CN219381542U

CN219381542U - Die head material filtering device of double-screw extruder

Info

Publication number: CN219381542U
Application number: CN202320563604.1U
Authority: CN
Inventors: 童有义; 任明达
Original assignee: Hefei Bilifu Plastic Technology Co ltd
Current assignee: Hefei Bilifu Plastic Technology Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-07-21
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a die head material filtering device of a double-screw extruder, which belongs to the technical field of masterbatch processing and comprises a hydraulic telescopic rod arranged on one side of a machine head, wherein a telescopic end of the hydraulic telescopic rod is provided with a filtering piece inserted into a preformed hole of the machine head, the filtering piece comprises a mounting plate, two filtering through holes are arranged on one side of the mounting plate at intervals, two mounting grooves are arranged at the upper end of the mounting plate corresponding to the positions of the filtering through holes, and each mounting groove is respectively communicated with each filtering through hole; a perforated plate is detachably inserted into each mounting groove, a chute is arranged on the lower end surface of the perforated plate, and the chute is communicated with the filtering holes on the perforated plate; the inside of the chute is slidably and detachably provided with a net sheet; when the filtering through holes on one side are exposed, the other filtering through holes continue to work in alignment with the discharge hole of the machine head, the net piece on one side is taken out, and the porous plate is reloaded into the filtering through holes after the net piece is replaced.

Description

Die head material filtering device of double-screw extruder

Technical field:

the utility model relates to the technical field of masterbatch processing, in particular to a die head material filtering device of a double-screw extruder.

The background technology is as follows:

the color master batch is a plastic coloring raw material produced by the process links of mixing, banburying, crushing, extrusion molding, cooling, drying, granulating, packaging and the like of chemical raw materials such as toner, carriers, auxiliary agents and the like.

In the process of extrusion molding of the color master batch, a double-screw extruder heats the mixed chemical raw materials such as the color powder, the carrier, the auxiliary agent and the like, extrudes the mixture from a machine head, and forms the color master batch by cooling; since the toner is ground and processed by a grinder, the residue of metal scraps and mineral particles is inevitably remained in the processing process, and the residue can influence the dispersibility of the toner in the color master batch in the process of forming the toner, a manufacturer can additionally arrange a porous plate and a mesh to filter the residue at the head position of a double-screw extruder in the process of extruding and forming the color master batch, but when the mesh of the mesh exceeds two hundred purposes, the filter screen is required to be frequently stopped and replaced, so that the processing of equipment is interrupted, and the production efficiency is seriously influenced.

To above-mentioned condition, the designer needs to design a section and drives the mounting panel through the hydraulic stem and slide in aircraft nose side-to-side, and gliding mounting panel can drive two perforated plates that set up on the mounting panel and switch back and forth, solves the inside net piece of current perforated plate, when needs change, need shut down the problem of carrying out the operation.

The utility model comprises the following steps:

in order to overcome the defects of the prior art, the utility model aims to provide the die head material filtering device of the double-screw extruder, a hydraulic rod drives a mounting plate to slide left and right at a machine head, and the sliding mounting plate can drive two porous plates arranged on the mounting plate to switch back and forth so as to solve the problems that the mesh inside the conventional porous plates is required to be stopped for operation when the mesh needs to be replaced.

The technical scheme of the utility model is as follows:

the die head material filtering device of the double-screw extruder comprises a hydraulic telescopic rod arranged on one side of a machine head, wherein a filtering piece inserted into a preformed hole of the machine head is arranged at the telescopic end of the hydraulic telescopic rod, the filtering piece comprises a mounting plate, two filtering through holes are arranged on one side of the mounting plate at intervals, two mounting grooves are arranged at positions, corresponding to the filtering through holes, of the upper end of the mounting plate, and each mounting groove is respectively communicated with each filtering through hole;

a perforated plate is detachably inserted into each mounting groove, a chute is arranged on the lower end surface of the perforated plate, and the chute is communicated with the filtering holes on the perforated plate; the inside of the chute is provided with a net piece in a sliding and detachable way.

Further, a wire guide rod is arranged on the mounting plate, and the middle part of the wire guide rod penetrates through the machine head.

Further, the length of the mounting plate is larger than twice the width of the machine head, when the mounting plate slides left and right, the perforated plate on one side can be always exposed, and the exposed perforated plate can be conveniently replaced.

Further, still include the installation framework, installation framework slidable mounting is inside the spout, and the net piece is installed inside the installation framework, and the net piece is equipped with two of interval distribution, can be when changing, remains always that a net piece is located inside the aircraft nose, can make the uninterrupted operation of twin-screw extruder.

Further, the projection shape of the installation frame body is U-shaped, a supporting screen plate is arranged in the sliding groove, and when the installation frame body slides into the sliding groove, the supporting screen plate is positioned between two net sheets.

Further, both sides of the installation frame body are connected with the porous plate through long rod bolts.

The utility model has the advantages that:

1. according to the utility model, the two filtering through holes are formed in the mounting plate, the perforated plate is arranged above the filtering through holes in the mounting plate in a sliding manner, so that the filtering through holes on one side can be exposed, when the filtering through holes on one side are exposed, the perforated plate in the filtering through holes can be conveniently pulled out, the net sheet on one side is taken out, and the perforated plate is reloaded into the filtering through holes after the net sheet is replaced.

2. According to the utility model, the mounting frame body is arranged on the outer side of the mesh, the mesh can be conveniently and fixedly mounted in the chute below the porous plate through the mounting frame body, and when the mesh is completely mounted in the mounting plate, the mesh is clamped by the inner wall of the mounting plate below and the inner wall of the chute above, so that the position of the mesh is prevented from shifting in the use process.

3. The two meshes are distributed at intervals, so that one mesh is always positioned in the machine head when the two meshes are replaced, and the twin-screw extruder can work uninterruptedly.

Description of the drawings:

fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of the overall structure of the filter according to the present utility model.

FIG. 3 is a schematic view of the structure of the mesh sheet of the present utility model installed inside a porous plate.

Reference numerals: 1. a machine head; 2. a hydraulic telescopic rod; 3. a filter; 301. a filtering through hole; 3-1, mounting plate; 4. a porous plate; 401. a chute; 402. a filter hole; 5. a guide rod; 6. installing a frame body; 7. a mesh.

The specific embodiment is as follows:

the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

1-3, including installing the hydraulic telescopic link 2 on one side of the aircraft nose 1, the telescopic end of the hydraulic telescopic link 2 has filter pieces 3 inserted into preformed holes of the aircraft nose 1, the filter pieces 3 include mounting plates 3-1, the interval of one side of mounting plate 3-1 has two to filter the through hole 301, the upper end of the mounting plate 3-1 corresponds to the position of the through hole 301 and has two mounting grooves, each mounting groove communicates with each through hole 301 separately;

a perforated plate 4 is detachably inserted into each mounting groove, a chute 401 is arranged on the lower end surface of the perforated plate 4, and the chute 401 is communicated with a filtering hole 402 on the perforated plate 4; the inside of the chute 401 is slidably and detachably provided with the mesh 7.

In the use process, the telescopic rod drives the filter element 3 to slide left and right, so that the discharge port of the head 1 of the double-screw extruder is aligned with different filter through holes 301, one side of the filter through holes 301 can be exposed, when one side of the filter through holes 301 are exposed, the porous plate 4 in the filter through holes 301 can be conveniently pulled out, one side of the mesh 7 is taken out, and the porous plate 4 is reloaded into the filter through holes 301 after the mesh 7 is replaced; because the perforated plate 4 is installed on the inner wall of the mounting plate 3-1, the filtering through holes 301 are arranged on the side surface of the mounting plate 3-1, and when the mounting plate 3-1 slides left and right, the filtering through holes 301 can be conveniently aligned with the discharge hole on the machine head 1, so that the switching of the working perforated plate 4 can be conveniently completed.

It should be noted that, the outside of the mesh 7 is provided with the installation frame 6, the mesh 7 can be conveniently and fixedly installed in the chute 401 below the porous plate 4 through the installation frame 6, when the mesh 7 is completely installed in the installation plate 3-1, the mesh 7 is clamped by the inner wall of the installation plate 3-1 below and the inner wall of the chute 401 above, so that the position of the mesh 7 is prevented from shifting in the use process.

Further, a wire guide rod is arranged on the mounting plate 3-1, and the middle part of the guide rod 5 passes through the machine head 1.

Further, the length of the mounting plate 3-1 is larger than the width of the handpiece 1 which is twice, when the mounting plate 3-1 slides left and right, the perforated plate 4 on one side can be always exposed, and the exposed perforated plate 4 can be conveniently replaced.

Further, still include installation framework 6, installation framework 6 slidable mounting is inside spout 401, and net piece 7 is installed inside installation framework 6, and net piece 7 is equipped with two of interval distribution, can be when changing, remains always that a net piece 7 is located inside aircraft nose 1, can make the uninterrupted operation of twin-screw extruder.

Further, the projection shape of the installation frame body 6 is U-shaped, a supporting screen plate is arranged in the sliding groove 401, and when the installation frame body 6 slides into the sliding groove 401, the supporting screen plate is positioned between the two net sheets 7.

Further, both sides of the mounting frame 6 are connected to the perforated plate 4 by long rod bolts.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The die head material filtering device of the double-screw extruder comprises a hydraulic telescopic rod arranged on one side of a machine head, wherein a filtering piece inserted into a preformed hole of the machine head is arranged at the telescopic end of the hydraulic telescopic rod;

a porous plate is detachably inserted into each mounting groove, a chute is arranged on the lower end surface of the porous plate, and the chute is communicated with the filtering holes on the porous plate; the inside of the chute is provided with a net piece in a sliding and detachable way.

2. The die head material filtering device of the double-screw extruder according to claim 1, wherein the mounting plate is provided with a wire rod, and the middle part of the wire rod penetrates through the machine head.

3. The twin screw extruder die head material filtration device of claim 1, wherein the mounting plate has a length greater than twice the die head width.

4. The die head material filtering device of the double-screw extruder according to claim 1, further comprising a mounting frame body, wherein the mounting frame body is slidably mounted in the chute, the mesh sheet is mounted in the mounting frame body, and the mesh sheet is provided with two mesh sheets which are distributed at intervals.

5. The die head material filtering device of the double-screw extruder according to claim 4, wherein the projection shape of the mounting frame body is U-shaped, a supporting screen plate is arranged in the sliding groove, and the supporting screen plate is positioned between two net sheets when the mounting frame body slides into the sliding groove.

6. The die head material filtering device of a double-screw extruder according to claim 4, wherein two sides of the mounting frame body are connected with the porous plate through long rod bolts.