CN212764695U - Engineering plastic material strip cooling device - Google Patents
Engineering plastic material strip cooling device Download PDFInfo
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- CN212764695U CN212764695U CN202021462028.4U CN202021462028U CN212764695U CN 212764695 U CN212764695 U CN 212764695U CN 202021462028 U CN202021462028 U CN 202021462028U CN 212764695 U CN212764695 U CN 212764695U
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- cooling
- air cooling
- material strip
- cold water
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Abstract
The utility model relates to a plastics production facility technical field discloses engineering plastics material strip cooling device, including the cold water groove with be located the forced air cooling subassembly of cold water groove one side, the cold water inslot is held and is used for transmitting at least three guide roller one of material strip, the top in cold water groove hangs and is equipped with the shower that is used for spraying the cooling to the material strip, the bottom of shower is fixed with a plurality of shower nozzles. The cold water tank is connected with a return pipe communicated with the cold water tank, and the water outlet of the return pipe is communicated with the water inlet of the spray pipe. The air cooling assembly is used for carrying out air cooling on the material strips subjected to spraying and cooling. The return pipe is provided with a heat exchange assembly. Through the heat exchange assembly who sets up on the back flow, can carry out rapid cooling to the water in the cold water groove, make to keep at the lower temperature all the time via the cooling water that the shower nozzle spouts to the material strip surface, make the material strip cooling more abundant to set up the price through the forced air cooling and further cool off the material strip after spraying the cooling, improved the cooling effect of material strip, so that to the subsequent processing of cooling back material strip.
Description
Technical Field
The utility model relates to a plastics production facility technical field especially relates to engineering plastics material strip cooling device.
Background
Engineering plastics are industrial plastics used as materials for industrial parts or housings, and are plastics excellent in strength, impact resistance, heat resistance, hardness, and aging resistance, and are in great demand in various fields, such as nylon (PA), Polycarbonate (PC), and the like. In the production process of engineering plastics, the mixed liquid plastics are required to be extruded into a solid strip shape, and then the solid strip shape is cut into granules after being cooled. Among the various cooling methods, water cooling is a method with a high speed, a lowest cost and a lowest energy consumption.
However, because the temperature is higher when the plastic material strip is extruded from the extruder, the required cooling time is longer, in some production, only a cooling water tank is adopted for cooling the material strip, but the cooling effect of the method on the material strip is insufficient, and the cooling effect is poor, so that the cooling processing requirement of people on engineering plastics can not be met gradually.
SUMMERY OF THE UTILITY MODEL
For solving prior art and only adopting cooling trough cooling material strip, it is abundant inadequately to the cooling of material strip, and the relatively poor technical problem of cooling effect, the utility model provides an engineering plastics material strip cooling device.
The utility model discloses a following technical scheme realizes: the engineering plastic material strip cooling device comprises a cold water tank and an air cooling assembly positioned on one side of the cold water tank, wherein at least three first material guide rollers for conveying the material strips are accommodated in the cold water tank, a spray pipe for spraying and cooling the material strips is suspended above the cold water tank, and a plurality of spray heads are fixed at the bottom of the spray pipe; the cold water tank is connected with a return pipe communicated with the cold water tank, and a water outlet of the return pipe is communicated with a water inlet of the spray pipe; the air cooling assembly is used for carrying out air cooling on the material strips after being sprayed and cooled;
the backflow pipe is provided with a heat exchange assembly, the heat exchange assembly comprises a heat exchanger and a heat exchange box, a refrigerant is contained in the heat exchange box, a liquid outlet of the heat exchange box is communicated with a refrigerant inlet of the heat exchanger through a refrigerant input pipe, and a liquid inlet of the heat exchange box is communicated with a refrigerant outlet of the heat exchanger through a refrigerant output pipe.
As a further improvement of the scheme, at least three first guide rollers are arranged in a vertically staggered mode along the conveying direction of the material strips.
As a further improvement of the above scheme, the air cooling assembly comprises an air cooling box, one side of the air cooling box is provided with a feed port for inputting the material strips, and the other side of the air cooling box is provided with a discharge port for outputting the material strips; two guide rollers II that are parallel to each other are accommodated in the air cooling box, two the top of guide roller II is provided with the dust screen, the top of dust screen is provided with the draught fan, the air exhauster is installed to one side of air cooling box.
As a further improvement of the scheme, the air cooling assembly further comprises a drain pipe communicated with the inside of the air cooling box in an inserted mode, a guide plate is arranged below the two guide rollers II, and one end of the guide plate inclines downwards and extends to the drain pipe.
As a further improvement of the scheme, the air cooling assembly further comprises a box cover fixed to the top of the air cooling box, and the induced draft fan is fixed to the top of the box cover.
As a further improvement of the scheme, a first pump body is installed on the return pipe.
The utility model has the advantages that:
through the heat exchange assembly who sets up on the back flow, can carry out rapid cooling to the water in the cold water groove, make to keep at the lower temperature all the time via the cooling water that the shower nozzle spouts to the material strip surface, make the material strip cooling more abundant to set up the price through the forced air cooling and further cool off the material strip after spraying the cooling, improved the cooling effect of material strip, so that to the subsequent processing of cooling back material strip.
Drawings
Fig. 1 is a schematic cross-sectional structure view of an engineering plastic strip cooling device provided in an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is an enlarged schematic view of a structure at B in fig. 1.
Description of the main symbols:
1. a cold water tank; 2. a first material guide roller; 3. a shower pipe; 4. a spray head; 5. a water outlet hole; 6. a return pipe; 7. a pump body I; 8. a heat exchanger; 9. a heat exchange box; 10. a refrigerant input pipe; 11. a refrigerant output pipe; 12. a pump body II; 14. an air cooling box; 15. a feed inlet; 16. a discharge port; 17. a second material guide roller; 18. an induced draft fan; 19. an exhaust fan; 20. a dust screen; 21. a drain pipe; 22. a baffle; 23. a third material guide roller; 24. a mounting frame; 25. a box cover; 26. salient points; 27. and (4) a groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 to 3, the cooling device for engineering plastic bars includes a cold water tank 1 and an air cooling assembly located at one side of the cold water tank 1. The cold water tank 1 is a tank body which is rectangular as a whole and is open at the top. The cold water tank 1 contains cooling water. And a third material guide roller 23 for conveying the material strips is arranged on the upper edge of one end, far away from the air cooling assembly, of the cold water tank 1. At least three material guiding rollers (2) (in the embodiment, the number of the material guiding rollers (2) is illustrated as three), which are used for conveying the material strips, are accommodated in the cold water tank (1), a spray pipe (3) for spraying and cooling the material strips (not shown) is suspended above the cold water tank (1), and a plurality of spray heads (4) are fixed at the bottom of the spray pipe (3). The cold water tank 1 is connected with a return pipe 6 communicated with the cold water tank 1, the bottom of the tank body of the cold water tank 1 is provided with a water outlet 5, and a water inlet of the return pipe 6 is fixed on the water outlet 5. The water outlet of the return pipe 6 is communicated with the water inlet of the spray pipe 3. The air cooling assembly is used for carrying out air cooling on the material strips after being cooled by spraying so as to accelerate the cooling rate of the material strips and improve the cooling effect of the material strips.
Install heat exchange assembly on the back flow 6, heat exchange assembly includes heat exchanger 8 and heat exchange box 9, has contained the refrigerant in heat exchange box 9, and the refrigerant can be liquid freon in this embodiment. The liquid outlet of the heat exchange box 9 is communicated with the refrigerant inlet of the heat exchanger 8 through a refrigerant input pipe 10, and the liquid inlet of the heat exchange box 9 is communicated with the refrigerant outlet of the heat exchanger 8 through a refrigerant output pipe 11. In this embodiment, the second pump body 12 is installed on the refrigerant input pipe 10, and the refrigerant in the heat exchange tank 9 can be pumped to the heat exchanger 8 through the second pump body 12 to participate in heat exchange.
At least three guide rollers 2 are arranged in a vertically staggered mode along the conveying direction of the material strips, namely, the height difference exists between the adjacent guide rollers 2 in the vertical direction. Wherein, the material guide roller 2 positioned in the middle is positioned below the material guide rollers 2 positioned at two sides, so that the transmission stroke of the material strips in the cold water tank 1 can be increased, the cooling time of the material strips is prolonged, and the material strips are cooled more fully.
The air cooling assembly comprises an air cooling box 14, wherein one side of the air cooling box 14 is provided with a feeding hole 15 for feeding the material strips, and the other side of the air cooling box 14 is provided with a discharging hole 16 for outputting the material strips. Two guide rollers 17 which are parallel to each other are accommodated in the air cooling box 14, a dustproof net 20 is arranged above the two guide rollers 17, an induced draft fan 18 is arranged above the dustproof net 20, the induced draft fan 18 can blow external air into the air cooling box 14 to cool the material strips, and the dustproof net 20 can filter dust blown into air flow of the material strips. An exhaust fan 19 is installed at one side of the air-cooling box 14.
In this embodiment, the three guide rollers 23 are installed at the feed inlet 15 and the discharge outlet 16, so that the strip at the feed inlet 15 and the discharge outlet 16 is more smoothly conveyed.
The air cooling assembly further comprises a drain pipe 21 which is connected with the inside of the air cooling box 14 in an inserted mode, a guide plate 22 is arranged below the two guide rollers 17, and one end of the guide plate 22 inclines downwards and extends to the drain pipe 21. When the material strips are cooled by air in the air cooling box 14, the water on the surface of the material strips drops onto the guide plate 22 and flows to the drain pipe 21 to be discharged under the transmission of the guide plate 22.
The air cooling assembly further comprises a box cover 25 fixed to the top of the air cooling box 14, and the induced draft fan 18 is fixed to the top of the box cover 25. The two sides of the bottom of the box cover 25 are both fixed with salient points 26, the edges of the two sides of the top of the air cooling box 14 are both provided with grooves 27 matched with the salient points 26 in a clamping mode, and the box cover 25 can be conveniently mounted and dismounted on the top of the air cooling box 14 through the salient points 26 and the grooves 27.
The return pipe 6 is provided with a pump body I7, and water in the cold water tank 1 can be pumped to the heat exchanger 8 through the return pipe 6 to participate in heat exchange through the pump body I7.
A horizontal mounting frame 24 is fixed on the side wall of the air cooling box 14, and the spray pipe 3 is fixed on the frame body of the mounting frame 24.
The utility model discloses an operating principle specifically does, during the use, when the material strip is through the process in cold water tank 1, winds to high lower guide roller 2 below from high higher guide roller 2 top earlier, winds to next high higher guide roller 2 top from high lower guide roller 2 below again, so repetition, draws into forced air cooling case 14 from cold water tank 1 after through last guide roller 2. The spray head 4 sprays cooling water to the surface of the material strip so as to carry out water cooling on the material strip. Water flow is stored in the cold water tank 1 and has certain heat, the pump body I7 pumps water in the cold water tank 1 to the heat exchanger 8 through the return pipe 6, and the pump body II 12 pumps refrigerants in the heat exchange box 9 into the heat exchanger 8 through the refrigerant input pipe 10 to exchange heat with water flowing through the heat exchanger 8, so that the temperature of the water flowing through the heat exchanger 8 is reduced. The water after heat exchange is continuously pumped by the pump body I7 and is conveyed to the spraying pipe 3 through the return pipe 6 to provide a water source for the cooling water injection of the spray head 4, and the refrigerant after heat exchange returns to the heat exchange box 9 through the refrigerant output pipe 11 to participate in the next heat exchange circulation.
The material strips cooled by water enter the air cooling box 14 through the feeding hole 15, and are conveyed to the discharging hole 16 to be collected under the conveying action of the second material guide roller 17 for subsequent production and processing. When the material strips are located in the air cooling box 14, the induced draft fan 18 blows external air into the air cooling box 14 to further cool the material strips, the dust screen 20 can filter dust in air flow blowing to the material strips, the material strips are prevented from being polluted by the dust in the air, the air in the air cooling box 14 can be pumped out by the exhaust fan 19, so that the air flowing speed in the air cooling box 14 is accelerated, the cooling speed of the material strips is accelerated, and the material strips can be drained. The water on the surface of the bar falls onto the guide plate 22 and flows to the drain pipe 21 to be discharged under the transmission of the guide plate 22.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The engineering plastic material strip cooling device is characterized by comprising a cold water tank and an air cooling assembly positioned on one side of the cold water tank, wherein at least three first guide rollers for conveying the material strips are accommodated in the cold water tank, a spray pipe for spraying and cooling the material strips is suspended above the cold water tank, and a plurality of spray heads are fixed at the bottom of the spray pipe; the cold water tank is connected with a return pipe communicated with the cold water tank, and a water outlet of the return pipe is communicated with a water inlet of the spray pipe; the air cooling assembly is used for carrying out air cooling on the material strips after being sprayed and cooled;
the backflow pipe is provided with a heat exchange assembly, the heat exchange assembly comprises a heat exchanger and a heat exchange box, a refrigerant is contained in the heat exchange box, a liquid outlet of the heat exchange box is communicated with a refrigerant inlet of the heat exchanger through a refrigerant input pipe, and a liquid inlet of the heat exchange box is communicated with a refrigerant outlet of the heat exchanger through a refrigerant output pipe.
2. The apparatus for cooling strip of engineering plastic according to claim 1, wherein at least three first guide rollers are staggered up and down along the strip conveying direction.
3. The engineering plastic material strip cooling device as claimed in claim 1, wherein the air cooling assembly comprises an air cooling box, one side of the air cooling box is provided with a feeding hole for feeding the material strip, and the other side of the air cooling box is provided with a discharging hole for discharging the material strip; two guide rollers II that are parallel to each other are accommodated in the air cooling box, two the top of guide roller II is provided with the dust screen, the top of dust screen is provided with the draught fan, the air exhauster is installed to one side of air cooling box.
4. The engineering plastic material strip cooling device as claimed in claim 3, wherein the air cooling assembly further comprises a drain pipe connected with the inside of the air cooling box in an inserted manner, a guide plate is arranged below the two guide rollers, and one end of the guide plate is inclined downwards and extends to the drain pipe.
5. The engineering plastic material strip cooling device as claimed in claim 4, wherein the air cooling assembly further comprises a box cover fixed on the top of the air cooling box, and the induced draft fan is fixed on the top of the box cover.
6. The engineering plastic material strip cooling device as claimed in claim 1, wherein the first pump body is mounted on the return pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021462028.4U CN212764695U (en) | 2020-07-23 | 2020-07-23 | Engineering plastic material strip cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021462028.4U CN212764695U (en) | 2020-07-23 | 2020-07-23 | Engineering plastic material strip cooling device |
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| Publication Number | Publication Date |
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| CN212764695U true CN212764695U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021462028.4U Active CN212764695U (en) | 2020-07-23 | 2020-07-23 | Engineering plastic material strip cooling device |
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| CN (1) | CN212764695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547676A (en) * | 2021-07-20 | 2021-10-26 | 惠州市协同橡塑材料有限公司 | Cooling arrangement is used in production of environment-friendly rubber |
-
2020
- 2020-07-23 CN CN202021462028.4U patent/CN212764695U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547676A (en) * | 2021-07-20 | 2021-10-26 | 惠州市协同橡塑材料有限公司 | Cooling arrangement is used in production of environment-friendly rubber |
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