CN213533734U

CN213533734U - Plastic extrusion device capable of adjusting temperature

Info

Publication number: CN213533734U
Application number: CN202022494984.7U
Authority: CN
Inventors: 张福国
Original assignee: Guangzhou Chaoqun Industrial Co Ltd
Current assignee: Guangzhou Chaoqun Industrial Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-06-25
Anticipated expiration: 2030-11-02

Abstract

The utility model belongs to the technical field of plastics processing and specifically relates to a plastics extrusion device that can adjust temperature is related to, it includes the barrel, the barrel lateral wall is provided with a plurality of and follows the heating pipe that barrel length direction interval set up, be provided with on the barrel and be used for measuring the temperature measurement piece of the inside temperature of barrel, adjacent two be provided with the cooling subassembly between the heating pipe, be provided with the control box on the barrel, the control box with temperature measurement piece communication connection, the control box with the cooling subassembly electricity is connected. The application has the advantages of reducing the higher temperature of the extruder in the extrusion process, and properly heating the raw materials before extrusion, thereby ensuring the quality of the extruded product.

Description

Plastic extrusion device capable of adjusting temperature

Technical Field

The application relates to the field of plastic processing, in particular to a temperature-adjustable plastic extrusion device.

Background

In the plastic extrusion molding equipment, the plastic extruder is generally called a main machine, and the subsequent equipment matched with the plastic extruder is called an auxiliary machine. After the development of the plastic extruder for more than 100 years, multiple types of double screws, multiple screws and even no screws and the like are derived from the original single screw. The plastic extruder (main machine) can be matched with various plastic forming auxiliary machines for pipe material, film, bar material, monofilament, flat filament, packing belt, extruding net, plate (sheet) material, profiled bar, granulating and cable covering, etc. to form various plastic extrusion forming production lines to produce various plastic products.

The existing plastic extruder is provided with the heating assembly, and when the plastic extruder works, the heating assembly immediately starts to heat and melt raw materials in the machine barrel, so that the next extrusion process is conveniently carried out.

In view of the above-mentioned related art, the inventors believe that there is a possibility that the temperature of the existing extruder during extrusion may be too high, resulting in excessive heating of the raw material before extrusion, thereby affecting the quality of the extruded product.

SUMMERY OF THE UTILITY MODEL

In order to reduce the higher temperature of extruder in the extrusion process, make the raw materials heat in the moderate degree before extruding to guarantee the quality of extrusion product, this application provides a plastics extrusion device that can adjust temperature.

The application provides a but plastics extrusion device of temperature regulation adopts following technical scheme:

the utility model provides a plastics extrusion device that can adjust temperature, includes the barrel, the barrel lateral wall is provided with a plurality of and follows the heating pipe that barrel length direction interval set up, be provided with on the barrel and be used for measuring the temperature measurement piece of the inside temperature of barrel, adjacent two be provided with the cooling subassembly between the heating pipe, be provided with the control box on the barrel, the control box with temperature measurement piece communication connection, the control box with the cooling subassembly electricity is connected.

Through adopting above-mentioned technical scheme, the during operation, the control box receives the temperature that the temperature measurement piece recorded, and when the high temperature, the control box starts the cooling subassembly, cools down to the barrel through the cooling subassembly to reduce the higher temperature of extruder in the extrusion process, make the raw materials moderately heat before extruding, thereby guarantee the quality of extruding the product.

Preferably, the cooling assembly comprises an annular heat dissipation flat pipe arranged in an open-loop mode on the machine barrel, the annular heat dissipation flat pipe is fixedly sleeved on the machine barrel, a water tank is arranged on one side of the machine barrel, a water pump is communicated with one side of the water tank, the water outlet end of the water pump is synchronously communicated to a plurality of one end opening and the other end of the annular heat dissipation flat pipe are communicated to the top of the water tank.

Through adopting above-mentioned technical scheme, start the water pump, the water pump is pumped to a plurality of annular heat dissipation flat pipe from the water tank with water, and the water return tank that flows back circulates again, so can be comparatively even cool down the barrel.

Preferably, baffles are arranged in the annular heat dissipation flat tubes along the arc length directions of the annular heat dissipation flat tubes, so that the interiors of the annular heat dissipation flat tubes are divided into a first channel and a second channel, the first channel is communicated with the water pump, a blower is further arranged on one side of the machine barrel, and the air outlet end of the blower is communicated with a plurality of openings at one end of the second channel.

Through adopting above-mentioned technical scheme, the interior partition of annular heat dissipation flat pipe is first passageway and second passageway, and water is led to the first passageway, and the second passageway is ventilated, but synchronous start water pump and air exhauster during the use can accelerate cooling efficiency, if need not cool down at the excessive speed, can select only to start water pump or hair-dryer can.

Preferably, a liquid separation head is arranged between the plurality of annular flat heat dissipation pipes and the water pump, a water inlet of the liquid separation head is communicated with the water pump, a plurality of water outlets of the liquid separation head are communicated with one end openings of the first channels of the plurality of annular flat heat dissipation pipes in a one-to-one correspondence manner, and the other end openings of the plurality of annular flat heat dissipation pipes are communicated with a water collection pipe which is communicated to the water tank.

Through adopting above-mentioned technical scheme, utilize the liquid separation head as far as with the synchronous leading-in a plurality of annular heat dissipation flat tube of water, ensure the synchronism of cooling, improve the radiating effect, the structure has been simplified in the setting of collector pipe simultaneously, facilitates the use.

Preferably, the blower is communicated with a flow dividing head, the flow dividing head has the same structure as the liquid dividing head, a plurality of air outlets of the flow dividing head are communicated with a plurality of openings at one end of the second channel in a one-to-one correspondence manner, and an exhaust pipe is communicated with an opening at the other end of each second channel.

Through adopting above-mentioned technical scheme, the setting of reposition of redundant personnel head ensures that the hair-dryer is synchronous with the leading-in second passageway of air, has improved the heat dissipation homogeneity equally, further improves the device performance.

Preferably, a copper sleeve is further arranged between the annular flat heat dissipation pipe and the machine barrel, and two sides of the copper sleeve are close to the heating pipe.

Through adopting above-mentioned technical scheme, copper sheathing's setting has increased the area of contact between annular flat heat dissipation pipe and the barrel to improve heat transfer efficiency.

Preferably, the outer side surface of the heating pipe is wrapped with a heat insulation sleeve.

Through adopting above-mentioned technical scheme, the setting of radiation shield can separate heating pipe and cooling subassembly, avoids both to interfere with each other.

Preferably, a plurality of radiating fins are arranged on the periphery of the water tank.

Through adopting above-mentioned technical scheme, being provided with of fin does benefit to the water in the water tank and dispels the heat to guarantee the cooling effect of cooling subassembly to the barrel.

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

1. when the extruder is in work, the control box receives the temperature measured by the temperature measuring part, and when the temperature is too high, the control box starts the cooling assembly to cool the barrel through the cooling assembly, so that the higher temperature of the extruder in the extrusion process is reduced, the raw materials are properly heated before being extruded, and the quality of extruded products is ensured;

2. starting a water pump, pumping water from a water tank to a plurality of annular heat dissipation flat pipes by the water pump, and then returning the water to the water tank for circulation, so that the machine barrel can be uniformly cooled;

3. the interior partition of flat pipe of annular heat dissipation is first passageway and second passageway, and water is led to first passageway, and the second passageway is ventilated, but synchronous start water pump and air exhauster during the use can accelerate cooling efficiency, if need not cool down at the excessive speed, can select only to start water pump or hair-dryer can.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of a temperature-adjustable plastic extrusion device according to the present application.

Fig. 2 is a schematic structural diagram of a cooling assembly in an embodiment of a plastic extrusion apparatus capable of adjusting temperature according to the present application.

Fig. 3 is an enlarged schematic view of a portion a of fig. 1.

Description of reference numerals: 1. a frame; 11. a control box; 2. a barrel; 21. an extrusion nozzle; 22. a drive motor; 23. a feed hopper; 3. a heat insulating sleeve; 4. a temperature sensor; 5. a cooling assembly; 51. an annular flat heat dissipation pipe; 511. a baffle plate; 512. a first channel; 513. a second channel; 52. a copper sleeve; 6. a water tank; 61. a heat sink; 62. a water pump; 63. a liquid separation head; 631. a water inlet; 632. a water outlet; 64. a liquid separating pipe; 65. a water collection pipe; 7. a blower; 71. a flow dividing head; 711. an air outlet; 72. a shunt tube; 73. and (4) exhausting the gas.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a temperature-adjustable plastic extrusion device. Referring to fig. 1, the temperature-adjustable plastic extrusion device comprises a barrel 2 which is fixedly arranged on a rack 1 and is horizontally arranged, one end of the barrel 2 is provided with an extrusion nozzle 21, the other end of the barrel 2 is provided with a driving motor 22, a feed hopper 23 is vertically arranged on the barrel 2, and the feed hopper 23 is positioned on one side of the barrel 2 close to the driving motor 22. The outer side wall of the machine barrel 2 is provided with a plurality of heating pipes (not shown in the figure) which are uniformly arranged along the length direction of the machine barrel 2 at intervals, in this embodiment, the number of the heating pipes can be five, five heating pipes are positioned between the feed hopper 23 and the extrusion nozzle 21, the five heating pipes are uniformly arranged at intervals, the five heating pipes are connected to an external power supply in parallel, and the interior of the machine barrel 2 is heated after being electrified. And meanwhile, the outer side surface of the heating pipe is wrapped with a heat insulation sleeve 3, and the heat insulation sleeve 3 is fixedly connected to the outer side wall of the machine barrel 2.

Referring to fig. 1, a temperature measuring part for measuring the internal temperature of the cylinder 2 is vertically arranged on the cylinder 2, the temperature measuring part is a temperature sensor 4, after the temperature sensor 4 penetrates through the cylinder 2, the temperature measuring surface of the temperature sensor 4 is flush with the inner side wall of the cylinder 2, and the temperature sensor 4 is located in the middle of the cylinder 2; meanwhile, a control box 11 is arranged on the rack 1, and the control box 11 is in communication connection with the temperature sensor 4.

Referring to fig. 1 and fig. 2, be provided with cooling assembly 5 between two adjacent heating pipes, in this embodiment, cooling assembly 5's quantity is four groups, every cooling assembly 5 of group is including setting up the annular flat heat dissipation pipe 51 that is the ring-opening setting on barrel 2, the ring-opening position of annular flat heat dissipation pipe 51 is located one side of barrel 2, annular flat heat dissipation pipe 51 has cup jointed on barrel 2, and simultaneously, still be provided with copper sleeve 52 between annular flat heat dissipation pipe 51 and barrel 2, copper sleeve 52 is fixed cup joint with on the barrel 2 lateral wall, copper sleeve 52's both sides are close to heat insulating cover 3, thereby increase the area of contact of annular flat heat dissipation pipe 51 and barrel 2, and the heat transfer efficiency is improved. In this embodiment, the flat annular heat dissipating pipe 51 is provided with a baffle 511 along the arc length direction of the flat annular heat dissipating pipe 51, so as to divide the interior of the flat annular heat dissipating pipe 51 into a first passage 512 and a second passage 513.

Referring to fig. 1 and 3, a water tank 6 is vertically disposed at one side of the cylinder 2, and a plurality of cooling fins 61 are disposed at opposite sides of the water tank 6. One side of the water tank 6 is communicated with a water pump 62, the water pump 62 is electrically connected with the control box 11, the water outlet end of the water pump 62 is communicated with a vertically arranged liquid separation head 63, the water inlet 631 of the liquid separation head 63 faces downwards, the water outlet end of the water pump 62 is communicated with the water inlet 631 of the liquid separation head 63, four water outlets 632 of the liquid separation head 63 are arranged, each water outlet 632 corresponds to one first channel 512 of one annular heat dissipation flat pipe 51 and is communicated with one end opening of the corresponding first channel 512 of the annular heat dissipation flat pipe 51 through a liquid separation pipe 64, the liquid separation pipe 64 is communicated with one end opening of the first channel 512 close to the lower end of the rack 1, the other end openings of the four annular heat dissipation flat pipes 51 are communicated with a water collection pipe 65, and the water collection pipe 65 is communicated with the top of the.

Referring to fig. 1 and fig. 3, at the same time, a blower 7 is further disposed on one side of the machine barrel 2, the blower 7 is electrically connected to the control box 11, an air outlet end of the blower 7 is communicated with a flow dividing head 71, the flow dividing head 71 and the liquid dividing head 63 have the same structure, four air outlets 711 of the flow dividing head 71 correspond to one openings of one ends of four second channels 513 one by one and are communicated with each other through a flow dividing pipe 72, an air exhaust pipe 73 is communicated with an opening of the other end of each second channel 513, the air exhaust pipe 73 is disposed vertically upward, and of course, each air exhaust pipe 73 may also be communicated to an air collecting pipe (.

The implementation principle of the temperature-adjustable plastic extrusion device in the embodiment of the application is as follows: when the temperature sensor works, the control box 11 receives the temperature measured by the temperature sensor 4, when the temperature is too high, the control box 11 starts the water pump 62 and the blower 7, the water pump 62 pumps water from the water tank 6 to the liquid separation head 63, the water is divided into four strands through the liquid separation head 63, and the four strands of water synchronously flow to the four annular flat heat dissipation pipes 51 along the liquid separation pipe 64 and then flow back to the water tank 6 from the water collection pipe 65 for circulation; meanwhile, the blower 7 blows the wind into the second passage 513 along the shunt pipe 72 through the shunt head 71, and after being discharged through the exhaust pipe 73, the wind blown into the second passage 513 accelerates the flow rate of the air flow in the second passage 513, brings out heat, and thereby lowers the temperature; if the temperature does not need to be cooled too fast, only the water pump 62 or the blower 7 can be started.

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. The utility model provides a plastics extrusion device that can adjust temperature which characterized in that: including barrel (2), barrel (2) lateral wall is provided with a plurality of and follows the heating pipe that barrel (2) length direction interval set up, be provided with on barrel (2) and be used for measuring the temperature measurement piece of barrel (2) inside temperature, adjacent two be provided with cooling subassembly (5) between the heating pipe, be provided with control box (11) on barrel (2), control box (11) with temperature measurement piece communication connection, control box (11) with cooling subassembly (5) electricity is connected.

2. A temperature adjustable plastic extrusion apparatus as claimed in claim 1, wherein: cooling subassembly (5) including set up in be the flat pipe of annular heat dissipation (51) of ring-opening setting on barrel (2), flat pipe of annular heat dissipation (51) cup joint be fixed in on barrel (2), one side of barrel (2) is provided with water tank (6), one side intercommunication of water tank (6) has water pump (62), the play water end of water pump (62) communicates to a plurality of in step the one end opening of flat pipe of annular heat dissipation (51), a plurality of the other end of flat pipe of annular heat dissipation (51) communicates to the top of water tank (6).

3. A temperature adjustable plastic extrusion apparatus as claimed in claim 2, wherein: annular flat heat dissipation pipe (51) inside edge the arc length direction of annular flat heat dissipation pipe (51) is provided with plate washer (511), thereby will the inside partition of annular flat heat dissipation pipe (51) is first passageway (512) and second passageway (513), first passageway (512) intercommunication water pump (62), one side of barrel (2) still is provided with hair-dryer (7), the air-out end of hair-dryer (7) communicates a plurality of the one end opening of second passageway (513).

4. A temperature adjustable plastic extrusion apparatus as claimed in claim 3, wherein: a plurality of flat pipe of annular heat dissipation (51) with be provided with between water pump (62) and divide liquid head (63), divide water inlet (631) of liquid head (63) with water pump (62) are linked together, divide a plurality of delivery port (632) and a plurality of liquid head (63) the one end opening one-to-one of first passageway (512) of flat pipe of annular heat dissipation (51) communicates, a plurality of the other end opening of flat pipe of annular heat dissipation (51) communicates jointly has collector pipe (65), collector pipe (65) communicate to water tank (6).

5. A temperature adjustable plastic extrusion apparatus as claimed in claim 4, wherein: the blower (7) is communicated with a flow dividing head (71), the flow dividing head (71) is identical to the liquid dividing head (63), a plurality of air outlets (711) of the flow dividing head (71) are communicated with a plurality of openings at one end of the second channel (513) in a one-to-one correspondence mode, and an exhaust pipe (73) is communicated with an opening at the other end of the second channel (513).

6. A temperature adjustable plastic extrusion apparatus as claimed in claim 2, wherein: a copper sleeve (52) is further arranged between the annular flat heat dissipation pipe (51) and the machine barrel (2), and two sides of the copper sleeve (52) are close to the heating pipe.

7. A temperature adjustable plastic extrusion apparatus as claimed in claim 1, wherein: the outer side surface of the heating pipe is wrapped with a heat insulation sleeve (3).

8. A temperature adjustable plastic extrusion apparatus as claimed in claim 2, wherein: the periphery of the water tank (6) is provided with a plurality of radiating fins (61).