 | 2015-06-17 | 无锡兰华纺织机械有限公司 | A kind of double screw extruder for asphalt-based carbon fiber precursor device for spinning |
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Application publication date: 20150408 |