JP2008307812A - Printing plate holder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a printing plate holder capable of being suitably used when making a liquid printing plate photosensitive resin letterpress by mechanically and automatically carrying out the conveyance between steps of the liquid printing plate photosensitive resin letterpress by a conveyance mechanism. <P>SOLUTION: A plurality of clamps 4 are arranged at intervals in the front or rear face of an elongate member 3 having the length longer than the lateral width of the liquid printing plate photosensitive resin letterpress 2 so as to be able to hold the printing plate head of the liquid printing plate photosensitive resin letterpress 2 between the elongate member 3 and the clamps. A side face plate 7 is arranged in the side portion of the elongate member 3 and holes 8 are formed in the side face plate 7. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a plate holder used for making a liquid plate photosensitive resin relief plate for relief printing such as corrugated cardboard printing, film printing, preprint printing, and label printing.

  In the conventional plate holder, a plurality of clamps are provided at intervals on the front or rear surface of a long member having a length equal to or greater than the width of the liquid plate photosensitive resin relief plate, and the liquid is interposed between the long member and the long member. The plate photosensitive resin relief plate is provided so that the plate head can be sandwiched.

  By the way, as described in Patent Document 1, the liquid plate photosensitive resin relief printing plate is made through the steps of exposure, recovery, development, post-exposure and drying. At this time, for example, in the resin recovery step, the plate holder having the above-described configuration is hooked on the resin recovery device, the liquid plate photosensitive resin relief plate is suspended, and the uncured resin of the liquid plate photosensitive resin relief plate is recovered. The liquid plate photosensitive resin relief plate that has been collected is manually transported by a worker to a processing apparatus that performs the next step.

  In other words, it is impossible to observe a technique for automatically carrying out the conveyance between the processes of the liquid plate photosensitive resin relief printing plate mechanically by the conveyance mechanism.

  Therefore, it is impossible to observe a plate holder that is suitably used when the liquid plate photosensitive resin relief printing is automatically conveyed mechanically by the conveyance mechanism.

JP 2001-188354 A

  An object of the present invention is to provide a plate holder that can be suitably used when plate-making a liquid plate photosensitive resin relief plate by carrying out mechanical transfer automatically between processes of the liquid plate photosensitive resin relief plate by a conveyance mechanism. Is to provide.

As means for solving the above-mentioned problem, a plate holder according to the invention described in claim 1 is:
A plate holder used when making a liquid plate photosensitive resin relief plate,
A plurality of clamps are provided on the front surface or the rear surface of the long member having a length equal to or greater than the lateral width of the liquid plate photosensitive resin relief plate, and a plurality of clamps are provided between the long member and the liquid plate photosensitive resin relief plate. Be provided so that the plate head can be sandwiched,
A side plate is provided on a side portion of the long member, and a hole is formed in the side plate.

The invention according to claim 2 is the plate holder according to claim 1,
The number of holes in the side plate is four.

The invention according to claim 3 is the plate holder according to claim 1,
A hook piece is formed at the upper end of the long member.

  The plate holder according to the present invention can be suitably used when a liquid plate photosensitive resin relief printing plate is made by a mechanical mechanism that automatically transfers the liquid plate photosensitive resin relief printing plate between steps.

  A plate holder according to the present invention will be described with reference to the drawings.

  The plate holder 1 according to the present embodiment has a plurality of a plurality of spaced intervals on the rear surface of the long member 3 having a length L equal to or greater than the lateral width l of the liquid plate photosensitive resin relief plate 2 (but can also be the front surface). The clamp 4 is provided so that the plate head of the liquid plate photosensitive resin relief plate 2 can be sandwiched between the long member 3 (see FIGS. 1 and 2).

  The elongate member 3 is made of a thin steel plate material having sufficient strength to hold the liquid plate photosensitive resin relief plate 2. When the liquid plate photosensitive resin relief plate 2 is held, protrusions 3 a are formed on both sides. Length L. The space between the clamps 4 and 4 is provided with a lightening 5 to reduce the weight (see FIG. 1).

  The clamp 4 rotates the handle 4a in the direction of the arrow in FIG. 2 so that the link mechanism 4b connected to the end of the handle 4a is operated, and the presser bar 4c connected to the end of the link mechanism 4b is operated. The end portion is configured to be pressed against or pulled away from the long member 3 (see FIG. 2). A rubber cap 6 is fitted into the end portion of the presser bar 4c so as not to be damaged when the liquid plate photosensitive resin relief plate 2 is held between the long member 3 and the liquid plate photosensitive resin relief plate 2.

  In short, the plate holder 1 having the above-described configuration is configured in substantially the same manner as a conventional plate holder, but the side plate 7 is formed on the side of the long member 3 at a substantially right angle with respect to the long member 3. The side plate 7 has a hole 8 formed therein. That is, although the details will be described later, the pins of the conveyance mechanism that connects the processes are inserted into the holes 8 of the side plate 7 so as to convey. Therefore, the side plate 7 has a thickness that can develop sufficient strength to support the liquid plate photosensitive resin relief plate 2 when the pins of the transport mechanism are inserted into the holes 8 and transported as described above. , Size and shape. Therefore, the plate holder 1 can be suitably used when the liquid plate photosensitive resin relief printing plate 2 is made by automatically carrying out the conveyance of the liquid plate photosensitive resin relief printing plate 2 by a mechanical mechanism by the conveyance mechanism. . Incidentally, in the present embodiment, both side portions of the long member 3 are bent at substantially right angles in the same direction to form a rectangular side plate 7, and four holes 8 are formed in the side plate 7 (claim 2). Described invention).

  A mode in which the liquid plate photosensitive resin relief plate 2 is conveyed using the plate holder 1 having the above configuration will be described. In the present embodiment, the transport mechanism 11 transports between the resin recovery device 9 and the cleaning device 10 arranged so as to face each other (see FIG. 3). Since a resin recovery device 9, a cleaning device 10, a transport mechanism 11, and the like, which will be described later, are bilaterally symmetric, only the left side portion when viewed from the resin recovery device 9 side will be described and illustrated.

  Similarly to the usual resin recovery device, the resin recovery device 9 is not exposed to active light when irradiated with active light through, for example, a negative film having a transparent portion on the liquid photosensitive resin layer with an exposure device. A so-called non-image portion is removed from the main body of the liquid plate photosensitive resin relief plate 2 by a contact method using a rubber blade or a non-contact method using a hot air knife (not shown).

  That is, the resin recovery device 9 has a gate-shaped casing 12 in which openings having a size sufficient to carry in and out the liquid plate photosensitive resin relief plate 2 in the suspended state are formed on the front side and the back side. (See FIG. 3). A lifting mechanism 13 is provided on a side portion in the casing 12. A beam member 14 is supported by the elevating mechanism 13 so as to be movable up and down, and the beam member 14 is configured to be rotatable by driving means (not shown).

  Hooks 15 are provided on the beam member 14 at a predetermined interval (see FIG. 4), and the plate holder for the liquid plate photosensitive resin relief plate 2 is formed on the hook 15 from the opening on the front side by the manual operation of an operator. 1 is hooked, and the liquid plate photosensitive resin relief plate 2 is suspended. At this time, it is preferable that an L-shaped hooking piece 16 is formed continuously at the upper end of the long member 3 so that it can be satisfactorily suspended (see FIG. 1, etc., Claim 3). Described invention).

  The uncured resin of the suspended liquid plate photosensitive resin relief plate 2 is removed by a rubber blade supported so as to be lifted and lowered by a lifting mechanism provided on a side portion in the casing 12. At this time, a reaction force is applied to the rubber blade from the back surface of the exposure surface of the liquid plate photosensitive resin relief plate 2 by a rubber blade support portion supported by the lifting mechanism so as to be movable up and down.

  The resin recovery device 9 is provided with a delivery mechanism 17 for delivering the liquid plate photosensitive resin relief plate 2 after the recovery process to the transport mechanism 11 (see FIG. 4). The delivery mechanism 17 carries out the liquid plate photosensitive resin relief plate 2 from the opening on the back side of the casing 12 and can carry the rail 18 supported by the casing 12 to the delivery position of the delivery mechanism 11. And a sliding member 19 that slides along the rail 18.

  The sliding member 19 includes a base 21 in which a roller, a motor, and a cylinder 20 (FIG. 6) that can be expanded and contracted in the vertical direction are stored so that the sliding member 19 can slide along the rail 18, and an upper end of the cylinder 20. And an insertion portion 22 connected to the. The insertion portion 22 has a recessed portion 22a opened upward, and a protruding portion 3a between the side plate 7 and the liquid plate photosensitive resin relief plate 2 in the plate holder 1 is inserted into the recessed portion 22a.

  The liquid plate photosensitive resin relief plate 2 that has been collected is lowered by the elevating mechanism 13. At the same time, the sliding member 19 of the delivery mechanism 17 is moved to a position directly below the plate holder 1 that holds the liquid plate photosensitive resin relief plate 2 (see FIG. 5). The protruding portion 3 a of the plate holder 1 is inserted into the recessed portion 22 a of the insertion portion 22 of the sliding member 19. Thereafter, the beam member 14 is rotated by the driving means in the direction of the arrow in FIG. 5 to remove the hook 15 from the hook 16 of the plate holder 1, and the beam member 14 is raised by the elevating mechanism 13. Finally, the sliding member 19 is slid along the rail 18, and the liquid plate photosensitive resin relief plate 2 is moved to the delivery position with the transport mechanism 11 (see FIG. 6). At this time, a rubber blade or the like is lowered by a lifting mechanism to a position lower than the plate bottom of the liquid plate photosensitive resin relief plate 2 so that the plate bottom of the liquid plate photosensitive resin relief plate 2 is not caught. Incidentally, it is preferable that the upper end portion of the hook 15 is rounded so that the hook 15 is not caught by the hooking piece 16 when the hook 15 is detached from the hooking piece 16 of the plate holder 1. .

  The transport mechanism 11 is provided at a position where the resin recovery device 9 and the liquid plate photosensitive resin relief plate 2 can be delivered. That is, a rail 23 is bridged so as to connect the resin recovery device 9 and the cleaning device 10, and a suspension piece 25 is supported so as to be movable along the rail 23 by a roller 24 that sandwiches the rail 23 from above and below. (See FIG. 7). Two cylinders that can be expanded and contracted in the horizontal direction are provided as pins 26 that are inserted into the upper two holes 8 of the side plate 7 of the plate holder 1 at the lower portion of the hanging piece 25. Incidentally, the end of the transport mechanism 11 on the side of the cleaning device 10 is guided to the inside of the cleaning device 10 (see FIG. 8).

  When the liquid plate photosensitive resin relief plate 2 is disposed below the suspension piece 25 by the delivery mechanism 17, the cylinder 20 of the sliding member 19 is extended, and the upper two holes 8 of the side plate 7 of the plate holder 1 and the aforementioned The plate holder 1 is lifted upward so that the pin 26 of the transport mechanism 11 is concentric. The pins 26 of the transport mechanism 11 are extended and inserted into the two upper holes 8 of the side plate 7 of the plate holder 1 (see FIG. 6). The cylinder 20 of the sliding member 19 is contracted to open the protruding portion 3a of the plate holder 1. Thereafter, the suspended piece 25 is moved along the rail 23 in a state where the liquid plate photosensitive resin relief plate 2 is suspended, and is carried into the casing 27 of the cleaning device 10. At this time, since the pin 26 is inserted into the two holes 8 and the liquid plate photosensitive resin relief plate 2 is conveyed, the liquid plate photosensitive resin relief plate 2 is hardly shaken, which is convenient.

  The cleaning device 10 is a cleaning solution containing a surfactant or an antifoaming agent in the uncured resin that remains on the surface of the liquid plate photosensitive resin relief plate 2 without being removed by the resin recovery device 9, as in a normal cleaning device. It is configured to be completely removed from the surface by spraying or scraping with a brush made of nylon or animal hair.

  In other words, the cleaning device 10 is a box-shaped device in which an opening large enough to be carried in and out in a state where the liquid plate photosensitive resin relief plate 2 is suspended is formed on the resin recovery device 9 side (front side). A casing 27 is provided. An elevating mechanism is provided on a side portion in the casing 27, and the cleaning nozzle and the surface treatment nozzle are supported by the elevating mechanism so as to be movable up and down (not shown).

  The cleaning nozzle has innumerable holes formed in a cylindrical member having a length equal to or longer than the width of the liquid plate photosensitive resin relief plate 2. The cleaning nozzle sprays the cleaning liquid sucked up from the tank by the cleaning pump onto the surface of the liquid plate photosensitive resin relief plate 2, thereby completely washing away the uncured resin remaining on the surface without being completely removed by the resin recovery device 9.

  The surface treatment nozzle also has innumerable holes formed in a cylindrical member having a length equal to or larger than the lateral width of the liquid plate photosensitive resin relief plate 2. The surface treatment nozzle sprays a surface treatment liquid sucked up by a surface treatment pump from a tank different from the above tank, so that the adhesiveness of the surface of the liquid plate photosensitive resin relief plate 2 completely washed away by the washing nozzle is obtained. Remove.

  After the surface treatment liquid is jetted, the plate surface is rinsed with water or the like in order to wash away the surface treatment liquid remaining on the surface of the liquid plate photosensitive resin relief plate 2.

  On the back surface in the casing 27, a support member 28 that supports the liquid plate photosensitive resin relief plate 2 to be cleaned as described above is a position where the transport mechanism 11 and the liquid plate photosensitive resin relief plate 2 can be delivered. (See FIG. 8). In the support member 28, two cylinders that can be expanded and contracted in the horizontal direction are pins inserted into the two lower holes 8 of the side plate 7 in the plate holder 1 of the transported liquid plate photosensitive resin relief plate 2. 29 is provided.

  The suspension piece 25 carrying the liquid plate photosensitive resin relief plate 2 into the cleaning device 10 moves so that the pin 29 and the two lower holes 8 of the side plate 7 of the plate holder 1 are in concentric positions. Let The pin 29 is extended and inserted into the lower two holes 8 of the side plate 7, and the pin 26 of the hanging piece 25 is contracted and extracted from the upper two holes 8 of the side plate 7, and the liquid plate photosensitive resin relief plate 2 is supported by a support member 28. The hanging piece 25 is moved to the outside of the cleaning device 10. Thereafter, the liquid plate photosensitive resin relief plate 2 supported by the pins 29 is washed as described above. Even when the plate holder 1 is shifted from the support of the pin 26 to the support of the pin 29, the plate holder 1 is always supported by two pins, so that it is stable without being shaken.

  In addition, as a raising / lowering mechanism, well-known raising / lowering mechanisms, such as a mechanism raising / lowering along a support | pillar, a chain, and a mechanism raising / lowering by belt drive, can be employ | adopted, and it does not specifically limit.

  As described above, the plate holder 1 according to the present invention automatically transfers the liquid plate photosensitive resin relief plate 2 between the steps by the conveyance mechanism 11 automatically and mechanically to make the liquid plate photosensitive resin relief plate 2. It can be used suitably.

  Although the embodiments of the present invention have been described, the present invention is not limited to these embodiments and can be implemented in various forms without departing from the gist of the present invention. For example, two holes are inserted into each pin. However, after the piercing, the pin breaks into two and spreads up and down or left and right to firmly hold the plate holder. As a result, the plate holder is prevented from unstablely wobbling. In another example, the plate can be held and transported instead of the pin by a gripping mechanism (chucking mechanism) instead of holding and transporting the plate by piercing the pin. From the viewpoint of the properties, the above embodiment is preferable.

  The plate holder of the present invention can be used when making a liquid plate photosensitive resin relief plate for relief printing such as cardboard printing, film printing, preprint printing, label printing, and the like.

It is a schematic perspective view which shows the plate holder based on this invention. It is a schematic side view which shows the plate holder which concerns on this invention. It is the schematic which shows the structure which conveys a liquid plate photosensitive resin letterpress by a conveyance mechanism between a resin collection | recovery apparatus and a washing | cleaning apparatus. It is the schematic which shows the state which suspended the said liquid plate photosensitive resin relief printing plate when removing the uncured resin of a liquid plate photosensitive resin relief printing plate in a resin recovery apparatus. It is the schematic which shows the state which removed the uncured resin of liquid plate photosensitive resin letterpress, and was made to support the plate holder holding the liquid plate photosensitive resin letterpress with the delivery mechanism. It is the schematic which shows the state which delivered the plate holder holding the liquid plate photosensitive resin relief plate from the delivery mechanism to the conveyance mechanism. It is the schematic which shows a conveyance mechanism. It is the schematic which shows a state when shifting the support of a liquid plate photosensitive resin relief printing plate from the pin of a conveyance mechanism to the pin of a washing | cleaning apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Plate holder 2 Liquid plate photosensitive resin relief plate 3 Long member 3a Protrusion part 4 Clamp 7 Side plate 8 Hole 9 Resin collection | recovery apparatus 10 Cleaning apparatus 11 Conveyance mechanism L Length of plate holder

Claims (3)

A plate holder used when making a liquid plate photosensitive resin relief plate,
A plurality of clamps are provided on the front surface or the rear surface of the long member having a length equal to or greater than the lateral width of the liquid plate photosensitive resin relief plate, and a plurality of clamps are provided between the long member and the liquid plate photosensitive resin relief plate. Be provided so that the plate head can be sandwiched,
A plate holder, wherein a side plate is provided on a side portion of the elongated member, and a hole is formed in the side plate.   The plate holder according to claim 1, wherein the number of holes in the side plate is four.   The plate holder according to claim 1, wherein a hook piece is formed on an upper end portion of the long member.

Images