PETG furniture decoration film extrusion production line

Abstract

The utility model relates to a plate production line, in particular to a PETG furniture decorative film extrusion production line which comprises a vacuum conveyor used for conveying raw materials, a screw extrusion device arranged at the outlet end of the vacuum conveyor, a forming die head used for conducting extrusion forming on plasticized raw materials and an output end arranged at the forming die head. The three-roller calender is used for cooling and shaping, the cooling device is arranged at the output end of the three-roller calender and used for cooling a product, the traction machine is arranged at the output end of the cooling device, the cutting device is arranged at the output end of the traction machine, and the two-station overturning winding machine is used for winding a membrane. According to the screw extrusion device, the double-station design is adopted, the parallel double-screw extruder and the single-screw extruder are combined and connected, different raw materials are stirred, fused and plasticized at the same time, and the working efficiency is improved. And meanwhile, the screen exchange filter, the metering pump and the three-roller calender are adopted, so that the product quality is improved, and the surface of the membrane material is smoother and flatter.

Description

Technical Field

[0001] The utility model relates to a plate production line, more specifically, to a PETG furniture decorative film extrusion production line. Background Art

[0002] The existing PETG material processing and molding methods are mostly achieved through vacuum forming production, injection molding production or bottle blowing production. The film produced by the PETG furniture decorative film extrusion production line has uneven heat dissipation on the upper and lower surfaces, poor performance, and an uneven surface of the film. Utility Model Content

[0003] In view of this, the utility model provides a PETG furniture decorative film extrusion production line to solve the problem that the film produced by the PETG furniture decorative film extrusion production line in the prior art has poor performance and an uneven surface.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] PETG furniture decorative film extrusion production line, including:

[0006] A vacuum conveyor for conveying solid raw material A and solid material B;

[0007] A screw extruder, which is arranged at the outlet end of the vacuum conveyor and is used to stir and melt the solid raw material A and the solid material B into colloidal material A and colloidal material B respectively;

[0008] A forming die head, which is arranged at the outlet end of the screw extruder and is used to mix the colloidal material A and the colloidal material B and form a film;

[0009] A three-roll calender, which is arranged at the outlet end of the forming die head and is used to trim and calender the surface roughness of the membrane;

[0010] A cooling device, which is arranged at the outlet end of the three-roll calender and is used to cool the film;

[0011] A traction machine, which is arranged at the outlet end of the cooling device and is used to pull the diaphragm forward;

[0012] A cutting device, which is arranged at the outlet end of the tractor and is used to cut the waste edge of the membrane;

[0013] And a two-station flip winder arranged at the outlet end of the cutting device is used to wind the film.

[0014] Preferably, the screw extruder device includes a mounting frame, a first plasticizing mechanism and a second plasticizing mechanism fixedly connected to the mounting frame, the first plasticizing mechanism includes a first hopper and a parallel twin-screw extruder; the second plasticizing mechanism includes a second hopper and a single screw extruder, the output ends of the parallel twin-screw extruder and the output ends of the single screw extruder are both connected to a metering pump, and the outlet end of the metering pump is connected to the inlet end of the molding die.

[0015] Preferably, a screen-changing filter is provided between the parallel twin-screw extruder and the metering pump to filter the plasticized material formed by the parallel twin-screw extruder.

[0016] Preferably, the cooling device includes a cooling bracket, a cooling pipe installed on the cooling bracket, and an air inlet pipe, wherein the air inlet pipe is connected to the cooling pipe and is used to introduce external low-temperature gas into the cooling pipe to cool the cooling bracket.

[0017] As a preferred option, the production line also includes a coating device, which is arranged between the cutting device and the winding device for coating the film.

[0018] It can be seen from the above technical solution that the beneficial effects of the utility model are:

[0019] 1. The screw extruder of the present application adopts a double-station design, which combines and connects a parallel twin-screw extruder and a single-screw extruder, and simultaneously stirs, melts and plasticizes different raw materials to improve work efficiency.

[0020] 2. A screen-changing filter is connected between the screw extruder and the forming die head. The screen-changing filter filters out impurities in the melt, improves the quality of the product, and is directly reflected in the smoothness of the appearance. When impurities accumulate to a certain extent, the screen-changing filter can directly change the screen without stopping the extruder body or slowing down, so as to achieve the purpose of improving production efficiency and saving energy and reducing consumption.

[0021] 3. A metering pump is also connected between the screw extruder and the forming die head to accurately control the flow rate of the conveying material. Furthermore, a three-roll calender is added to ensure the straightness of the diaphragm by calendering and gradual cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0023] In the attached picture:

[0024] Figure 1The present invention is a schematic diagram of the overall structure of a PETG furniture decorative film extrusion production line provided in an embodiment of the present invention.

[0025] Figure 2 The present invention is a schematic diagram of the overall structure of a screw extruder in a PETG furniture decorative film extrusion production line provided by an embodiment of the present invention.

[0026] Figure 3 This is a schematic diagram of the connection between the cooling pipe and the air inlet pipe in the PETG furniture decorative film extrusion production line provided by the embodiment of the utility model. DETAILED DESCRIPTION

[0027] like Figure 1-3 As shown in, it is an embodiment provided by the present application, and the PETG furniture decorative film extrusion production line in this embodiment is used for the production of PETG film sheets. The PETG furniture decorative film extrusion production line in this embodiment includes:

[0028] A vacuum conveyor for conveying solid raw material A and solid material B;

[0029] A screw extruder 1, which is arranged at the outlet end of the vacuum conveyor and is used to stir and melt the solid raw material A and the solid material B into colloidal material A and colloidal material B respectively;

[0030] A forming die 18, which is disposed at the outlet end of the screw extruder 1, and is used to mix the colloidal material A and the colloidal material B and form a film;

[0031] A three-roll calender 2, which is arranged at the outlet end of the forming die 18 and is used to trim and calender the surface roughness of the membrane;

[0032] A cooling device 3, which is arranged at the outlet end of the three-roll calender 2 and is used to cool the film;

[0033] A traction machine 4, which is arranged at the outlet end of the cooling device 3 and is used to pull the membrane to move forward;

[0034] A cutting device 5, which is arranged at the outlet end of the tractor 4 and is used to cut the waste edge of the membrane;

[0035] A two-station reversing winder 7 is provided at the outlet end of the cutting device for winding the film.

[0036] like Figure 2As shown, as another preferred embodiment of the utility model, in order to improve the working efficiency of the production line, the screw extruder 1 includes a mounting frame 11, a first plasticizing mechanism and a second plasticizing mechanism fixedly connected to the mounting frame 11, the first plasticizing mechanism includes a first hopper 12 and a parallel twin-screw extruder 13, and the first hopper 12 is connected to the feed port of the parallel twin-screw extruder 13; the second plasticizing mechanism includes a second hopper 14 and a single screw extruder 15, and the second hopper 14 is connected to the feed port of the single screw extruder 15; the output end of the parallel twin-screw extruder 13 and the output end of the single screw extruder 15 are both connected to a metering pump 17, and the outlet end of the metering pump 17 is connected to the inlet end of the molding die 18.

[0037] like Figure 2 As shown, as another preferred embodiment of the utility model, in order to improve the quality of the product, a screen filter 16 is further provided between the parallel twin-screw extruder 13 and the metering pump 17 to filter the plasticized material formed by the parallel twin-screw extruder 13 .

[0038] As another preferred embodiment of the utility model, the cooling device 3 includes a cooling bracket, a cooling pipe 32 installed on the cooling bracket, and an air inlet pipe 31. The air inlet pipe 31 is connected to the cooling pipe 32. The air inlet pipe 31 is used to introduce external low-temperature gas into the cooling pipe 32 to cool the cooling bracket. Specifically, the product is placed on the cooling bracket, and the air inlet pipe 31 is used to introduce external low-temperature gas, thereby improving the cooling capacity of the cooling bracket for continuously cooling the product and reducing the possibility of deformation of the cooling bracket caused by the excessive temperature of the product at high temperature.

[0039] As another embodiment of the present invention, it has the contents of the above-mentioned embodiment, which will not be described in detail here. The difference between this embodiment and the above-mentioned embodiment is that the production line also includes a coating device (not shown in the figure), which is arranged between the cutting device and the winding device for coating the film.

[0040] The production line of this application includes the following steps:

[0041] Step 1: The dryer dries raw materials A and B.

[0042] Step 2: Use a vacuum feeder to convey raw materials A and raw materials B into the screw extruder 1;

[0043] Step 3: The screw extruder 1 plasticizes the raw material A and the raw material B respectively to form colloidal raw material A and colloidal raw material B;

[0044] Step 4: After filtering the colloidal raw material A and the colloidal raw material B by the screen changer, the colloidal raw material A and the colloidal raw material B are input into the molding die 18;

[0045] Step 5: The colloidal raw material A and the colloidal raw material B in step 4 enter the molding die 18 under the control of the metering pump 17;

[0046] Step 6: The molding die 18 mixes the colloidal raw material A and the colloidal raw material B in proportion and then extrude the film;

[0047] Step 7: The three-roll calender 2 trims the thickness and surface roughness of the film and calenders and gradually cools it;

[0048] Step 8: The film in step 7 is further cooled and shaped by a cooling bracket, and then transported to the cutting device 5;

[0049] Step 9: The cutter of the cutting device 5 cuts the waste edge of the membrane;

[0050] Step 10: The trimmed film enters the coating device, and the required product is obtained by coating the film with special functional materials according to the requirements;

[0051] Step 11: The film is rolled up according to specifications by a two-station flip winder 7.

[0052] From the above, it can be seen that the PETG furniture decorative film extrusion production line of the present application has high production efficiency, and its PETG film surface is flat and smooth with good quality.

[0053] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features disclosed herein.

Claims

1. PETG furniture decorative film extrusion production line, characterized in that: include: A vacuum conveyor for conveying solid raw material A and solid material B; A screw extruder, which is arranged at the outlet end of the vacuum conveyor and is used to stir and melt the solid raw material A and the solid material B into colloidal material A and colloidal material B respectively; A forming die head, which is arranged at the outlet end of the screw extruder and is used to mix the colloidal material A and the colloidal material B and form a film; A three-roll calender, which is arranged at the outlet end of the forming die head and is used to trim and calender the surface roughness of the membrane; A cooling device, which is arranged at the outlet end of the three-roll calender and is used to cool the film; A traction machine, which is arranged at the outlet end of the cooling device and is used to pull the diaphragm forward; A cutting device, which is arranged at the outlet end of the tractor and is used to cut the waste edge of the membrane; And a two-station flip winder arranged at the outlet end of the cutting device is used to wind the film.

2. According to claim 1, the PETG furniture decorative film extrusion production line is characterized in that: The screw extruder device includes a mounting frame, a first plasticizing mechanism and a second plasticizing mechanism fixedly connected to the mounting frame, wherein the first plasticizing mechanism includes a first hopper and a parallel twin-screw extruder; the second plasticizing mechanism includes a second hopper and a single-screw extruder, and the output ends of the parallel twin-screw extruder and the single-screw extruder are both connected to a metering pump, and the outlet end of the metering pump is connected to the inlet end of the forming die.

3. According to claim 2, the PETG furniture decorative film extrusion production line is characterized in that: A screen changing filter is also provided between the parallel twin-screw extruder and the metering pump for filtering the plasticized material formed by the parallel twin-screw extruder.

4. The PETG furniture decorative film extrusion production line according to claim 1, characterized in that: The cooling device comprises a cooling bracket, a cooling pipe installed on the cooling bracket, and an air inlet pipe, wherein the air inlet pipe is connected to the cooling pipe and is used to introduce external low-temperature gas into the cooling pipe to cool the cooling bracket.

5. The PETG furniture decorative film extrusion production line according to claim 1, characterized in that: The production line also includes a coating device, which is arranged between the cutting device and the winding device and is used for coating the film.

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