CN217916695U

CN217916695U - Cooling device of plastic net extruding machine

Info

Publication number: CN217916695U
Application number: CN202221709339.5U
Authority: CN
Inventors: 滕国民; 陈建江
Original assignee: Shaoxing Naite Plastics Co ltd
Current assignee: Shaoxing Naite Plastics Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-11-29
Anticipated expiration: 2032-07-01

Abstract

The application relates to a cooling device of plastic net extruding machine, it is including the cooler bin that is used for cooling off the plastic net, the coolant liquid has been placed in the cooler bin, be provided with on the cooler bin be used for with the heat exhaust cooling body of the coolant liquid in the cooler bin, cooling body includes first pump, first case and first pipe, first case sets up one side of cooler bin, the coolant liquid is equipped with in the first case, the one end of first pipe with first case is connected, and the other end is followed the one end of cooler bin penetrates the cooler bin, and follows the other end of cooler bin is worn out the cooler bin, first pump sets up on the first pipe, first pump is used for with coolant liquid in the first case is taken out. This application can reduce the change of coolant liquid temperature in the cooler bin, has the effect that reduces the influence to the cooling effect of follow-up plastic net.

Description

Cooling device of plastic net extruding machine

Technical Field

The application relates to the field of plastic net processing, in particular to a cooling device of a plastic net extruding machine.

Background

The plastic net has wide application range, can be used for packaging materials, can also be used for producing automobile backrests, air conditioner nets, roadbed nets and the like, and is usually produced by using an extruding machine.

In the related art, plastic raw materials are heated and melted in an extruder and extruded by a screw into a special rotary machine head provided with inner and outer dies with a plurality of small holes. The molten plastic flows through the die orifices to form two molten strands. The two strands of material filaments are intermittently converged at one point due to the rotation of the machine head, so that a network is formed, and then the network is formed through cooling and shaping. The plastic web is cooled, usually by means of a cooling tank containing a cooling liquid, and after the plastic web has been formed, it is immersed in the cooling tank.

After the cooling liquid in the cooling box is used for a long time, the temperature can be gradually increased due to the fact that heat in the plastic net is absorbed, the subsequent plastic net cooling effect is poor, and therefore the quality of the produced plastic net is affected.

SUMMERY OF THE UTILITY MODEL

To reduce the variation in the temperature of the cooling liquid in the cooling tank, a cooling apparatus for a plastic web extruder is provided.

The application provides a cooling device of plastic net extruding machine adopts following technical scheme:

a cooling device of a plastic net extruding machine comprises a cooling box used for cooling a plastic net, wherein cooling liquid is placed in the cooling box, a cooling mechanism used for discharging heat of the cooling liquid in the cooling box is arranged on the cooling box, the cooling mechanism comprises a first pump, a first box and a first pipe, the first box is arranged on one side of the cooling box, the cooling liquid is filled in the first box, one end of the first pipe is connected with the first box, the other end of the first pipe penetrates into the cooling box from one end of the cooling box and penetrates out of the cooling box from the other end of the cooling box, the first pump is arranged on the first pipe, and the first pump is used for pumping out the cooling liquid in the first box.

By adopting the technical scheme, the formed plastic net is immersed into the cooling box during working, so that the plastic net is cooled. Meanwhile, start the first pump, take the coolant liquid in the first case out, make the coolant liquid in the first case discharge into in the first pipe, thereby the temperature of first pipe has been reduced, make the heat in the coolant liquid in the cooler box enter into the coolant liquid in the first pipe through first pipe, when the coolant liquid in the first pipe leaves the cooler box, also take away the heat of the coolant liquid in the cooler box, thereby the coolant liquid in the cooler box has been cooled down, the effectual change that reduces the coolant liquid temperature in the cooler box, the influence to the cooling effect of subsequent plastic mesh has been reduced, thereby the quality of plastic mesh has been improved.

Optionally, the portion of the first tube located in the cooling tank is shaped like a serpentine tube.

Through adopting above-mentioned technical scheme, increased the area of contact of first pipe with the coolant liquid in the cooler bin, improved the radiating effect to the coolant liquid in the cooler bin.

Optionally, a second tank is disposed at one end of the cooling tank, and one side of the first pipe, which is far away from the first tank, is connected to the second tank.

Through adopting above-mentioned technical scheme, utilize the second case to collect the exhaust coolant liquid in the first pipe, avoid polluting causing the influence to operational environment, rational in infrastructure.

Optionally, a second pipe is connected to a side wall of the second tank, one end of the second pipe, which is far away from the second tank, is connected to a cooling tower, the second pipe is connected to a hot water inlet of the cooling tower, a second pump is arranged on the second pipe, the second pump is used for pumping out liquid in the second tank, a cold water outlet of the cooling tower is connected to a third pipe, one end of the third pipe, which is far away from the cooling tower, is connected to the first tank, a third pump is arranged on the third pipe, and the third pump is used for introducing liquid discharged from a cold water outlet of the cooling tower into the first tank.

Through adopting above-mentioned technical scheme, utilize second pump and second pipe to let in the cooling tower with the liquid in the second case, after the cooling liquid cooling that the cooling tower will enter into in the cooling tower, discharge the good cooling liquid that cools down through the cold water discharge port, then utilize third pump and third pipe to lead to the first case with the cooling liquid that the cooling tower was discharged back to carry out recycle to the cooling liquid in the first case, the effectual wasting of resources that has reduced.

Optionally, be provided with many first net rollers of leading in the cooler bin, many first net roller of leading is followed cooler bin length direction evenly distributed, many are walked around in proper order to the plastic net first net roller of leading.

Through adopting above-mentioned technical scheme, many first guide wire rollers have increased the cooling time to the plastic net to improve the cooling effect to the plastic net, it is rational in infrastructure.

Optionally, be provided with many second in the cooler bin and lead the wire roller, many the second is led the wire roller and is followed cooler bin length direction evenly distributed, the second is led the wire roller and is located the below of first wire roller is led, many first wire roller with the second is led the wire roller and is followed cooler bin length direction interval is distributed in turn, and the plastic mesh is walked around in proper order first wire roller with the second is led the wire roller.

Through adopting above-mentioned technical scheme, the second is led the net roller and has been increased the length of plastic net in the cooler bin to increased the cooling time to the plastic net, the effectual cooling effect that improves the plastic net.

Optionally, a first hole is formed in one of the outer side walls of the cooling box, a second hole communicated with the inside of the cooling box is formed in the bottom of the first hole, a supporting surface is formed between the first hole and the second hole, the first pipe sequentially passes through the first hole and the second hole and extends into the cooling box, a sealing ring is arranged on the first pipe in a sliding fit manner, and the sealing ring abuts against the supporting surface and abuts against the side wall of the first hole.

Through adopting above-mentioned technical scheme, utilize the sealing washer to stretch into the part of cooler bin to first pipe and seal, the effectual cooling water that has reduced in the cooler bin is from the possibility that flows out in the first hole, rational in infrastructure.

Optionally, a clamping groove is formed in the side wall of the first hole, a clamping portion is arranged on the outer side wall of the sealing ring, and the clamping portion is clamped in the clamping groove.

Through adopting above-mentioned technical scheme, joint portion joint back in the joint groove for the sealing washer is fixed, has reduced the sealing washer when using from the possibility that drops in the first hole, has increased the seal simultaneously, rational in infrastructure.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first pump is started to pump out the cooling liquid in the first tank, so that the cooling liquid in the first tank is discharged into the first pipe, the temperature of the first pipe is reduced, heat in the cooling liquid in the cooling tank enters the cooling liquid in the first pipe through the first pipe, and the heat of the cooling liquid in the cooling tank is taken away while the cooling liquid in the first pipe leaves the cooling tank, so that the cooling liquid in the cooling tank is cooled, the temperature change of the cooling liquid in the cooling tank is effectively reduced, the influence on the subsequent cooling effect of the plastic net is reduced, and the quality of the plastic net is improved;

2. the liquid in the second tank is introduced into the cooling tower by using the second pump and the second pipe, the cooling tower cools the cooling liquid entering the cooling tower, the cooled cooling liquid is discharged through the cold water discharge port, and then the cooling liquid discharged by the cooling tower is introduced back into the first tank by using the third pump and the third pipe, so that the cooling liquid in the first tank is recycled, and the resource waste is effectively reduced;

3. utilize the sealing washer to stretch into the part of cooling tank to first pipe and seal, the effectual cooling water that has reduced in the cooling tank is from the possibility that flows out in the first hole, rational in infrastructure.

Drawings

Fig. 1 is a schematic perspective view of a cooling device of a plastic web extruder in the example of the present application.

Fig. 2 is a sectional view of the cooling tank, the first pipe, the first wire guide roller, and the second wire guide roller in the embodiment of the present application.

Fig. 3 is an enlarged view of fig. 2 at a in the embodiment of the present application.

Fig. 4 is a schematic perspective view of a first tube in an embodiment of the present application.

Description of the reference numerals: 1. a cooling tank; 11. a first web guide roller; 12. a second web guide roller; 13. a first hole; 131. a clamping groove; 14. a second hole; 15. a support surface; 2. a cooling mechanism; 21. a first pump; 22. a first tank; 23. a first tube; 3. a seal ring; 31. a clamping part; 4. a second tank; 41. a second tube; 42. a cooling tower; 43. a second pump; 44. a third tube; 45. and a third pump.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a cooling device of a plastic net extruding machine. Referring to fig. 1 and 2, a cooling apparatus of a plastic net extruder includes a cooling tank 1 for cooling a plastic net, the cooling tank 1 being placed on the ground, the cooling tank 1 being provided with an opening at a top end thereof, and a cooling liquid being placed in the cooling tank 1. Four first net guide rollers 11 and three second net guide rollers 12 are rotatably installed in the cooling box 1, the four first net guide rollers 11 are all located at the same horizontal height and are evenly distributed along the length direction of the cooling box 1, the three second net guide rollers 12 are all located at the same horizontal height and are evenly distributed along the length direction of the cooling box 1, the second net guide rollers 12 are located below the first net guide rollers 11, and the first net guide rollers 11 and the second net guide rollers 12 are alternately distributed along the length direction of the cooling box 1.

Referring to fig. 2 and 3, a first hole 13 is formed in the outer side wall of one end of the cooling box 1 along the length direction of the cooling box 1, a second hole 14 coaxial with the first hole 13 is formed in the bottom of the first hole 13, a supporting surface 15 is formed between the first hole 13 and the second hole 14, a clamping groove 131 is formed in the side wall of the first hole 13, and the clamping groove 131 is annular and coaxial with the first hole 13.

Referring to fig. 1, a cooling mechanism 2 for discharging heat of a coolant in a cooling tank 1 is disposed on the cooling tank 1, the cooling mechanism 2 includes a first pump 21, a first tank 22 and a first pipe 23, the first tank 22 is placed on the ground and located on one side of the cooling tank 1, the coolant is contained in the first tank 22, one end of the first pipe 23 is connected to the first tank 22, the other end of the first pipe extends into the cooling tank 1 through a first hole 13 and a second hole 14, and penetrates out of the cooling tank 1 from one end of the cooling tank 1 far away from the first hole 13, and the first pump 21 is mounted on the first pipe 23 and is used for pumping out the coolant in the first tank 22.

Referring to fig. 2 and 3, the first pipe 23 is provided with the sealing ring 3 in a sliding fit manner, the sealing ring 3 is annular and coaxial with the first pipe 23, a coaxial clamping portion 31 is integrally arranged on the outer side wall of the sealing ring 3, the sealing ring 3 is abutted against the supporting surface 15 and against the side wall of the first hole 13, the clamping portion 31 is clamped in the clamping groove 131, and the portion of the first pipe 23 penetrating out of the cooling box 1 is connected with the cooling box 1 in the same manner as the portion of the first pipe 23 extending into the cooling box 1 is connected with the cooling box 1.

Referring to fig. 4, the portion of the first tube 23 located in the cooling tank 1 has a serpentine tubular shape.

Referring to fig. 1, one end of the first pipe 23 away from the first tank 22 is connected to a second tank 4, the second tank 4 is located at one end of the cooling tank 1, a second pipe 41 is connected to the second tank 4, one end of the second pipe 41 away from the second tank 4 is connected to a cooling tower 42, and the second pipe 41 is connected to a hot water inlet of the cooling tower 42. A second pump 43 is attached to the second pipe 41, and the second pump 43 is used to pump out the coolant in the second tank 4. The cold water outlet of the cooling tower 42 is connected with a third pipe 44, one end of the third pipe 44 far away from the cooling tower 42 is connected with the first tank 22, a third pump 45 is installed on the third pipe 44, and the third pump 45 is used for leading the cooling liquid discharged from the cold water outlet of the cooling tower 42 into the first tank 22.

The cooling device of the plastic net extruding machine in the embodiment of the application is implemented by the following principle: in operation, the formed plastic web is immersed in the cooling box 1 and passed around the first and second web guide rolls 11 and 12 in sequence, thereby cooling the plastic web. Meanwhile, the first pump 21 is started, the cooling liquid in the first tank 22 is pumped out, the cooling liquid in the first tank 22 is discharged into the first pipe 23, the temperature of the first pipe 23 is reduced, heat in the cooling liquid in the cooling tank 1 enters the cooling liquid in the first pipe 23 through the first pipe 23, the cooling liquid in the first pipe 23 leaves the cooling tank 1, meanwhile, the heat of the cooling liquid in the cooling tank 1 is taken away, the cooling liquid in the cooling tank 1 is cooled, the temperature change of the cooling liquid in the cooling tank 1 is effectively reduced, the influence on the subsequent cooling effect of the plastic net is reduced, and the quality of the plastic net is improved.

The liquid in the second tank 4 is introduced into the cooling tower 42 by the second pump 43 and the second pipe 41, the cooling tower 42 cools the cooling liquid entering the cooling tower 42, the cooled cooling liquid is discharged through the cold water discharge port, and then the cooling liquid discharged from the cooling tower 42 is introduced back into the first tank 22 by the third pump 45 and the third pipe 44, so that the cooling liquid in the first tank 22 is recycled, and the waste of resources is effectively reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A cooling apparatus for a plastic web extruder, comprising: the cooling device comprises a cooling box (1) for cooling a plastic net, cooling liquid is placed in the cooling box (1), a cooling mechanism (2) for discharging heat of the cooling liquid in the cooling box (1) is arranged on the cooling box (1), the cooling mechanism (2) comprises a first pump (21), a first box (22) and a first pipe (23), the first box (22) is arranged on one side of the cooling box (1), the cooling liquid is filled in the first box (22), one end of the first pipe (23) is connected with the first box (22), the other end of the first pipe penetrates into the cooling box (1) from one end of the cooling box (1) and penetrates out of the cooling box (1) from the other end of the cooling box (1), the first pump (21) is arranged on the first pipe (23), and the first pump (21) is used for pumping out the cooling liquid in the first box (22).

2. The cooling apparatus of a plastic web extruder as claimed in claim 1, wherein: the portion of the first tube (23) located in the cooling box (1) is shaped like a serpentine tube.

3. A cooling apparatus in a plastic web extruder as claimed in claim 2, wherein: one end of the cooling box (1) is provided with a second box (4), and one side of the first pipe (23) far away from the first box (22) is connected with the second box (4).

4. A cooling apparatus of a plastic net extruder as claimed in claim 3, wherein: the side wall of the second box (4) is connected with a second pipe (41), one end, far away from the second box (4), of the second pipe (41) is connected with a cooling tower (42), the second pipe (41) is connected with a hot water inlet of the cooling tower (42), a second pump (43) is arranged on the second pipe (41), the second pump (43) is used for pumping out liquid in the second box (4), a cold water outlet of the cooling tower (42) is connected with a third pipe (44), one end, far away from the cooling tower (42), of the third pipe (44) is connected with the first box (22), a third pump (45) is arranged on the third pipe (44), and the third pump (45) is used for introducing liquid discharged from the cold water outlet of the cooling tower (42) into the first box (22).

5. A cooling apparatus in a plastic web extruder as claimed in claim 1, wherein: be provided with many first guide wire rollers (11) in cooler bin (1), many first guide wire roller (11) are followed cooler bin (1) length direction evenly distributed, and many are walked around in proper order to the plastic net first guide wire roller (11).

6. The cooling apparatus of a plastic web extruder as claimed in claim 5, wherein: be provided with many second in cooler bin (1) and lead wire roller (12), many second is led wire roller (12) and is followed cooler bin (1) length direction evenly distributed, second is led wire roller (12) and is located the below of first wire roller (11), many first wire roller (11) of leading with second is led wire roller (12) and is followed cooler bin (1) length direction interval distributes in turn, and the plastic mesh is walked around in proper order first wire roller (11) of leading with second is led wire roller (12).

7. The cooling apparatus of a plastic web extruder as claimed in claim 1, wherein: the cooling box is characterized in that a first hole (13) is formed in one outer side wall of the cooling box (1), a second hole (14) communicated with the inside of the cooling box (1) is formed in the bottom of the first hole (13), a supporting surface (15) is formed between the first hole (13) and the second hole (14), a first pipe (23) sequentially penetrates through the first hole (13) and the second hole (14) and stretches into the cooling box (1), a sealing ring (3) is arranged on the first pipe (23) in a sliding fit mode, and the sealing ring (3) abuts against the supporting surface (15) and abuts against the side wall of the first hole (13).

8. The cooling apparatus of a plastic web extruder as claimed in claim 7, wherein: the sealing ring is characterized in that a clamping groove (131) is formed in the side wall of the first hole (13), a clamping portion (31) is arranged on the outer side wall of the sealing ring (3), and the clamping portion (31) is clamped in the clamping groove (131).