CN209971469U

CN209971469U - Regenerated plastic melt filter

Info

Publication number: CN209971469U
Application number: CN201920425132.7U
Authority: CN
Inventors: 吴国梁; 林甬
Original assignee: ZHEJIANG LEENY TECHNOLOGY Co Ltd
Current assignee: Zhejiang Leneng Technology Co., Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-21
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a reclaimed plastic fuse-element filter relates to filter equipment technical field, and its technical scheme main points are: including the box that has the cavity in, filter element and arrange miscellaneous part, filter element is including setting up in the inside filter plate board of cavity, and feed chamber and unloading chamber are separated into with the cavity to filter plate board, are provided with the feed inlet on the box, arrange miscellaneous mouthful and discharge gate, arrange miscellaneous part and set up in arranging miscellaneous mouthful department, set up the logical groove of UNICOM's cavity on the outer wall of box, filter plate slides and connects in leading to inslot portion. When the filter screen plate needs to be cleaned or replaced, only pulling force needs to be applied to the filter screen plate, so that the filter screen plate moves towards the outer side of the box body, the box body and the scraper do not need to be detached, the cleaning and replacing processes of the filter screen plate become more convenient and quicker, and the production efficiency of the regenerated plastic melt filter is not easily affected by cleaning or replacing the filter screen plate.

Description

Regenerated plastic melt filter

Technical Field

The utility model relates to a filter equipment technical field, in particular to reclaimed plastic fuse-element filter.

Background

At present, Chinese patent with publication number CN204235863U discloses a wire-mesh-free filter, which comprises a box body, a filtering component and an impurity removing component, a cavity is arranged in the box body, the filtering part comprises a filter screen plate, the cavity is divided into a feeding cavity and a discharging cavity by the filter screen plate, an impurity discharging outlet is arranged in the feeding cavity and is connected with the impurity discharging component, a discharging hole is arranged on the discharging cavity, the box body is provided with a motor, the output shaft of the motor extends into the box body, the end part of the output shaft of the motor is positioned in the feeding cavity, the filter screen plate is sleeved on an output shaft of the motor, a scraper is fixedly arranged on the end part of the output shaft of the motor, the scraper contradicts in filter plate, the front end of box is provided with sealed lid, be provided with the feed inlet on the sealed lid, the feed inlet with feeding chamber UNICOM.

When needing to wash or change filter screen board, at first need take off sealed lid from the box for filter screen board and scraper expose in the external world, later take off the scraper from the motor output shaft, just can take out filter screen board from the cavity of box at last. This series of processes takes a long time and has a great influence on the production efficiency of the gauze-free filter.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a reclaimed plastic fuse-element filter, it has can comparatively make things convenient for, swiftly change filter plate, and the difficult advantage that receives the influence of its production efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions: a regenerated plastic melt filter comprises a box body, a filtering part and an impurity discharging part, wherein a cavity is formed in the box body, the filtering part comprises a filter screen plate arranged in the cavity, the filter screen plate divides the cavity into a feeding cavity and a discharging cavity, a feeding hole communicated with the feeding cavity, an impurity discharging hole communicated with the feeding cavity and a discharging hole communicated with the discharging cavity are formed in the box body, the impurity discharging part is arranged at the impurity discharging hole, a through groove communicated with the cavity is formed in the outer wall of the box body, and the filter screen plate is connected in the through groove in a sliding manner; the rotary screen plate feeding device is characterized in that a rotary shaft is connected to the box in a rotating mode, one end of the rotary shaft extends into the feeding cavity, a scraper is connected to the end portion of the feeding cavity, the scraper abuts against the screen plate, the other end of the rotary shaft protrudes out of the box, a driving piece is connected to the end portion of the box, and the driving piece is used for driving the rotary shaft to rotate.

Through the technical scheme, when the recycled plastic melt filter is used for filtering melt plastics, the melt plastics are injected into the feeding cavity from the feeding hole, the melt plastics entering the feeding cavity penetrate through the filtering holes in the filtering screen plate under the pressure effect and enter the discharging cavity, and the melt plastics in the discharging cavity are discharged from the discharging hole under the pressure effect. During the process of the molten plastic passing through the filter screen plate, impurities mixed in the molten plastic are blocked in the feeding cavity by the filter screen plate, and the blocked impurities can be attached to the surface of the filter screen plate. When the regenerated plastic melt filter is used, the rotating shaft is controlled to rotate through the driving piece, and the rotating shaft can drive the scraper to rotate at the same angular speed in the rotating process. The scraper can scrape off the impurity that adheres to the filter screen board surface at the pivoted in-process, and the impurity of being scraped by the scraper can fall into row's miscellaneous mouthful moreover, and the miscellaneous part of row of miscellaneous mouthful department can carry impurity away from this reclaimed plastic melt filter afterwards.

When the filter screen plate needs to be cleaned or replaced, only pulling force needs to be applied to the filter screen plate, so that the filter screen plate moves towards the outer side of the box body, the box body and the scraper do not need to be detached, the cleaning and replacing processes of the filter screen plate become more convenient and quicker, and the production efficiency of the regenerated plastic melt filter is not easily affected by cleaning or replacing the filter screen plate.

The regenerated plastic melt filter is mainly used for a plastic extrusion production line, can directly utilize plastic return materials or plastic waste materials for production or processing, does not need to be produced or processed after plastic granulation, and therefore reduces pollution to the environment and unnecessary energy consumption. The regenerated plastic melt filter can filter out impurities in the plastic melt and automatically discharge the impurities, such as: scrap iron, copper scrap, aluminum foil, wood scrap, paper scrap, and the like.

The regenerated plastic melt filter can be directly bridged between equipment and a die head (mold), occupies small space, is simple to maintain, has good plastic melt trafficability characteristic and small pressure fluctuation, improves the production benefit, and reduces the production running cost. The application fields are as follows: plastic granulation extrusion, plastic water supply and drainage pipe extrusion, hollow blow molding extrusion, plastic film extrusion, plastic plate or wire extrusion and other production lines.

Preferably, the driving piece includes the key-type connect in change epaxial driven gear, rotate connect in on the box and with the parallel transmission shaft of pivot, key-type connect in on the transmission shaft and with driven gear meshing's driving gear, through shaft coupling coaxial coupling in epaxial driving motor of transmission.

Through the technical scheme, use this reclaimed plastic melt filter to carry out the in-process of processing to fuse-element plastics, be connected driving motor with external power supply, driving motor's output shaft passes through the shaft coupling and drives the pivot and rotate, the pivot can drive the scraper rotation at the rotation in-process, the scraper can be scraped the impurity that adheres to on the filter screen board at the rotation in-process, make this filter screen board can last to filter the fuse-element impurity, guaranteed this reclaimed plastic melt filter's filter effect to a certain extent.

Preferably, be provided with on the box with carry the piece of drawing and reset that the pivot is connected, carry and draw the piece and be used for the drive the pivot is to keeping away from filter screen board one side removes, reset the piece and be used for the drive the pivot is to filter screen board one side removes.

Through above-mentioned technical scheme, at the in-process that uses this reclaimed plastic melt filter, the piece that resets applys with thrust to the pivot for pivot and be fixed in the epaxial scraper of commentaries on classics move to filter plate board one side, and the scraper supports tightly on filter plate's outer wall, with this assurance at pivot pivoted in-process, connect and can strike off the impurity that attaches to on filter plate board in the epaxial scraper of commentaries on classics. When the filter screen plate needs to be cleaned or replaced, a pulling force is applied to the rotating shaft through the pulling piece, so that the rotating shaft and the scraper move towards the side far away from the filter screen plate. When the scraper is separated from the filter screen plate, a user can take out the filter screen plate from the box body conveniently.

Preferably, the lifting piece comprises an oil cylinder connected to the outer wall of the box body, and a piston rod of the oil cylinder is coaxially connected with the rotating shaft through a coupler.

Through the technical scheme, when the filter screen plate needs to be cleaned or replaced, only the piston rod of the oil cylinder needs to be controlled to contract, and in the process, the piston rod of the oil cylinder drives the rotating shaft to move through the coupler.

Preferably, the piece that resets includes connecting seat and spring, connecting seat fixed connection in on the outer wall of pivot, the spring housing is located in the pivot, just one end fixed connection of spring in the connecting seat, the other end fixed connection of spring in the box, the spring is used for the drive the pivot is removed to filter plate one side.

Through above-mentioned technical scheme, when the washing of filter screen board or change were accomplished, with filter screen board from leading to the groove slip to the box inside, later control is carried and is drawn a failure, meanwhile, the piece that resets applys with thrust to the axis of rotation for pivot and scraper move to filter screen board one side, until the scraper support tightly in filter screen board's lateral wall.

Preferably, a placing cavity is formed in the box body, the rotating shaft penetrates through the placing cavity, and the resetting piece is located in the placing cavity.

Through above-mentioned technical scheme, will reset the piece and set up in placing intracavity portion, like this using this regeneration plastic melt filter's in-process, external dust and impurity can not contact canceling release mechanical system, guarantee that canceling release mechanical system can normal operating.

Preferably, the scraper is provided with a limiting block protruding towards the end face of the filter screen plate, and the filter screen plate is provided with a limiting groove for the limiting block to extend into.

Through above-mentioned technical scheme, at the in-process that uses this reclaimed plastic fuse-element filter, set up the stopper that sets up on the scraper and stretch into the inside to the spacing groove, and the outer wall of stopper is contradicted in the inner wall of spacing groove to this is guaranteed to be difficult for taking place the dislocation between scraper and the filter plate.

Preferably, the inside miscellaneous passageway of row that is provided with of box, just arrange miscellaneous passageway UNICOM in arrange miscellaneous mouth, arrange miscellaneous part and include screw rod and arrange miscellaneous motor, the screw rod is located arrange inside the miscellaneous passageway, just the screw rod with the box rotates to be connected, arrange miscellaneous motor set up in on the outer wall of box, just the output shaft of arranging miscellaneous motor pass through the shaft coupling with screw rod coaxial coupling.

Through the technical scheme, the impurity discharging motor is started in the process of using the regenerated plastic melt filter, and the impurity discharging motor drives the screw rod to rotate through the coupler. When impurities enter the impurity discharging channel through the impurity discharging port, the impurities enter a gap between the screw and the inner wall of the impurity discharging channel. In the process of screw rotation, the screw can promote impurity to remove in arranging miscellaneous passageway.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment, which is mainly used for showing an appearance structure of the embodiment;

fig. 2 is a schematic sectional view of the embodiment, which is mainly used for showing the components of the embodiment.

Reference numerals: 1. a box body; 2. a filter screen plate; 3. a trash removal component; 31. a screw; 32. a trash removal motor; 4. a cavity; 41. a feed cavity; 42. a discharge cavity; 5. a feed inlet; 6. a trash discharge port; 7. a discharge port; 8. a through groove; 9. a rotating shaft; 10. a scraper; 11. a drive member; 111. a driven gear; 112. a drive shaft; 113. a driving gear; 114. a drive motor; 12. a pulling member; 121. an oil cylinder; 13. a reset member; 131. a connecting seat; 132. a spring; 14. a placement chamber; 15. a limiting block; 16. a limiting groove; 17. and (4) a impurity removal channel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A regenerated plastic melt filter is shown in figures 1 and 2 and comprises a filter part, a box body 1 and an impurity removing part 3.

The filter element is in this embodiment a filter screen plate 2, and the filter screen plate 2 is arranged inside the box body 1 for filtering the melt plastic.

A cavity 4 is formed inside the box body 1, a through groove 8 communicated with the cavity 4 is further formed in the side wall of the box body 1, and the width of the through groove 8 is larger than that of the cavity 4. The sieve plate 2 is slidably connected inside the through slots 8, and when the sieve plate 2 is located inside the cavity 4, the sieve plate 2 divides the cavity 4 into a feeding cavity 41 and a discharging cavity 42. The box body 1 is provided with a feeding hole 5, and the feeding hole 5 is communicated with the feeding cavity 41. The box body 1 is provided with a discharge hole 7, the discharge hole 7 is communicated with the discharge cavity 42, and the discharge hole 7 and the feed inlet 5 are symmetrically distributed on two sides of the cavity 4. The box body 1 is provided with a trash discharging port 6, the trash discharging port 6 is communicated with the feeding cavity 41, and the trash discharging port 6 and the feeding port 5 are arranged side by side.

The box body 1 is also rotatably connected with a rotating shaft 9, and the central axis of the rotating shaft 9 passes through the center of the filter screen plate 2. One end of the rotating shaft 9 extends into the feeding cavity 41, a scraper 10 is arranged on the end part of the rotating shaft 9 extending into the feeding cavity 41, and the scraper 10 is used for abutting against the filter screen plate 2 and scraping impurities on the filter screen plate 2; the other end of the rotating shaft 9 penetrates through the outer wall of the box body 1, a driving piece 11 is connected to the end of the rotating shaft 9, and the driving piece 11 is used for driving the rotating shaft 9 to rotate.

A limiting block 15 is integrally formed on the end face of the scraper 10 facing the filter screen plate 2, and the central axis of the limiting block 15 coincides with the central axis of the scraper 10. The filter screen plate 2 is provided with a limiting groove 16 towards the end face of the scraper 10, the limiting block 15 extends into the limiting groove 16, and when the limiting block 15 extends into the limiting groove 16, the outer wall of the limiting block 15 abuts against the inner wall of the limiting groove 16.

The driving member 11 includes a driven gear 111, a transmission shaft 112, a driving gear 113, and a driving motor 114. The driven gear 111 is fixed to the rotary shaft 9 in the circumferential direction by a spline, and the driven gear 111 is located inside the case 1. The transmission shaft 112 is rotatably connected to the box body 1, and the central axis of the transmission shaft 112 is parallel to the central axis of the rotating shaft 9. One end of the transmission shaft 112 extends into the inner wall of the box body 1, and the other end of the transmission shaft 112 protrudes out of the outer wall of the box body 1. The driving gear 113 is keyed on the transmission shaft 112, and the driving gear 113 is meshed with the driven gear 111. The driving motor 114 is disposed on the outer wall of the box 1, and an output shaft of the driving motor 114 is connected with the transmission shaft 112 through a coupling.

When the scraper 10 needs to be controlled to rotate and the impurities on the filter screen plate 2 are scraped, the driving motor 114 is connected with an external power supply, the driving motor 114 drives the transmission shaft 112 to rotate through the coupler at the moment, in the rotating process of the transmission shaft 112, the driving gear 113 which is connected to the transmission shaft 112 in a key mode rotates at the same angular speed as the transmission shaft 112, meanwhile, the driven gear 111 which is meshed with the driving gear 113 rotates at the same linear speed as the driving gear 113, the rotating shaft 9 which is connected with the driven gear 111 through a spline rotates at the same angular speed as the driven gear 111, and in the rotating process of the rotating shaft 9, the scraper 10 connected to the rotating shaft 9 rotates at the same angular speed as the rotating shaft 9.

The box body 1 is also internally provided with a placing cavity 14, and the rotating shaft 9 penetrates through the center of the placing cavity 14. The reset piece 13 is arranged in the placing cavity 14, and the reset piece 13 is used for applying thrust to the rotating shaft 9, so that the rotating shaft 9 moves towards one side of the filter screen plate 2 until the scraper 10 abuts against the side wall of the filter screen plate 2.

The reset element 13 includes a connecting seat 131 and a spring 132, the connecting seat 131 is coaxially and fixedly connected to the rotating shaft 9, and the connecting seat 131 is located inside the placing cavity 14. The spring 132 is sleeved on the rotating shaft 9, one end of the spring 132 is fixedly connected with the connecting seat 131, and the other end of the spring 132 is fixedly connected with the inner wall of the placing cavity 14.

The box body 1 is also provided with a pulling piece 12 inside, and the pulling piece 12 is used for applying pulling force to the rotating shaft 9 so that the rotating shaft 9 moves to the side far away from the filter screen plate 2. The lifting member 12 is an oil cylinder 121 in this embodiment, the oil cylinder 121 is disposed on the outer wall of the box body 1, and a piston rod of the oil cylinder 121 is connected with the end of the rotating shaft 9 protruding out of the box body 1 through a coupling.

The inside miscellaneous passageway 17 of row that is provided with of box 1, and arrange miscellaneous passageway 17 UNICOM in row miscellaneous mouthful 6, arrange miscellaneous part 3 and include screw rod 31 and arrange miscellaneous motor 32, screw rod 31 is located and arranges miscellaneous passageway 17 inside, and screw rod 31 rotates with box 1 to be connected, arranges miscellaneous motor 32 and sets up on the outer wall of box 1, and the output shaft of arranging miscellaneous motor 32 passes through shaft coupling and screw rod 31 coaxial coupling.

The specific use process of the regenerated plastic melt filter is as follows: firstly, the molten plastic is injected into the feeding cavity 41 from the feeding port 5, then the molten plastic entering the feeding cavity 41 penetrates through the filter screen plate 2 under the action of pressure and enters the discharging cavity 42, and finally the molten plastic in the discharging cavity 42 is discharged from the discharging port 7 under the action of pressure. During the passage of the molten plastic through the screen plate 2, impurities entrained in the molten plastic are blocked in the feed chamber 41 by the screen plate 2. Meanwhile, the driving motor 114 is electrically connected with an external power supply, the driving power supply controls the rotation of the rotating shaft 9, and the scraper 10 arranged on the rotating shaft 9 can scrape off impurities attached to the filter screen plate 2 through rotation in the rotating process of the rotating shaft 9, so that the filter screen plate 2 can have a high filtering effect. The impurities scraped by the scraper 10 enter the impurity discharging channel 17 through the impurity discharging port 6, and then the impurity discharging motor 32 drives the screw rod 31 to rotate so as to discharge the impurities in the impurity discharging channel 17 to the regenerated plastic melt filter.

When the filter screen plate 2 needs to be taken out and cleaned or replaced, the oil cylinder 121 is controlled to control the rotating shaft 9 to move towards the side far away from the filter screen plate 2 until the limiting block 15 on the scraper 10 is separated from the limiting hole on the filter screen plate 2, and at the moment, only pulling force needs to be applied to the filter screen plate 2, so that the filter screen plate 2 slides out of the through groove 8. When the filter screen plate 2 is cleaned or replaced, the filter screen plate 2 slides into the box body 1 from the through groove 8, then the control oil cylinder 121 fails, and at the moment, the rotating shaft 9 moves towards one side of the filter screen plate 2 under the action of the elastic force of the spring 132, so that the scraper 10 arranged on the rotating shaft 9 is abutted against the side wall of the filter screen plate 2, and the limiting block 15 arranged on the scraper 10 extends into the limiting groove 16.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a recycled plastic melt filter, includes box (1), filter element and arranges miscellaneous part (3), box (1) is inside to be formed with cavity (4), filter element including set up in inside filter plate (2) of cavity (4), just filter plate (2) will feed chamber (41) and unloading chamber (42) are separated into in cavity (4), be provided with the UNICOM on box (1) in feed inlet (5), the UNICOM in of feed chamber (41) arrange miscellaneous mouthful (6), UNICOM in of feed chamber (41) discharge gate (7) in unloading chamber (42), arrange miscellaneous part (3) and set up in arranging miscellaneous mouthful (6) department, characterized by: a through groove (8) communicated with the cavity (4) is formed in the outer wall of the box body (1), and the filter screen plate (2) is connected inside the through groove (8) in a sliding manner; the utility model discloses a filter screen plate, including box (1), rotation is connected with pivot (9) on box (1), the one end of pivot (9) stretch into to feeding chamber (41), just pivot (9) stretch into to be connected with scraper (10) on the tip of feeding chamber (41), scraper (10) support tightly in filter screen plate (2), the other end protrusion of pivot (9) in box (1), just pivot (9) protrusion in be connected with driving piece (11) on the tip of box (1), driving piece (11) are used for the drive pivot (9) rotate.

2. The reclaimed plastic melt filter of claim 1 wherein: the driving piece (11) including the key-type connect in driven gear (111) on pivot (9), rotate connect in on box (1) and with transmission shaft (112), the key-type that pivot (9) are parallel connect in on transmission shaft (112) and with driven gear (111) engaged driving gear (113), through shaft coupling coaxial coupling in driving motor (114) on transmission shaft (112).

3. The reclaimed plastic melt filter of claim 1 wherein: the box (1) is provided with a lifting piece (12) and a resetting piece (13) which are connected with the rotating shaft (9), the lifting piece (12) is used for driving the rotating shaft (9) to be far away from one side of the filter screen plate (2), and the resetting piece (13) is used for driving the rotating shaft (9) to be moved on one side of the filter screen plate (2).

4. A recycled plastic melt filter as defined in claim 3, wherein: the lifting piece (12) comprises an oil cylinder (121) connected to the outer wall of the box body (1), and a piston rod of the oil cylinder (121) is coaxially connected with the rotating shaft (9) through a coupler.

5. A recycled plastic melt filter as defined in claim 3, wherein: reset piece (13) including connecting seat (131) and spring (132), connecting seat (131) fixed connection in on the outer wall of pivot (9), spring (132) cover is located on pivot (9), just the one end fixed connection of spring (132) in connecting seat (131), the other end fixed connection of spring (132) in box (1), spring (132) are used for the drive pivot (9) are removed to filter plate (2) one side.

6. A recycled plastic melt filter as defined in claim 3, wherein: the box (1) is internally provided with a placing cavity (14), the rotating shaft (9) penetrates through the placing cavity (14), and the resetting piece (13) is located inside the placing cavity (14).

7. The reclaimed plastic melt filter of claim 1 wherein: the scraper (10) is towards the limiting block (15) is arranged on the end face of the filter screen plate (2) in a protruding mode, and a limiting groove (16) for the limiting block (15) to stretch into is formed in the filter screen plate (2).

8. The reclaimed plastic melt filter of claim 1 wherein: the utility model discloses a trash-removing machine, including box (1), trash-removing channel (17), just trash-removing channel (17) UNICOM in trash removing mouth (6), trash-removing part (3) include screw rod (31) and trash-removing motor (32), screw rod (31) are located inside trash-removing channel (17), just screw rod (31) with box (1) rotates and is connected, trash-removing motor (32) set up in on the outer wall of box (1), just the output shaft of trash-removing motor (32) pass through the shaft coupling with screw rod (31) coaxial coupling.