CN203472124U - Cooling device of extruder - Google Patents
Cooling device of extruder Download PDFInfo
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- CN203472124U CN203472124U CN201320347681.XU CN201320347681U CN203472124U CN 203472124 U CN203472124 U CN 203472124U CN 201320347681 U CN201320347681 U CN 201320347681U CN 203472124 U CN203472124 U CN 203472124U
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- pipe
- cooling
- water inlet
- cooling water
- water
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Abstract
The utility model discloses a cooling device of an extruder. The cooling device comprises at least two groups of cooling water pipes which are arranged at the outer side of a cylinder of the extruder, wherein the cooling water pipe groups comprise coiled pipes spirally wound at the outer side of the cylinder, water inlets and water outlets; the water inlets and the water outlets are respectively connected to a water inlet pipe and a water outlet pipe, the at least two groups of cooling water pipes are sequentially arranged along the axial direction of the cylinder, the water inlets of the at least two groups of cooling water pipes are connected to the same water inlet pipe, and the water outlets of the at least two groups of cooling water pipes are connected to the same water outlet pipe; the coiled pipes are arranged outside the cylinder of the extruder so as to cool the cylinder, so that each part of the cylinder is uniformly cooled, and the at least two groups of cooling water pipes are arranged so as to avoid the condition that as the temperature of the cooling water gradually rises in a cooling process, when the cooling water reaches the backside of the cylinder, the cooling purpose cannot be achieved due to the temperature rise of the cooling water; the structure of the cooling device can be simplified by connecting the water inlets and the water outlets of different cooling water pipe groups to the same water inlet pipe and the same water outlet pipe.
Description
Technical field
The utility model relates to a kind of cooling device, relates in particular to a kind of extruder cooling device.
Background technology
Extruder, claiming again extruder, is the cable equipment that a kind of heart yearn that is mainly used in power line, power cable, coaxial cable, communication cable, transmission cable, BV class household line, electric wire, wire for PC, building line, data communication cable, radio frequency line, HDMI data wire, all kinds of high-temperature silica gel cable, Teflon, coaxial line, network cable, optical fiber, covered wire cable isoelectric line cable is extruded.
The main frame of extruder is extruding machine, and it is comprised of extrusion system, transmission system and heating and cooling system.
Wherein extrusion system comprises screw rod, machine barrel, hopper, head and mould, and plastics plastify into uniform melt by extrusion system, and under the pressure set up in this course, by the continuous extruder head of screw rod.
Screw rod is the main parts of extruding machine, and it is directly connected to range of application and the productivity ratio of extruding machine, by the steel alloy of high-strength corrosion-resisting, is made.
Machine barrel is a metallic cylinder, generally with heat-resisting, compressive resistance is higher, the composite steel tube of firm wear-resisting, corrosion resistant steel alloy or liner steel alloy is made.Machine barrel coordinates with screw rod, realization is to the pulverizing of plastics, softening, melting, plasticizing, exhaust and compacting, and to formation system continuous uniform, carry sizing material, the length of general machine barrel be its diameter 15～30 times so that plastics obtain fully heating and fully plasticizing be principle.
Machine barrel need to be equipped with heater and cooling device, and heater, by the material in external heat cylinder, makes it to heat up, to reach the needed temperature of technological operation.
Cooling device arranges in order to guarantee the temperature range of plastics in technological requirement.The waste heat producing in order to get rid of the shearing friction of screw rod rotation specifically, to avoid excess Temperature to make plastics, incipient scorch or sizing difficulty.
Traditional machine barrel type of cooling is air-cooled, as shown in Figure 1, be generally blower fan 2 is set below machine barrel 1, by improving the speed air flow of machine barrel 1 outside, reach the object cooling, but the above-mentioned type of cooling can not make machine barrel 1 evenly cooling, bottom coohng near the nearer machine barrel 1 of blower fan 2 is effective, and the top of machine barrel 1 is due to poor apart from blower fan 2 cooling effect far away, therefore adopt air cooling way refrigeration to have certain limitation, cause colloidal fraction to melt excessively, the wire rod of producing has a strong impact on quality and outward appearance.
Utility model content
The technical problem that the utility model solves is: for the problems referred to above, provide a kind of extruder cooling device that adopts water-cooled, by cooling water and machine barrel, carry out heat exchange, reach the object of material in even cooling machine barrel.
For reaching this object, the utility model by the following technical solutions:
A kind of extruder cooling device, comprise the cooling water pipe group that is arranged on extruder machine barrel outside, described cooling water pipe group comprises into coil pipe, water inlet and the delivery port that helical structure is coiled in described machine barrel outside, described water inlet is connected respectively water inlet pipe and outlet pipe with delivery port, described cooling water pipe group has at least two groups, along described machine barrel, axially arrange successively, the water inlet of described at least two group cooling water pipe groups connects same water inlet pipe, and the delivery port of described at least two group cooling water pipe groups connects same outlet pipe.
More even by machine barrel being carried out to cooling each position cooling effect of machine barrel that can make at extruder machine barrel outer setting coil pipe, being provided with at least two group cooling water pipe group objects is to avoid cooling water temperature in cooling procedure to raise gradually, when adopting same group of cooling water pipe group, while being cooled to rear, the temperature of cooling water raises and cannot reach cooling object, adopts the water inlet of different cooling water pipe groups to be all connected same inlet channel with delivery port and same outlet conduit can be simplified cooling device structure.
As a kind of preferred technical scheme, described cooling water pipe group is a coil pipe that becomes helical structure to be coiled in described machine barrel outside, and the two-port of described coil pipe is respectively water inlet and delivery port.
Preferably, cooling water pipe group adopts into the coil pipe of helical structure coiling, this setup good effect of heat exchange, and heat exchange is even.
Preferably, described cooling water pipe adopts copper pipe.The good heat-transfer of copper pipe, can more effective cooling machine barrel.
Preferably, at described water inlet and water outlet, by mouth expander, install pipe joint.
Preferably, described coil pipe adopts the copper pipe of DN15, and described water inlet pipe and outlet pipe adopt DN25 copper pipe, between described water inlet pipe and outlet pipe, adopts reducing tee to be connected.
As a kind of preferred technical scheme, described cooling water pipe group is that more than two or two coil pipes become helical structure to be coiled in successively described machine barrel outside, the two-port of every described coil pipe is respectively water inlet and delivery port, described water inlet connects water inlet pipe by part flow arrangement, and described delivery port connects outlet pipe.
In one group of cooling water pipe group, be provided with two, or many coil pipes, between coil pipe and coil pipe, adopt and the relation that connects is connected, and be pooled to same water inlet or delivery port can conveniently be unified to supply water by part flow arrangement, and the unified of draining processed.
As a kind of preferred technical scheme, described in every group, the described water inlet of cooling water pipe group is provided with magnetic valve.
Import department in cooling water pipe group arranges magnetic valve, by each cooling water pipe group inside of solenoid control, whether has cooling fluid, is convenient to realize the automation control of cooling device.
As a kind of preferred technical scheme, described in every group, the corresponding machine barrel of cooling water pipe group place is provided with temp controlled meter, and described magnetic valve is electrically connected to the relay output end of described temp controlled meter.
By temp controlled meter, detect the temperature of the corresponding machine barrel of this group cooling water pipe group, and according to detected temperatures, control the disconnection and closure of the relay output end of described temp controlled meter.
If which section excess Temperature of machine barrel, which section temp controlled meter relay output point will be closed, and electromagnetic valve coil will obtain electric, and electromagnetic valve will be opened, and cooling water will pass through magnetic valve pipeline flow-direction coil pipe, and flows out from coil pipe delivery port, is discharged in drainpipe.High that section temperature will be lowered the temperature, and when reaching suitable temperature, temp controlled meter relay output point will be opened, and magnetic valve will dead electricity valve closing, and water-cooled can stop.
As a kind of preferred technical scheme, described outlet pipe connects cooling pond.
Cooling water drainage is finally pooled to after being put in outlet pipe after cooling in ， cooling pond, cooling pond and can recycles.
As a kind of preferred technical scheme, described coil pipe is finned tube, screwed pipe or spiral grooved tube.
According to cooling needs, coil pipe can adopt thermoexcell as above, can improve cooling effectiveness, improves system response time.
The beneficial effects of the utility model are: more even by machine barrel being carried out to cooling each position cooling effect of machine barrel that can make at extruder machine barrel outer setting coil pipe, being provided with at least two group cooling water pipe group objects is to avoid cooling water temperature in cooling procedure to raise gradually, when adopting same group of cooling water pipe group, while being cooled to rear, the temperature of cooling water raises and cannot reach cooling object, adopts the water inlet of different cooling water pipe groups to be all connected same inlet channel with delivery port and same outlet conduit can be simplified cooling device structure.
Accompanying drawing explanation
According to drawings and embodiments the utility model is described in further detail below.
Fig. 1 is machine barrel cooling structure schematic diagram in existing air-cooled technology.
Fig. 2 is extruder cooling device structural representation described in the utility model.
Fig. 3 is cooling water pipe group structural representation described in the utility model.
In Fig. 1:
1, machine barrel; 2, blower fan.
In Fig. 2,3:
11, water inlet pipe; 12 machine barrels; 13, cooling water pipe group; 14, outlet pipe; 15, cooling pond; 16, first segment coil pipe; 17, second section coil pipe; 18, three-way connection; 19, magnetic valve.
The specific embodiment
Below in conjunction with accompanying drawing and by the specific embodiment, further illustrate the technical solution of the utility model.
As Fig. 2, shown in 3, in the present embodiment, extruder cooling device described in the utility model, comprise water inlet pipe 11, six groups of cooling water pipe groups 13 that are connected with water inlet pipe 11 by three-way connection 18, every group of cooling water pipe group 13 comprises first segment coil pipe 16 and 17 liang of joint coil pipes of second section coil pipe, coil pipe forms around the copper screwed pipe on extruder machine barrel 12 by being spiral sabot, the two ends of screwed pipe are respectively water inlet and delivery port, the water inlet of first segment coil pipe 16 is connected same water inlet pipe 11 with the water inlet of second section coil pipe 17 by three-way connection 18, between water inlet pipe 11 and three-way connection 18, be provided with magnetic valve 19.
Screwed pipe adopts the tubing of nominal diameter DN15 to make, and water inlet pipe adopts the tubing of DN25 to make, and the three-way connection 18 that therefore connects described water inlet and water inlet pipe adopts reducing tee.
The delivery port of first segment coil pipe 16 is connected same outlet pipe 14 with the delivery port of second section coil pipe 17 by three-way connection 18, and outlet pipe 14 adopts the tubing of DN25 to make, and the three-way connection 18 that therefore connects described delivery port and outlet pipe adopts reducing tee.
The every group of corresponding machine barrel of cooling water pipe group 13 12 places are provided with temp controlled meter, the relay output end of temp controlled meter is electrically connected to be arranged between the water inlet pipe 11 of this group cooling water pipe group 13 and three-way connection 18 and is provided with magnetic valve 19, and the keying of this magnetic valve 19 is controlled.
During work, cooling water is recycled pump and promotes to inject from water inlet pipe 11 water inlet ends, the temp controlled meter being now arranged in machine barrel 12 detects machine barrel 12 temperature, if machine barrel 12 which section excess Temperatures, which section temp controlled meter relay output point will be closed, magnetic valve 19 coils will obtain electric, magnetic valve 19 will be opened, cooling water will pass through magnetic valve 19, rear first segment coil pipe 16 and the second section coil pipe 17 of flowing to respectively of three-way connection 18, cooling water carries out heat exchange with machine barrel 12 in two groups of coil pipes, realization is cooling to this section of machine barrel 12, the cooling water that carried out heat exchange flows out from coil pipe delivery port, be discharged in outlet pipe 14, the temperature of high that section machine barrel 12 will be lowered the temperature, when reaching suitable temperature, temp controlled meter relay output point will be opened, magnetic valve 19 will dead electricity valve closing, cooling water stops entering the cooling water pipe group 13 of this section of setting.
Cooling water is stored in cooling pond 15 after outlet pipe 14 is discharged, cooling rear reusable edible in cooling pond 15.
What need statement is; the above-mentioned specific embodiment is only preferred embodiment of the present utility model and institute's application technology principle; in technical scope disclosed in the utility model; the variation that any those skilled in the art of being familiar with easily expect or replacement, all should be encompassed in protection domain of the present utility model.
Claims (7)
1. an extruder cooling device, it is characterized in that, comprise the cooling water pipe group that is arranged on extruder machine barrel outside, described cooling water pipe group comprises into coil pipe, water inlet and the delivery port that helical structure is coiled in described machine barrel outside, described water inlet is connected respectively water inlet pipe and outlet pipe with delivery port, described cooling water pipe group has at least two groups, along described machine barrel, axially arrange successively, the water inlet of described at least two group cooling water pipe groups connects same water inlet pipe, and the delivery port of described at least two group cooling water pipe groups connects same outlet pipe.
2. extruder cooling device according to claim 1, is characterized in that, described cooling water pipe group is a coil pipe that becomes helical structure to be coiled in described machine barrel outside, and the two-port of described coil pipe is respectively water inlet and delivery port.
3. extruder cooling device according to claim 1, it is characterized in that, described cooling water pipe group is two or two above coil pipes, described coil pipe becomes helical structure to be coiled in successively described machine barrel outside, the two-port of every described coil pipe is respectively water inlet and delivery port, described water inlet connects water inlet pipe by part flow arrangement, and described delivery port connects outlet pipe.
4. according to the extruder cooling device described in claim 1～3 any one, it is characterized in that, described in every group, the described water inlet of cooling water pipe group is provided with magnetic valve.
5. extruder cooling device according to claim 4, is characterized in that, described in every group, the corresponding machine barrel of cooling water pipe group place is provided with temp controlled meter, and described magnetic valve is electrically connected to the relay output end of described temp controlled meter.
6. extruder cooling device according to claim 1, is characterized in that, described outlet pipe connects cooling pond.
7. extruder cooling device according to claim 1, is characterized in that, described coil pipe is finned tube, screwed pipe or spiral grooved tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320347681.XU CN203472124U (en) | 2013-06-17 | 2013-06-17 | Cooling device of extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320347681.XU CN203472124U (en) | 2013-06-17 | 2013-06-17 | Cooling device of extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203472124U true CN203472124U (en) | 2014-03-12 |
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ID=50220524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320347681.XU Expired - Lifetime CN203472124U (en) | 2013-06-17 | 2013-06-17 | Cooling device of extruder |
Country Status (1)
| Country | Link |
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| CN (1) | CN203472124U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106799826A (en) * | 2017-03-20 | 2017-06-06 | 青岛汇天隆工程塑料有限公司 | A kind of extruder barrel cooling system |
| CN109605712A (en) * | 2018-12-28 | 2019-04-12 | 南京越升挤出机械有限公司 | A kind of polymer foaming processing cooling cylinder of extruder |
-
2013
- 2013-06-17 CN CN201320347681.XU patent/CN203472124U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106799826A (en) * | 2017-03-20 | 2017-06-06 | 青岛汇天隆工程塑料有限公司 | A kind of extruder barrel cooling system |
| CN109605712A (en) * | 2018-12-28 | 2019-04-12 | 南京越升挤出机械有限公司 | A kind of polymer foaming processing cooling cylinder of extruder |
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Granted publication date: 20140312 |