JP2585499Y2 - Ink bottle mounting device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for mounting an ink bottle in a printing apparatus for printing by mounting an ink bottle on a printing drum.

[0002]

2. Description of the Related Art In a printing apparatus in which a printing drum is built in and an ink bottle is mounted in the printing drum, a method of fixing the ink bottle to the printing drum has conventionally been, as shown in FIG. The base 103a of the ink bottle 103 is fitted to the suction port 105 of the ink pump 104 provided in the ink pump 104, and as shown in FIG. The sponge 106 protruding from the inner surface of the door 101 of the apparatus main body 100 is brought into contact with the rear portion of the ink bottle 103 as shown in FIG. The ink bottle 103 was fixed by the urging force.

[0003]

However, in the above-described conventional method for fixing an ink bottle, the ink bottle 1
03, the shape of the sponge 106 that presses the rear part of the sponge 106 (set), and the door 10 provided with the sponge 106
There is a problem that the pressing force against the ink pump 103 becomes unstable due to the warpage of 1 or the like. Further, when the fixing of the ink bottle 103 becomes unstable, when the printing apparatus is operated, that is, at the time of printing, the apparatus main body 100,
Alternatively, there is a problem that the ink bottle 103 is detached from the suction port 105 of the ink pump 104 due to the vibration generated from the printing drum 102, and there is a problem that the ink supply becomes impossible.

In order to solve the above-mentioned problems, the present invention provides an ink bottle which can securely fix an ink bottle mounted on a printing drum and can be easily attached and detached. It is intended to provide a mounting device.

[0005]

Next, means for achieving the above object will be described with reference to FIGS. 1 to 7 corresponding to the embodiment. The ink bottle mounting device of the present invention is a device including an ink bottle 3 and an ink bottle storage section 6 provided on the printing drum 2 as a mechanism 1 for preventing the ink bottle from coming off. A fixing lever 8 is provided at a position outside of the bottle storage section 6, and the fixing lever 8 is swingably supported in a direction approaching or separating from the ink bottle storage section 6, and is provided with the ink bottle storage section. The fixed lever 8 is urged in a direction approaching the portion 6.
When the fixing lever 8 swings to a position approaching the ink bottle housing 6, the claw projecting in the radial direction of the ink bottle housing 6 when viewed from the ink bottle housing direction of the ink bottle housing 6. It is characterized in that the part 10 is formed.

[0006]

When the ink bottle 3 is stored in the ink bottle storage section 6 of the printing drum 2, the fixing lever 8 swings to a position close to the ink bottle storage section 6, and the claw section 10 is moved to the ink bottle storage section 6. And the bottom of the ink bottle 3 is locked, and the ink bottle 3 is fixed to the printing drum 2. When the fixing lever 8 is swung to a position away from the ink bottle storage section 6 and the ink bottle 3 is pulled out of the ink bottle storage section 6 in this state, the ink bottle 3 is easily taken out of the printing drum 2.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An ink bottle pull-out prevention mechanism 1 as an ink bottle mounting device of the present invention is provided in a printing device such as a stencil printing device having a built-in printing drum 2, and the printing drum 2 is filled with ink. The ink bottle 3 is mounted and fixed. As shown in FIG. 6, an ink pump 4 is built in the printing drum 2 so that ink is supplied into the printing drum 2. A suction port 5 of the ink pump 4 has a base 3 a of the ink bottle 3. Is attached. The ink bottle 3 is formed in a substantially cylindrical shape as shown in FIG.

[0010] As shown in FIG. 1, the printing drum 2 has an ink bottle housing 6 with a slightly upper side opening. The ink pump 4 is disposed behind the ink bottle housing 6. Although not shown, a bottle guide having a concave groove shape is formed horizontally on the inner wall surface of the ink bottle storage section 6.

Next, a frame 7 is provided horizontally on the side surface 2a of the printing drum 2, which is the opening of the ink bottle storage section 6. This frame 7 has a halfway upper surface,
It is notched in a concave shape so as not to interfere with the opening of the ink bottle storage section 6.

Next, a part of the frame 7, in this embodiment, the ink bottle storage 6 located on the left side of the frame 7.
A fixing lever 8 which constitutes the mechanism 1 for preventing the ink bottle from coming off is provided at the periphery of the opening.

As shown in FIGS. 1 and 2, the fixed lever 8 has a base end 8a pivotally attached to the upper surface of the frame 7 and is provided so as to be swingable in a substantially horizontal direction. A distal end 8b of the fixed lever 8 is provided with a block-shaped operation portion 9 having a concave portion 9a formed on an upper surface. The operation portion 9 has an operation piece 9b extending vertically in one edge of the upper surface, and a claw 10 as a fixing means at a front end edge.
Are formed to protrude. The claw portion 10 is fixed to the fixed lever 8
The protrusions are formed on the side of the ink bottle storage section 6 in a direction coinciding with the swing direction of the claw section 10 as shown in FIG.
Has a guide surface 10a formed by diagonally notching the upper part.

Further, a base end 8a of the fixed lever 8 has
A torsion spring 12 is mounted so as to be wound around the pivot 11. The torsion spring 12 has one end 12a fixed to the frame 7 side and the other end 12b fixed to the fixed lever 8, and the tip 8b of the fixed lever 8, that is, the operation unit 9 is always in the center direction of the opening of the ink bottle storage unit 6. The elastic force is set so as to urge it. A stopper 13 is provided on the frame 7 so that the swing angle of the fixing lever 8 is regulated. When the ink bottle 3 is not attached to the ink bottle storage section 6, the frame 7 is perpendicular to the frame 7. Stop in the direction you want to.

Next, a method of attaching and detaching the ink bottle 3 to and from the printing drum 2 by the mechanism 1 for preventing the ink bottle from coming off will be described. First, a method of mounting the ink bottle 3 on the printing drum 2 will be described.

As shown in FIGS. 3 and 4, the insertion of the ink bottle 3 is started so that the base 3a is first lowered to the opening of the ink bottle housing 6 from above. Then
As shown in FIG. 5, a guide surface 10a formed on the claw portion 10 of the fixed lever 8 causes the fixed lever 8 to swing outward as the ink bottle 3 descends. Then, after the lower surface of the ink bottle 3 comes into contact with the ink bottle storage section 6, the ink bottle 3 is inserted horizontally into the ink bottle storage section 6 along the bottle guide.

The ink bottle 3 is completely inserted into the ink bottle storage section 6, and the ink bottle 3 is
When the base 3a is engaged with the ink pump 4, the fixing lever 8 swings toward the center of the opening edge of the ink bottle housing 6, that is, toward the ink bottle 3 by the torsion spring 12, as shown in FIG. 10 engages the bottom 3b of the ink bottle 3. As a result, the ink bottle 3 is mounted on the printing drum 2 and fixed to the printing drum 2 by the claws 10.

Next, a method for removing the ink bottle 3 from the printing drum 2 will be described. As shown in FIG. 7, a finger F is hung on the operation piece 9 b of the operation section 9 of the fixed lever 8, and the fixed lever 8 is swung outward against the urging force of the torsion spring 12, and Bottom 3b and claw 10
Disengage with. Then, the ink bottle 3 is extracted from the ink bottle storage section 6.

Therefore, in the ink bottle detaching prevention mechanism 1 configured as described above, the fixed lever 8 having the claw portion 10 formed on the periphery of the opening of the ink bottle storage portion 6 provided on the printing drum 2 can be swung freely. , The ink bottle 3 mounted on the printing drum 2 (ink bottle storage 6) can be securely fixed in the mounted state, and the engagement between the ink bottle 3 and the claw 10 If you solve
The ink bottle 3 can be easily removed from the printing drum 2.

In the above-described embodiment, the example is described in which the fixing lever 8 having the claw portion 10 as the fixing means is provided on the left side of the frame 7 of the printing drum 2. However, the present invention is not limited to this position. However, it may be provided, for example, on the right side or on the frame 7 below the opening of the storage section. Thus, for example, when a claw portion is provided below the periphery of the opening, when the ink bottle 3 is mounted, if the claw portion is lowered from above the side portion of the printing drum 2, the claw portion swings outward (retreats) outward, and When the bottle is mounted, the ink bottle 3 can be inserted into the storage portion without operating the claw portion, and the mounting procedure is facilitated.

Further, in the above-described embodiment, the example in which the torsion spring 12 is used as the structure for applying the urging force to the claw portion 10 has been described. With the claw portion, the same effect as described above can be obtained.

[0020]

As described above, according to the ink bottle mounting apparatus according to the present invention, when the ink bottle is stored in the ink bottle storage section of the printing drum, the ink bottle is positioned outside the ink bottle storage section. A fixed lever swings to a position close to the ink bottle storage section, and its claw comes out in the radial direction of the ink bottle storage section to lock the bottom of the ink bottle. It has an excellent practical effect that it can be easily fixed to and released from the storage portion, and it is not necessary to use an ink bottle formed in a specific shape.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a printing drum having an ink bottle mounting device according to the present invention.

FIG. 2 is an exploded perspective view of the ink bottle mounting device according to the embodiment.

FIG. 3 is an explanatory diagram of a method of mounting an ink bottle according to the embodiment.

FIG. 4 is an explanatory view of the same.

FIG. 5 is an explanatory view of the same.

FIG. 6 is a partial cross-sectional plan view showing a mounted state of the ink bottle according to the embodiment.

FIG. 7 is an explanatory diagram of a method of removing an ink bottle according to the embodiment.

FIG. 8 is a partially cut plan view showing a method of mounting an ink bottle according to the prior art.

9 is an enlarged sectional view of a main part in FIG. 8;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Prevention mechanism, 2 ... Printing drum, 3 ... Ink bottle, 6 ... Ink bottle storage part, 8 ... Fixed lever, 10 ...
Claw part.

Claims (1)

(57) [Scope of request for utility model registration] An ink bottle and a printing drum are provided.
Ink bottle mounting device equipped with an ink bottle storage section
In location, position outward from said ink bottle accommodating portion of the printing drum
The fixed lever is provided in the
Can swing in the direction of approaching or leaving the ink bottle storage section
And close to the ink bottle storage section
The fixed lever is urged in the direction of
When swinging to the position approaching the ink bottle storage section,
When viewed from the ink bottle storage direction of the ink bottle storage section,
The claw part protruding in the radial direction of the ink bottle storage part is shaped.
Ink bottle mounting equipment characterized by being formed
Place.