CN212072905U - Cooling device of double-screw extruder - Google Patents
Cooling device of double-screw extruder Download PDFInfo
- Publication number
- CN212072905U CN212072905U CN202020487938.1U CN202020487938U CN212072905U CN 212072905 U CN212072905 U CN 212072905U CN 202020487938 U CN202020487938 U CN 202020487938U CN 212072905 U CN212072905 U CN 212072905U
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- water
- cooling
- tank
- pipe
- screw extruder
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Abstract
The utility model provides a double screw extruder cooling device, concretely relates to engineering plastics processing equipment technical field. The utility model comprises a cooling water tank and driving rollers, and a cooling ring is arranged between the driving rollers; a water delivery pipe is arranged below the cooling ring and is communicated with the cooling ring; one side of the cooling water tank is provided with a water pump, and the water outlet of the water pump is connected with the water delivery pipe; a water collecting tank is arranged below the cooling water tank, and a water inlet of the water pump is connected with the water collecting tank; a water outlet pipe is arranged on the other side of the cooling water tank; the lower end of the water outlet pipe is provided with a plurality of cooling grooves; one end of the cooling tank is provided with a water distribution pipe which is connected with a water outlet pipe; the other end of the cooling groove is provided with a collecting pipe which is communicated with the water collecting tank. The utility model provides a pair of double screw extruder cooling device can prevent that the temperature from rising and influencing the cooling effect, reduces the circulation water yield, avoids the waste of resource.
Description
Technical Field
The utility model belongs to the technical field of the engineering plastics processing equipment, concretely relates to double screw extruder cooling device.
Background
The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold. Plastics extruders can be largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders. The double-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing and plasticizing performance, exhaust performance, extrusion stability and the like, so that the double-screw extruder is widely applied to molding and processing of extruded products at present. The product extruded from the head of the double-screw extruder needs to be immediately cooled, otherwise, the product can deform, the extruded product is mostly cooled by circulating cooling water in the existing cooling device of the extruder, but the cooling effect can be influenced by the rising of the water temperature along with the increase of the time, and the quantity of the circulating water is large, so that the waste of resources is caused. There is therefore a need for a cooling device for twin-screw extruders that solves the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a double screw extruder cooling device can prevent that the temperature from rising and influencing the cooling effect, reduces the circulation water yield, avoids the waste of resource.
The utility model provides a following technical scheme:
a cooling device of a double-screw extruder comprises a cooling water tank and driving rollers, wherein a cooling ring is arranged between the driving rollers; a water conveying pipe is arranged below the cooling ring and is communicated with the cooling ring; a water pump is arranged on one side of the cooling water tank, and a water outlet of the water pump is connected with the water delivery pipe; a water collecting tank is arranged below the cooling water tank, and a water inlet of the water pump is connected with the water collecting tank; a water outlet pipe is arranged on the other side of the cooling water tank; the lower end of the water outlet pipe is provided with a plurality of cooling grooves; one end of the cooling tank is provided with a water diversion pipe, and the water diversion pipe is connected with the water outlet pipe; the other end of the cooling groove is provided with a collecting pipe which is communicated with the water collecting tank.
Preferably, an annular inner cavity is formed in the cooling ring, a water inlet is formed in the outer side wall of the cooling ring, and a water outlet is formed in the inner side wall of the cooling ring.
Preferably, the cross section of the water outlet is circular.
Preferably, the liquid flow rate of the water outlet is greater than that of the water inlet.
Preferably, a fixed block is arranged at the bottom of the cooling water tank and connected with the water delivery pipe.
Preferably, support columns are arranged between the cooling grooves and the water collecting tank.
The utility model discloses a profitable effect:
the cooling ring is arranged between the driving rollers, the water delivery pipe is arranged below the cooling ring, the water delivery pipe is communicated with the cooling ring, the water pump is arranged on one side of the cooling water tank, the water outlet of the water pump is connected with the water delivery pipe, the water collection tank is arranged below the cooling water tank, the water inlet of the water pump is connected with the water collection tank, the product passes through the cooling ring, the cooling ring sprays and cools the product through the water delivery pipe, the product temperature is effectively reduced, the spraying amount of the cooling ring is small, the power of the water pump is reduced, and the energy consumption is reduced;
the opposite side of cooling trough is equipped with the outlet pipe, the lower extreme of outlet pipe is equipped with a plurality of cooling tank, the one end of cooling tank is equipped with the distributive pipe, the distributive pipe with the outlet pipe meets, the other end of cooling tank is equipped with the collecting pipe, the collecting pipe communicates with each other with the header tank, the distributive pipe divide into the coolant liquid in the outlet pipe many shares and flows into in the cooling tank, the liquid velocity of flow in the cooling tank is slow, and the area of contacting with the air is big, make liquid obtain abundant cooling, flow back to the header tank after the cooling, make liquid obtain recycling, the a large amount of wastes of resource have been avoided, cooling tank and header tank all locate the below of cooling trough, area has been saved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view of the cooling ring of the present invention;
fig. 3 is a sectional view of the cooling tank of the present invention.
Description of reference numerals:
1. a cooling water tank; 2. a driving roller; 3. a cooling ring; 4. a water delivery pipe; 5. a water pump; 6. a water collection tank; 7. A water outlet pipe; 8. a cooling tank; 9. a water diversion pipe; 10. a water collection pipe; 11. a fixed block; 12. a support pillar; 13. A water outlet; 14. an annular inner cavity; 15. a water inlet.
Detailed Description
As shown in fig. 1, 2 and 3, a cooling device of a double-screw extruder comprises a cooling water tank 1 and transmission rollers 2, wherein cooling rings 2 are arranged between the transmission rollers 2, an extruded product passes through the cooling rings 2, an annular inner cavity 14 is arranged in each cooling ring 2, a water inlet 15 is arranged on the outer side wall of each cooling ring 2, a water outlet 13 is arranged on the inner side wall of each cooling ring 2, the cross section of each water outlet 13 is annular, the annular water outlet 13 enables the product to be cooled from 360 degrees, the cooling effect is improved, the liquid flow rate of the water outlet 13 is larger than that of the water inlet 15, so that cooling liquid is firstly collected in the annular inner cavity 14, and the water outlet 13 is favorable for spray cooling from 360 degrees; a water delivery pipe 4 is arranged below the cooling ring 3, the side wall of the water delivery pipe 4 is connected with a water inlet 15 of the cooling ring 3, the water delivery pipe 4 provides cooling liquid for the cooling ring 3, a fixed block 11 is arranged at the bottom of the cooling water tank 1, the upper end of the fixed block 11 is connected with the side wall of the water delivery pipe 4, and the fixed block 11 is favorable for fixing the water delivery pipe 4; a water pump 5 is arranged on one side of the cooling water tank 1, the water pump 5 is connected with the outer side wall of the cooling water tank 1, and a water outlet of the water pump 5 is connected with a water delivery pipe 4; a water collecting tank 6 is arranged below the cooling water tank 1, a water inlet of a water pump 5 is communicated with the side wall of the water collecting tank 6, and the water pump 5 transports cooling liquid in the water collecting tank 6 into a water delivery pipe 4 and provides pressure for spraying of the cooling ring 3; the other side of the cooling water tank 1 is provided with a water outlet pipe 7, the lower end of the water outlet pipe 7 is provided with three cooling tanks 8, the cooling tanks 8 can prevent cooling liquid from spilling due to vibration, one end of each cooling tank 8 is provided with a water distribution pipe 9, one end of each water distribution pipe 9 is connected with the cooling tank 8, the other end of each water distribution pipe 9 is connected with the water outlet pipe 7, the other end of each cooling tank 8 is provided with a collecting pipe 10, one end of each collecting pipe 10 is connected with the cooling tank 8, the other end of each collecting pipe 10 is communicated with the upper end of a water collecting tank 10, supporting columns 12 are arranged between the cooling tanks 8 and the water collecting tanks 6, the two ends of each supporting column 12 in each cooling tank 8 are respectively connected with the outer bottom surface and the inner bottom surface of the cooling tank 8, the two ends of each supporting column 12 on the water collecting tanks 6 are respectively connected with the outer bottom surface of, the liquid velocity of flow in the cooling tank 8 is slow, and the area of contact with the air is big, makes the coolant liquid obtain abundant cooling, flows back to header tank 6 after the cooling, makes liquid obtain the recycle, has avoided a large amount of wastes of resource, and cooling tank 8 and header tank 6 all locate the below of cooling trough 1, have saved area, and support 12 makes the fixed of cooling tank 8 more firm.
The utility model discloses a working method: the driving roller 2 rotates to drive the product to be transported, the transported product passes through the cooling ring 3, the cooling ring 3 is subjected to spray cooling from 360 degrees of the product through the pressure provided by the water pump 5, the cooling effect is enhanced, the sprayed cooling liquid flows into the cooling water tank 1, the cooling liquid flows out from the water outlet pipe 7, the cooling liquid flows into the three cooling water tanks 8 through the water distribution pipes 9 respectively in three parts, the liquid flow rate in the cooling water tanks 8 is low, the area in contact with air is large, the cooling liquid is fully cooled, the cooling liquid flows back to the water collecting tank 6, the liquid is recycled, and a large amount of waste of resources is avoided.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a double screw extruder cooling device, includes cooling trough and driving roller, its characterized in that: a cooling ring is arranged between the transmission rollers; a water conveying pipe is arranged below the cooling ring and is communicated with the cooling ring; a water pump is arranged on one side of the cooling water tank, and a water outlet of the water pump is connected with the water delivery pipe; a water collecting tank is arranged below the cooling water tank, and a water inlet of the water pump is connected with the water collecting tank; a water outlet pipe is arranged on the other side of the cooling water tank; the lower end of the water outlet pipe is provided with a plurality of cooling grooves; one end of the cooling tank is provided with a water diversion pipe, and the water diversion pipe is connected with the water outlet pipe; the other end of the cooling groove is provided with a collecting pipe which is communicated with the water collecting tank.
2. The cooling device of a twin-screw extruder as claimed in claim 1, wherein: the cooling ring is internally provided with an annular inner cavity, the outer side wall of the cooling ring is provided with a water inlet, and the inner side wall of the cooling ring is provided with a water outlet.
3. The twin-screw extruder cooling device according to claim 2, wherein: the cross section of the water outlet is circular.
4. A twin-screw extruder cooling device according to claim 3, characterized in that: the liquid flow rate of the water outlet is larger than that of the water inlet.
5. The cooling device of a twin-screw extruder as claimed in claim 1, wherein: and a fixed block is arranged at the bottom of the cooling water tank and is connected with the water delivery pipe.
6. The cooling device of a twin-screw extruder as claimed in claim 1, wherein: and support columns are arranged between the cooling grooves and the water collecting tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020487938.1U CN212072905U (en) | 2020-04-07 | 2020-04-07 | Cooling device of double-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020487938.1U CN212072905U (en) | 2020-04-07 | 2020-04-07 | Cooling device of double-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212072905U true CN212072905U (en) | 2020-12-04 |
Family
ID=73563367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020487938.1U Expired - Fee Related CN212072905U (en) | 2020-04-07 | 2020-04-07 | Cooling device of double-screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212072905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370497A (en) * | 2021-06-26 | 2021-09-10 | 南京翰易机械电子有限公司 | Cooling device of plastic particle double-screw extruder |
-
2020
- 2020-04-07 CN CN202020487938.1U patent/CN212072905U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370497A (en) * | 2021-06-26 | 2021-09-10 | 南京翰易机械电子有限公司 | Cooling device of plastic particle double-screw extruder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 Termination date: 20210407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |