JP4144006B2 - Printing machine split roll - Google Patents

Description

  The present invention reciprocally vibrates between a roll on the ink fountain side (hereinafter referred to as “fanten roll”) and a roll on the plate side (hereinafter referred to as “kneading roll”) of the printing press, and ink is transferred from the fountain roll to the kneading roll. The present invention relates to an ink calling roll for transferring the ink.

As an ink calling roll, (a) a plurality of support members arranged in a pearl connection are supported by being slidably supported in a direction perpendicular to the axis of the support member formed by a shaft rod having a non-circular cross section. A plurality of movable members are fitted on the outer periphery, and the peripheral surface of the entire roll is constituted by the peripheral surfaces of the plurality of cylindrical bodies rotatably supported around the axis of the support member by the movable members. B) A plurality of drive devices for individually driving each movable member in a direction perpendicular to the axis of the support member are incorporated in the support member. (C) The number of drive devices is the same as the number of movable members. It is composed of a cylinder and the same number of return springs, a flow pipe that transmits pressure to each cylinder, and a plurality of switching devices according to the number of movable members that switch the transmission of pressure to each cylinder. , Support part The piston is fitted into a cylindrical recess provided in the material, and (e) a return spring is connected to the cylindrical recess provided in the support member in a direction opposite to the cylindrical recess of the cylinder via a tappet, A printing press split roll configured to urge the movable member in a direction opposite to the operation direction of the piston is known (for example, see Patent Document 1). In this printing press split roll, (f) the support member is formed of a square shaft rod, the flow pipe is provided in the support member in the axial direction, and the support member is also used as the flow pipe. A rectangular cross-section through-hole in which the support member contacts and fits in the center of the short cylindrical member and a square-section through-hole in which the switching device is loosely fitted are drilled without partitioning them. It is publicly known to constitute the member (see, for example, Patent Document 2). In the printing machine split roll,
3 port solenoid valve (3 ports) which has 3 air access holes (ports) and can be opened and closed selectively by some solenoid air on / off operations. (Also referred to as a solenoid valve) applied to the switching device, and (ii) when some of the air inlet / outlet holes are opened, the piston drives the movable member against the return spring, and the other part of the air inlet / outlet holes It is known that when the is opened, the piston is released so that the movable member is pushed back by the return spring (see, for example, Patent Document 3). Also, (c) A cylinder is used instead of a return spring, and two cylinders, one set for each movable member, are provided on the support member by dividing them into two opposite surfaces. , (Le) 5 ports with 5 air inlet / outlets (ports) that can be selectively switched between opening and closing of some air inlet / outlets and other air inlet / outlet by solenoid on / off operation Apply a solenoid valve (also referred to as a 5-port solenoid valve) to the switching device, and (e) selectively operate the pistons of each of the two cylinders, each of which is a set of two. A printing press split roll that reciprocally vibrates above is known (see, for example, Patent Document 3).
JP-A-60-38160, FIGS. 1 and 3). Japanese Patent No. 2866997 (Claims, FIG. 3). JP-A-11-320840 (0004, FIG. 4, and 0010, 0013, 0014, FIG. 3).

  In the above-mentioned printing press split roll, switching devices such as a 3-port solenoid valve and a 5-port solenoid valve are arranged in a straight line parallel to the axis of the support member, and constitute a peripheral surface of the entire split roll. Each of the divided cylinders (hereinafter referred to as a divided unit roll) is configured to reciprocate between the phantom roll and the kneading roll by operating one corresponding switching device. For this reason, the width | variety of a division | segmentation unit roll is restrict | limited by the dimension of the switching apparatus arrange | positioned on a straight line along the axial center of a supporting member, The width | variety cannot be made narrower than the dimension of a switching apparatus.

  However, the effect of the divided roll is divided into a number of divided unit rolls in the axial direction, and a part of the phantom roll corresponding to a part of the kneaded roll is applied to a part of the kneaded roll with a reduced ink coating amount. Therefore, the division unit roll corresponding to a part thereof can receive and supply ink, that is, the position corresponds to the image drawn on the printing plate and consumes ink, and the amount of ink consumption increases. The ink can be supplied to only a part of the roll according to the consumption amount. In this regard, the conventional utility roll in which the width of the split unit roll is limited depending on the dimensions of the switching device does not sufficiently exhibit its original utility. SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to reduce the width of a divided unit roll without being restricted by the dimensions of the switching device, and to increase the utility expected of the divided roll.

The split roll according to the present invention is (a) externally fitted to a support member 15 formed of a shaft rod having a non-circular cross section, and is supported so as to be slidable in a direction 20 orthogonal to the axis 10 to form a pearl joint. A plurality of movable members 16 arranged on a large number of support members are fitted onto the respective movable members 16 and rolled by the peripheral surfaces of a plurality of cylindrical bodies 17 supported by the movable members 16 so as to be rotatable around the axis 10 of the support members. The entire peripheral surface (23) is configured, and a plurality of driving devices that individually drive each movable member 16 in a direction 20 perpendicular to the axis of the supporting member is incorporated in the supporting member 15 ( b)
The drive device includes a plurality of cylinders 21 (22) corresponding to the number of movable members, a flow pipe 18 that transmits pressure to each cylinder 21 (22), and transmission of pressure to each cylinder 21 (22). (C) The plurality of switching devices 11 and 12 (13 and 14) are cross sections of the support member. The support member 15 that borders the four sides of the support member 15 is attached to the support member 15 by being divided into at least two of the front surface, the flat surface, the back surface, and the bottom surface, and is movable in a direction parallel to the axis of the support member The width of each cylindrical body supported by each of the movable members is narrower than the total dimension in the direction parallel to the axis of the supporting members of all the switching devices arranged for each movable member, and (d) the cylinders 21 (22 ) But the support That the cylindrical recess 19 provided in the 15 is constituted by fitting the piston 29 and the first feature.

  The second feature of the split roll according to the present invention is that, in addition to the first feature described above, (e) a front surface, a flat surface, and a rear surface in which the plurality of switching devices 11 and 12 border the four sides of the cross section of the support member 15. It is that it is attached to the support member 15 by being divided into two surfaces which are opposite to each other among the four surfaces of the bottom surface and the bottom surface.

  The third feature of the split roll according to the present invention is that, in addition to the second feature, (f) two cylinders 21 and 22 for one movable member 16 are provided in the direction in which the piston 29 operates. 20 is provided in opposite directions, and is provided on two surfaces of the support member 15 that are opposite to each other. (G) A plurality of switching devices 11 and 12 are arranged between the front surface, the flat surface, the back surface, and the bottom surface of the support member. The two surfaces are opposite to each other in the surface, and are divided into two surfaces different from the two surfaces on which the cylinders 21 and 22 are provided, and are attached to the support member 15.

  The fourth feature of the split roll according to the present invention is that, in addition to the second feature, (h) the driving device for driving each movable member 16 is constituted by a cylinder 21 and a return spring 28, and (i) The cylinder 21 and the return spring 28 are separately provided on two surfaces of the support member 15 that are opposite to each other in the operation direction 20 of the piston 29 of the cylinder 21. (j) A cylinder 21a that drives the movable member 16a, a cylinder 21b that drives the other movable member 16b, a return spring 28a that is arranged on the support member 15 and drives the adjacent movable member 16a, and the other movable member 16b. The return springs 28b to be driven are opposite to each other. (K) The plurality of switching devices 11 and 12 are connected to the front surface and the flat surface of the support member. The two surfaces of the four surfaces of the surface and the bottom surface, which are opposite to each other, are divided into two surfaces different from the two surfaces on which the cylinder 21 and the return spring 28 are provided, and are attached to the support member 15. There is in point.

  The fifth feature of the split roll according to the present invention is that, in addition to any of the first, second, third and fourth features, (l) a fitting groove which continues parallel to the shaft core 10 of the support member 31 (32, 33, 34) is provided on the support member 15, and (m) the switching device 11 (12, 13, 14) is fitted in the fitting groove 31 (32, 33, 34). It is in.

  A sixth feature of the split roll according to the present invention is that, in addition to any of the first, second, third, fourth and fifth features, (n) an axial direction attached to the support member 15 Switching devices 11a, 11b, 11c,... Arranged next to each other are fixed to the support member 15 by a pressing plate 27, and (o) a flow pipe 18 that transmits pressure to the cylinder 21 (22) is a pressing plate. 27, and the presser plate 27 also has the flow pipe 18.

  According to the present invention (Claim 1), the switching devices 11 and 12 (13 and 14) are arranged separately on at least two straight lines parallel to the axis 10 of the support member, and on each straight line. The total of the dimensions of the plurality of switching devices 11a, 11b, 11c,... Arranged smaller than that in the case where all the switching devices are arranged on one straight line is divided accordingly. The width W of the unit roll 17 can be reduced.

  According to the present invention (Claim 2), the switching devices 11 and 12 are disposed symmetrically with respect to the axis 10 of the support member so that the cross-sectional structure of the support member is simplified. Becomes easier to manufacture, and the manufacturing accuracy of the split roll 23 is improved.

  According to the present invention (Claim 3), the forward and backward movements of the divided unit roll 17 toward the kneading roll 25 and the phantom roll 26 are positively performed by the cylinders 21 and 22 that are operated in opposite directions. Responsive to changes in the amount of ink consumed, the amount of ink supplied from the kneading roll 25 to the phantom roll 26 can be finely controlled.

  According to the present invention (Claim 4), the cylinders 21 and 22 and the return springs 28 that are less bulky than the cylinders are alternately arranged in the axial direction 10 of the support member. The dimension L between (22a) and the cylinder 21b (22b) can be narrowed within the range of the dimension S of the switching device, and the width W of the split unit roll can be further narrowed.

  According to the present invention (Claim 5), a plurality of switching devices 11a, 11b, 11c,... Are fitted into the fitting grooves 31 (32, 33, 34), gathered along the fitting grooves, It can be compactly attached to the support member 15 at a predetermined interval, and the width W of the split unit roll is easily reduced within the range of the dimension S of the switching device.

  According to the present invention (Claim 6), there is no need to pierce the flow pipe 18 in the support member 15, the fitting groove 31 can be deepened, and the switching device 11 can be deeply attached to the support member 15. Since the flow pipe 18 is drilled in the presser plate 27 having a lower volume than 15, the drilling work is easy. Further, since the cylinders 21 and 22 and the flow pipe 18 are connected outside the support member 15 where they are exposed, the connection work is facilitated.

  Air cylinder and hydraulic cylinder can be applied to the cylinder. Hereinafter, the present invention will be specifically described with a split roll 23 to which an air cylinder is applied. The switching devices 11 and 12 (13 and 14) include a 3-port solenoid valve described in Patent Document 3 (for example, a small direct acting 3-port solenoid valve V060 series manufactured by SMC) and a 5-port solenoid valve (for example, Koganei). 010-4E1 series).

  1 and 2 show that each of the cylinders 21 and 22 provided on the front surface and the back surface of the support member 15 with the operating direction 20 of the piston 29 in the reverse direction has one 3-port solenoid valve ( 11 · 12 · 13 · 14) illustrates a double cylinder type split roll. The support member 15 is provided with right-angle fitting grooves 31, 32, 33, and 34 in which the four corners of the rectangular cross-sectional saddle member are cut at right angles and the groove wall surfaces for fitting the three-port solenoid valve are orthogonal to each other. ing. Cylindrical recesses 19 for mounting the pistons 29 are provided on the front and back surfaces of the support member 15. The support member 15 includes a flow pipe 18 penetrating along the axis 10, a branch pipe 35 extending from the flow pipe 18 to each of the 3-port solenoid valves 11, 12, 13, 14, and the 3-port solenoid valve 11. Branch pipes 36 are drilled from 12, 13, 14 to cylinders 21, 22. The movable member 16 is configured by drilling a rectangular opening penetrating through the center of the short cylindrical member, and the upper surface and the lower surface of the opening are in sliding contact with the flat surface and the bottom surface of the support member 15. When the pistons 29 and 29 of the cylinders 21 and 22 which are opposite to each other on the left and right side surfaces of the opening are operated, the movable member 16 reciprocates in a direction 20 perpendicular to the axis of the support member. The split unit roll 17 is rotatably supported by the movable member 16 via a bearing 26.

  In the split roll shown in FIG. 1, the three-port solenoid valves 11 and 12 are mounted in the fitting grooves 31 and 33 at the two corners positioned diagonally on the rectangular cross section of the support member 15. As described above, the width of the double cylinder type split unit roll in which the three-port solenoid valve is mounted in two directions is such that each movable member described in Patent Documents 1 and 2 is composed of one cylinder and one return spring. The dimensions of the three-port solenoid valves 11 and 12 are substantially the same as the width of a single cylinder type split unit roll that reciprocates. Therefore, according to the present invention, the number of cylinders that drive one movable member can be changed from one (single cylinder type) to two (double cylinder type) without changing the width of the divided unit roll 17. (FIG. 1).

  In the split roll 23 shown in FIG. 2, three-port solenoid valves are mounted in the fitting grooves 31, 32, 33, and 34 at the four corners of the support member. The mounting positions of the three-port solenoid valves 11, 12, 13, 14 mounted in the four corners in the axial direction 10 are shifted by a quarter of the dimension S of the solenoid valve. A plurality of adjacent three-port solenoid valves fitted in 32, 33, and 34 are in close contact with each other. For this reason, the width W of the double cylinder type split unit roll 17 on which the three-port solenoid valve is mounted in four corners, that is, in four directions, is substantially half the dimension S of the three-port solenoid valve.

  3 to 7 illustrate a double cylinder type split roll 23 using 5-port solenoid valves 11 and 12. The support member 15 has rectangular cross-section fitting grooves 31 and 32 into which the 5-port solenoid valves 11 and 12 are fitted in parallel to the shaft core 10 on the flat and bottom surfaces of the rectangular cross-section saddle, and the front and back surfaces thereof are provided. A cylindrical recess 19 for mounting the piston 29 is provided, and a branch pipe 36 for transmitting atmospheric pressure from a 5-port solenoid valve to the cylinder is formed. Each 5-port solenoid valve 11 mounted in the upper insertion groove 31 and each 5-port solenoid valve 12 mounted in the lower insertion groove 32 support the support member so that the operation direction 20 of the piston 29 is reversed. 15 are connected to a pair of cylinders 21 and 22 provided on the front surface and the back surface, respectively, and the two cylinders 21 and 22 that are a set of two are selectively operated. The movable member 16 is formed with a rectangular opening in the center of the rectangular cylindrical member, and provided with fitting grooves 30 and 30 on the left and right side surfaces of the supporting member 15 so that the front surface and the back surface are in sliding contact with each other. Configured. The split unit roll 17 is rotatably supported by the movable member 16 via a bearing 26. When the pistons 29 and 29 that are selectively driven in and out from the cylinders 21 and 22 act alternately on the groove bottom surfaces 37 of the left and right fitting grooves 30 of the movable member 16 attached to the support member 15, the movable member 16 is Oscillates in the direction 20 orthogonal to the axis 10 of the support member. The 5-port solenoid valves 11 and 12 fitted in the fitting grooves 31 and 32 are fixed by the pressing plate 27. The presser plate 27 is provided with a through-flow pipe 18 that is connected to a 5-port solenoid valve arranged in parallel with the axis 10 of the support member 15.

  The mounting positions in the axial direction 10 of the 5-port solenoid valves 11a, 11b, 11c,... Mounted in the upper insertion groove 31 and aligned in a straight line and the lower insertion groove 32 are straightened. The mounting positions of the 5-port solenoid valves 12a, 12b, 12c,... Aligned in the line in the axial direction 10 are shifted by about one half of the dimension S of the 5-port solenoid valves. The 5-port solenoid valve 11 and the lower 5-port solenoid valve 12 are alternately arranged in a staggered pattern (FIG. 7). Each of the 5-port solenoid valves 11 and 12 alternatively operates two cylinders 21 and 22 that form a pair of two pistons whose operating directions are opposite to each other. For this reason, the width W of the split unit roll 17 of the double cylinder type split roll 23 shown in FIGS. 3 to 7 is substantially half of the dimension S of the 5-port solenoid valve.

  FIG. 8 shows that the return spring 28 moves the movable member 16 in the direction of operation of the piston 29 of the cylinder via a tappet 39 in a cylindrical recess 38 provided in the support member in the direction opposite to the cylindrical recess 19 of the cylinder. The shaft core part of the split cylinder of a single cylinder type comprised so that it may urge in reverse direction is illustrated. That is, the split rolls shown in FIG. 8 include every other cylinder in the cylinders 21a, 21b, 21c, 21d,... Arranged on the front side of the split rolls shown in FIGS. In place of every other cylinder (22) in the cylinders (22, 22, 22...) Arranged in a row, a return spring 28 for pressing the groove bottom surface 37 of the fitting groove 30 of the movable member is applied. . Cylindrical recesses 19 for mounting the pistons 29 and cylindrical recesses 38 for mounting the return springs 28 are formed in the support member 15 alternately in the axial direction 10. Each return spring 28 is back-to-back with the cylinder 21 (22) on the front side and the back side of the support member, and urges the movable member 16 in the direction opposite to the piston 29 of the cylinder. For this reason, the movable member 16 pushed out by the piston 29 of the cylinder is pushed back by the return spring 28. Therefore, a 3-port solenoid valve is used for the split roll shown in FIG. 8, and a 5-port solenoid valve is not applied. Since the three-port solenoid valves 11 and 12 for operating the cylinders 21 and 22 arranged in the opposite directions are divided into upper and lower parts and attached to the support member 15, even a single cylinder type split roll, The width W of the divided unit roll 17 can be made substantially half of the dimension S of the three-port solenoid valves 11 and 12.

  The material of the movable member 16 is a high-strength material such as an aluminum alloy, duralumin, or a magnesium alloy. The material of the support member 15 and the holding plate 27 is carbon steel, chromium molybdenum steel, nickel chrome steel, manganese chrome steel, and chrome steel with guaranteed hardenability, and the micro Vickers hardness is 500 or more by performing a quenching process. To do. Further, the movable member 16 and the support member 15 are subjected to a hard film treatment with electroless composite plating or tetrafluoride resin using NI · P as a matrix. By doing so, the sliding between the movable member 16 and the support member 15 is good, it is difficult to wear, the load of the piston 29 acting on the movable member 16 can be reduced, and the cylinders 21 and 22 are downsized to support the support member. The strength of 15 can be maintained, the power consumption of the compressor driving the piston 29 (cylinders 21 and 22) can be reduced, and the split roll 23 can be made lighter and easier to handle.

It is sectional drawing of the division | segmentation roll which concerns on this invention. It is a see-through | perspective perspective view of the division | segmentation roll which concerns on this invention. It is sectional drawing of the division | segmentation roll which concerns on this invention. It is a perspective view of the division | segmentation roll which concerns on this invention. It is a perspective view of the supporting member of the division | segmentation roll which concerns on this invention. It is a perspective view of the axial core part of the division | segmentation roll which concerns on this invention. It is an arrangement | positioning perspective view of the switching apparatus of the split roll which concerns on this invention. It is a perspective view of the axial core part of the division | segmentation roll which concerns on this invention.

Explanation of symbols

10: Shaft core 11, 12, 13, 14: Switching device (solenoid valve)
15: Support member 16: Movable member 17: Split unit roll (cylinder)
18: Distribution pipe 19: Cylindrical recessed part 20: Orthogonal direction (piston operating direction)
21.22: Cylinder 23: Split roll 24: Kneading roll 25: Phantom roll 26: Bearing 27: Holding plate 28: Return spring 29: Piston 30: Fitting groove 31, 32, 33, 34: Fitting groove 35: Branch Pipe 36: Branch pipe 37: Groove bottom 38: Cylindrical recess 39: Tappet

Claims (6)

(A) Fits externally on a support member (15) constituted by a shaft rod having a non-circular cross section, and is supported so as to be slidable in a direction (20) perpendicular to the axis (10), and is supported in a number of pearls. A plurality of cylinders (17) externally fitted to a plurality of movable members (16) arranged in the member and supported by the movable member (16) so as to be rotatable around the axis (10) of the support member. ) Constitutes the peripheral surface of the entire roll (23), and a plurality of drive devices for individually driving each movable member (16) in the direction (20) perpendicular to the axis of the support member. In the split roll (23) of the printing press incorporated in the support member (15), (b) the drive device includes a plurality of cylinders (21, 22) corresponding to the number of movable members, and each cylinder (21 22) Distribution pipe (18) for transmitting pressure to each and each silin -Consists of a plurality of switching devices (11, 12, 13, 14) corresponding to the number of movable members (16) that switch the transmission of pressure to (21, 22), and (c) the plurality of switching devices. Is attached to the support member (15) by being divided into at least two of the front, plane, back and bottom surfaces of the support member (15) that borders the four sides of the cross section of the support member. The width of each cylinder supported by the movable member in the direction parallel to the axis of the switch is narrower than the total dimension in the direction parallel to the axis of the support member of all switching devices arranged for each movable member. , (d) those of the cylinder (21, 22), press divided rolls that are configured by fitting the piston (29) in a cylindrical recess formed in the support member (15) (19). (E) The plurality of switching devices (11, 12) are divided into two surfaces that are opposite to each other among the four surfaces of the front surface, the flat surface, the back surface, and the bottom surface that border the four sides of the support member (15). The printing press dividing roll according to claim 1, wherein the printing member dividing roll is attached to the support member (15). (F) A pair of cylinders (21, 22) for one movable member (16) makes the operating direction (20) of the piston (29) opposite to each other, and the support members (15) are mutually connected. (G) The plurality of switching devices (11, 12) are opposite to each other among the four surfaces of the front surface, the flat surface, the back surface, and the bottom surface of the support member. 3. The printing press dividing roll according to claim 2, wherein the printing roll is divided into two faces different from the two faces on which the cylinders (21, 22) are provided, and is attached to the support member (15). (H) A driving device for driving each movable member (16) is constituted by a cylinder (21) and a return spring (28). (I) The cylinder (21) and the return spring (28) are connected to the cylinder (21). The piston (29) is provided separately on two surfaces of the support member (15) that are opposite to each other in the operation direction (20). (J) One of the movable members arranged adjacent to the support member (15) A cylinder (21a) for driving the member (16a), a cylinder (21b) for driving the other movable member (16b), and one adjacent movable member (16a) arranged on the support member (15) are driven. The return spring (28a) and the return spring (28b) for driving the other movable member (16b) are opposite to each other, and (k) a plurality of switching devices (11, 12) are supported Two surfaces which are opposite to each other among the four surfaces of the front surface, the plane, the back surface and the bottom surface of the material, which are different from the two surfaces where the cylinder (21) and the return spring (28) are provided. The printing press dividing roll according to claim 2, which is divided and attached to the support member (15). (L) Insertion grooves (31, 32, 33, and 34) extending parallel to the shaft core (10) of the support member are provided in the support member (15), and (m) the insertion grooves (31 and 32). 5. The printing press dividing roll according to claim 1, 2, 3 and 4, wherein the switching device (11, 12, 13, 14) is fitted in the 33, 34). (N) The switching devices (11a, 11b, 11c,...) Attached to the support member (15) and arranged next to each other in the axial direction (10) are fixed to the support member (15) by the pressing plate (27). (O) A flow pipe (18) for transmitting pressure to the cylinders (21, 22) is formed on the pressure plate (27), and the pressure plate (27) also serves as the flow pipe (18). The printing press dividing roll according to claim 1, claim 2, claim 3, claim 4 and claim 5.

Images