KR20030065782A - A label printing system and method the same - Google Patents

Abstract

PURPOSE: A freshness indicating label and an apparatus and a method for printing the same are provided to allow consumers to check freshness of foods by forming a freshness indicating label on the foods using thermochromic ink. CONSTITUTION: A freshness indicating label printing apparatus includes an automatic screen printer(10) for forming a smile face printing layer on a frowned face printing layer using thermochromic ink, an UV drier(42), an optical sensor(44) for controlling a position of offset printing material, a cylindrical press(46), and a servo motor(48) for winding the offset printing material. The automatic screen printer(10) is formed at edges thereof with four columns connected to each other through a guide rod. A fixing bracket is assembled with the guide rod and two guide rails are assembled with the fixing bracket. Both sides of a screw cylinder are coupled to an upper end of the fixing bracket. A rectangular plate is fixedly installed on a rod of the screw cylinder.

Description

Freshness label printing apparatus and method, and label printed by the above method {A LABEL PRINTING SYSTEM AND METHOD THE SAME}

FIELD OF THE INVENTION The present invention relates to labels with temperature markings, and more particularly, to a method of producing a freshness label that enables consumers to always eat fresh foodstuffs, a label produced by the method, and an apparatus for producing the label.

Due to the changing workforce, households are increasingly dependent on processed foods, and since food is an important issue for all human beings, providing reliable and safe food is the most important issue in food manufacturing and sales.

It is a basic element of food products that each of these foods must have their own nutrition and be safer, and moreover, products produced and consumed under new processing and distribution technologies must be fully guaranteed to ensure that these products are kept fresh. Treatment is essential.

Conventionally, the concept of the distribution process and the freshness of the product is slim. The concept of consumer food has developed into a culture that is part of life, not just a simple food solution. Therefore, rather than being changed by the demands of consumers, it is possible to receive trust if they analyze and grasp the needs of consumers first.

On the other hand, in order to solve the above-mentioned general problems, a printing layer showing a freshness mark is formed on a label attached to foodstuffs, which is usually printed by an indirect printing method or a direct printing method.

However, such a printing method, that is, the indirect printing method is a color change is possible because the thickness of the ink layer is as thin as 0.0005㎛, but there is a disadvantage that can not conceal other shapes (design) with the ink layer. In addition, since the thickness of the ink layer is as thin as 0.001 μm, the direct printing method may change other shapes (designs) or colors, but may not conceal offset printing or other printing shapes.

Accordingly, an object of the present invention for solving the above problems is to form a printing layer with a Zion ink on the other shape to cover the design of the other shape below a predetermined temperature and a manufacturing method thereof, And to provide a manufacturing apparatus.

Another object of the present invention is to provide a printing method and apparatus which can form the thickness of the ink layer to about 0.1 ~ 0.3㎛.

Yet another object of the present invention is to provide a freshness label that allows consumers to always eat fresh foodstuffs.

According to a first aspect for achieving the above object, the present invention provides an offset printed material in which a general printing layer such as a foodstuff description or a label and a constant printing layer of a specific shape are printed, and freshness with Zion ink on the constant printing layer. It consists of an automatic screen printing machine for printing a thermal printing layer for displaying a, a UV dryer for drying the thermal printing layer, and an optical sensor for controlling the position of the offset printed material so that the thermal printing layer is printed on the constant printing layer. It features.

In addition, in the second aspect for achieving the above object, the present invention is a shape that displays the freshness display with Zion Ink on the specific shape after printing the food description, trademark, etc. After the printing, the print layer is dried, and characterized in that the process consists of forming a cutting line along the edge formed on the printed layer.

1 is a view showing the overall configuration of a freshness display label printing apparatus according to an embodiment of the present invention.

FIG. 2A is an enlarged view of a portion “A” shown in FIG. 1. FIG.

FIG. 2B is an enlarged view of a portion “B” shown in FIG. 1.

FIG. 2C is an enlarged view of a portion “C” shown in FIG. 1. FIG.

3 is a view sequentially showing a process of printing a freshness display printed layer on a food label using the label printing apparatus shown in FIG.

4 is a view showing a detailed configuration of the automatic screen printing machine shown in FIG.

5 is a front view of the automatic screen printing machine shown in FIG. 4;

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

10: automatic screen printing machine 42: U.V dryer

44: optical sensor 46: half knife press

100: offset print 106: grimace print layer

108: smiley print layer

DETAILED DESCRIPTION A detailed description of preferred embodiments of the present invention will now be described with reference to the accompanying drawings. In describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

First, the concept of the freshness label printing apparatus and method to be proposed in the present invention, using the sheet printing method and the roll printing method while printing the UV constant offset printing at the same time, and then prints the constant frowning expression, the UV gun of the present invention The present invention proposes a device and method for printing a smiley face having a thickness of 0.1-0.3 μm with a Zion ink on the frowned face with a roll screen silk screen printing machine.

According to an exemplary embodiment of the present invention, the apparatus for manufacturing a freshness display label proposed above is as shown in FIGS. 1 to 3. Referring to the drawings, the device to be implemented in the present invention is an automatic screen printing machine 10 to form a smile expression printing layer 108 with Zion ink on the grimace expression printing layer 106 and the smiley expression printing layer 108 UV dryer 42 for drying (), an optical sensor 44 for controlling the position of the offset printed matter 100, a normal vane press 46, and a servomotor 48 for winding the offset printed matter 100. Detailed configurations and functions of these will be readily understood by the detailed description below.

The automatic screen printing machine 10 described above has four pillars 39 installed at each corner point as shown in FIGS. 4 and 5, and the pillars 39 form a pair on both sides of the guide rod 37. Is connected. Fixing brackets 38 are assembled to the guide rods 37, respectively, and two guide rails 26 are assembled to the fixing brackets 38. In addition, both ends of the screw cylinder 22 are assembled to an upper end surface of the fixing bracket 38, and a plate 20 having a rectangular shape is fixed to the rod 22a of the screw cylinder 22. At this time, the plate 20 is moved in the left / right direction (in Figure 5) in accordance with the operation of the screw cylinder (22).

The cylinders 16 and 18 are respectively installed at the front and rear of the above-described plate 20, and preferably the two cylinders 16 and 18 are installed at both the front and rear sides in pairs. The squeegee 12 is installed at one end of the piston rod 16a of the cylinder 16, the engaging rod 16b is installed at the other end, and the knife 14 is installed at one end of the cylinder 18. At the other end, the catching rods 18b are respectively installed. At this time, the engaging rod (16a.18b) is to prevent the squeegee 12 and the knife 14 to move further down when moving the cylinder (16,18). That is, when the locking rods 16a and 18b are moved downward to some extent, they hit the plate 20 and do not go down any further.

On the other hand, the squeegee 12 described above serves to transfer (print) the Zion ink 34 filled in the trial frame 32, which will be described later, to the offset printed matter 100, and the knife 14 is the trial frame. The Zion ink 34 contained in the 32 is formed in a uniform layer, and this operation will be easily understood by the printing method described below.

Here, the above-mentioned trial frame 32 is engraved with a specific shape, and preferably a smiley face is formed. Air cylinders 40 are respectively installed at both left and right ends of the trial frame 32 while maintaining a predetermined interval, and the air cylinder 40 serves to fix the trial frame 32.

Hereinafter, a method of printing a freshness display label according to an exemplary embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3.

First, a general printing layer 104 is formed by printing a trademark or description of a foodstuff with invariant ink by using a sheet printing method and a printing method for a roll. 106) (hereinafter referred to as "offset printed matter 100").

Thereafter, the offset printed material 100 is driven to the servomotor 48 shown in FIG. 1, and then a specific shape formed on the trial frame 32 of the automatic screen printing machine 10 (hereinafter referred to as a "smiley expression"). ) Is fixed on the grimace look print layer 106 of the offset print (100).

Next, the optical sensor 44 shown in FIGS. 1 and 2 is fixed to a specific position of the offset printed material 100, preferably to a specific position (eye mark) 112 formed on the general printing layer 104, The half knife press mold 46 is fixed in accordance with the shape of the general printing layer 104 formed on the offset printed matter 100, and then driven.

Subsequently, when a time sensor (not shown) installed in the half knife press 46 transmits a signal to the START relay of the automatic screen printing machine 10, the squeegee 12 of the automatic screen printing machine 10 is the adsorber 36. Descend to the top of). That is, the cylinder 16 is driven by the relay signal, so that the squeegee 12 fixed to the piston rod 16a moves to the upper end surface of the adsorber 36 and is driven by the driving force of the screw cylinder 22. It moves to the proximity sensor 30. At the same time, the Zion ink 34 contained in the trial frame 32 is printed on the frown-looking print layer 106 of the offset print 100 to form a smiley look print layer 108.

Then, when the above-described proximity sensor 30 is detected, the squeegee 12 is raised and at the same time, the knife 14 is driven to the screen mesh (not shown) of the trial frame 32 by the driving force of the cylinder 18. Will descend. The knife 14 then supplies the Zion ink 34 to the proximity sensor 28 while moving to the left (in FIG. 4), that is, to the initial position, by the driving force of the screw cylinder 22 described above, and simultaneously The motor 48 will feed up to one pitch.

Next, the offset printed matter 100 on which the smiley face print layer 108 is formed is dried in the UV dryer 42 shown in FIG. 1, and then moved to the half knife press 46 and cut into a predetermined size, and then the servo motor ( 48). This completes the printing method of the freshness indication label of the present invention.

As described above, the present invention by printing the screen and the offset printing in parallel by printing the Zion ink on the screen on the invariant frown, so that the ink layer becomes a thickness of about 0.1 ~ 0.3㎛ when the temperature rises to a certain temperature There is a synergistic effect that a frown appears and the temperature drops below 15 ° C., thereby concealing the frown so that consumers can always eat fresh and high quality products.

Claims (6)

In the printing apparatus of the freshness indication label, An offset print on which a general printing layer such as a foodstuff description or a label, and a constant printing layer of a specific shape are printed; An automatic screen printing machine which prints the temperature printing layer displaying freshness on the constant printing layer with Zion ink; Printing apparatus of the freshness display label comprising a U.V dryer for drying the variable temperature printing layer. The apparatus of claim 1, further comprising an optical sensor for controlling a position of the offset printed material so that the temperature printed layer is printed on the constant printed layer. According to claim 1 or 2, wherein the automatic screen printing machine, A trial frame in which the Zion ink is engraved and engraved with a specific shape, An adsorber for closely contacting the offset printed material located at the bottom of the trial frame, A squeegee for pushing the Zion ink into a specific shape of the trial frame; Printing apparatus of the freshness display label characterized in that it comprises a proximity sensor for controlling the movement of the squeegee. In the printing method of the freshness indication label, Print a description or trademark of a foodstuff, print a shape of a specific shape, print a shape representing a freshness mark with Zion ink on the specific shape, dry the print layer, and then the edge on which the print layer is formed. The printing method of the freshness display label, characterized in that the process consisting of forming a cutting line along the. The method of printing a freshness display label according to claim 4, wherein the freshness display printing layer is concealed when it is below a predetermined temperature, and the printing layer of the specific shape is printed so as to appear when it is above a certain temperature. A freshness indication label printed by the method of claim 4 or 5.