Self-cleaning melt non-net filtering device with deslagging function

Abstract

The utility model discloses a self-cleaning melt net-free filtering device with an efficient slag discharging function. The device comprises a filtering assembly, a slag discharging assembly, a feeding port, a discharging port, a coupler, a controller and a first motor. Wherein the filtering assembly mainly comprises a plurality of supporting plates, filtering plates and scrapers which are arranged in a one-to-one correspondence manner, and is used for filtering material impurities; the deslagging assembly comprises a deslagging screw rod, a deslagging extrusion screw cylinder, a backflow pipe, a backflow transition body, a deslagging opening, a material receiving disc and a second motor, and deslagging and solution recycling can be achieved; the applicability and usability of the device are further improved through a heating assembly, a movable support, a safety protection cover, a pressure sensor, a temperature sensor and a controller.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic recycling, particularly to a self-cleaning melt netless filtering device with a slagging function. BACKGROUND

[0002] The melt netless filtering device is an important equipment for filtering impurities during secondary recycling of materials generated in polymerization production, extrusion production, plastic modification and the like, and can filter various impurities in the materials.

[0003] The melt netless filtering device has the problem of insufficient slagging purity in use, as most of the peeled impurities are discharged together with the materials, and the discharged impurities often contain a high proportion of usable materials, resulting in waste of raw materials and difficulty in treatment of slagging waste.

[0004] The utility model aims at solving the technical problems in the prior art, and provides a self-cleaning melt netless filtering device with a slagging function. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a self-cleaning melt netless filtering device with a slagging function to solve the problems in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides a self-cleaning melt netless filtering device with a slagging function, which comprises a filtering assembly, a slagging assembly, a feed inlet, a discharge outlet, a coupling, a controller and a first motor.

[0007] Further, the drive shaft is rotatably installed in the filtering assembly housing, and the first motor is used to drive the drive shaft to rotate and drive the scraper group to rotate.

[0008] Further, the scraper group comprises a plurality of support plates, a plurality of filter plates and a plurality of scrapers, wherein the scraper is provided with a compression spring and a spring sleeve; the support plate, the scraper and the filter plate are one-to-one correspondingly arranged.

[0009] Further, the slagging screw is electrically connected to the second motor through the coupling.

[0010] Further, the filter assembly is further provided with a pressure sensor and a temperature sensor.

[0011] Further, the backflow transition body and the backflow pipe are arranged at the end of the residue discharging extrusion screw cylinder.

[0012] Further, the residue discharging screw is provided with a feeding section, an extruding section and a shielding section, the residue discharging port is arranged at the near shielding section, and the outer edge of the shielding section is provided with a micro collection groove.

[0013] Further, the backflow pipe is provided with a backflow self-closing ball valve.

[0014] Further, the outside of the top of the feeding port is fixedly connected with a feeding pipe, one side of the discharging port is fixedly connected with a discharging pipe, and the other side of the discharging pipe is connected with a die head.

[0015] Further, the controller is electrically connected with the pressure sensor, the temperature sensor, the first motor and the second motor respectively.

[0016] Compared with the prior art, the self-cleaning melt meshless filter device with residue discharging function has the following beneficial effects:

[0017] 1. The self-cleaning melt meshless filter device with residue discharging function drives the driving shaft to rotate through the first motor, and then drives the scraper group to rotate, and cooperates with the cylinder, the end pressure cover and the sealing ring to filter the material in the upstream equipment entering the filter device through the feeding port, thereby improving the filtering effect.

[0018] 2. The self-cleaning melt meshless filter device with residue discharging function is provided with a feeding section, an extruding section, a shielding section and a material collection groove, the shielding section and the screw cylinder are designed with a micro gap resistance, and the outer circle of the shielding section is provided with a micro collection groove, so that only clean material and very small particles can pass through the material collection groove and re-enter the filter assembly through the backflow pipe, and the residue is discharged through the residue discharging port, which is beneficial to fully exert the screening performance of the residue discharging assembly and improve the screening effect.

[0019] 3. The self-cleaning melt meshless filter device with residue discharging function drives the residue discharging screw to rotate through the second motor, and the controller is electrically connected with the pressure sensor, the temperature sensor and the second motor, so that the residue discharging screw operates in cooperation with the pressure before the filter plate, and the whole process does not need manual adjustment control, which can further improve the recovery efficiency and improve the practicability. DETAILED DESCRIPTION

[0020] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments illustrated in the drawings are intended to explain the present application and are not intended to limit the present application. In the drawings:

[0021] Figure 1 A structure schematic view of the self-cleaning melt net-free filtering device with slagging function is provided in the utility model.

[0022] Figure 2 A partial structure schematic view of the self-cleaning melt net-free filtering device with slagging function is provided in the utility model.

[0023] Figure 3 A partial structure schematic view of the self-cleaning melt net-free filtering device with slagging function is provided in the utility model.

[0024] In the drawing: 1, filtering assembly; 2, slagging assembly; 3, first motor; 4, second motor; 5, coupling; 6, backflow pipe; 7, driving shaft; 8, slagging port; 9, slagging screw rod; 10, slagging extrusion cylinder; 11, end pressure cover; 12, cylinder body; 13, support plate; 14, filter plate; 15, scraper; 16, scraper group; 17, pressure sensor; 18, heating assembly; 19, micro collection groove; 20, feeding section; 21, extrusion section; 22, shielding section. DETAILED DESCRIPTION

[0025] The embodiments of the utility model are explained below through specific examples, and the person skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. The utility model can also be implemented or applied through different specific embodiments, and the details in the specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model. It should be noted that the drawings provided in the following examples only illustrate the basic concept of the utility model in a schematic manner, and the following examples and features in the examples can be combined with each other without conflict.

[0026] Among them, the drawing is only used for example for illustration, and the representation is only a schematic drawing, not a physical drawing, and cannot be understood as a limitation on the utility model; in order to better illustrate the embodiments of the utility model, some components in the drawing will be omitted, enlarged or reduced, and do not represent the size of the actual product; for the person skilled in the art, it is understandable that some known structures and their descriptions in the drawing can be omitted.

[0027] The same or similar reference signs in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it is understood that if the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present application, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0028] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0029] Embodiment one

[0030] Please refer to Figure 1 The present embodiment provides a self-cleaning melt net-free filtering device with slagging function, which comprises a filtering assembly 1, a slagging assembly 2, a feed inlet, a discharge outlet, a coupling 5, a controller and the filtering assembly 1; wherein the filtering assembly 1 is a shell, the shell comprises a cylinder 12, a scraper group 16, an end pressure cover 11, a driving shaft 7, a heating assembly 18 and a sealing ring; the slagging assembly 2 comprises a slagging screw 9, a slagging extrusion screw cylinder 10, a backflow pipe 6, a backflow transition body, a slagging port 8, a material receiving disc and a second motor 4, and the backflow pipe 6 is connected to the filtering assembly 1; the shell of the filtering assembly 1 is provided with the feed inlet on one side, and the shell of the filtering assembly 1 is provided with the discharge outlet on the side away from the feed inlet; the filtering assembly 1 and the slagging assembly 2 are fixedly connected with a material conveying pipe; a moving bracket is slidably installed on the outer surface of the bottom end of the slagging assembly 2; the filtering assembly 1 is provided with a safety protective cover, and simultaneously, an inlet pipe is fixedly connected to the outside of the top of the feed inlet, a discharge pipe is fixedly connected to one side of the discharge outlet, and the other side of the discharge pipe is connected to a die head.

[0031] Please refer to Figure 2 As shown in the drawings, the driving shaft 7 is rotatably installed in the shell of the filtering assembly 1, the filtering assembly 1 is used to drive the rotation of the driving shaft 7, and the driving shaft 7 drives the rotation of the scraper group 16, the scraper group 16 comprises a plurality of support plates 13, a plurality of filter plates 14 and a plurality of scrapers 15, wherein the scrapers 15 are provided with compression springs and spring sleeves, which further improves the stability of the device; the support plates 13, the scrapers 15 and the filter plates 14 are one-to-one correspondingly arranged, and a plurality of groups of operations can also be arranged according to the requirements.

[0032] In a preferred embodiment, the slagging screw 9 is electrically connected to the second motor 4 through the coupling 5, and the backflow transition body and the backflow pipe 6 are arranged at the end of the slagging extrusion screw cylinder 10.

[0033] As shown in Figure 3 As shown in the drawings, the slagging screw 9 is provided with a feeding section 20, an extruding section 21 and a shielding section 22, the slagging port 8 is arranged at the shielding section 22, and the outer edge of the shielding section 22 is provided with a micro collection groove 19. Specifically, the slagging screw 9 is circumferentially provided with staggered arranged screw edges, and the mixed plastic fragments are extruded by the cooperation of the slagging screw 9 and the slagging extrusion screw cylinder 10 when passing through the extruding section 21. However, at this time, the plastic fragments still contain impurities, and when passing through the shielding section 22, the micro collection groove 19 arranged at the shielding section 22 can filter the impurities, and the impurities are discharged through the slagging port 8, thereby completely completing the filtering work; the plastic waste without impurities reenters the filtering assembly 1 through the backflow pipe 6.

[0034] The backflow pipe 6 is provided with a self-closing ball valve, and a fluid cavity is formed in the self-closing valve core. One end of the self-closing valve core is connected to the spring, and the other end of the self-closing valve core is communicated with the fluid cavity. When the valve core of the self-closing ball valve is pressed in the axial direction of the backflow pipe 6, the self-closing valve core can move towards the fluid cavity under the action of the spring, so that the fluid cavity is communicated with the filtering assembly 1, thereby enabling the fluid in the backflow pipe 6 to enter the filtering assembly 1. When the self-closing ball valve is not pressed in the axial direction of the backflow pipe 6, the backflow pipe 6 is in a closed state.

[0035] In a preferred embodiment, the backflow pipe 6 is provided with a backflow self-closing ball valve, the filtering assembly 1 is further provided with a pressure sensor 17 and a temperature sensor, and the controller is electrically connected to the heating assembly 18, the pressure sensor 17, the temperature sensor, the filtering assembly 1 and the second motor 4. Specifically, the signal output end of the pressure sensor 17 is signal connected to the signal input end of the controller, the signal output end of the controller is signal connected to the signal input end of the second motor 4, and the controller controls the heating state of the heating assembly 18 through the temperature data detected by the temperature sensor, and the temperature in the housing of the filtering assembly 1 is increased through heating, thereby improving the cutting efficiency of the plastic waste.

[0036] The working principle and working process of the utility model are as follows:

[0037] Firstly, before the recycling of the plastic waste, the device can be connected to an external power supply, and an external feeding equipment and the feeding pipe of the device, and the die head and the discharge pipe of the device are connected in communication, so as to complete the preparation before the recycling of the plastic.

[0038] When the plastic needs to be filtered and recycled, the plastic waste can be put into the shell of the filtering assembly 1 through the feeding port, and the filtering assembly 1 is started, at this time the driving shaft 7 penetrating through the shell of the filtering assembly 1 can be driven to rotate by the filtering assembly 1, and when the driving shaft 7 rotates, the scraper group 16 can be driven to rotate.

[0039] When the scraper group 16 is driven to rotate by the driving shaft 7, since the scraper group 16 includes a plurality of support plates 13, a plurality of filtering plates 14 and a plurality of scrapers 15, the scraper group 16 can drive the scraper 15 to rotate when rotating, cut the plastic waste in the shell of the crushing box filtering assembly 1, and complete the preliminary cutting process. After the plastic waste containing impurities is preliminarily cut, the plastic pieces without impurities are filtered by the filtering plate 14, enter the die head through the discharge pipe, and complete the filtering; the impurities filtered out by the filtering plate 14 enter the slag discharge assembly 2 through the slag material outlet.

[0040] The plastic pieces containing slag impurities entering the slag discharge assembly 2 pass through the feeding section 20, the extrusion section 21 of the slag discharge screw rod 9 in sequence under the cooperation of the slag discharge extrusion screw cylinder 10 and the slag discharge screw rod 9, and are finally extruded to the shielding section 22 of the slag discharge screw rod 9. The outer circle of the shielding section is provided with a micro collection groove 19, the slag impurities complete the second filtering in the micro collection groove 19 of the shielding section, and are discharged through the slag discharge port 8; the plastic waste without impurities passes through the micro collection groove 19 in sequence and reenters the filtering assembly 1 through the return pipe 6, and the slag discharge operation on the plastic waste is completed, and the slag impurities are discharged through the screw cylinder slag discharge port 8, and the slag content of the discharge is high.

[0041] The controller is electrically connected with the heating assembly 18, the pressure sensor 17, the temperature sensor, the first motor 3 and the second motor 4, so that the slag discharge assembly 2 can be adjusted in real time according to the working condition of the filtering assembly 1, and the working efficiency is improved.

[0042] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any changes or replacements easily thought of by those skilled in the art within the technical range disclosed in the present application should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A self-cleaning melt meshless filtration device with slagging function, characterized in that, The utility model relates to a filter assembly, a residue discharging assembly, a feeding port, a discharging port, a coupling, a controller and a first motor, wherein The filter assembly is a housing, which comprises a cylinder, a scraper group, an end gland, a drive shaft, a heating assembly and a sealing ring; The residue discharging assembly comprises a residue discharging screw, a residue discharging extrusion screw cylinder, a backflow pipe, a backflow transition body, a residue discharging port, a receiving tray and a second motor, and the backflow pipe is connected to the filter assembly; The filter assembly is provided with the feeding port on one side of the housing, and the discharging port is provided on the side of the housing away from the feeding port; The residue discharging assembly is provided with a moving bracket slidingly installed on the outer surface of the bottom end; The filter assembly is provided with a safety shield; The filter assembly is further provided with a pressure sensor and a temperature sensor. The drive shaft is rotatably installed in the filter assembly housing, the first motor is used to drive the drive shaft to rotate, and the scraper group is driven to rotate by the drive shaft.

2. The self-cleaning melt meshless filter device with deslagging function according to claim 1, characterized in that, The scraper group comprises a plurality of support plates, a plurality of filter plates and a plurality of scrapers, wherein 3. The self-cleaning melt meshless filter device with deslagging function according to claim 1, characterized in that, The scraper is provided with a compression spring and a spring sleeve; The support plate, the scraper and the filter plate are one-to-one correspondingly arranged. The residue discharging screw is electrically connected to the second motor through the coupling.

4. The self-cleaning melt meshless filter device with deslagging function according to claim 1, characterized in that, The backflow transition body and the backflow pipe are arranged at the end of the residue discharging extrusion screw cylinder.

5. The self-cleaning melt meshless filter device with deslagging function according to claim 1, characterized in that, The residue discharging screw is provided with a feeding section, an extrusion section and a shielding section, the residue discharging port is arranged on the shielding section, and the outer edge of the shielding section is provided with a micro collection groove.

6. The self-cleaning melt meshless filter device with deslagging function according to claim 1, characterized in that, The backflow pipe is provided with a backflow self-closing ball valve.

7. The self-cleaning melt meshless filter device with deslagging function according to claim 3, characterized in that, The feeding port is fixedly connected with a feeding pipe on the outside of the top, one side of the discharging port is fixedly connected with a discharging pipe, and the other side of the discharging pipe is connected with a die head.

8. The self-cleaning melt meshless filter device with deslagging function according to claim 1, characterized in that, The controller is electrically connected with the heating assembly, the pressure sensor, the temperature sensor, the first motor and the second motor respectively.

9. The self-cleaning melt meshless filter device with deslagging function according to claim 1, characterized in that, ​

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