CN210792025U - Double-layer filter screen plate structure inside extruder head - Google Patents
Double-layer filter screen plate structure inside extruder head Download PDFInfo
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- CN210792025U CN210792025U CN201921210739.XU CN201921210739U CN210792025U CN 210792025 U CN210792025 U CN 210792025U CN 201921210739 U CN201921210739 U CN 201921210739U CN 210792025 U CN210792025 U CN 210792025U
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- filter screen
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- extruder head
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Abstract
The utility model discloses a double-layer filter screen plate structure in an extruder head, wherein a second filter screen plate matched with the first filter screen plate is arranged in a through groove, at least one traction rod perpendicular to the plane of the second filter screen plate is arranged on the second filter screen plate, one end of the traction rod is connected with the second filter screen plate, and the other end of the traction rod is positioned at the feed end of the through groove; heating wires are arranged on the second filter screen plate along the circumferential edge of the screen plate and on the traction rod, and a heating switch of each heating wire is positioned at the end head of the traction rod at the feeding end; the draw bar reciprocates along the groove of the connecting rod, and the draw bar and the connecting rod are positioned on the same curved surface. The utility model provides a continuous silk of discharge gate when clearance otter board improves production efficiency, the inside double-deck otter board structure of filtering of aircraft nose of being convenient for otter board clearance.
Description
Technical Field
The utility model relates to an extrusion moulding equipment technical field, concretely relates to extrude inside double-deck filter plate structure of aircraft nose.
Background
The plastic extruder is used for plasticizing and molding plastic, and is characterized in that solid raw materials are changed into uniform melt through heating, and then the melt is continuously extruded from an extruder head through an extrusion system at a certain pressure and speed to form the required plastic. In the plastic extrusion process, the melt is plasticized and heated for a long time to generate decomposed residues, and impurities in the raw materials are added, so that once the melt enters the extruder head, the prepared plastic part is easy to have defects and even normal production is affected, and therefore, a filter screen is required to be arranged to filter impurities. As time goes on, the build-up of debris on the screen increases the pressure in the extruder head and the melt flow drops, requiring the screen to be replaced after a period of use in order to maintain proper production.
The extruder in the polyethylene production process consists of a main machine and an auxiliary machine, and raw materials flow to the auxiliary machine for extrusion and bracing after being melted and plasticized by the main machine. Because a large amount of impurities such as aluminum scraps exist in the raw materials, single-layer left-right moving die heads are respectively arranged on the main machine and the auxiliary machine and are used for switching when excessive impurities cause material overflow. When the impurities of the main machine and the auxiliary machine are excessive and the materials are overflowed, the die head is moved left and right to pull out the mesh sheets for cleaning, when the mesh sheets of the main machine are cleaned and the mesh sheets are switched left and right, more materials still exist in the auxiliary machine, and the normal operation of the auxiliary machine can be maintained and the stay is continuous; when the auxiliary machine net piece is cleaned and the net plates are switched left and right, the auxiliary machine net piece is close to the discharge hole, the brace is broken due to short material breaking, and brace granulation needs to be carried out again.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide a continuous silk of discharge gate when clearing up the otter board, improve production efficiency, the inside double-deck otter board structure of filtering of extruder head of being convenient for otter board clearance.
In order to achieve the purpose, the technical scheme of the utility model is to design a double-layer filter screen plate structure in an extrusion machine head, which comprises an extrusion machine head main body and a filter screen plate, wherein a through groove is arranged in the extrusion machine head main body, and a first filter screen plate and a second filter screen plate are arranged in the through groove; a material buffer zone is arranged between the first filter plate and the second filter plate; the first filter screen plate is provided with at least two connecting rods perpendicular to the plane of the first filter screen plate, one end of each connecting rod is connected with the first filter screen plate, the other end of each connecting rod is positioned at the feeding end of the through groove, the other end of each connecting rod is provided with a connecting piece, the connecting pieces are perpendicular to the connecting rods, and a supporting air rod is arranged between each connecting piece and the feeding end of the through groove; the inner wall of the through groove is provided with a groove matched with the connecting rod, the connecting rod reciprocates along the groove, and the connecting rod and the inside of the through groove are positioned on the same curved surface;
a second filter screen plate matched with the first filter screen plate is arranged in the through groove, at least one draw bar perpendicular to the plane of the second filter screen plate is arranged on the second filter screen plate, one end of the draw bar is connected with the second filter screen plate, and the other end of the draw bar is positioned at the feeding end of the through groove; heating wires are arranged on the second filter screen plate along the circumferential edge of the screen plate and on the traction rod, and a heating switch of each heating wire is positioned at the end head of the traction rod at the feeding end; the draw bar reciprocates along the groove of the connecting rod, and the draw bar and the connecting rod are positioned on the same curved surface.
As the preferred technical scheme, the circumferential edge of the second filter screen plate is provided with a groove, the heating wire is positioned in the groove, and a copper sealing ring is arranged outside the groove. When the screen plate is replaced by the plastic extruding machine, the material is solidified on the screen plate and the inner wall of the through groove, so that the replacement difficulty is high, a heating device is arranged at the edge of the screen plate, the raw materials of the inner wall and the screen plate are melted, and the screen plate is convenient to replace.
Preferably, the distance between the first filter screen plate and the second filter screen plate is 1/3-1/2 of the length of the extruder head main body. The utility model discloses with the die head extension, imbed double-deck otter board, there is the pipeline of certain distance between double-deck otter board, make it persist the part material, the inside residual material can supply the machine to move to follow-up material supply when auxiliary engine clearance net piece is taken the otter board out like this, makes the continuous silk of discharge opening.
As a preferred technical scheme, the meshes of the first filter screen plate are the same as the apertures of the second filter screen plate.
As an optimized technical scheme, the edge thickness of the second filter screen plate is 0.5-1 cm, the edge thickness of the first filter screen plate is 1.5-2 cm, and the screen plate thicknesses of the first filter screen plate and the second filter screen plate are 6 mm.
As preferred technical scheme, the feed end that leads to the groove is equipped with detachable locating part. When the locating part prevents to clear up the second and filters the otter board, the second filters the otter board and leads to the groove separation, and when the clearance second filtered the otter board, the otter board was located logical inslot portion, is convenient for clear up accurate location installation after finishing.
As a preferable technical scheme, the end of the traction rod, which is positioned at the feeding end, is provided with a heat insulation handle. When clearing up the second and filtering the otter board, heat the otter board edge earlier for the material that solidifies at otter board and inner wall melts, the clearance of being convenient for prevents the traction lever overheated, consequently sets up the handle at the traction lever tip.
The utility model has the advantages and the beneficial effects that: the utility model discloses improve the back with the die head extension, imbed double-deck otter board, have certain distance's pipeline between double-deck otter board, make it persist the part material, the inside residual material can supply the machine to move to follow-up material supply when auxiliary engine clearance net piece is taken the otter board out like this, makes the continuous silk of discharge opening. The first filter screen plate and the second filter screen plate are matched for use, so that the wire outlet efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1. a through groove; 2. a first filter screen plate; 3. a second filter screen plate; 4. a material buffer zone; 5. a connecting rod; 6. a connecting member; 7. supporting the gas rod; 8. a draw bar; 9. heating wires; 10. a heating switch; 11. a copper seal ring; 12. a limiting member; 13. a heat-insulated handle.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
A double-layer filter screen plate structure in an extruder head comprises an extruder head main body and a filter screen plate, wherein a through groove 1 is formed in the extruder head main body, and a first filter screen plate 2 and a second filter screen plate 3 are arranged in the through groove; a material buffer zone 4 is arranged between the first filter plate and the second filter plate; the first filter screen plate is provided with at least two connecting rods 5 perpendicular to the plane of the first filter screen plate, one ends of the connecting rods are connected with the first filter screen plate, the other ends of the connecting rods are positioned at the feed ends of the through grooves, the other ends of the connecting rods are provided with connecting pieces 6, the connecting pieces are perpendicular to the connecting rods, and support air rods 7 are arranged between the connecting pieces and the feed ends of the through grooves; the inner wall of the through groove is provided with a groove matched with the connecting rod, the connecting rod reciprocates along the groove, and the connecting rod and the inside of the through groove are positioned on the same curved surface;
a second filter screen plate matched with the first filter screen plate is arranged in the through groove, at least one draw bar 8 perpendicular to the plane of the second filter screen plate is arranged on the second filter screen plate, one end of the draw bar is connected with the second filter screen plate, and the other end of the draw bar is positioned at the feeding end of the through groove; heating wires 9 are arranged on the second filter screen plate along the circumferential edge of the screen plate and the traction rod, and a heating switch 10 of each heating wire is positioned at the end head of the traction rod at the feeding end; the draw bar reciprocates along the groove of the connecting rod, and the draw bar and the connecting rod are positioned on the same curved surface.
The circumferential edge of the second filter screen plate is provided with a groove, the heating wire is positioned in the groove, and a copper sealing ring 11 is arranged outside the groove.
The distance between the first filter screen plate and the second filter screen plate is 1/3-1/2 of the length of the extruder head main body.
The mesh of the first filter screen plate is the same as the aperture of the second filter screen plate.
The edge thickness of the second filter screen plate is 0.5-1 cm, the edge thickness of the first filter screen plate is 1.5-2 cm, and the screen plate thickness of the first filter screen plate and the second filter screen plate is 6 mm.
The feed end of logical groove is equipped with detachable locating part 12.
The end of the traction rod at the feeding end is provided with a heat insulation handle 13.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A double-layer filter screen plate structure in an extruder head is characterized by comprising an extruder head main body and a filter screen plate, wherein a through groove is formed in the extruder head main body, and a first filter screen plate and a second filter screen plate are arranged in the through groove; a material buffer zone is arranged between the first filter plate and the second filter plate; the first filter screen plate is provided with at least two connecting rods perpendicular to the plane of the first filter screen plate, one end of each connecting rod is connected with the first filter screen plate, the other end of each connecting rod is positioned at the feeding end of the through groove, the other end of each connecting rod is provided with a connecting piece, the connecting pieces are perpendicular to the connecting rods, and a supporting air rod is arranged between each connecting piece and the feeding end of the through groove; the inner wall of the through groove is provided with a groove matched with the connecting rod, the connecting rod reciprocates along the groove, and the connecting rod and the inside of the through groove are positioned on the same curved surface;
a second filter screen plate matched with the first filter screen plate is arranged in the through groove, at least one draw bar perpendicular to the plane of the second filter screen plate is arranged on the second filter screen plate, one end of the draw bar is connected with the second filter screen plate, and the other end of the draw bar is positioned at the feeding end of the through groove; heating wires are arranged on the second filter screen plate along the circumferential edge of the screen plate and on the traction rod, and a heating switch of each heating wire is positioned at the end head of the traction rod at the feeding end; the connecting rod is provided with a groove matched with the traction rod, and the traction rod reciprocates along the groove of the connecting rod.
2. The double-layer filter screen plate structure in the extruder head of claim 1, wherein the second filter screen plate is provided with a groove at the circumferential edge, the heating wire is positioned in the groove, and a copper sealing ring is arranged outside the groove.
3. The double-layer filter screen plate structure in the extruder head of claim 2, wherein the distance between the first filter screen plate and the second filter screen plate is 1/3-1/2 of the length of the main body of the extruder head.
4. The double-layer filter screen plate structure in the extruder head of claim 3, wherein the mesh of the first filter screen plate is the same as the pore size of the second filter screen plate.
5. The double-layer filter screen plate structure in the extruder head as claimed in claim 4, wherein the edge thickness of the second filter screen plate is 0.5-1 cm, the edge thickness of the first filter screen plate is 1.5-2 cm, and the screen plate thickness of the first filter screen plate and the second filter screen plate is 6 mm.
6. The double-layer filter screen plate structure in the extruder head of claim 5, wherein the feed end of the through slot is provided with a detachable limiting member.
7. The double-layer filter screen plate structure in the extruder head of claim 6, wherein the end of the draw bar at the feeding end is provided with an insulated handle.
8. The internal double-layer filter screen plate structure of the extruder head as claimed in claim 7, wherein the draw bar and the connecting bar are located on the same curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210739.XU CN210792025U (en) | 2019-07-30 | 2019-07-30 | Double-layer filter screen plate structure inside extruder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210739.XU CN210792025U (en) | 2019-07-30 | 2019-07-30 | Double-layer filter screen plate structure inside extruder head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210792025U true CN210792025U (en) | 2020-06-19 |
Family
ID=71245619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921210739.XU Active CN210792025U (en) | 2019-07-30 | 2019-07-30 | Double-layer filter screen plate structure inside extruder head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210792025U (en) |
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2019
- 2019-07-30 CN CN201921210739.XU patent/CN210792025U/en active Active
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