KR101809412B1 - Manufacturing device of plastic sheet having remixing module - Google Patents

Abstract

The present invention relates to a plastic sheet manufacturing apparatus, and more specifically, to a plastic sheet manufacturing apparatus having a remixing module, the plastic sheet manufacturing apparatus which enables the entire process to be automatically performed and improves mixing efficiency. The plastic sheet manufacturing apparatus of the present invention comprises: two or more raw material mixing modules into which plastic sheet raw materials are injected such that the plastic sheet raw materials are mixed; a sheet extraction module which receives the plastic sheet raw materials supplied from the respective raw material mixing modules to heat the plastic sheet raw materials and extracts a sheet with a preset thickness from the heated raw materials; a raw material supply pipe which supplies raw materials to the sheet extraction module from a plurality of the raw material mixing modules; a thickness processing module which processes a sheet extracted from the sheet extraction module into a final sheet thickness; a cutting module which cuts the sheet having its thickness adjusted in the thickness processing module to a predetermined width; and the remixing module which transfers the raw materials from the raw material mixing modules to the sheet extraction module while remixing the raw materials.

Description

Technical Field [0001] The present invention relates to a plastic sheet having a remixing module,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a plastic sheet manufacturing apparatus, and more particularly, to a plastic sheet manufacturing apparatus provided with a re-mixing module that improves mixing efficiency while automatically performing an entire process.

Generally, synthetic resins such as plastics are indispensable products in modern life, and they are being used for various purposes such as daily necessities and architectural use.

Such a plastic synthetic resin is formed in a sheet form at the first factory and supplied to a secondary processing factory. In the secondary processing factory, the supplied plastic sheet is processed to produce other types of articles, or a separate sheet It can also be used as sheet or board form through printing process.

The process of producing the conventional plastic sheet will be briefly described. After mixing the raw materials of the plastic sheet, the mixed raw materials are melted, processed to have a predetermined thickness and width, and then cooled in a separate place And then cooled and stored.

However, in the case of such a conventional method for producing a plastic sheet, the constituents applied in each process are separately formed, so that the operator must perform the respective processes separately for each process, The manufacturing process time of the semiconductor device is increased.

Korean Patent No. 10-1178267

SUMMARY OF THE INVENTION The present invention has been made to overcome the above-mentioned problems, and an object of the present invention is as follows.

First, the present invention has an object to provide a plastic sheet manufacturing apparatus in which the whole process is automatically carried out and brings about operational convenience.

Another object of the present invention is to provide a plastic sheet manufacturing apparatus that facilitates the discharge and movement of a sheet raw material to be supplied.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a method of manufacturing a plastic sheet, comprising the steps of: mixing two or more raw material mixing modules into which a raw material of a plastic sheet is charged and mixed; heating the raw material of the plastic sheet supplied from each of the raw material mixing modules, A raw material supply pipe for supplying the raw material to the sheet extracting module from the plurality of raw material mixing modules; a thickness processing module for processing the sheet extracted from the sheet extracting module into a final sheet thickness; And a re-mixer module for re-mixing and feeding the raw material from the raw material mixing module to the sheet extracting module, and a re-mixer module for feeding the raw material to the sheet extracting module, Thereby providing a manufacturing apparatus.

Here, the remixing module may include a pressurizing cylinder, a pressurizing piston moving according to the operation of the pressurizing cylinder, and a pressurizing portion provided at the end of the pressurizing piston to pressurize the raw material.

The pressurizing unit may include a hot air hole for pressurizing the raw material, and a hot air supply hose for supplying hot air through the hot air hole may be connected to the pressurizing unit.

The cooling module further includes a cooling roller body having a roller shape. The cooling roller body has a plurality of surfaces vertically intersecting with each other. A cooling air flow path is provided, and the cooling air flow path is provided with a cooling air supply hole at a predetermined spaced position.

Effects of the plastic sheet manufacturing apparatus having the remixing module according to an embodiment of the present invention will be described as follows.

First, according to the apparatus for manufacturing a plastic sheet provided with the remixing module according to an embodiment of the present invention, it is possible to increase the manufacturing efficiency by automatically performing the entire process from the raw material mixing process to the sheet manufacturing, cooling and storage processes, Can be shortened.

Second, according to the apparatus for manufacturing a plastic sheet having the remixing module according to an embodiment of the present invention, the mixing module is further applied to increase the mixing efficiency and improve the product quality.

Thirdly, according to the apparatus for manufacturing a plastic sheet provided with the remixing module according to an embodiment of the present invention, when the width of the sheet is adjusted, the cut sheet remaining portion is supplied again to the sheet extracting module, The effect of reducing the material cost is brought about.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

Brief Description of the Drawings Fig. 1 is a schematic view showing the arrangement of major components constituting the apparatus for producing a plastic sheet according to an embodiment of the present invention; Fig.
FIG. 2 is a schematic view of an appearance of a mixing module applied to an apparatus for producing a plastic sheet according to an embodiment of the present invention; FIG.
3 is a cross-sectional view of the main part of the mixing module in FIG. 2;
4 is a view showing a thickness processing module applied to a plastic sheet manufacturing apparatus according to an embodiment of the present invention;
5 illustrates a re-transfer module applied to an apparatus for manufacturing a plastic sheet according to an embodiment of the present invention;
FIG. 6 is an exploded perspective view schematically showing a configuration in which a hot air supply pipe in a raw material supply pipe is connected to the mixing case in FIG. 1; FIG.
FIG. 7 is an external perspective view of the hot air supply pipe in FIG. 6; FIG.
FIG. 8 is a plan view schematically showing a cutting module applied to an apparatus for producing a plastic sheet according to an embodiment of the present invention; FIG.
FIG. 9 is an exploded perspective view showing one side of the cutting module in FIG. 8; FIG. And
10 is a perspective view illustrating a cooling module applied to an apparatus for manufacturing a plastic sheet according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In describing the present embodiment, the same designations and the same reference numerals are used for the same components, and further description thereof will be omitted. First, the configuration and operation according to the preferred embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a view schematically showing the arrangement of major components constituting the apparatus for producing a plastic sheet according to an embodiment of the present invention.

The apparatus 100 for manufacturing a plastic sheet according to an embodiment of the present invention includes a raw material mixing module 110, 210 and 310, a sheet extracting module 120, a thickness processing module 130, A module 140, a cooling module 150, a re-conveying module 170, and a remixing module 180.

Here, the raw material of the plastic sheet is made of a material such as PE or PET in the form of small pieces or powder.

Meanwhile, the raw material mixing modules 110, 210, and 310 are configured such that the raw material of the plastic sheet as described above is injected and mixed.

As shown in the drawing, one or more of the raw material mixing modules 110, 210, and 310 are connected to each other by the raw material supply pipe 80 so that the raw material of the mixed plastic sheet is supplied to the sheet extracting module 120 .

The mixed raw materials in the selected raw material mixing modules 110, 210 and 310 are inputted into the sheet extracting module 120 according to the circumstances, thereby preventing a shortage of raw materials.

Each of the raw material mixing modules 110, 210 and 310 has an outer space and an inner space and includes a mixing case 111 having feed parts 112, 212 and 312 and exhaust parts 102, 202 and 302, And mixing screws 113, 213, and 313 for mixing the raw materials, which are provided in the mixing cases 111, 211, and 311, respectively.

The mixing screws 113, 213 and 313 are connected to the rotating shafts of the driving motors 177, 277 and 377 provided outside the mixing cases 111, 211 and 311 so that the driving motors 177 and 277 The raw materials of the plastic sheets injected into the mixing cases 111, 211, and 311 are mixed with each other and then discharged to the discharging units 102, 202, and 302, respectively.

Some raw material mixing modules 210 and 310 among the plurality of raw material mixing modules are connected to the raw material supply pipe 80 by an on-off valve 90 to selectively supply the raw materials to the raw material supply pipe 80 .

When the raw materials of the main raw material mixing module 110 are insufficient, the raw materials in the remaining raw material mixing modules 210 and 310 are supplied to the sheet extracting module 120, At this time, raw materials are supplied to the inside of the main raw material mixing module 110 and mixed and stored.

The raw material supply pipe (80) further includes a hot air supply pipe (116) for allowing the raw materials to move easily, and a description thereof will be described later.

The sheet extracting module 120 receives the sheet raw material supplied from the raw material mixing module 110, heats the sheet raw material, and extracts the heated sheet raw material into a sheet having a predetermined thickness.

The sheet extracting module 120 includes an extraction module case 121 having an internal storage part and the extraction module case 121 is provided with a main supply part 122 and an auxiliary supply part 123 at the upper part .

The main supply part 122 is supplied with the sheet raw materials from the raw material mixing modules 110, 210 and 310 and the auxiliary sheet supply part 123 supplies the sheet remaining part 2 to be described later. Will be described later.

The extraction module case 121 is provided with an extraction unit 124 for extracting the sheet material mixture supplied to the inside of the extraction module case 121 to a predetermined thickness. The extraction unit 124 has a predetermined slit shape.

Meanwhile, the extraction module case 121 is provided with a heating heater part 125 for raising the temperature in the internal space part to maintain the molten state of the sheet raw material mixture.

The extraction module case 121 is provided with an extraction module for pressing the raw material mixture in the internal space and discharging the mixture to the extraction part 124. The extraction module includes a cylinder 126 and a piston 127 do. That is, the piston 127 flows into the extraction module case 121 and is discharged to the extraction part 124 as it presses the melted raw material mixture.

A feed belt 103 and a feed pulley 105 for feeding the raw material discharged from the raw material supply pipe 80 to the main supply part 122 of the extraction module case 121 are provided, Mixing module 180 is provided.

The remixing module 180 comprises a pressurizing cylinder 181, a pressure piston 182 and a pressurizing portion 183.

Meanwhile, the plastic sheet manufacturing apparatus 100 according to the present embodiment supplies the remainder 2 of the sheet cut to a predetermined width by the cutting module 140 to the extraction module case 121 again A re-conveying roller portion 129 and a re-conveying module 170 are provided.

The thickness processing module 130 processes the sheet material extracted from the sheet extraction module 120 into a final sheet thickness to be manufactured.

To this end, the thickness modulating module 130 has two drum portions 131 and 132 spaced apart from each other by an upper portion and a lower portion, and a gap formed between the drum portions 131 and 132 is used as a thickness .

At this time, depending on circumstances, the upper and lower positions of the upper drum part 131 of the drum parts 131 and 132 can be adjusted so that the thickness of the sheet can be changed, which will be described in detail later.

The cutting module 140 performs a function of cutting the thickness-adjusted sheet fabric from the thickness processing module 130 to a predetermined width.

The sheet 1 cut by the cutting module 140 is cooled by being placed on a separate cooling module 150 and then stored in the storage roller portion 190.

Hereinafter, each constitution of the plastic sheet producing apparatus according to the present embodiment will be described in detail with reference to the accompanying drawings.

FIG. 2 is a schematic view showing the outer appearance of the remixing module applied to the apparatus for manufacturing a plastic sheet according to the present embodiment, and FIG. 3 is a sectional view of the main part of the remixing module shown in FIG.

The remixing module 180 includes a pressure cylinder 181, a pressure piston 182 that moves according to the operation of the pressure cylinder 182, and a pressure unit 183 that is provided at an end of the pressure piston 182 and presses the raw material. .

The hot air supply hose 184 for supplying the hot air through the hot air hole 185 is connected to the pressurizing part 183 through the hot air hole 185, (183).

A plurality of the remixing modules 180 thus configured are disposed along the conveying direction of the conveyance belt 103 so that the pressing portion 183 sequentially pressurizes the raw materials while supplying hot air to mix and partially melt the raw materials .

4 is a schematic view of a thickness machining module applied to an apparatus for producing a plastic sheet according to an embodiment of the present invention.

As shown in the figure, the thickness modifying module 130 according to the present embodiment is configured such that the upper drum portion 131 and the lower drum portion 132 are rotatably installed on the rotary shaft 139 of each drum portion.

The rotation shafts 139 of the upper drum part 131 and the lower drum part 132 are installed to be able to rotate relative to the respective side support parts 137 and to maintain the supported state, But the upper drum part 131 and the lower drum part 132 are installed to rotate at a predetermined speed when the motor device is operated.

At this time, the both side support portions 137 of the upper drum portion 131 are coupled to the upper moving portion 133 having the lower portion opened and the upper and lower sliding grooves 134 formed therein.

The lower side support part 137 of the lower drum part 132 protrudes upward and is engaged with the lower fixing part 135 having the sliding guide 136 inserted into the sliding groove 134. [ .

The lower fixing part 135 is fixed to a site where the plastic sheet manufacturing apparatus according to the present embodiment is installed.

The upper moving part 133 of the upper moving part 133 is moved up and down relative to the upper moving part 133 with the sliding groove 134 along the sliding guide 136, Thereby forming a predetermined gap with the lower drum portion 132 and being movable.

At this time, the electromagnet module 138 is provided at a position corresponding to the upper drum part 131 and the side support part 137 connected to the lower drum part 132, and the power is supplied from the outside to the electromagnet module 138 So that the gap between the upper drum portion 131 and the lower drum portion 132 can be adjusted.

5 is a schematic view of a re-transfer module applied to an apparatus for manufacturing a plastic sheet according to an embodiment of the present invention.

The re-conveying module 170 includes a shredding case 171 having an inlet 172 through which the remainder 2 of the sheet is introduced and a discharge portion 173 through which the remainder 2 introduced therein is discharged, And a crushing screw 174 rotatably installed inside the case 171 so as to crush the remaining sheet 2 of the sheet introduced into the inlet 172 and discharge the discharged sheet to the discharge unit 173.

As shown in the figure, the pair of crushing screws 174 are in a state in which the pair of shafts 174 are staggered with each other in a state where the rotating shafts 175 are axially connected to the separate motor portion 176, 174 so as to be introduced into the auxiliary supply portion 123 of the extraction module case 121 after the predetermined state of crushing by the crushing screw 174 is established.

Although not shown in detail, a hot air supply hose (not shown) for supplying a separate hot air to the inside of the shredding case 171 is provided to make the sheet remaining portion in the shredded state become melted, 121 so that the re-extraction process can be performed more easily.

FIG. 6 is a side sectional view schematically showing a configuration in which the hot air supply pipe in the raw material supply pipe of the mixing case is installed in the mixing case in FIG. 1, and FIG. 7 is a perspective view of the hot air supply pipe in FIG.

The discharge ports 102, 202 and 302 of the mixing cases 111, 211 and 311 are connected to a raw material supply pipe 80. Hot air is supplied to a part of the raw material supply pipe 80 from outside, A hot air supply pipe 116 is provided to allow the mixed raw materials in the supply pipe 80 to be supplied to the sheet extracting module 120 more easily.

The open end of the hot air supply pipe 116 is connected to the open end of the hot water supply pipe 116 through an open end of the hot water supply pipe 116, The hot air supply hose 117 is connected.

Also, as shown in the drawing, the hot air supply pipe 116 includes a hot air supply hole 118 which is inclined toward the direction in which the plastic sheet raw material is discharged.

The hot air supply hole 118 allows the raw material of the plastic sheet in the raw material supply pipe 80 having a narrow flow path to be melted in a predetermined manner and is discharged to the outside of the raw material supply pipe 80 more easily by a pressing force by hot air .

FIG. 8 is a plan view schematically showing a cutting module applied to the apparatus for manufacturing a plastic sheet according to an embodiment of the present invention, and FIG. 9 is an exploded perspective view schematically illustrating one side of the cutting module in FIG.

8 and 9, the cutting module 140 applied to the apparatus 100 for manufacturing a plastic sheet according to the present embodiment includes a cutting table portion 141, a cutting portion 142 disposed on the cutting table portion 141, And a module section.

The cutting module part includes a support rod part 142 installed across the cutting table part 141 at a position spaced a predetermined distance above the cutting table part 141, A main moving piece 143 and an auxiliary moving piece 145 which are disposed on both sides of the supporting rod 142 so as to be movable along the longitudinal direction of the supporting rod 142, and a cutting blade 146 disposed below the auxiliary moving piece 145, .

The main tongue piece 143 is provided with a moving groove part 144 such that the main tongue piece 143 is movable along the supporting rod part 142, The auxiliary moving piece 145 is moved to the moving groove portion 144 of the main moving piece 143 so that the main moving piece 143 can be easily moved along the supporting rod portion 142 in a state where the main moving piece 142 is inserted, The bolts 147 are coupled to each other in such a manner that they close each other.

In this case, it is a matter of course that the auxiliary moving piece 145 and the main body are fixed to the supporting rod 142 in a state where the same piece 143 is engaged.

Further, as shown in the figure, the support rod portion 142 is configured to facilitate the change of the width of the seat according to the situation by allowing the scale portion along the longitudinal direction to visually indicate the fixing position of the cutting module portion .

Although not shown in detail, the main rotor 143 is made of a magnet material, and the support rod 142 is made of iron so that the main rotor 143 can be fixed to the support rod 142 So as to be coupled with the auxiliary moving piece 145. In this case,

10 is a perspective view illustrating a cooling module applied to an apparatus for manufacturing a plastic sheet according to an embodiment of the present invention.

As shown, the cooling module 150 has a cooling roller body portion 151 formed in a roller shape. The center of the cooling roller body 151 is connected to the rotation shaft of the separate motor unit 158 so that the cooling roller body 151 is rotated during operation of the motor unit 158.

The cooling air passage unit 152 is provided with a plurality of cooling air passage units 152 formed to cross a plurality of surfaces of the cooling roller body unit 151. The cooling air passage unit 152 has cooling air supply holes 153 are provided. As shown in the drawing, it is preferable that the cooling air supply hole 153 is provided at a crossing point of the cooling air passage portion 152.

Further, it is more preferable that an indicator 154 to which a sion pigment is applied is provided along the periphery of the cooling air supply hole 153.

The instruction unit 154 changes colors according to the cooling air supplied through the cooling air supply holes 153, thereby indicating that the cooling air is smoothly supplied at a proper temperature.

1, the cooling roller body 151 is further provided with an air suction hole 155 in a body portion other than the cooling air passage portion 152. The air suction hole 155 is formed in the sheet 1 The cooling roller body 151 and the cooling roller body 151,

The operation of the apparatus for manufacturing a plastic sheet according to an embodiment of the present invention will now be described.

First, the sheet raw material is introduced into the mixing case 111 through the supply part 112 of the mixing case 111, and the mixing screw 113 is rotated and mixed.

Then, the raw materials easily mixed using the raw material supply pipe 80 and the hot air supply pipe 116 are discharged to the outside of the raw material supply pipe 80 while being partially melted.

Next, the re-mixing module 180 is used to increase the degree of mixing and degree of melting of the raw materials, and then the sheet raw material is moved into the extraction module case 121.

The raw material moved to the extraction module case 121 is melted and the sheet fabric is extracted to a predetermined thickness through the extraction unit 124 using the piston 127 and the cylinder 126 inside.

Although not shown in detail, the extracting unit 124 is configured to be capable of being opened and closed, and reciprocates the piston 127 in a state of being closed for a predetermined time so that the sheet raw material mixture A separate opening and closing door may be applied to the extracting unit 124 for this purpose.

The sheet fabric thus extracted has a shape corresponding to the thickness of the sheet to be manufactured while passing through the thickness modifying module 130. The sheet having the thickness to be manufactured passing through the thickness modifying module 130 is again The sheet 1 having a width desired to be actually produced and the remaining sheets 2 remaining on both sides thereof are removed while passing through the cutting module 140.

At this time, the remainder 2 excluding the actually produced sheet is again conveyed to the auxiliary supply part 123 of the extraction module case 121 while passing through the re-conveying roller part 129, and then is conveyed to the main supply part 122 Is mixed with the sheet raw material to be fed and re-extracted to the extraction unit (124).

On the other hand, the sheet 1 manufactured through the cutting module 140 has a predetermined temperature.

For this purpose, the sheet manufactured by cutting the cutting module 140 is subjected to a cooling process by passing through the cooling module 150.

10, the sheet 1 is in a state of being in surface contact with the cooling roller body 151. When the sheet is conveyed to the cooling roller body 151 by using the air suction hole 155, So that the cooling air supplied through the cooling air supply hole 153 flows smoothly throughout the cooling roller body 151 through the cooling air passage portion 152, It is possible to increase the cooling efficiency.

delete

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is obvious to them. Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

100: plastic sheet manufacturing apparatus 110, 210, 310: raw material mixing module
111, 211, 311: mixing case 113, 213, 313: mixing screw
116: hot air supply pipe 117: hot air supply hose
120: sheet extraction module 121: extraction module case
122: main supply part 123: auxiliary supply part
124: Extraction section 125: Heated heater section
126: cylinder 127: piston
131: upper drum portion 132: lower drum portion
140: Cutting module 141: Cutting table part
142: support rod portion 143:
144: moving groove portion 145: auxiliary moving piece
146: Cutting blade part 150: Cooling module
151: cooling roller body part 152: cooling air passage part
153: Cooling air supply hole 154: Indicator
155: Air intake hole 170: Redistribution module
171: crushing case 172:
173: discharge part 174: crushing screw
180: remixing module 181: pressure cylinder
182: pressure piston 183:

Claims (4)

A sheet extracting module for extracting the raw material heated and heated by receiving the raw material of the plastic sheet fed from each of the raw material mixing modules into a sheet of predetermined thickness; A raw material supply pipe for supplying a raw material from the plurality of raw material mixing modules to the sheet extracting module; a thickness processing module for processing the sheet extracted from the sheet extracting module to a final sheet thickness; And a re-mixing module for re-mixing and transferring the raw material from the raw material mixing module to the sheet extracting module,
Wherein the remixing module comprises a pressure cylinder, a pressure piston moving according to the operation of the pressure cylinder, and a pressing portion provided at an end of the pressure piston to press the raw material.
A plastic sheet manufacturing apparatus equipped with a remixing module. delete The method according to claim 1,
The pressing portion
A hot air hole is provided on a side to pressurize the raw material,
And a hot air supply hose for supplying hot air through the hot air holes is connected to the pressurizing portion.
A plastic sheet manufacturing apparatus equipped with a remixing module. The method according to claim 1,
Further comprising a cooling module for cooling the sheet fed through the cutting module,
The cooling module has a cooling roller body portion formed in a roller shape,
Wherein the cooling roller body portion has a plurality of cooling air flow paths,
Wherein the cooling air flow path portion is provided with cooling air supply holes at predetermined positions,
A plastic sheet manufacturing apparatus equipped with a remixing module.

Images