CN206186322U

CN206186322U - No silk screen plastics filter

Info

Publication number: CN206186322U
Application number: CN201621060994.7U
Authority: CN
Inventors: 黄美昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-09-07
Filing date: 2016-09-07
Publication date: 2017-05-24
Anticipated expiration: 2026-09-07

Abstract

The utility model discloses a no silk screen plastics filter, including the casing, be equipped with the filter chamber in the casing, be equipped with the filter plate in the filter chamber and strain the sword with scraping, scrape and strain the sword and be connected with plastics extruder screw drive, the beneficial effect of the utility model: adopt filter plate direct filtration plastics impurity, utilize the screw rod to scrape the rotary power who strains the sword to in time scraping down the miscellaneous hole of the row of sending with the impurity material from the filter plate and discharging, do not need to increase in addition power equipment, also carry out the filtration of plastic melt without the silk screen, thereby need not shut down and trade the net, not only practice thrift the plenty of time, improve work efficiency, raw and other materials are practiced thrift in the economize on electricity, still greatly lighten workman's intensity of labour, exempt producing the risk of personal injuries such as burning because of trading the filter screen.

Description

Without silk screen plastic filter

Technical field

The utility model is related to field of plastic machinery, especially without silk screen plastic filter.

Background technology

The plastic flat filament drawing machine group manufacture both at home and abroad, sell, using at present, plastic round wire wire drawing unit, plastic extrusion Film unit, plastic membrane blowing unit, plastic calender group, non-woven fabrics manufacture unit, spun-bonded fibre manufacture unit, drip irrigation zone production Unit, the main frame-plastic extruder of the granulation plastic extrusion unit such as unit, its raw material in plastic extruder melting extrusion to mould Filter must be first passed through before head shaping, current the most frequently used melt filtration structure is single cylinder or multi-cylinder filter structure, prior art All structures, must all be filtered using silk screen, it is necessary to often change wire gauze filter, during especially with recycled plastics polymers due to Impurity is more, changes filter screen frequently, and screen pack is changed every time must all shut down, and not only discards a large amount of metal screens, draping work Intensity is big, there is the hidden danger of the person of burning, and security is poor, and power consumption is high, and material loss is big, also has a strong impact on normal production.

Utility model content

The purpose of this utility model is to overcome drawbacks described above, there is provided without silk screen plastic filter, includes housing, housing by Housing A4 and housing B9 is constituted, and the connection method of housing A4 and housing B9 can be connected using existing known technology, is provided with housing Filter chamber, is provided with filter plate 7 in filter chamber, filter chamber is divided into filter ante-chamber 5 and filter back cavity 8, is provided with filter ante-chamber 5 and scrapes filter knife 6, scraped by filter plate 7 Filter knife 6 is connected with screw of plastic extruder 1.

Preferably, the filter knife 6 of scraping is close to filter plate 7 installed in the one end of power transmission shaft 15, the other end of power transmission shaft 15 and plastics Extruder screw 1 is fastenedly connected.

Preferably, described scraping be provided with spring 16 on filter cutter drive shaft 15.

Preferably, being provided with decelerator A22 in the filter ante-chamber 5, scrape filter knife 6 and be arranged on reducer output shaft A23, Reducer input shaft A21 is fastenedly connected with screw of plastic extruder 1.

Preferably, being provided with decelerator B34 outside the housing, scrape filter knife 6 and be arranged on the one end of hollow shaft 31, hollow shaft 31 The other end is connected with reducer output shaft B33, and the end of screw of plastic extruder 1 is provided with power transmission shaft long 32, power transmission shaft long 32 are connected with reducer input shaft B35.

Preferably, the filter knife 6 of scraping is more than two curved knifes 41.

Preferably, the filter plate 7 is made up of two panels steel plate, contacted with filter ante-chamber 5 it is a piece of be filter 71, filter More than below 0.7mm, the mesh of density 120 in hole, another steel plate is supporting plate 72 to hole C73 diameters on 71, in supporting plate 72 Hole D74 diameters in more than 1mm.

Preferably, being designed with connecting hole 3 in the axial direction of the housing, connecting hole 3 is connected with charging barrel of plastic extruder 2, Housing is provided with sediment flushing outlet 11 and discharge opening 10 in the radial direction, and sediment flushing outlet 11 communicates with filter ante-chamber 5, discharge opening 10 with filter back cavity 8 communicate.

The beneficial effects of the utility model：Due to not using silk screen filter, and the direct filtering plastic impurity of filter plate is used, profit The rotary power of filter knife is scraped with screw rod, and is not required to increase power-equipment in addition, also not by impurity material from sediment flushing outlet discharge in time The filtering of plastic melt is carried out with silk screen, without shutting down draping, is not only saved the plenty of time, improve operating efficiency, section Electricity, saves material, and also greatly mitigates the labour intensity of workman, and release produces the personal injury such as burn because changing screen pack Risk.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model one embodiment；

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

Fig. 3 is the structural representation of another embodiment of the utility model；

Fig. 4 is the structural representation of the utility model further embodiment；

Fig. 5 is that scraping for the utility model embodiment filters knife schematic shapes；

Fig. 6 is that scraping for the utility model embodiment filters knife-edge shape schematic top plan view；

Fig. 7 is a kind of filter plate schematic diagram of the utility model embodiment；

Fig. 8 is the A-A schematic cross-sectional views of the utility model embodiment；

Specific embodiment

Embodiment is further described below in conjunction with accompanying drawing

Reference picture 1：Fig. 1 is the structural representation of the utility model device one embodiment, and 1- screw rods, 2- barrels, 3- connect Connect hole, 4- housings A, 5- filter ante-chamber, 6- and scrape filter knife, 7- filter plates, 8- filters back cavity, 9- housing B, 10- discharge opening, 11- sediment flushing outlets, nothing Silk screen plastic filter includes housing, and housing is made up of housing A4 and housing B9, and housing A4 and housing B9 can use various public affairs Know that technology is attached, be threaded connection shown in the present embodiment, filter chamber is provided with housing, filter plate 7, filter plate 7 are provided with filter chamber Filter chamber is divided into filter ante-chamber 5 and filter back cavity 8, is provided with filter ante-chamber 5 and is scraped filter knife 6, scraped filter knife 6 and be driven with screw of plastic extruder 1 Connection, the drive connection.

Reference picture 2：1- screw rods, 6- scrape filter knife, 15- power transmission shafts, 16- springs, and the filter knife 6 of scraping is close to filter plate 7 and is arranged on The one end of power transmission shaft 15, the other end of power transmission shaft 15 is fastenedly connected with screw of plastic extruder 1, when screw of plastic extruder 1 is rotated Filter knife 6 is scraped by the drive of power transmission shaft 15 to rotate, spring 16 is installed on the power transmission shaft 15, make to scrape when filter knife 6 is rotated and be close to all the time Filter plate 7 runs, and improves clear deimpurity efficiency.

Reference picture 3：1- screw rods, 5- filters ante-chamber, 6- scrape filter knife, 21- reducer input shaft A, 22- decelerators A, 23- and slow down Decelerator A22 is installed in device output shaft A, the filter ante-chamber 5, is scraped filter knife 6 and is arranged on reducer output shaft A23, decelerator Input shaft A21 is fastenedly connected with screw of plastic extruder 1, and connection method can be used various known technologies, and this implementation legend is used Threaded connection.

Reference picture 4：1- screw rods, 6- scrape filter knife, 31- hollow shafts, 32- power transmission shafts long, 33- reducer output shafts B, 34- and subtract Fast device B, 35- reducer input shaft B, is provided with decelerator B34 outside the housing, scrape filter knife 6 and be arranged on the one end of hollow shaft 31, empty The other end of heart axle 31 is connected with reducer output shaft B33, and the end of screw of plastic extruder 1 is provided with power transmission shaft long 32, long Power transmission shaft 32 is connected with reducer input shaft B35, and hollow shaft is connected and power transmission shaft long and decelerator with reducer output shaft Input shaft connection can be connected with known technologies such as belt transmission, Chain conveyer or cardan drives.

Reference picture 5 and Fig. 6,41- curved knife, 42- boss, 43- mounting holes, the 44- knifes edge, the 45- knife back, 46- push away miscellaneous muscle, from In figure it can be seen that, knife is shaped as arc curved knife, and curved knife is designed as more than two, may be designed as entirety, also can split On cutter shaft, thickened gradually to the knife back 45 from the knife edge 44, add and push away miscellaneous muscle 46 and boss 42 can make whole to scrape filter knife 6 to be made Light and firm, when the knife edge 44 of curved knife is close to filter plate 7 to be rotated, the impurity material on filter plate 7 is scraped, and miscellaneous muscle 46 is pushed away by arc Push periphery to, be discharged into sediment flushing outlet 11, the knife edge 44 is thickened gradually to the knife back 45, be conducive to relying on stream pressure when scraping filter Filter knife 6 will be scraped to push filter plate 7 to and operate.

Reference picture 7,71- filters, 72- supporting plates, 73- holes C, 74- hole D, the filter plate 7 is made up of two panels steel plate, Be filter 71 with a piece of steel plate that contact of filter ante-chamber 5, be hole C73 on filter 71, hole C73 diameters in below 0.7mm, hole More than the mesh of density 120, another steel plate is supporting plate 72, is hole D74 in supporting plate 72, and hole D74 diameters are in more than 1mm.

Reference picture 8,6- scrapes filter knife, 7- filter plates, 10- discharge openings, 11- sediment flushing outlets, 81- arcuate furrows, and Fig. 8 is new this practicality The A-A schematic cross-sectional views of type embodiment, engage Fig. 1, and connecting hole 3 is designed with the axial direction of the housing, and connecting hole 3 is squeezed with plastics Go out machine barrel 2 to connect, housing is provided with sediment flushing outlet 11 and discharge opening 10 in the radial direction, and sediment flushing outlet 11 communicates with ante-chamber 5 is filtered, go out Material hole 10 communicates with filter back cavity 8, the present embodiment to scrape filter knife 6 consistent with the direction of rotation of screw of plastic extruder 1, it is counterclockwise to revolve Turn, when scraping filter knife 6 and rotating, the impurity material on the surface of filter plate 7 is scraped and pushes periphery to along scraping filter knife and pushing away the radian line of miscellaneous muscle 46 Into sediment flushing outlet 11, being designed with arcuate furrow 81 in the front of sediment flushing outlet 11 can make impurity material enter arcuate furrow 81 then along row Miscellaneous hole 11 is discharged, and improves impurities removal efficiency.

The utility model illustrates 4 embodiments, during work, entirely without silk screen plastic filter all at a certain temperature Carry out, the extrusion plastic melt of screw of plastic extruder 1 enters filter ante-chamber 5, numerous pores through in filter plate 7 make miscellaneous in melt Material is filtered by filter plate 7, and impurity is left in the outer surface of filter plate 7, and screw rod 1 is used as power, by be driven drive scrape filter knife 6 rotate, by It is arc in filter knife 6 is scraped, scrapes the filter every revolution of knife 6, impurity material can be scraped to periphery, is designed on housing 4 in circumferential direction There is sediment flushing outlet 11, the continuous rotation for scraping filter knife 6 is just constantly pushed impurity material to sediment flushing outlet 11 and discharged, the melt gone after the removal of impurity Enter filter back cavity 8, operation --- die head after then entering through discharge opening 10 through filter plate 6；One embodiment scrape filter knife 6 it is straight Power transmission shaft 15 was connected installed in the end of screw of plastic extruder 1, second embodiment is installed on filter cutter drive shaft 15 is scraped Upper spring 16, can make to scrape and be close to filter plate 7 all the time when filter knife 6 is rotated and run, this two embodiment rotating speeds and screw of plastic extruder 1 At the same speed, simple structure is convenient to install and maintain, but rotating speed is high, weares and teares larger, and the 3rd the 4th two embodiment is by decelerator handle The rotating speed for scraping filter knife 6 is reduced to less than 10 revs/min, makes to scrape filter knife 6 and filter plate 7 is durable in use, and the 3rd embodiment is to subtract Fast device A22 is arranged in filter ante-chamber 5, can use common gear reducer or planet-cycloid reducer or other decelerators, is scraped Filter knife 6 is arranged on reducer output shaft A23, and reducer input shaft A21 is fastenedly connected with screw of plastic extruder 1, this to set Haggle over the 4th kind simply, without sealing not material leakage, the 4th kind of embodiment is that decelerator B34 is provided with outside housing, scrape filter knife 6 and pacify Mounted in the one end of hollow shaft 31, the other end of hollow shaft 31 is connected with reducer output shaft B33, the end of screw of plastic extruder 1 Power transmission shaft long 32 is installed, power transmission shaft long 32 is connected through hollow shaft 31 with reducer input shaft B35, in power transmission shaft long 32 The sealing device of known technology is installed, the present embodiment is compared with other realities between hollow shaft 31 and between hollow shaft 31 and housing B9 Applying an advantage is, the housing external space is big, can be attached work using various decelerators, and working condition is very clear, and can Repaired outside housing.

The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to Embodiment is stated, it is all not use silk screen filter, using the direct filtering plastic impurity of filter plate, and moved using the rotation that screw rod scrapes filter knife The impurity that filter knife is scraped off on filter plate is scraped in power, drive, and the technical scheme under this thinking belongs to protection domain of the present utility model.

Claims

1. without silk screen plastic filter, it is characterised in that：Housing is included, housing is made up of housing A (4) and housing B (9), shell Filter chamber is provided with vivo, filter plate (7) is provided with filter chamber, filter chamber is divided into filter ante-chamber (5) and filter back cavity (8), filters ante-chamber by filter plate (7) (5) it is provided with and scrapes filter knife (6), is scraped filter knife (6) and be connected with screw of plastic extruder (1).

2. according to claim 1 without silk screen plastic filter, it is characterised in that：It is described to scrape filter knife (6) installed in transmission Axle (15) one end, power transmission shaft (15) other end is fastenedly connected with screw of plastic extruder (1).

3. according to claim 1 and 2 without silk screen plastic filter, it is characterised in that：The screw of plastic extruder (1) And spring (16) is installed on the power transmission shaft (15) between scraping filter knife (6).

4. according to claim 1 without silk screen plastic filter, it is characterised in that：It is provided with filter ante-chamber (5) and is subtracted Fast device A (22), scrapes filter knife (6) on reducer output shaft A (23), reducer input shaft A (21) and plastic extruder spiral shell Bar (1) is fastenedly connected.

5. according to claim 1 without silk screen plastic filter, it is characterised in that：Decelerator B is installed outside the housing (34) filter knife (6), is scraped installed in hollow shaft (31) one end, and hollow shaft (31) other end is driven with reducer output shaft B (33) and connects Connect, screw of plastic extruder (1) end is provided with power transmission shaft long (32), power transmission shaft (32) long passes with reducer input shaft B (35) Dynamic connection.

6. according to claim 1 without silk screen plastic filter, it is characterised in that：It is described scrape filter knife (6) be more than two Curved knife (41).

7. according to claim 1 without silk screen plastic filter, it is characterised in that：The filter plate (7) is by two panels steel plate group Into, with filter ante-chamber (5) contact it is a piece of be filter (71), hole C (73) diameters on filter (71) are in below 0.7mm, hole The mesh of density 120 more than, another steel plate is supporting plate (72), and hole D (74) diameter in supporting plate (72) is in more than 1mm.

8. according to claim 1 without silk screen plastic filter, it is characterised in that：The housing, is designed with its axial direction Connecting hole (3), connecting hole (3) is connected with charging barrel of plastic extruder (2), and housing is provided with sediment flushing outlet (11) and goes out in the radial direction Material hole (10), sediment flushing outlet (11) is communicated with filter ante-chamber (5), and discharge opening (10) is communicated with filter back cavity (8).