JP5234423B2 - Ink fountain changer - Google Patents

Description

  The present invention relates to an ink fountain exchanging apparatus for exchanging an ink fountain unit (excluding an ink fountain roller) exclusively for a ticket surface using a carriage.

  As an inker of the printing press, an intermediate fixed key is placed at a place where there is no pattern on the printed pattern, and a number of ink fountain keys with an arbitrary key width corresponding to the pattern are divided and arranged to transfer the ink to the ink fountain roller. For example, Patent Document 1 discloses an ink supply apparatus that effectively performs the above.

Japanese Patent No. 3738387 JP 2007-237539 A

  However, in the ink supply device disclosed in Patent Document 1, when the design is changed, it is necessary to change the arrangement position of the intermediate fixed key or to replace the ink fountain key with a different key width, Depending on the number of ink fountain keys used, there is a problem that adjustment of the control system in a controller or the like for individually controlling the opening amount of the ink fountain key becomes complicated. Further, when the ink fountain key is exchanged on the machine, the inker portion is a narrow portion, and there is a problem that workability is poor and a lot of time is required.

  Accordingly, an object of the present invention is to provide an ink fountain exchanging apparatus that can replace an ink fountain unit dedicated to a ticket surface excluding an ink fountain roller so that it can be quickly and easily dealt with when a pattern is changed. And

In order to achieve such an object, an ink fountain exchanging apparatus according to the present invention includes an ink fountain unit movable between a printing position and an exchange position, and a cradle that is positioned at a position below the exchange position and can be moved up and down. And a guide member that is movable between a support position that supports the ink fountain unit at the replacement position and a retracted position that is retracted from the support position. The unit is placed on the guide member from the cradle, or placed on the cradle from the guide member.
Also,
It is preferable that the carriage accommodates and stores the ink fountain unit inside the carriage.
Also,
It is preferable that the cradle moves in a direction orthogonal to the movement direction of the ink fountain unit with respect to the carriage.
Further, it is preferable to further include a fixed guide member that supports the ink fountain unit.

  According to the ink fountain exchanging apparatus according to the present invention, when the design is changed, the ink fountain unit may be replaced using a carriage, and it can be dealt with quickly and easily. In addition, a guide bar that can be opened and closed is used to transfer the ink fountain unit between the machine frame and the carriage, and a cradle that supports the ink fountain unit is provided in the carriage so that the ink fountain unit can be raised and lowered smoothly. It can be exchanged and can be safely stored in the carriage.

1 is an overall configuration diagram of an ink fountain exchanging apparatus showing an embodiment of the present invention. It is a rear view of a trolley | bogie. It is a side view at the time of the non-sliding of a raising / lowering table. It is a side view at the time of a slide of a raising / lowering table. It is a top view of a fixed side table. It is a top view of a movable side table. It is operation | movement explanatory drawing of a raising / lowering table. It is a side view of an ink fountain device. It is a rear view of an ink fountain device. It is a top view of a pit part. It is B arrow line view of FIG. It is C arrow line view of FIG. It is explanatory drawing of the ink fountain unit only for the ticket surface Y. FIG. 3 is a plan view of an ink fountain unit dedicated to a ticket surface Y. FIG. It is explanatory drawing of the key arrangement | sequence of the ink fountain unit only for the ticket surface Y. FIG. It is explanatory drawing of the key arrangement | sequence of the ink fountain unit only for the ticket surface Z. FIG. It is explanatory drawing of the state in which the ink fountain unit only for the ticket surface Y was attached. It is explanatory drawing of the state by which the ink fountain unit only for the ticket surface Y was removed. It is operation | movement explanatory drawing of a trolley | bogie.

  Hereinafter, an ink fountain exchanging apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is an overall configuration diagram of an ink fountain exchanging apparatus showing an embodiment of the present invention, FIG. 2 is a rear view of a carriage, FIG. 3 is a side view when the lift table is not slid, and FIG. FIG. 5, FIG. 5 is a plan view of the fixed side table, FIG. 6 is a plan view of the movable side table, FIG. 7 is an explanatory view of the operation of the lifting table, FIG. 8 is a side view of the ink fountain device, FIG. 10 is a plan view of the pit portion, FIG. 11 is a view as viewed from the arrow B in FIG. 10, FIG. 12 is a view as viewed from the arrow C in FIG. FIG. 15A is an explanatory diagram of the key arrangement of the ink fountain unit dedicated to the ticket surface Y, FIG. 15B is an explanatory diagram of the key arrangement of the ink fountain unit dedicated to the ticket surface Z, and FIG. Ink fountain unit attached Of illustration, FIG. 16B is a schematic view for illustrating a state of being detached with the ink fountain unit of Kenmen Y only, FIG. 17 is a diagram for describing operation of the truck.

  As shown in FIGS. 1 and 2, a pit 11 for ink fountain exchange is formed on a machine base 10 in an inker portion of a printing press, and a carriage 12 for ink fountain exchange can move forward and backward (in and out) with respect to the pit 11. ing. That is, an ink fountain unit 14 dedicated to the bill face Y, which will be described later, supported between the pair of left and right machine frames 13 is carried in and out using the carriage 12 for replacement.

  The carriage 12 is formed in a box shape with four side walls 17 on the front, rear, left and right standing on a cargo bed 16 having four wheels 15 in total, front and rear wheels, and an opening on the top surface of the carriage 12 as a handle. The lid 18 is attached (see FIG. 2).

  A bar-like stopper 20 is supported at the center of the front surface of the loading platform 16 via a support case 19 so that it can be manually moved up and down. By engaging with 11a, the carriage 12 can be regulated to a predetermined stop position. Further, at this stop position, a pair of left and right rubber stoppers 21 attached to the rear surface portion of the loading platform 16 (the rear surface side of the carriage 12) is in contact with the side surface in the pit 11.

  A first detector LS <b> 1 that detects the stop restriction state of the carriage 12 is installed in the support case 19. That is, the detector of the first detector LS1 protrudes toward the peripheral surface of the small diameter portion 20b of the rod-shaped stopper 20 to detect (ON) the stop restriction state, and the detection signal is transmitted to an electric box 22 described later. Input to the controller. On the contrary, when the rod-shaped stopper 20 is lifted and the stop restriction state is released, the detection of the first detector LS1 is detected by being engaged with the peripheral surface of the large-diameter portion 20c of the rod-shaped stopper 20 and retracted. The signal is turned off.

  The electric box 22 is supported via a bracket 24 between inverted U-shaped handles 23 disposed on the front side of the carriage 12. Both ends of the handle 23 are fixed to the front surface of the loading platform 16 via brackets 25. On the front surface of the electric box 22, an installation / removal operation selection switch 26a, a push button 26b for raising operation, and a push button 26c for lowering operation are arranged.

  In addition, a pair of left and right positioning rollers 27 that protrude to the left and right sides of the carriage 12 and can roll on the side surface in the pit 11 are arranged on the lower surface of the loading platform 16 in three stages in the front-rear direction. Yes. Then, the distance between the pair of left and right rollers gradually decreases from the front stage to the rear stage (from the front side to the rear side of the loading platform 16), and at the stop position of the carriage 12, the pair of left and right rollers 27 at the front stage is the most on the side surface in the pit 11. It can come close. That is, the carriage 12 is automatically guided and positioned to the predetermined stop position by the cooperation of the positioning rollers 27 and the rubber stopper 21 when entering the pit 11.

  On the upper surface side of the loading platform 16, a lifter 28 is installed in the side wall 17, and a lift table 29 is supported by the lifter 28. The lifter 28 has a pair of left and right X links 31 that undulate by expansion and contraction of the air cylinder 30, and one end of the X link 31 is connected to the loading platform 16 and the lifting table 29 side by a pin 32 as a fixed end, while the other end Can be rolled by a roller 33 as a free end. In FIG. 1, reference numeral 34 denotes a rail provided on the lifting table 29 side, and the roller 33 of the X link 31 rolls on the rail 34.

  As shown in FIGS. 3 to 6, the elevating table 29 is disposed on the fixed table 35 and the fixed table 35 in the front-rear direction of the carriage 12 (in the left-right direction of the machine base 10) via a pair of left and right linear guides 36. It comprises a movable side table (base) 37 slidable in a direction perpendicular to the movement direction of an ink fountain unit 14 dedicated to the bill surface Y, which will be described later.

  A rail 34 on which the roller 33 of the X link 31 rolls is laid in the front-rear direction on both the left and right sides of the fixed side table 35, and a fifth position for detecting a fixed position of the movable side table 37 is provided on the lower surface thereof. A sixth detector LS6 for detecting the slide position with the detector LS5 is attached.

  That is, the holes 38a and 38b corresponding to the fixed position and the slide position of the movable table 37 are formed in the fixed table 35 (see FIG. 5), and the holes 38a and 38b are formed in the movable table 37. When the L-shaped pin (dog) 40 is inserted through the hole 39 (see FIGS. 4 and 6), the detector of the fifth detector LS5 or the sixth detector LS6 is retracted to detect each position (ON The detection signal is input to the controller in the electric box 22 described above. Conversely, when the L-shaped pin 40 is removed and the detector protrudes, the detection signal is turned off.

  Further, a third detector LS3 that detects a C position (see FIGS. 1 and 7) that is an intermediate stop position of the lifting and lowering operation of the lifting table 29 is attached to one side of the fixed table 35. In other words, the light from the third detector LS3 is reflected by the reflector 41 (see FIG. 5) attached to the side wall 17 of the carriage 12, so that the C position is detected (ON), and the detection signal is converted into the electric signal described above. Input is made to the controller in the box 22. Conversely, the detection signal is turned off when the light is not reflected.

  In addition, on the upper surface of the fixed side table 35, two pairs of front and rear blocks 36b are fixedly fixed to the left and right pairs of the left and right rails 36a of the pair of left and right linear guides 36, and the movable side table 37 is described above. Stoppers 42a and 42b (see FIG. 5) for restricting the fixed position and the slid position are attached.

  A pair of left and right rails 36a of the pair of left and right linear guides 36 described above are laid in the front-rear direction on the lower surface of the movable table 37, and a pair of front and rear unit receivers 43a and 43b are fixed on the upper surface. The ink fountain unit 14 dedicated to the bill surface Y described above can be supported by the unit receivers 43a and 43b. Further, a handle 44 for manual operation is attached to the front side of the movable side table 37.

  In detecting the A position (see FIG. 7), which is the ascending limit of the ascending / descending operation of the elevating table 29, and the D position, which is the descending limit, the fourth detection for detecting the extension of the air cylinder 30 of the lifter 28 described above. The detection signals of the detector LS4 (for A position detection) and the second detector LS2 (for D position detection) for detecting the contraction are respectively used (see FIG. 1), and the detection signals of these stroke sensors are used in the electrical box described above. 22 is input to the controller in the system. The position B in FIGS. 1 and 7 is a point mounting position described later.

  As shown in FIGS. 8 and 9, the above-described ink fountain unit 14 dedicated to the sheet surface Y constitutes an ink fountain device with an ink fountain roller 45 rotatably supported between a pair of left and right machine frames 13, which will be described later. It can be exchanged with an ink fountain unit 14A dedicated to a different kind of bill surface Z. That is, when the ink fountain unit 14 dedicated to the bill surface Y is replaced, the ink fountain roller 45 is used without being replaced.

  The ink fountain unit 14 dedicated to the ticket surface Y has a pair of front and rear wheels 47 on both left and right sides of the fountain key support base 46, and these wheels 47 are laid on the pair of left and right machine frames 13 via brackets 48, respectively. In a state in which the guide rails 49A and 49B are slidably mounted, the fixing bolts 50 are fastened (fixed) to a predetermined printing position between the machine frames 13.

  In other words, U-shaped engagement blocks 51 are attached to the left and right side surfaces of the acupoint key support base 46 obliquely upward to the right, while the fixing bolt 50 has its tip threaded portion 50a rocked to the machine frame 13 via the bearing 52. It is screwed into a screw hole 53a of a support shaft 53 that is pierced and supported in a movable manner (see FIG. 14).

  Then, the small-diameter shaft portion 50b of the fixing bolt 50 is fitted into the engaging block 51 by swinging the fixing bolt 50 by a predetermined angle in the counterclockwise direction in FIG. The fixing bolt 50 is screwed in until the lower end surface of the large-diameter shaft portion 50c connected to the upper portion is pressed against the upper end surface of the engagement block 51. On the other hand, by performing the reverse operation, it can be removed from between the pair of left and right machine frames 13 (see FIGS. 16A and 16B). In FIG. 8 and FIG. 9, reference numeral 54 denotes a handle for manual operation.

  10 to 12, among the guide rails 49A and 49B, the right guide rail 49A in FIG. 10 is formed by one long fixed rail (fixed guide member). The middle left guide rail 49B is formed of a short fixed rail 49b1 and a movable rail (guide member) 49b2 connected to the fixed rail 49b1 as necessary.

  As the movable rail 49b2 opens and closes the entrance side of the pit 11, its base end is coupled to the machine frame 13 via a bracket 55 with a pin 56 to enable horizontal rotation (see FIG. 10). . In other words, the movable rail 49b2 is opened so as not to interfere with the ink fountain unit 14 dedicated to the ticket surface Y on the lifting table 29 when the lifting table 29 is lifted and lowered as described later (the chain line in FIG. 10 in the retracted position). When the ink fountain unit 14 dedicated to the ticket surface Y moves between the exchange position above the pit 11 and the printing position between the machine frames 13, it is closed and coupled to the fixed rail 49b1 with bolts 57. (Refer to the solid line state in FIG. 10 in the support position).

  Other configurations of the ink fountain unit 14 dedicated to the ticket surface Y are the same as those disclosed in Patent Document 2 by the present applicant, as shown in FIG. That is, the ink 63 is stored in an ink fountain 62 formed by being surrounded by a pair of left and right ink basins 58 and a bottom plate 59, an ink fountain key 60, fixed keys 61 a to 61 c described later, and a peripheral surface of the ink fountain roller 45.

  Then, a holding bar 65 is attached to the fountain key support base 46 so as to extend in the axial direction of the ink fountain roller 45. The ink fountain key 60 is disposed in the vicinity of the peripheral surface of the ink fountain roller 45, and a large number are arranged in the axial direction of the ink fountain roller 45. The fulcrum pin 66 is formed to have the same length as the holding bar 65, and the ink fountain key 60 is held by the holding bar 65 via the fulcrum pin 66 by the elastic force of the disc spring 67. The ink fountain key 60 is provided with a concave groove formed in an arc shape that is in sliding contact with the sliding contact surface of the fulcrum pin 66.

  Therefore, the ink fountain key 60 is swingably supported by the holding bar 65 with the sliding contact surface of the fulcrum pin 66 as a swing fulcrum. Then, by swinging each ink fountain key 60, the gap with the peripheral surface of the ink fountain roller 45 changes, and the ink supply amount is adjusted. Each ink fountain key 60 oscillates when the corresponding fountain key opening / closing screw rod 68 moves back and forth (see arrows ED). The acupoint key opening / closing screw rod 68 moves forward and backward as the rotation of the motor 69 is transmitted via the gear mechanism 70.

  14 and 15A show the ink fountain unit 14 dedicated to the ticket surface Y having the key width and the number of keys corresponding to the ticket surface Y to be printed. In the figure, 61a is a fixed key, 61b is a manually adjustable fixed key, 61c is an intermediate fixed key, and there are ink fountain keys 60 with different key widths.

  15B, the ink fountain unit 14 dedicated to the ticket surface Y shown in FIG. 14 and FIG. 15A is different in key width and key number, and the key width and key number corresponding to the printed ticket surface Z are different. An ink fountain unit 14A dedicated to the ticket surface Z is prepared separately, and the ink fountain unit 14A dedicated to the ticket surface Z is replaced with the ink fountain unit 14 dedicated to the ticket surface Y shown in FIGS. 14 and 15A using the carriage 12 described above. It is.

  Next, the installation / removal procedure when replacing the ink fountain unit 14 dedicated to the bill surface Y shown in FIGS. 14 and 15A will be described with reference to FIGS. 7, 16A, 16B and 17. FIG. In addition, since the ink fountain unit 14A dedicated to the ticket surface Z is also replaced in the same manner, a duplicate description is omitted.

"When installing"
a. The carriage 12 is caused to enter the pit 11 with the movable rail 49b2 of the guide rail 49B being opened. An ink fountain unit 14 dedicated to the bill surface Y is accommodated and stored in the carriage 12.
b. After the first detector LS1 for detecting the stop regulation state of the carriage is turned on (the end engaging element 20a of the rod-shaped stopper 20 is inserted into the engaging hole 11a of the pit 11), the mounting / removing operation selection switch 26a is used to select “mounting”. ”Is selected.
c. The lifter 28 is lifted by driving the air cylinder 30 with the push button 26b for the lift operation, and the lift table 29 supporting the ink fountain unit 14 dedicated to the bill surface Y is stopped at the lift limit (position A) (position A of the lift table ( Ascent limit) The fourth detector LS4 for detection is turned ON). At this time, the third detector LS3 for detecting the C position (intermediate stop position) of the lifting table does not operate.
d. After the fifth detector LS5 for detecting the fixed position of the movable table is turned off (the L-shaped pin 40 is pulled out from the hole 38a), the movable table 37 of the lifting table 29 is manually operated until it is regulated by the stopper 42a. Slide.
e. After the sixth detector LS6 for detecting the slide position of the movable table is turned on (the L-shaped pin 40 is inserted into the hole 38b), the movable rail 49b2 of the guide rail 49B is closed and connected to the fixed rail 49b1 with a bolt 57. . In this state, the elevating table 29 is still in the A position (upward limit), and therefore there is a clearance L1 between the left and right wheels 47 of the ink fountain unit 14 and the guide rails 49A and 49B (FIG. 7). (See position A).
f. The lifter 28 is lowered by driving the air cylinder 30 with the push button 26c for the lowering operation, and the lifting table 29 supporting the ink fountain unit 14 dedicated to the bill surface Y is stopped at the intermediate stop position (C position) (C position of the lifting table). (Intermediate stop position) The third detector LS3 for detection is turned ON). In the middle of this, the wheels 47 on both the left and right sides of the ink fountain unit 14 dedicated to the ticket surface Y are placed on the guide rails 49A and 49B (49b2), respectively, and are attached to the machine frame 13 (position B in FIG. 7). reference). Incidentally, at the above-described C position (intermediate stop position) of the lifting table, a clearance L2 exists between the ink fountain unit 14 dedicated to the bill surface Y and the unit receivers 43a and 43b of the movable table 37 (C in FIG. 7). Position reference).
g. After the sixth detector LS6 for detecting the slide position of the movable table is turned off (the L-shaped pin 40 is pulled out from the hole 38b), the movable table 37 of the lifting table 29 is manually operated until it is regulated by the stopper 42b. Slide.
h. After the fifth detector LS5 for detecting the fixed position of the movable table is turned on (the L-shaped pin 40 is inserted into the hole 38a), the lifter 28 is lowered by driving the air cylinder 30 with the push button 26c for lowering operation, The empty lifting table 29 is stopped at the lowering limit (D position) (the second detector LS2 for detecting the D position (lowering limit) of the lifting table is turned ON).
i. After the first detector LS1 for detecting the stop regulation state of the carriage is turned off (the front end engaging element 20a of the rod-shaped stopper 20 is pulled out from the engaging hole 11a of the pit 11), the carriage 12 is manually pulled out from the pit 11 .
j. An operator enters the pit 11 and manually moves the ink fountain unit 14 dedicated to the ticket surface Y on the guide rails 49 </ b> A and 49 </ b> B to approach the ink fountain roller 45.
k. The fixing bolts 50 on the left and right pair of machine frames 13 are swung and engaged with the engagement blocks 51 on the left and right sides of the ink fountain unit 14 dedicated to the ticket surface Y, and the attachment is completed (see FIG. 16A).

"When removing"
a. With the movable rail 49b2 of the guide rail 49B closed, the engagement blocks 51 on both the left and right sides of the ink fountain unit 14 dedicated to the ticket surface Y are disengaged from the fixing bolts 50 on the pair of left and right machine frames 13, The ink fountain unit 14 dedicated to the ticket surface Y is manually pulled out onto the guide rails 49A and 49B (49b2) above the pit 11 (see FIG. 16B).
b. After the carriage 12 enters the pit 11 and the first detector LS1 for detecting the stop regulation state of the carriage is turned on (the end engaging element 20a of the rod-shaped stopper 20 is inserted into the engaging hole 11a of the pit 11), the mounting is performed. -Select "Remove" with the selection switch 26a of the removal operation.
c. The lifter 28 is raised by driving the air cylinder 30 with the push button 26b for raising operation, and the empty lifting table 29 is stopped at the intermediate stop position (C position) (the first position for detecting the C position (intermediate stop position) of the lifting table). 3 detector LS3 is turned ON).
d. After the fifth detector LS5 for detecting the fixed position of the movable table is turned off (the L-shaped pin 40 is pulled out from the hole 38a), the movable table 37 of the lifting table 29 is manually operated until it is regulated by the stopper 42a. Slide (see position C in FIG. 7).
e. The lifter 28 is lifted by driving the air cylinder 30 with the push button 26b for lift operation, and is stopped at the lift limit (A position) (the fourth detector LS4 for detecting the A position (lift limit) of the lift table is turned ON). ). At this time, the ink fountain unit 14 dedicated to the ticket surface Y is supported on the unit receivers 43a and 43b from the B position (fountain mounting position) of the lifting table (see the B position in FIG. 7).
f. After the movable rail 49b2 of the guide rail 49B is opened and the sixth detector LS6 for detecting the slide position of the movable table is turned off (the L-shaped pin 40 is pulled out from the hole 38b), the movable table 29 is movable. The side table 37 is manually slid until it is regulated by the stopper 42b.
g. After the fifth detector LS5 for detecting the fixed position of the movable table is turned on (the L-shaped pin 40 is inserted into the hole 38a), the lifter 28 is lowered by driving the air cylinder 30 with the push button 26c for lowering operation, The lift table 29 supporting the ink fountain unit 14 dedicated to the bill surface Y is stopped at the lower limit (D position) (the second detector LS2 for detecting the D position (lower limit) of the lift table is turned ON).
h. After the first detector LS1 for detecting the stop regulation state of the carriage is turned OFF (the front end engaging element 20a of the rod-shaped stopper 20 is pulled out from the engaging hole 11a of the pit 11), the carriage 12 is manually pulled out from the pit 11 Finish the removal.

  In this way, according to the present embodiment, when the printed bill face (design) is changed, the ink fountain unit 14 or 14A may be replaced using the carriage 12, which can be dealt with quickly and easily. Can do. Further, guide rails 49A and 49B having movable rails 49b2 that can be opened and closed are used for the transfer of the ink fountain unit 14 or 14A between the machine frame 13 and the carriage 12, and the unit receiver that supports the ink fountain unit 14 or 14A. Since 43a and 43b are provided in the carriage 12 so that they can be raised and lowered by the lifting table 29 and the lifter 28, the ink fountain unit 14 or 14A can be replaced smoothly and can also be safely stored in the carriage 12. .

  Further, since the carriage 12 accommodates and stores the ink fountain unit 14 or 14A therein, the carriage 12 can be replaced more quickly and the storage space for the ink fountain unit 14 or 14A in the factory can be reduced. Further, since the movable side table 37 of the lifting table 29 moves in a direction perpendicular to the moving direction of the ink fountain unit 14 or 14A with respect to the carriage 12, the depth dimension of the pit 11 where the carriage 12 enters and exits is reduced. The rigidity of the base 10 is ensured. Further, since the guide rail 49A is formed by a single long fixed rail, the movable rail 49b2 only needs to be provided on one side of the entrance side of the pit 11, and the structure can be simplified and the opening / closing operation is facilitated. .

  Needless to say, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention. For example, it is possible to change the number of bills of the ink fountain unit, the lifting mechanism of the lifting table, the moving mechanism of the movable table, the moving mechanism of the ink fountain unit, and each position detecting means.

  The ink fountain exchanging apparatus according to the present invention is suitable for use in a sheet-fed printing press provided with an ink fountain apparatus dedicated to a bill surface such as a banknote.

10 machine bases, 11 pits, 11a engagement holes, 12 carriages, 13 machine frame, 14 Ink fountain unit dedicated to ticket surface Y, 14A Ink fountain unit dedicated to ticket surface Z, 15 wheels, 16 loading platform, 17 side walls, 18 with handle Cover, 19 Connecting member, 19 Support case, 20 Bar stopper, 20a Tip engagement element, 20b Small diameter part, 20c Large diameter part, 21 Rubber stopper, 22 Electric box, 23 Handle, 24 Bracket, 25 Bracket, 26a Attaching / detaching Operation selection switch, 26b Push button for ascending operation, 26c Push button for descending operation, 27 roller, 28 lifter, 29 lift table, 30 air cylinder, 31 X link, 32 pin, 33 roller, 34 rail, 35 fixed Side table, 36 Linear guide, 36a Linear guide rail, 36b Linear guide block, 37 movable table, 38a, 38b hole, 39 hole, 40 L-shaped pin (dog), 41 reflector, 42a, 42b stopper, 43a, 43b unit holder, 44 handle, 45 ink fountain roller, 46 fountain key Support base, 47 wheels, 48 bracket, 49A, 49B guide rail, 49b1 fixed rail, 49b2 movable rail, 50 fixed bolt, 50a tip screw, 50b small diameter shaft, 50c large diameter shaft, 51 engagement block, 52 bearing , 53 Support shaft, 53a Screw hole, 54 Handle, 55 Bracket, 56 pin, 57 Bolt, 58 Ink scale, 59 Bottom plate, 60 Ink fountain key, 61a to 61c Fixed key, 62 Ink fountain, 63 ink, 65 Holding bar, 66 Support pin , 67 Disc spring, 68 Key for opening / closing key , 69 motor, 70 gear mechanism, LS1 first detector for detecting the stop regulation state of the dolly, LS2 second detector for detecting the D position (downward limit) of the lift table, LS3 C position of the lift table (intermediate stop position) ) Third detector for detection, LS4 Fourth detector for detecting A position (ascending limit) of the lifting table, LS5 Fifth detector for detecting the fixed position of the movable table, LS6 Sliding position detection of the movable table A sixth detector for use.

Claims (4)

An ink fountain unit movable between a printing position and an exchange position;
A carriage positioned at a position below the exchange position and having a cradle that can be raised and lowered;
A guide member movable between a support position for supporting the ink fountain unit at the replacement position and a retracted position retracted from the support position;
An ink fountain exchanging apparatus, wherein the ink fountain unit is placed on the guide member from the cradle, or placed on the cradle from the guide member by the raising and lowering operation of the cradle.   The ink fountain exchanging apparatus according to claim 1, wherein the carriage accommodates and stores the ink fountain unit in the carriage.   The ink fountain exchanging apparatus according to claim 1, wherein the cradle moves in a direction orthogonal to a moving direction of the ink fountain unit with respect to the carriage.   2. The ink fountain changing apparatus according to claim 1, further comprising a fixed guide member for supporting the ink fountain unit.

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