JP4477074B2 - Pad printing device - Google Patents

Description

  The present invention relates to a pad printing apparatus used in a pad printing machine, and more particularly to a pad printing apparatus in which print quality does not deteriorate even when operated for a long time.

Conventionally, there is a device described in Patent Document 1 as an apparatus for supplying pad printing ink. In this case, the apparatus forms an ink chamber for storing ink applied to the pad plate in a sealed state so that the pad plate can be taken in and out of the ink chamber. The printing apparatus is characterized in that a solvent container for storing a solvent that holds the ink chamber in a saturated state filled with volatile gas is installed.
With this printing apparatus, it is possible to suppress a change in ink viscosity with time during a printing operation and keep the viscosity constant, and it is possible to improve and stabilize the printing quality over time.
Japanese Patent Laid-Open No. 10-272759

However, in the above-described conventional example, since the ink chamber is wide and the entrance / exit of the ink chamber through which the pad plate can be taken in and out of the ink chamber is wide, when the conventional printing apparatus is operated for a long time, the ink chamber There is a problem that the ink adheres to the entrance / exit and the pad plate and is solidified to deteriorate the printing quality.
Therefore, the problem to be solved by the present invention is to solve the above-mentioned problems and to provide a pad printing apparatus that does not deteriorate the print quality even when operated for a long time.

In order to solve the above-mentioned problem, the invention according to claim 1 is characterized in that the first container containing the printing ink, the cover, the pad plate, and the cover is filled and becomes saturated or nearly saturated. A second container for containing a volatile solvent for printing ink (including a component that easily evaporates among the components of the solvent consisting of a plurality of components) and a frame, the first container and the The cover is supported by the frame, a recessed printed pattern forming portion is provided on the flat upper surface of the pad plate, a first opening is formed at the bottom of the first container, and a side wall portion of the first container is formed. The lower end portion becomes an edge of the first opening, and the pad plate is slidable with respect to the lower end portion of the side wall portion of the first container in a state where the first container is placed, and the printing pattern of the pad plate The formation part is formed by sliding the pad plate. It is possible to move from the lower side of the first opening of the first container to the transfer position outside the cover . Further, the lower end portion of the side wall portion is formed so that the printing ink applied to a portion other than the printed pattern forming portion on the flat upper surface of the pad plate can be scraped by sliding the pad plate, The lower surface of the cover is an opening, an edge of the opening of the cover is disposed on the pad plate, and the first container and the second container are disposed in the cover. This is a pad printing device.

According to the invention of claim 1, the first container and the cover are supported by the frame. The first container has a first opening at the bottom, and a side wall that is an edge of the first opening.
The pad plate is slidable with respect to the lower end portion of the side wall portion of the first container with the first container placed thereon, and the lower end portion of the side wall portion is slid by the pad plate. The excess portion of the printing ink applied to the plate is scraped off.
For this reason, when the printed pattern forming portion of the pad plate is pulled out from under the first container, the printing ink remains in the printed pattern forming portion formed on the upper surface of the pad plate and the printed pattern is formed on the upper surface of the pad plate. The printing ink is not attached to the portion other than the portion.
Furthermore, the lower surface of the cover is an opening, and the edge of the opening of the cover is placed on the pad plate. The first container and the second container are disposed in the cover, the solvent in the second container is volatile, and the volatile gas of the solvent is in a space surrounded by the cover and the pad plate. Fills and becomes saturated or nearly saturated.
For this reason, even if the solvent is volatilized from the printing ink in the first container in the cover, the volatilized gas is filled in the first container and leaks outside the first container. Since the volatile gas of the solvent fills the space surrounded by the cover and the pad plate and is in a saturated state or a state close to the saturated state, the printing ink in the first container and the first container The solvent is prevented from volatilizing from the printing ink adhering to the lower end of the side wall, and the viscosity of the printing ink in the first container and the printing ink adhering to the lower end of the side wall of the first container is stabilized. Can be.

  Further, the invention according to claim 2 is the pad printing apparatus according to claim 1, wherein the printing ink solvent (including a component that easily evaporates among the components of the solvent consisting of a plurality of components). The third container is disposed on the upper side of the printing ink in the first container, the solvent is volatile, and the gas in which the solvent is volatilized is the first container. The pad printing apparatus is characterized in that one container is filled and saturated.

  According to a second aspect of the present invention, a third container for containing the solvent for the printing ink is provided, the third container is disposed on the upper side of the printing ink placed in the first container, and the solvent is volatilized. Since the gas in which the solvent is volatilized fills the first container and becomes saturated, the solvent from the printing ink is further prevented from volatilizing, and the viscosity of the printing ink is further stabilized. Can be.

  Further, the invention according to claim 3 is the pad printing apparatus according to claim 2, wherein the first container is divided into a lower part and an upper part, and the lower part and the upper part are separable. This is a pad printing apparatus.

  According to a third aspect of the present invention, the first container is divided into a lower part and an upper part, and the lower part and the upper part are separable, so that the lower part and the upper part are separated. In the state, it becomes easy to install the third container in the first container.

  Furthermore, the invention according to claim 4 is the pad printing apparatus according to claim 3, wherein a support portion for supporting the third container is formed inside the upper portion, and the support portion is formed from a plurality of portions. The pad printing apparatus is characterized in that the gas in which the solvent in the third container is volatilized enters the lower portion through the plurality of portions of the support portion.

  According to a fourth aspect of the present invention, a support portion for supporting the third container is formed inside the upper portion, and the support portion is composed of a plurality of portions, and passes between the plurality of support portions. Since the gas in which the solvent in the container has volatilized enters the lower part and covers the surface of the printing ink, the volatilization of the solvent in the printing ink in the first container can be reliably suppressed, The viscosity of the ink can be reliably stabilized.

  Further, the invention according to claim 5 is the pad printing apparatus according to claim 3 or 4, wherein the upper surface of the upper portion is a second opening, and a lid for closing the second opening is provided. This is a pad printing apparatus.

  According to the fifth aspect of the present invention, it is easy to put the third container inside the first container by opening the lid of the second opening on the upper surface of the upper part of the first container.

  The invention according to claim 6 is the pad printing apparatus according to any one of claims 1 to 5, wherein the pad plate includes a ferromagnetic material (for example, iron, stainless steel), and the first container. The pad printing apparatus is characterized in that a magnet is disposed therein, and the magnet attracts the pad plate with a magnetic force.

  According to the sixth aspect of the present invention, since the pad printing plate contains a ferromagnetic material, the magnet disposed in the first container attracts the pad plate with a magnetic force, so that the first container is attracted to the pad plate. become.

According to the invention of claim 1, by stabilizing the viscosity of the pad printing ink, it is possible to keep the ink viscosity constant by suppressing the change in the viscosity of the ink with time during the pad printing operation, and to improve the printing quality. Can keep. For this reason, it becomes possible to print without lowering the quality level of printing for a longer time than before.
Furthermore, according to the invention described in claim 2, together with the effect of the invention described in claim 1, the pad print quality can be kept more stable.
Furthermore, according to the invention described in claim 3, it becomes easy to configure the pad printing apparatus according to claim 2 together with the effect of the invention described in claim 2.

Furthermore, according to the invention described in claim 4, it becomes easier to maintain the pad print quality together with the effect of the invention described in claim 3.
Furthermore, the invention according to claim 5 can easily form the pad printing apparatus according to claim 3 or 4 together with the effect of the invention according to claim 3 or 4.
Furthermore, invention of Claim 6 can perform a pad printing operation | work smoothly with the effect of the invention of Claims 1-5.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 shows the appearance of the pad printing apparatus according to the embodiment of the present invention, FIG. 2 shows a plan view of the pad printing apparatus of FIG. 1 with the cover removed, and FIG. 3 shows the pad printing apparatus of FIG. FIG. 4 shows a side view of the pad printing apparatus shown in FIG. 1 with the cover removed. 5 shows a first container of the pad printing apparatus of FIG. 2 and an AA cross section inside thereof, FIG. 6 shows a BB cross section of FIG. 5, and FIG. 7 is an exploded view of FIG. 8 shows the side of the lower part of the first container of FIG. 5, FIG. 9 shows the cover of the pad printing apparatus of FIG. 1, FIG. 10 shows the inside of the first container of FIG. 1 shows the entire pad printing machine including the pad printing apparatus of FIG.

  The pad printing apparatus 10 shown in FIG. 1 is used for the pad printer 1 shown in FIG. As shown in FIG. 11, the pad printing machine 1 includes a pad printing device 10, a pad 62, a pad moving unit 63 that moves the pad 62, a control panel 64, a base 66 that supports the pad printing device 10, and a work support unit 70. ing. A work (printing object) 71 is set on the work support unit 70. The control panel 64 is a sequencer that controls the entire operation of the pad printing machine 1. Specifically, the control panel 64 performs pad printing by controlling the pad moving unit 63 and an air cylinder 67 (see FIG. 3) described later.

  As shown in FIG. 1, the pad printing container 10 includes a first container 20 for storing printing ink 61 (see FIG. 5), a cover 40, a pad plate 60, and a second container for storing a solvent for the printing ink 61. A container 30 and a frame 65 are provided. Reference numeral 61a denotes a liquid surface of the printing ink 61 (see FIG. 5). The pad plate 60 has a flat plate shape, and its upper surface 60a is rectangular. The pad plate 60 is, for example, a ferromagnetic flat plate, a plate made of a resin containing a ferromagnetic material, or a lower surface of a resin flat plate lined with a ferromagnetic flat plate.

The first container 20 and the cover 40 are supported by a frame 65. Specifically, two recesses 23b (see FIG. 8) at the lower part of the outer surface of the side wall 23 of the first container 20 in FIG. 5 are screwed into the frame 65 in FIG. (See FIGS. 2 and 4).
As shown in FIG. 9, the lower surface of the cover 40 is an opening 41, and the edge 42 of the opening 41 of the cover 40 is disposed on the pad plate 60 and supported by the frame 65 as shown in FIG. 1. Specifically, as shown in FIG. 9, the cover 40 has recesses 42a and 42c at the edge 42, the recess 42a is formed with a semicircular cutout 42b, and the recess 42c is formed with a semicircular cutout 42d. ing. The notch 42b is supported by a first pin 68a screwed into a hole in the side wall 65a of the frame 65 in FIG. Further, the notch 42d is supported by a second pin 68b screwed into a hole in the side wall portion 65b of the frame 65 in FIG.

As shown in FIG. 1, a depression-like print pattern forming portion 60 b showing characters, symbols, patterns, and the like is provided on the flat upper surface 60 a of the pad plate 60. Note that the characters, symbols, patterns, and the like of the print pattern forming unit 60b are not illustrated.
As shown in FIG. 5, the first opening 22 is formed at the bottom of the first container 20, and the lower end 23 a of the side wall 23 of the first container 20 becomes the edge 22 a of the first opening 22.
The pad plate 60 is slidable with respect to the lower end portion 23a of the side wall portion 23 of the first container 20 with the first container 20 placed thereon, and the print pattern forming portion 60b of the pad plate 60 of FIG. The transfer position 69 (see FIG. 3) outside the cover 40 from below the first opening 22 of the first container 20 (range surrounded by the lower end 23a of the side wall 23) (see FIG. 5). Can move up to.
As shown in FIG. 5, the lower end portion 23 a of the side wall portion 23 scrapes the printing ink 61 applied to portions other than the printing pattern forming portion 60 b of the flat upper surface 60 a of the pad plate 60 by sliding of the pad plate 60. It is formed to be able to. Specifically, the lower end portion 23 a of the side wall portion 23 is a blade-like tip portion, and is formed so that the printing ink 61 attached to the upper surface 60 a of the pad plate 60 can be easily scraped off.

  As shown in FIG. 1, the first container 20 and the second container 30 are disposed in the cover 40. In FIG. 2, the second container 30 is divided into three containers 30a, 30b, and 30c. Specifically, horizontal bars 65c and 65d are passed between the side wall portions 65a and 65b on both sides of the frame 65, and the horizontal bars 65c and 65d support the bottom of the container 30a of the second container 30 from below. Further, the horizontal bars 65c and 65d support the concave portions 42a and 42c (see FIG. 9) of the edge 42 of the cover 40. Similarly, horizontal bars 65e and 65f (see FIG. 3) attached to the side wall 65a of the frame 65 support the bottom of the container 30b of the second container 30 from below. Further, the container 30c of the second container 30 is also supported by a horizontal bar (not shown) (corresponding to the horizontal bars 65e and 65f) similarly to the container 30b.

  Each of the containers 30a, 30b, and 30c is provided with members 31a, 31b, and 31c that can soak the solvent. The members 31a, 31b, and 31c are, for example, cloth, sponge, or the like. Further, a member 31a capable of immersing the solvent is hung on the support rods 30e, 30f, and 30g that are passed through the upper surface opening of the container 30a.

  In the second container 30, a solvent for the printing ink 61 (see FIG. 5) (including a component that easily evaporates among the components of the solvent composed of a plurality of components) is placed. The solvent in the second container 30 is volatile, and the gas in which the solvent is volatilized fills the space surrounded by the cover 40 and the pad plate 60 and becomes saturated or nearly saturated. Specifically, the recesses 42a and 42c and the notches 42b and 42d are formed in the edge 42 of the cover 40 as shown in FIG. 9 and the lower surface is the opening 41, so that the cover 40 and the pad plate 60 are shown in FIG. A space surrounded by is formed. Since there is a slight gap between the cover 40 and the pad plate 60 forming the enclosed space, the enclosed space does not become a completely sealed space. For this reason, the solvent volatilized gas put in the second container 30 fills the space surrounded by the cover 40 and the pad plate 60 and becomes saturated or nearly saturated.

Further, as shown in FIG. 5, a third container 50 for containing the solvent of the printing ink 61 (including a component that easily evaporates among the components of the solvent consisting of a plurality of components) is provided. The container 50 is disposed above the printing ink 61 placed in the first container 20, the solvent in the third container 50 is volatile, and the gas in which the solvent in the third container 50 is volatilized is The inside of the first container 20 is filled and saturated. A member 51 capable of immersing the solvent is disposed inside the third container 50. The member 51 is cloth, sponge, cotton or the like.
Furthermore, the 1st container 20 is divided into the lower part 21 and the upper part 26, and the lower part 21 and the upper part 26 are separable. A sealing material 26 a (for example, an O-ring) that closes the gap between the connecting portions between the lower portion 21 and the upper portion 26 is disposed in the groove of the upper portion 26 of the side wall portion 23.

Further, as shown in FIG. 6, a support portion 27 that supports the third container 50 is formed inside the upper portion 26, and the support portion 27 is composed of a plurality of (eight in FIG. 6) portions 27 a. The gas in which the solvent in the third container 50 is volatilized enters the lower portion 21 (see FIG. 5) through the space 27a. The support portion 27 is formed integrally with the upper portion 26 side portion of the side wall portion 23, the distal end portion of each portion 27a is disposed on an arc 27x, and a circular notch 27b is formed between the portions 27a. Has been.
As shown in FIG. 5, the upper surface of the upper portion 26 is a second opening 28, and a lid 29 that closes the second opening 28 is provided. A sealing material 29 a that closes the gap between the upper portion 26 and the lid 29 is disposed in the groove on the side surface of the lid 29. Further, the lid 29 is provided with a knob 29b.

Further, as shown in FIGS. 5 and 7, a magnet 24 is disposed in the lower portion 21.
Specifically, the magnet 24 has a ring shape, a collar 24c is fitted between the inner surface of the magnet 24 and the bolt 24d, and the magnet 24 is attached to the lower surface of the magnet mounting plate 24a by the bolt 24d. As shown in FIG. 10, three projecting portions 24 b at intervals of 120 degrees of the magnet mounting plate 24 a are supported by three magnet support portions 25. A magnet 24ba is attached to the tip of each overhang portion 24b.
Each magnet support part 25 is formed inside the side wall part 23 of the lower part 21 at intervals of 120 degrees. Each magnet support portion 25 is set to three different heights (height from the lower end portion 23a (see FIG. 5) of the side wall portion 23). For this reason, by selecting three types of heights, the height from the lower end 23a (see FIG. 5) of the side wall 23 at the attachment position of the magnet 24 is adjusted, and the first container 20 and the pad shown in FIG. The magnetic force attracted by the plate 60 can be adjusted to three types.
Specifically, as shown in FIG. 10, each magnet support portion 25 includes a flat portion 25a, a first recess portion 25b, and a second recess portion (not shown) (the height is lower than that of the first recess portion 25b). The magnet 25aa is embedded in the flat portion 25a, and the magnet 25ba is embedded in the first recess 25b. Further, a magnet (not shown) (corresponding to the magnet 25ba) is embedded in the second recess.
In FIG. 10, the overhanging portion 24b is installed in the second recess portion. Then, the magnet 24ba of each overhanging portion 24b and the magnet of the second indented portion are attracted to position the overhanging portion 24b.

As shown in FIG. 3, the print pattern forming portion 60 b of the pad plate 60 is pushed out from under the first container 20 by the piston 67 a of the air cylinder 67 controlled by the control panel 64 (see FIG. 11). The position indicated by the two-dot chain line moves to the position indicated by the solid line (see FIG. 3). Specifically, a locking member 67 b is attached to the tip of the piston 67 a, and a locked member 60 d is attached to the lower surface 60 c of the pad plate 60. Since the locking member 67b is locked to the locked member 60d, the pad plate 60 is pushed or pulled by the air cylinder 67.
Note that the edge 42 of the opening 41 of the cover 40 is on the pad plate 60 regardless of whether the pad plate 60 is in a position indicated by a solid line or a position indicated by a two-dot chain line.

The printing ink 61 is collected in the printing pattern forming portion 60 b on the upper surface 60 a of the pad plate 60 pushed out to the transfer position 69. The pad 62 is pressed onto the collected printing ink 61 by the pad moving unit 63 controlled by the control board 64, and the printing ink 61 collected in the print pattern forming unit 60b adheres to the pad 62, thereby printing. The characters, symbols, patterns, etc. of the pattern forming unit 60 b are transferred to the pad 62.
Further, as shown in FIG. 11, the pad 62 is controlled by the pad moving unit 63 to move in the direction of the arrow 62 a to print characters, patterns, and the like of the print pattern forming unit 60 b on the work 71 supported by the work support unit 70. . In this way, pad printing is performed. An air blow 72 is attached to the work support unit 70. The air blow 72 blows air onto the work 71 and the pad 62 to dry the work 71 and the pad 62.
Thereafter, the pad 62 is returned to the transfer position by the pad moving unit 63, and characters, symbols, patterns, and the like of the print pattern forming unit 60 b to which the printing ink 61 is attached are transferred to the pad 62 in the first container 20.

The main components of the printing ink 61 (see FIG. 5) are butyl glycol acetate, 4-hydroxy-4-methyl-2-pentanone, solvent naphtha, cyclohexanone, xylene, butyl glycolate, butyl acetate, benzyl alcohol, propylene glycol. Examples thereof include methyl ether acetate, aromatic mixed monohydrogen. Various printing inks 61 can be configured by combining some of the main components of the printing ink 61.
The main components of the solvent of the printing ink 61 are propylene glycol monomethyl ether acetate, cyclohexane, aromatic hydrocarbon, butyl acetate, xylene and the like. Various solvents for the printing ink 61 can be configured by combining some of the main components of the solvent.

The pad printing apparatus 10 having the above configuration operates as follows.
The first container 20 and the cover 40 are supported by the frame. The first container 20 has a first opening 22 formed at the bottom, and a side wall 23 serving as an edge 22 a of the first opening 22.
The pad plate 60 is slidable with respect to the lower end portion 23 a of the side wall portion 23 of the first container 20 in a state where the first container 20 is placed, and the lower end portion 23 a is slid by the pad plate 60. The excess portion of the printing ink 61 applied to the surface is scraped off. Therefore, when the printed pattern forming portion 60b of the pad plate 60 is pulled out from under the first container 20, the printing ink 61 remains on the printed pattern forming portion 60b formed on the upper surface 60a of the pad plate 60, and the pad The printing ink 61 does not adhere to portions other than the print pattern forming portion 60b on the upper surface 60a of the plate 60.

Further, the lower surface of the cover 40 is an opening 41, and the edge 42 of the opening 41 of the cover 40 is placed on the pad plate 60. Then, the first container 20 and the second container 30 are disposed in the cover 40, the solvent is volatile, and the volatile gas of the solvent in the second container 30 fills the cover 40 and is saturated or It becomes a state close to saturation.
For this reason, when the solvent is volatilized from the printing ink 61 in the first container 20 in the cover 40, the volatilized gas is filled in the first container 20, and even if it tries to leak to the outside of the first container 20, Since the volatile gas of the solvent in the second container 30 fills the cover 40 and is in a saturated state or a state close to the saturated state, the printing ink 61 in the first container 20 and the side wall of the first container 20 It suppresses that a solvent volatilizes from the printing ink 61 adhering to the lower end part 23a of the part 23, and the printing adhering to the lower end part 23a of the printing ink 61 in the 1st container 20 and the side wall part 23 of the 1st container 20 is carried out. The viscosity of the ink 61 for use can be stabilized.

  Furthermore, a third container 50 for containing the solvent for the printing ink 61 is provided. The third container 50 is disposed on the upper side of the printing ink 61 placed in the first container 20, and the solvent is volatile. Since the gas in which the solvent is volatilized fills the inside of the first container 20, it is possible to further suppress the volatilization of the solvent from the printing ink 61 and to further stabilize the viscosity of the printing ink 61.

  The side wall of the first container 20 is divided into a lower part 21 and an upper part 26, and the lower part 21 and the upper part 26 are separable, so that the third container 50 can be installed in the first container 20. It becomes easy.

  Further, a support portion 27 that supports the third container 50 is formed inside the upper portion 26, and the support portion 27 is composed of a plurality of portions 27a, and passes through the plurality of portions 27a to remove the solvent in the third container 50. Since the volatilized gas enters the lower portion 21, the volatilization of the solvent of the printing ink 61 in the first container 20 can be reliably suppressed, and the viscosity of the printing ink 61 can be reliably stabilized. it can.

  Furthermore, by opening the lid 29 of the second opening 28 on the upper surface of the upper portion 26 of the first container 20, the third container 50 can be easily placed inside the first container 20.

  Further, when the pad plate 60 includes a ferromagnetic material (for example, iron or stainless steel), the magnet 24 disposed in the lower portion 21 of the first container 20 attracts the pad plate 60 with a magnetic force. The lower portion 21 of the first container 20 is adsorbed to the pad plate 60.

In the above embodiment, the outer shape of the first container 20 is cylindrical, but is not limited thereto, and may be, for example, a prismatic shape.
Moreover, although the external shape of the cover 40 is a rectangular parallelepiped shape, it is not limited to this, For example, a dome shape etc. may be sufficient.
The second container 30 is divided into three containers 30a, 30b, and 30c. However, the present invention is not limited to this, and the second container 30 may be a single container or the number of the second containers 30 may be other than three. .
The space surrounded by the side walls 65 a and 65 b of both the cover 40, the pad plate 60 and the frame 65 (disposed so as to sandwich the cover 40) is surrounded by the cover 40 and the pad plate 60. Since the gap becomes smaller than the space, the volatile gas of the solvent in the second container is filled and saturated in the space surrounded by the side walls 65a and 65b of both the cover 40, the pad plate 60 and the frame 65. It becomes easier to become a state.
Further, even if the sizes of the recesses 42a and 42c and the notches 42b and 42d of the edge 42 of the cover 40 are reduced, the volatile gas of the solvent in the second container is contained in the space surrounded by the cover 40 and the pad plate 60. Is more likely to be saturated and saturated.

It is a perspective view which shows the external appearance of the apparatus for pad printing which concerns on embodiment of this invention. FIG. 2 is a plan view of the pad printing apparatus of FIG. 1 with a cover removed. It is a front view of the state which removed the cover of the apparatus for pad printing of FIG. It is a side view of the state which removed the cover of the apparatus for pad printing of FIG. FIG. 3 is a partial view showing a first container of the pad printing apparatus of FIG. 2 and an AA cross section inside thereof. It is BB sectional drawing of FIG. FIG. 6 is an exploded cross-sectional view of FIG. 5. FIG. 6 is a partial view showing a side surface of a lower portion of the first container in FIG. 5. FIG. 2 is a partial view showing a cover of the pad printing apparatus of FIG. 1. It is a fragmentary perspective view which shows the inside of the 1st container of FIG. It is a perspective view which shows the whole pad printing machine containing the apparatus for pad printing of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pad printer 10 Pad printing apparatus 20 1st container 21 Lower part 22 1st opening part 23 Side wall part 23a Lower end part 24 Magnet 26 Upper part 27 Support part 27a Part 28 2nd opening part 29 Cover 30 2nd container 40 Cover 50 Third container 60 Pad plate 60a Upper surface 60b Print pattern forming part 61 Printing ink 62 Pad 65 Frame 69 Transfer position 70 Work support part 71 Work

Claims (6)

A first container for storing printing ink; a cover; a pad plate; a second container for storing a volatile solvent for the printing ink that fills the cover and becomes saturated or close to saturation; and a frame And comprising
The first container and the cover are supported by the frame;
A concave printed pattern forming portion is provided on the flat upper surface of the pad plate,
A first opening is formed at a bottom of the first container, and a lower end of the side wall of the first container is an edge of the first opening;
The pad plate is slidable with respect to the lower end portion of the side wall portion of the first container with the first container placed thereon,
The printing pattern forming part of the pad plate is movable from the lower side of the first opening of the first container to the transfer position outside the cover by sliding the pad plate,
The lower end portion of the side wall portion is formed so that the printing ink applied to a portion other than the printed pattern forming portion on the flat upper surface of the pad plate can be scraped by sliding of the pad plate,
The lower surface of the cover is an opening, an edge of the opening of the cover is disposed on the pad plate, and the first container and the second container are disposed in the cover. Pad printing device. The pad printing apparatus according to claim 1,
A third container for containing the printing ink solvent;
The third container is disposed above the printing ink in the first container;
The pad printing apparatus, wherein the solvent is volatile, and a gas in which the solvent is volatilized fills the first container and becomes saturated. The pad printing apparatus according to claim 2,
The first container is divided into a lower part and an upper part;
The apparatus for pad printing, wherein the lower part and the upper part are separable. The pad printing apparatus according to claim 3,
A support portion for supporting the third container is formed inside the upper portion,
The pad printing apparatus is characterized in that the support part is composed of a plurality of parts, and the gas in which the solvent in the third container is volatilized enters the lower part through the plurality of parts of the support part. . The pad printing apparatus according to claim 3 or 4,
The upper surface of the upper part is a second opening, and a pad for closing the second opening is provided. The pad printing apparatus according to any one of claims 1 to 5,
The pad plate includes a ferromagnetic material;
A magnet is disposed in the first container;
A pad printing apparatus, wherein the magnet attracts the pad plate with a magnetic force.

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