CN215050877U - Double-screw extrusion device for polyester chips - Google Patents
Double-screw extrusion device for polyester chips Download PDFInfo
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- CN215050877U CN215050877U CN202121647219.2U CN202121647219U CN215050877U CN 215050877 U CN215050877 U CN 215050877U CN 202121647219 U CN202121647219 U CN 202121647219U CN 215050877 U CN215050877 U CN 215050877U
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Abstract
The utility model discloses a dacron is twin-screw extrusion device for section in extruder field, the on-line screen storage device comprises a base, transversely be provided with the rectangle casing on the base, rotationally be provided with two screws that are parallel to each other in the casing, the screw rod periphery is provided with helical blade, helical blade's surface is covered with and is provided with a plurality of extrusion archs, corresponds the setting about two screws, the casing right side is provided with the feed inlet, with the feed inlet of casing is provided with the feed bin correspondingly, and the bottom of feed bin is provided with the support that supports subaerial, and the feed bin side is provided with the charge-in pipeline that is connected with the feed inlet, with the right side of casing is provided with rotary driving mechanism correspondingly, casing upper portion is connected with evacuation system, and the left side of casing is provided with the discharge gate. The utility model discloses can extrude dacron section raw materials melting through the twin-screw simultaneously, improve the drying effect to the raw materials, realize limit melting while dry, reduce the processing cost of the indirect spinning of dacron.
Description
Technical Field
The utility model belongs to the extruder field, in particular to dacron is twin-screw extrusion device for section.
Background
In the prior art, polyester fibers are divided into filament yarns and short fiber yarns, wherein the polyester filament yarns are yarns with the length of more than kilometer, and the filament yarns are wound into clusters; and the polyester staple fiber is staple fiber of several centimeters to ten and several centimeters. The production raw material of the polyester staple fiber is mainly polyester chips, the process of polyester indirect spinning is mainly to carry out spinning production by drying the raw material by a rotary drum and then carrying out melt extrusion by a single screw, and the defects are that: the drum equipment has certain requirements on manpower, steam and electric power, so that the cost is increased; the drying time is long, the operation is relatively complex, the rotary drum needs to be cleaned when the materials are fed, discharged and the raw materials are replaced, and the time and the labor are consumed; the drum process occupies a large area of a production site, and the occupied area is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a polyester is twin-screw extrusion device for section can extrude the melting of polyester section raw materials through the twin-screw simultaneously, improves the drying effect to the raw materials, realizes the dry production procedure in limit melting limit, reduces the processing cost of the indirect spinning of dacron.
The purpose of the utility model is realized like this: the utility model provides a dacron is twin-screw extrusion device for section, includes the base, transversely be provided with the rectangle casing on the base, rotationally be provided with two screws that are parallel to each other in the casing, the screw rod periphery is provided with helical blade, helical blade's surface is covered with and is provided with a plurality of extrusion archs, and the extrusion arch is the rhombus, corresponds the setting about two screws, the casing right side is provided with the feed inlet, with the feed inlet of casing is provided with the feed bin correspondingly, and the bottom of feed bin is provided with the support that supports subaerial, and the feed bin side is provided with the charge-in pipeline that is connected with the feed inlet, with the right side of casing is provided with rotary driving mechanism correspondingly, casing upper portion is connected with vacuum pumping system, and the left side of casing is provided with the discharge gate.
The utility model discloses the during operation, the inside dacron section raw materials of feed bin passes through the feed inlet that charging pipeline got into the casing, then two screws rotate simultaneously, and the helical blade of two screws promotes the raw materials to the discharge gate and extrudes, and helical blade on two screws mutually supports and produces the shearing force to the raw materials, and the extrusion arch on helical blade surface further improves the shearing extrusion effect to the raw materials for the raw materials is heated the melting, simultaneously with the dry evaporation of moisture. Compared with the prior art, the beneficial effects of the utility model reside in that: the polyester chip raw materials can be simultaneously melted and extruded through the double screws, the drying effect of the raw materials is improved, the production flow of melting and drying is realized, and the water content of the melt meets the spinning requirement; the method has the advantages of optimally omitting a drying process of a spinning drum, saving manpower, electric power and steam consumption, saving occupied space of a production workshop, shortening production flow, reducing production operation difficulty and reducing processing cost of indirect terylene spinning.
As a further improvement, the screw rod includes first section of extruding, second in proper order and extrudes the section and the third section of extruding, and the helical blade pitch of first section of extruding is greater than the helical blade pitch that the section was extruded to the second, and the helical blade pitch that the section was extruded to the second is greater than the helical blade pitch that the section was extruded to the third, and first section of extruding corresponds the feed inlet setting, and the third section of extruding corresponds the discharge gate setting. The screw pitch of the three extrusion section helical blades on the screw is progressively reduced from the feed inlet to the discharge outlet, so that the shearing and extruding force of the raw materials is gradually increased, the melting is more sufficient, and the drying effect on the raw materials is improved.
As a further improvement of the utility model, a weighing sensor is arranged inside the stock bin, a conveying mechanism for conveying the polyester slices is correspondingly arranged above the stock bin, an inclined blanking pipeline is correspondingly arranged below the conveying mechanism, and an outlet of the blanking pipeline is communicated with the inside of the stock bin; the charging pipeline is obliquely arranged, and the supporting frame comprises two rows of supporting rods which are respectively arranged at the left side and the right side of the shell. Conveying mechanism carries the dacron section raw materials, and in the feed bin was carried with the raw materials to the unloading pipeline, weighing sensor weighed the raw materials of certain weight after, inside adding the casing with the raw materials through the charge tube.
As a further improvement, the rotary driving mechanism comprises a driving motor, the output end of the driving motor is in transmission connection with the input end of the speed reducer, two output ends of the speed reducer are in transmission connection with two screw rods respectively, and a cooling system is correspondingly arranged on the speed reducer. After the driving motor is decelerated by the speed reducer, the two screw rods are driven to rotate simultaneously, and the cooling system cools the speed reducer.
As a further improvement, casing upper portion is provided with three gas vent, and a connecting pipe is connected respectively to three gas vent, and three connecting pipes all are linked together with the main pipeline side, and the main pipeline is connected with vacuum pumping system through vacuum tube. The vacuumizing system vacuumizes the shell through the vacuumizing pipe, the main pipeline and the three connecting pipes.
As a further improvement of the utility model, the left side of the shell is connected with a melt pump. The fuse-element pump can be to the inside steady voltage that carries on of casing, avoids fuse-element pressure to hang down excessively.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the screw.
FIG. 3 is a schematic view of the structure of two parallel screws.
Fig. 4 is a schematic structural diagram of a storage bin.
The device comprises a base 1, a shell 2, a screw rod 3, a first extrusion section 301, a second extrusion section 302, a third extrusion section 303, a helical blade 4, an extrusion bulge 5, a feed inlet 6, a feed bin 7, a support rod 8, a feed pipeline 9, a discharge port 10, a conveying mechanism 11, a discharge pipeline 12, a driving motor 13, a speed reducer 14, a cooling system 15, a connecting pipe 16, a main pipeline 17, a vacuum pumping pipe 18, a vacuum pumping system 19, a melt pump 20 and an exhaust port 21.
Detailed Description
As shown in figures 1-4, the twin-screw extruding device for polyester chips comprises a base 1, a rectangular shell 2 is transversely arranged on the base 1, two parallel screws 3 are rotatably arranged in the shell 2, helical blades 4 are arranged on the peripheries of the screws 3, a plurality of extruding protrusions 5 are fully distributed on the surface of each helical blade 4, each extruding protrusion 5 is in a diamond shape, the two screws 3 are correspondingly arranged on the left and right sides, a feed inlet 6 is arranged on the right side of the shell 2, a storage bin 7 is arranged corresponding to the feed inlet 6 of the shell 2, a bracket supported on the ground is arranged at the bottom of the storage bin 7, a feeding pipeline 9 connected with the feed inlet 6 is arranged on the side surface of the storage bin 7, a weighing sensor is arranged in the storage bin 7, a conveying mechanism 11 for conveying the polyester chips is correspondingly arranged above the storage bin 7, an inclined blanking pipeline 12 is correspondingly arranged below the conveying mechanism 11, the outlet of the blanking pipeline 12 is communicated with the interior of the stock bin 7; the feeding pipeline 9 is obliquely arranged, and the support frame comprises two rows of support rods 8 which are respectively arranged at the left side and the right side of the shell 2; a rotary driving mechanism is arranged corresponding to the right side of the shell 2, the rotary driving mechanism comprises a driving motor 13, the output end of the driving motor 13 is in transmission connection with the input end of a speed reducer 14, two output ends of the speed reducer 14 are in transmission connection with the two screw rods 3 respectively, and a cooling system 15 is arranged corresponding to the speed reducer 14; the upper part of the shell 2 is connected with a vacuum-pumping system 19, and the left side of the shell 2 is provided with a discharge hole 10. To avoid too low a melt pressure, a melt pump 20 is connected to the left side of the housing 2. The melt pump 20 can stabilize the pressure inside the housing 2.
The screw rod 3 comprises a first extrusion section 301, a second extrusion section 302 and a third extrusion section 303 in sequence, wherein the pitch of the spiral blade 4 of the first extrusion section 301 is larger than that of the spiral blade 4 of the second extrusion section 302, the pitch of the spiral blade 4 of the second extrusion section 302 is larger than that of the spiral blade 4 of the third extrusion section 303, the first extrusion section 301 corresponds to the feeding hole 6, and the third extrusion section 303 corresponds to the discharging hole 10. The screw pitch of the three extrusion section helical blades 4 on the screw rod 3 is gradually decreased from the feed inlet 6 to the discharge outlet 10, so that the shearing and extruding force of the raw material is gradually increased, the melting is more sufficient, and the drying effect of the raw material is improved.
The upper part of the shell 2 is provided with three exhaust ports 21, the three exhaust ports 21 are respectively connected with a connecting pipe 16, the three connecting pipes 16 are all communicated with the side surface of a main pipeline 17, and the main pipeline 17 is connected with a vacuum-pumping system 19 through a vacuum-pumping pipe 18. The evacuation system 19 evacuates the housing 2 via the evacuation tube 18, the main conduit 17 and the three connecting tubes 16.
The utility model discloses the during operation, conveying mechanism 11 carries the dacron section raw materials, unloading pipeline 12 carries the raw materials in feed bin 7, weighing sensor calls behind the raw materials of basis weight, add 2 insides with the raw materials through charging pipeline 9, driving motor 13 is through the reduction gear 14 back of slowing down, drive two screw rods 3 and rotate simultaneously, cooling system 15 cools off reduction gear 14, helical blade 4 of two screw rods 3 promotes the raw materials to discharge gate 10 and extrudes, helical blade 4 on two screw rods 3 mutually supports and produces the shearing force to the raw materials, the protruding 5 further improvement of extrusion on helical blade 4 surface is to the shearing extrusion effect of raw materials, make the raw materials by the heating melting, simultaneously with moisture drying evaporation. The utility model has the advantages that: the polyester chip raw materials can be simultaneously melted and extruded through the double screw 3, the drying effect of the raw materials is improved, the production flow of melting and drying is realized, and the water content of the melt meets the spinning requirement; the method has the advantages of optimally omitting a drying process of a spinning drum, saving manpower, electric power and steam consumption, saving occupied space of a production workshop, shortening production flow, reducing production operation difficulty and reducing processing cost of indirect terylene spinning.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides a dacron is twin-screw extrusion device for section, includes the base, its characterized in that, transversely be provided with rectangular shell on the base, rotationally be provided with two screws that are parallel to each other in the casing, the screw rod periphery is provided with helical blade, helical blade's surface is covered with and is provided with a plurality of extrusion archs, and the extrusion arch is the rhombus, and two screws are controlled and are corresponded the setting, the casing right side is provided with the feed inlet, with the feed inlet of casing is provided with the feed bin correspondingly, and the bottom of feed bin is provided with the support that supports subaerial, and the feed bin side is provided with the charge pipe who is connected with the feed inlet, with the right side of casing is provided with rotary driving mechanism correspondingly, casing upper portion is connected with vacuum pumping system, and the left side of casing is provided with the discharge gate.
2. The twin-screw extrusion device for polyester chips as claimed in claim 1, wherein the screw comprises a first extrusion section, a second extrusion section and a third extrusion section in sequence, the pitch of the helical blade of the first extrusion section is greater than that of the helical blade of the second extrusion section, the pitch of the helical blade of the second extrusion section is greater than that of the helical blade of the third extrusion section, the first extrusion section is arranged corresponding to the feed port, and the third extrusion section is arranged corresponding to the discharge port.
3. The twin-screw extrusion device for the polyester chips as claimed in claim 1 or 2, wherein a weighing sensor is arranged inside the storage bin, a conveying mechanism for conveying the polyester chips is correspondingly arranged above the storage bin, an inclined blanking pipeline is correspondingly arranged below the conveying mechanism, and an outlet of the blanking pipeline is communicated with the inside of the storage bin; the charging pipeline is obliquely arranged, and the supporting frame comprises two rows of supporting rods which are respectively arranged at the left side and the right side of the shell.
4. The twin-screw extrusion device for polyester chips as claimed in claim 1 or 2, wherein the rotary driving mechanism comprises a driving motor, the output end of the driving motor is in transmission connection with the input end of a speed reducer, the two output ends of the speed reducer are in transmission connection with the two screws respectively, and a cooling system is arranged corresponding to the speed reducer.
5. The twin-screw extrusion device for polyester chips as claimed in claim 1 or 2, wherein the upper part of the housing is provided with three exhaust ports, the three exhaust ports are respectively connected with a connecting pipe, the three connecting pipes are all communicated with the side of a main pipeline, and the main pipeline is connected with a vacuum pumping system through a vacuum pumping pipe.
6. The twin-screw extrusion device for polyester chips as claimed in claim 1 or 2, wherein a melt pump is connected to the left side of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121647219.2U CN215050877U (en) | 2021-07-20 | 2021-07-20 | Double-screw extrusion device for polyester chips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121647219.2U CN215050877U (en) | 2021-07-20 | 2021-07-20 | Double-screw extrusion device for polyester chips |
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| Publication Number | Publication Date |
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| CN215050877U true CN215050877U (en) | 2021-12-07 |
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| CN202121647219.2U Active CN215050877U (en) | 2021-07-20 | 2021-07-20 | Double-screw extrusion device for polyester chips |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872246A (en) * | 2022-04-19 | 2022-08-09 | 海南精翊机电设备有限公司 | Novel cold and dry air cooling device for rubber trunk line processing |
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2021
- 2021-07-20 CN CN202121647219.2U patent/CN215050877U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872246A (en) * | 2022-04-19 | 2022-08-09 | 海南精翊机电设备有限公司 | Novel cold and dry air cooling device for rubber trunk line processing |
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