CN113232338A - Production process of novel environment-friendly plastic building template - Google Patents
Production process of novel environment-friendly plastic building template Download PDFInfo
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- CN113232338A CN113232338A CN202110436525.XA CN202110436525A CN113232338A CN 113232338 A CN113232338 A CN 113232338A CN 202110436525 A CN202110436525 A CN 202110436525A CN 113232338 A CN113232338 A CN 113232338A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
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Abstract
The invention discloses a production process of a novel environment-friendly plastic building template, which comprises the steps of preparing a layer A material, preparing a layer B material, preparing a layer C material, pressing a mould, cooling and shaping, cutting the mould and conveying a finished product, wherein the preparing of the layer A material, the preparing of the layer B material and the preparing of the layer C material respectively comprise mixing, feeding and mulling modification; the method comprises the following specific steps: s1. preparation of layer A materials: a. mixing materials: feeding the recovered crushed materials, the PP1, the PP2 and the auxiliary agent mixture into a storage barrel through a vacuum material suction system according to the formula proportion, blanking a weighing mixer into a mixing bin according to the formula proportion, mixing and stirring the mixture in the mixing bin at a high speed to form a layer A mixture, and then blanking the layer A mixture into a main machine storage barrel. The production process of the novel environment-friendly plastic building template provided by the invention has the main beneficial effects of high proportioning accuracy, avoidance of labor waste, cost saving, high working efficiency, capability of achieving wear resistance, temperature resistance, weather resistance and chemical resistance, energy conservation, environmental protection and emission reduction.
Description
Technical Field
The invention relates to the field of environment-friendly plastics, in particular to a production process of a novel environment-friendly plastic building template.
Background
The existing plastic building template is produced by adopting a single-machine or double-machine co-extrusion one-step method in a batch production process, a lot of defects still exist in the production process, modification granulation needs to be carried out firstly, then the plastic is extruded to produce the plate, so that the plastic is melted at high temperature for many times, the physical property is reduced, the energy consumption and the related management cost are increased, the sources of raw materials, reclaimed materials and fillers are single, the batch production formula is easy to make mistakes, the manual batching and metering error value is large, incompatible materials cannot be fully used on the same formula system, the physical property of the extruded plate is unstable, and the durability is poor.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a production process of a novel environment-friendly plastic building template.
In order to achieve the purpose, the invention adopts the following technical scheme:
a production process of a novel environment-friendly plastic building template comprises the steps of preparation of a layer A material, preparation of a layer B material, preparation of a layer C material, compression molding, cooling and shaping, die cutting and finished product conveying, wherein the preparation of the layer A material, the preparation of the layer B material and the preparation of the layer C material respectively comprise material mixing, feeding and mixing modification; the method comprises the following specific steps:
s1, preparation of layer A materials:
a. mixing materials: feeding the recovered crushed materials, PP1, PP2 and the auxiliary agent mixture into a storage barrel through a vacuum material suction system according to the formula proportion, blanking a weighing mixer into a mixing bin according to the formula proportion, mixing and stirring the mixing bin at a high speed to form a layer A mixture, and then blanking the layer A mixture into a main machine storage barrel;
b. feeding: powder is filled, is discharged into a powder storage bin through a sealing device, is fed into a powder storage barrel through a powder feeding device, is conveyed to a second feeding section of the double-screw extruder through a powder feeding screw rod, and is synchronously fed with a host machine through signal transmission;
c. mixing modification: filling the mixture and the powder in the layer A, and physically mixing and modifying the mixture and the powder by using a parallel bolt screw extruder in the same direction;
s2, preparation of layer B materials:
a. mixing materials: feeding butadiene rubber polymer to a storage barrel through a vacuum material sucking system according to the formula proportion, blanking to a material mixing bin by a weighing material mixer according to the formula proportion, mixing and stirring at a high speed by the material mixing bin to form a B-layer mixture, and then blanking to a main machine storage barrel;
b. mixing modification: carrying out physical mixing modification;
s3, preparation of layer C materials:
a. feeding the recovered crushed materials, PP1, PP3 and the auxiliary agent mixture into a storage barrel through a vacuum material suction system according to the formula proportion, blanking a weighing mixer into a mixing bin according to the formula proportion, mixing and stirring the mixing bin at a high speed to form a C-layer mixture, and then blanking the C-layer mixture into a main machine storage barrel;
b. powder is filled, is discharged into a powder storage bin through a sealing device, is fed into a powder storage barrel through a powder feeding device, is conveyed to a second feeding section of the double-screw extruder through a powder feeding screw rod, and is synchronously fed with a host machine through signal transmission;
c. filling the mixture of the layer C and the powder, and carrying out physical mixing modification by using a parallel bolt screw extruder in the same direction;
s4, compression molding: the screw extruder pushes A, B and C layer materials after physical mixing modification to a screen changer, the materials are distributed and connected to a die through a die distributor by a melt pump, and the die pressing is carried out to form a template;
s5, cooling and shaping: carrying out primary cooling and shaping on the template through a vacuum cooling and shaping table, and dragging the template subjected to primary cooling and shaping to a cooling bracket through a first gear type to carry out secondary cooling and shaping;
s6, cutting the die: drawing the cooled and shaped template to a longitudinal saw platform and a transverse saw platform through a second gear, and sawing the template according to the size requirement to form a template finished product;
s7, conveying finished products: and pushing or drawing the finished template product finished by the slitting saw to a conveying platform, and removing the finished template product through a conveying flat belt to finish production.
Preferably, the temperature for physical mixing modification is 40-120 ℃.
Preferably, the stirring speed of the stirring bin is 1200-1600 r/min.
Preferably, the equidirectional parallel bolt screw extruder is divided into five heating sections, and the heating temperatures of the five heating sections are 140-.
Preferably, the rotating speed of the extrusion screw of the equidirectional parallel bolt screw extruder is 250-270 r/min.
Preferably, the first gear type traction is six-group gear type traction, and the second gear type traction is two-group gear type traction.
Compared with the prior art, the invention has the beneficial effects that: the production process of the novel environment-friendly plastic building template provided by the invention can reduce the metering error of a mass production formula, adjust the time consumed by manual measurement, improve the working efficiency, and embody materials with different characteristics on the same plate through three-machine co-extrusion, so that the physical properties of an extruded plate can reach the wear-resistant, temperature-resistant, weather-resistant and chemical-resistant properties through uniform material production.
In conclusion, the invention has the advantages of high proportioning accuracy, no labor waste, cost saving, high working efficiency, energy saving, environmental protection and emission reduction, and achieves the performances of wear resistance, temperature resistance, weather resistance and chemical resistance.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A production process of a novel environment-friendly plastic building template comprises the steps of preparation of a layer A material, preparation of a layer B material, preparation of a layer C material, compression molding, cooling and shaping, die cutting and finished product conveying, wherein the preparation of the layer A material, the preparation of the layer B material and the preparation of the layer C material respectively comprise material mixing, feeding and mixing modification; the method comprises the following specific steps:
s1, preparation of layer A materials:
a. mixing materials: feeding the recovered crushed materials, PP1, PP2 and the auxiliary agent mixture into a storage barrel through a vacuum material suction system according to the formula proportion, blanking a weighing mixer into a mixing bin according to the formula proportion, mixing and stirring the mixing bin at a high speed to form a layer A mixture, and then blanking the layer A mixture into a main machine storage barrel;
b. feeding: powder is filled, is discharged into a powder storage bin through a sealing device, is fed into a powder storage barrel through a powder feeding device, is conveyed to a second feeding section of the double-screw extruder through a powder feeding screw rod, and is synchronously fed with a host machine through signal transmission;
c. mixing modification: filling the mixture and the powder in the layer A, and physically mixing and modifying the mixture and the powder by using a parallel bolt screw extruder in the same direction;
s2, preparation of layer B materials:
a. mixing materials: feeding butadiene rubber polymer to a storage barrel through a vacuum material sucking system according to the formula proportion, blanking to a material mixing bin by a weighing material mixer according to the formula proportion, mixing and stirring at a high speed by the material mixing bin to form a B-layer mixture, and then blanking to a main machine storage barrel;
b. mixing modification: carrying out physical mixing modification;
s3, preparation of layer C materials:
a. feeding the recovered crushed materials, PP1, PP3 and the auxiliary agent mixture into a storage barrel through a vacuum material suction system according to the formula proportion, blanking a weighing mixer into a mixing bin according to the formula proportion, mixing and stirring the mixing bin at a high speed to form a C-layer mixture, and then blanking the C-layer mixture into a main machine storage barrel;
b. powder is filled, is discharged into a powder storage bin through a sealing device, is fed into a powder storage barrel through a powder feeding device, is conveyed to a second feeding section of the double-screw extruder through a powder feeding screw rod, and is synchronously fed with a host machine through signal transmission;
c. filling the mixture of the layer C and the powder, and carrying out physical mixing modification by using a parallel bolt screw extruder in the same direction;
s4, compression molding: the screw extruder pushes A, B and C layer materials after physical mixing modification to a screen changer, the materials are distributed and connected to a die through a die distributor by a melt pump, and the die pressing is carried out to form a template;
s5, cooling and shaping: carrying out primary cooling and shaping on the template through a vacuum cooling and shaping table, and dragging the template subjected to primary cooling and shaping to a cooling bracket through a first gear type to carry out secondary cooling and shaping;
s6, cutting the die: drawing the cooled and shaped template to a longitudinal saw platform and a transverse saw platform through a second gear, and sawing the template according to the size requirement to form a template finished product;
s7, conveying finished products: and pushing or drawing the finished template product finished by the slitting saw to a conveying platform, and removing the finished template product through a conveying flat belt to finish production.
The temperature for physical mixing modification is 40 ℃.
The stirring speed of the stirring bin is 1200 r/min.
The equidirectional parallel bolt screw extruder is divided into five heating sections, and the heating temperatures of the five heating sections are 140 ℃, 180 ℃, 200 ℃, 230 ℃ and 255 ℃.
The rotating speed of the extruding screw of the equidirectional parallel bolt screw extruder is 250 r/min.
The first gear type traction is six groups of gear type traction, and the second gear type traction is two groups of gear type traction.
Example 2
A production process of a novel environment-friendly plastic building template comprises the steps of preparation of a layer A material, preparation of a layer B material, preparation of a layer C material, compression molding, cooling and shaping, die cutting and finished product conveying, wherein the preparation of the layer A material, the preparation of the layer B material and the preparation of the layer C material respectively comprise material mixing, feeding and mixing modification; the method comprises the following specific steps:
s1, preparation of layer A materials:
a. mixing materials: feeding the recovered crushed materials, PP1, PP2 and the auxiliary agent mixture into a storage barrel through a vacuum material suction system according to the formula proportion, blanking a weighing mixer into a mixing bin according to the formula proportion, mixing and stirring the mixing bin at a high speed to form a layer A mixture, and then blanking the layer A mixture into a main machine storage barrel;
b. feeding: powder is filled, is discharged into a powder storage bin through a sealing device, is fed into a powder storage barrel through a powder feeding device, is conveyed to a second feeding section of the double-screw extruder through a powder feeding screw rod, and is synchronously fed with a host machine through signal transmission;
c. mixing modification: filling the mixture and the powder in the layer A, and physically mixing and modifying the mixture and the powder by using a parallel bolt screw extruder in the same direction;
s2, preparation of layer B materials:
a. mixing materials: feeding butadiene rubber polymer to a storage barrel through a vacuum material sucking system according to the formula proportion, blanking to a material mixing bin by a weighing material mixer according to the formula proportion, mixing and stirring at a high speed by the material mixing bin to form a B-layer mixture, and then blanking to a main machine storage barrel;
b. mixing modification: carrying out physical mixing modification;
s3, preparation of layer C materials:
a. feeding the recovered crushed materials, PP1, PP3 and the auxiliary agent mixture into a storage barrel through a vacuum material suction system according to the formula proportion, blanking a weighing mixer into a mixing bin according to the formula proportion, mixing and stirring the mixing bin at a high speed to form a C-layer mixture, and then blanking the C-layer mixture into a main machine storage barrel;
b. powder is filled, is discharged into a powder storage bin through a sealing device, is fed into a powder storage barrel through a powder feeding device, is conveyed to a second feeding section of the double-screw extruder through a powder feeding screw rod, and is synchronously fed with a host machine through signal transmission;
c. filling the mixture of the layer C and the powder, and carrying out physical mixing modification by using a parallel bolt screw extruder in the same direction;
s4, compression molding: the screw extruder pushes A, B and C layer materials after physical mixing modification to a screen changer, the materials are distributed and connected to a die through a die distributor by a melt pump, and the die pressing is carried out to form a template;
s5, cooling and shaping: carrying out primary cooling and shaping on the template through a vacuum cooling and shaping table, and dragging the template subjected to primary cooling and shaping to a cooling bracket through a first gear type to carry out secondary cooling and shaping;
s6, cutting the die: drawing the cooled and shaped template to a longitudinal saw platform and a transverse saw platform through a second gear, and sawing the template according to the size requirement to form a template finished product;
s7, conveying finished products: and pushing or drawing the finished template product finished by the slitting saw to a conveying platform, and removing the finished template product through a conveying flat belt to finish production.
The temperature for physical mixing modification is 120 ℃.
The stirring speed of the stirring bin is 1600 r/min.
The equidirectional parallel bolt screw extruder is divided into five heating sections, and the heating temperatures of the five heating sections are 180 ℃, 200 ℃, 230 ℃, 255 ℃ and 265 ℃.
The rotating speed of the extruding screw of the equidirectional parallel bolt screw extruder is 270 r/min.
The first gear type traction is six groups of gear type traction, and the second gear type traction is two groups of gear type traction.
Example 3
A production process of a novel environment-friendly plastic building template comprises the steps of preparation of a layer A material, preparation of a layer B material, preparation of a layer C material, compression molding, cooling and shaping, die cutting and finished product conveying, wherein the preparation of the layer A material, the preparation of the layer B material and the preparation of the layer C material respectively comprise material mixing, feeding and mixing modification; the method comprises the following specific steps:
s1, preparation of layer A materials:
a. mixing materials: feeding the recovered crushed materials, PP1, PP2 and the auxiliary agent mixture into a storage barrel through a vacuum material suction system according to the formula proportion, blanking a weighing mixer into a mixing bin according to the formula proportion, mixing and stirring the mixing bin at a high speed to form a layer A mixture, and then blanking the layer A mixture into a main machine storage barrel;
b. feeding: powder is filled, is discharged into a powder storage bin through a sealing device, is fed into a powder storage barrel through a powder feeding device, is conveyed to a second feeding section of the double-screw extruder through a powder feeding screw rod, and is synchronously fed with a host machine through signal transmission;
c. mixing modification: filling the mixture and the powder in the layer A, and physically mixing and modifying the mixture and the powder by using a parallel bolt screw extruder in the same direction;
s2, preparation of layer B materials:
a. mixing materials: feeding butadiene rubber polymer to a storage barrel through a vacuum material sucking system according to the formula proportion, blanking to a material mixing bin by a weighing material mixer according to the formula proportion, mixing and stirring at a high speed by the material mixing bin to form a B-layer mixture, and then blanking to a main machine storage barrel;
b. mixing modification: carrying out physical mixing modification;
s3, preparation of layer C materials:
a. feeding the recovered crushed materials, PP1, PP3 and the auxiliary agent mixture into a storage barrel through a vacuum material suction system according to the formula proportion, blanking a weighing mixer into a mixing bin according to the formula proportion, mixing and stirring the mixing bin at a high speed to form a C-layer mixture, and then blanking the C-layer mixture into a main machine storage barrel;
b. powder is filled, is discharged into a powder storage bin through a sealing device, is fed into a powder storage barrel through a powder feeding device, is conveyed to a second feeding section of the double-screw extruder through a powder feeding screw rod, and is synchronously fed with a host machine through signal transmission;
c. filling the mixture of the layer C and the powder, and carrying out physical mixing modification by using a parallel bolt screw extruder in the same direction;
s4, compression molding: the screw extruder pushes A, B and C layer materials after physical mixing modification to a screen changer, the materials are distributed and connected to a die through a die distributor by a melt pump, and the die pressing is carried out to form a template;
s5, cooling and shaping: carrying out primary cooling and shaping on the template through a vacuum cooling and shaping table, and dragging the template subjected to primary cooling and shaping to a cooling bracket through a first gear type to carry out secondary cooling and shaping;
s6, cutting the die: drawing the cooled and shaped template to a longitudinal saw platform and a transverse saw platform through a second gear, and sawing the template according to the size requirement to form a template finished product;
s7, conveying finished products: and pushing or drawing the finished template product finished by the slitting saw to a conveying platform, and removing the finished template product through a conveying flat belt to finish production.
The temperature for physical mixing modification is 80 ℃.
The stirring speed of the stirring bin is 1400 r/min.
The equidirectional parallel bolt screw extruder is divided into five heating sections, and the heating temperatures of the five heating sections are 165 ℃, 180 ℃, 215 ℃, 240 ℃ and 255 ℃.
The rotating speed of the extruding screw of the equidirectional parallel bolt screw extruder is 260 r/min.
The first gear type traction is six groups of gear type traction, and the second gear type traction is two groups of gear type traction.
Compared with the prior art, the invention has the beneficial effects that: the production process of the novel environment-friendly plastic building template provided by the invention can reduce the metering error of a mass production formula, adjust the time consumed by manual measurement, improve the working efficiency, and embody materials with different characteristics on the same plate through three-machine co-extrusion, so that the physical properties of an extruded plate can reach the wear-resistant, temperature-resistant, weather-resistant and chemical-resistant properties through uniform material production.
In conclusion, the invention has the advantages of high proportioning accuracy, no labor waste, cost saving, high working efficiency, energy saving, environmental protection and emission reduction, and achieves the performances of wear resistance, temperature resistance, weather resistance and chemical resistance.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The production process of the novel environment-friendly plastic building template is characterized by comprising the steps of preparing a layer A material, preparing a layer B material, preparing a layer C material, pressing the layer A material, cooling and shaping the layer B material, cutting the layer C material into a mold and conveying a finished product, wherein the steps of preparing the layer A material, preparing the layer B material and preparing the layer C material respectively comprise mixing, feeding and mulling modification; the method comprises the following specific steps:
s1, preparation of layer A materials:
a. mixing materials: feeding the recovered crushed materials, PP1, PP2 and the auxiliary agent mixture into a storage barrel through a vacuum material suction system according to the formula proportion, blanking a weighing mixer into a mixing bin according to the formula proportion, mixing and stirring the mixing bin at a high speed to form a layer A mixture, and then blanking the layer A mixture into a main machine storage barrel;
b. feeding: powder is filled, is discharged into a powder storage bin through a sealing device, is fed into a powder storage barrel through a powder feeding device, is conveyed to a second feeding section of the double-screw extruder through a powder feeding screw rod, and is synchronously fed with a host machine through signal transmission;
c. mixing modification: filling the mixture and the powder in the layer A, and physically mixing and modifying the mixture and the powder by using a parallel bolt screw extruder in the same direction;
s2, preparation of layer B materials:
a. mixing materials: feeding butadiene rubber polymer to a storage barrel through a vacuum material sucking system according to the formula proportion, blanking to a material mixing bin by a weighing material mixer according to the formula proportion, mixing and stirring at a high speed by the material mixing bin to form a B-layer mixture, and then blanking to a main machine storage barrel;
b. mixing modification: carrying out physical mixing modification;
s3, preparation of layer C materials:
a. feeding the recovered crushed materials, PP1, PP3 and the auxiliary agent mixture into a storage barrel through a vacuum material suction system according to the formula proportion, blanking a weighing mixer into a mixing bin according to the formula proportion, mixing and stirring the mixing bin at a high speed to form a C-layer mixture, and then blanking the C-layer mixture into a main machine storage barrel;
b. powder is filled, is discharged into a powder storage bin through a sealing device, is fed into a powder storage barrel through a powder feeding device, is conveyed to a second feeding section of the double-screw extruder through a powder feeding screw rod, and is synchronously fed with a host machine through signal transmission;
c. filling the mixture of the layer C and the powder, and carrying out physical mixing modification by using a parallel bolt screw extruder in the same direction;
s4, compression molding: the screw extruder pushes A, B and C layer materials after physical mixing modification to a screen changer, the materials are distributed and connected to a die through a die distributor by a melt pump, and the die pressing is carried out to form a template;
s5, cooling and shaping: carrying out primary cooling and shaping on the template through a vacuum cooling and shaping table, and dragging the template subjected to primary cooling and shaping to a cooling bracket through a first gear type to carry out secondary cooling and shaping;
s6, cutting the die: drawing the cooled and shaped template to a longitudinal saw platform and a transverse saw platform through a second gear, and sawing the template according to the size requirement to form a template finished product;
s7, conveying finished products: and pushing or drawing the finished template product finished by the slitting saw to a conveying platform, and removing the finished template product through a conveying flat belt to finish production.
2. The production process of the novel environment-friendly plastic building template as claimed in claim 1, wherein the production process comprises the following steps: the temperature for physical mixing modification is 40-120 ℃.
3. The production process of the novel environment-friendly plastic building template as claimed in claim 1, wherein the production process comprises the following steps: the stirring speed of the material mixing bin is 1200-1600 r/min.
4. The production process of the novel environment-friendly plastic building template as claimed in claim 1, wherein the production process comprises the following steps: the equidirectional parallel bolt screw extruder is divided into five heating sections, wherein the heating temperatures of the five heating sections are 140-.
5. The production process of the novel environment-friendly plastic building template as claimed in claim 1, wherein the production process comprises the following steps: the rotating speed of the extruding screw of the equidirectional parallel bolt screw extruder is 250-270 r/min.
6. The production process of the novel environment-friendly plastic building template as claimed in claim 1, wherein the production process comprises the following steps: the first gear type traction is six groups of gear type traction, and the second gear type traction is two groups of gear type traction.
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Application publication date: 20210810 |
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