CN206663577U - A kind of feeding dried and clean system - Google Patents

Abstract

The utility model provides a kind of feeding dried and clean system, for dry plastics particle, including material bin and dryness storehouse, the material bin is provided with charging aperture, air inlet, the dryness storehouse is provided with discharging opening and exhaust outlet, the material bin connects with dryness storehouse, material in the material bin provides power by air intake and taken in dryness storehouse, constant temperature is kept in the dryness storehouse, dry channel is provided with inside the dryness storehouse, the dry channel outer wall is Openworks shape, the dry channel connects discharging opening, it is air-out passage outside the dry channel, the air-out passage connects exhaust outlet, material is brought to discharging opening through dry channel by wind.

Description

A kind of feeding dried and clean system

Technical field

The utility model belongs to plastic shaping field, is related to a kind of auxiliary equipment for being molded, extruding, more particularly to one kind Apply the feeding dried and clean system in plastic optical fiber production technology.

Background technology

In fields such as plastic extrusion, injections, when producing product using extrusion, Shooting Technique, mix in raw material in air Moisture, dust granule can all reduce product quality, and therefore, many production technologies are clean to the temperature, humidity and air of production environment Cleanliness grade has strict requirements.Particularly as the hygroscopic materials such as polyamide, makrolon, polymethyl methacrylate exist It is required for being pre-dried during production or dedusting.

Polymethyl methacrylate is when producing plastic optical fiber, because polymethyl methacrylate has hygroscopicity, therefore Need material to be dried processing in production, and the dust granule that can not be introduced into air in the drying process.It is extruded into Although type equipment carries feeding drying system, but what is sucked during air blast is air in environment, still containing moisture, ash in air Dirt particle, as air blower enters drying system, very big shadow also is produced to plastic optical fiber even if micro moisture, dust granule Ring, have a strong impact on the quality of product.

Technique traditional at present is that such production technology is arranged in ten thousand grades of clean rooms, but ten thousand grades of factory buildings and cleaning The fund input of equipment is larger, is not suitable for Productive statistics.

Utility model content

In view of in above-mentioned part injection technique of the prior art, raw material is influenceed by ambient humidity, grieshoch particle, seriously Product quality deficiency is influenceed, the utility model provides a kind of feeding dried and clean system applied in plastic optical fiber production technology System, humidifying and raw material containing grieshoch are handled, the technical problem for influenceing product quality for solving raw material in the prior art.

In order to achieve the above objects and other related objects, the utility model provides a kind of feeding dried and clean system, is used for Dry plastics particle, including material bin and dryness storehouse, the material bin are provided with charging aperture, air inlet, set on the dryness storehouse There are discharging opening and exhaust outlet, the material bin connects with dryness storehouse, and the material in the material bin provides power by air intake and taken to In dryness storehouse, constant temperature is kept in the dryness storehouse, dry channel is provided with inside the dryness storehouse, the dry channel outer wall is to engrave Empty shape, the dry channel connect discharging opening, are air-out passage outside the dry channel, and the air-out passage connects exhaust outlet, Material is brought to discharging opening through dry channel by wind.

Feeding dried and clean system of the present utility model, for drying injection, expressing technique, particularly material are entering Drying, the dedusting carried out before injection machine.Material enters in feeding warehouse by charging aperture, air inlet air intake, and providing power by wind will Material is taken in dryness storehouse.Stationary temperature is kept in its dryness storehouse so that the dry materials of moisture absorption, dried material pass through Dry channel is further dried, then is delivered to discharging opening.Because the outer wall of dry channel is Openworks shape, then, air, dust can be through Hollow out is crossed into air-out passage to exhaust outlet, and granule materials are remained in dry channel.It is just air intake by being processed as The air that mouth enters is the normality in environment, will not be also mingled among material., can be with by the technical solution of the utility model By the material of normality, handle dry, be clean, not influenceing the product quality of the equipment such as injection machine shaping.

Preferably, described air inlet superposition sets grieshoch filter, blower fan and is air-dried filter layer.It is air-dried It is anhydrous calcium chloride or soda lime that filter layer, which sets drier, ensures that the wind that air inlet enters is dry and free from dust.In advance The wind-power of dried and clean is further provided for processing material.

Preferably, setting guide duct in described material bin, the guide duct connects air inlet, is set on the guide duct Put multiple air outlets.Guide duct spreads in material bin can uniformly form uniform pressure environment in material bin, entrance Material can uniformly enter dryness storehouse.

Preferably, described guide duct is arranged on the lower section of charging aperture.It is easy to form pressure differential so that material can all enter Enter dryness storehouse.

Preferably, keeping constant temperature in described dryness storehouse, the temperature in the dryness storehouse can be set.Can be with dryness storehouse Multigroup drying device is set, its temperature, can be set according to the input of the different material of drying, material.

Preferably, stock guide is set in described dryness storehouse.Stock guide is used to be sent material, avoids pressing inside dryness storehouse When power is uneven, material is concentrated, and partially dried dehumidifying is uneven.

Preferably, it is provided with heater inside described dryness storehouse.Inside, the bottom of dryness storehouse set electrical heating.

Preferably, it is distributed heater on dry channel outer wall inside described dryness storehouse.

Preferably, described dryness storehouse connection drying equipment.Dryness storehouse can connect special drying equipment, be dryness storehouse There is provided dry environment so that the moisture evaporation in material.

Preferably, described dryness storehouse outer wall is provided with thermal insulation layer.First, considering for constant temperature, but avoid outer wall thermal conductivity Too strong, heat losses are big, and outer wall crosses thermosetting dangerous matter sources.

As described above, a kind of feeding dried and clean system of the present utility model, can effectively get rid of material and contain water Divide and dust impurity so that injecting products quality is not affected.And device-specific, with strong points, volume production input is low.

Brief description of the drawings

Fig. 1 is the schematic cross-sectional view of the utility model embodiment 1.

Fig. 2 is the structural representation of the utility model embodiment 2.

Piece mark explanation

100- material bins,

110- charging apertures,

120- air inlets,

130- guide ducts,

131- air outlets,

200- dryness storehouses,

201- dry channels,

202- dry channel outer walls,

203- air-out passages,

210- discharging openings,

220- exhaust outlets,

230- drying equipments,

240- channel partitions.

Embodiment

Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the present utility model easily.

It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating specification to be taken off The content shown, so that those skilled in the art understands and reads, it is not limited to the enforceable restriction bar of the utility model Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not influenceing Under the effect of the utility model can be generated and the purpose that can reach, all should still it fall in the technology disclosed in the utility model In the range of Rong get Neng is covered.It is meanwhile cited such as " on ", " under ", "left", "right", " centre " and " one " in this specification Deng term, be merely convenient to narration understand, and be not used to limit the enforceable scope of the utility model, its relativeness It is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model.

In order to describe the utility model in detail, followed by following embodiments in one kind of the present utility model Material dried and clean system illustrates：

Embodiment 1

A kind of feeding dried and clean system according to Figure of description 1, including material bin 100 and dryness storehouse 200, thing The top of feed bin 100 connects with the lower section of dryness storehouse 200, and the present embodiment is specifically the row of dryness storehouse 200 and material bin 100 Cloth is top dryness storehouse 200, lower section material bin 100, locates connection end to end.A stainless steel cask is placed in material bin 100 to be used to deposit Storing material, the charging aperture 110 of material bin 100 are arranged on the top side of material bin 100, charging aperture 110 can external material inlet valve, Feeding-passage, the amount for being easy to control to feed.The lower section of material bin 100 sets air inlet 120, is superimposed at air inlet 120 and sets ash Layer and is air-dried filter layer at filter, blower fan, and it is anhydrous calcium chloride or soda lime to be air-dried filter layer and drier can be selected. The dry wind that air inlet 120 enters is easy to provide the air force of dried and clean for whole system.Guide duct is inscribed in air inlet 120 130, guide duct 130 extends to the lower section of material bin 100, is uniformly distributed, and multiple air outlets 131, air-out are set on guide duct 130 Mouthfuls 131 are arranged on the lower section of charging aperture 110, and air, from air outlet 131 even into in material bin 100, makes after blower fan The pressure obtained in material bin 100 is uniformly distributed so that material enters dryness storehouse 200 under air intake air pressure.

Further, the setting of air outlet 131, is multiple multiple through holes being arranged on guide duct 130, its through hole it is big It is small, it can be designed to that size is adjustable, the size by adjusting its air outlet 131 makes its air pressure adapt to different densities, particle The material of size.

The top of dryness storehouse 200 is provided with discharging opening 210 and exhaust outlet 220, holding constant temperature in dryness storehouse 200, in dryness storehouse 200 Temperature can set.The outer wall of dryness storehouse 200 is provided with thermal insulation layer.The inside of dryness storehouse 200 is provided with dry channel 201, dry channel 201 Outer wall 202 be Openworks shape, dry channel 201 connects discharging opening 210, is air-out passage 203 outside dry channel 201, air-out is led to Road 203 connects exhaust outlet 220, and material is brought to discharging opening 210 through dry channel 201 by wind.

Further, the inside of dryness storehouse 200 is provided with heater, and the bottom of dryness storehouse 200 sets firing equipment, and heating is set It is standby to select electrothermal tube, or heat transfer, its temperature control is being removed into humidity of materials, is ensureing the temperature of material consistency Under.

The principle to be worked using the present embodiment is that air enters guide duct 130 by air inlet 120, then via air outlet 131, into material bin 100, then by the connectivity part of material bin 100 and dryness storehouse 200, into dryness storehouse 200, in dryness storehouse In 200 dry channel, enter by material via the charging aperture 110 of material bin 100, then in dry channel outer wall 202 Hollow part enters air-out passage, then is excluded by exhaust outlet.Around here, material enters material bin 100 through charging aperture 110, in the band of wind It is dynamic lower to enter dryness storehouse 200, material 200 completes to dry, dehumidifies in dryness storehouse, under the Rapid Circulation of air by dust and miscellaneous Matter eliminates.

Further, it is distributed heater on the dry channel outer wall 202 inside dryness storehouse 200.It can be heating wire.

Embodiment 2

On the basis of embodiment 1, guide duct 130 can be arranged to the pipeline to spiral, particularly, close to charging aperture 110 The air outlet velocity of the guide duct 130 of one end is bigger, and air quantity is bigger.

Further, with reference to Figure of description 2, the lower section connection drying equipment 230 of dryness storehouse 200.Pass through external drying Dehumidifying is dried to the material in dryness storehouse 200 in equipment 230.

Further, multiple guide passages are divided into by channel partition 240 inside dry channel 201, on channel partition 240 Designed for hollow out, cause internal gas flow to keep circulation as far as possible, material collides on dividing plate, can further remove dust.

Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.

Claims (10)

1. a kind of feeding dried and clean system, for dry plastics particle, including material bin and dryness storehouse, set on the material bin There are charging aperture, air inlet, the dryness storehouse is provided with discharging opening and exhaust outlet, it is characterised in that：The material bin and dryness storehouse Connect, the material in the material bin provides power by air intake and taken in dryness storehouse, and constant temperature is kept in the dryness storehouse, described dry Dry channel is provided with inside dry storehouse, the dry channel outer wall is Openworks shape, and the dry channel connects discharging opening, the drying It is air-out passage outside passage, the air-out passage connects exhaust outlet, and material is brought to discharging opening through dry channel by wind.

A kind of 2. feeding dried and clean system according to claim 1, it is characterised in that：Described air inlet superposition is set Grieshoch filter, blower fan and it is air-dried filter layer.

A kind of 3. feeding dried and clean system according to claim 2, it is characterised in that：Set and lead in described material bin Airduct, the guide duct connect air inlet, multiple air outlets are set on the guide duct.

A kind of 4. feeding dried and clean system according to claim 3, it is characterised in that：Described guide duct be arranged on into The lower section of material mouth.

A kind of 5. feeding dried and clean system according to claim 1, it is characterised in that：Kept in described dryness storehouse permanent Temperature, the temperature in the dryness storehouse can be set.

A kind of 6. feeding dried and clean system according to claim 5, it is characterised in that：Set and lead in described dryness storehouse Flitch.

A kind of 7. feeding dried and clean system according to claim 5, it is characterised in that：It is provided with inside described dryness storehouse Heater.

A kind of 8. feeding dried and clean system according to claim 5, it is characterised in that：It is dry inside described dryness storehouse Heater is distributed on dry channel outer wall.

A kind of 9. feeding dried and clean system according to claim 5, it is characterised in that：Described dryness storehouse connection drying Equipment.

10. according to a kind of any described feeding dried and clean systems of claim 1-8, it is characterised in that：Described dryness storehouse Outer wall is provided with thermal insulation layer.