CN208197532U - Heating apparatus for plastic extruder - Google Patents

Heating apparatus for plastic extruder Download PDF

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Publication number
CN208197532U
CN208197532U CN201820761406.5U CN201820761406U CN208197532U CN 208197532 U CN208197532 U CN 208197532U CN 201820761406 U CN201820761406 U CN 201820761406U CN 208197532 U CN208197532 U CN 208197532U
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oil
machine pipe
hot oil
cold
hot
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CN201820761406.5U
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刘俊
摆晓俊
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Xinjiang Hua Ting Trade Co Ltd
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Xinjiang Hua Ting Trade Co Ltd
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Abstract

This patent belongs to plastic extruder technical field, specifically discloses the heating apparatus for plastic extruder, including heat exchange unit and head unit.Head unit includes lower hopper, the feed bin being set to below the lower hopper, the collet being set in outside feed bin；Heat exchange unit includes cold oil mechanism section, hot oil mechanism section and oleo cushion part.Cold oil mechanism section includes that sequentially connected cold oil goes out machine pipe, condenser, cold oil pump, cold oil into machine pipe；Hot oil mechanism section includes that sequentially connected hot oil goes out machine pipe, hot oil pump one, combustion gas thermo oil boiler, hot oil into machine pipe；The inflated bumper that oleo cushion part includes while being connected into machine pipe, hot oil into machine pipe with cold oil, expansion slot is connected with above inflated bumper, Lower tank is also connected with below expansion slot.The heating that more extruders are supplied using a high power gas thermo oil boiler may be implemented in the present apparatus, realizes the comprehensive utilization of the energy, avoids excessive energy loss.

Description

Heating apparatus for plastic extruder
Technical field
The utility model relates to extruder technology fields, and in particular to the heating apparatus of cross-head.
Background technique
Plastics heating fusing injection-moulding device, which refers to chat on the burning hot stock type of thermoplastic, utilizes mould for plastics support each The main molding equipment of the plastic products of kind shape.
Publication date 2017.11.24, publication number CN107379448A patent document disclose a kind of heating melting of waste plastics Change injection-moulding device, the heating method which uses is that heating device is equipped with inside injection-moulding device, and single machine is applied alone, can not achieve The centralizedly supply of heat.But present extrusion injection molding profile enterprise is all large-scale production, a more than extruder, so anxious It need to solve the problems, such as to concentrate output heat, supply respectively.
Utility model content
The purpose of this utility model is to provide a kind of heat concentrations to generate, supplies the device of extruder respectively.
In order to achieve the above objectives, the utility model provides the heating apparatus for being used for plastic extruder, including what is be connected by circulation Head unit and heat exchange unit, the head unit include lower hopper, the feed bin being set to below the lower hopper and are set in Collet outside the feed bin, the heat exchange unit include cold oil mechanism section, hot oil mechanism section and oleo cushion part；It is described Cold oil mechanism section includes that sequentially connected cold oil goes out machine pipe, condenser, cold oil pump and cold oil into machine pipe；The hot oil mechanism part Divide includes that sequentially connected hot oil goes out machine pipe, hot oil pump one, combustion gas thermo oil boiler and hot oil into machine pipe；The oleo cushion part packet The inflated bumper being connected into machine pipe and hot oil into machine pipe with the cold oil is included, is connected with above the inflated bumper swollen Swollen slot is also connected with Lower tank below the expansion slot；The cold oil goes out machine pipe, hot oil into machine pipe and heat into machine pipe, cold oil Oil goes out machine pipe and communicates simultaneously with the collet.
The principles of the present invention are: before plastic extruder blanking, first to the feed bin heat, then open it is described under Expect valve blanking.When needing to heat the feed bin, it should carry out as follows:
It is first connected to the head unit and hot oil mechanism section, forms hot-oil circulation channel.
Start the combustion gas thermo oil boiler, is then turned on the hot oil pump one, the conduction oil being heated continuously is enable to pass through institute It states hot oil and enters the collet into machine pipe, go out machine pipe further through the hot oil and return to the combustion gas thermo oil boiler.By adjusting described The flame of combustion gas thermo oil boiler controls the temperature of the feed bin to control the temperature of conduction oil so as to adjust the temperature of the collet.
When extruder will stop heating, first stop heating of the combustion gas thermo oil boiler to conduction oil, then stop the heat The conveying of oil pump a pair of conduction oil.
It is then turned off the head unit and hot oil mechanism section, cements out the conduction oil in the collet, hot oil Through the condenser, the oil temperature in the collet is reduced.
When hot oil and cold oil hypertonia in pipeline, oil can reach the expansion through the inflated bumper in pipeline Slot, the conduction oil condensed out flow to the Lower tank.
The utility model has the beneficial effects that: the combustion gas thermo oil boiler is relative to the heating device inside extruder, warm Amount supply power is substantially improved, and can meet more cross-head heat preservations in parallel simultaneously.
Scheme two, this is the preferred of basic scheme, and the cold oil is all connected to the collet into machine pipe and hot oil into machine pipe Side lower, the cold oil goes out machine pipe and hot oil goes out machine pipe and is all connected to collet side surface upper part, and the cold oil is into machine pipe and institute State cold oil and go out the two sides that machine pipe is located at the collet, the hot oil into machine pipe and the hot oil go out machine pipe be located at it is described The two sides of collet.
The principle and beneficial effect of this programme are: described in conduction oil is entered as the cold oil into machine pipe and hot oil into machine pipe Collet goes out machine pipe by the cold oil and hot oil goes out machine pipe and flows out the collet, and conduction oil can be full of the collet, to reach To the effect to the feed bin temperature even regulation.
Scheme three, this is the preferred of basic scheme, and the condensator outlet is provided with filter, one import of hot oil pump Equipped with filter.
The principle and beneficial effect of this programme are: the part that rotten carbonization is used for a long time in conduction oil can be filtered, It does not continue to recycle in pipeline, will not influence heating effect.
Scheme four, this is the preferred of basic scheme, is arranged with insulating layer outside the collet.
The principle and beneficial effect of this programme are: keeping the temperature of the collet not scatter and disappear, to guarantee the feed bin The temperature of middle plastics does not reduce.
Scheme five, this is the preferred of basic scheme, and the hot oil mechanism section is equipped with the heat in parallel with the hot oil pump one Oil pump two.The principle and beneficial effect of this programme are: since the temperature of conduction oil is higher, so hot oil pump damage in use Frequency can be higher, so two pumps can will not influence the normal use of extruder with a preparation and a use.
Scheme six, this is preferred for scheme five, is equipped with baffle in the expansion chamber.The principle of this programme and beneficial effect Fruit is: due to hypertonia, the cooling conduction oil for reaching the expansion slot, which climbs over the baffle, can just flow to the Lower tank, The above pipeline of inflated bumper described in this way has liquid phase heat-conduction oil to play the role of fluid-tight always.
Scheme seven, this is the preferred of basic scheme, and the both ends of the condenser are provided with pulsed conveyer and fire extinguisher is filled out Mechanism is filled, the tube side of the condenser is connected to the pulsed conveyer and fire extinguisher filling mechanism respectively.
The principle of this programme is: fritter dry ice is conveyed into the tube side, dry ice and conduction oil by the pulsed conveyer It exchanges heat in the condenser, distils as carbon dioxide gas, reach the fire extinguisher filling mechanism.
The beneficial effect of this programme is: the conduction oil come out to the collet condenses, and dry ice is also distilled, It is filled with fire extinguisher, creates certain economic benefit.
Scheme eight, this is preferred for scheme seven, and the tube side is provided with two-way in parallel.
The principle and beneficial effect of this programme are: tube side described in two-way in parallel is used interchangeably, a Cheng Suoshu tube side Dry ice gasifies, and tube side carbon dioxide described in another journey fills fire extinguisher, realizes Discrete control.
Scheme nine, this is the preferred of basic scheme, and the cold oil goes out machine pipe and is provided with repairing pipeline.
The principle and beneficial effect of this programme are: when total thermally conductive oil mass is reduced, can be supplemented by the repairing pipeline New conduction oil.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model for the heating apparatus of plastic extruder；
Fig. 2 is structural schematic diagram of the utility model for the heating apparatus head unit of plastic extruder；
Fig. 3 is condenser effect flow diagram of the utility model for the heating apparatus of plastic extruder.
Specific embodiment
The utility model is described in further detail below by specific embodiment:
Appended drawing reference in Figure of description includes: combustion gas thermo oil boiler 1, hot oil pump 1, hot oil pump 23, inflated bumper 4, expansion slot 5, baffle 51, Lower tank 6, condenser 7, oil inlet 701, dry ice valve 702, gas trap 703, tube side 704, oil export 705, pulsed conveyer 706, fire extinguisher filling mechanism 707, cold oil pump 8, cold oil go out machine pipe 10, repairing pipe into machine pipe 9, cold oil 101, hot oil goes out machine pipe 12, filter 13, lower hopper 14, baiting valve 15, valve 1, valve 2 17, valve into machine pipe 11, hot oil Door 3 18, valve 4 19, feed bin 20, collet 21, insulating layer 22.
Embodiment
Heating apparatus for plastic extruder includes heat exchange unit and head unit.Heat exchange unit includes cold oil mechanism part Divide, hot oil mechanism section, oleo cushion part.
As shown in Figure 1, cold oil mechanism section includes that sequentially connected cold oil goes out machine pipe 10, condenser 7, filter 13, cold Into machine pipe 9, cold oil is provided with repairing pipeline 101 into machine pipe 10 for oil pump 8, cold oil, guarantees the in due course supplement of total oil mass；Hot oil mechanism Part includes that sequentially connected hot oil goes out machine pipe 12, filter 13, hot oil pump 23 (hot oil pump 1), combustion gas thermo oil boiler 1, hot oil Into machine pipe 11；The inflated bumper 4 that oleo cushion part includes while being connected into machine pipe 9, hot oil into machine pipe 11 with cold oil, swollen The top of swollen buffer 4 is connected with expansion slot 5, Lower tank 6 is also connected in the lower section of expansion slot 5, in the centre of expansion slot 5 Equipped with baffle 51, the cold oil for reaching expansion slot 5, which climbs over baffle 51, can just flow to Lower tank 6, and such inflated bumper 4 is with upper tube Line has liquid phase heat-conduction oil to play the role of fluid-tight always.
As shown in Fig. 2, head unit include feed bin 20, positioned at the collet 21 of 20 outer layer of feed bin, positioned at jacketed 21 outer layer Insulating layer 22.Cold oil is connected to 21 side surface upper part of collet into machine pipe 9, hot oil into machine pipe 11, and cold oil goes out machine pipe 10, hot oil goes out machine pipe 12 are connected to 21 side lower of collet, and cold oil goes out the two sides that machine pipe 10 is located at collet 21 into machine pipe 9 and cold oil, hot oil into Machine pipe 11 and hot oil go out the two sides that machine pipe 12 is located at collet 21, in this way when hot oil or cold oil flow through collet 21, guarantee Conduction oil can be full of collet 21, guarantee that feed bin 20 is heated evenly.Insulating layer 22 is added in the outside of collet 21, ensure that The heat insulation effect of feed bin 20.20 top of feed bin is connected with lower hopper 14, and the lower part of lower hopper 14 is equipped with baiting valve 15.
As shown in figure 3, the two sides of condenser 7 are respectively arranged with pulsed conveyer 706 and fire extinguisher filling mechanism 707, it is cold Condenser 7 is internally provided with two-way tube side 704.One end of tube side 704 connects pulsed conveyer 706, the other end connection of tube side 704 Fire extinguisher filling mechanism 707, there are two dry ice valves 702 close to the setting of one end of pulsed conveyer 706 for tube side 704, and tube side is close There are two gas traps 703 for one end setting of fire extinguisher filling mechanism 707.
The specific workflow of the present apparatus:
Before plastic extruder blanking, first feed bin 20 is heated, then open 15 blanking of baiting valve.It needs to heat feed bin When, it should carry out as follows:
It first opens valve 3 18 and the guarantee of valve 2 17 forms hot-oil circulation channel.
First start combustion gas thermo oil boiler 1, is then turned on hot oil pump 1 or hot oil pump 23, enables the conduction oil being heated continuously Collet 21 is enough entered into machine pipe 11 by hot oil, goes out machine pipe 12 further through hot oil and returns to combustion gas thermo oil boiler 1.By adjusting combustion gas oil The flame of boiler 1 controls the temperature of feed bin 20 to control the temperature of conduction oil so as to adjust the temperature of collet 21.
When extruder will stop heating, first stop heating of the combustion gas thermo oil boiler 1 to conduction oil, then stop hot oil pump 1 With the conveying of 23 pairs of conduction oils of hot oil pump.It is then turned off valve 3 18 and valve 2 17, opens valve 1 and valve 4 19, Cement out the conduction oil in collet 21, hot oil is recycled to collet 21 after the cooling of condenser 7, reduces the oil in collet 21 Temperature.
While hot oil passes in and out condenser 7, a dry ice valve 702 is opened, pulsed conveyer 706 is by the dry ice of set amount It is conveyed into a Cheng Guancheng 704, closes dry ice valve 702, after the dry ice of set amount distils completely, gas trap 703 is opened, makes dioxy Change carbon gas and enters fire extinguisher filling mechanism 707.While dry ice sublimation, pulsed conveyer 706 is defeated by the dry ice of set amount It send to another tube side 704 and repeats the above process.Two-way tube side 704 is alternately repeated use, completes filling for fire extinguisher.
When hot oil and cold oil hypertonia in pipeline, oil can reach expansion slot 5 in pipeline with expanded buffer 4, cold It coagulates the conduction oil to get off and crosses baffle 51 and flow in Lower tank 6.
It is this to provide heat with combustion gas thermo oil boiler 1 for conduction oil, and conduction oil is transported to the mode that collet 21 heats, it can To realize that a stove for the heating of multiple collets, realizes central heating.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.

Claims (9)

1. the heating apparatus of plastic extruder is used for, including the head unit and heat exchange unit being connected by circulation, the head unit Including lower hopper, the feed bin being set to below the lower hopper and the collet being set in outside the feed bin, it is characterised in that: described Heat exchange unit includes cold oil mechanism section, hot oil mechanism section and oleo cushion part；The cold oil mechanism section includes successively The cold oil of connection goes out machine pipe, condenser, cold oil pump and cold oil into machine pipe；The hot oil mechanism section includes sequentially connected hot oil Machine pipe, hot oil pump one, combustion gas thermo oil boiler and hot oil are into machine pipe out；The oleo cushion part include with the cold oil into machine pipe and The hot oil inflated bumper connected into machine pipe, is connected with expansion slot above the inflated bumper, under the expansion slot Side is also connected with Lower tank；The cold oil into machine pipe, cold oil go out machine pipe, hot oil into machine pipe and hot oil go out machine pipe simultaneously with the folder Set communicates.
2. the heating apparatus according to claim 1 for plastic extruder, it is characterised in that: the cold oil into machine pipe and Hot oil is all connected to the collet side lower into machine pipe, and the cold oil goes out machine pipe and the hot oil goes out machine pipe and is all connected to collet Side surface upper part, and the cold oil goes out the two sides that machine pipe is located at the collet into machine pipe and the cold oil, the hot oil is into machine Pipe and the hot oil go out the two sides that machine pipe is located at the collet.
3. the heating apparatus according to claim 1 for plastic extruder, it is characterised in that: the outlet of the condenser It is provided with filter, one import of hot oil pump is equipped with filter.
4. the heating apparatus according to claim 1 for plastic extruder, it is characterised in that: the outer surface cover of the collet Equipped with insulating layer.
5. the heating apparatus according to claim 1 for plastic extruder, it is characterised in that: the hot oil mechanism section Equipped with the hot oil pump two in parallel with the hot oil pump one.
6. the heating apparatus according to claim 5 for plastic extruder, it is characterised in that: the expansion chamber is set There is baffle.
7. the heating apparatus according to claim 1 for plastic extruder, it is characterised in that: the both ends of the condenser Be provided with pulsed conveyer and fire extinguisher filling mechanism, the tube side of the condenser respectively with the pulsed conveyer and fire extinguisher Filling mechanism connection.
8. the heating apparatus according to claim 7 for plastic extruder, it is characterised in that: the tube side is provided with simultaneously The two-way of connection.
9. the heating apparatus according to claim 1 for plastic extruder, it is characterised in that: the cold oil goes out machine pipe and sets It is equipped with repairing pipeline.
CN201820761406.5U 2018-05-21 2018-05-21 Heating apparatus for plastic extruder Active CN208197532U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820761406.5U CN208197532U (en) 2018-05-21 2018-05-21 Heating apparatus for plastic extruder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820761406.5U CN208197532U (en) 2018-05-21 2018-05-21 Heating apparatus for plastic extruder

Publications (1)

Publication Number Publication Date
CN208197532U true CN208197532U (en) 2018-12-07

Family

ID=64518877

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820761406.5U Active CN208197532U (en) 2018-05-21 2018-05-21 Heating apparatus for plastic extruder

Country Status (1)

Country Link
CN (1) CN208197532U (en)

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