CN211542316U - Inner sleeve cooling system of extruding machine - Google Patents
Inner sleeve cooling system of extruding machine Download PDFInfo
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- CN211542316U CN211542316U CN201921791250.6U CN201921791250U CN211542316U CN 211542316 U CN211542316 U CN 211542316U CN 201921791250 U CN201921791250 U CN 201921791250U CN 211542316 U CN211542316 U CN 211542316U
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Abstract
The utility model discloses an inner skleeve cooling system of extruding machine relates to the extruding machine field, and its technical scheme main points are: the outer wall circumference cover that the screw rod is close to the feeder hopper is equipped with a confined cooling cylinder, the cooling cylinder includes first sleeve and second sleeve, first sleeve is worn to establish in the second sleeve, the feeder hopper passes the cooling cylinder and stretches into in the barrel, be equipped with the inlet tube that stretches into in the second sleeve on the cooling cylinder, the inlet tube sets up on being close to the cooling cylinder bottom, be equipped with the drainage device who makes rivers go out the cooling cylinder on the inlet tube, provide the heat that a reduction screw rod is in the position that is close to the feeder hopper, reduce the raw materials and form the caking in the position that the screw rod is close to the feeder hopper, guarantee follow-up extruding machine production.
Description
Technical Field
The utility model relates to a extruding machine field, more specifically says that it relates to an inner skleeve cooling system of extruding machine.
Background
The plastic extruder extrudes molten plastic through an extrusion port with a fixed shape under the action of a screw, and cuts the plastic after water cooling and shaping under the action of a tractor, is mainly used for the mass continuous production of various products with the same cross section, such as pipes, rods, profiled bars and the like, and can also be used for plastic modification and granulation.
Chinese patent No. CN205326235U discloses a single screw extruder, which comprises the following technical scheme: including frame, driving motor, unloading seat and screw rod, on driving motor, unloading seat and screw rod all located the frame, the frame bottom was equipped with the universal wheel, and driving motor passes through screw rod head connecting screw rod, unloading seat, and unloading seat lower part is equipped with the vibrator, and unloading seat below is connected with the bush, and the bush outside is equipped with the barrel, and inside sets up the screw rod, and the bush connection has the extrusion outlet.
However, during the operation of the screw in the barrel, the screw has shear heat at a position close to the feed hopper, and the feed hopper raw material is added into the barrel, so that frictional heat is generated at a position close to the feed hopper by the screw, and thus the raw material is prone to caking at the position close to the feed hopper, and the follow-up operation of the extruder is affected.
Disclosure of Invention
The utility model aims at providing an inner skleeve cooling system of extruding machine provides the heat that reduces the screw rod in the position that is close to the feeder hopper, reduces the raw materials and forms the caking in the position that the screw rod is close to the feeder hopper, guarantees follow-up extruding machine production.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an inner skleeve cooling system of extruding machine, includes the feeder hopper, the feeder hopper lower extreme is equipped with the barrel, be equipped with the extrusion screw rod in the barrel, the outer wall circumference cover that the screw rod is close to the feeder hopper is equipped with the confined cooling cylinder, the cooling cylinder includes first sleeve and second sleeve, first sleeve is worn to establish in the second sleeve, the feeder hopper passes the cooling cylinder and stretches into in the barrel, be equipped with on the cooling cylinder and stretch into the inlet tube in the second sleeve, the inlet tube sets up on being close to the cooling cylinder bottom, be equipped with the drainage device who makes rivers go out the cooling cylinder on the cooling cylinder.
Through adopting above-mentioned technical scheme, it is first, cold water in the inlet pipe flows into between first sleeve and the second sleeve, at this moment, reduce the heat of screw rod on the position that is close to the feeder hopper, reduce the raw materials and form the caking in the position that the screw rod is close to the feeder hopper, guarantee that follow-up extruding machine production goes on, the second, after the water absorption certain heat in the cooling cylinder, drainage device can take away the water that has the heat from the cooling water this moment, so that the use of cooling cylinder next time, can save the cooling time of waiting for hot water in the cooling cylinder, and the efficiency is improved.
Preferably, drainage device includes hollow support frame, be equipped with the baffle along support frame length direction in the support frame, the baffle divide into two parts with the support frame, the barrel is placed on the support frame, the one end that the cooling cylinder was kept away from to the inlet tube stretches into in the support frame, one side of the relative inlet tube of cooling cylinder is equipped with the outlet pipe that is close to the setting of cooling cylinder top, the one end that the cooling cylinder was kept away from to the outlet pipe stretches into in the lateral wall that the inlet tube was kept away from to the support frame, one side that the support frame is close to the inlet tube is connected with places subaerial cold water storage cistern, the cold water storage cistern is connected with places subaerial water pump.
Through adopting above-mentioned technical scheme, start the water pump, during cold water flows through the support frame, then flow to the inlet tube then flow in the cooling cylinder, the water in the cooling cylinder absorbs partly heat this moment, then flow out from the outlet pipe again, not only can reduce the heat of screw rod on the position that is close to the feeder hopper, can also cool off whole extruding machine barrel, reduce the extruding machine and generate heat so that cause the extruding machine to be burnt out.
Preferably, the cooling cylinder winding has snakelike water pipe, snakelike water pipe one end is connected on the inner wall that the support frame is close to the inlet tube, and the other end is for not having the end structure and stretching into in the cooling cylinder.
Through adopting above-mentioned technical scheme, let in cold water in snakelike water pipe, the cooling cylinder receives the even winding of snakelike water pipe this moment, makes snakelike water pipe absorb the heat uniformly, and the heat extraction effect is better.
Preferably, the water inlet pipe and the water outlet pipe are both provided with a first stop valve.
By adopting the technical scheme, the water inlet and the water outlet of the water inlet pipe and the water outlet pipe can be conveniently controlled.
Preferably, the end of the drain pipe, which is far away from the support frame, is connected with a return tank, the side wall of the return tank is communicated with a return pipe, the end of the return pipe, which is far away from the return tank, is connected to the cold water tank, the return pipe is provided with a second stop valve, and the return tank is provided with a refrigerating device for cooling water in the return tank.
Through adopting above-mentioned technical scheme, the drain pipe discharges, through back flow and backward flow case in proper order, starts refrigerating plant, with the water-cooling back in the backward flow case, then open the second and cut to the valve, start the water pump, can flow the cold water tank with the water in the backward flow case, continue to use resources are saved, raise the efficiency.
Preferably, refrigerating plant includes the coiled pipe, coiled pipe one end is connected at drain pipe one end, and the other end stretches into the backward flow incasement, set up the air conditioning hole of rectangular shape along backward flow case length direction on the backward flow case, the backward flow case upper end is equipped with the air exhauster of bleeding from the air conditioning hole.
Through adopting above-mentioned technical scheme, have thermal rivers and go into the drain pipe, then through the coiled pipe, the water velocity can be slowed down to the coiled pipe for the cooling rate of water, start the air exhauster, the cold gas pocket is aimed at to the air exhauster, further with the water-cooling in the flow back box, improves cooling efficiency.
Preferably, the outer wall of the return box is provided with a plurality of radiating fins.
Through adopting above-mentioned technical scheme, further with the water cooling in the flow-back box, improve cooling efficiency.
To sum up, the utility model discloses the beneficial effect who reaches is: firstly, reducing the heat of the screw at the position close to the feed hopper, reducing the caking of the raw materials at the position of the screw close to the feed hopper, and ensuring the production of a subsequent plastic extruding machine; secondly, the whole extruder barrel can be cooled, so that the heating of the extruder is reduced, and the extruder is burnt; thirdly, cold water flows back, resources are saved, and efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a schematic structural view for embodying the first sleeve and the first sleeve of the present embodiment;
FIG. 3 is a schematic structural view for embodying the separator of the present embodiment;
fig. 4 is a schematic structural view of the present embodiment for embodying a serpentine tube.
In the figure: 1. a feed hopper; 2. a barrel; 3. extruding a screw; 4. a cooling cylinder; 5. a first sleeve; 6. a second sleeve; 7. a water inlet pipe; 8. a support frame; 9. a water outlet pipe; 10. a cold water tank; 11. a water pump; 12. a drain pipe; 13. a serpentine water pipe; 14. a first shut-off valve; 15. a return tank; 16. a return pipe; 17. a second stop valve; 18. a serpentine tube; 19. cooling air holes; 20. an exhaust fan; 21. a heat sink; 22. a separator.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides an inner skleeve cooling system of extruding machine, as figure 1, as figure 2, including feeder hopper 1, 1 lower extreme of feeder hopper is equipped with barrel 2, be equipped with extrusion screw 3 in the barrel 2, the outer wall circumference cover that screw 3 is close to feeder hopper 1 is equipped with confined cooling cylinder 4, cooling cylinder 4 includes first sleeve 5 and second sleeve 6, first sleeve 5 wears to establish in second sleeve 6, feeder hopper 1 passes cooling cylinder 4 and stretches into in barrel 2, be equipped with the inlet tube 7 that stretches into in the second sleeve 6 on the cooling cylinder 4, inlet tube 7 sets up on being close to cooling cylinder 4 bottom, cold water in the inlet tube 7 flows into between first sleeve 5 and the second sleeve 6, at this moment, reduce the heat of extrusion screw 3 on the position that is close to feeder hopper 1, reduce the raw materials and form the caking in the position that extrusion screw 3 is close to feeder hopper 1, guarantee that follow-up extruding machine production goes.
As shown in fig. 1, as shown in fig. 2, the winding of cooling cylinder 4 has snakelike water pipe 13, snakelike water pipe 13 one end is connected on the inner wall that support frame 8 is close to inlet tube 7, the other end is for having no end structure and stretching into in cooling cylinder 4, let in cold water in snakelike water pipe 13, cooling cylinder 4 receives the even winding of snakelike water pipe 13 this moment, make snakelike water pipe 13 absorb the heat uniformly, in addition, all be equipped with first stop valve 14 on inlet tube 7 and the outlet pipe 9, the convenient water and the play water of intaking of control inlet tube 7 and outlet pipe 9.
As shown in fig. 1, as shown in fig. 2, as shown in fig. 3, a drainage device for enabling water to flow out of the cooling cylinder 4 is arranged on the cooling cylinder 4, the drainage device includes a hollow support frame 8, a partition plate 22 is arranged in the support frame 8 along the length direction of the support frame 8, the support frame 8 is divided into two parts by the partition plate 22, the partition plate 22 is welded on the inner wall of the support frame, the machine barrel 2 is placed on the support frame 8, one end of the water inlet pipe 7, which is far away from the cooling cylinder 4, extends into the support frame 8, a water outlet pipe 9, which is arranged near the top end of the cooling cylinder 4, is arranged on one side of the cooling cylinder 4, which is opposite to the water inlet pipe 7, the water outlet pipe 9 is distributed higher.
Referring to fig. 1 and fig. 2, in order to collect the water outlet pipe 9, one end of the water outlet pipe 9 far away from the cooling cylinder 4 extends into the side wall of the support frame 8, one side of the support frame 8 near the water inlet pipe 7 is connected with a cold water tank 10 placed on the ground, the cold water tank 10 is connected with a water pump 11 placed on the ground, the side wall of the support frame 8 near the water outlet pipe 9 is provided with a water outlet pipe 12, the water outlet pipe 9 of the water inlet pipe 7 is respectively positioned in two sides of the support frame 8, the water outlet pipe 9 and the water outlet pipe 12 are both distributed on one side opposite to the water inlet pipe 7, the water pump 11 is started, the water in the water inlet pipe 7 passes through one side of the support frame 8 and is discharged into the cooling cylinder 4, then the water outlet pipe 9 discharges the water with heat into one side of the support frame 8 opposite to the water, in addition, the water inlet pipe 7 and the water outlet pipe 9 can be opened simultaneously, so that the water can be recycled, and the efficiency is improved.
As shown in fig. 1, in order to cool the water discharged from the water discharge pipe 12 and then recycle the water into the cooling cylinder 4, one end of the water discharge pipe 12, which is far away from the support frame 8, is connected with a return tank 15, the side wall of the return tank 15 is communicated with a return pipe 16, one end of the return pipe 16, which is far away from the return tank 15, is connected to the cold water tank 10, the return pipe 16 is provided with a second stop valve 17, the water discharge pipe 12 discharges the water, the water sequentially passes through the return pipe 16 and the return tank 15, and after the water in the return tank 15 is cooled, the.
As shown in fig. 1, as shown in fig. 3, in order to rapidly cool the water in the return box 15, a refrigeration device for cooling the water in the return box 15 is arranged on the return box 15, the refrigeration device comprises a coiled pipe 18, one end of the coiled pipe 18 is connected to one end of the drain pipe 12, the other end of the coiled pipe extends into the return box 15, a long-strip-shaped air conditioning hole 19 is formed in the return box 15 along the length direction of the return box 15, an exhaust fan 20 for exhausting air from the air conditioning hole 19 is arranged at the upper end of the return box 15, the water with heat flows into the drain pipe 12 and then passes through the coiled pipe 18, the water flow speed can be slowed down by the coiled pipe 18, the cooling speed of the water is accelerated, the exhaust fan 20 is started, the exhaust fan 20 is aligned with the.
As shown in fig. 4, the water in the return tank 15 is further cooled to improve the cooling efficiency, and a plurality of cooling fins 21 are provided on the outer wall of the return tank 15.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides an inner skleeve cooling system of extruding machine, includes feeder hopper (1), feeder hopper (1) lower extreme is equipped with barrel (2), be equipped with extrusion screw (3) in barrel (2), characterized by: the outer wall circumference cover that screw rod (3) are close to feeder hopper (1) is equipped with confined cooling cylinder (4), cooling cylinder (4) are including first sleeve (5) and second sleeve (6), first sleeve (5) are worn to establish in second sleeve (6), feeder hopper (1) pass cooling cylinder (4) and stretch into in barrel (2), be equipped with inlet tube (7) that stretch into in second sleeve (6) on cooling cylinder (4), inlet tube (7) set up on being close to cooling cylinder (4) bottom, be equipped with the drainage device who makes rivers go out cooling cylinder (4) on cooling cylinder (4).
2. The cooling system for the inner sleeve of the extruder of claim 1, wherein: the drainage device comprises a hollow support frame (8), a partition plate (22) is arranged in the support frame (8) along the length direction of the support frame (8), the clapboard (22) divides the supporting frame (8) into two parts, the machine barrel (2) is placed on the supporting frame (8), one end of the water inlet pipe (7) far away from the cooling cylinder (4) extends into the support frame (8), a water outlet pipe (9) which is arranged close to the top end of the cooling cylinder (4) is arranged at one side of the cooling cylinder (4) corresponding to the water inlet pipe (7), one end of the water outlet pipe (9) far away from the cooling cylinder (4) extends into the side wall of the support frame (8) far away from the water inlet pipe (7), one side of the support frame (8) close to the water inlet pipe (7) is connected with a cold water tank (10) placed on the ground, the cold water tank (10) is connected with a water pump (11) placed on the ground, and a drain pipe (12) is arranged on the side wall of the support frame (8) close to the water outlet pipe (9).
3. The cooling system for the inner sleeve of the extruder of claim 1, wherein: cooling cylinder (4) winding has snakelike water pipe (13), snakelike water pipe (13) one end is connected on support frame (8) are close to the inner wall of inlet tube (7), and the other end is for not having the bottom structure and stretching into in cooling cylinder (4).
4. The cooling system for the inner sleeve of the extruder of claim 3, wherein: the water inlet pipe (7) and the water outlet pipe (9) are both provided with a first stop valve (14).
5. The cooling system for the inner sleeve of the extruder of claim 2, wherein: the water cooling device is characterized in that one end, far away from the support frame (8), of the drain pipe (12) is connected with a return tank (15), the side wall of the return tank (15) is communicated with a return pipe (16), one end, far away from the return tank (15), of the return pipe (16) is connected to the cold water tank (10), a second stop valve (17) is arranged on the return pipe (16), and a refrigerating device for cooling water in the return tank (15) is arranged on the return tank (15).
6. The cooling system for the inner sleeve of the extruder of claim 5, wherein: refrigerating plant includes coiled pipe (18), coiled pipe (18) one end is connected and is served at drain pipe (12), and the other end stretches into in flow back box (15), set up long-strip-shaped cold gas pocket (19) along flow back box (15) length direction on flow back box (15), flow back box (15) upper end is equipped with air exhauster (20) of bleeding from cold gas pocket (19).
7. The cooling system for the inner sleeve of the extruder of claim 6, wherein: the outer wall of the return box (15) is provided with a plurality of radiating fins (21).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921791250.6U CN211542316U (en) | 2019-10-23 | 2019-10-23 | Inner sleeve cooling system of extruding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921791250.6U CN211542316U (en) | 2019-10-23 | 2019-10-23 | Inner sleeve cooling system of extruding machine |
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CN211542316U true CN211542316U (en) | 2020-09-22 |
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CN201921791250.6U Active CN211542316U (en) | 2019-10-23 | 2019-10-23 | Inner sleeve cooling system of extruding machine |
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CN (1) | CN211542316U (en) |
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2019
- 2019-10-23 CN CN201921791250.6U patent/CN211542316U/en active Active
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