CN212170963U - Polycarbonate extruding and granulating device - Google Patents
Polycarbonate extruding and granulating device Download PDFInfo
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- CN212170963U CN212170963U CN202020539642.XU CN202020539642U CN212170963U CN 212170963 U CN212170963 U CN 212170963U CN 202020539642 U CN202020539642 U CN 202020539642U CN 212170963 U CN212170963 U CN 212170963U
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Abstract
The utility model discloses a polycarbonate extrusion granulating device, which comprises an extruder (1), a material guide device (2), a cooling water tank (3) and a granulator (4) which are sequentially arranged along the flow line direction, wherein the extruder (1) is provided with a die head (12), and a die hole (121) for extruding polycarbonate branches is arranged on the die head (12); the material guide device (2) is used for conveying the polycarbonate branches extruded by the extruder (1); the cooling water tank (3) is used for cooling the polycarbonate branches output by the material guide device (2); the granulator (4) is used for cutting the polycarbonate branches output by the cooling water tank (3) into polycarbonate particles; the mould also comprises a steam spraying device (5), and the steam spraying device (5) can spray out the organic steam covering the mould holes (121). Compared with the prior art, the utility model discloses a grain device is extruded to polycarbonate can produce the polycarbonate granule of high quality.
Description
Technical Field
The utility model discloses polycarbonate production technical field specifically indicates a grain device is extruded to polycarbonate.
Background
The polycarbonate has the excellent characteristics of transparency, excellent impact strength, heat resistance, cold resistance, dimensional stability, electric insulation and the like, and has great application value and application potential in the fields of industry, agriculture and the like. In actual production, after the reaction to obtain polycarbonate, it is necessary to perform a pelletizing operation on the polycarbonate before a usable polycarbonate product is formed.
The above operation is generally realized by an extrusion and granulation device, for example, a utility model patent "extrusion and granulation machine" with patent application number CN201720369057.8 (publication number CN206812271U) discloses an extrusion and granulation machine, which comprises a frame, a hopper, an extruder and a granulation device, wherein the hopper is arranged at the feed inlet of the extruder, and a plurality of discharge through holes are arranged on the die head of the extruder; the extruding granulator also comprises a cooling water tank, a water absorption sponge block and a drying device, and the extruder, the cooling water tank, the water absorption sponge block, the drying device and the granulating device are sequentially arranged on the rack from front to back; the air drying device comprises a water collecting tank, a guide roller, an air pipe and a blower, wherein the guide roller is rotatably arranged on the water collecting tank, the air inlet end of the air pipe is communicated with the air outlet of the blower, and the air outlet end of the air pipe is arranged above the water collecting tank and faces the water collecting tank.
However, the existing polycarbonate extrusion granulating device has the following problems: after the polycarbonate is extruded from the die head, part of the polycarbonate is in contact with air to be oxidized, so that the polycarbonate is discolored and deteriorated, and the broken filaments can fall into a diversion trench from the position of the die head and be conveyed to a downstream working section together with normal polycarbonate, and finally the quality of polycarbonate particles is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art's current situation, provide a polycarbonate that can produce the polycarbonate granule of high quality and extrude eager grain device.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a polycarbonate extruding and granulating device comprises a plurality of units which are sequentially arranged along the direction of a production line
The extruder is provided with a feeding bin for polycarbonate raw materials to enter and a die head for extruding polycarbonate branches, and the die head is provided with a die hole for extruding the polycarbonate branches;
the material guide device is used for conveying the polycarbonate branches extruded by the extruder;
the cooling water tank is used for cooling the polycarbonate branches output by the material guide device; and
the granulator is used for cutting the polycarbonate branches output by the cooling water tank into polycarbonate particles;
the method is characterized in that: also comprises
And the steam spraying device can spray the organic steam covering the die hole and is used for isolating the die head from air.
In order to improve the extrusion efficiency, the die holes are multiple and are arranged in rows on the die head, the die holes in two adjacent rows are arranged in a staggered mode, and the die holes in each row are arranged at intervals along the length direction of the die head.
In order to save the spraying amount of the organic steam while ensuring that the sprayed organic steam covers all the die holes, the steam spraying device is provided with a nozzle for discharging the organic steam, and the extending direction of the nozzle is perpendicular to the extending direction of the die holes.
In order to ensure the uniformity of spraying, the number of the nozzles is multiple and is arranged at intervals along the length direction of the die head.
Preferably, the number of the die holes in the single row is recorded as n, the number of the nozzles is recorded as m, and the relationship between m and n satisfies the following conditions: m is n + 1.
In order to avoid the organic steam from escaping into the atmosphere to pollute the environment, the die head further comprises an air suction device for absorbing the organic steam, and the steam spraying device and the air suction device are respectively positioned on two sides of the die head and are oppositely arranged.
In order to fully extract the organic vapor, the air suction device is an induced draft fan, and the inlet of the induced draft fan is provided with a horn-shaped opening.
In order to further avoid the problem that the quality of finally prepared polycarbonate particles is influenced by the fact that the polycarbonate branches fall off and enter the downstream, the material guide device comprises
A frame;
the guide chute is arranged on the frame; and
the power output end of the driving mechanism is in transmission connection with the material guide groove, so that the material guide groove can move relative to the rack and has at least two states:
in the first state, the feeding end of the guide chute is positioned right below the die hole;
and in a second state, the feeding end of the guide chute deviates from the position right below the die hole.
In order to facilitate the relative movement of the guide chute and the rack, a guide rail which is in guide fit with the guide chute is arranged at the top of the rack.
Compared with the prior art, the utility model has the advantages of: when the polycarbonate extruding and granulating device works, the steam spraying device sprays organic steam to uniformly cover the die holes, so that the die head is prevented from contacting air, the risk of material oxidation is reduced, and the quality of finally prepared polycarbonate particles is ensured.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of a polycarbonate extrusion and pelletizing device according to the present invention in a first state;
FIG. 2 is a distribution diagram of the die holes of the die head and the nozzles of the steam spraying device in the embodiment of the polycarbonate extrusion granulating device of the present invention;
fig. 3 is a schematic perspective view of an embodiment of a polycarbonate extrusion and dicing apparatus according to the present invention in a second state.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Fig. 1 to 3 show a preferred embodiment of the polycarbonate extrusion cutting apparatus according to the present invention. The polycarbonate extruding and pelletizing device comprises an extruder 1, a material guide device 2, a cooling water tank 3, a pelletizer 4, a steam spraying device 5 and an air suction device 6 which are sequentially arranged along the direction of a production line.
The extruder 1 is provided with a feeding bin 11 for polycarbonate raw materials to enter and a die head 12 for extruding polycarbonate branches, and the die head 12 is provided with a die hole 121 for extruding the polycarbonate branches. As shown in fig. 2, the die holes 121 are plural in number and arranged in rows on the die head 12, and the die holes 121 of two adjacent rows are arranged alternately, and the die holes 121 of each row are arranged at intervals along the length direction of the die head 12.
The material guide device 2 is used for conveying the polycarbonate branches extruded by the extruder 1. In this embodiment, the material guiding device 2 includes a frame 21, a material guiding chute 22 mounted on the frame 21, and a driving mechanism (not shown). Specifically, a guide rail 211 which is in guiding fit with the material guide chute 22 is installed at the top of the frame 21; the guide chute 22 can convey the polycarbonate branches extruded by the extruder 1 to the cooling water tank 3 and the granulator 4 in sequence; the driving device is a cylinder, and the power output end of the driving mechanism is in transmission connection with the material guiding groove 22, so that the material guiding groove 22 can move relative to the frame 21 and has at least two states: in the first state, as shown in fig. 1, the feeding end of the material guide chute 22 is located right below the die hole 121; in the second state, as shown in fig. 3, the feeding end of the material guide chute 22 is deviated from a position right below the die hole 121.
The cooling water tank 3 is used for cooling the polycarbonate branches output by the material guide device 2.
The granulator 4 is used for cutting the polycarbonate branches output by the cooling water tank 3 into polycarbonate particles;
the steam spraying device 5 can spray the organic steam covering the die holes 121 for isolating the die head 12 from the air. As shown in fig. 2, the steam shower device 5 has a nozzle 51 for discharging the organic steam and a valve 52 for controlling the flow rate of the steam. The number of the nozzles 51 is plural and arranged at intervals along the length direction of the die 12, and the extending direction of the nozzles 51 is perpendicular to the extending direction of the die holes 121. The number of the die holes 121 in the single row is denoted by n, the number of the nozzles 51 is denoted by m, and the relationship between m and n satisfies: m is n + 1.
In the embodiment, the spraying steam is low-pressure saturated steam, the steam pressure is preferably 10-100 KPaG, the temperature is 102-121 ℃, the flow rate is 3-5 m3/h, the pressure, the temperature and the flow rate of the spraying steam can be adjusted according to the actual yield of the granulator, and the quality of the polycarbonate is not influenced by the use of the steam. The nozzle 51 is made of high temperature resistant plastic and has a pipe diameter of DN 10-DN 20.
The air suction device 6 is used for absorbing organic vapor. In this embodiment, the steam spraying device 5 and the air suction device 6 are respectively located on two sides of the die head 12 and are oppositely arranged. In this embodiment, the air suction device 6 is an induced draft fan, an inlet of the induced draft fan is provided with a horn-shaped opening, organic steam can be sufficiently pumped out, the air suction device 6 is located above the die head 12, and the steam spray device 5 is located below the die head 12.
The working principle of the utility model is as follows: when the polycarbonate extrusion granulating device works, the flow of steam is controlled by the valve 52, when organic steam passes through the nozzle 51, the organic steam is sprayed from bottom to top to uniformly cover the die hole 121, and meanwhile, the air suction device 6 extracts the organic steam in the space, so that the die head 12 is prevented from contacting air, and the risk of material oxidation is reduced;
(1) when the vehicle is started to discharge waste, in a second state, as shown in fig. 3, the feeding end of the material guide chute 22 deviates from the position right below the die hole 121, and the polycarbonate branches extruded by the die head 12 directly and vertically fall into a waste container (not shown in the figure), in the process, the material guide chute 22 cannot receive the polycarbonate branches;
(2) when the vehicle is started for production, the driving mechanism drives the material guide chute to move to a first state, as shown in fig. 1, the feeding end of the material guide chute 22 is positioned right below the die hole 121, and the material guide chute 22 receives the extruded polycarbonate branches;
(3) after the discharge is stable, the driving mechanism drives the guide chute to move to the second state, and normal production is performed, as shown in fig. 3, the feed end of the guide chute 22 deviates from the position right below the die hole 121, normal polycarbonate branches are continuously conveyed to the downstream through the guide chute 22, and if the situation that the polycarbonate branches at the die hole 121 are subjected to filament shedding exists, the filaments directly fall from the position of the die head 12 and are collected in a waste container, so that the polycarbonate branches are prevented from falling to the guide chute 22 to enter downstream products, and the quality of polycarbonate is ensured.
Claims (9)
1. A polycarbonate extruding and granulating device comprises a plurality of units which are sequentially arranged along the direction of a production line
The extruder (1) is provided with a feeding bin (11) for polycarbonate raw materials to enter and a die head (12) for extruding polycarbonate branches, and the die head (12) is provided with a die hole (121) for extruding the polycarbonate branches;
the material guide device (2) is used for conveying the polycarbonate branches extruded by the extruder (1);
the cooling water tank (3) is used for cooling the polycarbonate branches output by the material guide device (2); and
the granulator (4) is used for cutting the polycarbonate branches output by the cooling water tank (3) into polycarbonate particles;
the method is characterized in that: also comprises
And the steam spraying device (5) can spray the organic steam covering the die holes (121) and is used for isolating the die head (12) from air.
2. The polycarbonate extrusion pelletizing device of claim 1, characterized in that: the number of the die holes (121) is multiple, the die holes are arranged on the die head (12) in rows, two adjacent rows of the die holes (121) are arranged in a staggered mode, and the die holes (121) of each row are arranged at intervals along the length direction of the die head (12).
3. The polycarbonate extrusion pelletizing device of claim 2, characterized in that: the steam spraying device (5) is provided with a nozzle (51) for discharging organic steam, and the extending direction of the nozzle (51) is vertical to the extending direction of the die hole (121).
4. The polycarbonate extrusion pelletizing device of claim 3, characterized in that: the number of the nozzles (51) is plural and arranged at intervals along the length direction of the die head (12).
5. The polycarbonate extrusion pelletizing device of claim 4, characterized in that: the number of the die holes (121) in the single row is recorded as n, the number of the nozzles (51) is recorded as m, and the relationship between m and n satisfies the following conditions: m is n + 1.
6. The polycarbonate extrusion dicing apparatus according to any one of claims 1 to 5, wherein: the device also comprises an air suction device (6) for absorbing organic steam, wherein the steam spray device (5) and the air suction device (6) are respectively positioned on two sides of the die head (12) and are oppositely arranged.
7. The polycarbonate extrusion pelletizing device of claim 6, characterized in that: the air suction device (6) is an induced draft fan, and an inlet of the induced draft fan is provided with a horn-shaped opening.
8. The polycarbonate extrusion dicing apparatus according to any one of claims 1 to 5, wherein: the material guiding device (2) comprises
A frame (21);
the guide chute (22) is arranged on the frame (21); and
the power output end of the driving mechanism is in transmission connection with the material guide groove (22), so that the material guide groove (22) can move relative to the frame (21) and has at least two states:
in the first state, the feeding end of the material guide groove (22) is positioned right below the die hole (121);
in the second state, the feeding end of the guide chute (22) deviates from the position right below the die hole (121).
9. The polycarbonate extrusion pelletizing device of claim 8, characterized in that: and a guide rail (211) which is matched with the guide chute (22) in a guiding way is arranged at the top of the frame (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020539642.XU CN212170963U (en) | 2020-04-13 | 2020-04-13 | Polycarbonate extruding and granulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020539642.XU CN212170963U (en) | 2020-04-13 | 2020-04-13 | Polycarbonate extruding and granulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212170963U true CN212170963U (en) | 2020-12-18 |
Family
ID=73769883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020539642.XU Active CN212170963U (en) | 2020-04-13 | 2020-04-13 | Polycarbonate extruding and granulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212170963U (en) |
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2020
- 2020-04-13 CN CN202020539642.XU patent/CN212170963U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210720 Address after: 324012 Building 1, 27 Dujuan Road, Quzhou City, Zhejiang Province Patentee after: TOpen Technology (Quzhou) Co.,Ltd. Address before: Room 518-10, Yintian building, Ningbo Free Trade Zone, Zhejiang 315899 Patentee before: ZHEJIANG POLYCARBON ENGINEERING TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |