CN210590496U - Double-screen-plate screen-free filter - Google Patents

Abstract

The utility model provides a double-mesh-plate non-silk-screen filter, which comprises a hollow filter box, wherein two filter plates are arranged in the filter box in a parallel rotating manner, the two filter plates divide the inner cavity of the filter box into a first discharging cavity, a first feeding cavity and a second discharging cavity, a feeding hole and a slag discharging hole which are communicated with the feeding cavity are arranged on the filter box, and a discharging hole which is communicated with the first discharging cavity and the second discharging cavity is also arranged on the filter box; the filter box is rotatably connected with a rotating shaft, and the rotating shaft extends into the filter box and is connected with the two filter plates; be fixed with in the feeding chamber and scrape the material piece, scrape the both sides of material piece and contradict respectively in two filters, in the use, the impurity of being scraped can not revolute the axle and rotate in the feeding chamber for the impurity of being scraped can be comparatively quick from row's cinder notch discharge. The scraping piece can block the scraped impurities from passing through, so that the impurities are not easy to flow back to the area treated by the scraping piece. Simultaneously the scraper can introduce impurity to the slag discharging port, so that the impurity can be discharged quickly.

Description

Double-screen-plate screen-free filter

Technical Field

The utility model relates to a no silk screen filter especially relates to a two screen plates do not have silk screen filter.

Background

At present, chinese patent with publication number CN208993043U discloses a double plate type screen-free filter, which comprises a housin, it wears to be equipped with a rotation axis to rotate along the axial lead in the casing, the one end of rotation axis is stretched out the casing and is connected with the power supply, the shaping has the holding chamber in the casing, and the holding intracavity is provided with the scraper, the scraper both sides are provided with first filter disc and second filter disc respectively, first filter disc and second filter disc will the holding chamber falls into there is ejection of compact chamber a, feeding chamber, ejection of compact chamber B, and the feed inlet in intercommunication feeding chamber is seted up to one side of casing, and the discharge gate has been seted up to the opposite side of casing, and the discharge gate links through ejection of compact chamber a and ejection of compact chamber B respectively, the row's of cinder notch in intercommunication feeding chamber is seted up to the bottom of casing, the casing threaded connection.

During the use, will be mingled with the fuse-element plastics of impurity from the feed inlet pour into the feeding chamber into, then the partial fuse-element plastics in the feeding chamber pass first filter disc and enter into ejection of compact chamber A, and partial fuse-element plastics pass the second filter disc and enter into ejection of compact chamber B, and the impurity that is mingled with in the fuse-element plastics is attached to first filter disc and second filter disc, and later the fuse-element plastics in ejection of compact chamber A and the ejection of compact chamber B are followed the discharge gate and are discharged. In the process, the scraper is controlled to rotate through the rotating shaft, and impurities attached to the first filter disc and the second filter disc are scraped. However, in the process that the scraper pushes the impurities to move in the feeding cavity, only when the impurities move to the slag discharging opening, the impurities can be discharged through the slag discharging opening, and the discharging speed of the impurities is low. Also in this process, part of the impurities easily flows back via the gap between the scraper and the feed chamber into the area which has been scraped by the scraper.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a dual-screen non-screen filter, which has the advantages that the impurities scraped by the scraper can be discharged from the slag discharge port relatively quickly, and the scraped impurities are not easy to flow back to the treated area.

In order to solve the technical problem, the technical scheme of the utility model is that: a double-mesh-plate silk-screen-free filter comprises a hollow filter box, wherein two filter plates are arranged in parallel in the filter box, the two filter plates divide an inner cavity of the filter box into a first discharging cavity, a first feeding cavity and a second discharging cavity, a feeding hole and a slag discharging hole which are communicated with the feeding cavity are formed in the filter box, a discharging hole is formed in the filter box, and the discharging hole is respectively communicated with the first discharging cavity and the second discharging cavity;

the two filter plates are rotatably connected with the filter box, a rotating shaft is rotatably connected to the filter box, one end of the rotating shaft is exposed out of the filter box and is used for being connected with a driving piece, the other end of the rotating shaft extends into an inner cavity of the filter box and is respectively connected with the two filter plates, and the rotating shaft is used for simultaneously driving the two filter plates to rotate circumferentially;

the material scraping piece is fixed in the feeding cavity, two sides of the material scraping piece respectively abut against the side walls, close to the feeding cavity, of the two filter plates, and the material scraping piece is used for scraping impurities attached to the two filter plates;

the two sides of the slag discharging port are divided into a front side and a rear side along the rotation direction of the filter plate, the filter plate rotates through the front side and then the rear side, one end of the scraping piece is connected to the side wall, far away from the rotating shaft, of the feeding cavity and close to the rear side of the slag discharging port, and the other end of the scraping piece abuts against the rotating shaft; the scraping piece is used for blocking the scraped impurities from passing through and introducing the impurities into the slag discharge port.

Through above-mentioned technical scheme, during the use, will treat that filterable fuse-element plastics continuously pours into the feeding chamber into from the feed inlet, and then partial fuse-element plastics in the feeding chamber pass the filter of one side and enter into ejection of compact chamber one, and partial fuse-element plastics in the feeding chamber pass the filter of opposite side and enter into ejection of compact chamber two, and the fuse-element plastics in ejection of compact chamber one and the fuse-element plastics in ejection of compact chamber two converge and discharge at the discharge gate. In the process, impurities in the melt plastic are blocked by the filter plate and are attached to the filter plate. Meanwhile, the end part of the rotating shaft protruding out of the filter box is connected with driving pieces such as a motor, and the driving pieces drive the filter plate to rotate circumferentially through the rotating shaft. In the rotating process of the filter plate, impurities attached to the filter plate are scraped by the scraping piece, and the scraped impurities gradually move to one side of the slag discharging port under the guide of the scraping piece.

Because the both sides of scraping the material piece are contradicted with two filters respectively, and the one end of scraping the material piece is connected on the lateral wall that the feeding chamber deviates from the pivot, and the other end of scraping the material piece is contradicted in the outer wall of pivot, so impurity is difficult for through scraping the material piece and flow back to the region of having been scraped by scraping the material piece, that is to say, the filter of being scraped by scraping the material piece can resume better trafficability characteristic. And owing to scrape material fixed connection in the feeding chamber, so in the use, the impurity of being scraped can not rotate around the rotation axis in the feeding chamber for the impurity of being scraped can be comparatively quick is discharged from row cinder notch. And the contact area between the scraping piece and the filter plate is small, the abrasion of the filter plate is slow, and the service life can be prolonged to a certain extent.

Preferably, the feeding cavity is embedded with a mounting table, the mounting table divides the feeding cavity into two sub-cavities, the scraping part comprises scrapers respectively arranged in the two sub-cavities, a feeding flow channel is arranged on the mounting table, the feeding flow channel respectively communicates the two sub-cavities with the feeding port, the two filter plates are both arranged on the mounting table, a slag discharge flow channel is arranged on the mounting table, and the two sub-cavities are respectively communicated with the slag discharge port by the slag discharge flow channel.

By the technical scheme, during the process of filtering the molten plastic by using the non-wire mesh filter, a part of the molten plastic is accumulated in the feeding cavity, and the part of the molten plastic is generally called as material storage. The stored materials are easy to carbonize in the process of continuous heating, and the quality of the melt plastic is greatly influenced. And the mounting table arranged in the feeding cavity can occupy the space of the feeding cavity, so that the material storage in the feeding cavity can be reduced, and the quality of the melt plastic is improved.

Preferably, the end part of the scraper close to the rotating shaft is connected to the mounting table.

Through above-mentioned technical scheme, the end connection that the scraper is close to the pivot is on the mount table, and is separated scraper and pivot, and at pivot pivoted in-process like this, the scraper can not aggravate the wearing and tearing of pivot.

Preferably, a splitter plate is arranged in the auxiliary chamber, the splitter plate is mounted on the mounting table, the splitter plate divides the auxiliary chamber into a feeding chamber and a distributing chamber, the distributing chamber is close to one side of the filter plate, and the scraper is arranged in the distributing chamber and is abutted against the splitter plate; the flow distribution plate is provided with a plurality of flow distribution holes, the flow distribution plate is close to the feeding runner, a material blocking part is formed at the position of the feeding runner, and the material blocking part is used for blocking the melt plastics flowing out of the feeding runner and driving the melt plastics to flow to two sides of the material blocking part.

Through above-mentioned technical scheme, when fuse-element plastics flowed to the feed chamber from the feedstock channel, receive stopping the stopping portion to block the material portion, flow along the both sides of stopping the material portion, finally flow into to the branch material room from the reposition of redundant personnel hole. After shunting melt plastic, the pressure that comes from melt plastic that the filter received is comparatively even for the filter is difficult to rotate the condition that the unilateral perk takes place for the filter rotates comparatively smoothly, and the border of filter is difficult for taking place wearing and tearing, has increased the life of filter to a certain extent, makes the change cycle of filter can increase.

Preferably, a sealing part is arranged at the position, close to the slag discharge flow channel, of the flow distribution plate, and the sealing part abuts against the scraper.

Through above-mentioned technical scheme, the closing part forms a semi-enclosed cavity with the scraper cooperation, and the orientation of this semi-enclosed cavity's opening is opposite with the filter plate pivoted direction. When the scraper scrapes off impurities on the filter plate, the impurities can enter the semi-closed chamber and move to one side of the slag discharge port along the surface of the scraper. And the semi-closed chamber makes the impurity of scraping be difficult for flowing back to the region that has been handled by the scraper, has promoted the efficiency that impurity was clear away to a certain extent.

Preferably, a first limiting plane is arranged on the outer side wall of the mounting table and is opposite to the feeding hole; a feeding pipe is arranged in the feeding hole, the end part of the feeding pipe is abutted against the first limiting plane, a second limiting plane is arranged on the outer side wall of the mounting table, and the second limiting plane is opposite to the slag discharging hole; and a slag discharge pipe is arranged in the slag discharge port, and the end part of the slag discharge pipe is abutted against the second limiting plane.

Through the technical scheme, when the assembly of the screen-free filter is completed, the first limiting plane on the outer side wall of the mounting table is tightly abutted to the end part of the feeding pipe, and the second limiting plane on the outer side wall of the mounting table is tightly abutted to the end part of the deslagging pipe, so that the mounting table is not easy to rotate in the filter box. When needs clear up this no silk screen filter, can take out the filter of mount table one side earlier, take out the mount table from the filter box after that, later take out the filter of mount table opposite side, clear up two filter that take out finally.

Preferably, the discharge port comprises a first discharge flow channel communicated with the first discharge cavity and a second discharge flow channel communicated with the second discharge cavity, and the first discharge flow channel and the second discharge flow channel are communicated with the inside of the filter box.

Through above-mentioned technical scheme, the fuse-element plastics in the ejection of compact chamber one flows from ejection of compact runner one, and the fuse-element plastics in the ejection of compact chamber two flows from ejection of compact runner two, and the fuse-element plastics in the ejection of compact chamber one and the fuse-element plastics in the ejection of compact chamber two converge the back and concentrate the discharge in the filter box to this reduces this no silk screen filter's installation limitation.

Preferably, the first discharging flow channel comprises a material gathering channel and a material taking channel, the material gathering channel is arranged inside the filter box and is communicated with the second discharging flow channel, the material taking channel is arranged inside the rotating shaft, and one end of the material taking channel penetrates through the rotating shaft and extends into the end part of the first discharging cavity; a plurality of through holes are formed in the side wall of the rotating shaft and are used for communicating the material gathering channel with the material taking channel.

Through the technical scheme, when the material collecting device is used, the melt plastics in the first discharging cavity enter the rotating shaft through the material taking channel, and then the melt plastics in the rotating shaft enter the material collecting channel through the through hole and are converged with the melt plastics in the second discharging channel.

Preferably, the first discharging flow channel further comprises a material storage chamber, the material storage chamber is communicated with the material gathering channel, the rotating shaft penetrates through the material storage chamber, and the through holes are communicated with the material storage chamber.

Through above-mentioned technical scheme, the width of deposit material room is greater than the diameter of pivot for leave the clearance between the tip of through-hole and the deposit material indoor wall, and the through-hole on the pivot lateral wall can communicate with the deposit material room all the time. The melt plastic in the first discharging cavity can continuously enter the material storage chamber and be discharged through the material gathering channel during the rotation process of the rotating shaft.

Preferably, the second discharging flow channel is obliquely arranged inside the filter box, and an included angle between the second discharging flow channel and the material gathering channel is an acute angle and faces one side of the rotating shaft.

Through above-mentioned technical scheme, because ejection of compact runner two is the slope setting, and ejection of compact runner two and gather the contained angle between the material passageway and be the acute angle, so melt plastics that flow in the ejection of compact runner two can not lead to the fact too big hindrance to gathering the melt plastics that flows in the material passageway for ejection of compact runner two and gather melt plastics in the material passageway can comparatively smoothly discharge from the rose box.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment, which is mainly used for showing the appearance of the first embodiment;

FIG. 2 is a sectional view of the first embodiment, which is mainly used for illustrating the connection of the components in the first embodiment;

FIG. 3 is a partial schematic view of the first embodiment, which is mainly used for showing the installation condition of the scraper;

FIG. 4 is a sectional view of the second embodiment, which is mainly used for illustrating the connection of the components in the second embodiment;

FIG. 5 is an exploded view of the second embodiment, which is mainly used to show the components of the second embodiment;

FIG. 6 is an exploded view of the second embodiment, mainly used for showing the shape of each component;

FIG. 7 is a sectional view of the second embodiment, which is mainly used to show the connection of the slag discharge flow passage;

fig. 8 is a partial schematic view of the second embodiment, which is mainly used for showing the arrangement position of the scraper.

Reference numerals: 1. a filter box; 2. a filter plate; 3. a first discharging cavity; 4. a feed cavity; 41. a secondary chamber; 411. a feed chamber; 412. a material distribution chamber; 5. a discharging cavity II; 6. a feed inlet; 7. a slag discharge port; 71. a front side; 72. a rear side; 8. a discharge port; 81. a first discharging flow channel; 811. a gathering channel; 812. a material taking channel; 813. a material storage chamber; 82. a second discharging flow channel; 9. a rotating shaft; 10. scraping the material; 101. a scraper; 11. an installation table; 12. a feed runner; 13. a slag discharge flow channel; 14. a flow distribution plate; 141. a material blocking part; 142. a closing part; 15. a shunt hole; 16. a first limiting plane; 17. a feed pipe; 18. a second limiting plane; 19. a slag discharge pipe; 20. an elastic force application member; 201. a first spring; 202. a second spring; 21. a through hole; 22. a box body; 23. a box cover; 24. a support plate; 25. a filter screen plate.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

A double-mesh-plate screen-free filter is shown in figure 1 and comprises a filter box 1, wherein the filter box 1 comprises a box body 22 with an opening formed in one side and a box cover 23 covering the opening of the box body 22, and a cavity is formed inside the box body 22 and the box cover 23 after the box body 22 and the box cover 23 are closed.

As shown in figures 1 and 2, two filter plates 2 are arranged in parallel in a cavity of a filter box 1, and the two filter plates 2 are rotatably connected with the filter box 1. The two filter plates 2 divide the cavity into a first discharging cavity 3, a feeding cavity 4 and a second discharging cavity 5. A feed inlet 6 is formed in the side wall of the box body 22, the feed inlet 6 is communicated with the feed cavity 4, and when the box body is used, melt plastics mixed with impurities enter the feed cavity 4 from the feed inlet 6. The box body 22 is also provided with a slag discharge port 7, the slag discharge port 7 is communicated with the feeding cavity 4, and impurities are discharged from the slag discharge port 7 during use. A discharge port 8 is further formed in the side wall of the box body 22, and the discharge port 8 is respectively communicated with the first discharge cavity 3 and the second discharge cavity 5.

As shown in fig. 2 and 3, each filter plate 2 comprises a support plate 24 at a side far away from the feeding chamber 4 and a filter screen plate 25 at a side close to the feeding chamber 4, and the support plate 24 is abutted against the end face of the filter screen plate 25 close to the feeding chamber 4. The support plate 24 and the filter screen plate 25 are both provided with filter holes, but the aperture of the filter holes on the support plate 24 is larger than that of the filter holes on the filter screen plate 25.

The filter box 1 is also rotatably connected with a rotating shaft 9, one end of the rotating shaft 9 protrudes out of the outer wall of the filter box 1 and is used for being connected with an external driving piece, and the driving piece can be a motor or a combination of the motor and a reduction box; the other end of the rotating shaft 9 penetrates through the centers of the filter plates 2 and is connected with the two filter plates 2 through splines. During the use, carry out circumferential direction through driving piece control pivot 9, meanwhile, pivot 9 carries out circumferential direction through spline drive filter 2.

Be provided with in feeding chamber 4 and scrape material 10, scrape material 10 and be scraper 101 in this embodiment, the both sides wall of scraper 101 conflicts with two filter 2 respectively towards the terminal surface in feeding chamber 4, takes the pivoted in-process at filter 2 by pivot 9, conflicts and can scrape filter 2 surface adhesion's impurity in filter 2's scraper 101. Along the rotation direction of the filter plate 2, two sides of the slag discharge opening 7 are divided into a front side 71 and a rear side 72, and the filter plate 2 rotates to pass through the front side 71 and then pass through the rear side 72. The end part of the scraper 101 far away from the rotating shaft 9 is connected to the inner wall of the distributing chamber 412 and is positioned at the rear side 72 of the slag discharging port 7, and the end part of the scraper 101 close to the rotating shaft 9 extends to the front side 71 of the slag discharging port 7 and is abutted against the outer wall of the rotating shaft 9. After the scraper 101 scrapes off the impurities attached to the filter plate 2, the impurities can move along the surface of the scraper 101 toward the slag discharge port 7 side.

As shown in fig. 2, the discharge port 8 includes a first discharge flow channel 81 communicating with the first discharge cavity 3 and a second discharge flow channel 82 communicating with the second discharge cavity 5, and the first discharge flow channel 81 and the second discharge flow channel 82 are communicated with each other inside the filter box 1.

The first discharging channel 81 includes a material gathering channel 811, a material storing chamber 813 and a material taking channel 812. The material gathering channel 811 is arranged inside the filter box 1 and is communicated with the second discharge flow channel 82; the material taking channel 812 is arranged inside the rotating shaft 9, and one end of the material taking channel 812 penetrates through the rotating shaft 9 and extends into the end part of the first discharge cavity 3; the material storage chamber 813 is arranged at the end part of the material gathering channel 811 and surrounds the rotating shaft 9, and the area of the end surface of the material storage chamber 813 is larger than the cross-sectional area of the rotating shaft 9; get the material passageway 812 and set up inside pivot 9 and extend along the axial of pivot 9, get the material passageway 812 and run through pivot 9 and lie in the tip in ejection of compact chamber 3. The side wall of the rotating shaft 9 in the material storage chamber 813 is provided with a plurality of through holes 21, the through holes 21 are circumferentially and uniformly distributed by taking the axis of the rotating shaft 9 as a center, and the material storage chamber 813 is communicated with the material taking channel 812 through the through holes 21.

The second discharging flow channel 82 is obliquely arranged inside the filter box 1, an included angle between the second discharging flow channel 82 and the material gathering channel 811 is an acute angle, and an opening of the included angle faces one side of the rotating shaft 9.

Example two:

the difference between the second embodiment and the first embodiment is that as shown in fig. 4, 5 and 6, an installation table 11 is embedded in the feeding cavity 4, the installation table 11 is penetrated through by the rotating shaft 9 from the middle, a first limiting plane 16 and a second limiting plane 18 are arranged on the outer wall of the installation table 11, the first limiting plane 16 and the second limiting plane 18 are arranged at a certain angle, and in this embodiment, the first limiting plane 16 is perpendicular to the second limiting plane 18. When the double-mesh-plate non-wire-mesh filter is assembled, the first control limit plane 16 is tightly abutted to the end part of the feeding pipe 17 installed in the feeding hole 6, and the second control limit plane 18 is tightly abutted to the end part of the slag discharge pipe 19 installed at the slag discharge hole 7, so that the installation table 11 is not easy to rotate in the filter box 1.

As shown in fig. 4 and 7, the mount 11 divides the feed chamber 4 into two sub-chambers 41, and the two sub-chambers 41 have the same space size. The installation table 11 is provided with a feeding channel 12 inside, and the feeding channel 12 connects the two sub-chambers 41 with the feeding ports 6 respectively. A slag discharge flow passage 13 is further arranged inside the mounting table 11, and the two sub-chambers 41 are respectively communicated with the slag discharge port 7 through the slag discharge flow passage 13. Two filter plates 2 are all installed on the mounting table 11.

As shown in fig. 4 and 5, each sub-chamber 41 is provided with a flow distribution plate 14, the flow distribution plate 14 is parallel to the filter plate 2, the flow distribution plate 14 divides the sub-chamber 41 into a feeding chamber 411 and a distribution chamber 412, and the feeding chamber 411 is close to one side of the mounting table 11 and is communicated with the feeding flow channel 12. The end area of the feed chamber 411 is gradually reduced toward the mount 11 side, thereby reducing stock in the feed chamber 4. A plurality of shunting holes 15 are formed in the shunting plate 14, and the shunting holes 15 are distributed along the circumferential direction of the rotating shaft 9. A blocking part 141 is arranged at a position of the flow distribution plate 14 opposite to the feeding runner 12, and the blocking part 141 is used for blocking the melt plastics flowing out of the feeding runner 12 and making the melt plastics flow to two sides of the blocking part 141. The flow distribution plate 14 is provided with a closed portion 142 opposite to the slag discharge flow path 13.

As shown in fig. 4, 5, and 8, the scraper 10 includes scrapers 101 distributed in two distribution chambers 412, the side wall of the scraper 101 close to the feeding chamber 411 abuts against the closing portion 142, and the side wall of the scraper 101 away from the feeding chamber 411 abuts against the filter plate 2. The end part of the scraper 101 far away from the rotating shaft 9 is connected to the inner wall of the distributing chamber 412 and is positioned at the rear side 72 of the slag discharging port 7, and the end part of the scraper 101 near the rotating shaft 9 extends to the front side 71 of the slag discharging port 7 and is connected to the mounting table 11. In the process of rotating the filter plate 2, the scraper 101 abutting against the filter plate 2 can scrape off the impurities attached to the filter plate 2 and guide the scraped impurities to the slag discharge port 7.

As shown in fig. 4 and 5, the end face of the scraper 101 close to the splitter plate 14 is connected with an elastic force application member 20, the elastic force application member 20 applies an elastic force to the scraper 101 to point to one side of the filter plate 2, so that the scraper 101 abuts against the filter plate 2, the scraper 101 can effectively remove impurities attached to the filter plate 2, and the filter plate 2 can have good passing performance, thereby ensuring that the filter plate 2 can filter plastic melt relatively quickly. The elastic force application member 20 comprises a first spring 201 and a second spring 202 which are respectively connected to two ends of the scraper 101, the first spring 201 is installed inside the installation table 11, and the second spring 202 is installed inside the filter box 1. The first spring 201 and the second spring 202 work together, so that the scraper 101 is not easy to be warped on one side.

The specific use process of the double-mesh-plate non-wire mesh filter is as follows: injecting the melt plastics to be filtered, which are mixed with impurities, from the feed port 6, wherein the melt plastics at the feed port 6 flow to the two feed chambers 411 through the feed runner 12; when the melt plastic enters the feeding chamber 411 from the feeding runner 12, the blocking part 141 of the splitter plate 14 blocks the melt plastic, so that the melt plastic flows to two sides of the blocking part 141; the molten plastic in the feeding chamber 411 passes through the diversion holes 15 of the diversion plate 14 and enters the distributing chamber 412; the melt plastics in the material distribution chamber 412 pass through the filter plate 2 and enter the first discharge cavity 3 or the second discharge cavity 5, and impurities in the melt plastics are attached to the end face, facing the feed cavity 4, of the filter plate 2; the molten plastic in the first discharging cavity 3 flows through the discharging channel 812, the storage chamber 813 and the gathering channel 811 and is finally discharged to the outside of the filter box 1, and the molten plastic in the second discharging cavity 5 enters the gathering channel 811 through the second discharging channel 82 and is finally discharged to the outside of the filter box 1. Meanwhile, the driving member drives the filter plate 2 to rotate through the rotating shaft 9, the scraper 101 disposed in the material distribution chamber 412 scrapes off impurities attached to the filter plate 2, the scraped impurities are located at the sealing portion 142, and gradually enter the slag discharge port 7 under the guidance of the scraper 101.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims (10)

1. A double-mesh-plate screen-free filter comprises a hollow filter box (1), wherein two filter plates (2) are arranged in the filter box (1) in parallel, the inner cavity of the filter box (1) is divided into a first discharging cavity (3), a feeding cavity (4) and a second discharging cavity (5) by the two filter plates (2), a feeding hole (6) and a slag discharging hole (7) which are communicated with the feeding cavity (4) are formed in the filter box (1), a discharging hole (8) is formed in the filter box (1), and the discharging hole (8) is respectively communicated with the first discharging cavity (3) and the second discharging cavity (5); the method is characterized in that:

the two filter plates (2) are rotatably connected with the filter box (1), a rotating shaft (9) is rotatably connected to the filter box (1), one end of the rotating shaft (9) is exposed out of the filter box (1) and is used for being connected with a driving piece, the other end of the rotating shaft (9) extends into an inner cavity of the filter box (1) and is respectively connected with the two filter plates (2), and the rotating shaft (9) is used for simultaneously driving the two filter plates (2) to rotate circumferentially;

a material scraping piece (10) is fixed in the feeding cavity (4), two sides of the material scraping piece (10) respectively abut against the side walls, close to the feeding cavity (4), of the two filter plates (2), and the material scraping piece (10) is used for scraping impurities attached to the two filter plates (2);

the two sides of the slag discharging port (7) are divided into a front side (71) and a rear side (72) along the rotation direction of the filter plate (2), the filter plate (2) rotates firstly through the front side (71) and then through the rear side (72), one end of the material scraping piece (10) is connected to the side wall, far away from the rotating shaft (9), of the feeding cavity (4) and is close to the rear side (72) of the slag discharging port (7), and the other end of the material scraping piece (10) is abutted to the rotating shaft (9); the scraping piece (10) is used for blocking the scraped impurities from passing through and introducing the impurities into the slag discharging port (7).

2. The dual panel, wire-free screen filter of claim 1, wherein: feeding chamber (4) inside embedding has mount table (11), mount table (11) will feeding chamber (4) are separated and are become two accessory chamber (41), scrape material spare (10) including set up respectively in two scraper (101) in accessory chamber (41), be provided with on mount table (11) feeding runner (12), feeding runner (12) are respectively with two accessory chamber (41) with feed inlet (6) intercommunication, two filter (2) are all installed on mount table (11), be provided with on mount table (11) and arrange sediment runner (13), arrange sediment runner (13) respectively with two accessory chamber (41) with arrange sediment mouth (7) intercommunication.

3. The dual panel, screen-less filter of claim 2, wherein: the end part of the scraper (101) close to the rotating shaft (9) is connected to the mounting table (11).

4. The dual panel, screen-less filter of claim 2, wherein: a flow distribution plate (14) is arranged in the auxiliary chamber (41), the flow distribution plate (14) is installed on the installation table (11), the flow distribution plate (14) divides the auxiliary chamber (41) into a feeding chamber (411) and a distribution chamber (412), the distribution chamber (412) is close to one side of the filter plate (2), and the scraper (101) is arranged in the distribution chamber (412) and is abutted against the flow distribution plate (14); a plurality of flow distribution holes (15) are formed in the flow distribution plate (14), the flow distribution plate (14) is close to the material blocking portion (141) formed at the position of the feeding runner (12), the material blocking portion (141) is used for blocking melt plastics flowing out of the feeding runner (12), and the melt plastics are driven to flow towards two sides of the material blocking portion (141).

5. The double screen plate screenless filter of claim 4, wherein: the part, close to the slag discharge flow channel (13), of the flow distribution plate (14) is provided with a sealing part (142), and the sealing part (142) is abutted to the scraper (101).

6. The dual panel, screen-less filter of claim 2, wherein: a first limiting plane (16) is arranged on the outer side wall of the mounting table (11), and the first limiting plane (16) is opposite to the feeding hole (6); a feeding pipe (17) is installed in the feeding hole (6), the end part of the feeding pipe (17) is abutted to the first limiting plane (16), a second limiting plane (18) is arranged on the outer side wall of the installation table (11), and the second limiting plane (18) is opposite to the slag discharging hole (7); a slag discharge pipe (19) is arranged in the slag discharge port (7), and the end part of the slag discharge pipe (19) is abutted against the second limiting plane (18).

7. The dual panel, wire-free screen filter of claim 1, wherein: the discharge port (8) comprises a first discharge flow channel (81) communicated with the first discharge cavity (3) and a second discharge flow channel (82) communicated with the second discharge cavity (5), and the first discharge flow channel (81) is communicated with the second discharge flow channel (82) in the filter box (1).

8. The dual panel, screen-less filter of claim 7, wherein: the first discharging flow channel (81) comprises a material gathering channel (811) and a material taking channel (812), the material gathering channel (811) is arranged inside the filter box (1) and is communicated with the second discharging flow channel (82), the material taking channel (812) is arranged inside the rotating shaft (9), and one end of the material taking channel (812) penetrates through the rotating shaft (9) and extends into the end part of the first discharging cavity (3); a plurality of through holes (21) are formed in the side wall of the rotating shaft (9), and the through holes (21) are used for communicating the material gathering channel (811) with the material taking channel (812).

9. The double screen panel screenless filter of claim 8, wherein: the first discharging flow channel (81) further comprises a storage chamber (813), the storage chamber (813) is communicated with the material gathering channel (811), the rotating shaft (9) penetrates through the storage chamber (813), and the through holes (21) are all communicated with the storage chamber (813).

10. The double screen panel screenless filter of claim 8, wherein: discharging flow channel two (82) slope set up in inside rose box (1), just discharging flow channel two (82) with gather contained angle between material passageway (811) is the acute angle and face pivot (9) one side.

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