CN201249516Y

CN201249516Y - Net-less no-halt filter of plastic extruder

Info

Publication number: CN201249516Y
Application number: CNU2008201253163U
Authority: CN
Inventors: 翁海军
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-03
Filing date: 2008-07-03
Publication date: 2009-06-03
Anticipated expiration: 2018-07-03

Abstract

A net-less no-halt filter of a plastic extruder comprises a filter and a tapered screw. The tapered screw is arranged in a filter and can rotate relative to the filter, the filter is arranged in a shell with a plastic heater, the filter takes the shape of a tapered tube and is provided with holes, and the tapered screw is a screw combining a tapered structure with a cylindrical structure. The adoption of the net-less no-halt filter of the plastic extruder can completely solve the problem that an extrusion molding mechanism in a present plastic extruder for producing and recovering second-hand old and useless plastics needs to be halted for clearing garbage regularly and cannot carry out continual and no-halt regenerated plastics extrusion and wire drawing; and the net-less no-halt filter can greatly improve the use efficiency of a regenerated plastic extruder, reduce the number of operators and greatly reduce the labor intensity of workers, reduces the use cost, improves the production efficiency, brings great convenience to the production, has great creativity and practical value, and is environment friendly, therefore, the market prospect of the net-less no-halt filter is wide.

Description

Plastic extruder does not have net and does not shut down filter

Technical field the utility model relates to a kind of filter of plastic extruder, and especially relating to a kind of plastic extruder that is used for the production of plastics feed back does not have net and do not shut down filter, belongs to the plastics machinery field.

Background technology is produced the overanxious mechanism of plastic extruding forming that uses on the extruder front end of plastics feed back at present; mainly be by: screen pack and adorn a plastics heater outward and the wire drawing head is constituted; the plastics of this structure are extruded wire drawing machine when plastic raw materials is relatively cleaner; the production that can keep certain hour continuously; its screen pack is difficult for stopping up; the time that screen pack is changed is relatively long; but because present many plastic extruders are to carry out regenerated plastics with the second-hand waste or used plastics of retrieving to produce; contain various impurity in the second-hand waste or used plastics of retrieving; particularly various small metal impurities etc.; before being reproduced production, second-hand waste or used plastics is difficult to clean out with artificial or additive method; therefore more or less can bring in the machine of production; in fact it is a lot of containing various minute impurities in the second-hand waste or used plastics of retrieving; the screen pack that will cause the plastics on the plastic extruder front end to extrude in the wire-drawing mechanism is like this stopped up by impurity through regular meeting; plastic extruder is just had to shut down screen pack is cleared up or changed to screen pack like this; consumption worker very consuming time; in the actual production sometimes in addition every mistake will shut down cleaning in 5 minutes or change screen pack; generally once draping in 20 to 30 minutes; burning is crossed by the overanxious Netcom that changes; utilize once more to ordinary production and bring great inconvenience, have a strong impact on labor productivity and environmental protection cause.

Summary of the invention the utility model provides a kind of plastic extruder of novelty not have net and does not shut down filter; employing is extruded at plastics the filter conical tube is set in the wire-drawing mechanism; the mode of conical screw; the little taper hole of high density is set on the filter conical tube and uses the technology that conical screw realizes that the material extrusion scraper combines; realize being used to producing the non-stop-machine regenerated plastics that carry out that the plastic extruder that reclaims second-hand waste or used plastics can be continuous and extrude the purpose that wire drawing is produced; solved and extruded wire-drawing mechanism in the plastic extruder that existing production reclaims second-hand waste or used plastics and need regularly to shut down cleaning rubbish, can not realize that continuous not shutting down carry out regenerated plastics and extrude the problem that wire drawing is produced.

The technical solution of the utility model is: plastic extruder does not have net and does not shut down filter, by: filter 1, conical screw 2 are formed, and conical screw 2 is installed in the filter 1, and filter 1 is installed in the housing that is provided with the plastics heater.

Filter 1 is the conical tubular hole structure, filter 1 is by filter conical tube 11, filter pore 12, plastic feed 13 structures constitute, filter conical tube 11 is the conical tube structure, its inner chamber taper seat is identical with the tapering of outer conical surface, on the wall body of filter conical tube 11, offer a plurality of filtration pores 12, filtering pore 12 is inner small and outside big loudspeaker hole shape structure, the loudspeaker hole shape structure of filtering pore 12 can be a linear pattern loudspeaker hole shape structure, it also can be shaped form loudspeaker hole shape structure, filter around the body that pore 12 is distributed in filter conical tube 11 on the circumference, the quantity of the filtration pore 12 that is provided with on the unit are for 60 orders per square inch to 100 orders, on the circumference of filter conical tube 11, also be provided with plastic feed 13, plastic feed 13 is the manhole structure, and plastic feed 13 links with the charging basket of plastic extruder.

Conical screw 2 is the conical screw rod that combines with cylindrical structural, conical screw 2 is made of central shaft and helical blade, the tapering of this section circular cone that the length of this section circular cone that conical screw 2 matches with filter 1 inner chamber and the equal in length of filter 1 inner chamber, conical screw 2 and filter 1 inner chamber match is identical with the tapering of filter 1 inner chamber taper seat.

Conical screw 2 is installed in filter 1 inner chamber, and can relatively rotate with filter 1, and conical screw 2 these segment structures that are installed in filter 1 inner chamber are wherein one section conical portion of whole screw rod.

Gap between filter 1 inner chamber and the conical screw 2 helical blade excircles is 0.1 millimeter to 0.05 millimeter.

Do not shut down filter owing to adopted plastic extruder of the present utility model not have net; can thoroughly solve to have now to produce and extrude wire-drawing mechanism shutdown cleaning regularly rubbish in the plastic extruder that reclaims second-hand waste or used plastics; can not realize that continuous not shutting down carry out regenerated plastics and extrude the problem that wire drawing is produced; plastic extruder does not have net and does not shut down filter and do not have screen pack; also just do not exist needs often to change the problem of plastic filtering net; can realize that 24 hours continuous non-stop-machine regenerated plastics that carry out extrude wire drawing production; can improve the service efficiency of regenerated plastic extruder greatly; reduce operator's quantity; alleviate working strength of workers greatly; reduced use cost; improved production efficiency; bring great convenience to production, have very strong creativeness and practicality, thereby market prospects are boundless.

Description of drawings

Fig. 1: be that the utility model plastic extruder does not have net and do not shut down the filter 1 of filter and the combining structure schematic diagram of conical screw 2;

Fig. 2: be that the utility model plastic extruder does not have the structural representation that net is not shut down the filter 1 of filter.

Among Fig. 1: 1 filter, 2 conical screws

Among Fig. 2: 11 filter conical tubes 12 filter pore 13 plastic feed

The specific embodiment

As shown in Figure 1 and Figure 2.

Plastic extruder does not have net and does not shut down filter, by: filter 1, conical screw 2 are formed.

Filter 1 is by: filter conical tube 11, filter pore 12, plastic feed 13 structures constitute.

Conical screw 2 by: central shaft and helical blade are constituted.

Plastic extruder does not have net and does not shut down filter, and conical screw 2 is installed in the filter 1, and filter 1 is installed in the housing that is provided with the plastics heater.

Filter 1 is the conical tubular hole structure, filter 1 is by filter conical tube 11, filter pore 12, plastic feed 13 structures constitute, filter conical tube 11 is the conical tube structure, its inner chamber taper seat is identical with the tapering of outer conical surface, on the wall body of filter conical tube 11, offer a plurality of filtration pores 12, filtering pore 12 is inner small and outside big loudspeaker hole shape structure, the loudspeaker hole shape structure of filtering pore 12 can be a linear pattern loudspeaker hole shape structure, it also can be shaped form loudspeaker hole shape structure, filter around the body that pore 12 is distributed in filter conical tube 11 on the circumference, the quantity of the filtration pore 12 that is provided with on the unit are for 60 orders per square inch to 100 orders, with 100 orders is good, on the circumference of filter conical tube 11, also be provided with plastic feed 13, plastic feed 13 is the manhole structure, and plastic feed 13 links with the charging basket of plastic extruder.

Filter 1 is set on the conical screw 2; then filter 1 and conical screw 2 are installed in the housing of band plastics heater; and cooperate with other operating mechanisms and to be mounted to a complete plastic extruder structure assembly; main extrusion screw rod on the plastic extruder is clamp-oned thermoplastic materials in filter conical tube 11 inner chambers of filter 1 by the plastic feed on the filter 1 13 thermoplastic materials; thermoplastic materials is outwards extruded by the filtration pore 12 on the filter 1 then; and outwards thermoplastic materials is extruded in the wire drawing housing by band plastics heater with silk thread shape form; be broken into and be plastic raw materials by cooling off the back pelletizing; in the process that thermoplastic materials is outwards extruded by the filtration pore 12 on the filter 1; because what use is to reclaim second-hand waste or used plastics as the raw material of processing; so impurity is a lot; these impurity will be when thermoplastic materials be outwards extruded by the filtration pore 12 on the filter 1; gathering and squeezing slowly gets lodged on the surface of internal cavity of filter 1; promptly gather and squeeze the aperture port that gets lodged in filtration pore 12; do not filter pore 12 if it is not removed to stop up; causing can't discharging production; we have installed conical screw 2 the inner chamber setting of filter 1 for this reason; conical screw 2 cooperates with the inner chamber of filter 1; the two tapering is identical; and the fit clearance between the two is less; gap length between conical screw 2 and the filter 1 can be regulated; in process of production; conical screw 2 also is in rotation status all the time; when conical screw 2 rotations; helical blade on the conical screw 2 will be with the surface of internal cavity of filter 1; promptly gathering and squeeze the impurity release that gets lodged in the aperture port of filtering pore 12 takes away; the aperture port that filters pore 12 is in is in clean clean conditions in the production process all the time; can not gather; squeeze stifled and obstruction; so just can accomplish continuous non-stop-machine production; just can alleviate working strength of workers greatly; reduce recruitment; enter special impurity and collect and storing in the stocking mechanism and released the impurity of taking away by conical screw 2; impurity is collected be stored into when a certain amount of collecting stocking mechanism; the material metering that will contain a large amount of impurity by the impurity discharge mechanism is emitted then; when the impurity discharge mechanism is released when being cleaner material; just the impurity discharge mechanism is closed; so just finished the process of single step of releasing impurity; put in the impurity process at the impurity discharge mechanism; filter 1 and conical screw 2 are in running order all the time; plastic extruder is in running order all the time; need not shut down; wire vent is even, can fracture of wire.Improve labor productivity so greatly, filled up the blank of this technical field, had very strong creativeness and practicality.

Claims

1, a kind of plastic extruder does not have net and does not shut down filter; it is characterized in that: plastic extruder do not have net do not shut down filter by: filter (1), conical screw (2) are formed; conical screw (2) is installed in the filter (1); filter (1) matches with conical screw (2), and filter (1) is installed in the housing that is provided with the plastics heater.

2; plastic extruder according to claim 1 does not have net and does not shut down filter; it is characterized in that: filter (1) is the conical tubular hole structure; filter (1) is by filter conical tube (11); filter pore (12); plastic feed (13) structure constitutes; filter conical tube (11) is the conical tube structure; its inner chamber taper seat is identical with the tapering of outer conical surface; on the wall body of filter conical tube (11), offer a plurality of filtration pores (12); filtering pore (12) is inner small and outside big loudspeaker hole shape structure; the loudspeaker hole shape structure of filtering pore (12) can be a linear pattern loudspeaker hole shape structure; it also can be shaped form loudspeaker hole shape structure; filter around the body that pore (12) is distributed in filter conical tube (11) on the circumference; the quantity of the filtration pore (12) that is provided with on the unit are for 60 orders per square inch to 100 orders; on the circumference of filter conical tube (11), also be provided with plastic feed (13); plastic feed (13) is the manhole structure, and plastic feed (13) links with the charging basket of extruding of plastic extruder.

3, plastic extruder according to claim 1 does not have net and does not shut down filter; it is characterized in that: conical screw (2) is the conical screw rod that combines with cylindrical structural; conical screw (2) is made of central shaft and helical blade; the tapering of this section circular cone that the length of this section circular cone that conical screw (2) matches with filter (1) inner chamber and the equal in length of filter (1) inner chamber, conical screw (2) and filter (1) inner chamber match is identical with the tapering of filter (1) inner chamber taper seat.

4, plastic extruder according to claim 1 does not have net and does not shut down filter; it is characterized in that: conical screw (2) is installed in filter (1) inner chamber; and can relatively rotate with filter (1), this segment structure of conical screw (2) that is installed in filter (1) inner chamber is wherein one section conical portion of whole screw rod.

5, plastic extruder according to claim 1 does not have net and does not shut down filter, and it is characterized in that: the gap between filter (1) inner chamber and conical screw (2) the helical blade excircle is 0.1 millimeter to 0.05 millimeter.