JP3592802B2 - Split-plate cylinder device for rotary printing press - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a divided plate cylinder mounted between left and right frames of a printing unit of a rotary printing press.
[0002]
[Prior art]
An example of a conventional divided plate cylinder device will be described with reference to FIG. 6. Reference numeral 3 denotes a divided plate cylinder. The divided plate cylinder 3 includes a plate cylinder main body 4 for mounting a plate on an outer peripheral surface 4a, and an outer peripheral surface of the plate cylinder main body 4. A small-diameter trunk portion 5 having a smaller diameter than the outer peripheral surface 4a and a shell 6 having an outer peripheral surface 6a having the same diameter as the outer peripheral surface 4a of the plate cylinder main body 4; Is inserted so as to be able to rotate and move in the axial direction.
[0003]
A is the drive side, B is the operation side, 7 is the axis of the drive side A of the plate cylinder main body 4, 8 is the axis of the operation side B of the plate cylinder main body 4, and these axes 7, 8 are the left and right frames 19, 20 is rotatably mounted on the bearing 20 via bearings 9 and 10. The shafts 7 and 8 are attached to fitting portions 19a and 20a of left and right frames 19 and 20 via concentric bearings 11 and 12 so as to be movable in the axial direction.
[0004]
2 is a blanket cylinder, 60 is a shaft on the drive side A of the blanket cylinder 2, 61 is a shaft on the operation side B of the blanket cylinder 2, 62 is a helical gear fixed to the shaft 60, and a helical gear 62. The drive helical gear 13 meshes with the shaft 7 via the spline 13a in the rotational direction, and is slidably supported in the axial direction.
Reference numeral 15 denotes a connecting member. The connecting member 15 is inserted into the hole 8b so as not to hit the hole 8b of the shaft 8 during circumferential and axial registration.
[0005]
Reference numeral 16 denotes an adjustment shaft, and the adjustment shaft 16 is fitted into the internal hole 8a of the shaft 8 so as to be rotatable and axially movable. Then, the adjusting shaft 16 and the shell 6 are connected by the connecting member 15.
A drive helical gear 14 is rotatably engaged with the adjustment shaft 16 via a spline 14a and is movably supported in the axial direction. B meshes with a helical gear 63 fixed to a shaft 61.
[0006]
Therefore, the split plate cylinder 3 (the plate cylinder body 4 and the shell 6) has a helical gear 62 provided on the shaft 60 on the drive side A of the blanket cylinder 2 and a helical gear provided on the shaft 61 on the operation side B of the blanket cylinder 2. The gear is driven by the gear 63.
Reference numerals 17 and 17 denote drive units of the circumferential registration devices on the drive side A and the operation side B of the plate cylinder body 4 and the shell 6, and reference numerals 18 and 18 denote the drive of the axial registration devices on the drive side A and the operation side B. The connecting portions between the driving devices 17 and 17 of the circumferential register device and the driving devices 18 and 18 of the axial register device and the split cylinder 3 (the plate cylinder body 4 and the shell 6) are as follows. It is configured.
[0007]
First, a description will be given of a configuration of a connecting portion between the drive units 17 and 17 of the circumferential registering device for the plate cylinder main body 4 and the shell 6 and the split cylinder 3.
Since the configuration of the connecting portion is the same for both the driving side A and the operating side B, only one of them will be described. 21 is a bracket fixed to the frame 19 (and 20), and 24 is an axially movable An adjustment member 23 is mounted so as to enable the adjustment, a bearing interposed between the adjustment member 24 and the gear 13, and a screw 26 is screwed into a screw portion 24 a of the adjustment member 24 and rotatably supported by the bracket 21. Power transmission member.
[0008]
In the circumferential direction registering device between the plate cylinder main body 4 and the shell 6, the power transmission member 26 is rotated by the driving device 17, and this rotation is transmitted to the adjusting member 24. The driving helical gear 13 is moved in the axial direction, and on the operation side B, the adjustment shaft 24 and the driving helical gear 14 are moved in the axial direction.
At this time, the driving helical gears 13 and 14 are rotated by the helical gear 62 on the driving side A and the helical gear 63 on the operating side B, so that the circumferential direction between the plate cylinder body 4 and the shell 6 is changed. Make a registration.
[0009]
Next, a description will be given of a configuration of a connecting portion between the driving devices 18 and 18 of the axial registration device for the plate cylinder main body 4 and the shell 6 and the split cylinder 3.
Since the configuration of this connecting portion is the same for both the drive side A and the operation side B, only one of them will be described. A screw shaft 28 is provided in the internal hole 7b of the shaft 7 and the internal hole 16a of the adjustment shaft 16 via a bearing 27. Installed.
[0010]
An adjusting member 29 is screwed to the screw shaft 28 and rotatably supported by the bracket 25.
In this axial register device, the adjusting member 29 is rotated by the driving device 18 and the screw shaft 28 is moved in the axial direction so that the shaft 7 and the plate cylinder main body 4 and the adjusting shaft 16 and the shell 6 are moved in the axial direction. And the axial registration between the plate cylinder main body 4 and the shell 6 is performed.
[0011]
[Problems to be solved by the invention]
In the conventional plate cylinder device shown in FIG. 6, the shafts 7 and 8 of the plate cylinder 3 are rotatably supported by the concentric bearings 11 and 12. In many cases, the concentric bearings 11 and 12 that rotatably support the shafts 7 and 8 of the divided plate cylinder 3 are formed as eccentric bearings because the contact pressure (printing pressure) between the bearings must be adjusted. In the case of using a bearing, it is necessary to change the configuration of the connecting portion between the divided plate cylinder 3 and the drive devices 17 and 18 of the register device to a corresponding one, and to perform the register smoothly.
[0012]
The present invention has been made in view of the above-mentioned problems, and the object thereof is to (1) not only can increase the strength of the divided plate cylinder main body, but also can make the plate cylinder main body and the shell separated by a gap around the transmission member. (2) The circumferential and axial registration of the divided plate cylinders can be performed during operation and stop, and (3) The circumference can be registered. An object of the present invention is to provide a divided plate cylinder device of a rotary printing press capable of smoothly performing a registering movement in a direction and an axial direction.
[0013]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a printing press for a rotary printing press, in which a divided plate cylinder (31) is arranged between left and right frames (19, 20), It comprises a plate cylinder body (32) on which one of the left and right plates is mounted, and a shell (34) on which the other plate is mounted, and the inner hole of the shell (34) has a small diameter of the plate cylinder body (32). In a divided plate cylinder device of a rotary press, which is rotatably and axially fitted into a trunk (33), shafts (35, 36) on both sides of the plate cylinder main body (32) are connected to the left and right frames (19, 20) supports rotation and axial movement so that one of the left and right axes (35) of the coaxial (35, 36) can beLeft or rightThe shell adjusting shaft (41) is extended to the outside of the frame (19), and the shell adjusting shaft (41) is inserted into the inner hole of the same shaft (35) so as to be rotatable and axially movable. A radial notch (92) in the shell (34), extending in the direction of extension of the other shaft (35);OneA radial cutout (93) is provided in the shaft (35), the cutouts (92, 93) are opposed to each other, and a transmission member (91) is formed in each cutout (92, 93). Place and install the transmission member (91)Of the shell adjustment shaft (41)An end is fixed to the shell adjusting shaft (41), a fixing member (94) is fixed to the outer surface of the shell (34), and a key groove is provided on the upper surface of the transmission member (91). A key groove is provided on the lower surface of the transmission member (91), and the transmission member (91) and the fixing member (94) are connected by a sliding key or a linear guide (40) so as to be movable only in the axial direction (claim 1).
[0014]
2. The split plate cylinder device of a rotary printing press according to claim 1, wherein said plate cylinder body (32) is provided.SaidA drive helical gear (39) is mounted on one shaft (35) so that it can move only in the axial direction, and an adjustable helical gear (42) is mounted on the shell adjustment shaft (41) so that it can move only in the axial direction. The driving helical gear (39) is connected to the driving device (47 ') of the circumferential register of the plate cylinder body (32), and the adjusting helical gear (42) is connected to the shell in the circumferential direction. Connected to a drive (47) of a register device, the other shaft (36) of the plate cylinder body (32) is connected to a drive (84) of an axial register of the plate cylinder body (32),A shell provided to extend from an end surface of the shell (34) on the side of the one frame (19).Axis (70)TheConnected to the drive (74) of the axial register of the shell (34),Left and rightFrames (19, 20) and saidOn both sides of the plate cylinder body (32)Between the axes (35, 36)RespectivelyEccentric bearings (37, 38) may be interposed (claim 2).
[0015]
The split plate cylinder device for a rotary printing press according to claim 2,The front shell shaft (70) is movably supported along the inner surface of the one frame (19) by the rotation of the eccentric bearing (37) provided on the one frame (19). A screw shaft (73) inside the one side frame (19), which is movable along the inner surface of the frame (19) and is restricted from moving in the axial direction; ) And a bearing (72) supported by the screw shaft (73) so as to be movable in the axial direction by the rotation of the screw shaft (73). The driving device (74) of the axial registration device of the shell (34) is By rotating the screw shaft (73), the bearing (72) screwed to the screw shaft (73) is moved in the axial direction, thereby moving the shell (34) in the axial direction. Shaft (73) and screwed to the screw shaft (73) Serial The bearing (72) is movably supported along the frame (19) in response to movement along said one side of the frame (19) inner surface of the shell axis (70)(Claim 3).
[0016]
Claim 2Or to 3In the divided plate cylinder device of a rotary printing press described above, the axial registration device of the plate cylinder body (32) is configured to control the other axis (36) of the plate cylinder body (32).SecondMove axially by screw shaft (45)SaidA drive device (84), wherein the drive device (84) is fitted in the eccentric bearing (38).Said on the other sideProvided outside the frame (20)SecondThe center of the screw shaft (45) and the center of the eccentric bearing (38) may be concentric (claim 4).
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, a divided plate cylinder device of a rotary printing press according to the present invention will be described with reference to an embodiment shown in FIGS. FIG. 1 is a front view schematically showing the divided plate cylinder device, FIG. 2 is a longitudinal sectional front view showing an M portion (drive side) in FIG. 1, and FIG. 3 is a N portion (operation side) in FIG. The longitudinal side view, FIG.FIG.5 is a longitudinal sectional side view along the line XX of FIG.Of FIG.It is a vertical side view along arrow YY line. 1 to 5 and FIG. 6, the same reference numerals are used for the same parts.
[0018]
In FIG. 1, reference numeral 31 denotes a divided plate cylinder. The divided cylinder 31 includes a plate cylinder main body 32 for mounting a plate on an outer peripheral surface 32a, and a small-diameter cylinder of the plate cylinder main body 32 having a smaller diameter than the outer peripheral surface 32a of the plate cylinder main body 32. And a shell 34 having an outer peripheral surface 34a of the same diameter on the outer peripheral surface 32a of the plate cylinder main body 32. The small-diameter trunk 33 of the plate cylinder main body 32 is rotated in the inner hole 34b of the shell 34. It is inserted so that it can move in the axial direction.
[0019]
As shown in FIGS. 2 and 3, a drive-side shaft 35 of the plate cylinder main body 32 and an operation shaft 36 are rotatably supported by left and right frames 19 and 20 via bearings 9 and 10. 35 and 36 are supported by fitting portions 19a and 20a of the left and right frames 19 and 20 via eccentric bearings 37 and 38 so as to be movable in the axial direction.
2 is a driving helical gear, and the driving helical gear 62 is fixed to a driving side shaft 60 of the blanket cylinder 2 as shown in FIG. 2 is a driving helical gear that meshes with the driving helical gear 62 to rotate the divided plate cylinder 31. The driving helical gear 39 is a sliding key or a member similar to the key, for example, a linear drive shown below. The guide 40 is engaged with the shaft 35 in the rotation direction and supported movably in the axial direction.
[0020]
As shown in FIG. 4, the linear guide 40 is provided with raceways 66, 67 which are fitted into the groove 39 a of the driving helical gear 39 via a key 64 fixed to the shaft 35 and a bearing 65, as shown in FIG. The track 67 has a moving table 68 that moves on the tapered surface formed on the track 67 along the tapered surface. When the moving table 68 is moved by the bolt 69, the groove 39a is formed. The width of the linear guide 40 can be adjusted so as to be appropriately fitted to the width (see FIGS. 2, 4, and 5).
[0021]
2, 4, and 5, reference numeral 41 denotes a shell adjustment shaft. The shell adjustment shaft 41 is inserted into an inner hole of a shaft 35 extending outside the frame 19 so as to be rotatable and axially movable. An adjustment helical gear 42 is engaged with the shell adjustment shaft 41 in the rotational direction, and is slidably supported in the axial direction. A drive helical gear 42 is fitted into the grain (hub Hub) of the drive helical gear 39 so as to rotate and move in the axial direction (see FIG. 2).
[0022]
The shell adjustment shaft 41 is connected to the adjustment member 44 via the bearing and the intermediate bearing 43, and the bifurcated portion 44 a of the adjustment member 44 is fitted into the projection 43 a of the intermediate bearing 43 with a gap S therebetween, and the eccentric bearing The rotation of the shaft 37 causes the shaft 35 to move in the direction of play (gap) S, so that the movement of the shaft 35 prevents twisting between the intermediate bearing 43 and the adjusting member 44.
[0023]
The adjusting member 44 is screwed to a screw shaft 45, and the screw shaft 45 is engaged with an output shaft 47a of a driving device 47 of a circumferential register device of the shell 34 fixed to the bracket 48 by a key 46, The bracket 48 is rotatably supported via a bearing 49.
Therefore, when the screw shaft 45 is rotated by the driving device 47, the adjustment helical gear 42 moves in the axial direction (see the arrow B in FIG. 2).
[0024]
On the other hand, a transmission member 91 having a keyway 91a on the upper surface is fixed to the shell adjustment shaft 41, and the transmission member 91 is installed with a gap between the cutout 92 of the shell 34 and the cutout 93 of the shaft 35, The transmission member 91 and the fixing member 94 having the key groove 94a and fixed to the shell 34 are connected by the sliding key or the linear guide 40 (see FIG. 5).
[0025]
Reference numeral 50 denotes a connection shaft fitted into the arc groove 42a of the adjusting helical gear 42 for the purpose of axial guidance, and reference numeral 51 denotes a hub (Hub grain) of the adjusting helical gear 42 which is rotatably and axially movable. The driving helical gear 39 is connected to the moving cylinder 51 by a connecting shaft 50.
The shaft 51a of the moving cylinder 51 is supported by a bearing 53 via a bearing 52. The bearing 53 has a cut surface in which the cylinder itself is inclined with respect to the axis, and a lever 57 is provided by a pin 57 of a bracket 56 fixed to the bracket 48. The adjusting member 44 is supported by a pin shaft 58 of the lever 55, and the adjusting member 44 is screwed to the screw shaft 45.
[0026]
Accordingly, when the screw shaft 45 is rotated by the driving device 47 of the circumferential register of the shell 34, the rotation is transmitted to the screw shaft 45 → the lever 54 → the lever 55 → the bearing 53 → the bearing 53 → the moving cylinder 51 → the connecting shaft 50, and the drive is performed. Helical gear39Moves in the axial direction. 46 is a key and 49 is a bearing (see FIG. 2).Numeral 70 is a shell shaft extending from the end face of the shell 34 on the frame 19 side as shown in FIG.,sameShell axis70 moves in the axial direction via a bearing 71.
[0027]
Reference numeral 72 denotes a bearing, and the bearing 72 and the differential screw portion 72a are screwed to a screw shaft 73, and the screw shaft 73 is fixed to an output shaft 74a of a driving device 74 of an axial register device of the shell 34. The chain rotates through a chain 75, a plurality of intermediate sprocket wheels (not shown), a screw shaft 73 driven by the chain, and a sprocket wheel 76 fixed to the screw shaft 73.
[0028]
The screw shaft 73 moves along the inner side surface of the frame 19, and the axial movement of the screw shaft 73 is restrained by a presser 77. The screw shaft 73 is rotatably supported via a bearing 79 by a bearing 78 fitted into the hole 19 a of the frame 19. The guide shaft 80 fixed to the frame 19 controls the axial movement of the bearing 72 in an eccentric bearing.37 lid guide 37aAnd the guide shaft 81 is changed by the rotation of the eccentric bearing 37.Shell axisThe bearing 78 is moved in accordance with the movement of the frame 70 along the inner surface of the frame 19.
[0029]
A potentiometer 82 is attached to the bearing 78, and a detection shaft 83 fixed to the bearing 72 causes the bearing 72 to follow the bearing 72.CielThe movement position of the shaft 70 is detected. (Fig. 2)
A driving device 84 for registering the plate cylinder main body 32 in the axial direction is provided on the operation-side frame 20 shown in FIG. 3, and the gantry 85 is fixed to the frame 20, and the output shaft 84 a is fitted into the gantry 85. 49, the screw shaft 45 is rotated via the output shaft 84a and the key 46, and the adjusting member 86 screwed to the screw shaft 45 and fixed to the eccentric bearing 38 moves in the axial direction.
[0030]
The center of the screw shaft 45 is concentric with the center of the eccentric bearing 38. As described above, the driving device 47 for the circumferential registration device of the shell 34, the driving device 47 'for the circumferential registration device of the plate cylinder main body 32, and the driving device 74 for the axial registration device of the shell 34 The driving device 84 of the axial registration device of the plate cylinder main body 32, the driving helical gear 39, the adjusting helical gear 42, the shaft 36 of the plate cylinder main body 32,Shell axis(1) The registration of the plate cylinder main body 32 in the circumferential direction is performed by rotating the screw shaft 45 by the driving device 47 ′ of the circumferential register of the plate cylinder main body 32. The adjustment member 44 is moved in the axial direction (direction of arrow A), and the bearing 53, the moving cylinder 51, the connecting shaft 50, and the driving helical gear 39 are moved in the axial direction (direction of arrow B) via the levers 55 and 54. The rotation is performed by rotating the gear 39 in the circumferential direction by the inclination angle of the teeth of the gear 39, and rotating the plate cylinder main body 32 in the circumferential direction.
(2) The circumferential registration of the shell 34 is performed by rotating the screw shaft 45 by the driving device 47 of the circumferential registration device of the shell 34 and moving the adjusting member 44 in the axial direction (see arrow B). Then, the intermediate bearing 43 and the shell adjustment shaft 41 are moved in the axial direction, and the adjustment is performed by the inclination angle of the helical gear 42 so that the shell 34 is moved in the circumferential direction via the gear 42, the shell adjustment shaft 41, and the key 40. The rotation is performed.
(3) The registration of the plate cylinder main body 32 in the axial direction is performed by rotating the screw shaft 45 by the driving device 84 of the axial registration device of the plate cylinder main body 32 and moving the adjusting member 86 in the axial direction (see arrow B). This is performed by moving the eccentric bearing 38 and the shaft 36 in the axial direction.
(4) The axial registration of the shell 34 is performed by rotating the screw shaft 73 by the driving device 74 of the axial registration device of the shell 34 and moving the bearing 72 along the guide surface 37 a of the cover of the eccentric bearing 37. This is performed by moving the shell 34 in the direction (arrow B direction) and moving the axis of the shell 34 in the axial direction.
[0031]
According to the present invention, as described above, the divided plate cylinder 31 is disposed between the left and right frames 19 and 20 of the printing unit of the rotary printing press, and the divided plate cylinder 31 is mounted on one of the right and left plates. And a shell 34 on which the other plate is mounted. A split plate cylinder device of a rotary press in which an inner hole of the shell 34 is inserted into the small diameter drum 33 of the plate drum main body 32 so as to be rotatable and axially movable. , The shafts 35 and 36 on both sides of the plate cylinder main body 32 are supported by the left and right frames 19 and 20 so as to be rotatable and axially movable. While extending outward, the shell adjustment shaft 41 is inserted into the inner hole of the same shaft 35 so as to be rotatable and axially movable, and the shell adjustment shaft 41 is extended in the extension direction of the same shaft 35, A radial cutout 92 is provided in the shell 34. A radial cutout 93 is provided in the shaft 35, the cutouts 92, 93 are opposed to each other, and a transmission member 91 is placed in the cutouts 92, 93 with a gap therebetween. An inner end of the shell 91 is fixed to the shell adjustment shaft 41, a fixing member 94 is fixed to an outer surface of the shell 34, a key groove is provided on an upper surface of the transmission member 91, and a key groove is formed on a lower surface of the fixing member 94. The transmission member 91 and the fixing member 94 are connected by a sliding key or a linear guide 40 so as to be able to move only in the axial direction, and are driven to the shaft 35 on the drive side of the plate cylinder main body 32 and the shell adjustment shaft 41 by a helical gear. Since the helical gear 39 and the adjustment helical gear 42 are mounted so as to be movable only in the axial direction, the following operation is performed.
(1) “Drive”
The driving gear 62 of the blanket cylinder 2 (see FIG. 6) → the helical gear 39 of the printing cylinder main body 32 → the printing drum main body 32 rotates via the shaft 35 on the driving side of the printing cylinder main body 32, while the blanket cylinder 32 rotates. The helical gear 62 drives the helical gear 42 → the transmission member 91 → the key or linear guide 40 → the fixing member 94 of the shell adjustment shaft 41 rotates at the same speed as the plate cylinder main body 32.
(2) "Registration: a"
Driving of the plate cylinder body 32 is performed by adjusting the helical gear 39 or the shell 34 by driving the helical gear 42 in the axial direction by a lever or a screw shaft. Since the device 47 'or the driving device 47 of the circumferential register of the shell 34 is connected, the driving of the blanket cylinder 2 is performed by the helical gear 62, and the driving of the helical gear 39 or the adjustment of the shell 34 is performed by the helical gear 4. By rotating in the circumferential direction, circumferential registration is performed. At this time, the displacement of the shafts 35, 36 of the plate cylinder main body 32 caused by the rotation of the eccentric bearings 37, 38 is absorbed by "play (gap)" provided in the coupling mechanism. For example, as shown in FIG. 2, it is absorbed by the "play (gap)" S between the forked end of the adjusting member 44 and the projection of the intermediate bearing 43 fitted to the forked end.
(3) "Registration: b"
The axial registration of the shell 34 is performed by the shaft 70 of the shell 34, which is provided inside the drive side frame 19 and is displaced by the rotation of the eccentric bearing 37, and a coupling mechanism that moves together with the shell adjustment shaft 41. This coupling mechanism is driven by the drive 74 of the axial register of the shell 34.
(4) "Registration: c"
The axial registration of the printing drum main body 32 is performed by rotating the screw shaft 45 of the concentric coupling mechanism with respect to the center of the eccentric bearing 38 on the operation side by the driving device 84 of the axial registration device of the printing drum main body 32. It is done by doing.
[0032]
By means of the above (2) to (4), the coupling mechanism, the shafts 35 and 36 of the plate cylinder main body 32, and the shell adjustment shaft 41 operate smoothly without being twisted.
[0033]
【The invention's effect】
The divided plate cylinder device of the rotary printing press according to the present invention is installed in the notched portions 92 and 93 of the plate cylinder main body 32 and the shell 34 with gaps in the circumferential and axial directions and fixed to the shell adjustment shaft 41 as described above. Since the shell 34 is attached to the transmission member 91 via the sliding key or the linear guide 40, the strength of the divided plate cylinder can be increased, and the circumferential direction between the plate cylinder main body 32 and the shell 34 can be increased by the gap. It can sufficiently cover the amount of registration in the axial direction.
[0034]
(1) The registration of the plate cylinder main body 32 in the circumferential direction is performed by rotating the screw shaft 45 and moving the adjustment member 44 in the axial direction by the driving device 47 ′ of the circumferential register of the plate cylinder main body 32. Then, the bearing 53, the moving cylinder 51, the connecting shaft 50, and the driving helical gear 39 are moved in the axial direction via the lever 55 and the lever 54, and the gear 39 is circularly moved according to the inclination angle of the teeth of the gear 39. The rotation is performed in the circumferential direction, and the plate cylinder body 32 is rotated in the circumferential direction. (2) The circumferential registration of the shell 34 is performed by rotating the screw shaft 45 and moving the adjusting member 44 in the axial direction by the driving device 47 of the circumferential registration device of the shell 34, and the intermediate bearing 43. The shell adjustment shaft 41 is moved in the axial direction, and adjustment is performed by rotating the shell 34 in the circumferential direction via the gear 42, the shell adjustment shaft 41, and the key 40 by the inclination angle of the helical gear 42. Do. (3) The registration of the plate cylinder main body 32 in the axial direction is performed by rotating the screw shaft 45 and moving the adjusting member 86 in the axial direction by the driving device 84 of the axial registration device of the plate cylinder main body 32, thereby causing eccentricity. This is performed by moving the bearing 38 and the shaft 36 in the axial direction. (4) The axial registration of the shell 34 is performed by rotating the screw shaft 73 by the driving device 74 of the axial registration device of the shell 34 and moving the bearing 72 along the guide surface 37 a of the cover of the eccentric bearing 37. In the direction (arrow B direction) and by moving the axis of the shell 34 in the axial direction, the circumferential registration and the axial registration of the plate cylinder main body 32 and the shell 34 can be performed separately. These registrations can be performed during operation and during shutdown without affecting the results of each registration to other registrations.
[0035]
Also, the displacement between the shafts of the plate cylinder main body 32 and shell 34 and the shell adjustment shaft 41 due to the rotation of the eccentric bearings 37 and 38 is absorbed by a play (gap) S provided in the coupling mechanism of the registration device, and the registration is performed. The device is installed so as to move in accordance with the displacement of the shaft of the shell 34, and the center of the eccentric bearing 38 and the center of the screw shaft 45 of the register device are arranged concentrically. The movement for registration can be performed smoothly.
[Brief description of the drawings]
FIG. 1 is a front view showing an embodiment of a divided plate cylinder device of a rotary printing press according to the present invention.
FIG. 2 is a vertical sectional front view showing an M section (drive side) of FIG. 1;
FIG. 3 is a vertical sectional side view showing an N portion (operation side) of FIG. 1;
FIG. 4FIG.It is a longitudinal side view along the XX line of FIG.
FIG. 5FIG.FIG. 5 is a vertical sectional side view taken along line YY of FIG.
FIG. 6 is a longitudinal sectional front view showing an example of a divided plate cylinder device of a conventional rotary printing press.
[Explanation of symbols]
19 Drive side frame
20 Operation side frame
31 Split plate cylinder
32 plate cylinder body
33 small diameter body
34 Ciel
35, 36 Axis of plate cylinder main body 32
37, 38 Eccentric bearing
39 Drive helical gear
40 sliding key or linear guide
41 Shell adjustment axis
42 Adjusting helical gear
44 Adjusting member
45 Screw shaft of drive device 84
47 Drive for circumferential register of shell 34
47 'driving device for circumferential register of plate cylinder body 32
48 bracket
50 Connecting shaft
51 Moving cylinder
53 Bearing
54, 55 lever
64 keys
65 Bearing
66, 67 way
68 mobile platform
69 volts
70Shell axis
72 Bearing
73 Screw shaft of drive 74
74 Drive for axial register of shell 34
78 Bearing
80, 81 Guide shaft
82 potentiometer
83 detecting piece
84 Driving device for axial registration device of plate cylinder main body 32
86 Adjusting member
91 Transmission member
92, 93 Notch
94 Fixing member

Claims (4)

A divided plate cylinder (31) is arranged between left and right frames (19, 20) of a printing unit of a rotary printing press, and the divided plate cylinder (31) is attached to one of the right and left plates. 32) and a shell (34) for mounting the other plate. The inner hole of the shell (34) can be rotated and moved in the axial direction to the small diameter body (33) of the plate cylinder body (32). In the divided plate cylinder device of the rotary press inserted into the
The shafts (35, 36) on both sides of the plate cylinder body (32) are supported by the left and right frames (19, 20) so as to be rotatable and axially movable. Of the shaft (35) is extended outside the frame (19) on one of the left and right sides, and the shell adjustment shaft (41) can be rotated and axially moved in the inner hole of the same shaft (35). And the shell adjustment shaft (41) is extended in the extension direction of the same shaft (35), a radial cutout (92) is provided in the shell (34), and the one shaft (35) is provided. ) Are provided with radial cutouts (93), the cutouts (92, 93) are opposed to each other, and a transmission member (91) is placed in each cutout (92, 93) with a gap. Te, the shell adjusting shaft (41) side said end shell adjusting shaft of the transmission member (91) ( 1), a fixing member (94) is fixed to an outer surface of the shell (34), a key groove is provided on an upper surface of the transmission member (91), and a key groove is provided on a lower surface of the fixing member (94). And a transmission plate (91) and a fixing member (94) connected by a sliding key or a linear guide (40) so as to be movable only in the axial direction. The plate cylinder body (32) is the one driven shaft (35) of the mounted for only axial movement of the helical gear (39), wherein the adjusting helical gear shell adjusting shaft (41) (42) Is mounted so that it can be moved only in the axial direction, and the driving helical gear (39) is connected to the driving device (47 ') of the circumferential register of the plate cylinder body (32), and the adjusting helical gear is (42) is connected to the drive (47) of the shell register in the circumferential direction, and the other shaft (36) of the plate cylinder body (32) is connected to the axial register of the plate cylinder body (32). coupled to a drive device (84), the one side of the frame (19) side of the shell shaft provided extending from the end face (70) an axial register apparatus of the shell (34) of the shell (34) And the left and right frames (19, 20) and the plate cylinder Split plate cylinder apparatus of a rotary printing machine according to claim 1, wherein the interposed respectively eccentric bearing (37, 38) between the opposite sides of the axis (35, 36) of the body (32). The shell shaft (70) is movably supported along the inner surface of the one frame (19) by the rotation of the eccentric bearing (37) provided on the one frame (19),
Inside the one side frame (19), a screw shaft (73) movable along the inner surface of the frame (19) and restrained from moving in the axial direction, and the screw shaft (73) And a bearing (72) supported by the screw shaft (73) so as to be axially movable by rotation of the screw shaft (73).
The driving device (74) of the axial registration device of the shell (34) rotates the screw shaft (73) to axially move the bearing (72) screwed to the screw shaft (73). Moving, thereby moving said shell (34) axially;
The screw shaft (73) and the bearing (72) screwed to the screw shaft (73) are adapted to move the shell shaft (70) along the inner surface of the frame (19) on one side of the frame. The split plate cylinder device of a rotary printing press according to claim 2, wherein the split plate cylinder device is supported so as to be movable along (19) . Said plate axially register apparatus of the cylinder body (32), said driving device for moving in the axial direction by the plate other shaft (36) of the second screw shaft of the trunk body (32) (45) (84) The drive device (84) is provided outside the frame (20) on the other side where the eccentric bearing (38) is fitted, and the center of the second screw shaft (45) and the eccentric bearing (38) are provided. 4. The divided plate cylinder device of a rotary printing press according to claim 2, wherein the center of the divided plate cylinder is concentric with the center of the rotary printing press.

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