Hydraulic deslagging silk-screen-free double-screen-plate filter

Abstract

The utility model relates to a hydraulic deslagging silk-screen-free double-screen-plate filter which comprises a shell, the shell is in the shape of a Chinese character'hui ', a bent inlet runner is formed in the right side of the shell, a discharging port of the inlet runner is located at the front end in the shell, a splayed discharging runner is formed in the left side of the shell, and a deslagging port is formed in the rear side of the shell. And a top plate is installed at the top of the shell, and a bottom plate is installed at the bottom of the shell. The top plate, the bottom plate and the shell form a space used for filtering impurities of plastic in a molten state, the plastic in the molten state enters the device through the inlet runner, and the plastic in the molten state enters a groove and a guide groove of the splitter plate through the net plate and the splitter plate through reciprocating motion of the scraper frame; and finally, the impurities are discharged through the guide grooves and the discharging flow channel, the connectors on the two sides of the discharging flow channel communicate with the corresponding guide grooves correspondingly, and the impurities on the screen can be scraped off through the scraper frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technology especially a hydraulic pressure deslagging screenless double screen plate filter. BACKGROUND

[0002] In the current recycling process of regenerated plastics, the impurity content in the plastic is relatively large, and in the granulation process, the impurities in the plastic will adhere to the filter screen, in order to prevent the filter screen from being blocked, the filter screen is usually manually removed from the filter for cleaning, however, during the installation and disassembly of the filter screen, the labor intensity of manual screen replacement is large and relatively troublesome. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a hydraulic pressure deslagging screenless double screen plate filter which is used to solve the problem of inconvenient manual disassembly and cleaning of the filter screen.

[0004] In order to solve the above problems, the utility model provides a hydraulic pressure deslagging screenless double screen plate filter, which comprises a shell, the shape of the shell is a back-to-back shape, a curved inlet flow channel is formed in the right side of the shell, the discharge port of the inlet flow channel is located at the front end inside the shell, an eight-shaped discharging flow channel is formed in the left side of the shell, a deslagging port is formed in the rear side of the shell, a deslagging assembly is arranged at the deslagging port, a top plate is installed on the top of the shell, a bottom plate is installed on the bottom of the shell, two oppositely arranged flow distribution plates are arranged between the top plate and the bottom plate, recesses are formed in the opposite sides of the two flow distribution plates and in contact with the top plate and the bottom plate respectively, a guide groove is arranged on one side of the recess, the guide groove is in communication with the discharging flow channel, a screen plate is arranged on the opposite side of each flow distribution plate, through holes are formed in the screen plate and the flow distribution plate, the through holes in the screen plate and the flow distribution plate are in communication, and a scraper holder which can slide is arranged between the two screen plates.

[0005] The hydraulic pressure deslagging screenless double screen plate filter provided by the utility model also has the following technical features:

[0006] Further, a clearance hole is formed in the scraper holder, and the upper and lower sides of the scraper holder are in contact with the corresponding two screen plates respectively.

[0007] Further, a necked cover is installed at the deslagging port in the shell, vertical plates are fixed on the two sides of the necked cover, the opposite sides of the two vertical plates are installed on the inner wall of the shell, and the upper and lower sides of the vertical plates are in contact with the corresponding screen plates respectively.

[0008] Further, a support is fixedly installed on the front side of the shell, a first hydraulic cylinder is fixedly installed on the support, a push rod is arranged on the piston rod of the first hydraulic cylinder, and the free end of the push rod penetrates through the front side of the shell and is fixedly installed with the scraper holder.

[0009] Further, the right side of the shell is provided with an inlet plate, the inlet plate is provided with a feeding port communicated with the inlet flow channel, the right side of the shell is provided with an outlet plate, the outlet plate is provided with a discharging port communicated with the discharging flow channel, one side of the top plate is hingedly connected with a reinforcing plate through a first hinge, and the bottom of the reinforcing plate is hingedly connected with the bottom plate through a second hinge.

[0010] The utility model has the advantages that: the top plate, the bottom plate and the shell form a space for filtering impurities from the plastic in a molten state, the plastic in a molten state enters the device through the inlet flow channel, the scraper holder reciprocates, the plastic in a molten state enters the recess and the guide groove of the shunt plate through the mesh plate and the shunt plate, and finally is discharged through the guide groove and the discharging flow channel; the two side interfaces of the discharging flow channel are respectively communicated with the corresponding guide grooves; the scraper holder can scrape the impurities on the mesh plate, avoiding clogging of the mesh plate; the impurities scraped by the scraper holder are discharged through the slag discharge assembly, thereby avoiding manual screen replacement; the device is convenient to use; the setting of the inlet flow channel effectively solves the problem that some waste slag and impurities in the plastic accumulate on one side of the shell away from the slag discharge port due to reciprocating push and pull during long-term use, thereby preventing the scraper holder from reciprocating; the plastic in a molten state self-cleanses the inlet flow channel under the action of the extrusion force, thereby greatly prolonging the service life and improving the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a perspective view of the embodiment of the utility model;

[0012] Figure 2 It is a right view cutaway view of the broken embodiment of the utility model;

[0013] Figure 3 It is a top view cutaway view of the broken embodiment of the utility model;

[0014] Figure 4 It is a front view cutaway view of the embodiment of the utility model;

[0015] Figure 5 It is a perspective view of the embodiment of the utility model after removing the shell, the top plate and the slag discharge assembly;

[0016] Figure 6 It is a structural schematic view of the mesh plate, the scraper holder, the necking cover and the vertical plate in the embodiment of the utility model;

[0017] Figure 7 It is a perspective view of the embodiment of the utility model. DETAILED DESCRIPTION

[0018] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0019] like Figures 1 to 7 In the embodiment of the hydraulic slag discharge wire-mesh-free double-mesh plate filter of this utility model shown, the hydraulic slag discharge wire-mesh-free double-mesh plate filter includes a housing 1, which is U-shaped. A curved inlet channel 2 is provided on the right side of the housing 1, and the outlet of the inlet channel 2 is located at the front end inside the housing 1. An 8-shaped discharge channel 3 is provided on the left side of the housing 1. A slag discharge port 4 is provided on the rear side of the housing 1, and a slag discharge assembly 5 is provided at the slag discharge port 4. A top plate 6 is installed on the top of the housing 1, and a bottom plate 7 is installed on the bottom of the housing 1. Two opposing flow dividers 8 are provided between the top plate 6 and the bottom plate 7. The opposite sides of the two flow dividers 8 contact the top plate 6 and the bottom plate 7 respectively and each has a groove. A guide groove 9 is provided on one side of each groove, and the guide groove 9 can communicate with the discharge channel 3. Screen plates 10 are provided on the opposite sides of the two flow dividers 8. Both the screen plate 10 and the flow dividers 8 have through holes, and the through holes on the screen plate 10 and the flow dividers 8 can communicate with each other. A slidable scraper holder 11 is provided between the two screen plates 10. The top plate 6, the bottom plate 7, and the housing 1 together form a [fabricated structure / system]. The device filters impurities from molten plastic. Molten plastic enters the device through the inlet channel 2 and is reciprocated by the scraper 11. The molten plastic passes through the mesh plate 10 and the diverter plate 8, entering the groove and guide groove 9 of the diverter plate 8, and is finally discharged through the guide groove 9 and the discharge channel 3. The two sides of the discharge channel 3 are connected to the corresponding guide grooves 9. The scraper 11 can scrape off the impurities on the mesh plate 10, preventing the mesh plate 10 from clogging. The slag discharge component 5 can also discharge the impurities scraped off by the scraper 11, thus avoiding manual screen replacement and making it convenient to use. The inlet channel 2 effectively solves the problem that during long-term use, the reciprocating pushing and pulling causes some waste residue and impurities in the plastic to accumulate in the shell 1 on the side away from the slag discharge port 4, causing blockage of the device and hindering the reciprocating movement of the scraper 11. The molten plastic self-cleans the inlet channel 2 under the extrusion force, greatly extending its service life. The double mesh plate 10 also improves production efficiency.

[0020] In one embodiment of this application, preferably, the scraper holder 11 is provided with clearance holes, and the upper and lower sides of the scraper holder 11 respectively contact the two corresponding mesh plates 10, so that the molten plastic can flow through the clearance holes of the scraper holder 11. The scraper holder 11 is a specially made double-sided floating compensation scraper holder. The scraper holder 11 reciprocates to push and pull, sending the filtered slag into the slag discharge port 4, thereby realizing the process of reciprocating circulation, filtration, and automatic slag discharge.

[0021] In an embodiment of the present application, preferably, a necking cover 12 is installed at the slag discharge port 4 in the shell 1, two vertical plates 13 are respectively fixed on the two sides of the necking cover 12, the opposite sides of the two vertical plates 13 are respectively installed on the inner wall of the shell 1, the upper and lower sides of the vertical plates 13 are respectively in contact with the corresponding mesh plates 10, and the vertical plates 13 play a supporting role through the necking cover 12 and the vertical plates 13, so that the scraper frame 11 can slide between the two vertical plates 13.

[0022] In an embodiment of the present application, preferably, a support 14 is fixedly installed on the front side of the shell 1, a first hydraulic cylinder 15 is fixedly installed on the support 14, a push rod 16 is arranged on the piston rod of the first hydraulic cylinder 15, the free end of the push rod 16 penetrates through the front side of the shell 1 and is fixedly installed with the scraper frame 11, and the piston rod can be reciprocatingly moved by starting the first hydraulic cylinder 15, so as to drive the scraper frame 11 to reciprocatingly move.

[0023] In an embodiment of the present application, preferably, an inlet plate 17 is installed on the right side of the shell 1, a feeding port is formed in the inlet plate 17 and communicates with the inlet flow channel 2, an outlet plate 18 is arranged on the right side of the shell 1, a discharging port is arranged on the outlet plate 18 and communicates with the discharging flow channel 3, a reinforcing plate 19 is hingedly connected to one side of the top plate 6 through a first hinge, and the bottom of the reinforcing plate 19 is hingedly connected to the bottom plate 7 through a second hinge. Through the arrangement of the inlet plate 17, the outlet plate 18 and the reinforcing plate 19, the device can be further reinforced and installed, and the modular arrangement of the device can facilitate installation or disassembly.

[0024] In an embodiment of the present application, preferably, the slag discharge assembly 5 comprises a connecting frame 51, a valve seat 52, a second hydraulic cylinder 53 and a valve plate 54, the valve seat 52 is provided with a valve hole, the valve seat 52 is installed on the rear side of the shell 1 so that the valve hole communicates with the slag discharge port 4, the valve seat 52 is fixedly installed with the connecting frame 51, the second hydraulic cylinder 53 is fixedly installed on the top of the connecting frame 51, the piston rod of the second hydraulic cylinder 53 is fixedly installed with the valve plate 54, the valve plate 54 is provided with an adjusting hole, the valve plate 54 can slide in the valve seat 52, the adjusting hole can communicate with or stagger with the valve hole, when slag needs to be discharged, the valve plate 54 is moved by starting the second hydraulic cylinder 53, so that the adjusting hole on the valve plate 54 coincides with the valve hole on the valve seat 52, so as to facilitate the discharge of waste slag impurities, and then the valve plate 54 is moved by starting the second hydraulic cylinder 53, so that the adjusting hole on the valve plate 54 completely staggers with the valve hole on the valve seat 52. The waste slag impurities mainly refer to metals, aluminum foil, non-melting plastics and the like.

[0025] The utility model discloses a space for filtering impurities of the plastic in the molten state is formed by the top plate 6, bottom plate 7 and casing 1, the plastic in the molten state enters the space through the import runner 2, the first hydraulic cylinder 15 can drive piston rod reciprocating motion is started, and then can drive scraper holder 11 reciprocating motion, the plastic in the molten state is filtered through the mesh plate 10, and after passing the through -hole on the shunt plate 8, enters the recess and guide groove 9 of shunt plate 8, finally through guide groove 9 and the blanking runner 3 discharge, and the both sides interface of blanking runner 3 are communicated with corresponding guide groove 9 respectively, and the impurities on the mesh plate 10 can be scraped down through the reciprocating motion of scraper holder 11, avoid the mesh plate 10 block, and the impurities scraped down by scraper holder 11 can be discharged through the deslagging assembly 5, and then avoid manual screen replacement, convenient to use, the setting of import runner 2 can effectively solve the device in the long-term use process, because reciprocating push and pull, some waste slag impurities in the plastic are accumulated to the side of casing 1 far from the deslagging port 4, thereby causing the device block, the shortcoming of blocking scraper holder 11 reciprocating motion, when relying on the plastic in the molten state feeding under the action of extrusion force, import runner 2 is washed, greatly prolongs the service life, and improves production efficiency.

[0026] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A hydraulic sludge discharge screenless double-mesh plate filter comprising a housing (1), characterized in that, The shell (1) is in the shape of a back-shaped character, a curved inlet flow channel (2) is arranged on the right side of the shell (1), the discharge port of the inlet flow channel (2) is located at the front end inside the shell (1), an eight-shaped discharging flow channel (3) is arranged on the left side of the shell (1), a slag discharge port (4) is arranged on the rear side of the shell (1), a slag discharge assembly (5) is arranged at the slag discharge port (4), a top plate (6) is arranged on the top of the shell (1), a bottom plate (7) is arranged on the bottom of the shell (1), two oppositely arranged flow distribution plates (8) are arranged between the top plate (6) and the bottom plate (7), the opposite sides of the two flow distribution plates (8) are respectively in contact with the top plate (6) and the bottom plate (7) and are respectively provided with recesses, a guide groove (9) is arranged on one side of the recess, the guide groove (9) can be communicated with the discharging flow channel (3), the opposite sides of the two flow distribution plates (8) are respectively provided with mesh plates (10), the flow distribution plates (8) and the mesh plates (10) are all provided with through holes, the through holes of the flow distribution plates (8) and the mesh plates (10) can be communicated, and a scraper frame (11) which can slide is arranged between the two mesh plates (10).

2. The hydraulic sludge discharge screenless twin-mesh plate filter according to claim 1, characterized in that: The scraper frame (11) is provided with a clearance hole, and the upper and lower sides of the scraper frame (11) are respectively in contact with the corresponding two mesh plates (10).

3. The hydraulic sludge discharge screenless twin-mesh plate filter of claim 1, wherein: The slag discharge port (4) in the shell (1) is provided with a necking cover (12), the two sides of the necking cover (12) are respectively fixed with vertical plates (13), the opposite sides of the two vertical plates (13) are mounted on the inner wall of the shell (1), and the upper and lower sides of the vertical plates (13) are respectively in contact with the corresponding mesh plates (10).

4. The hydraulic sludge discharge screenless twin-mesh plate filter of claim 1, wherein: The front side of the shell (1) is fixedly provided with a support (14), the first hydraulic cylinder (15) is fixedly arranged on the support (14), the push rod (16) is arranged on the piston rod of the first hydraulic cylinder (15), the free end of the push rod (16) penetrates through the front side of the shell (1) and is fixedly arranged with the scraper frame (11).

5. The hydraulic sludge discharge screenless twin-mesh plate filter of claim 1, wherein: The right side of the shell (1) is provided with an inlet plate (17), the inlet plate (17) is provided with a feeding port communicated with the inlet flow channel (2), the right side of the shell (1) is provided with an outlet plate (18), the outlet plate (18) is provided with a discharge port communicated with the discharging flow channel (3), one side of the top plate (6) is hingedly provided with a reinforcing plate (19) through a first hinge, and the bottom of the reinforcing plate (19) is hingedly connected with the bottom plate (7) through a second hinge.

6. The hydraulic sludge discharge screenless twin-mesh plate filter of claim 1, wherein: The slag discharge assembly (5) comprises a connecting frame (51), a valve seat (52), a second hydraulic cylinder (53) and a valve plate (54), the valve seat (52) is provided with a valve hole, the valve seat (52) is mounted on the rear side of the shell (1) so that the valve hole is communicated with the slag discharge port (4), the valve seat (52) is fixedly arranged with the connecting frame (51), the second hydraulic cylinder (53) is fixedly arranged on the top of the connecting frame (51), the piston rod of the second hydraulic cylinder (53) is fixedly arranged with the valve plate (54), the valve plate (54) is provided with an adjusting hole, the valve plate (54) can slide in the valve seat (52), and the adjusting hole can be communicated with or staggered with the valve hole.

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