阅读说明：本技术 一种聚丙烯生产用共混挤出设备 (Blending extrusion equipment for polypropylene production ) 是由 黄艺伟 于 2020-05-29 设计创作，主要内容包括：本发明公开了一种聚丙烯生产用共混挤出设备,其结构包括注塑管、安装底座、控制台、储料罐,注塑管的下端镶固在安装底座的正上方,安装底座的右侧方焊接连接着控制台,储料罐垂直安装在注塑管的右侧上端面。本发明在液压杆通过复合推板挤压注塑管内的聚丙烯材料时,为了避免残渣掉落在管内冷却后形成堵塞增加表面摩擦力,通过复合推板与注塑管内壁上的单向阀,在推动的同时增加注塑管内的压力,使注塑管内的单向阀打开使空气流通,在液压杆收回时,将空气通过复合推板内的单向阀流经连通管后,均匀喷出施压空气,吹散掉落在注塑管内的聚丙烯残渣。(The invention discloses blending extrusion equipment for polypropylene production, which structurally comprises an injection molding pipe, an installation base, a console and a storage tank, wherein the lower end of the injection molding pipe is embedded and fixed right above the installation base, the right side of the installation base is connected with the console in a welding mode, and the storage tank is vertically arranged on the upper end face of the right side of the injection molding pipe. When the hydraulic rod extrudes the polypropylene material in the injection pipe through the composite push plate, in order to avoid residues falling in the pipe and forming blockage after cooling, and increase surface friction force, the pressure in the injection pipe is increased while pushing through the composite push plate and the one-way valve on the inner wall of the injection pipe, so that the one-way valve in the injection pipe is opened to allow air to circulate, and when the hydraulic rod is retracted, the air flows through the communicating pipe through the one-way valve in the composite push plate, and then the pressurized air is uniformly sprayed out to blow away the polypropylene residues falling in the injection pipe.)

1. The blending extrusion equipment for polypropylene production structurally comprises an injection molding pipe (1), a mounting base (2), a control console (3) and a storage tank (4), wherein the lower end of the injection molding pipe (1) is embedded and fixed right above the mounting base (2), the control console (3) is welded and connected to the right side of the mounting base (2), and the storage tank (4) is vertically mounted on the upper end face of the right side of the injection molding pipe (1); the method is characterized in that:

injection molding pipe (1) includes discharge gate (11), feed inlet (12), compound push pedal (13), hydraulic stem (14), the inboard left end face of pipe (1) is inlayed in discharge gate (11), the block is inlayed in injection molding pipe (1) upper end in feed inlet (12), compound push pedal (13) are inlayed and are installed at the left side terminal surface of hydraulic stem (14) admittedly, and with injection molding pipe (1) inner wall piston connection.

2. The blending extrusion equipment for producing polypropylene according to claim 1, wherein: compound push pedal (13) include venthole (131), check valve (132), fixed block (133), communicating pipe (134), venthole (131) evenly distributed is at the up end of communicating pipe (134), check valve (132) activity block is terminal surface under communicating pipe (134) inboard, fixed block (133) are located communicating pipe (134) under.

3. The blending extrusion equipment for producing polypropylene according to claim 2, wherein: check valve (132) are including clockwork spring gear (2a), inlay solid piece (2b), block piece (2c), frictional layer (2d), inlay solid piece (2b) is being inlayed and is being connected in clockwork spring gear (2a), inlay solid piece (2b) and be located and block under piece (2c), block that the inner surface of piece (2c) is equipped with frictional layer (2 d).

4. The blending extrusion equipment for producing polypropylene according to claim 2, wherein: the air outlet hole (131) comprises a nested ring (1a), a gauze (1b), a spiral mechanism (1c) and a fixing mechanism (1d), the nested ring (1a) is located under the fixing mechanism (1d), the gauze (1b) is movably clamped on the upper end face of the inner side of the air outlet hole (131), the spiral mechanism (1c) is installed right above the fixing mechanism (1d), and the fixing mechanism (1d) is embedded and fixedly installed on the inner wall of the air outlet hole (131).

5. The blending extrusion equipment for producing polypropylene according to claim 4, wherein: fixed establishment (1d) includes connecting rod (d1), connecting block (d2), solid fixed ring (d3), activity post (d4), connecting rod (d1) evenly encircles the outside of parcel at activity post (d4), both ends about solid the installation is fixed at solid fixed ring (d3) are inlayed to connecting block (d2), gu fixed ring (d3) parcel is at the outside terminal surface of connecting rod (d 1).

6. The blending extrusion equipment for producing polypropylene according to claim 5, wherein: the inner end face of the movable column (d4) is provided with a ratchet wheel (c1), and the ratchet wheel (c1) is movably clamped on the inner end connecting face of the movable column (d 4).

7. The blending extrusion equipment for producing polypropylene according to claim 5, wherein: the movable column (d4) comprises a second movable block (d41), a rotating shaft (d42) and a third movable block (d43), the second movable block (d41) is movably clamped on the upper outer end face of the rotating shaft (d42), the third movable block (d43) is fixedly installed on the lower outer end face of the rotating shaft (d42), and the third movable block (d43) is located under the second movable block (d 41).

Technical Field

The invention belongs to the field of polypropylene, and particularly relates to blending extrusion equipment for polypropylene production.

Background

The blending extrusion equipment for polypropylene production is a semi-crystalline thermoplastic plastic formed by stirring and fusing rubber and plastic after being heated at high temperature and a high polymer material, wherein the polypropylene material is extruded out of an injection pipe and cooled and formed after being subjected to force application on the polypropylene material in the injection pipe through a composite extrusion plate after being subjected to hot melting.

Based on the findings of the inventor, the following defects mainly exist in the prior art, such as:

at extrusion in-process composite extrusion board can with the surperficial direct contact of polypropylene material, because the polypropylene material still has certain viscidity before the cooling solidification of not being complete, can partly adhere to the polypropylene material formation wire drawing cooling solidification back of composite extrusion board front end and drop in the tub bottom of moulding plastics when the extrusion action is accomplished to the composite extrusion board and withdraws, along with the composite extrusion board removes the in-process and can be blocked the composite extrusion board and the terminal surface of being connected of the pipe wall of moulding plastics, the increase surface friction who moulds plastics the pipe wall, influence composite extrusion board's promotion effect.

Therefore, it is necessary to provide a blending extrusion device for polypropylene production.

Disclosure of Invention

In order to solve the problem that the composite extrusion plate can be in direct contact with the surface of a polypropylene material in the extrusion process, the polypropylene material has certain viscosity before being cooled and solidified incompletely, and when the composite extrusion plate is withdrawn after the extrusion action is finished, part of the polypropylene material attached to the front end of the composite extrusion plate falls to the bottom of an injection molding pipe after being drawn, cooled and solidified, and can be clamped into the connecting end face of the composite extrusion plate and the injection molding pipe wall in the moving process of the composite extrusion plate, so that the surface friction force of the injection molding pipe wall is increased, and the pushing effect of the composite extrusion plate is influenced.

The invention relates to a blending extrusion device for producing polypropylene, which is realized by the following specific technical means: the structure of the injection molding device comprises an injection molding pipe, an installation base, a control console and a storage tank, wherein the lower end of the injection molding pipe is embedded and fixed right above the installation base, the right side of the installation base is welded with the control console, and the storage tank is vertically installed on the upper end surface of the right side of the injection molding pipe; the pipe of moulding plastics includes discharge gate, feed inlet, compound push pedal, hydraulic stem, the inboard left end face at the pipe of moulding plastics is inlayed to the discharge gate, the block is inlayed in the pipe upper end of moulding plastics to the feed inlet, the left side terminal surface of installation at the hydraulic stem is inlayed to compound push pedal admittedly, and with mould plastics intraductal wall piston connection, also be equipped with a check valve on the intraductal wall of moulding plastics.

Still further, compound push pedal includes venthole, check valve, fixed block, communicating pipe, venthole evenly distributed is at the up end of communicating pipe, the check valve activity block is terminal surface under communicating pipe inboard, the fixed block is located communicating pipe under, communicating pipe and venthole polyphone.

Furthermore, the check valve comprises a spring gear, an embedding block, a blocking block and a friction layer, wherein the spring gear is embedded and connected with the embedding block, the embedding block is located right below the blocking block, the friction layer is arranged on the surface of the inner end of the blocking block, and the two blocking blocks are symmetrically installed.

Further, the venthole includes nested ring, gauze, screw mechanism, fixed establishment, nested ring bit is under fixed establishment, gauze activity block is at the inboard up end of venthole, screw mechanism installs directly over fixed establishment, fixed establishment inlays admittedly and installs on the inner wall of venthole, the gauze is equipped with two and the line is asymmetric.

Still further, fixed establishment includes connecting rod, connecting block, solid fixed ring, activity post, the connecting rod evenly encircles the outside of parcel at the activity post, the connecting block is inlayed and is installed both ends about solid fixed ring, gu fixed ring wraps up at the outside terminal surface of connecting rod, the connecting rod is equipped with four.

Furthermore, a ratchet wheel is arranged on the inner end face of the movable column and movably clamped on the inner end connecting face of the movable column, and the directions of the barbs of the ratchet wheel are opposite.

Furthermore, the movable column comprises a second movable block, a rotating shaft and a third movable block, the second movable block is movably clamped on the upper outer end face of the rotating shaft, the third movable block is fixedly embedded on the lower outer end face of the rotating shaft, and the third movable block is located under the second movable block.

Compared with the prior art, the invention has the following beneficial effects:

1. when the hydraulic rod extrudes the polypropylene material in the injection pipe through the composite push plate, in order to avoid residues falling in the pipe and forming blockage after cooling, and increase surface friction force, the pressure in the injection pipe is increased while pushing through the composite push plate and the one-way valve on the inner wall of the injection pipe, so that the one-way valve in the injection pipe is opened to allow air to circulate, and when the hydraulic rod is retracted, the air flows through the communicating pipe through the one-way valve in the composite push plate, and then the pressurized air is uniformly sprayed out to blow away the polypropylene residues falling in the injection pipe.

2. When air flows from inside to outside, the air outlet of the invention can rotate the screw mechanism anticlockwise to drive the gauze with double layers of opposite textures at the upper end to rotate, thus preventing polypropylene materials in the injection pipe from being extruded into the air outlet, and the ratchet structure in the air outlet can prevent the screw mechanism from rotating forwards when the composite plate is pushed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a blending extrusion device for producing polypropylene according to the present invention.

FIG. 2 is a schematic structural diagram of an injection molding pipe of blending extrusion equipment for producing polypropylene according to the present invention.

FIG. 3 is a schematic structural diagram of a composite push plate of blending extrusion equipment for producing polypropylene according to the present invention.

FIG. 4 is a schematic structural diagram of a check valve of a blending extrusion device for polypropylene production according to the present invention.

FIG. 5 is a schematic structural diagram of a blending extrusion device gauze for producing polypropylene according to the present invention.

FIG. 6 is a schematic structural diagram of a fixing mechanism of a blending extrusion device for polypropylene production according to the present invention.

FIG. 7 is a schematic diagram of the internal structure of a movable column of a blending extrusion device for producing polypropylene according to the present invention.

FIG. 8 is a schematic structural diagram of a movable column of a blending extrusion device for producing polypropylene according to the present invention.

In the figure: the device comprises an injection molding pipe-1, a mounting base-2, a console-3, a material storage tank-4, a material outlet-11, a material inlet-12, a composite push plate-13, a hydraulic rod-14, a gas outlet-131, a one-way valve-132, a fixed block-133, a communicating pipe-134, a spring gear-2 a, an embedded fixed block-2 b, a blocking block-2 c, a friction layer-2 d, a nested ring-1 a, a gauze-1 b, a screw mechanism-1 c, a fixed mechanism-1 d, a connecting rod-d 1, a connecting block-d 2, a fixed ring-d 3, a movable column-d 4, a ratchet-c 1, a second movable block-d 41, a rotating shaft-d 42 and a third movable block-d 43.

Detailed Description

The invention is further described below with reference to the accompanying drawings: