CN220095457U - Plastic extruder filter screen - Google Patents

Abstract

The utility model provides a filter screen of a plastic extruder, and belongs to the technical field of filter screens. This just, plastic extruder filter screen, including filtering mechanism, adjustment mechanism and clean mechanism, filtering mechanism includes the fixed strip, the filter frame is installed to one side of fixed strip, the internally mounted of filter frame has the filter screen, adjustment mechanism includes a pair of adapter sleeve, and a pair of adapter sleeve and the top looks block of filter frame, first motor is installed to one side of one of a pair of adapter sleeve, and the output transmission of first motor is connected with the threaded rod, the other end and the another adapter sleeve swing joint of threaded rod, be connected with a pair of gag lever post between a pair of adapter sleeve, clean mechanism includes the slider, slider and threaded rod interlock are connected, the slider can slide in the outside of a pair of gag lever post, the clean cover is installed to the bottom of slider, the installation chamber has been seted up to the bottom of clean cover, this technical scheme can be with the debris row of blocking in the filter screen mesh go out, can be to the cleanness of all surfaces of filter screen simultaneously.

Description

Plastic extruder filter screen

Technical Field

The utility model relates to the technical field of filter screens, in particular to a filter screen of a plastic extruder.

Background

Some plastic varieties with large yield, low price, wide application and wide influence range are commonly called general plastic, and important general plastic is polyethylene, polypropylene, polyvinyl chloride, polystyrene and other varieties, is often used for manufacturing pipe fittings, industrial packages, daily necessities and the like, and can also be used for manufacturing acid and alkali resistant hoses, cable jackets, insulating layers, medical infusion tubes and other medical supplies, and an extruder is a main device for processing plastic, and a filter device is required to be arranged at an extrusion port in order to ensure clean extrusion raw materials.

Published at 10/18 of 2022, chinese patent publication No. discloses a filter screen structure for a general plastic extruder,

the filter screen comprises a filter screen body, a connecting frame and a fixing seat, wherein the periphery of the filter screen body is fixedly connected with the connecting frame, one side of the connecting frame is in clamping connection with one side of the fixing seat, the filter screen body comprises a primary filter screen and a secondary filter screen, the top of the primary filter screen is fixedly connected with the secondary filter screen, and the inside of the connecting frame is fixedly connected with a reinforcing bracket positioned above the filter screen body;

according to the technical scheme, the first cleaning brush and the second cleaning brush are rotated to drive the first cleaning brush and the second cleaning brush to clean the filter screen body simply, however, when the first cleaning brush and the second cleaning brush rotate around the connecting column, the track is round, meanwhile, the lengths of the first cleaning brush and the second cleaning brush are consistent with the width of the connecting frame, the connecting frame is rectangular, so that a part of the filter screen body cannot be cleaned by the first cleaning brush and the second cleaning brush, sundries can be blocked in meshes of the filter screen body, and the sundries in the meshes cannot be brushed out through rotation of the first cleaning brush and the second cleaning brush.

Disclosure of Invention

In order to make up for the defects, the utility model provides a filter screen of a plastic extruder.

The utility model is realized in the following way:

the utility model provides a plastics extruder filter screen, filtering mechanism, adjustment mechanism and clean mechanism, filtering mechanism includes the fixed strip, the filter frame is installed to one side of fixed strip, the internally mounted of filter frame has the filter screen, adjustment mechanism includes a pair of adapter sleeve, and a pair of adapter sleeve and filter frame's top looks block, a pair of first motor is installed to one side of one of the adapter sleeve, just the output transmission of first motor is connected with the threaded rod, the other end and another adapter sleeve swing joint of threaded rod, a pair of be connected with a pair of gag lever post between the adapter sleeve, clean mechanism includes the slider, slider and threaded rod interlock are connected, the slider can slide in the outside of a pair of gag lever post, the cleaning sleeve is installed to the bottom of slider, install the installation chamber in the bottom of cleaning sleeve, be connected with a pair of pivot in the installation chamber, a pair of second motor, just second motor and pivot transmission are connected, a pair of stripper plate is installed in the outside of pole, the outside of stripper plate, but the outside of stripper plate is installed to the outside of regulator rod, but a plurality of stripper plate and the top of the stripper plate are installed mutually, a plurality of the stripper plate and the filter screen is installed to the bottom of the stripper plate, a plurality of the stripper plate is installed to the top, can be connected with a plurality of the stripper plate, and the filter screen is installed to the top.

The beneficial effect of adopting above-mentioned further scheme is, after the second motor starts, can drive the cam through the pivot and rotate, when the cam extrudees the stripper plate, can make the regulating block rise, first spring is compressed, when the cam does not extrude the clamp plate, the regulating block descends under the effect of gravity and first spring, simultaneously, the power that descends and produce can stimulate the spring, lead to its position after descending can surpass initial position, thereby make the clean board extrude the filter screen, along with the continuous rotation of second motor, make the clean board can constantly beat the filter screen, and then will block up debris row in the filter screen mesh and play, after the first motor starts, can drive the threaded rod rotation, under the effect of a pair of gag lever post, the slider can be rectilinear motion, thereby drive clean board and remove, and then can clean the whole surface of filter screen.

Furthermore, both sides of the cleaning sleeve are provided with limiting grooves, and both ends of the adjusting rod can slide in the limiting grooves.

The adoption of the further scheme has the beneficial effect that the adjusting rod can keep linear motion through the use of the limiting groove.

Further, a pair of fixed slots is offered at the top of filter frame, the inside of fixed slot is connected with the connecting axle through the torsional spring, and the connecting plate is installed in the outside of connecting axle, the card post is installed to one side of connecting plate.

Further, the inside sliding connection of adapter sleeve has the fixed plate, the limiting plate is installed at the top of fixed plate, a pair of stopper is installed to the bottom of adapter sleeve, all be connected with the second spring between limiting plate and the a pair of stopper, mounting groove and spout have been seted up to one side of fixed plate, the internally mounted of mounting groove has the cardboard, the draw-in groove has been seted up at the top of cardboard, the piece is supported in the top of mounting groove.

Further, the clamping column can slide in the chute, the clamping column can be extruded with the abutting block, and the clamping column can be clamped with the clamping groove.

The fixing plate is reset under the action of the second spring at the moment, so that the clamping column and the clamping groove are clamped mutually, the fixing plate is fixed in the fixing groove, the fixing plate is connected with the connecting sleeve through the second spring, therefore, the connecting sleeve and the filter frame are fixed mutually, after the fixing plate is fixed, if the fixing plate is pressed down again, the clamping column and the clamping groove are separated mutually, the clamping column moves to the space between the mounting groove and the other side of the clamping column and is separated from the clamping column through the sliding groove along with the continuous movement of the fixing plate, and the connecting sleeve and the filter frame are separated from each other, so that the purposes of quickly disassembling and assembling the filter screen are achieved, and the filter screen is prevented from being influenced.

Further, the bottom of the abutting block is in a circular arc shape, and the abutting block is located above the clamping groove.

The beneficial effect of adopting above-mentioned further scheme is, after the card post extrudees mutually with supporting the piece, can reduce the card post with support the friction between the piece for the card post can be more smooth and easy remove to one side of supporting the piece.

Furthermore, a clamping sleeve is arranged at the bottom of the connecting sleeve, and the clamping sleeve and the fixing groove can be mutually clamped.

The adoption of the further scheme has the beneficial effect that through the use of the clamping sleeve, after the clamping sleeve is clamped with the fixing groove, the connecting sleeve can be ensured to be positioned above the fixing groove.

Further, a buffer pad is installed at the bottom of the cleaning plate.

The beneficial effect of adopting above-mentioned further scheme is, can reduce the impact force of cleaning board and filter screen to prevent that the filter screen from being clapped.

The beneficial effects of the utility model are as follows: according to the plastic extruder filter screen obtained through the design, after the second motor is started, the cam can be driven to rotate through the rotating shaft, the adjusting block can be lifted up when the cam extrudes the extrusion plate, the first spring is compressed, when the cam does not extrude the pressing plate, the adjusting block descends under the action of gravity and the first spring, meanwhile, the descending force can pull the spring, so that the descending position of the spring can exceed the initial position, the cleaning plate extrudes the filter screen, the cleaning plate can continuously beat the filter screen along with the continuous rotation of the second motor, sundries blocked in the meshes of the filter screen are discharged, the first motor can drive the threaded rod to rotate after being started, and the sliding block can do linear motion under the action of the pair of limiting rods, so that the cleaning plate is driven to move, and the whole surface of the filter screen can be cleaned.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed to be practical in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without the inventive effort of a person skilled in the art.

FIG. 1 is a schematic diagram of a three-dimensional structure of a filter screen of a plastic extruder;

FIG. 2 is an enlarged schematic view of the structure A of FIG. 1;

FIG. 3 is a perspective view of a filter frame of a plastic extruder filter screen provided by the utility model;

FIG. 4 is an enlarged schematic view of the structure B of FIG. 3;

FIG. 5 is an internal perspective view of a cleaning sleeve for a plastic extruder filter screen provided by the present utility model;

FIG. 6 is an exploded perspective view of the connection sleeve of the plastic extruder filter screen provided by the utility model;

fig. 7 is a cross-sectional view of a connecting sleeve of a filter screen of a plastic extruder provided by the utility model.

In the figure: 100. a filtering mechanism; 1001. a fixing strip; 1002. a filter frame; 1003. a filter screen; 1004. a fixing groove; 200. an adjusting mechanism; 2001. connecting sleeves; 2002. a first motor; 2003. a threaded rod; 2004. a limit rod; 2005. a connecting plate; 2006. a clamping column; 2007. a fixing plate; 2008. a second spring; 2009. a clamping plate; 2010. a chute; 2011. a clamping groove; 2012. abutting blocks; 2013. a limiting plate; 2014. a limiting block; 2015. a cutting sleeve; 2016. a mounting groove; 300. a cleaning mechanism; 3001. a slide block; 3002. a cleaning sleeve; 3003. a second motor; 3004. a limit groove; 3005. an adjusting rod; 3006. a rotating shaft; 3007. a cam; 3008. an extrusion plate; 3009. an adjusting block; 3010. a support plate; 3011. a first spring; 3012. and cleaning the plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Embodiment one of the Filter Screen of the Plastic extruder of the utility model

The utility model provides the following technical scheme: as shown in fig. 1 and 5, the filtering mechanism 100, the adjusting mechanism 200 and the cleaning mechanism 300, the filtering mechanism 100 comprises a fixing strip 1001, a filtering frame 1002 is installed at one side of the fixing strip 1001, a filter screen 1003 is installed inside the filtering frame 1002, the adjusting mechanism 200 comprises a pair of connecting sleeves 2001, the pair of connecting sleeves 2001 are clamped with the top of the filtering frame 1002, a first motor 2002 is installed at one side of one of the pair of connecting sleeves 2001, the output end of the first motor 2002 is in transmission connection with a threaded rod 2003, the other end of the threaded rod 2003 is in movable connection with the other connecting sleeve 2001, a pair of limiting rods 2004 are connected between the pair of connecting sleeves 2001, the cleaning mechanism 300 comprises a sliding block 3001, the sliding block 3001 is in engagement connection with the threaded rod 2003, the sliding block 3001 can slide outside the pair of limiting rods 2004, a cleaning sleeve 3002 is installed at the bottom of the sliding block 3001, a mounting cavity is formed at the bottom of the cleaning sleeve 3002, a pair of rotating shafts 3006 are connected in the mounting cavity, a pair of second motors 3003 are arranged on the outer side of the cleaning sleeve 3002, the second motors 3003 are in transmission connection with the rotating shafts 3006, an adjusting rod 3005 is arranged in the installation cavity, a pair of pressing plates 3008 are arranged on the outer side of the adjusting rod 3005, a cam 3007 is arranged on the outer side of the rotating shafts 3006, the cam 3007 can press the pressing plates 3008 mutually, an adjusting block 3009 is arranged on the outer side of the adjusting rod 3005, a plurality of supporting plates 3010 are arranged on the outer side of the adjusting block 3009, a plurality of first springs 3011 are connected between the supporting plates 3010 and the top of the installation cavity, a cleaning plate 3012 is arranged at the bottom of the adjusting block 3009, the cleaning plate 3012 can press the filter screen 1003 mutually, after the second motors 3003 are started, the cam 3007 can be driven to rotate through the rotating shafts 3006, the adjusting block 3009 can be lifted when the cam 3007 presses the pressing plates 3008, the first springs 3011 are compressed, the adjusting block 3009 is lowered under the action of gravity and the first springs 3011, simultaneously, the spring 3011 is pulled by the force generated by descending, so that the position of the descending spring 3011 exceeds the initial position, the cleaning plate 3012 is enabled to squeeze the filter screen 1003, along with the continuous rotation of the second motor 3003, the cleaning plate 3012 can continuously flap the filter screen 1003, sundries blocked in meshes of the filter screen 1003 are discharged, after the first motor 2002 is started, the threaded rod 2003 can be driven to rotate, under the action of the limiting rods 2004, the sliding block 3001 can do linear motion, and therefore the cleaning plate 3012 is driven to move, and further all surfaces of the filter screen 1003 can be cleaned.

Embodiment two of the filter screen of the plastic extruder

Referring to fig. 2, specifically, further, both sides of the cleaning sleeve 3002 are provided with limiting grooves 3004, both ends of the adjusting rod 3005 can slide in the limiting grooves 3004, and the adjusting rod 3005 can be kept to move linearly by using the limiting grooves 3004.

Embodiment III of the Filter Screen of the Plastic extruder of the utility model

Referring to fig. 4 and 6, specifically, further, a pair of fixing grooves 1004 are provided at the top of the filter frame 1002, the inside of the fixing grooves 1004 is connected with a connecting shaft through a torsion spring, a connecting plate 2005 is mounted at the outer side of the connecting shaft, a clamping column 2006 is mounted at one side of the connecting plate 2005, a fixing plate 2007 is slidingly connected at the inside of the connecting sleeve 2001, a limiting plate 2013 is mounted at the top of the fixing plate 2007, a pair of limiting blocks 2014 are mounted at the bottom of the connecting sleeve 2001, a second spring 2008 is connected between the limiting plate 2013 and the pair of limiting blocks 2014, a mounting groove 2016 and a chute 2010 are provided at one side of the fixing plate 2007, a clamping plate 2009 is mounted at the inside of the mounting groove 2016, a clamping groove 2011 is provided at the top of the clamping plate 2009, a supporting block 2012 is mounted at the top of the mounting groove 2016, the clamping column 2006 can slide at the inside of the chute 2010, the clamping column 2006 can be extruded with the supporting block 2012, the clamping column 2006 can be clamped with the supporting block 2012, through the use of the fixed plate 2007, the second spring 2008, the chute 2010, the mounting groove 2016, the abutting block 2012, the clamping groove 2011 and the clamping post 2006, after the fixed plate 2007 is pressed down to a certain distance, the clamping post 2006 slides into the chute 2010, and as the fixed plate 2007 moves further, the clamping post 2006 moves to the upper side of the clamping plate 2009 through the space between one side of the mounting groove 2016 and one side of the clamping plate 2009, at this time, after the fixed plate 2007 is loosened, the fixed plate 2007 is reset under the action of the second spring 2008, so that the clamping post 2006 and the clamping groove 2011 are mutually clamped, so that the fixed plate 2007 is fixed in the fixed groove 1004, and the fixed plate 2007 and the connecting sleeve 2001 are connected through the second spring 2008, therefore, the connecting sleeve 2001 and the filtering frame 1002 are fixed, after the fixed plate 2007 is pressed down again, the clamping post 2006 and the clamping groove 2011 are separated from each other, and move to the space between the other side of the mounting groove 2016 and the clamping post 2006 under the action of the abutting block 2012, and the connecting sleeve 2001 is separated from the filter frame 1002 by separating the chute 2010 from the clamping column 2006, so that the aim of quickly disassembling and assembling the adjusting mechanism 200 and the cleaning mechanism 300 is fulfilled, and the filter screen 1003 is prevented from being influenced by the adjusting mechanism and the cleaning mechanism.

Specifically, the working principle of the filter screen of the plastic extruder is as follows: when in use, the fixing strip 1001 is installed at the outlet of the extruder, when the filter screen 1003 needs to be cleaned, the clamping sleeve 2015 is clamped with the fixing groove 1004 to ensure that the connecting sleeve 2001 is positioned above the fixing groove 1004, by using the fixing plate 2007, the second spring 2008, the sliding groove 2010, the mounting groove 2016, the abutting block 2012, the clamping groove 2011 and the clamping post 2006, after the fixing plate 2007 is pressed down to a certain distance, the clamping post 2006 slides into the sliding groove 2010 and moves to the upper side of the clamping plate 2009 along with the continuous movement of the fixing plate 2007, at this time, after the fixing plate 2007 is released, the fixing plate 2007 is reset under the action of the second spring 2008, so that the clamping post 2006 and the clamping groove 2011 are mutually clamped, the fixing plate 2007 is fixed in the fixing groove 1004, and the fixing plate 2007 is connected with the connecting sleeve 2001 through the second spring 2008, therefore, the connecting sleeve 2001 and the filter frame 1002 are fixed, then the first motor 2002 and the second motor 3003 are started, after the second motor 3003 is started, the cam 3007 can be driven to rotate through the rotating shaft 3006, when the cam 3007 presses the pressing plate 3008, the adjusting block 3009 can be lifted, the first spring 3011 is compressed, when the cam 3007 does not press the pressing plate 3008, the adjusting block 3009 descends under the action of gravity and the first spring 3011, meanwhile, the force generated by the descending pulls the spring 3011, the lowered position of the spring is caused to exceed the initial position, so that the cleaning plate 3012 presses the filter screen 1003, as the second motor 3003 continuously rotates, the cleaning plate 3012 can continuously flap the filter screen 1003, sundries blocked in the filter screen 1003 are discharged, after the first motor 2002 is started, the adjusting block 3009 can be driven to rotate through the threaded rod 2003, under the action of the pair of limiting rods 2004, the sliding block 3001 can do linear motion, thereby driving the cleaning plate 3012 to move, so that the whole surface of the filter screen 1003 can be cleaned, and the residual impurities on the filter screen 1003 can be removed by using the industrial dust collector.

It should be noted that, specific model specifications of the first motor 2002 and the second motor 3003 need to be determined by selecting a model according to an actual specification of the device, and a specific model selection calculation method adopts a prior art in the art, so that detailed descriptions thereof are omitted.

The power supply of the first motor 2002 and the second motor 3003 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The plastic extruder filter screen is characterized by comprising a filter mechanism (100), an adjusting mechanism (200) and a cleaning mechanism (300),

the filter mechanism (100) comprises a fixing strip (1001), a filter frame (1002) is arranged on one side of the fixing strip (1001), a filter screen (1003) is arranged in the filter frame (1002), the adjusting mechanism (200) comprises a pair of connecting sleeves (2001), the pair of connecting sleeves (2001) are clamped with the tops of the filter frame (1002), a first motor (2002) is arranged on one side of one of the connecting sleeves (2001), a threaded rod (2003) is connected with the output end of the first motor (2002) in a transmission manner, the other end of the threaded rod (2003) is movably connected with the other connecting sleeve (2001), a pair of limiting rods (2004) are connected between the pair of connecting sleeves (2001), the cleaning mechanism (300) comprises a sliding block (3001), the sliding block (3001) is in meshed connection with the sliding block (2003), the sliding block (3001) can slide on the outer sides of the pair of limiting rods (2004), a cleaning sleeve (3002) is arranged at the bottom of the sliding block (3001), a threaded rod (3002) is connected with the first motor (3006) in a transmission shaft (3002), a pair of driving shafts (3003) are arranged in the first motor (3002) and the second motor (3002) in a transmission shaft (3003), a pair of squeeze plates (3008) are installed in the outside of adjusting pole (3005), cam (3007) are installed in the outside of pivot (3006), just cam (3007) can extrude each other with squeeze plate (3008), adjust pole (3005)'s outside installation regulating block (3009), there are a plurality of backup pads (3010) in the outside of regulating block (3009), be connected with a plurality of first springs (3011) between the top in backup pad (3010) and installation cavity, cleaning board (3012) are installed to the bottom of regulating block (3009), just cleaning board (3012) can extrude each other with filter screen (1003).

2. The plastic extruder filter screen according to claim 1, wherein both sides of the cleaning sleeve (3002) are provided with limiting grooves (3004), and both ends of the adjusting rod (3005) can slide in the limiting grooves (3004).

3. The plastic extruder filter screen according to claim 1, wherein a pair of fixed slots (1004) are formed in the top of the filter frame (1002), a connecting shaft is connected to the inside of the fixed slots (1004) through a torsion spring, a connecting plate (2005) is mounted on the outer side of the connecting shaft, and a clamping column (2006) is mounted on one side of the connecting plate (2005).

4. A plastic extruder filter screen according to claim 3, characterized in that, inside sliding connection of adapter sleeve (2001) has fixed plate (2007), limiting plate (2013) is installed at the top of fixed plate (2007), a pair of stopper (2014) are installed to the bottom of adapter sleeve (2001), all be connected with second spring (2008) between limiting plate (2013) and a pair of stopper (2014), mounting groove (2016) and spout (2010) have been seted up to one side of fixed plate (2007), the internally mounted of mounting groove (2016) has cardboard (2009), draw-in groove (2011) have been seted up at the top of cardboard (2009), support piece (2012) are installed at the top of mounting groove (2016).

5. The plastic extruder filter screen of claim 4, wherein the clamping posts (2006) are slidable inside the chute (2010), the clamping posts (2006) are compressible with the abutment (2012), and the clamping posts (2006) are engageable with the clamping slots (2011).

6. The plastic extruder filter screen of claim 5, wherein the bottom of the abutment (2012) is rounded, and the abutment (2012) is located above the clamping groove (2011).

7. A plastic extruder filter screen according to claim 6, characterized in that a clamping sleeve (2015) is mounted at the bottom of the connecting sleeve (2001), and that the clamping sleeve (2015) and the fixing groove (1004) are mutually engageable.

8. A plastic extruder filter screen according to claim 1, characterized in that the bottom of the cleaning plate (3012) is equipped with a bumper pad.