阅读说明：本技术 一种一次成型pc箱的制备工艺 (Preparation process of one-step formed PC box ) 是由 许道溪 于 2021-08-09 设计创作，主要内容包括：本发明公开了一种一次成型PC箱的制备工艺,所述PC箱由以下原料制成：PC颗粒50%-70%、尼龙纤维10%-15%、抗氧化剂3%-8%、增韧剂5%-9%、滑石粉6%-10%和调色剂8%-15%；包括如下步骤：P1、备用；P2、得到混合物料；P3、得到烘干物料；P4、形成调色物料；P5、得到除气物料；P6、形成短纤维；P7、将短纤维投入到除气物料中,均匀搅拌10分钟至15分钟,得到加强物料；P8、将加强物料投入吹塑机种,通过模具进行吹塑成型,形成箱包坯料；P9、在箱包坯料放入暗室,自然冷却进行除湿,然后进行表面打磨修正,最后包裹PE覆盖膜进行包装,即可完成PC箱的制备。避免产生气泡空洞,有效提高箱包质量和强度,利于生产制备和使用,方便推广制造。(The invention discloses a preparation process of a one-step formed PC box, wherein the PC box is prepared from the following raw materials: 50-70% of PC particles, 10-15% of nylon fibers, 3-8% of antioxidant, 5-9% of toughening agent, 6-10% of talcum powder and 8-15% of toner; the method comprises the following steps: p1, standby; p2, obtaining a mixed material; p3, obtaining a dried material; p4, forming a toning material; p5, obtaining a degassing material; p6, forming short fibers; p7, putting short fibers into the degassed material, and uniformly stirring for 10 to 15 minutes to obtain a reinforced material; p8, putting the reinforced material into a blowing machine, and carrying out blow molding through a mold to form a luggage blank; and P9, placing the case blank in a dark room, naturally cooling to remove moisture, polishing and correcting the surface, and finally wrapping a PE covering film for packaging to finish the preparation of the PC case. Avoiding generating air bubble cavity, effectively improving the quality and strength of the luggage, being beneficial to production, preparation and use and being convenient for popularization and manufacture.)

1. A preparation process of a one-step formed PC box is characterized by comprising the following steps: the PC box is made of the following raw materials: 50-70% of PC particles, 10-15% of nylon fibers, 3-8% of antioxidant, 5-9% of toughening agent, 6-10% of talcum powder and 8-15% of toner;

the preparation process of the one-step forming PC box comprises the following steps:

p1, weighing the raw materials according to the mass percentage for later use;

p2, putting the PC particles, the antioxidant, the flexibilizer and the talcum powder into a mixer, and uniformly stirring for 8 to 12 minutes at the speed of 30 to 50 revolutions per minute to obtain a mixed material;

p3, putting the mixed material into a drying box, and drying for 5 to 8 minutes at a temperature of between 70 and 90 ℃ to obtain a dried material;

p4, putting the dried material into a melting device, heating to a molten state, putting a toner, and uniformly stirring for 30 to 45 minutes at a speed of 20 revolutions per minute and 30 revolutions per minute to form a color matching material;

p5, putting the color matching material into a vacuum box in a molten state, vacuumizing, preserving heat and degassing for 5 to 10 minutes to obtain a degassing material;

p6, putting the nylon fiber into a crusher to be crushed to form short fibers;

p7, putting short fibers into the degassed material, and uniformly stirring for 10 to 15 minutes to obtain a reinforced material;

p8, putting the reinforced material into a blowing machine, and carrying out blow molding through a mold to form a luggage blank;

and P9, placing the case blank in a dark room, naturally cooling to remove moisture, polishing and correcting the surface, and finally wrapping a PE covering film for packaging to finish the preparation of the PC case.

2. The process for preparing a PC box formed in one piece according to claim 1, wherein: the nylon fiber is prepared by drawing nylon raw materials through a drawing machine, and the diameter of the nylon fiber is 0.1 mm to 0.2 mm.

3. The process for preparing a PC box formed in one piece according to claim 1, wherein: the antioxidant is one or a mixture of aromatic amine and thioester antioxidants.

4. The process for preparing a PC box formed in one piece according to claim 1, wherein: the toughening agent is one of vinyl acrylate and acrylonitrile.

5. The process for preparing a PC box formed in one piece according to claim 1, wherein: and the drying treatment in the step P3 further comprises the steps of carrying out closed heat preservation storage after drying, wherein the heat preservation temperature is 45-60 ℃, and the storage time is 15-30 minutes.

6. The process for preparing a PC box formed in one piece according to claim 1, wherein: the charging of the toner in the P4 step is carried out in three times, the first 50%, the second 30%, and the third 20% with continuous stirring at an interval of 5 to 10 minutes.

7. The process for preparing a PC box formed in one piece according to claim 1, wherein: the vacuum pumping of the P5 step is carried out to-80 KPa to-65 KPa, and the air pumping is continuously carried out in the maintaining process.

8. The process for preparing a PC box formed in one piece according to claim 1, wherein: the short fiber is added in a stirring state in the step P7, and the short fiber is uniformly and continuously added.

9. The process for preparing a PC box formed in one piece according to claim 1, wherein: and the surface polishing correction in the step P9 comprises edge position and surface polishing treatment, and the internal position of the luggage blank is detected.

Technical Field

The invention relates to the technical field of PC boxes, in particular to a preparation process of a one-step formed PC box.

Background

In the daily life now, the use of case and bag is very common, and when the case and bag was prepared, because different demands and outer tube design, the raw materials that adopt also differed, and PC case and bag through PC raw materials preparation is the most common use.

However, in the existing preparation process of the PC box, single PC particles are directly adopted as raw materials, and then the raw materials are directly melted and then blow-molded, so that the box structure is short in service life and easy to crack and damage due to the limitation of material performance, and a bubble cavity is generated in the box due to the limitation of the molding process, so that the strength and quality of a product are seriously reduced, the production and use are not controlled easily, and a new process needs to be provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a preparation process of a one-step forming PC box.

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

a preparation process of a one-step forming PC box is characterized in that the PC box is prepared from the following raw materials: 50-70% of PC particles, 10-15% of nylon fibers, 3-8% of antioxidant, 5-9% of toughening agent, 6-10% of talcum powder and 8-15% of toner;

the preparation process of the one-step forming PC box comprises the following steps:

p1, weighing the raw materials according to the mass percentage for later use;

p2, putting the PC particles, the antioxidant, the flexibilizer and the talcum powder into a mixer, and uniformly stirring for 8 to 12 minutes at the speed of 30 to 50 revolutions per minute to obtain a mixed material;

p3, putting the mixed material into a drying box, and drying for 5 to 8 minutes at a temperature of between 70 and 90 ℃ to obtain a dried material;

p4, putting the dried material into a melting device, heating to a molten state, putting a toner, and uniformly stirring for 30 to 45 minutes at a speed of 20 revolutions per minute and 30 revolutions per minute to form a color matching material;

p5, putting the color matching material into a vacuum box in a molten state, vacuumizing, preserving heat and degassing for 5 to 10 minutes to obtain a degassing material;

p6, putting the nylon fiber into a crusher to be crushed to form short fibers;

p7, putting short fibers into the degassed material, and uniformly stirring for 10 to 15 minutes to obtain a reinforced material;

p8, putting the reinforced material into a blowing machine, and carrying out blow molding through a mold to form a luggage blank;

and P9, placing the case blank in a dark room, naturally cooling to remove moisture, polishing and correcting the surface, and finally wrapping a PE covering film for packaging to finish the preparation of the PC case.

Preferably, the nylon fiber is prepared by drawing a nylon raw material through a drawing machine, and the diameter of the nylon fiber is 0.1 mm to 0.2 mm.

Preferably, the antioxidant is one or two mixtures of aromatic amine antioxidants and thioester antioxidants.

Preferably, the toughening agent is one of vinyl acrylate and acrylonitrile.

Preferably, the drying treatment in the step P3 further includes performing sealed heat preservation storage after drying, wherein the heat preservation temperature is 45 to 60 ℃, and the storage time is 15 to 30 minutes.

Preferably, the charging of the toner in the P4 step is performed in three times, the first charging is performed in 50%, the second charging is performed in 30%, and the third charging is performed in 20%, and the interval is 5 to 10 minutes while the stirring is continued.

Preferably, the step of P5 is performed under vacuum of-80 KPa to-65 KPa, and the evacuation is continued during the maintaining process.

Preferably, the P7 step is performed by feeding the short fibers under stirring and continuously and uniformly feeding the short fibers.

Preferably, the surface polishing correction in the step P9 includes edge position and surface polishing treatment, and the internal position of the luggage blank is detected.

According to the preparation process of the once-formed PC box, provided by the invention, the PC particles are added with multipurpose raw materials for mixing, so that the basic performance of the material can be effectively improved, meanwhile, the nylon fibers are used for enhancing the bonding strength of the raw materials, the impact resistance of the box is further improved, the oxidation resistance quality is ensured, meanwhile, in the production and preparation process, a batch adding and mixing mode is adopted, the uniformity of the raw materials is ensured, the vacuum degassing is combined for blow molding, the generation of bubble cavities is avoided, the quality and the strength of the box are effectively improved, the production, preparation and use are facilitated, and the popularization and the manufacture are convenient.

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.

A preparation process of a one-step forming PC box is characterized in that the PC box is prepared from the following raw materials: 50% of PC particles, 14% of nylon fibers, 6% of antioxidant, 8% of toughening agent, 10% of talcum powder and 12% of toner;

the preparation process of the one-step forming PC box comprises the following steps:

p1, weighing the raw materials according to the mass percentage for later use;

p2, putting the PC particles, the antioxidant, the flexibilizer and the talcum powder into a mixer, and uniformly stirring for 8 to 12 minutes at the speed of 30 to 50 revolutions per minute to obtain a mixed material;

p3, putting the mixed material into a drying box, and drying for 5 to 8 minutes at a temperature of between 70 and 90 ℃ to obtain a dried material;

p4, putting the dried material into a melting device, heating to a molten state, putting a toner, and uniformly stirring for 30 to 45 minutes at a speed of 20 revolutions per minute and 30 revolutions per minute to form a color matching material;

p5, putting the color matching material into a vacuum box in a molten state, vacuumizing, preserving heat and degassing for 5 to 10 minutes to obtain a degassing material;

p6, putting the nylon fiber into a crusher to be crushed to form short fibers;

p7, putting short fibers into the degassed material, and uniformly stirring for 10 to 15 minutes to obtain a reinforced material;

p8, putting the reinforced material into a blowing machine, and carrying out blow molding through a mold to form a luggage blank;

and P9, placing the case blank in a dark room, naturally cooling to remove moisture, polishing and correcting the surface, and finally wrapping a PE covering film for packaging to finish the preparation of the PC case.

Preferably, the nylon fiber is prepared by drawing a nylon raw material through a drawing machine, and the diameter of the nylon fiber is 0.1 mm to 0.2 mm.

Preferably, the antioxidant is one or two mixtures of aromatic amine antioxidants and thioester antioxidants.

Preferably, the toughening agent is one of vinyl acrylate and acrylonitrile.

Preferably, the drying treatment in the step P3 further includes performing sealed heat preservation storage after drying, wherein the heat preservation temperature is 45 to 60 ℃, and the storage time is 15 to 30 minutes.

Preferably, the charging of the toner in the P4 step is performed in three times, the first charging is performed in 50%, the second charging is performed in 30%, and the third charging is performed in 20%, and the interval is 5 to 10 minutes while the stirring is continued.

Preferably, the step of P5 is performed under vacuum of-80 KPa to-65 KPa, and the evacuation is continued during the holding process.

Preferably, the P7 step is performed by feeding the short fibers under stirring and continuously and uniformly feeding the short fibers.

Preferably, the surface polishing correction in the step P9 includes edge position and surface polishing treatment, and the internal position of the luggage blank is detected.

According to the preparation process of the once-formed PC box, provided by the invention, the PC particles are added with multipurpose raw materials for mixing, so that the basic performance of the material can be effectively improved, meanwhile, the nylon fibers are used for enhancing the bonding strength of the raw materials, the impact resistance of the box is further improved, the oxidation resistance quality is ensured, meanwhile, in the production and preparation process, a batch adding and mixing mode is adopted, the uniformity of the raw materials is ensured, the vacuum degassing is combined for blow molding, the generation of bubble cavities is avoided, the quality and the strength of the box are effectively improved, the production, preparation and use are facilitated, and the popularization and the manufacture are convenient.

Example 1

A preparation process of a one-step forming PC box is characterized in that the PC box is prepared from the following raw materials: 66% of PC particles, 10% of nylon fibers, 3% of antioxidant, 5% of toughening agent, 6% of talcum powder and 10% of toner;

the preparation process of the one-step forming PC box comprises the following steps:

p1, weighing the raw materials according to the mass percentage for later use;

p2, putting the PC particles, the antioxidant, the flexibilizer and the talcum powder into a mixer, and uniformly stirring for 8 to 12 minutes at the speed of 30 to 50 revolutions per minute to obtain a mixed material;

p3, putting the mixed material into a drying box, and drying for 5 to 8 minutes at a temperature of between 70 and 90 ℃ to obtain a dried material;

p4, putting the dried material into a melting device, heating to a molten state, putting a toner, and uniformly stirring for 30 to 45 minutes at a speed of 20 revolutions per minute and 30 revolutions per minute to form a color matching material;

p5, putting the color matching material into a vacuum box in a molten state, vacuumizing, preserving heat and degassing for 5 to 10 minutes to obtain a degassing material;

p6, putting the nylon fiber into a crusher to be crushed to form short fibers;

p7, putting short fibers into the degassed material, and uniformly stirring for 10 to 15 minutes to obtain a reinforced material;

p8, putting the reinforced material into a blowing machine, and carrying out blow molding through a mold to form a luggage blank;

and P9, placing the case blank in a dark room, naturally cooling to remove moisture, polishing and correcting the surface, and finally wrapping a PE covering film for packaging to finish the preparation of the PC case.

Preferably, the nylon fiber is prepared by drawing a nylon raw material through a drawing machine, and the diameter of the nylon fiber is 0.1 mm to 0.2 mm.

Preferably, the antioxidant is one or two mixtures of aromatic amine antioxidants and thioester antioxidants.

Preferably, the toughening agent is one of vinyl acrylate and acrylonitrile.

Preferably, the drying treatment in the step P3 further includes performing sealed heat preservation storage after drying, wherein the heat preservation temperature is 45 to 60 ℃, and the storage time is 15 to 30 minutes.

Preferably, the charging of the toner in the P4 step is performed in three times, the first charging is performed in 50%, the second charging is performed in 30%, and the third charging is performed in 20%, and the interval is 5 to 10 minutes while the stirring is continued.

Preferably, the step of P5 is performed under vacuum of-80 KPa to-65 KPa, and the evacuation is continued during the holding process.

Preferably, the P7 step is performed by feeding the short fibers under stirring and continuously and uniformly feeding the short fibers.

Preferably, the surface polishing correction in the step P9 includes edge position and surface polishing treatment, and the internal position of the luggage blank is detected.

Example 2

A preparation process of a one-step forming PC box is characterized in that the PC box is prepared from the following raw materials: 50-70% of PC particles, 10-15% of nylon fibers, 3-8% of antioxidant, 5-9% of toughening agent, 6-10% of talcum powder and 8-15% of toner;

the preparation process of the one-step forming PC box comprises the following steps:

p1, weighing the raw materials according to the mass percentage for later use;

p2, putting the PC particles, the antioxidant, the flexibilizer and the talcum powder into a mixer, and uniformly stirring for 8 to 12 minutes at the speed of 30 to 50 revolutions per minute to obtain a mixed material;

p3, putting the mixed material into a drying box, and drying for 5 to 8 minutes at a temperature of between 70 and 90 ℃ to obtain a dried material;

p4, putting the dried material into a melting device, heating to a molten state, putting a toner, and uniformly stirring for 30 to 45 minutes at a speed of 20 revolutions per minute and 30 revolutions per minute to form a color matching material;

p5, putting the color matching material into a vacuum box in a molten state, vacuumizing, preserving heat and degassing for 5 to 10 minutes to obtain a degassing material;

p6, putting the nylon fiber into a crusher to be crushed to form short fibers;

p7, putting short fibers into the degassed material, and uniformly stirring for 10 to 15 minutes to obtain a reinforced material;

p8, putting the reinforced material into a blowing machine, and carrying out blow molding through a mold to form a luggage blank;

and P9, placing the case blank in a dark room, naturally cooling to remove moisture, polishing and correcting the surface, and finally wrapping a PE covering film for packaging to finish the preparation of the PC case.

Preferably, the nylon fiber is prepared by drawing a nylon raw material through a drawing machine, and the diameter of the nylon fiber is 0.1 mm to 0.2 mm.

Preferably, the antioxidant is one or two mixtures of aromatic amine antioxidants and thioester antioxidants.

Preferably, the toughening agent is one of vinyl acrylate and acrylonitrile.

Preferably, the drying treatment in the step P3 further includes performing sealed heat preservation storage after drying, wherein the heat preservation temperature is 45 to 60 ℃, and the storage time is 15 to 30 minutes.

Preferably, the charging of the toner in the P4 step is performed in three times, the first charging is performed in 50%, the second charging is performed in 30%, and the third charging is performed in 20%, and the interval is 5 to 10 minutes while the stirring is continued.

Preferably, the step of P5 is performed under vacuum of-80 KPa to-65 KPa, and the evacuation is continued during the holding process.

Preferably, the P7 step is performed by feeding the short fibers under stirring and continuously and uniformly feeding the short fibers.

Preferably, the surface polishing correction in the step P9 includes edge position and surface polishing treatment, and the internal position of the luggage blank is detected.