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CN203246064U - Filtering device of plastic film extruder capable of discharging slag automatically - Google Patents

Filtering device of plastic film extruder capable of discharging slag automatically Download PDF

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Publication number
CN203246064U
CN203246064U CN201320087475XU CN201320087475U CN203246064U CN 203246064 U CN203246064 U CN 203246064U CN 201320087475X U CN201320087475X U CN 201320087475XU CN 201320087475 U CN201320087475 U CN 201320087475U CN 203246064 U CN203246064 U CN 203246064U
Authority
CN
China
Prior art keywords
filter
passage
plastic film
scarfing cinder
automatic discharge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201320087475XU
Other languages
Chinese (zh)
Inventor
张孝权
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG TIANTAI RUIHUA PLASTIC Co Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201320087475XU priority Critical patent/CN203246064U/en
Application granted granted Critical
Publication of CN203246064U publication Critical patent/CN203246064U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92019—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92466—Auxiliary unit, e.g. for external melt filtering, re-combining or transfer between units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92495—Treatment of equipment, e.g. purging, cleaning, lubricating or filter exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92571—Position, e.g. linear or angular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/9299—Treatment of equipment, e.g. purging, cleaning, lubricating or filter exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/2725—Cleaning; Purging; Avoiding contamination of filters
    • B29C48/273—Cleaning; Purging; Avoiding contamination of filters using back flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/69—Filters or screens for the moulding material
    • B29C48/691—Arrangements for replacing filters, e.g. with two parallel filters for alternate use
    • B29C48/6914—Arrangements for replacing filters, e.g. with two parallel filters for alternate use the filters being fitted on a rotatable or pivotable disc or on the circumference of a rotatable or pivotable cylinder

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The utility model belongs to the technical field of plastic film extruders and relates to a filtering device of a plastic film extruder capable of discharging slag automatically. The filtering device comprises a casing, a filter disc, a rotation device of the filter disc, filter pieces on the filter disc, a filter piece replacement window, a window cover, a feed port and a discharge port, wherein a slag removal channel is arranged on a feed channel between the feed port and the filter piece; a discharge port of the slag removal channel is aligned to a filter piece outside the filter piece aligned to the feed port; a pressure sensor and a one-way valve are arranged on the slag removal channel or the feed channel; a slag removal pipe communicated with the opposite side of the filter piece aligned to the outlet of the slag removal channel is arranged on one side of the feed port; and a controller receives a pressure signal transmitted from the pressure sensor and controls the on and off of the one-way valve, so that slag is automatically discharged. The filtering device has the advantages as follows: the product quality is stable, the service life of the filter piece is long, raw materials are not wasted, the slag can be automatically discharged without stopping the machine, time is saved, the efficiency is high, the cost is low, and the filtering device is suitable for various types of plastic extruding devices.

Description

A kind of plastic film extruder filter of automatic discharge
Technical field
The utility model belongs to the plastic film extruder technical field, refers in particular to a kind of plastic film extruder filter of automatic discharge.
Background technology
At present, the filter of plastic film extruder, comprise housing, filtering table in the housing, the tumbler of filtering table, circumferentially be evenly equipped with the removable filter sheet on the filtering table, one side of housing is provided with charging aperture, opposite side is provided with discharging opening, be provided with filter on the housing of charging aperture one side and change the scuttle of window and locking device, after reason excessive owing to pressure or material causes filter to damage, open filter and change window replacing filter, its weak point is: if the front side of filter is because impurity can cause the front film of filter to form the increased pressure of liquid after blocking, the one, damage easily filter, make a large amount of films with impurity form liquid and flow through filter, cause the film substandard products; The 2nd, after the impurity before the filter was too much, flow reduced, and needed to shut down cleaning impurity, not only delayed normal production, reduction production efficiency, and can cause a large amount of waste of raw materials; The 3rd, reduced the service life of filter.
Summary of the invention
The purpose of this utility model provide a kind of constant product quality, filter of production high life, do not waste raw material, can not shut down the plastic film extruder filter of automatic discharge.
The purpose of this utility model is achieved in that
A kind of plastic film extruder filter of automatic discharge, comprise housing, filtering table in the housing, the tumbler of filtering table, filtering table circumferentially is evenly equipped with the removable filter sheet, one side of housing is provided with charging aperture, opposite side is provided with discharging opening, be provided with filter on the housing of charging aperture one side and change the scuttle of window and locking device, feeding-passage between charging aperture and filter is provided with the scarfing cinder passage, the scarfing cinder passage is communicated to discharging opening one side by feeding-passage discharging opening over against filter outside filter, be provided with pressure sensor at scarfing cinder passage or feeding-passage, be provided with the one-way cock of switch scarfing cinder passage at the scarfing cinder passage, one side of charging aperture be provided with the scarfing cinder channel outlet over against the scum pipe that is communicated with of the opposite of filter, the switching that controller is accepted the pressure signal of pressure sensor transmission and controlled one-way cock realizes automatic discharge.
Above-mentioned one-way cock drives its switch by the oil cylinder of controller control or the piston rod of cylinder.
Above-mentioned tumbler is for stirring the filtering table rotation by the oil cylinder of controller control or the piston rod drive transmission device of cylinder.
Above-mentioned scarfing cinder passage is conduit or is arranged on inner passage on the housing.
Be provided with the one-way cock by the controller gauge tap on the above-mentioned scum pipe.
The utility model compared to existing technology outstanding and useful technique effect is:
1, constant product quality: since the utility model run into have impurity to stop up filter after, controller is the control deslagging automatically, guarantees high, the steady quality of the product quality of producing.
2, the high life of filter: the utility model can be controlled automatic discharge by controller, thus filter before pressure can not surpass design load, also with regard to not causing because of the hypertonia before the filter damaging in advance, prolonged the service life of filter.
3, do not waste raw material: the utility model automatic discharge, can not cause a large amount of waste products, the generation of substandard products, can be because of manual deslagging after shutting down, with the film raw material waste of a large amount of thawings yet.
4, can not shut down automatic discharge: the utility model is arranged on the pressure sensor on scarfing cinder passage or the feeding-passage; can change by the pressure before the controller automatic sensing filter, and then realize not shut down automatic discharge, save the production time; production efficiency is high, and production cost is low.
5, the utility model is applicable to various types of thin film extruding machines or various plastic extrusion facility.
Description of drawings
Fig. 1 is schematic perspective view of the present utility model.
Fig. 2 is partial schematic diagram of the present utility model.
Fig. 3 is principle schematic of the present utility model.
The specific embodiment
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-3:
A kind of plastic film extruder filter of automatic discharge, comprise housing 10, filtering table 16 in the housing 10, the tumbler of filtering table 16, filtering table 16 circumferentially is evenly equipped with removable filter sheet 15 and 30, one side of housing 10 is provided with charging aperture 11, opposite side is provided with discharging opening 21, be provided with filter on the housing 10 of charging aperture 11 1 sides and change the scuttle 27 of window 26 and locking device, feeding-passage 24 between charging aperture 11 and filter 15 is provided with scarfing cinder passage 13, scarfing cinder passage 13 is communicated to discharging opening 21 1 sides by feeding-passage 24 discharging opening 21 over against filter 15 outside filter 30, be provided with pressure sensor 12 at scarfing cinder passage 13 or feeding-passage 24, be provided with the one-way cock 17 of switch scarfing cinder passage 13 at scarfing cinder passage 13, one side of charging aperture 11 be provided with scarfing cinder channel outlet 28 over against the scum pipe 14 that is communicated with of the opposite of filter 30, controller 20 is accepted the pressure signal that pressure sensor 12 transmits and the switching of controlling one-way cock 17 realizes automatic discharge.
Above-mentioned one-way cock 17 drives its switch by the oil cylinder 19 of controller 20 controls or the piston rod 18 of cylinder.
Above-mentioned tumbler is to be rotated by the plectrum 23 that the piston rod drive transmission device 22 of the oil cylinder 25 of controller 20 controls or cylinder is stirred on the filtering table 16.
Above-mentioned scarfing cinder passage 13 is for conduit or be arranged on inner passage on the housing 10.
Be provided with the one-way cock by the controller gauge tap on the above-mentioned scum pipe 14, prevent that impurity and dust from entering the filter place thus.
Work of the present utility model: extruder work, the heater of filter front side with the film forming heating raw materials to flowing liquid via filter to extruder head, extrusion film, after the filter that filters device is stopped up by impurity, pressure before the filter raises, after being elevated to design pressure, controller controlled filter dish 16 tumblers, make 15 rotations of blocked filter scarfing cinder passage 13 outlet over against filter 30 places, controller is controlled one-way cock on the scum pipe 14 and the one-way cock 17 on the scarfing cinder passage 13 again, pressure before the filter that dependence is blocked is cleared up forward the filter that is blocked from the rear side of filter, impurity is discharged from scum pipe 14, and deslagging is closed one-way cock on the scum pipe 14 and the one-way cock 17 on the scarfing cinder passage 13 to the time of setting.In the process of block clearing deslagging; because charging aperture 11 to the filter between the discharging opening 21 of extruder will not have the filter of impurity to turn to the charging aperture 11 of extruder between the discharging opening 21 by filtering table 16 tumblers; therefore; extruder can work; extruding of deslagging and film is independent of each other, and realized non-stop-machine automatic discharge.
Above-described embodiment is preferred embodiment of the present utility model only, is not to limit according to this protection domain of the present utility model, so: all equivalences of doing according to structure of the present utility model, shape, principle change, and all should be covered by within the protection domain of the present utility model.

Claims (5)

1. the plastic film extruder filter of an automatic discharge, comprise housing, filtering table in the housing, the tumbler of filtering table, filtering table circumferentially is evenly equipped with the removable filter sheet, one side of housing is provided with charging aperture, opposite side is provided with discharging opening, be provided with filter on the housing of charging aperture one side and change the scuttle of window and locking device, it is characterized in that: the feeding-passage between charging aperture and filter is provided with the scarfing cinder passage, the scarfing cinder passage is communicated to discharging opening one side by feeding-passage discharging opening over against filter outside filter, be provided with pressure sensor at scarfing cinder passage or feeding-passage, be provided with the one-way cock of switch scarfing cinder passage at the scarfing cinder passage, one side of charging aperture be provided with the scarfing cinder channel outlet over against the scum pipe that is communicated with of the opposite of filter, the switching that controller is accepted the pressure signal of pressure sensor transmission and controlled one-way cock realizes automatic discharge.
2. the plastic film extruder filter of a kind of automatic discharge according to claim 1 is characterized in that: described one-way cock drives its switch by the oil cylinder of controller control or the piston rod of cylinder.
3. the plastic film extruder filter of a kind of automatic discharge according to claim 1 is characterized in that: described tumbler rotates for stirring filtering table by the piston rod drive transmission device of the oil cylinder of controller control or cylinder.
4. the plastic film extruder filter of a kind of automatic discharge according to claim 1 is characterized in that: described scarfing cinder passage is conduit or is arranged on inner passage on the housing.
5. the plastic film extruder filter of each described a kind of automatic discharge is characterized in that: be provided with the one-way cock by the controller gauge tap on the described scum pipe according to claim 1-4.
CN201320087475XU 2013-02-27 2013-02-27 Filtering device of plastic film extruder capable of discharging slag automatically Expired - Lifetime CN203246064U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320087475XU CN203246064U (en) 2013-02-27 2013-02-27 Filtering device of plastic film extruder capable of discharging slag automatically

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320087475XU CN203246064U (en) 2013-02-27 2013-02-27 Filtering device of plastic film extruder capable of discharging slag automatically

Publications (1)

Publication Number Publication Date
CN203246064U true CN203246064U (en) 2013-10-23

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Application Number Title Priority Date Filing Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103144276A (en) * 2013-02-27 2013-06-12 张孝权 Filter device of automatic-deslagging plastic film extruder
CN103753794A (en) * 2013-12-31 2014-04-30 贵州森瑞新材料股份有限公司 Fixed-shape water tank capable of rapidly discharging slag and used for production of PVC (Poly Vinyl Chloride) pipe
US20210354368A1 (en) * 2017-05-31 2021-11-18 Stratasys, Inc. System and method for 3d printing with metal filament materials

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103144276A (en) * 2013-02-27 2013-06-12 张孝权 Filter device of automatic-deslagging plastic film extruder
CN103144276B (en) * 2013-02-27 2015-09-09 浙江天台锐华塑胶有限公司 A kind of plastic film extruder filter of automatic discharge
CN103753794A (en) * 2013-12-31 2014-04-30 贵州森瑞新材料股份有限公司 Fixed-shape water tank capable of rapidly discharging slag and used for production of PVC (Poly Vinyl Chloride) pipe
US20210354368A1 (en) * 2017-05-31 2021-11-18 Stratasys, Inc. System and method for 3d printing with metal filament materials

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: ZHEJIANG TIANTAI RUIHUA PLASTIC CO., LTD.

Free format text: FORMER OWNER: ZHANG XIAOQUAN

Effective date: 20140725

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20140725

Address after: 317200 Tiantai hi tech Industrial Park, Tiantai County, Zhejiang, Taizhou

Patentee after: ZHEJIANG TIANTAI RUIHUA PLASTIC CO., LTD.

Address before: 317200, Taizhou City, Zhejiang province Tiantai County Chicheng Street Huang Tan Village 44

Patentee before: Zhang Xiaoquan

AV01 Patent right actively abandoned

Granted publication date: 20131023

Effective date of abandoning: 20150909

AV01 Patent right actively abandoned

Granted publication date: 20131023

Effective date of abandoning: 20150909

RGAV Abandon patent right to avoid regrant