CN219984095U - Large-area filter capable of stabilizing material pressure dish-shaped net - Google Patents

Abstract

The utility model relates to the technical field of filters, in particular to a large-area filter with dish-shaped meshes, which can realize high-mesh-number filtration and ensure long-period filtration, the larger the area is, the smaller the screen changing period is, the yield is greatly improved, the loss is reduced, a plurality of groups of dish-shaped meshes are arranged in the filter, the filtering area is reduced, the plurality of dish-shaped meshes can be synchronously removed and replaced through a diversion mandrel, a sealing gasket ring can tightly press and firmly seal the adjacent dish-shaped meshes, and melt filtered by the dish-shaped meshes only enters a diversion groove of the diversion mandrel through a through hole and is discharged from a discharge hole of the filter, so that the material pressure of the melt is stabilized, and the thickness of a product in the subsequent process is not influenced.

Description

Large-area filter capable of stabilizing material pressure dish-shaped net

Technical Field

The utility model relates to the technical field of filters, in particular to a large-area filter capable of stabilizing a material pressure dished net.

Background

The melt filter is used for continuously filtering the high polymer melt to remove impurities and unmelted particles in the melt so as to improve the performance and quality of the melt, and after the plastic particle raw material is changed into the melt, the melt is required to be filtered through the filter to filter out the impurities, and the filtered melt is used for manufacturing products.

However, when the filter screen increases the filtering area, the volume can be correspondingly increased, so that the production field space is occupied, other pollutants are easily introduced in the process of replacing the filter screen, most of the existing long-acting filter is of a net sheet type, because of structural limitation, at most 10 groups of filter screens can be installed, the filtering area is smaller, the filtering area cannot be effectively increased, the material pressure of the melt cannot be ensured when the existing filter filters the melt, the thickness of products in the subsequent process can be influenced, the quality of the products is further influenced, certain defects exist, and therefore, the disc-shaped filter large area filter capable of stabilizing the material pressure is necessary to be developed.

Disclosure of Invention

Aiming at the defects and problems, the utility model provides the large-area filter with the stable material pressure dished net, which has a unique structure, can realize high-mesh filtering and simultaneously ensure long-period filtering, has larger area and smaller net replacement period, greatly improves the yield, reduces the loss, is internally provided with a plurality of groups of dished nets, reduces the volume and simultaneously can increase the filtering area, can synchronously dismantle and replace the dished nets through the guide mandrel, can tightly press and firmly seal the adjacent dished nets, and ensures that melt filtered by the dished nets enters the guide groove of the guide mandrel only through the through holes and is discharged from the discharge hole of the filter, so that the material pressure of the melt is stable, and the thickness of products in the subsequent process cannot be influenced.

The utility model solves the technical problems by adopting the scheme that: the large-area filter with the stable material pressure dished net comprises a main body and a filtering assembly, wherein the filtering assembly comprises a diversion mandrel vertically assembled in the main body, a plurality of dished nets are sequentially assembled on the diversion mandrel from top to bottom, a sealing gasket ring for tightly pressing and sealing the dished nets is arranged between the adjacent dished nets, and a feeding cavity is formed between the dished nets and the inner wall of the main body; the central hole circumference of the dish-shaped net is provided with a through hole, the circumferential side wall of the diversion mandrel is provided with a diversion trench corresponding to the through hole, the inside of the dish-shaped net is communicated with the through hole, the diversion trench and the inside of the dish-shaped net form a sealed discharging channel, the melt filtered by the dish-shaped net can be discharged through the discharging channel, the bottom in the main body is provided with a discharging hole, and the output end of the diversion trench is communicated with the discharging hole.

Further, the dish-shaped net comprises a framework and a filter screen, the middle part of the framework is provided with a central hole, the dish-shaped net can be matched and sleeved on the flow guide mandrel through the central hole, the filter screen is arranged on the upper end face and the lower end face of the framework, and melt filtered by the filter screen can enter the flow guide groove through the through hole.

Further, at least four guide grooves corresponding to the through holes are formed in the periphery of the guide mandrel, and at least four guide grooves are formed in the inner circles Zhou Tongkong of the central holes of the disc-shaped net.

Further, the inside of the main body is of a cylindrical hollow structure.

Further, a diversion cone is arranged at the top of the diversion mandrel and is connected with the diversion mandrel through bolts, and the diversion cone can compress and stabilize the dish-shaped net or the sealing gasket sleeved on the diversion mandrel.

The utility model has the beneficial effects that: the utility model has unique structure and ingenious design, a plurality of groups of dish-shaped nets are arranged in the main body, the volume is reduced, the filtering area can be increased, the dish-shaped nets can be synchronously removed and replaced through the flow guide mandrel, the disassembly is convenient, other pollutants can not be introduced in the process of replacing the dish-shaped nets, the sealing gasket ring can tightly press and firmly seal the adjacent dish-shaped nets, and the melt filtered by the dish-shaped nets only enters the flow guide groove of the flow guide mandrel through the through hole and is discharged from the discharge hole of the filter, so that the material pressure of the melt is stabilized, and the thickness of products in the subsequent procedures can not be influenced.

Drawings

Fig. 1 is an internal cross-sectional view of the present utility model.

FIG. 2 is a schematic view of the structure of the dished net of the present utility model.

In the figure: the device comprises a 1-feeding hole, a 2-main body, a 3-diversion cone, a 4-diversion mandrel, a 5-dished net, a 6-diversion trench, a 7-through hole, an 8-feeding cavity, a 9-sealing backing ring, a 10-discharging hole and a 12-central hole.

Detailed Description

The utility model will be further described with reference to the drawings and examples.

Embodiment 1, when the filter screen in the existing filter increases the filtration area, the volume also can correspondingly increase, resulting in occupying the production field space, and other pollutants are also introduced easily at the in-process of changing the filter screen, and the existing long-acting filter is mostly of the net sheet type, because the structure restriction, at most only 10 groups of filter screens can be installed, the filtration area is smaller, the filtration area can not be effectively increased, and the material pressure of the melt can not be ensured when the existing filter filters the melt, the thickness of the product in the subsequent process can be influenced, further the quality of the product is influenced, and certain defects exist.

In order to solve the above problems, this embodiment provides a large-area filter with a stable material pressure dished net, as shown in fig. 1-2, the inside of the main body 2 is in a cylindrical hollow structure, a feed inlet 1 and a discharge outlet 10 are respectively provided at the top and bottom of the main body, the material can enter the inside of the main body 2 from the feed inlet 1, a filter assembly is provided in the inside of the main body 2, the filter assembly comprises a diversion mandrel 4 vertically assembled in the main body 2, a plurality of dished nets 5 are sequentially assembled on the diversion mandrel 4 from top to bottom, in this embodiment, at least 20 dished nets 5 are assembled, one structure of dished nets 5 is as shown in fig. 2, the dished nets 5 comprises a framework and a filter screen, a central hole 12 is provided in the middle of the framework, dished nets 5 can be matched and sleeved on the diversion mandrel 4 through the central hole 12, a filter screen is provided at the upper end surface and the lower end surface of the framework, a sealing gasket 9 for pressing and sealing the dished nets 5 is provided between the adjacent dished nets 5, the sealing gasket 9 is matched and sleeved on the diversion mandrel 4, and a feed cavity 8 is formed between each dished net 5 and the inner wall of the main body 2;

four through holes 7 are formed in the inner circumference of the central hole 10 of the dish-shaped net 5 in a penetrating manner, four diversion trenches 6 corresponding to the through holes 7 are formed in the circumferential side wall of the diversion mandrel 4, the output end of each diversion trench 6 is communicated with the corresponding discharge hole 110, meanwhile, the inside of the dish-shaped net 5 is communicated with the corresponding through holes 7, each diversion trench 6 and the inside of the dish-shaped net 5 form a sealed discharge channel through the corresponding through holes 7, the seal gasket 9 can divide the discharge channel, and melt filtered by the dish-shaped net 5 can enter the corresponding diversion trenches 6 through the corresponding through holes 7 and can only be discharged from the corresponding diversion trenches 6.

After the melt material enters the internal feeding cavity 8 of the main body 2 from the feeding hole 1, the melt material enters the dish-shaped net 5, is filtered through the dish-shaped net 5 and enters the dish-shaped net 5, the filtered melt material flows into the diversion groove 6 through the through hole 7, the melt material in the diversion groove 6 is discharged from the discharging hole 10 and enters the next procedure, meanwhile, the adjacent dish-shaped net 5 can be pressed and firmly sealed through the sealing backing ring 9, the melt material filtered by the dish-shaped net can only enter the diversion groove 6 of the diversion mandrel 4 through the through hole 7, the material pressure of the melt is stabilized, the thickness of a product in the subsequent procedure is not influenced, a plurality of dish-shaped nets can be synchronously removed and replaced through the diversion mandrel 4, the long-period net replacement can be realized through the filter composed of the dish-shaped net 5 which is more than 20 sheets, and the dish-shaped net can be cleaned repeatedly.

Example 2 a large area filter of a steadily increasing stock pressure dish net in this embodiment will be described centering on the differences from example 1.

In this embodiment, be equipped with the reposition of redundant personnel awl 3 at water conservancy diversion dabber 4 top, water conservancy diversion awl 3 and water conservancy diversion dabber 4 bolted connection can compress tightly firm to the dish net 5 or the sealing gasket of suit on water conservancy diversion dabber 4 through water conservancy diversion awl 3 to the melt material shunts.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (5)

1. The large-area filter with the stable material pressure dished net comprises a main body and is characterized by further comprising a filtering assembly, wherein the filtering assembly comprises a diversion mandrel vertically assembled in the main body, a plurality of dished nets are sequentially assembled on the diversion mandrel from top to bottom, a sealing backing ring for tightly pressing and sealing the dished nets is arranged between the adjacent dished nets, and a feeding cavity is formed between the dished nets and the inner wall of the main body; the central hole circumference of the dish-shaped net is provided with a through hole, the circumferential side wall of the diversion mandrel is provided with a diversion trench corresponding to the through hole, the inside of the dish-shaped net is communicated with the through hole, the diversion trench and the inside of the dish-shaped net form a sealed discharging channel, the melt filtered by the dish-shaped net can be discharged through the discharging channel, the bottom in the main body is provided with a discharging hole, and the output end of the diversion trench is communicated with the discharging hole.

2. The large-area filter with the stable material pressure dished net according to claim 1, wherein the dished net comprises a framework and a filter screen, the middle part of the framework is a central hole, the dished net can be matched and sleeved on a diversion mandrel through the central hole, the filter screens are arranged on the upper end face and the lower end face of the framework, and melt filtered by the filter screens can enter the diversion trench through the through holes.

3. The large area filter of claim 2, wherein the disc-shaped net has at least four holes Zhou Tongkong and four flow guide grooves corresponding to the through holes are formed along the circumference of the flow guide mandrel.

4. The stabilised pressure dished net large area filter according to claim 1, wherein the body is internally of cylindrical hollow configuration.

5. The large-area filter with the stable material pressure dished net according to claim 1, wherein a diversion cone is arranged at the top of the diversion mandrel, the diversion cone is connected with the diversion mandrel through a bolt, and the dished net or the sealing gasket sleeved on the diversion mandrel can be pressed firmly through the diversion cone.