KR100297004B1 - emboss forming apparatus and its method for vinyl sheet - Google Patents

Abstract

PURPOSE: An apparatus and a method for forming an embossing on vinyl are provided to improve the workability and to reduce the manufacturing cost by continuously performing the vinyl forming process and the embossing process. CONSTITUTION: An apparatus for forming an embossing on vinyl comprises a resin injector(10) for melting synthetic resin on a pallet. The resin injector(10) produces molten vinyl. Synthetic resin which is a raw material of vinyl is injected through an inlet(12) of the resin injector(10). The raw material is heated and melted in a body(14) of the resin injector(10), so that the raw material has a liquid phase. A screw is provided in the body(14) of the resin injector(10) so as to push the liquid phase synthetic resin. An extruder(16) is provided at a front of the body(14) of the resin injector(10). The extruder(16) has a cylindrical shape, and air is supplied along a periphery of the cylindrical body so as to extrude a thin liquid-phase resin.

Description

Emboss forming apparatus and its method for vinyl sheet

The present invention relates to a method for embossing a vinyl sheet and its apparatus, and more particularly, to melt-injecting a synthetic resin material on a pallet to form a vinyl sheet, and simultaneously to form a series of finished products embossed with a predetermined width. The present invention relates to a device for embossing a vinyl sheet and an embossing molding method to make the work.

In general, the vinyl sheet is used a lot of vinyl sheet embossed to make a plurality of protrusions formed on the surface for aesthetic and functional use. For example, in a product made by overlapping a rubber material such as a tire, a vinyl sheet attached between the rubber material and the rubber material is used in order to remove foreign substances between the rubber material and the rubber material and to improve adhesion. In actual production of the rubber material product, since the pasted vinyl sheet should be removed and pasted, the embossed vinyl sheet is mainly used to facilitate removal of the vinyl sheet at the time of mass production of the rubber product.

In addition, since the vinyl sheet attached to the rubber material has a certain thickness, it is difficult to emboss, as well as the tensile strength in the horizontal and vertical directions should be excellent, so if the embossing is performed simply by heating, the embossed shape is cooled. It is released to its original state. Therefore, in order to solve these disadvantages, the embossed pattern is generally prevented from being unwrapped by cooling the stretched non-fat paper fabric after heating. This method is described in Korean Patent Publication No. 87-1802 as a method of molding embossing on a vinyl sheet. Hereinafter, a manufacturing method for embossing molding on a conventional vinyl sheet will be briefly described with reference to the drawings.

1 is a view showing a process chart of a conventional embossing molding method of vinyl sheet. As shown, after cutting the plastic sheet molded in advance using a pellet-like synthetic resin material having a predetermined width, the plastic sheet is wound around the supply roller (1). The plastic sheet fabric wound on the supply roller 1 is configured to be transferred to the resistance roller 3 through the auxiliary roller 2. And the resistance roller (3) is composed of the central axis is eccentric so that the plastic paper fabric is rotated by the tension and the heater is installed in the lower portion to spread evenly by the pen so that the plastic paper (a) is stretched in the stretch plate (4) After the construction, the press roller 5 and the rubber roller 6 are embossed on the plastic sheet. Meanwhile, a water-cooled cooler 5a is installed inside the pressing roller 5 so that the embossing work is performed on the vinyl sheet according to the shape engraved on the surface of the pressing roller 5, and at the same time, it is cooled and contracted. After the roller 7 is configured to be in close contact with the press roller 5 and cooled by the roller 7, the roller is cut by the cutting roller 8 so as to be wound on a winding roller (not shown).

According to the above method, since the cooling is performed simultaneously with the embossing molding operation, the embossing pattern is prevented from being released again. However, the conventional embossing molding method has the following problems.

First, there is a problem in that the production work of the vinyl sheet and the embossing molding work is separated and the productivity decreases and the production cost rises. In other words, using a pellet-like synthetic resin material to produce a separate desired vinyl sheet in a different process, the embossed operation is made by receiving the produced vinyl sheet separately, so it is not only a double process but also a separate process for each process As well as the apparatus, manpower is required accordingly, and thus there is a problem in that productivity is reduced as well as work efficiency.

And, although the water-cooled cooling device is included in the compression roller to prevent the embossing pattern from being released by cooling at the same time as the embossing operation, there is a problem that the embossing pattern is not clear due to insufficient cooling. That is, the heat-stretched vinyl sheet passes between the pressing roller and the rubber roller, while embossing and cooling are performed, but the water-cooled cooler is installed only inside the pressing roller to cool only one surface of the vinyl sheet. Therefore, the other side of the vinyl sheet, which is not directly transmitted by the cooler, is not sufficiently cooled, thereby causing a problem in that a part of the embossed pattern is released to deteriorate physical properties.

Therefore, the present invention is to solve the above problems, the vinyl sheet embossing device and its molding to improve the work efficiency and to reduce the manufacturing cost by the work is carried out in a series of continuous process from the raw material on the pellet to the embossing work It is an object to provide a method.

Another object of the present invention is to provide an embossing apparatus and a molding method of which productivity is improved by allowing two embossing operations to be simultaneously performed at two places by producing two vinyl sheets in one operation.

Another object of the present invention is to provide an embossing apparatus having a sufficient tensile strength and a clear embossed pattern and a molding method thereof so that the embossed pattern is not sufficiently deformed by allowing sufficient cooling on both sides simultaneously with the embossing operation.

1-a schematic view of a conventional general vinyl sheet embossing molding apparatus.

Figure 2-Schematic diagram of a vinyl sheet embossing forming apparatus according to the present invention.

Figure 3 is a view showing a vinyl sheet separating part and the eccentric roller part according to the present invention.

Figure 4-shows an embossing forming portion according to the present invention.

5 is a view showing a width adjusting portion according to the present invention.

* Description of the symbols for the main parts of the drawings *

10: resin injection machine 12: raw material input inlet

14 body 16: ejector

20: vinyl mount guide part 24: auxiliary roller

30: vinyl sheet separator 32: blade

34: auxiliary roller 40: tension roller

42: hinge axis 44: roller support

46: roller 50: heating stretching unit

60: embossing forming portion 62: compression roller

62a: water-cooled chiller 64: pressurized roller

64a: water-cooled cooler 70: width control unit

72: support 74: blade member

74a: body 74b: blade

According to a first aspect of the present invention for achieving the above object, a resin injection machine for melting a pellet-type synthetic resin material raw material, and spraying the molten raw material in a cylindrical semi-liquid bag having a predetermined thickness in an upward direction; As the sprayed cylindrical bag ascends to the upper side, a vinyl mount guide portion having a triangular shape so as to be superimposed with a double vinyl; and cuts both sides of the double vinyl mount passed through the guide portion and separated into two vinyl mounts. A vinyl sheet separator; Two tension rollers connected to each of the separated vinyl sheets to apply a constant tension; Two heating and stretching portions each of which is changed into ductility by heating each vinyl sheet passing through the tension roller and installed vertically on upper and lower portions thereof; It is installed in two places up and down spaced apart from each of the heating and stretching portion, and the embossed pattern is carved on the outer surface so that each heat-stretched vinyl paper passes through the embossing, and a water-cooled cooler is provided therein to cool the upper surface of the vinyl mount. An embossing forming unit comprising a compression roller and a pressure roller having a water cooling cooler therein to pressurize the vinyl sheet passing through surface contact with the outer surface of the compression roller and to cool the rear surface of the vinyl sheet; and the vinyl sheet formed with the embossing roller A width adjusting portion provided with a plurality of blade members which are width-adjusted in the direction of constriction so as to be cut to a predetermined width; And a winding roller for winding the embossed vinyl sheet cut by the width adjustment.

In addition, a plurality of auxiliary rollers may be further installed between the vinyl support guide and the winding roller to maintain the flatness of the vinyl sheet being transferred, and the eccentric roller may be connected to the hinge shaft and the hinge shaft fixedly installed. It is preferable that the roller support is composed of a roller installed to be rotated at both ends of the roller support and is vertically flown according to the tension of the vinyl sheet wound and transmitted to the roller to apply a constant tension to the vinyl sheet.

On the other hand, according to a second aspect of the invention, the first step of introducing a pellet-like synthetic resin raw material to the resin injection machine; A second step of melting the pellets injected using the resin injection machine and spraying the molten raw material upward into a cylindrical half-liquid bag having a predetermined thickness to form a molten vinyl sheet; A third step of forming a vinyl sheet to overlap the injected molten vinyl sheet with a double; A fourth step of cutting both coupling portions of the double vinyl sheet and separating the two vinyl sheets into two vinyl sheets; A fifth step connected to each of the separated vinyl sheets, applying a constant tension, and heating and stretching each vinyl sheet; A sixth step of forming an embossed patterned vinyl sheet by performing embossing on the heated and stretched double vinyl sheets using cooling rollers and pressurized rollers each having a water-cooled chiller installed therein and cooling for preventing property change; ; A seventh step of cutting the embossed vinyl sheet into a predetermined width; And an eighth step of winding in a winding roller for winding the embossed vinyl sheet cut by the width control.

Therefore, according to the present invention, not only the work of the embossed vinyl sheet from the raw material is continuously performed, but also the productivity of the two vinyl sheets is improved.

Hereinafter, with reference to the drawings showing the embossing molding apparatus for vinyl mount according to the present invention will be described in more detail.

2 is a view showing a schematic configuration of an embossing molding apparatus for a vinyl sheet according to the present invention. As shown, a resin injection machine 10 for melting a pellet-shaped synthetic resin material is provided. The resin injection machine 10 is for producing a vinyl sheet in a molten state, and a pellet-like synthetic resin material which is a raw material of the vinyl sheet is injected through the inlet 12. The injected pellet-like raw material is heated and melted in the main body 14 of the injection molding machine to change into a liquid phase. On the other hand, the injection main body 14 is provided with a screw (not shown) to push the molten liquid synthetic resin material forward, and the injection main body 14 in front of the ejector to eject the liquid resin in a molten state to a certain thickness 16 is provided. The ejector 16 is formed in a cylindrical shape as a whole, and forms a cylindrical bag having a predetermined thickness by the air supplied so that the liquid resin is ejected into a cylindrical thin film along the cylindrical edge. Will erupt. The cylindrical bag is conveyed through the vinyl guide portion 20 in the upward direction by the air supplied to form a double plastic sheet.

The formation of such vinyl sheets will be described in more detail. The cylindrical liquid resin is ejected by the ejector 16, and the cylindrical liquid resin is transferred upward by the air supplied. On the other hand, the upper portion of the blower 16 is provided with a vinyl mount guide portion 20 made of a triangle. Therefore, the liquid resin to be delivered is gradually cooled along the inside of the triangle of the vinyl guide portion 20, and the cylindrical bag is folded while being transferred to the upper side of the vinyl guide portion 20 so that the guide portion 20 After passing through the upper end 22, a solid double plastic sheet is formed. Ends of both sides of the two-ply vinyl mount are connected to each other, and are wound through the auxiliary rollers 24 positioned on the upper side of the vinyl mount guide portion 20. The auxiliary roller 24 flatly spreads the vinyl sheet passing through the vinyl sheet guide portion 20 and at the same time applies a predetermined tension to have a desired thickness.

On the other hand, the two layers of vinyl sheet passed through the auxiliary roller 24, as shown in Figure 3, is separated by the vinyl sheet separator 30, respectively. That is, the vinyl sheet separator 30 is provided with the blades 32 upwards at positions corresponding to both sides of the vinyl sheet to be transmitted, and both sides of the vinyl sheet are cut by the blades 32 so that the two vinyl sheets are supported. To be separated. Each vinyl strip separated by the blade 32 is transferred to the tension roller 40 through the auxiliary roller 34.

The tension roller 40 is to maintain a predetermined thickness of the vinyl sheet by applying a constant tension to the vinyl sheet. That is, for embossing to be described later it is necessary to supply a vinyl sheet having a certain thickness. This is because a vinyl sheet having the same thickness is supplied, and thus a product having a certain shape and physical properties can be produced. The tension roller 40 has a hinge shaft 42 fixed to one side of the main body, and a roller support 44 that is vertically flown to the hinge shaft is attached.

The roller support 44 is attached to the roller support 44 so that the roller support 44 flows in the vertical direction of the hinge shaft 42 according to the tension applied to the roller 46 to apply a constant tension to the vinyl support. do. That is, when the tension is not applied by the plastic paper, the tension roller 40 is positioned vertically downward by the weight of the roller 46, and the tension roller is in accordance with the tension of the vinyl paper on which the vinyl paper is wound and transmitted. 40 is moved upward by the hinge shaft 42. Therefore, the tension roller 40 flows according to the tension of the vinyl sheet applied within a horizontal 90 ° displacement from the vertical downwards, and always applies a constant tension to the vinyl sheet to be delivered, thereby providing a vinyl sheet having a predetermined thickness. Supply is possible.

Next, the vinyl sheet wound around the tension roller 40 is passed through the auxiliary roller to the heating and stretching unit 50. The heat-stretching unit 50 is to add a certain temperature to the vinyl sheet to be transmitted to heat the vinyl sheet to change the physical properties to some extent to facilitate the embossing operation to be described later. To this end, the heat-stretching unit 50 is made of a heating plate formed horizontally, the plastic sheet passing through the heating plate is changed to the physical property by the heat transferred. Therefore, the embossed pattern can be easily formed as the heat-stretched vinyl sheet passes through the embossed forming portion described later.

The vinyl sheet stretched from the heat drawing section 50 is embossed while passing through the embossing forming section 60. Hereinafter, the embossing forming unit 60 will be described in more detail with reference to FIG. 4. As shown, two embossing forming portions 60 are provided at the top and bottom to form an embossed pattern on the surface of each vinyl sheet to be transferred. The embossing forming part 60 is composed of a pressing roller 62 in which an embossing forming pattern 62b is formed on a plastic sheet on an outer surface thereof, and a pressing roller 64 which is pressed against the pressing roller surface and rotated. . Water cooling coolers 62a and 64a are installed inside the pressing roller 62 and the pressurizing roller 64 to immediately pass between the pressing roller 62 and the pressurizing roller 64 and immediately cool the vinyl sheet where embossing is performed. Will be deterred. When the above process is described in more detail, the upper surface of the vinyl sheet supplied by heating and stretching between the pressing roller 62 and the pressing roller 64 is formed on the embossed forming pattern 62b carved on the outer surface of the pressing roller 62. The embossed pattern is formed, and at the same time, the embossed pattern is immediately cooled by the water-cooled cooler 62a installed in the compression roller 62. On the other hand, the water-cooled cooler (64a) is also installed in the pressure roller (64), so that the back of the conveyed vinyl mount is also cooled immediately at the same time as the embossed pattern is formed, so that no change in physical properties.

Next, the plastic sheet past the embossing forming part 60 passes through the width adjusting part 70 so as to have a width size desired by the user. As shown in Figure 5, the width adjustment portion 70 is installed on the support 72, the width adjustment of the vinyl mount is made by the blade member 74 is adjusted to the left and right length. That is, the blade member 74 has a structure in which the body 74a is fastened to the support 72 by screws (a), and has a structure in which a blade 74b is attached to one end of the body 74a. have. Since the screw can be fixed at any position of the support 72, the width of the blade member 74 can be fixed by adjusting the position, and the blade 72b to which the blade 74b is attached is itself a support. Since the blade 74b is not used, the blade 74b is not used, and only the necessary blade member 74 is used while the body 74a is lifted upward. Accordingly, as the vinyl sheet having the embossed pattern passes through the blade member 74, it is possible to form a plurality of vinyl sheets having various widths.

The vinyl sheet cut by the blade member 74 is wound around a winding roller (not shown) located behind the auxiliary roller, and the wound vinyl sheet is used by the user as needed.

As described above, according to the present invention, since the embossed vinyl sheet having the required width size can be continuously produced in the synthetic resin material on the pellets, the productivity is improved due to the simplification of the apparatus and the reduction of the production equipment.

In addition, since the vinyl sheet separator is capable of producing two vinyl sheets, it is possible to produce more than twice in one operation, thereby reducing other manufacturing costs and improving production efficiency.

In addition, since the water-cooled cooler is installed inside the compression roller and the pressure roller, embossing can be formed and the upper and lower surfaces of the vinyl sheet can be immediately cooled, thereby restraining the change of physical properties of the vinyl sheet to form a vinyl sheet having uniform quality. There is another effect that can be done.

Claims (4)

A resin injection machine for melting the injected pellet-like synthetic resin raw material and injecting the molten raw material into a cylindrical semi-liquid bag having a predetermined thickness in an upward direction; A vinyl mount guide portion formed in a triangular shape so as to be superimposed with a double vinyl as the sprayed cylindrical bag rises upward; and A vinyl sheet separation unit which cuts both coupling portions of the double vinyl sheet passing through the guide unit and separates the two vinyl sheets into two vinyl sheets; Two eccentric rollers connected to each of the separated vinyl sheets to apply a constant tension; Heating and stretching each vinyl sheet passing through the eccentric rollers, and two heating and stretching units installed vertically on the upper and lower parts thereof; Up and down two spaced apart from each of the heating stretching section is installed, each of the heat-stretched vinyl paper is passed through the embossed pattern is engraved on the outer surface to be embossed, and the water-cooled cooler is provided inside to cool the upper surface of the vinyl mount An embossing forming unit including a roller and a pressurized roller having a water-cooled cooler therein to pressurize the vinyl sheet passing in surface contact with the outer surface of the pressing roller and to cool the rear surface of the vinyl sheet; and A width adjusting portion provided with a plurality of blade members which are width-adjusted in the direction of constriction so as to cut the embossed vinyl sheet into a predetermined width; And Embossing molding apparatus for a vinyl mount, characterized in that consisting of; winding roller for winding the embossed vinyl sheet cut by the width adjustment. The apparatus of claim 1, wherein a plurality of auxiliary rollers are further provided between the vinyl support guide and the winding roller to maintain the smoothness of the vinyl support. The roller according to claim 1 or 2, wherein the eccentric roller is composed of a hinge shaft that is fixedly installed, a roller support that is rotatably connected to the hinge shaft, and a roller that is rotatably installed at both ends of the roller support. An embossing molding apparatus for vinyl mounts, wherein the vinyl sheet is vertically flown according to the tension of the vinyl sheet to be wound and applied to the vinyl sheet to apply a constant tension to the vinyl sheet. A first step of introducing the pelletized synthetic resin material into the resin injection machine; A second step of melting the pellets injected using the resin injection machine and spraying the molten raw material upward into a cylindrical half-liquid bag having a predetermined thickness to form a molten vinyl sheet; A third step of forming a vinyl sheet to overlap the injected molten vinyl sheet with a double; A fourth step of cutting both coupling portions of the double vinyl sheet and separating the two vinyl sheets into two vinyl sheets; A fifth step connected to each of the separated vinyl sheets, applying a constant tension, and heating and stretching each vinyl sheet; A sixth step of forming an embossed patterned vinyl sheet by embossing the heat-stretched double vinyl sheet using a press roller and a press roller equipped with a water-cooled chiller respectively, and simultaneously cooling to prevent physical property change; ; A seventh step of cutting the embossed vinyl sheet into a predetermined width; And And an eighth step of winding the winding roller to wind the embossed vinyl sheet cut by the width adjustment.