JP2960912B2 - Ink container storage 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 storing and connecting an ink container, and more particularly, to a stencil printing machine or the like which can easily and surely set an ink container in a container storing portion of the device main body. The present invention relates to an ink container storage device in a printing device.

[0002]

2. Description of the Related Art Conventionally, in a storage device for an ink container for a printing press in which a connection port of an ink container housed in a cradle of an apparatus main body is brought into close contact with a suction port of an ink pump, the cradle is provided on the side of the apparatus main body. Attached so that the connection port of the ink container is connected to and separated from the suction port of the ink pump in accordance with the rotation of the support table. A technique relating to an ink container storage device in which a sliding guide body for sliding is provided on the apparatus main body side has already been proposed (for example, see Japanese Utility Model Publication No. 3-27804).

[0003]

However, in the above-mentioned ink container storage device, the receiving stand of the device main body is rotated, and the cover is opened and closed in order to attach and detach the rectangular parallelepiped ink container which is long in the axial direction of the receiving stand. And this requires a relatively large space. For example, in a case where an inexpensive and small stencil printing apparatus is provided as a dedicated A4 size machine, depending on the installation state of the apparatus, the operability is remarkably deteriorated due to the cover portion facing the indoor wall side, or Due to restrictions on the layout of the stencil printing apparatus, the apparatus may not be realized unless the linear slide method is adopted.

In the above ink container storage device, the connection port of the ink container is connected to the suction port of the ink pump by rotating the support of the device main body. It is necessary to provide a holding mechanism in order to hold the sheet.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a novel ink container storage device that can easily and reliably set an ink container in a printing device such as a stencil printing device. And

[0006]

According to a first aspect of the present invention, there is provided an ink container accommodating apparatus in which a connection port of an ink container is freely connected to and detached from a suction port of an ink pump. An ink container holder for holding the ink container movable between a connection position where the connection port is connected to the suction port and a separation position where the connection port is separated from the suction port; and the ink container storage table. A movable member that moves the ink container between the connection position and the separation position, a base member that movably supports the movable member, a lock portion that holds the ink container at the connection position, and A lock member having a release portion for releasing the locked state of the ink container held at the connection position by the lock portion. When the ink container occupies the connection position when the ink container occupies the connection position, it has a locked portion that engages with the lock portion when occupying the position. It is characterized by comprising a biasing means.

According to a second aspect of the present invention, in the ink container storage device in which the connection port of the ink container can be freely connected to and detached from the suction port of the ink pump, the connection position where the connection port is connected to the suction port and the suction port. An ink container housing that holds the ink container movable between a mouth and a separated position where the connection port is separated from the mouth, and the ink container housing is connected to the ink container housing;
A movable member that moves the ink container between the connection position and the separation position, a base member that movably supports the movable member, a lock unit that holds the ink container at the connection position, A lock having a sliding contact engaging portion that slides when moving from the separated position to the direction occupying the connection position, and a release portion that releases a lock holding state of the ink container held at the connection position by the lock portion. The movable member has a locked portion that engages with the lock portion when the ink container occupies the connection position, and locks when the ink container occupies the connection position. When the ink container is moved from the separated position to the direction occupying the connection position. And the portion to be locked with the sliding engagement portion, characterized in that the sliding contact.

According to a third aspect of the present invention, there is provided an ink container storage table movable between a connection position approaching a suction port of an ink pump and a separated position separated from the connection position, and connected to the ink container storage table. A movable member for moving the ink container housing to the connection position and the separation position; a base member for movably supporting the movable member; and a lock unit for holding the ink container housing at the connection position. And a lock member having a release portion for releasing a lock holding state of the ink container storage table held at the connection position by the lock portion, wherein the movable member is connected to the ink container storage table by the connection. A lock portion that engages with the lock portion when occupying the position, and engages the lock portion and the lock portion when the ink container storage occupies the connection position; Characterized by comprising biasing means for biasing the cell orientation.

According to the fourth aspect of the present invention, the ink container storage table is movable between a connection position approaching the suction port of the ink pump and a separation position separated from the connection position, and is connected to the ink container storage table. A movable member for moving the ink container housing to the connection position and the separation position; a base member for movably supporting the movable member; and a lock unit for holding the ink container housing at the connection position. A sliding contact engaging portion that slides when the ink container housing moves from the separated position to the direction occupying the connection position; and a lock of the ink container housing held at the connection position by the lock portion. A lock member having a release portion for releasing the holding state, wherein the movable member is engaged with the lock portion when the ink container storage occupies the connection position. When the ink container housing occupies the connection position, the ink container housing includes a biasing unit that urges the lock portion and the locked portion in a direction in which the locked portion is engaged. When moving from the separation position to the direction occupying the connection position, the locked portion and the sliding contact engagement portion are in sliding contact with each other.

[0010]

According to the first aspect of the present invention, when the ink container is mounted, the movable member moves to move the ink container in the direction occupying the connection position via the ink container storage base, thereby providing the locking portion. And the locked portion are engaged,
The ink container is locked and held at the connection position via the ink container storage table by the urging force of the urging means. When the ink container is detached, the engagement between the lock portion and the locked portion is released by the release operation of the release portion against the urging force of the urging means, and the ink container is moved via the ink container storage base. Are moved in the direction occupying the separated position.

According to the second aspect of the present invention, when the ink container is mounted, the movable portion moves to move the ink container in the direction occupying the connection position via the ink container storage base, so that the locking portion is provided. And the locked portion are engaged, and the ink container is locked and held at the connection position by the urging force of the urging means via the ink container housing. When the ink container is detached, the engagement between the lock portion and the locked portion is released by the release operation of the release portion against the urging force of the urging means. Further, when the ink container is moved from the separation position to the direction occupying the connection position via the ink container storage table, the locked portion and the sliding contact engagement portion are slid in contact with each other, and the ink is transferred through the ink container storage table. The container is moved in a direction occupying the connection position.

According to the third aspect of the present invention, when the ink container housing is moved to the connection position, the movable member moves the ink container housing in the direction occupying the connection position. And the locked portion are engaged, and the ink container housing is locked and held at the connection position by the urging force of the urging means. Further, when the ink container storage table is moved to the separated position, the engagement between the lock section and the locked section is released by the release operation of the release section against the urging force of the urging means, and the ink container storage table is disengaged. Are moved in the direction occupying the separated position.

According to the fourth aspect of the present invention, when the ink container housing is moved to the connection position, the movable member moves to move the ink container housing in the direction occupying the connection position. And the locked portion are engaged, and the ink container housing is locked and held at the connection position by the urging force of the urging means. Further, when the ink container housing is moved to the separated position, the engagement between the lock portion and the locked portion is released by the release operation of the release portion against the urging force of the urging means. Further, when the ink container storage base moves from the separated position to the direction occupying the connection position, the locked part and the sliding contact engagement part are in sliding contact with each other, and the ink container storage base is moved in the direction occupying the connection position. .

[0014]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a partial cross-sectional front view of the periphery of an ink container storage device according to an embodiment of the present invention. First, the configuration of the main part will be described. 1 and 2
In the figure, reference numeral 1 denotes a stencil printing device 35 (not shown).
7 shows an ink pump provided on the apparatus body side (shown in FIG. 6). A suction port 2 of the ink pump 1 is formed in the ink pump 1, and a connection port portion 10, which is also a base of an ink container 11 for a printing press, is freely connected to and separated from the suction port 2.

The ink container accommodating apparatus shown in FIGS. 1 and 2 includes an ink container accommodating table 20, a guide base member 3, a movable member 15, a lock member 4, an ink container accommodating table pressurizing spring 30, and a lock member control. A pressure spring 40 is provided.

The ink container storage table 20 is provided for the ink container 11.
It has a function and a structure for removably storing. The ink pump 1 on the right side in the drawing is
A U-shaped notch 13 for positioning the connection port portion 10 is formed in the suction port 2 of FIG.

The ink container 11 includes an ink container storage 20.
A connection position where the connection port 10 is closely connected to the suction port 2, a connection intermediate position where the connection port 10 is not close to the suction port 2, and an ink container 11. It is movable between a connection position further away from the connection intermediate position toward a position for attaching and detaching the connection. The ink container 11 includes an outer box formed of a cardboard body that is attached to and detached from the ink container storage table 20, an ink bag (not shown) formed of a bag-shaped plastic sheet housed in the outer box, and filled with ink. A connection port 10 is provided on one side wall of the box so as to protrude outwardly thereof, communicates with the inside of the ink bag, and can be freely connected to and separated from the suction port 2 of the ink pump 1 on the apparatus body side. And the connection port 10
The flange 12 is formed on the peripheral surface of the ink container housing 20 so as to engage with the notch 13 of the ink container housing 20. In addition, a screw 50 for attaching a screw cap is cut on the peripheral surface of the connection port 10.

As shown in FIGS. 1 and 2, the guide base member 3 is provided on the main body side of the stencil printing apparatus 35.
3 together with a screw s. As best shown in FIG. 2, the guide base member 3 and the base 33
Are made of sheet metal, and each side has
, Long slots 31 are respectively formed in the left-right direction.

The guide base member 3 is bent in a crank shape, and a lock member 4 is attached to a portion of the guide base member 3 on the left side in FIG.
The lock member 4 is made of sheet metal and is swingably attached to a bracket 32 fixed to the guide base member 3 via a swing shaft 34. The lock member 4 has a notch lock portion 5 for holding the ink container 11 at the connection position via the ink container storage base 20;
A slide formed with an arc-shaped inclined surface, which comes into sliding contact with the ink container 11 via the ink container storage table 20 when the ink container 11 moves from the connection intermediate position to the separated position and from the separated position to the connection intermediate position. The contact engagement portion 6 and the release portion 7 for releasing the locked state of the ink container 11 held at the connection position by the lock portion 5 via the ink container storage table 20 are integrally formed. .

The movable member 15 is formed of a sheet metal and is formed in a channel shape, and on the left and right outer surfaces, formed are projection pins 16 which are formed to protrude in a pin shape. The movable member 15 is clamped in a state where the opening of the channel is directed downward, and in a state where the respective projecting pins 16 are inserted into the respective elongated holes 31 of the guide base member 3 and the base 33,
It is slidable. When the ink container 11 occupies the connection position via the ink container housing 20, the movable member 15 has a lock claw 14 as a locked portion that engages with the lock portion 5 hangs down and is fixed. The movable member 15 has a hanging plate 17 for manual operation bent downward. The movable member 15 has a long groove 18 extending in the left-right direction in FIG.
Are formed.

The ink container housing 20 is made of sheet metal, and has a frame bent upward from a bottom wall for housing the ink container 11. On the bottom wall of the ink container housing 20, slide grooves 19 each having a length of a slide allowance SL are provided at two locations in the left-right direction of FIG. 1 and the left-right direction of FIG. 2 (however, the right side in FIG. (Omitted) are formed in each of the four places. The ink container housing 20 and the movable member 15 are slidably provided in the four slide grooves 19 via a stepped screw 22 screwed to the movable member 15.

The movable member 15 and the ink container holder 20 have one end fixed to the slide bracket 24 fixed to the lower surface of the movable member 15 and the other end fixed to the lower surface of the bottom wall of the ink container holder 20. The ink container storage unit pressurizing spring 30 (tensile coil spring) locked to the storage table bracket 25 urges the ink container in a direction in which they are attracted to each other, that is, is urged to move in the opposite direction.

In FIG. 1, a lock member pressing spring 40 is shown.
(Tension coil spring) has one end locked to the right free end in the drawing of the lock member 4 and the other end locked to the lower end of a bracket 37 fixed to the guide base member 3, respectively. When the occupying position occupies the connection position, the lock portion 5 and the lock claw 14 are urged in a direction for engaging with each other.

As described above, the ink container holder 2
Numeral 0 holds the ink container 11 so as to be movable between the connection position and the separation position. Movable member 1
Reference numeral 5 is connected to the ink container housing 20 and has a function of moving the ink container 11 to the connection position and the separation position via the ink container housing 20. The guide base member 3 has a function as a base member that movably supports the movable member 15.

Next, the operation of the ink container storage device will be described. When replacing the ink container 11, first, FIG.
In the above, the release portion 7 is manually pushed in the downward direction of the arrow against the urging force of the lock member pressing spring 40 to release the engagement between the lock claw 14 and the lock portion 5, that is, the ink container 11 is moved to the above-described connection position. Release the held status. Then, the engagement between the guide base member 3 and the movable member 15 which are fixed to the apparatus main body side is released, and the urging force of the ink container storage base pressurizing spring 30 causes
The movable member 15 slides by the length of the slide allowance SL in the direction of the dashed arrow in the figure. At this time, simultaneously with the sliding of the movable member 15 to the left in FIG. 3, the one end of the ink container storage base pressurizing spring 30 (spring engagement portion of the slide bracket 24) also moves to the left in FIG. As the ink container 11 is moved, the pressing of the connection port 10 to the suction port 2 by the ink container housing pressurizing spring 30 is released, and the ink container 11 moves to the connection intermediate position where the connection port 10 is not in close contact with the suction port 2. .

Here, the connection intermediate position where the connection port portion 10 is not in close contact with the suction port 2 means the total weight of the ink container 11 based on the state of the amount of ink stored in the ink container 11 and the pressure of the ink container storage table. Depending on the relationship with the spring load of the spring 30, the position occupied by the connection port 10 has a width,
From the state where the tip of the connection port 10 is in contact with the suction port 2 but not closely, to the state where the tip of the connection port 10 is slightly away from the suction port 2.

Next, as shown in FIG. 4, when the hand is released from the release unit 7, the urging force of the lock member pressing spring 40 causes
The sliding contact portion 6 is displaced in a clockwise direction about the pivot shaft 34, so that the arc-shaped inclined surface of the sliding contact portion 6 of the lock member 4 is in sliding contact with the lower end of the lock claw 14. And the sliding engagement portion 6 acts so as to push the lock claw 14 and the movable member 15 in the direction of the dashed line in the figure along the inclined surface. Therefore, the movable member 15 and the ink container housing 20 slide integrally in a direction in which the ink container 11 occupies the separated position from the connection intermediate position.

At this time, the sliding movement of the movable member 15 and the ink container holder 20 together is performed by the lock member pressing spring 40.
The horizontal component force of the clockwise urging force is applied to the sliding contact portion between the lock claw 14 and the arc-shaped inclined surface of the sliding contact engaging portion 6.

In FIG. 5, the hanging plate 17 for manual operation of the movable member 15 is pulled out by hand, and further pulled leftward from the state shown in FIG. Withdrawal operation can be performed.

Next, when the ink container 11 is mounted, an operation reverse to the above-described operation is performed. That is, in FIG.
The ink container 11 is stored and set in the ink container storage table 20, and the hanging plate 17 for manual operation of the movable member 15 is manually pushed rightward in the figure. Then, the process proceeds from the state of FIG. 4 to the state of FIG. 3 in exactly the reverse order. At this time, since the movable member 15 and the ink container housing 20 are attracted to each other by the ink container housing pressurizing spring 30, the connection port 10 of the ink container 11 mounted on the ink container housing 20 is It is positioned and is brought into contact with the suction port 2 of the ink pump 1. Immediately after this contact, only the movable member 15 is further slid to the right in FIG. 3 by manual operation, and the lock claw 14 and the lock portion 5 are completely locked in the state of FIG. . At this time, a force corresponding to the length of the slide allowance SL, that is, a force corresponding to a change in the use length of the ink container housing pressurizing spring 30 presses the connection port 10 of the ink container 11 against the suction port 2 of the ink pump 1. It is a force to make it close.

In FIG. 6, a cover 50 is provided at the side of the stencil printing device 35 at the container mounting / dismounting port 49 of the ink container storage table 20 for storing the ink container 11. Is manually moved from the separated position to the direction occupying the connection intermediate position. When the lock portion 5 and the lock claw 14 are not engaged with each other, the cover is engaged with the hanging plate 17 of the movable member 15. Fail safe projection 48 which makes closing of 50 impossible 5
0 is provided below the inner surface.

As described above, according to the present embodiment, when the ink container 11 is mounted, the movable member 15 is operated to operate the ink container 1 via the ink container housing 20.
1 is moved from the separation position to the direction occupying the connection intermediate position, whereby the lock claw 14 and the sliding contact engagement portion 6 are moved.
And the lock claw 14 and the lock portion 5 are engaged by a subsequent operation, and the ink container 11 occupies the connection position. When the ink container is to be detached, the engagement between the lock portion 5 and the lock claw 14 is released by operating the release portion 7 against the urging force of the lock member pressurizing spring 40, and the ink container storage base is released. The movable member 15 is slid in the direction in which the ink container 11 occupies the connection intermediate position by the urging force of the pressure spring 30, and then the lock claw 14 and the sliding contact engagement portion 6 are moved by the urging force of the lock member pressure spring 40. Are slidingly contacted,
The movable member 15 and the ink container housing 20 slide integrally in the direction in which the ink container 11 occupies the separated position from the connection intermediate position. Accordingly, it is possible to solve the difficulty in replacing the ink container due to the small amount of the ink container 11 drawn out from the apparatus main body, and to increase the amount of the ink container 11 drawn out. Thus, the ink container 11 can be set very easily and reliably, and the space can be effectively used. in this way,
In this embodiment, the use of the ink container storage table pressure spring 30
By using the ink container housing pressurizing spring 30 with the displacement length as small as possible between the two members (the movable member 15 and the ink container housing 20), a large amount of the ink container 11 can be drawn out. Can be done.

[0033]

As described above, according to the first aspect of the present invention, when the ink container is mounted, the movable member moves so that the ink container occupies the connection position via the ink container storage table. When the lock portion and the locked portion are engaged by being moved, the ink container is locked and held at the connection position via the ink container storage table by the urging force of the urging means, and the ink container is detached. By the release operation of the release portion against the biasing force of the biasing means, the engagement between the lock portion and the locked portion is released, and the ink container moves in the direction occupying the separated position via the ink container storage base. So that
The ink container can be set easily and reliably.

According to the second aspect of the present invention, when the ink container is mounted, the movable portion moves the ink container in the direction occupying the connection position via the ink container storage base, so that the locking portion is provided. The locked portion is engaged with the locked portion, the ink container is locked and held at the connection position via the ink container storage table by the urging force of the urging means, and when the ink container is detached, the urging force of the urging means is When the locking portion and the locked portion are disengaged by the releasing operation of the releasing portion, the ink container is moved from the separated position to the occupying position from the separated position via the ink container storage base. Since the locked portion and the sliding contact engagement portion are in sliding contact with each other and are moved in the direction occupying the connection position via the ink container storage table, the ink container can be easily and reliably set.

According to the third aspect of the invention, when the ink container storage is moved to the connection position, the movable member moves the ink container storage in the direction occupying the connection position. The locked portion is engaged with the locked portion, and the ink container storage is locked and held at the connection position by the urging force of the urging means. When the ink container storage is moved to the separated position, the urging force of the urging means is By the release operation of the release portion, the engagement between the lock portion and the locked portion is released, and the ink container storage table is moved in the direction occupying the separated position, so that the ink container can be easily and reliably set. .

According to the fourth aspect of the invention, when the ink container storage is moved to the connection position, the movable member moves to move the ink container storage in the direction occupying the connection position. The locked portion is engaged with the locked portion, and the ink container storage is locked and held at the connection position by the urging force of the urging means. When the ink container storage is moved to the separated position, the urging force of the urging means is The engagement between the locking portion and the locked portion is released by the releasing operation of the releasing portion against the locking portion, and when the ink container housing moves from the separated position to the direction occupying the connection position, the locking portion slides on the locked portion. Since the engagement portion is slidably contacted and the ink container holder is moved in the direction occupying the connection position, the ink container can be set easily and reliably.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional front view showing the periphery of an ink container storage device according to an embodiment of the present invention.

FIG. 2 is a partial cross-sectional side view showing a state where an ink container is not set in the ink container storage device of FIG. 1;

FIG. 3 is a partial cross-sectional front view of a main part showing an operation of the ink container storage device of FIG. 1;

FIG. 4 is a partial cross-sectional front view of a main part showing an operation of the ink container storage device of FIG. 1;

FIG. 5 is a partial cross-sectional front view of a main part showing an operation of the ink container storage device of FIG. 1;

FIG. 6 is a perspective view showing a stencil printing apparatus provided with the ink container storage device of FIG. 1;

[Explanation of symbols]

 2 Suction port of ink pump 3 Guide base member as base member 4 Locking member 5 Locking part 6 Sliding contacting part 7 Release part 10 Connection part of ink container 11 Ink container 14 Lock claw as locked part 15 Moving member Reference Signs List 20 Ink container holder 40 Lock member pressure spring as urging means

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B41L 13/18 B41F 31/02

Claims (4)

(57) [Claims] An ink container accommodating device in which a connection port of an ink container can be freely connected to and separated from a suction port of an ink pump, wherein: a connection position where the connection port is connected to the suction port; An ink container holder that holds the ink container that is movable between a separation position where the ink container is separated, and a movable member that is connected to the ink container holder and moves the ink container between the connection position and the separation position. A base member movably supporting the movable member, a lock portion for holding the ink container at the connection position, and a lock holding state of the ink container held at the connection position by the lock portion is released. A lock member having a release portion that engages with the lock portion when the ink container occupies the connection position. When the ink container occupies the connection position, the ink container storage apparatus characterized by comprising biasing means for biasing in a direction engaging the said locking portion and the locked portion. 2. An ink container accommodating device in which a connection port of an ink container can be freely connected to and separated from a suction port of an ink pump, wherein: a connection position where the connection port is connected to the suction port; An ink container holder that holds the ink container that is movable between a separation position where the ink container is separated, and a movable member that is connected to the ink container holder and moves the ink container between the connection position and the separation position. A base member that movably supports the movable member, a lock portion that holds the ink container at the connection position, and a slide that slides when the ink container moves from the separated position to the direction occupying the connection position. A lock member having a contact engagement portion, and a release portion for releasing a lock holding state of the ink container held at the connection position by the lock portion. The member has a locked portion that engages with the lock portion when the ink container occupies the connection position. When the ink container occupies the connection position, the member locks the lock portion and the locked portion. An urging means for urging in a direction to be engaged, wherein when the ink container moves from the separated position to a direction occupying the connection position, the locked portion and the sliding contact portion come into sliding contact with each other. An ink container storage device, characterized in that: 3. An ink container storage table movable between a connection position approaching a suction port of an ink pump and a separated position separated from the connection position; and the ink container storage device being connected to the ink container storage table. A movable member that moves the table to the connection position and the separation position, a base member that movably supports the movable member, a lock unit that holds the ink container storage table at the connection position, and the lock unit. A lock member having a release portion for releasing a lock holding state of the ink container storage table held at the connection position, wherein the movable member is configured such that when the ink container storage table occupies the connection position, A locking portion that engages with the locking portion; and when the ink container storage occupies the connection position, urges the locking portion and the locked portion to engage with each other. Ink container storage apparatus characterized by comprising biasing means. 4. An ink container storage table movable between a connection position approaching a suction port of an ink pump and a separated position separated from the connection position; and an ink container storage device connected to the ink container storage table. A movable member for moving the base between the connection position and the separated position; a base member for movably supporting the movable member; a lock unit for holding the ink container storage base at the connection position; and the ink container storage base A sliding contact engagement portion that slides when moving from the separation position to the direction occupying the connection position, and a release that releases a lock holding state of the ink container storage table that is held at the connection position by the lock portion. A movable member having a locked portion that engages with the lock portion when the ink container storage occupies the connection position. When the ink container housing occupies the connection position, the ink container housing is provided with an urging means for urging the locking portion and the locked portion in a direction to engage with each other, and the ink container housing is moved from the separated position to the connection position. Wherein the locked portion and the sliding contact portion are in sliding contact with each other when moving in the direction occupying the ink container.