KR100889778B1 - A forming apparatus for leather pattern - Google Patents

Abstract

An electrical type leather pattern forming device is provided, which forms various patterns in the leather surface by burning the leather while moving the leather backward and forward. An electrical type leather pattern forming device comprises: a frame(10) in which a rotator is installed at both side ends; an axis of rotation which is rotatably combined with the rotator; a rotation electrode(40) which is fixed in both ends of the axis of rotation; a brush electrode(30) which is connected to the electric trace(71) supplying the power and maintains electric connection condition of the rotation electrode; a non-conductive rotation roller which is inserted and fixed on the axis of rotation; and a heating line which is rolled outside the rotation roller.

Description

Electric Leather Pattern Forming Equipment {A FORMING APPARATUS FOR LEATHER PATTERN}

The present invention relates to an electric leather pattern forming apparatus, and in particular, to an electric leather pattern forming apparatus for pressing a heat generating unit on the leather surface to form a variety of patterns on the leather surface by burning the leather surface while moving back and forth.

It mainly uses sheep leather or cow leather to make carpets, fabrics and wallets. These leather products are engraved with various patterns on the surface of the leather to increase the value of the product.

Conventionally, in order to engrave a pattern on the leather product, the surface of the leather is coated with various colors to dry and engraved the pattern. However, the spray method has a problem that the engraved pattern is peeled off or discolored.

Due to this problem, in recent years, a pattern is processed to concave or convex in a pressure roller and a compression roller, heat is applied to the pressure roller, and the leather is passed through the rollers to burn the surface of the leather to engrave the pattern.

However, the above method is expensive to produce a pattern on the pressure roller, there is a problem that the price of the product is increased, and also there is a problem that can not produce the product only with the pattern set on the pressure roller at the beginning .

The present invention is to solve the above problems, it is an object of the present invention to provide an electric leather pattern forming apparatus capable of expressing a variety of patterns on the leather surface by burning the surface of the leather while moving forward and backward by closely contacting the molding heat generating portion on the leather surface. .

In order to achieve the above object, the present invention is a handle is formed and both ends of the frame and the rotating body is installed; A rotating shaft rotatably coupled to the rotating body; Rotating electrodes fixedly installed at both ends of the rotating shaft; A brush electrode connected to the electrical wire for supplying power and installed on the outer electrode surface of the rotating electrode to maintain an electrical connection with the rotating electrode; A non-conductive rotating roller which is inserted and fixed on the rotating shaft; The above object is achieved by a heating wire electrically connected to the rotating electrode and wound around the outside of the rotating roller.

The rotating roller is preferably made of a ceramic material.

The heating wire is composed of one row of heating wires, both ends of the one row of heating wires are electrically connected to both rotating electrodes, or both ends of the heating wires connected in parallel with two or more lines are preferably electrically connected to the both rotating electrodes.

The power supplied to the heating wire is AC or DC power, and in the case of the DC power, the power converter further includes a power converter.

Preferably, the rotating shaft has a pipe structure in which all or a part of the region inserted into the rotating roller is opened in the rotating shaft direction.

The electric leather pattern forming apparatus of the present invention can express a variety of patterns on the leather surface by burning the leather while moving in front and rear direction in close contact with the leather surface.

Hereinafter, with reference to the accompanying drawings an embodiment of the electric leather molding machine of the present invention will be described in more detail.

As shown in Figure 1 to Figure 5, Figures 1 and 2 are a perspective view and a front view for explaining the structure of the leather pattern molding machine of an embodiment of the present invention, Figure 3 is an insulating terminal of the molding machine is an embodiment of the present invention And partially enlarged cross-sectional view for explaining the grounding state of the rotating electrode, FIG. 4 is a cross-sectional view taken along the line A-A of FIG.

As shown in Figure 1, the handle 12 of the present invention is formed and both ends of the frame 10 and the rotating body 20 is installed; A rotating shaft 51 rotatably coupled to the rotating body 20; A rotating electrode 40 fixedly installed at both ends of the rotating shaft 51; A brush electrode 30 connected to the electrical wire 71 for supplying power and installed on the outer electrode surface of the rotating electrode 40 to maintain an electrical connection with the rotating electrode 40; A non-conductive rotary roller 52 inserted into and fixed on the rotary shaft 51; It is composed of a heating line 53 is electrically connected to the rotary electrode 40 is wound on the outside of the rotary roller 52.

The handle 12 is installed by the bracket 11 on both sides, the bracket 11 is installed on the frame 10 by the fastening bolt and nut.

A screw thread is formed at both ends of the rotary shaft 51 inserted into the rotary roller 52, and the rotary roller 52 and the rotary shaft 51 are compressed and fixed to each other by tightening a nut N coupled to the screw. For this purpose, the rotating shaft 51 should be longer than the rotating roller 52 as shown.

The rotary roller 52 is made of a ceramic material.

On the other hand, when the heating line 53 is heated, it is preferable to open the whole axial direction in order to prevent the rotation shaft 51 from expanding and causing a central crack in the rotation roller 52.

When the power cord is plugged in, a current is supplied to the brush electrode 30 connected to the electric wire, and the supplied current flows to the rotating electrode 40 electrically connected to the brush electrode 30, and the rotating electrode ( 40 is electrically connected to the heating wire 53 is connected to the heating wire 53 is a current is sent to generate heat.

The heating wire 53 is composed of one row of heating wires 53, both ends of the one row of heating wires 53 are electrically connected to both rotating electrodes 40, or both ends of the heating wires 53 connected in parallel with two or more lines. It is preferable to be electrically connected to the both rotating electrodes 40.

The power supplied to the heating line 53 is AC or DC power, and in the case of the DC power, the power converter 60 may further include a power converter 60.

The heating line 53 may have various shapes such as a triangle, a square, a star, and the like.

Hereinafter, the operation state and action of the electric leather pattern forming apparatus made of the above configuration will be described.

First, when the current flows in the electric leather pattern forming apparatus of the present invention, the current flows through the brush electrode 30 along the electric wiring and the heating line 53 through the rotating electrode 40. At this time, the brush electrode 30, the rotating electrode 40 and the heating line 53 is electrically connected.

Holding the handle formed in the center of the frame 10 in the state where the current is applied to the leather product to form a pattern to closely contact the molded heat generating unit 50 to move in the front and rear direction while burning the leather surface can express a certain pattern. .

Here, the temperature of the heating wire is a temperature of approximately 150 ℃ ~ 400 ℃ and by heating the heating wire 53 having such a temperature to burn or press the leather surface or burned in semi-combustion rather than complete combustion.

In order to form a certain pattern as described above, it is preferable to burn the leather while moving only the front and rear directions, and this operation can be applied to both manual and automated operations.

Heating line 53 may be formed in a variety of shapes, such as star shape, square shape can be used to express more and more various patterns.

On the other hand, when the heating line 53 is heated, heat is transmitted to the rotating shaft 51 and the rotating shaft 51 is expanded to the outside. Since the opening 51a is formed in the rotating shaft 51, the heating line 53 contracts to the inside without expanding to the outside. By doing so, it is possible to prevent the rotating roller 52 from cracking.

The power supply of the molding machine is preferably an AC or DC power supply, but when the heating line 53 is arranged in two or more lines, the power supply is preferably a DC power supply.

In addition, the molding apparatus of the present invention can be automatically expressed on the leather surface.

The present invention is configured to measure the temperature and speed to move faster when the temperature is higher and slower when the temperature is lower. That is, the speed of burning the surface of the leather can be slowed down or increased depending on the temperature.

The embodiments of the present invention have been described above with reference to the accompanying drawings.

However, it is to be noted that the present invention is not limited only to the above-described embodiments, and that various modifications and changes can be made by those skilled in the art within the spirit and spirit of the appended claims as necessary.

1 is a perspective view for explaining the structure of a leather pattern forming machine which is an embodiment of the present invention.

Figure 2 is a front view for explaining the structure of a leather pattern forming machine which is an embodiment of the present invention.

Figure 3 is a partially enlarged cross-sectional view for explaining the grounding state of the insulating terminal and the rotating electrode of the molding machine which is an embodiment of the present invention.

4 is a cross-sectional view taken along the line AA of FIG.

5 is a first embodiment of a leather pattern forming machine of the present invention.

<Explanation of symbols for the main parts of the drawings>

1: molding machine 10: frame

12: handle 13: support

20: bearing metal 30: brush electrode

40: rotating electrode 50: forming roller

51: rotation axis 52: opening

53: ceramic material 54: heating wire

60: converter

Claims (6)

A handle is formed and a frame having a rotating body at both ends; A rotating shaft rotatably coupled to the rotating body; Rotating electrodes fixedly installed at both ends of the rotating shaft; A brush electrode connected to the electrical wire for supplying power and installed on the outer electrode surface of the rotating electrode to maintain an electrical connection with the rotating electrode; A non-conductive rotating roller which is inserted and fixed on the rotating shaft; And a heating wire electrically connected to the rotating electrode and wound around the outer of the rotating roller. The electric leather pattern forming apparatus of claim 1, wherein the rotating roller is made of a ceramic material. According to claim 1, wherein the heating wire is composed of a row of heating wires, both ends of the one line of heating wires are electrically connected to both rotating electrodes, or both ends of the heating line is connected to two or more parallel wires electrically connected to the both rotating electrodes. Electric leather pattern forming apparatus, characterized in that the. The electric leather pattern forming apparatus of claim 1, wherein the power supplied to the heating wire is AC or DC power, and the power supply converter further comprises a power converter. The electric leather pattern forming apparatus of claim 2, wherein the rotating shaft has a pipe structure in which all or a part of the region inserted into the rotating roller is opened in the rotating shaft direction. According to claim 1, wherein the screw thread is formed at both ends of the rotary shaft inserted into the rotary roller, the rotary roller and the rotary shaft is fixed to each other by tightening the nut coupled to the screw line. Leather glyph forming machine.

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