CN213500728U - Single screw extruder - Google Patents

Abstract

The utility model discloses a single screw extruder, including the crowded feed cylinder of screw rod, the feeding hole has been seted up to the one end position of the crowded feed cylinder of screw rod, and the circumference inner wall of feeding hole has the conveying pipeline that sets up in the slant through the bolt fastening, the top of conveying pipeline is fixed with the feeder hopper that the level set up, and the bottom of feeder hopper is linked together with the top of conveying pipeline, the feeding recess has been seted up at the top of feeder hopper, and the both ends position between the both sides inner wall of feeder hopper all has the vibration flitch through the bolt fastening, cup joint the rotation axis that same level set up through the bearing between the both ends of the crowded feed cylinder of screw rod. The utility model discloses in, the feeding filter plate of one end position can be with defeated material in-process, and the inside impurity of material filters, can stay the impurity of large granule in the inside of conveying pipeline, through opening of the waste material discharge door of bottom position, can discharge the waste material, and the effectual crowded flitch of spiral that prevents inside damages, improves the efficiency of defeated material.

Description

Single screw extruder

Technical Field

The utility model relates to a screw extruder technical field especially relates to a single screw extruder.

Background

The extruder can divide the machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of the screw. The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold. Plastics extruders can be largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.

In present screw extruder's use, directly rotate through inside spiral material extruding plate and extrude the material, the material directly extrudes, does not have filterable mechanism for the inside large granule impurity of material directly exports, makes the spiral plate receive the injury easily, and influences the efficiency of the ejection of compact.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a single-screw extruder.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a single screw extruder comprises a screw extruding cylinder, wherein a feeding hole is formed in one end position of the screw extruding cylinder, a conveying pipe which is obliquely arranged upwards is fixed on the circumferential inner wall of the feeding hole through a bolt, a horizontally arranged feeding hopper is fixed on the top of the conveying pipe, the bottom of the feeding hopper is communicated with the top of the conveying pipe, a feeding groove is formed in the top of the feeding hopper, vibrating plates are fixed on two end positions between two side inner walls of the feeding hopper through bolts, a rotating central shaft which is horizontally arranged is sleeved between two ends of the screw extruding cylinder through a bearing, a spiral extruding plate which is horizontally arranged is fixed on the circumferential outer wall of the rotating central shaft, a vertically arranged feeding filter screen plate is fixed on one end position of the circumferential inner wall of the screw extruding cylinder through a bolt, and the middle position of the feeding filter screen plate is rotatably sleeved with the circumferential outer wall of the rotating central shaft, the bottom of the conveying pipeline is provided with a first hole, and the top of the first hole is connected with an inclined waste discharging door through a hinge.

Preferably, the two ends of the bottom of the circumferential outer wall of the screw extrusion cylinder are fixedly provided with a fixed mainframe platform which is horizontally arranged, and two ends of the bottom of the fixed mainframe platform are fixedly provided with two vertically arranged supporting columns.

Preferably, the vibrating plate and the feed hopper are fixedly arranged at an oblique angle.

Preferably, the other end of the screw rod extruding cylinder is provided with a second hole, and the inner wall of the circumference of the second hole is sleeved with a horizontally arranged circular discharging pipe.

Preferably, a horizontally arranged motor is fixed at one end of the material conveying pipe through a bolt, and an output shaft of the motor is connected with one end of the rotating middle shaft.

Preferably, a horizontally arranged fixing groove is formed in the top of the circumferential inner wall of the screw extrusion cylinder, a horizontally arranged fixing top plate is fixed to the top of the fixing groove, a horizontally arranged liquid spraying top plate is fixed to the bottom of the fixing top plate, and the liquid spraying top plate is located at the circumferential top of the rotating center shaft.

Preferably, a third hole is formed in the top of the outer wall of the circumference of the screw extrusion cylinder, the vertically arranged water inlet pipe is sleeved in the third hole, and the water inlet pipe is communicated with the liquid spraying top plate.

The utility model has the advantages that:

1. the defeated material in-process of screw rod, the feeding filter screen board of one end position can be with defeated material in-process, and the inside impurity of material filters, can stay the inside of conveying pipeline with the impurity of large granule, through opening of the waste material discharge door of bottom position, can discharge the waste material, and the effectual crowded flitch of spiral that prevents inside damages, improves the efficiency of defeated material.

2. The vibration of the vibrating plate at the top of the feeding hopper can enable the material inside the feeding hopper to vibrate for discharging, so that the discharging can be convenient and fast, and the blockage of the material is prevented.

3. The inlet tube has been cup jointed to the top position of the crowded feed cylinder of screw rod, and the inlet tube spouts water through inside hydrojet roof, at the abluent in-process of whole equipment, can directly go out water from inside, improves abluent efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of a single screw extruder according to the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of the extrusion material of the single screw extruder according to the present invention;

fig. 3 is the utility model provides a water spray cleaning mechanism of single screw extruder's structural schematic diagram.

In the figure: the device comprises a feed delivery pipe 1, a feed hopper 2, a vibrating plate 3, a screw rod extrusion cylinder 4, a circular discharge pipe 5, a fixed host platform 6, a support column 7, a motor 8, a waste discharge door 9, a feed filter screen plate 10, a rotating middle shaft 11, a spiral extrusion plate 12, a liquid spray top plate 13, a fixed top plate 14 and a water inlet pipe 15.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a single screw extruder comprises a screw extruding cylinder 4, a feeding hole is provided at one end position of the screw extruding cylinder 4, a feeding pipe 1 obliquely arranged upwards is fixed on the circumferential inner wall of the feeding hole through a bolt, a horizontally arranged feeding hopper 2 is fixed on the top of the feeding pipe 1, the bottom of the feeding hopper 2 is communicated with the top of the feeding pipe 1, a feeding groove is provided at the top of the feeding hopper 2, vibrating plates 3 are fixed on both ends between the inner walls of both sides of the feeding hopper 2 through bolts, a rotating central shaft 11 horizontally arranged is sleeved between both ends of the screw extruding cylinder 4 through a bearing, a horizontally arranged spiral extruding plate 12 is fixed on the circumferential outer wall of the rotating central shaft 11, a vertically arranged feeding filter screen plate 10 is fixed on one end position of the circumferential inner wall of the screw extruding cylinder 4 through a bolt, and the middle position of the feeding filter plate 10 is rotatably sleeved with the circumferential outer wall of the rotating central shaft 11, the bottom of the material conveying pipe 1 is provided with a first hole, and the top of the first hole is connected with a waste material discharging door 9 which is obliquely arranged through a hinge.

The utility model discloses in, the fixed host computer platform 6 that the level set up is fixed to the circumference outer wall bottom both ends position of screw rod extruding cylinder 4, and the bottom both ends of fixed host computer platform 6 all are fixed with the support column 7 of two vertical settings, vibrating plate 3 becomes the fixed setting in oblique angle with feeder hopper 2, the second hole has been seted up to the other end of screw rod extruding cylinder 4, and the circumference inner wall of second hole cup joints the ejection of compact pipe 5 that the level set up, the one end position of conveying pipeline 1 is through the motor 8 that the bolt fastening has the level to set up, and motor 8's output shaft is connected with the one end position of rotating axis 11.

Example 2

Referring to fig. 1-3, a single screw extruder, a fixed groove is horizontally arranged at the top of the inner wall of the circumference of a screw extrusion cylinder 4, a fixed top plate 14 is horizontally arranged at the top of the fixed groove, a liquid spray top plate 13 is horizontally arranged at the bottom of the fixed top plate 14, the liquid spray top plate 13 is located at the top of the circumference of a rotating center shaft 11, a third hole is arranged at the top of the outer wall of the circumference of the screw extrusion cylinder 4, a vertically arranged water inlet pipe 15 is sleeved in the third hole, and the water inlet pipe 15 is communicated with the liquid spray top plate 13.

The working principle is as follows: when the single screw extruder is used, an operator firstly moves the screw extruder to a proper working position, the screw extruder is fixed and stable through the supporting column 7 at the bottom position and is connected to a power supply, in the using process, materials to be extruded are added through the feeding hopper 2 at the top position and directly fall into the feeding pipe 1 at the bottom, in the feeding process, the vibration of the vibrating plate 3 at the top position can enable the materials inside the feeding hopper 2 to vibrate and discharge, the convenient discharging can be realized, the blockage of the materials can be prevented, the rotating operation of the motor 8 can drive the rotating process of the rotating middle shaft 11, the materials can be spirally extruded through the spiral extruding plate 12, the discharging is realized through the discharging circular pipe 5 at one end, in the feeding process of the screw, the feeding filter screen plate 10 at one end position can filter the impurities inside the materials, large-particle impurities can be left in the conveying pipe 1, waste can be discharged through opening of the waste discharging door 9 at the bottom, the internal spiral material extruding plate 12 is effectively prevented from being damaged, and the conveying efficiency is improved; in the second embodiment, on the basis of the first embodiment, the water inlet pipe 15 is sleeved at the top position of the screw extrusion cylinder 4, the water is sprayed out through the inner liquid spraying top plate 13 by the water inlet pipe 15, and water can be directly discharged from the inner part in the whole device cleaning process, so that the cleaning efficiency is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a single screw extruder, includes screw rod extrusion cylinder (4), its characterized in that, the feeding hole has been seted up to the one end position of screw rod extrusion cylinder (4), and the circumference inner wall of feeding hole has conveying pipeline (1) that set up in the slant through the bolt fastening, the top of conveying pipeline (1) is fixed with feeder hopper (2) that the level set up, and the bottom of feeder hopper (2) is linked together with the top of conveying pipeline (1), the feeding recess has been seted up at the top of feeder hopper (2), and both ends position between the both sides inner wall of feeder hopper (2) all have vibrating plate (3) through the bolt fastening, cup joint rotation axis (11) that same level set up through the bearing between the both ends of screw rod extrusion cylinder (4), and rotate the spiral extrusion plate (12) that the circumference outer wall of axis (11) is fixed with the level and set up, the circumference inner wall one end position of screw rod extrusion cylinder (4) has the feeding filter plate board of vertical setting through (10) And the middle position of the feeding filter screen plate (10) is rotatably sleeved with the circumferential outer wall of the rotating center shaft (11), the bottom position of the conveying pipe (1) is provided with a first hole, and the top of the first hole is connected with a waste material discharging door (9) which is obliquely arranged through a hinge.

2. The single screw extruder of claim 1, wherein the screw barrel (4) is fixed with a horizontally arranged fixed main machine table (6) at two ends of the bottom of the outer wall of the circumference, and two vertically arranged supporting columns (7) are fixed at two ends of the bottom of the fixed main machine table (6).

3. A single screw extruder according to claim 2, wherein the vibrating plate (3) is arranged in an oblique angle fixed to the feed hopper (2).

4. The single screw extruder according to claim 1, wherein the other end of the screw barrel (4) is provided with a second hole, and a horizontal discharge circular tube (5) is sleeved on the inner circumferential wall of the second hole.

5. A single screw extruder according to claim 4, characterised in that a horizontally arranged motor (8) is bolted to one end of the feed conveyor pipe (1), and the output shaft of the motor (8) is connected to one end of the central axis of rotation (11).

6. The single-screw extruder according to claim 1, wherein the top of the circumferential inner wall of the screw barrel (4) is provided with a horizontally arranged fixing groove, the top of the fixing groove is fixed with a horizontally arranged fixing top plate (14), the bottom of the fixing top plate (14) is fixed with a horizontally arranged liquid spraying top plate (13), and the liquid spraying top plate (13) is located at the circumferential top of the rotating central shaft (11).

7. The single-screw extruder according to claim 6, wherein a third hole is formed in the top of the outer circumferential wall of the screw barrel (4), a vertically arranged water inlet pipe (15) is sleeved in the third hole, and the water inlet pipe (15) is communicated with the liquid spraying top plate (13).

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