JP2013180482A - Printing method of glass bottle, printing apparatus and glass bottle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable printing in a portion other than a cylindrical shape of a shoulder or a hem of a glass bottle, and to enable printing a wide range of a bottle outer surface.SOLUTION: A lot of dots run in parallel in an outer surface of a glass bottle are printed by arranging a lot of dot shape porous printing elements in parallel at an inner surface and pressing dot stamp heads whose shape formed by assembly of a lot of printing element surfaces corresponding to an outer surface shape of a glass bottle printing part to a printing part of the glass bottle.

Description

  The present invention relates to a method for printing on an outer surface of a glass bottle, a printing apparatus, and a glass bottle having an outer surface printed by the printing method or apparatus.

  The glass bottle may be colored on the outer surface in order to enhance aesthetics. Such coloring treatment is roughly classified into coating treatment and printing.

  As the coating treatment, there are a spray method as shown in Patent Document 1 below and a soaking method as shown in Patent Document 2 below.

  In the printing process, screen printing is generally used. Also, pad printing (or tampo printing) is suitable for printing on curved surfaces.

JP 2004-315285 A JP 2001-48592 A JP 2006-341063 A JP 2002-292823 A

The coating by the spray method has a problem that the coating liquid is scattered around and the coating liquid is wasted and the environment is polluted.
In the coating by the soaking method, since the coating solution adheres to the outer surface of the glass bottle thickly, defects such as dripping are likely to occur, and energy in the drying process is required.

Screen printing can be applied to a cylindrical glass bottle body, but cannot be applied to portions other than the cylindrical shape of the shoulder or skirt.
Pat printing can be applied to curved surfaces other than a cylindrical shape, but the printing range is extremely narrow, and printing cannot be performed over a wide range of the outer surface of the bottle (for example, the entire circumference of the shoulder or hem).

  It is an object of the present invention to enable printing on portions other than the cylindrical shape of the shoulder and skirt of a glass bottle and printing on a wide range of the bottle outer surface.

  The present invention provides a dot stamp head in which a large number of dot-shaped porous printed bodies are arranged in parallel on the inner surface, and the shape formed by the assembly of the large number of printed body surfaces corresponds to the outer surface shape of the glass bottle printing portion. A glass bottle printing method characterized by printing a large number of dots arranged in parallel on an outer surface of a glass bottle by pressing against a printing part of the glass bottle.

  In the present invention, by pressing a plurality of the dot stamp heads from the periphery of the glass bottle, a large number of dots arranged in parallel on the entire outer periphery of the glass bottle can be printed.

The present invention also includes a holding table for holding a glass bottle,
A dot stamp head in which a large number of dot-like porous printed bodies are arranged in parallel on the inner surface, and the shape formed by the assembly of the large number of printed body surfaces is adapted to the outer surface shape of the glass bottle printing portion;
A dot stamp head moving means for moving the dot stamp head in a direction approaching or separating from the outer periphery of the glass bottle;
A glass bottle printing apparatus, wherein the dot stamp head moving means presses the dot stamp head against the outer surface of the bottle to print a large number of dots arranged in parallel on the outer surface of the glass bottle.

In the present invention, a plurality of the dot stamp head and the dot stamp head moving means are provided so as to surround the glass bottle,
By the plurality of dot stamp head moving means, the plurality of dot stamp heads can be pressed against the outer surface of the bottle to print a large number of dots arranged in parallel on the entire outer surface of the glass bottle.

  In the present invention, it is possible to provide a mouth fixing means for fixing and releasing the mouth of the glass bottle. Thereby, the glass bottle does not shake during printing, and printing can be performed stably.

  Further, the present invention is a glass bottle characterized in that it has a shoulder portion that gradually increases in diameter downward from the mouth portion, and is printed with a large number of dots arranged in parallel over at least the entire circumference of the shoulder portion. It is.

  Since the shoulder portion of the glass bottle is a conspicuous portion along with the body portion, it is possible to enhance the beauty of the glass bottle by printing at least the entire circumference of the shoulder portion.

  According to the present invention, the glass bottle can be printed on a portion other than the cylindrical shape of the shoulder portion and the bottom portion of the glass bottle, and can be printed on a wide range of the outer surface of the bottle.

It is a cross-sectional explanatory drawing of the printing apparatus of embodiment. It is a longitudinal cross-sectional explanatory drawing of the printing apparatus of embodiment. It is a cross-sectional explanatory drawing of the printing apparatus of embodiment. It is a longitudinal cross-sectional explanatory drawing of the printing apparatus of embodiment. It is a front view of the glass bottle of an embodiment. It is explanatory drawing of embodiment printing apparatus set to the rotary machine. It is explanatory drawing of embodiment printing apparatus set to the rotary machine. It is sectional explanatory drawing of a dot stamp head.

  1 to 4 schematically show a printing method and apparatus according to an embodiment of the present invention. FIGS. 1 and 2 show a state in which the dot stamp head is separated from the outer surface of the glass bottle, and FIGS. Is pressed.

  The dot stamp head 1 is arranged side by side so that a large number of dot-like porous prints 10 are lined up vertically and horizontally on the inner surface. The shape formed by the assembly of the large number of printed body surfaces corresponds to the outer surface shape of the glass bottle printing portion.

  In this embodiment, the dot stamp head 1 has a form in which a circle is divided into three parts in plan view, and each of them is further divided into three parts: an upper stage, a middle stage, and a lower stage. That is, the upper dot stamp head 1a is used for printing on the shoulder portion of the glass bottle, the middle dot stamp head 1b is used for printing on the barrel portion of the glass bottle, and the lower dot stamp head 1c is used for printing on the skirt portion of the glass bottle. .

FIG. 8 is a cross-sectional view showing an example of the structure of the dot stamp head 1.
The main body of the dot stamp head is formed of a hard member such as metal or hard resin, and a large number of dot-like porous printed bodies 10 are fixed to the inner surface thereof by appropriate fixing means such as adhesion and fitting. An ink tank 11 is provided on the back surface of the printing body 10, and the ink tank 11 communicates with the ink injection port 13 through an ink flow path 12 provided in the dot stamp head body.

  The porous printed body 10 used in the present invention uses a thermoplastic resin or rubber as a raw material, and kneads this together with a filler, a bubble forming material, an additive, etc., and makes a continuous cell using a conventionally known technique. Created by processing the stamped surface by engraving, laser processing, press processing, etc. As the thermoplastic resin, polyethylene, polypropylene, polybutylene, polyurethane, polystyrene, polyvinyl chloride, polyethylene-based thermoplastic elastomer, other thermoplastic elastomers, and the like can be used. As the rubber, natural rubber, silicone rubber, fluorine rubber, or the like can be used.

  As the ink tank used in the present invention, an ink holding material impregnated with ink, a plastic film directly including ink, or the like can be used. As the ink holding material, the same porous thermoplastic resin, porous rubber, and other felts as those of the porous printed body can be used, and these are impregnated with ink to form an ink tank. As the thermoplastic resin, polyethylene, polypropylene, polybutylene, polyurethane, polystyrene, polyvinyl chloride, polyethylene-based thermoplastic elastomer, other thermoplastic elastomers, and the like can be used. As the rubber, natural rubber, silicone rubber, fluorine rubber, or the like can be used. Cotton, wool, chemical fiber, etc. can be used as the felt.

  The ink flow path 12 may be a simple cavity, but can be filled with an ink holding material similar to the ink holding material of the ink tank.

  The ink used in the present invention is not particularly limited, but a fast-drying organic ink is desirable.

A piston tip of an air cylinder 2 that is a moving means is connected to the outer surface of all the dot stamp heads 1. The dot stamp head 1 is moved by the air cylinder 2 in a direction approaching or separating from the outer periphery of the glass bottle.
1 and 2 show a state in which the dot stamp head 1 is separated from the outer surface of the glass bottle 5. When the air cylinder 2 operates from this state, the dot stamp head 1 moves in a direction approaching the glass bottle, and the dot stamp head 1 is pressed against the outer surface of the glass bottle 5 as shown in FIGS. When the printing body 10 is pressed against the outer surface of the glass bottle, a dot-like pattern is printed on the outer surface of the glass bottle.

  The moving means of the dot stamp head is not limited to the air cylinder, and various known means such as a hydraulic cylinder and a step motor can be employed.

FIG. 5 is a glass bottle 5 printed by the printing apparatus of the embodiment. The glass bottle 5 has a mouth 51, a shoulder 52 that gradually increases in diameter downward from the lower end of the mouth, a cylindrical vertical body 53, and a skirt 54 that gradually decreases in diameter from the lower end of the body. The dot 50 is printed over the entire circumference of the shoulder 52, the body 53, and the skirt 54.
As described above, according to the present invention, it is possible to print the entire circumference of the shoulder and skirt, which has been difficult in the past.

  The shape of the dot 50 is not limited to a circle, but may be a triangle, a quadrilateral, a polygon, an ellipse, a star, a flower, or the like. Dot printing can provide an Edo Komon-style aesthetic.

  The printing apparatus of the present invention can be mounted on a rotary machine 6 as shown in FIGS. The rotary machine 6 may be a known machine used for inspection of glass bottles. In this case, the rotary machine 6 has eight positions A to H, and each position includes a holding base 3 for holding the glass bottle, and a mouth fixing tool that is a mouth fixing means for fixing the mouth of the glass bottle. 30, a set of dot stamp heads 1 and a set of air cylinders 2 are provided.

  In FIG. 6, the glass bottle 5 is supplied from the entrance conveyor 60 to the A position of the rotary machine 6 and sequentially moves from the B → C → D → E → F → G → H position as the rotary machine 6 rotates in the direction of the arrow. I will do it.

  When the glass bottle 5 is supplied onto the holding table 3 in the A position, the mouth fixture 30 descends from above and is fitted and fixed to the mouth of the glass bottle. This state is (1) in FIG. Next, when the holding table 3 and the mouth fixture 30 are simultaneously raised, the glass bottle 5 is raised in a fixed state, and enters the set of dot stamp heads 1 mounted on the upper portion of the rotary machine 6. . This state is (2) in FIG. 7, and the stamp head 1 is separated from the outer surface of the glass bottle.

  When the glass bottle is moved to the B position by the rotation of the rotary machine, the air cylinder 2 is operated, the dot stamp head 1 is moved in a direction approaching the glass bottle, and the printing body 10 on the inner surface of the dot stamp head 1 is moved to the outer surface of the glass bottle. When pressed, a dot-shaped pattern is printed on the outer surface of the glass bottle. This state is (3) in FIG. Thereafter, this state continues until the glass bottle moves from the C → D → E → F position.

  When the glass bottle is moved to the G position by the rotation of the rotary machine, the air cylinder 2 is operated, and the dot stamp head 1 is moved away from the glass bottle, and the state shown in FIG. At this time, dot printing is completed on the glass bottle 5.

When the glass bottle is moved to the H position by the rotation of the rotary machine, the holding table 3 and the mouth fixture 30 are lowered at the same time, so that the glass bottle 5 is lowered in a fixed state, and the state shown in FIG. . Next, the mouth fixture 30 is lifted to release the glass bottle, and the glass bottle 5 on which printing has been completed is discharged from the rotary machine 6 by the outlet conveyor 61.
In this way, printing can be continuously performed on the glass bottle by the rotary machine.

DESCRIPTION OF SYMBOLS 1 Dot stamp head 10 Porous printing body 11 Ink tank 12 Ink flow path 13 Inlet 2 Air cylinder 3 Holding stand 30 Opening fixture 4 Rotary machine 40 Inlet conveyor 41 Outlet conveyor 5 Glass bottle 50 Dot 51 Opening 52 Shoulder 53 Body 54 Bottom 6 Rotary Machine 60 Inlet Conveyor 61 Outlet Conveyor

Claims (6)

Printing a glass bottle with a dot stamp head in which a large number of dot-like porous printed bodies are arranged in parallel on the inner surface, and the shape formed by the assembly of the numerous printed body surfaces corresponds to the outer surface shape of the glass bottle printing section A printing method for a glass bottle, characterized in that a large number of dots arranged in parallel on the outer surface of the glass bottle are printed by pressing the portion. The printing method according to claim 1, wherein a plurality of dots arranged in parallel on the outer periphery of the glass bottle are printed by pressing a plurality of the dot stamp heads from the periphery of the glass bottle. A holding base for holding the glass bottle;
A dot stamp head in which a large number of dot-like porous printed bodies are arranged in parallel on the inner surface, and the shape formed by the assembly of the large number of printed body surfaces is adapted to the outer surface shape of the glass bottle printing portion;
A dot stamp head moving means for moving the dot stamp head in a direction approaching or separating from the outer periphery of the glass bottle;
An apparatus for printing a glass bottle, wherein the dot stamp head moving means presses the dot stamp head against the outer surface of the bottle to print a large number of dots arranged in parallel on the outer surface of the glass bottle. There are a plurality of dot stamp heads and dot stamp head moving means so as to surround the glass bottle,
4. The glass bottle printing apparatus according to claim 3, wherein the plurality of dot stamp head moving means presses the plurality of dot stamp heads against the outer surface of the bottle to print a large number of dots arranged in parallel on the entire outer periphery of the glass bottle. The glass bottle printing apparatus according to claim 3 or 4, further comprising a mouth fixing means for fixing and releasing the mouth of the glass bottle. A glass bottle having a shoulder that gradually increases in diameter downward from the mouth, and on which a large number of dots arranged in parallel over at least the entire circumference of the shoulder are printed.

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