CN207359403U

CN207359403U - A kind of plastic granulating device

Info

Publication number: CN207359403U
Application number: CN201721133895.1U
Authority: CN
Inventors: 周郁忠; 吴楚彬; 杨燕新
Original assignee: Far East Environmental Protection Polytron Technologies Inc
Current assignee: Far East Environmental Protection Polytron Technologies Inc
Priority date: 2017-09-05
Filing date: 2017-09-05
Publication date: 2018-05-15
Anticipated expiration: 2027-09-05

Abstract

It the utility model is related to plastic recoverying equipment field, more particularly to a kind of plastic granulating device, it includes screw rod heating extruder, without net die head, the entrance of first screw rod heating extruder is provided with hopper, outlet is connected by booster and with first without net die entrance, first is provided with thermostat without net mould discharge door, first is directed toward the second screw rod heating extruder entrance without net die head exit, the outlet of second screw rod heating extruder is connected with second without net die entrance, on the basis of being extruded in conventional helical, by the way of supercharging extrusion and constant temperature cooling removal of impurities, handled suitable for the fusing reclaiming clean of more polymictic recycled plastic, the plastics produced be granulated the masterbatch of formation, with the higher transparency and wearability, it is adapted to the follow-up raw material as processing modified plastics production.

Description

A kind of plastic granulating device

Technical field

It the utility model is related to plastic recoverying equipment field, and in particular to a kind of plastic granulating device.

Background technology

Plastics are widely used in various fields, and can be directed to extraordinary demand and add specific add as a kind of common materials Work auxiliary agent is modified, and such as exploitation has a high tenacity, high-wearing feature can modified plastics, and be used as such as floor glue, sole material, resistance to Grind the materials'use of offset plate.

In production for such plastics, directly production and processing or the production of recycled plastic regenerating and modifying, Qian Zhecheng can be used This height, and directly produce new plastics, under the situation of current plastics surplus, the problem of processing that plastic continuing is increased accumulation, is The challenge that the whole world all suffers from, therefore the manufacturing process of the latter, i.e., become using plastic reclaimed process means and modified production and enjoy drum The production model encouraged, is conducive to environmental protection and resource reutilization, but since recycling sorting plastics are in multiple melting reprocessing profit During, often because of part impurity pollution and equipment limit existing for plastics itself, cause recycling reprocessing process more difficult, Recycled plastic can only produce degradation product more, and producing the modified plastics of superior performance, there are technical problem.

The content of the invention

The purpose of this utility model is to provide a kind of plastic granulating device, by using on the basis that conventional helical is extruded On, by the way of supercharging extrusion and constant temperature cooling removal of impurities, at the fusing reclaiming clean of more polymictic recycled plastic Reason, the plastics produced be granulated the masterbatch of formation, have the higher transparency and wearability, are adapted to follow-up as modified modeling Expect the raw material of processing.

To achieve the above object, the utility model is carried out using following technological means：

A kind of plastic granulating device, including screw rod heat extruder, without net die head, it is characterised in that：The screw rod adds Hot-extrudable device includes first, second screw rod heating extruder, and the entrance of the first screw rod heating extruder is provided with hopper, and outlet is logical Cross booster and be connected with first without net die entrance, first is provided with thermostat without net mould discharge door, and first without net mould Head outlet be directed toward the second screw rod heating extruder entrance, the second screw rod heating extruder outlet with second without net die entrance phase Connection.

In above-mentioned technical proposal, the hopper is quantitative hopper.

In above-mentioned technical proposal, the first screw rod of first screw rod heating extruder is gradual for outlet extreme direction pitch The varying pitch screw of increase.

Further, first screw rod is bar portion from the convergence of middle gradual terminad, and pitch is from middle to going out Mouth end gradually increases.

In above-mentioned technical proposal, the thermostat encloses the first discharge pipe wall without net die head by heat exchanger plates and carries out Heat exchange.

Further, the heat exchanger plates are additionally provided with cooling liquid flowing channel, and the cooling liquid flowing channel passes through pipeline and perseverance Coolant pump feeder outside warm device is connected.

In above-mentioned technical proposal, the booster includes booster cavity, pressurized cylinder, and the entrance of the booster cavity, go out The end with the first screw rod heating extruder, the first entrance without net die head are connected mouth respectively.

As a kind of effective plan of establishment, the described first bottom plate hole area without net die head is not less than in second without net The bottom plate hole area of die head.

Further, the first bottom plate hole aperture without net die head is 0.2-0.5cm, the second bottom plate without net die head Hole aperture is 0.2-0.3cm.

The utility model at least has following usefulness：

1. by using the first extrusion of the first screw rod heating extruder, melted for the recycled plastic of crushing, and Outlet uses charger boost, under the filtration of no net die head, to most high-melting-points in the recycled plastic of fusing Waste material can be filtered；Cooling adjusting is separately carried out by thermostat, the first recycled plastic fusant without the discharging of net die head can be made Temperature reduces, and partly residues in high-melting-point waste material in recycled plastic fusant and further separates out, and extruder is heated in the second screw rod Under the maintenance heating extrusion temperature suitable with thermostat temperature, persistently keep heating-up temperature extrusion and filtered off through second without net die head Waste material, can relatively efficiently filter the waste material in recycled plastic；

2. using the varying pitch screw that gradually increases of outlet extreme direction pitch, especially the first screw rod is bar portion from middle Gradual terminad convergence, pitch gradually increase from middle to the port of export, and recycled plastic raw material heats extruder in the first screw rod Front end can fully heat, and in rear end because pitch gradually increases, fusant, which is under pressure, to be gradually reduced and transmit gently, and part is useless Therefore material is precipitated, and fully filtered without net die head by first, can improve the filtering efficacy of this equipment；

3. cooling down the first recycled plastic fusant without net die head exit using thermostat, and use external cooling device Coolant cooling heat transferring plate is pumped, becomes control for the quick temperature of the recycled plastic fusant in the first discharge pipe without net die head System plays more quick adjustment effect, is passing through fast regulating temperature process, avoiding causes the incomplete of impurity because temperature adjustment is slow Precipitation phenomenon.

Brief description of the drawings

Fig. 1 is the schematic diagram of the utility model.

Embodiment

In order to be more easily understood the purpose of this utility model, technical solution and advantage, with reference to embodiments, to this Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining that this practicality is new Type, is not used to limit the utility model.

Embodiment

Such as Fig. 1, a kind of plastic granulating device, including the first screw rod heating extruder 1, the second screw rod heating extruder 2, the One without net die head 3, second without net die head 4, the entrance of the first screw rod heating extruder 1 is provided with quantitative hopper 7, in recycled plastic Raw material add when, can correct amount, make process more constant；First screw rod 11 of the first screw rod heating extruder 1 is in Portion, which is risen to outlet extreme direction, pitch, gradually to increase, and the gradual terminad convergence of bar portion, and outlet is by booster and with first without net 3 entrance of die head is connected, and first is provided with thermostat 5 without 3 discharge port of net die head, and thermostat 5 encloses first by heat exchanger plates 51 31 tube wall of discharge pipe of no net die head 3 carries out heat exchange, and heat exchanger plates 51 are additionally provided with cooling liquid flowing channel, the coolant Runner is connected by pipeline with the coolant pump feeder 8 outside thermostat 5；First exports the second screw rod of direction without net die head 3 adds Hot-extrudable 2 entrance of device, the outlet of the second screw rod heating extruder 2 are connected with second without 4 entrance of net die head.

In above-mentioned technical proposal, the booster includes booster cavity 61, pressurized cylinder 62, and the booster cavity 61 enters The end with the first screw rod heating extruder 1, the first entrance without net die head 3 are connected respectively for mouth, outlet, recycled plastic melting Thing is after decompression separates out waste material particulate, and after the short time pressurization of booster, abundance is provided to recycled plastic fusant Pressure, and through first the effect for fully filtering off high-melting-point waste material is played without 3 filtering emission of net die head.

In the present embodiment, the first bottom plate hole aperture without net die head 3 is 0.35cm, the second bottom plate hole without net die head 4 Aperture is 0.25cm, right when being more than the second bottom plate hole area without net die head 4 using the first bottom plate hole area without net die head 3 In the processing removal process of the relatively large number of recycled plastic raw material of impurity, more impurity when can reduce first time spiral heating extrusion To the first damage without 3 bottom plate of net die head, recycled plastic fusant after filtering can be useless without the fully elimination of net die head 4 second Material；When for the processing removal process of the relatively small number of recycled plastic raw material of impurity, using the less bottom plate in aperture, it can obtain Obtain more preferable filter effect.

The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should It is subject to scope of the claims.

Claims

1. a kind of plastic granulating device, including screw rod heat extruder, without net die head, it is characterised in that：The screw rod heating Extruder includes first, second screw rod heating extruder, and the entrance of the first screw rod heating extruder is provided with hopper, and outlet passes through Booster is simultaneously connected with first without net die entrance, and first is provided with thermostat without net mould discharge door, and first without net die head The second screw rod heating extruder entrance is directed toward in outlet, and the outlet of the second screw rod heating extruder is connected with second without net die entrance Connect.

2. a kind of plastic granulating device as claimed in claim 1, it is characterised in that the hopper is quantitative hopper.

3. a kind of plastic granulating device as claimed in claim 1, it is characterised in that the first screw rod heating extruder The varying pitch screw that first screw rod gradually increases for outlet extreme direction pitch.

4. a kind of plastic granulating device as claimed in claim 2, it is characterised in that first screw rod is bar portion from middle part Gradual terminad convergence is played, pitch gradually increases from middle to the port of export.

5. a kind of plastic granulating device as claimed in claim 1, it is characterised in that the thermostat is enclosed by heat exchanger plates The first discharge pipe wall without net die head carries out heat exchange.

6. a kind of plastic granulating device as claimed in claim 5, it is characterised in that the heat exchanger plates are additionally provided with coolant Runner, the cooling liquid flowing channel are connected by pipeline with the coolant pump feeder outside thermostat.

7. a kind of plastic granulating device as claimed in claim 1, it is characterised in that the booster includes booster cavity, increases Air cylinder, the entrance of the booster cavity, outlet heat end, the first the entering without net die head of extruder with the first screw rod respectively Mouth is connected.

8. a kind of plastic granulating device as described in claim 1-7 any one, it is characterised in that described first is without net The bottom plate hole area of die head is not less than the second bottom plate hole area without net die head.

A kind of 9. plastic granulating device as claimed in claim 8, it is characterised in that bottom plate hole of described first without net die head Aperture is 0.2-0.5cm, and the second bottom plate hole aperture without net die head is 0.2-0.3cm.