阅读说明：本技术 一种塑胶布生产加工方法 (Production and processing method of plastic cloth ) 是由 谈飞顺 宋奇加 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种塑胶布生产加工方法,包括以下步骤：将基础原料使用粉碎机进行粉碎,粉碎混合后,放入混炼挤出机中进行加热提炼,再送入螺杆挤出机中分段加热制粒,将颗粒放入纺丝机形成塑胶丝,并由纺织机纺织成塑胶基础布,最后将塑胶基础布和玻璃纤维网依次铺设在模具中,送入热压机中热压合,得到塑胶布。本发明所述的一种塑胶布生产加工方法,一是通过在塑胶基础布之间铺设玻璃纤维网,并由热压机进行热压合,不但能够使得塑胶基础布之间紧密贴合,同时还能放置塑胶布表面刮伤,二是通过在分段加热前,先进行高温提炼,能够提高原料的温度,从而减少后续分段加热升温所需的时间与步骤,提高塑胶布制作效率,加快进度。(The invention discloses a production and processing method of plastic cloth, which comprises the following steps: crushing the basic raw materials by using a crusher, crushing and mixing the crushed and mixed basic raw materials, putting the crushed and mixed basic raw materials into a mixing extruder, heating and refining the mixture, then feeding the mixture into a screw extruder for segmented heating and granulation, putting the granules into a spinning machine to form plastic filaments, spinning the plastic filaments into plastic basic cloth by a spinning machine, finally sequentially laying the plastic basic cloth and a glass fiber net in a mold, and feeding the plastic basic cloth and the glass fiber net into a hot press for hot pressing to obtain the plastic cloth. According to the production and processing method of the plastic cloth, firstly, the glass fiber mesh is laid between the plastic base cloth, and the hot pressing is carried out by the hot press, so that the plastic base cloth can be tightly attached, meanwhile, the surface of the plastic cloth can be scratched, and secondly, the temperature of the raw materials can be increased by carrying out high-temperature refining before the sectional heating, so that the time and steps required by subsequent sectional heating and temperature rise are reduced, the manufacturing efficiency of the plastic cloth is improved, and the progress is accelerated.)

1. The production and processing method of the plastic cloth is characterized by comprising the following steps of:

(1) crushing the basic raw materials by using a crusher, and after crushing and mixing, putting the crushed and mixed basic raw materials into a mixing extruder for heating and refining;

(2) after the refining in the step (1), feeding the mixture into a screw extruder for segmented heating to form mixed particles;

(3) putting the mixed particles into a spinning machine to form plastic filaments, and spinning the plastic filaments into plastic base cloth by a spinning machine;

(4) sequentially laying the plastic basic cloth and the glass fiber net obtained in the step (3) in a mould, and feeding the plastic basic cloth and the glass fiber net into a hot press for hot pressing to obtain plastic cloth;

(5) and after hot pressing, rolling and folding the surface of the plastic cloth back and forth by using a roller, rolling, packaging and warehousing.

2. The method for manufacturing and processing plastic cloth according to claim 1, wherein the method comprises the following steps: in the step (1), the basic raw materials consist of the following components in parts by weight: 100-150 parts of PVC particles, 15-20 parts of jute fibers, 60-70 parts of PVB colloidal particles, 12-15 parts of activated calcium carbonate powder, 5-8 parts of vinyl resin and 7-8 parts of lubricant.

3. The method for manufacturing and processing plastic cloth according to claim 1, wherein the method comprises the following steps: in the step (1), during the mixing, a reaction kettle is used for stirring, the stirring time is 50-55min, the stirring temperature is controlled to be 100-.

4. The method for manufacturing and processing plastic cloth according to claim 1, wherein the method comprises the following steps: in the step (2), the sectional heating is divided into six sections which are respectively set to be 110 ℃, 130 ℃, 150 ℃, 168 ℃, 176 ℃ and 184 ℃, and the time of each section is 5-12 min.

5. The method for manufacturing and processing plastic cloth according to claim 1, wherein the method comprises the following steps: in the step (4), the sequentially laying comprises the following steps:

(4.1) firstly, paving the plastic basic cloth on the surface of the mould, and then coating a resin adhesive on the surface of the plastic basic cloth;

(4.2) after the step (4.1) is performed, paving the glass fiber net on the surface of the plastic base cloth, and then coating a resin adhesive on the surface of the glass fiber net;

and (4.3) sequentially repeating the steps (4.1) and (4.2), forming the plastic cloth after multiple laying, and feeding the plastic cloth into a hot press for hot pressing.

6. The method for manufacturing and processing plastic cloth according to claim 5, wherein the method comprises the following steps: the multiple laying is carried out for 3-9 times, before hot pressing, a vacuum bag is covered on the surface of the plastic cloth, air between the vacuum bag and the mold is extracted, and the temperature is kept for 15-25 min.

7. The method for manufacturing and processing plastic cloth according to claim 1, wherein the method comprises the following steps: in the step (4), the thermal pressing temperature is 150-.

8. The method for manufacturing and processing plastic cloth according to claim 1, wherein the method comprises the following steps: and (5) winding the plastic cloth on a winding roller during folding, controlling the winding roller to rotate forward and backward, and bending the plastic cloth forward and backward.

Technical Field

The invention relates to the technical field of plastic cloth production and processing, in particular to a plastic cloth production and processing method.

Background

The traditional plastic cloth is formed by hot pressing of a plastic layer and a net-shaped base layer, but with the continuous development of science and technology, the requirements and the demands of people on the plastic cloth are also continuously improved, so that the traditional plastic cloth cannot meet the requirements of modern people;

at present, when current plastic cloth uses, all form by plastic layer and netted basic unit hot pressing, the raw materials that wherein the plastic layer used are plastic granules, lay through melting plastic granules and obtain, later by the hot press with plastic layer and netted basic unit hot pressing, because plastics can not fuse with netted basic unit, consequently only through the hot pressing, can't make zonulae occludens between netted basic unit and the plastic layer, secondly, when current plastic cloth makes, need carry out nine sections accuse temperature to the raw materials, not only prolong the process, it heats to need the raw materials to carry out high temperature for a long time simultaneously, and the adapted temperature of various raw materials is different, thereby make various raw materials take place to destroy under the high temperature environment, influence the quality that finally generates the plastic cloth, for this reason, we propose a plastic cloth production and processing method.

Disclosure of Invention

The invention mainly aims to provide a plastic cloth production and processing method which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

a production and processing method of plastic cloth comprises the following steps:

(1) crushing the basic raw materials by using a crusher, and after crushing and mixing, putting the crushed and mixed basic raw materials into a mixing extruder for heating and refining;

(2) after the refining in the step (1), feeding the mixture into a screw extruder for segmented heating to form mixed particles;

(3) putting the mixed particles into a spinning machine to form plastic filaments, and spinning the plastic filaments into plastic base cloth by a spinning machine;

(4) sequentially laying the plastic basic cloth and the glass fiber net obtained in the step (3) in a mould, and feeding the plastic basic cloth and the glass fiber net into a hot press for hot pressing to obtain plastic cloth;

(5) and after hot pressing, rolling and folding the surface of the plastic cloth back and forth by using a roller, rolling, packaging and warehousing.

Preferably, in the step (1), the base raw material consists of the following components in parts by weight: 100-150 parts of PVC particles, 15-20 parts of jute fibers, 60-70 parts of PVB colloidal particles, 12-15 parts of activated calcium carbonate powder, 5-8 parts of vinyl resin and 7-8 parts of lubricant.

Preferably, in the step (1), during the mixing, the reaction kettle is used for stirring, the stirring time is 50-55min, the stirring temperature is controlled to be 100-.

Preferably, in the step (2), the heating is divided into six stages, which are respectively set to 110 ℃, 130 ℃, 150 ℃, 168 ℃, 176 ℃ and 184 ℃, and the time of each stage is 5-12 min.

Preferably, in step (4), the sequentially laying comprises the following steps:

(4.1) firstly, paving the plastic basic cloth on the surface of the mould, and then coating a resin adhesive on the surface of the plastic basic cloth;

(4.2) after the step (4.1) is performed, paving the glass fiber net on the surface of the plastic base cloth, and then coating a resin adhesive on the surface of the glass fiber net;

and (4.3) sequentially repeating the steps (4.1) and (4.2), forming the plastic cloth after multiple laying, and feeding the plastic cloth into a hot press for hot pressing.

Preferably, the multiple laying is performed for 3-9 times, before the hot pressing, a vacuum bag is covered on the surface of the plastic cloth, air between the vacuum bag and the mold is extracted, and the vacuum bag and the mold are kept for 15-25 min.

Preferably, in the step (4), the thermal compression temperature is 150-.

Preferably, in the step (5), during the folding, the plastic cloth is wound on the winding roller, the winding roller is controlled to rotate forward and backward, and the plastic cloth is bent forward and backward.

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

firstly, by laying glass fiber meshes between the plastic base cloth and carrying out hot pressing by a hot press, the plastic base cloth can be tightly attached, so that the tensile strength of the plastic cloth is improved, and the surface scratch of the plastic cloth can be prevented, so that the integrity of the plastic cloth in use is improved;

secondly, the raw material temperature can be increased by performing high-temperature refining before the sectional heating, so that the time and steps required by subsequent sectional heating and temperature rise are reduced, the plastic cloth manufacturing efficiency is improved, and the progress is accelerated;

thirdly, through the mutual cooperation of various raw materials, can improve the various performances of plastic cloth greatly, secondly through the ratio and the process of various raw materials of reasonable control, can accelerate production efficiency when improving the plastic cloth quality.

Drawings

Fig. 1 is a block diagram illustrating the overall process of a method for manufacturing and processing a plastic cloth according to the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example 1

As shown in fig. 1, a method for manufacturing and processing plastic cloth includes the following steps:

(1) crushing a basic raw material by using a crusher, wherein the basic raw material comprises the following components in parts by weight: 120 parts of PVC particles, 17 parts of jute fibers, 60 parts of PVB colloidal particles, 13 parts of activated calcium carbonate powder, 7 parts of vinyl resin and 7 parts of lubricant, wherein the PVC particles, the jute fibers, the PVB colloidal particles, the activated calcium carbonate powder, the vinyl resin and the lubricant are crushed, mixed and then placed into a mixing extruder to be heated and refined, a reaction kettle is used for stirring during mixing, the stirring time is 50min, the stirring temperature is controlled to be 100 ℃, the refining time is 5h, and the refining temperature is 230 ℃;

(2) after the refining in the step (1), feeding the mixture into a screw extruder for sectional heating, wherein the sectional heating is divided into six sections which are respectively set to be 110 ℃, 130 ℃, 150 ℃, 168 ℃, 176 ℃ and 184 ℃, and the time of each section is 5-12min, so as to form mixed particles;

(3) putting the mixed particles into a spinning machine to form plastic filaments, and spinning the plastic filaments into plastic base cloth by a spinning machine;

(4) and (3) sequentially paving the plastic basic cloth and the glass fiber net obtained in the step (3) in a mould, sending the plastic basic cloth and the glass fiber net into a hot press for hot pressing, wherein the hot pressing temperature is 150 ℃, the pressing time is 4 hours, and the plastic cloth is obtained, and the sequentially paving comprises the following steps:

(4.1) firstly, paving the plastic basic cloth on the surface of the mould, and then coating a resin adhesive on the surface of the plastic basic cloth;

(4.2) after the step (4.1) is performed, paving the glass fiber net on the surface of the plastic base cloth, and then coating a resin adhesive on the surface of the glass fiber net;

(4.3) sequentially repeating the steps (4.1) and (4.2), forming plastic cloth after multiple laying, feeding the plastic cloth into a hot press for hot pressing, laying for 3 times, covering the surface of the plastic cloth with a vacuum bag before hot pressing, exhausting air between the vacuum bag and the mold, and keeping for 20 min;

(5) and after hot pressing, rolling and folding the surface of the plastic cloth back and forth by using a roller, winding the plastic cloth on a winding roller during folding, controlling the winding roller to rotate in the forward and reverse directions, bending the plastic cloth in the forward and reverse directions, winding, packaging and warehousing.

Example 2

As shown in fig. 1, a method for manufacturing and processing plastic cloth includes the following steps:

(1) crushing a basic raw material by using a crusher, wherein the basic raw material comprises the following components in parts by weight: 120 parts of PVC particles, 17 parts of jute fibers, 60 parts of PVB colloidal particles, 13 parts of activated calcium carbonate powder, 7 parts of vinyl resin and 7 parts of lubricant, wherein the PVC particles, the jute fibers, the PVB colloidal particles, the activated calcium carbonate powder, the vinyl resin and the lubricant are crushed, mixed and then placed into a mixing extruder to be heated and refined, a reaction kettle is used for stirring during mixing, the stirring time is 50min, the stirring temperature is controlled to be 100 ℃, the refining time is 5h, and the refining temperature is 230 ℃;

(2) after the refining in the step (1), feeding the mixture into a screw extruder for sectional heating, wherein the sectional heating is divided into six sections which are respectively set to be 110 ℃, 130 ℃, 150 ℃, 168 ℃, 176 ℃ and 184 ℃, and the time of each section is 5-12min, so as to form mixed particles;

(3) putting the mixed particles into a spinning machine to form plastic filaments, and spinning the plastic filaments into plastic base cloth by a spinning machine;

(4) and (3) sequentially paving the plastic basic cloth and the glass fiber net obtained in the step (3) in a mould, sending the plastic basic cloth and the glass fiber net into a hot press for hot pressing, wherein the hot pressing temperature is 150 ℃, the pressing time is 4 hours, and the plastic cloth is obtained, and the sequentially paving comprises the following steps:

(4.1) firstly, paving the plastic basic cloth on the surface of the mould, and then coating a resin adhesive on the surface of the plastic basic cloth;

(4.2) after the step (4.1) is performed, paving the glass fiber net on the surface of the plastic base cloth, and then coating a resin adhesive on the surface of the glass fiber net;

(4.3) sequentially repeating the steps (4.1) and (4.2), forming plastic cloth after multiple laying, feeding the plastic cloth into a hot press for hot pressing, laying for 5 times, covering the surface of the plastic cloth with a vacuum bag before hot pressing, exhausting air between the vacuum bag and the mold, and keeping for 20 min;

(5) and after hot pressing, rolling and folding the surface of the plastic cloth back and forth by using a roller, winding the plastic cloth on a winding roller during folding, controlling the winding roller to rotate in the forward and reverse directions, bending the plastic cloth in the forward and reverse directions, winding, packaging and warehousing.

Example 3

As shown in fig. 1, a method for manufacturing and processing plastic cloth includes the following steps:

(1) crushing a basic raw material by using a crusher, wherein the basic raw material comprises the following components in parts by weight: 120 parts of PVC particles, 17 parts of jute fibers, 60 parts of PVB colloidal particles, 13 parts of activated calcium carbonate powder, 7 parts of vinyl resin and 7 parts of lubricant, wherein the PVC particles, the jute fibers, the PVB colloidal particles, the activated calcium carbonate powder, the vinyl resin and the lubricant are crushed, mixed and then placed into a mixing extruder to be heated and refined, a reaction kettle is used for stirring during mixing, the stirring time is 50min, the stirring temperature is controlled to be 100 ℃, the refining time is 5h, and the refining temperature is 230 ℃;

(2) after the refining in the step (1), feeding the mixture into a screw extruder for sectional heating, wherein the sectional heating is divided into six sections which are respectively set to be 110 ℃, 130 ℃, 150 ℃, 168 ℃, 176 ℃ and 184 ℃, and the time of each section is 5-12min, so as to form mixed particles;

(3) putting the mixed particles into a spinning machine to form plastic filaments, and spinning the plastic filaments into plastic base cloth by a spinning machine;

(4) and (3) sequentially paving the plastic basic cloth and the glass fiber net obtained in the step (3) in a mould, sending the plastic basic cloth and the glass fiber net into a hot press for hot pressing, wherein the hot pressing temperature is 150 ℃, the pressing time is 4 hours, and the plastic cloth is obtained, and the sequentially paving comprises the following steps:

(4.1) firstly, paving the plastic basic cloth on the surface of the mould, and then coating a resin adhesive on the surface of the plastic basic cloth;

(4.2) after the step (4.1) is performed, paving the glass fiber net on the surface of the plastic base cloth, and then coating a resin adhesive on the surface of the glass fiber net;

(4.3) sequentially repeating the steps (4.1) and (4.2), forming plastic cloth after multiple laying, feeding the plastic cloth into a hot press for hot pressing for 7 times, covering the surface of the plastic cloth with a vacuum bag before the hot pressing, exhausting air between the vacuum bag and the mold, and keeping for 20 min;

(5) and after hot pressing, rolling and folding the surface of the plastic cloth back and forth by using a roller, winding the plastic cloth on a winding roller during folding, controlling the winding roller to rotate in the forward and reverse directions, bending the plastic cloth in the forward and reverse directions, winding, packaging and warehousing.

Example 4

As shown in fig. 1, a method for manufacturing and processing plastic cloth includes the following steps:

(1) crushing a basic raw material by using a crusher, wherein the basic raw material comprises the following components in parts by weight: 120 parts of PVC particles, 17 parts of jute fibers, 60 parts of PVB colloidal particles, 13 parts of activated calcium carbonate powder, 7 parts of vinyl resin and 7 parts of lubricant, wherein the PVC particles, the jute fibers, the PVB colloidal particles, the activated calcium carbonate powder, the vinyl resin and the lubricant are crushed, mixed and then placed into a mixing extruder to be heated and refined, a reaction kettle is used for stirring during mixing, the stirring time is 50min, the stirring temperature is controlled to be 100 ℃, the refining time is 5h, and the refining temperature is 230 ℃;

(2) after the refining in the step (1), feeding the mixture into a screw extruder for sectional heating, wherein the sectional heating is divided into six sections which are respectively set to be 110 ℃, 130 ℃, 150 ℃, 168 ℃, 176 ℃ and 184 ℃, and the time of each section is 5-12min, so as to form mixed particles;

(3) putting the mixed particles into a spinning machine to form plastic filaments, and spinning the plastic filaments into plastic base cloth by a spinning machine;

(4) and (3) sequentially paving the plastic basic cloth and the glass fiber net obtained in the step (3) in a mould, sending the plastic basic cloth and the glass fiber net into a hot press for hot pressing, wherein the hot pressing temperature is 150 ℃, the pressing time is 4 hours, and the plastic cloth is obtained, and the sequentially paving comprises the following steps:

(4.1) firstly, paving the plastic basic cloth on the surface of the mould, and then coating a resin adhesive on the surface of the plastic basic cloth;

(4.2) after the step (4.1) is performed, paving the glass fiber net on the surface of the plastic base cloth, and then coating a resin adhesive on the surface of the glass fiber net;

(4.3) sequentially repeating the steps (4.1) and (4.2), forming plastic cloth after multiple laying, feeding the plastic cloth into a hot press for hot pressing for 9 times, covering the surface of the plastic cloth with a vacuum bag before the hot pressing, exhausting air between the vacuum bag and the mold, and keeping for 20 min;

(5) and after hot pressing, rolling and folding the surface of the plastic cloth back and forth by using a roller, winding the plastic cloth on a winding roller during folding, controlling the winding roller to rotate in the forward and reverse directions, bending the plastic cloth in the forward and reverse directions, winding, packaging and warehousing.

Examples 1 to 4 are all single variables, and the hardness and tensile strength of the produced plastic cloth were measured by changing the number of times of laying, and the measurement results are as follows:

	number of laying times	Tensile Strength (MPa)	Hardness (HR)
				Example 1	3	850	16
Example 2	5	923	19
				Example 3	7	1008	23
Example 4	9	1095	25

It can be seen from the table that the tensile strength and hardness are continuously increased along with the continuous increase of the laying frequency, because the multiple layers of glass fiber nets are laid in the plastic cloth, and the glass fiber nets are tightly fused with the plastic base cloth and the glass fiber cloth through hot pressing, when the plastic base cloth is subjected to tension or pressure, the glass fiber nets in the plastic cloth can tighten the plastic base cloth, so that the situation that the plastic base cloth is subjected to tension again, the plastic base cloth can only be subjected to tension through the stress in the plastic base cloth, the tensile strength and hardness are greatly improved, but because the laying frequency of the glass fiber nets and the plastic base cloth is continuously increased, the thickness of the plastic cloth is continuously increased, the flexibility of the plastic cloth is reduced, the plastic cloth can be freely adjusted as required, and the table can be seen that the embodiment 2 is the most preferable.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.