阅读说明：本技术 一体免喷涂型材、制造方法及其制造系统和应用 (Integrated spraying-free section bar, manufacturing method, manufacturing system and application thereof ) 是由 钟明 向继遵 谭爱明 于 2020-06-09 设计创作，主要内容包括：本发明公开了一种一体免喷涂型材、制造方法及其制造系统和应用,一体免喷涂型材采用主体塑料粒料和表层塑料粒料挤塑成一体型材,一体型材包括主体型材和表层材料层,一体型材挤出后在型材的表层材料层表面覆保护膜得到一体免喷涂型材。该一体免喷涂型材可以控制产品的最终外观,满足塑料型材的产品多样性需求。(The invention discloses an integrated spraying-free section, a manufacturing method, a manufacturing system and application thereof. This integrative spraying section bar of exempting from can control the final outward appearance of product, satisfies the product diversity demand of plastic material section bar.)

1. An integrative spraying section bar of exempting from which characterized in that: the main body plastic granules and the surface layer plastic granules are extruded to form an integrated section, the integrated section comprises a main body section and a surface layer material layer, and a protective film is coated on the surface of the surface layer material layer of the integrated section after the integrated section is extruded to obtain the integrated spraying-free section.

2. The integrated spraying-free profile according to claim 1, wherein: the main body plastic granules are modified ABS granules, and the surface layer plastic granules are modified PMMA granules.

3. The integrated spraying-free profile according to claim 2, wherein: the modified ABS granules are formed by mixing and granulating 90-95 wt% of ABS, 1-5 wt% of toner and other additives to form main plastic granules, and the modified PMMA granules are formed by mixing and granulating 20-25 wt% of ABS, 60-65 wt% of PMMA, 1-5 wt% of toner and other additives to form surface plastic granules.

4. A process for manufacturing an integral spray-free profile according to claim 1, comprising the steps of:

s1: preparing bulk plastic pellets in a first extruder hopper and surface plastic pellets in a second extruder hopper;

s2: feeding the main plastic granules into a material pipe of a first plastic extruding machine through a hopper of the first plastic extruding machine, and carrying out heating, melting and plasticizing processes to finally make the main plastic granules become fluid in a molten state;

s3: feeding the surface plastic granules into a material pipe of a second extruding machine through a hopper of the second extruding machine, and carrying out heating, melting and plasticizing processes to finally make the surface plastic granules into fluid in a molten state;

s4: sending the main body plastic granule fluid and the surface layer plastic granule fluid into a first extrusion molding die and a second extrusion molding die, and entering a third extrusion molding die through different die runners to perform extrusion molding at a co-extrusion die head to form an integral profile containing a main body profile and a surface layer material layer;

s5: and (3) pressing a protective film on the surface of the surface layer material layer of the profile by using a film laminating device to form an integral spraying-free profile.

5. The manufacturing process of the integral spraying-free section bar as claimed in claim 4, wherein the manufacturing process comprises the following steps: step S1, preparing main plastic granules from a first extruder hopper and surface plastic granules from a second extruder hopper, wherein the main plastic granules are modified ABS granules, the modified ABS granules are prepared by mixing and granulating 90-95 wt% of ABS, 1-5 wt% of toner and other additives to form main plastic granules, and the main plastic granules are dried in the first extruder hopper; the surface plastic granules are modified PMMA granules, the modified PMMA granules are prepared by mixing and granulating 20-25 wt% of ABS, 60-65 wt% of PMMA, 1-5 wt% of toner and other additives, and the surface plastic granules are dried in a hopper of a second extruding machine.

6. A manufacturing system for the integral spray-free profile of claim 1, characterized in that: the plastic particle surface treatment device comprises a first extruder hopper and a first extruder material pipe, and a second extruder hopper and a second extruder material pipe, wherein the first extruder hopper and the first extruder material pipe are used for enabling main plastic particles to be in a molten state, and the second extruder hopper and the second extruder material pipe are used for enabling surface plastic particles to be in a molten state; the first extrusion molding mould that manages the intercommunication with first extruding machine, manage the second extrusion molding mould that manages the intercommunication with the second extruding machine, manage to send into first extrusion molding mould with main plastics aggregate fluid through first extruding machine, manage to send into second extrusion molding mould with top layer plastics aggregate fluid through the second extruding machine, get into third extrusion molding mould through mould passageway main plastics aggregate and top layer plastics aggregate, the extrusion molding of crowded die head department is for containing the integrative section bar of main part section bar and top layer material layer in third extrusion molding mould, the section bar gets into the tectorial membrane device, press the surface course material layer that covers at the integrative section bar through the tectorial membrane device to the protection film, form integrative spraying-free section bar.

7. The manufacturing system of an integrated spray-free profile according to claim 6, wherein: the film laminating device comprises a protective film fixing device and a film laminating roller, wherein the protective film fixing device is used for conveying the protective film in a rotating mode, and the protective film is pressed on the surface of the surface layer material layer of the integrated section bar through the film laminating roller.

8. The manufacturing system of an integrated spray-free profile according to claim 6, wherein: the manufacturing system of an organic whole spraying-free section bar still include the cooling trough, the cooling trough is between third extrusion molding mould and tectorial membrane device, the section bar becomes integrative section bar through third extrusion molding mould extrusion molding, through the cooling trough cooling, reentrant tectorial membrane device.

9. The manufacturing system of an integrated spray-free profile according to claim 6, wherein: a manufacturing system of spraying section bar is exempted from to an organic whole still includes extrusion molding tractor, automatic cutting machine and blowing groove, the section bar gets into the extrusion molding tractor after the tectorial membrane device tectorial membrane, presss from both sides tight school shape through the double gyro wheel of extrusion molding tractor and straightens, through automatic cutting machine, cuts the required length of section bar, through blowing groove, puts and cuts the section bar.

10. The application of the integrated spraying-free section bar in the lower front frame of a television set is characterized in that: and machining the integral spraying-free section bar into an integral section bar by adopting CNC (computerized numerical control) to obtain the lower front frame of the television.

Technical Field

The invention belongs to the technical field of plastic profiles, and particularly relates to an integrated spraying-free profile, a manufacturing method, a manufacturing system and application thereof.

Background

The plastic profile refers to an extruded plastic product with an irregular cross section, which is called a plastic profile, and the plastic profile is widely applied to various industries along with the wide application of the plastic product in the industrial field. Plastic section bar that sells in the existing market, in order to protect the basic unit and increase its surface gloss, it has the coating to spray on plastic section bar surface usually, but this kind of section bar easily causes air pollution in the coating spraying process, constitute harm to operation personnel health, in addition, the coating is scraped the flower easily in the use, thereby lead to the product appearance pleasing to the eye inadequately, plastics feel is stronger, feel not good, the life of product has been shortened simultaneously, and with high costs, the integrative spraying-free section bar that exempts from of urgent need, in order to satisfy plastic section bar's diversified demand.

Disclosure of Invention

Based on the technical scheme, the invention provides an integrated spraying-free section, a manufacturing method, a manufacturing system and application thereof, and aims to control the final appearance and color diversity of a product by a process of extruding different granules into the integrated section and covering a protective film on the extruded integrated section to form the integrated spraying-free section.

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

an integral spraying-free section bar is formed by extruding main plastic granules and surface plastic granules into an integral section bar, wherein the integral section bar comprises a main section bar and a surface material layer, and a protective film is coated on the surface of the surface material layer of the section bar after the integral section bar is extruded to obtain the integral spraying-free section bar.

In a further scheme, the main body plastic granules are modified ABS granules, and the surface layer plastic granules are modified PMMA granules.

In a further scheme, the modified ABS granules are formed by mixing and granulating 90-95 wt% of ABS, 1-5 wt% of toner and other additives, and the modified PMMA granules are formed by mixing and granulating 20-25 wt% of ABS, 60-65 wt% of PMMA, 1-5 wt% of toner and other additives.

In a further scheme, the protective film is PE or PET.

The technical scheme adopted by the invention is as follows: a manufacturing process of an integrated spraying-free section comprises the following steps:

s1: preparing bulk plastic pellets in a first extruder hopper and surface plastic pellets in a second extruder hopper;

s2: feeding the main plastic granules into a material pipe of a first plastic extruding machine through a hopper of the first plastic extruding machine, and carrying out heating, melting and plasticizing processes to finally make the main plastic granules become fluid in a molten state;

s3: feeding the surface plastic granules into a material pipe of a second extruding machine through a hopper of the second extruding machine, and carrying out heating, melting and plasticizing processes to finally make the surface plastic granules into fluid in a molten state;

s4: sending the main body plastic granule fluid and the surface layer plastic granule fluid into a first extrusion molding die and a second extrusion molding die, and entering a third extrusion molding die through different die runners to perform extrusion molding at a co-extrusion die head to form an integral profile containing a main body profile and a surface layer material layer;

s5: and (3) pressing a protective film on the surface of the surface layer material layer of the profile by using a film laminating device to form an integral spraying-free profile.

Further, the step S1 includes preparing a main plastic pellet in a hopper of a first extruder and preparing a surface plastic pellet in a hopper of a second extruder, specifically, the main plastic pellet is a modified ABS pellet, mixing and granulating the modified ABS pellet with 90-95 wt% of ABS, 1-5 wt% of toner and other additives to form a main plastic pellet, and drying the main plastic pellet in the hopper of the first extruder; the surface plastic granules are modified PMMA granules, the modified PMMA granules are prepared by mixing and granulating 20-25 wt% of ABS, 60-65 wt% of PMMA, 1-5 wt% of toner and other additives, and the surface plastic granules are dried in a hopper of a second extruding machine.

In a further scheme, the step S1 includes preparing main plastic granules from a hopper of a first extruding machine and preparing surface plastic granules from a hopper of a second extruding machine, wherein the main plastic granules are mixed main plastic granules formed by granulating 90-95% of ABS, 1.5% of an anti-shrinkage agent, 0.5% of an antioxidant, 2-5% of a compatilizer, 2% of toner and other additives, and drying the mixed main plastic granules in the hopper of the first extruding machine; the surface plastic granules are modified PMMA granules, and the modified PMMA granules are mixed with ABS (20-25%), PMMA (60-65%), lubricant (0.5-1%), metal aluminum powder (0.5%), toner (1%) and other additives in a granulating manner, and are dried in a hopper of a second extruding machine. The surface layer plastic granules comprise aluminum powder and toner, and are extruded into an integrated section by adjusting the proportioning colors of the plastic and the pigment in the granules to form a main section and a surface layer material integrated section, so that the final appearance of the product can be controlled, the color diversity is realized, the color effect is different from different angles, and the product is a movable color.

In a further scheme, the anti-shrinkage agent of the main plastic granules can be selected from an azodicarbonamide foaming agent, the antioxidant can be selected from an antioxidant 1010, the compatilizer can be selected from maleic anhydride grafting, and the toner can be selected from a light-fast matte black toner. Of course, any one of the anti-shrinkage agent, antioxidant and compatibilizer used herein may be selected to be suitable for the anti-shrinkage agent, antioxidant and compatibilizer of the plastic pellet

Further, the lubricant of the main plastic granules of the surface plastic granules can be one or more selected from pentaerythritol stearate and high molecular fatty acid homopolymer, and the toner can be selected from high light intensity adhesive metal toner. The lubricant here is of course selected to be any plastic additive which has a lubricating effect.

Further, in the step S1, the main plastic granules are dried in a hopper of a first extruder, the temperature in the hopper of the first extruder is set to be 80-85 ℃ for 2-3 hours, the surface plastic granules are dried in a hopper of a second extruder, and the temperature in the hopper of the second extruder is set to be 80-85 ℃ for 2-3 hours.

In a further scheme, in the step S2, the main plastic granules are fed into a screw of a material pipe of a first extruder through a hopper of the first extruder by the first extruder, and the heating, melting and plasticizing processes are performed to make the granules finally become a fluid in a molten state, wherein the temperature of the first material pipe ranges from 150 ℃ to 190 ℃.

In a further scheme, in the step S3, the surface layer plastic granules enter a material pipe screw of a second extruder through a hopper of the second extruder, and are heated, melted and plasticized, so that the granules finally become fluid in a molten state; the temperature range of the second material pipe is 200-290 ℃.

Further, the step S4 may be that the main plastic granules and the surface plastic granules are fed into a first extrusion mold and a second extrusion mold, and the main plastic granules and the surface plastic granules are fed into a third extrusion mold through different mold runners to be extruded and molded into a whole at an extrusion die head;

in a further scheme, the step S4 is carried out extrusion molding at a co-extrusion die head of a third extrusion die through different die runners to form a whole, the extrusion is carried out at a speed of 0.4-0.45 m/min, and the temperature of the die head is 175-185 ℃.

Further, the step S4 and the step S5 are carried out by passing the section through a cooling water tank with the temperature of 14-18 ℃ or lower to cool the section to the temperature of 30 ℃ or lower. The step can rapidly cool and shape the section bar to obtain more stable section size and geometric shape.

In a further scheme, in the step S5, the protective film fixing device is driven to rotate by the traction force of the profile, continuously transmits the protective film, and presses the PE protective film on the surface of the profile through the film-coating roller.

Further, the step S5 and the step S6 further include passing the profile through an extrusion drawing machine, the drawing machine drives the profile at a speed of 0.5 m/min, and the profile is clamped, corrected and straightened by double rows of rollers, so that the profile is formed into a structural member with a required shape and size: through automatic guillootine, cut the required length of section bar, through the blowing groove, put and cut the section bar.

The technical scheme of the device adopted by the invention is as follows: a manufacturing system of an integrated spraying-free section comprises a first extruder hopper and a first extruder material pipe, and a second extruder hopper and a second extruder material pipe, wherein main plastic granules are changed into fluid in a molten state through the first extruder hopper and the first extruder material pipe, and surface plastic granules are changed into fluid in a molten state through the second extruder hopper and the second extruder material pipe; the first extrusion molding mould that manages the intercommunication with first extruding machine, manage the second extrusion molding mould that manages the intercommunication with the second extruding machine, manage to send into first extrusion molding mould with main plastics aggregate fluid through first extruding machine, manage to send into second extrusion molding mould with top layer plastics aggregate fluid through the second extruding machine, get into third extrusion molding mould through mould passageway main plastics aggregate and top layer plastics aggregate, the extrusion molding of crowded die head department is for containing the integrative section bar of main part section bar and top layer material layer in third extrusion molding mould, the section bar gets into the tectorial membrane device, press the surface course material layer that covers at the integrative section bar through the tectorial membrane device to the protection film, form integrative spraying-free section bar.

According to the further scheme, the film laminating device comprises a protective film fixing device and a film laminating roller, the protective film fixing device rotates to convey the protective film, and the protective film is pressed on the surface of the surface layer material layer of the integrated section bar through the film laminating roller.

Further scheme, an integrative manufacturing system who exempts from spraying section bar still include the cooling trough, the cooling trough is between third extrusion molding mould and tectorial membrane device, the section bar becomes integrative section bar through third extrusion molding mould extrusion molding, through the cooling trough cooling, reentrant tectorial membrane device.

Further scheme, a manufacturing system of spraying section bar is exempted from to an organic whole still include extrusion molding tractor, automatic cutting machine and blowing groove, the section bar gets into the extrusion molding tractor after the tectorial membrane device tectorial membrane, presss from both sides tight school shape through the double gyro wheel of extrusion molding tractor and straightens, through automatic guillootine, cuts the required length of section bar, through blowing groove, puts and cuts the section bar.

And machining the integral spraying-free section bar into an integral section bar by adopting CNC (computerized numerical control) to obtain the lower front frame of the television.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

1. the integral spraying-free section bar adopts the main plastic granules and the surface plastic granules, and forms the integral section bar of the main section bar and the surface material layer by adjusting the mixture colors of plastics and pigments in the granules and extruding the integral section bar, so that the final appearance and color diversity of the product can be controlled, the effect is different when the colors are seen from different angles, and the integral spraying-free section bar is a movable color.

2. The invention relates to a manufacturing process of an integrated spraying-free section, which is characterized in that a main plastic granule material is changed into fluid in a molten state through a first plastic extruding machine, a surface plastic granule material is changed into fluid in a molten state through a second plastic extruding machine, and then the fluid is extruded into the integrated section through a die, and the appearance of the surface layer is protected by covering a protective film after the integrated section is extruded.

3. According to the manufacturing process of the integrated spraying-free section bar, the protective film is pressed on the surface of the section bar through the film laminating device to form the section bar, and the protective film can achieve the effects of protecting the section bar and beautifying the appearance.

4. According to the manufacturing process of the integrated spraying-free section, the strength and the performance of a traditional product can be met by modifying the formula of the plastic grain-extracting material; meanwhile, the production cost is reduced, and the product can be recycled and is green and environment-friendly.

5. According to the integral spraying-free section bar, the integral section bar is formed by extruding the main plastic granules and the surface plastic granules, the protective film is covered on the extruded integral section bar, and the lower front frame is obtained by CNC (computer numerical control) processing.

Drawings

Fig. 1 is a bottom front frame of a television according to the present invention.

Fig. 2 is a manufacturing system of an integrated spray-free profile according to the present invention.

Wherein the reference numerals are as follows:

101-main body section bar, 102-surface material layer, 103-protective film;

201-first extruder hopper, 202-first extruder pipe, 203-second extruder hopper, 204-second extruder pipe, 205-first extrusion die, 206-second extrusion die, 207-third extrusion die, 208-cooling water tank, 209-laminating device, 210-protective film fixing device, 211-laminating roller, 212-laminated section bar, 213-extrusion traction machine, 214-automatic cutting machine, and 215-discharge tank.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below 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.

Fig. 1 shows a tv bottom front frame, which is specifically configured by a main body profile 101 and a surface layer material layer 102, wherein the surface layer material layer 102 is coated on the surface of the main body profile 101, and is extruded into an integral profile by main body plastic granules and surface layer plastic granules, after the profile is extruded, a protective film 103 is coated on the surface of the surface layer material layer 102 of the profile, and then the bottom front frame is obtained by CNC processing.

The following describes an embodiment of the present invention with reference to fig. 2: