CN111571981A - Blending extrusion equipment for polypropylene production - Google Patents
Blending extrusion equipment for polypropylene production Download PDFInfo
- Publication number
- CN111571981A CN111571981A CN202010473749.3A CN202010473749A CN111571981A CN 111571981 A CN111571981 A CN 111571981A CN 202010473749 A CN202010473749 A CN 202010473749A CN 111571981 A CN111571981 A CN 111571981A
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- China
- Prior art keywords
- pipe
- block
- injection molding
- face
- extrusion equipment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
- B29C48/2715—Cleaning; Purging; Avoiding contamination of plasticising units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/475—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pistons, accumulators or press rams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
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.
Description
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:
example 1:
as shown in figures 1 to 4:
the invention provides blending extrusion equipment for polypropylene production, which structurally comprises an injection molding pipe 1, an installation 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 installation base 2, the control console 3 is welded and connected to the right side of the installation base 2, and the storage tank 4 is vertically installed on the upper end face of the right side of the injection molding pipe 1; injection molding pipe 1 includes discharge gate 11, feed inlet 12, compound push pedal 13, hydraulic stem 14, discharge gate 11 inlays the inboard left end face at injection molding pipe 1, the block is inlayed in injection molding pipe 1 upper end to feed inlet 12, compound push pedal 13 inlays solid the installation at the left side terminal surface of hydraulic stem 14, and with injection molding pipe 1 inner wall piston connection, it can increase the intraductal pressure of moulding plastics also to be equipped with a check valve 132 on the pipe 1 inner wall of moulding plastics when compound push pedal 13 promotes, makes check valve 132 open, lets the circulation of gases.
The composite push plate 13 comprises air outlets 131, one-way valves 132, fixed blocks 133 and a communicating pipe 134, the air outlets 131 are uniformly distributed on the upper end face of the communicating pipe 134, the one-way valves 132 are movably clamped on the lower end face of the inner side of the communicating pipe 134, the fixed blocks 133 are located under the communicating pipe 134, the communicating pipe 134 is connected with the air outlets 131 in series, and gas flows through the communicating pipe 134 and is ejected out through the air outlets 131.
Wherein, check valve 132 includes clockwork spring gear 2a, inlays solid piece 2b, blocks piece 2c, frictional layer 2d, inlay solid piece 2b being connected to clockwork spring gear 2a, it is located and blocks under piece 2c to inlay solid piece 2b, it is equipped with frictional layer 2d to block the inner surface of piece 2c, block that piece 2c is equipped with two and adopt the symmetry installation, can guarantee the atmospheric pressure balance of the left and right sides.
The specific use mode and function of the embodiment are as follows:
in the invention, when the polypropylene material is processed, the polypropylene material flows into the injection molding pipe 1 from the material storage tank 4 through the material inlet 12, then the hydraulic rod 14 is controlled by the console 3 to push the composite push plate 13 to extrude the polypropylene material in the injection molding pipe 1, the polypropylene material is cut through the material outlet 11 and then is cooled and shaped, the right side of the composite push plate is sealed by the piston interference connection with the injection molding pipe 1, the air pressure is changed while the composite push plate 13 is pushed, so that the air flows into the injection molding pipe 1 through the one-way valve 132, the extruded air flows to the communicating pipe 134 through the one-way valve 132 in the composite push plate 13 after the composite push plate 13 is retracted, and finally the air is uniformly ejected through the air outlet 131, and under the condition of not receiving acting force, the blocking block 2c in the one-way valve 132 rebounds to the working origin along with the elasticity of the clo.
Example 2:
as shown in fig. 5 to 8: wherein, venthole 131 includes nested ring 1a, gauze 1b, screw mechanism 1c, fixed establishment 1d, nested ring 1a is located fixed establishment 1d under, gauze 1b activity block is at the inboard up end of venthole 131, screw mechanism 1c installs directly over fixed establishment 1d, fixed establishment 1d is inlayed and is installed on the inner wall of venthole 131, gauze 1b is equipped with two and the line is asymmetric, can avoid the polypropylene material to get into in the venthole 131 through the cross seal nature of line.
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, connecting block d2 inlays fixedly and installs both ends about solid fixed ring d3, gu fixed ring d3 wraps up at the outside terminal surface of connecting rod d1, connecting rod d1 is equipped with four, reduces air resistance when the air flows.
The inner end face of the movable column d4 is provided with a ratchet wheel c1, the ratchet wheel c1 is movably clamped on the inner end connecting face of the movable column d4, and the hooking directions of the ratchet wheel c1 are opposite, so that the ratchet wheel c1 can only rotate anticlockwise, and can be clamped by opposite hooks when rotating clockwise.
The movable column d4 includes a second movable block d41, a rotation shaft d42, and a third movable block d43, the second movable block d41 is movably clamped on the upper outer end face of the rotation shaft d42, the third movable block d43 is fixedly installed on the lower outer end face of the rotation shaft d42, and the third movable block d43 is located right below the second movable block d 41.
The specific use mode and function of the embodiment are as follows:
the invention can be arranged on the inner wall of the communicating pipe 134 by the nested ring 1a when in use, the air can drive the movable column d4 arranged on the inner wall of the air outlet 131 in the fixed mechanism 1d by the connecting block d2 to rotate by the screw mechanism 1c when flowing, the gauze 1b can be driven to rotate by the second movable block d41 embedded on the outer side of the upper end of the rotating shaft d42 when the movable column d4 rotates, the polypropylene material attached to the surface of the gauze is thrown away, and the ratchet wheel c1 arranged on the inner end surface of the movable column d4 can effectively prevent the screw mechanism 1c from positively conveying and bringing the air into the air outlet 131 when the composite push plate 13 is retracted.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (7)
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010473749.3A CN111571981A (en) | 2020-05-29 | 2020-05-29 | Blending extrusion equipment for polypropylene production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010473749.3A CN111571981A (en) | 2020-05-29 | 2020-05-29 | Blending extrusion equipment for polypropylene production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111571981A true CN111571981A (en) | 2020-08-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010473749.3A Withdrawn CN111571981A (en) | 2020-05-29 | 2020-05-29 | Blending extrusion equipment for polypropylene production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111571981A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746020A (en) * | 2008-12-10 | 2010-06-23 | 蔡业 | Injection molding storage device of injection molding machine |
| CN103072251A (en) * | 2013-01-19 | 2013-05-01 | 陈艳 | Extrusion filter |
| CN106738779A (en) * | 2016-12-09 | 2017-05-31 | 安徽优丽普科技股份有限公司 | A kind of PVC board extrusion moulding apparatus |
| CN206426437U (en) * | 2016-11-30 | 2017-08-22 | 天津市佳尼奥科技有限公司 | A kind of plastics-production extruder extrusion structure |
| CN208914359U (en) * | 2018-10-22 | 2019-05-31 | 昌邑市龙马塑业有限公司 | Color masterbatch extruder |
| CN209176152U (en) * | 2018-12-10 | 2019-07-30 | 温州大小包装有限公司 | A kind of Polywoven Bag blank extrusion device |
| CN110406069A (en) * | 2019-07-18 | 2019-11-05 | 宿迁学院 | The stable section bar extruding mould discharging mechanism of tapping flowrate |
| CN210126262U (en) * | 2019-06-06 | 2020-03-06 | 力胜美迪成型技术开发(苏州)有限公司 | Injection molding mold capable of realizing rapid molding |
-
2020
- 2020-05-29 CN CN202010473749.3A patent/CN111571981A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746020A (en) * | 2008-12-10 | 2010-06-23 | 蔡业 | Injection molding storage device of injection molding machine |
| CN103072251A (en) * | 2013-01-19 | 2013-05-01 | 陈艳 | Extrusion filter |
| CN206426437U (en) * | 2016-11-30 | 2017-08-22 | 天津市佳尼奥科技有限公司 | A kind of plastics-production extruder extrusion structure |
| CN106738779A (en) * | 2016-12-09 | 2017-05-31 | 安徽优丽普科技股份有限公司 | A kind of PVC board extrusion moulding apparatus |
| CN208914359U (en) * | 2018-10-22 | 2019-05-31 | 昌邑市龙马塑业有限公司 | Color masterbatch extruder |
| CN209176152U (en) * | 2018-12-10 | 2019-07-30 | 温州大小包装有限公司 | A kind of Polywoven Bag blank extrusion device |
| CN210126262U (en) * | 2019-06-06 | 2020-03-06 | 力胜美迪成型技术开发(苏州)有限公司 | Injection molding mold capable of realizing rapid molding |
| CN110406069A (en) * | 2019-07-18 | 2019-11-05 | 宿迁学院 | The stable section bar extruding mould discharging mechanism of tapping flowrate |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20200825 |