Ink path clutch mechanism of offset press
Technical Field
The invention relates to the technical field of offset presses, in particular to an ink path clutch mechanism of an offset press.
Background
If the current domestic offset press is a 5-color press, the current domestic offset press is used for printing 5-color presses, when the current domestic offset press is used for printing 4 colors, or 3 colors, or 2 colors, or 1 color, ink rubber rollers without printing color groups are idle, a plurality of rubber rollers are installed together, and simultaneously have rolling friction and sliding friction, heat generated by friction cannot be taken away due to no ink transmission on the rubber rollers, so that the temperature of the rubber rollers is increased, the rubber rollers are easy to age and wear, the service life of the rubber rollers is shortened, and meanwhile, the invalid wear of parts of the whole ink circuit and the waste of electricity for equipment can be caused.
Disclosure of Invention
The present invention is directed to an ink path clutch mechanism of an offset printing press to solve the above problems.
In order to achieve the aim, the ink path clutch mechanism of the offset press comprises a positioning device, wherein an ink rubber roller is arranged on the upper side of the positioning device, an ink clutch mechanism is arranged on one side of the ink rubber roller, and a driven part is connected to one side of the ink clutch mechanism;
the positioning device comprises an installation plate, and a driving gear is fixedly installed at the position, close to the upper end, of the printing ink rubber roller;
the printing ink clutch mechanism comprises a lower driving device and an upper moving device arranged at the upper end of the lower driving device, a moving adjusting device used for driving the upper moving device to move is arranged in the lower driving device and the upper moving device, the lower driving device comprises a positioning gear, the upper moving device comprises a moving gear, the side wall between the positioning gear and the ring is fixedly connected with a ring, the two rings are mutually embedded, the moving gear is meshed with a driving gear, the moving adjusting device comprises a limiting device and a driving device arranged at the upper end of the limiting device, the upper end of the driving device is provided with an air cylinder, the limiting device comprises a bottom connecting plate connected with the upper side of the mounting plate through screws, the upper end of the bottom connecting plate is fixedly connected with a limiting rotating shaft which is rotatably inserted on the moving gear and the positioning gear, and the driving device comprises a connecting shaft, the bottom end of the connecting shaft is fixedly connected with an insertion pipe inserted in the limiting rotating shaft in a sliding manner, and the upper end of the connecting shaft is fixedly connected with a piston rod of the air cylinder;
the driven part comprises a driven shaft, a driven gear and an intermediate wheel, wherein the driven gear and the intermediate wheel are fixed at two ends of the driven shaft, and the driven gear is meshed with the positioning gear.
As a further improvement of the technical scheme, a connecting ring is sleeved on the connecting shaft, an upper connecting pipe sleeved on the limiting rotating shaft is fixedly connected to the movable gear, a fixing groove is formed in the driving device, and the connecting ring is connected to the fixing groove through a screw.
As a further improvement of the technical scheme, the insertion tube is sleeved with a limiting tube, snap rings are arranged on the upper side and the lower side of the limiting tube respectively, the limiting tube is sleeved at the upper end of the limiting rotating shaft, and the limiting tube is arranged between the movable gear and the positioning gear.
As a further improvement of the technical scheme, the position cover that the limiting rotation shaft is close to the bottom connecting plate is provided with two bearing rings, two bearing rings are arranged between the bearing rings and sleeved on the limiting rotation shaft, and the outer side walls of the bearing rings are respectively in contact with the positioning gear and the inner wall of the embedded ring fixed on the upper side of the positioning gear.
As a further improvement of the technical scheme, a fixed spiral ring in threaded connection with the limiting rotating shaft is arranged on the upper side of the bearing, and a clamping spiral ring for clamping the position of the connecting ring is in threaded connection with the position, close to the upper end, of the connecting shaft.
As a further improvement of this technical scheme, the upside that goes up mobile device is provided with the mount, the mount includes the lantern ring, the outside at last connecting pipe is established to the lantern ring cover, the upper end screwed connection of the lantern ring has the cylinder mount, cylinder screwed connection is at the upside of cylinder mount, the piston rod of cylinder runs through the cylinder mount and extends down.
As a further improvement of the technical scheme, a plurality of fixing support legs are fixedly connected to the outer side wall of the lantern ring in an annular arrangement mode, fixing rods corresponding to the fixing support legs are fixedly connected to the upper side of the mounting plate in an annular arrangement mode, and the fixing support legs are fixed on the fixing rods through screws.
As a further improvement of the technical scheme, the upper end of the limiting device is provided with a limiting sleeve, one end of the limiting sleeve is inserted between the upper connecting pipe and the lantern ring, and the bottom of the limiting sleeve is connected to the bottom of the lantern ring through a screw.
As a further improvement of the technical scheme, a roller hole is formed in one side, close to the fixed rod, of the mounting plate, a fixed bearing is installed on the ink rubber roller, and the fixed bearing is installed inside the roller hole.
As a further improvement of the technical scheme, the embedded blocks on the two embedded rings are all in uneven annular arrangement.
Compared with the prior art, the invention has the beneficial effects that:
1. in the ink path clutch mechanism of the offset press, the flow of ink in the ink path is controlled by controlling the separation of the upper moving device and the lower driving device, so that when the ink driven by the driven part is not needed, the flow of the ink is controlled by controlling the ink clutch mechanism, the ink does not enter the ink rubber roller, the ink rubber roller stops idle running, the friction between the ink rubber roller and paper is avoided, the abrasion caused by the friction of the ink rubber roller is avoided, and the service life of the ink rubber roller is prolonged.
2. In this offset press's ink path clutching mechanism, drive device and cylinder through setting up are connected, when making the piston rod of cylinder remove, will go up the mobile device through driving the drive device and drive the removal to accomplish the separation of drive arrangement and last mobile device under the control, drive device carries on spacingly to the position of going up the mobile device simultaneously, avoids the cylinder to drive the mobile device shift position excessively and leads to the unable normal motion of mobile device, guarantees to go up the connection of mobile device and lower drive arrangement.
3. In the ink path clutch mechanism of the offset press, the embedded blocks of the embedded rings on the lower driving device and the upper moving device are arranged in an uneven shape, so that the lower driving device and the upper moving device are connected at the same position, the wear of the embedded rings is reduced, and the service life of the embedded rings is prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a positioning apparatus according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of an ink clutch mechanism according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural diagram of a lower driving device according to embodiment 1 of the present invention;
fig. 5 is a schematic structural view of an upper moving device according to embodiment 1 of the present invention;
FIG. 6 is a schematic structural diagram of a movement adjustment device according to embodiment 1 of the present invention;
fig. 7 is a schematic structural view of a limiting device in embodiment 1 of the present invention;
FIG. 8 is a schematic structural diagram of a driving apparatus according to embodiment 1 of the present invention;
fig. 9 is a schematic structural view of a fixing frame according to embodiment 1 of the present invention;
fig. 10 is a schematic structural view of a driven member in embodiment 1 of the present invention.
The various reference numbers in the figures mean:
1. a positioning device; 11. mounting a plate; 12. roll holes; 13. fixing the rod;
2. an ink roller; 21. a driving gear; 22. fixing the bearing;
3. an ink clutch mechanism;
31. a lower drive device; 311. positioning a gear; 312. embedding a ring;
32. an upper moving device; 321. a moving gear; 322. an upper connecting pipe; 323. fixing grooves;
33. moving the adjusting device;
331. a limiting device; 3311. a bottom connection plate; 3312. limiting the rotating shaft; 3313. a bearing is received; 3314. fixing the spiro ring; 3315. a bearing ring;
332. a driving device; 3321. a connecting shaft; 3322. inserting a tube; 3323. a limiting pipe; 3324. clamping the spiral ring;
333. a cylinder;
334. a connecting ring;
335. a limiting sleeve;
34. a fixed mount; 341. a collar; 342. a fixed leg; 343. a cylinder fixing frame;
4. a driven member; 41. a driven shaft; 42. a driven gear; 43. an intermediate wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Referring to fig. 1 to 10, an ink path clutch mechanism of an offset printing press is provided, which includes a positioning device 1, an ink roller 2 is disposed on an upper side of the positioning device 1, an ink clutch mechanism 3 is disposed on one side of the ink roller 2, and a driven member 4 is connected to one side of the ink clutch mechanism 3;
the positioning device 1 comprises an installation plate 11, and a driving gear 21 is fixedly installed at the position, close to the upper end, of the ink rubber roller 2;
a roller hole 12 is formed in one side, close to the fixed rod 13, of the mounting plate 11, a fixed bearing 22 is installed on the ink rubber roller 2, and the fixed bearing 22 is installed inside the roller hole 12; the rotating position of the ink rubber roller 2 is fixed through the fixed bearing 22, and when the rotating stability of the ink rubber roller 2 is ensured, the rotating friction force of the ink rubber roller 2 is reduced, so that the ink rubber roller 2 is convenient to rotate;
the ink clutch mechanism 3 comprises a lower driving device 31 and an upper moving device 32 arranged at the upper end of the lower driving device 31, and a movement adjusting device 33 for driving the upper moving device 32 to move is arranged inside the lower driving device 31 and the upper moving device 32;
the lower driving device 31 comprises a positioning gear 311, the upper moving device 32 comprises a moving gear 321, the side walls between the positioning gear 311 and the embedded rings 312 are fixedly connected with the embedded rings 312, the two embedded rings 312 are mutually embedded, the moving gear 321 is meshed with the driving gear 21, and the embedded blocks on the two embedded rings 312 are all in uneven annular arrangement; the lower driving device 31 and the upper moving device 32 are connected together by the mutual meshing of the two embedded rings 312 on the positioning gear 311 and the moving gear 321, so that the ink rubber roller 2 drives the upper moving device 32 to transmit power to the lower driving device 31, and meanwhile, embedded blocks on the embedded rings 312 are arranged unevenly to ensure that the upper moving device 32 and the lower driving device 31 are clutched at the same position;
the movable adjusting device 33 comprises a limiting device 331 and a driving device 332 arranged at the upper end of the limiting device 331, the upper end of the driving device 332 is provided with an air cylinder 333, the limiting device 331 comprises a bottom connecting plate 3311 which is connected to the upper side of the mounting plate 11 through screws, the upper end of the bottom connecting plate 3311 is fixedly connected with a limiting rotating shaft 3312 which is rotatably inserted into the movable gear 321 and the positioning gear 311, the driving device 332 comprises a connecting shaft 3321, and the connecting shaft 3321 is sleeved with a connecting ring 334; the positions of the lower driving device 31 and the upper moving device 32 are limited by the limiting device 331, so that the lower driving device 31 and the upper moving device 32 move along the length direction of the limiting rotation shaft 3312, and the clutching of the lower driving device 31 and the upper moving device 32 is controlled;
the movable gear 321 is fixedly connected with an upper connecting pipe 322 sleeved on the limit rotating shaft 3312, a fixing groove 323 is formed in the driving device 332, and the connecting ring 334 is connected to the fixing groove 323 through a screw; two bearing rings 3313 are sleeved on the position of the limit rotating shaft 3312 close to the bottom connecting plate 3311, a bearing ring 3315 sleeved on the limit rotating shaft 3312 is arranged between the two bearing rings 3313, the outer side walls of the two bearing rings 3315 are respectively contacted with the positioning gear 311 and the inner wall of the embedded ring 312 fixed on the upper side of the positioning gear 311, a fixed spiral ring 3314 in threaded connection with the limit rotating shaft 3312 is arranged on the upper side of the bearing 3313, and a clamping spiral ring 3324 for aligning the position of the connecting ring 334 is in threaded connection with the position of the connecting shaft 3321 close to the upper end; the position of the connection ring 334 is fixed by the clamping screw ring 3324, so that the connection ring 334 is stably connected with the upper moving device 32 on the connection shaft 3321, so that the air cylinder 333 drives the upper moving device 32 to move, and the position of the bearing 3313 is fixed by the fixing screw ring 3314, so that the lower driving device 31 stably rotates on the limit rotation shaft 3312;
the bottom end of the connecting shaft 3321 is fixedly connected with an insertion tube 3322 inserted in the limiting rotating shaft 3312 in a sliding manner, and the upper end of the connecting shaft 3321 is fixedly connected with a piston rod of the air cylinder 333; the insertion tube 3322 is sleeved with a limiting tube 3323, the upper side and the lower side of the limiting tube 3323 are provided with clamping rings, the limiting tube 3323 is sleeved at the upper end of the limiting rotating shaft 3312, and the limiting tube 3323 is arranged between the movable gear 321 and the positioning gear 311; the position of the upper moving device 32 is limited by the limiting pipe 3323, so that the phenomenon that the friction between the embedded rings 312 is increased due to overlarge moving distance when the upper moving device 32 is driven by the air cylinder 333 to move downwards is avoided, and the stable clutch between the lower driving device 31 and the upper moving device 32 is ensured;
the upper side of the upper moving device 32 is provided with a fixing frame 34, the fixing frame 34 comprises a lantern ring 341, the lantern ring 341 is sleeved on the outer side of the upper connecting pipe 322, the upper end of the lantern ring 341 is connected with a cylinder fixing frame 343 through a screw, the cylinder 333 is connected with the upper side of the cylinder fixing frame 343 through a screw, and a piston rod of the cylinder 333 penetrates through the cylinder fixing frame 343 and extends downwards. A plurality of fixing support legs 342 are fixedly connected to the outer side wall of the lantern ring 341 in an annular arrangement manner, fixing rods 13 corresponding to the fixing support legs 342 are fixedly connected to the upper side of the mounting plate 11 in an annular arrangement manner, and the fixing support legs 342 are fixed on the fixing rods 13 through screws; the upper end of the limiting device 331 is provided with a limiting sleeve 335, one end of the limiting sleeve 335 is inserted between the upper connecting pipe 322 and the lantern ring 341, and the bottom of the limiting sleeve 335 is screwed to the bottom of the lantern ring 341; the position of the movable adjusting device 33 is fixed through the fixed frame 34, so that the movable adjusting device 33 limits the upper movable device 32 and the lower driving device 31, and the upper movable device 32 and the lower driving device 31 are convenient to connect and separate;
the driven member 4 comprises a driven shaft 41, a driven gear 42 and an intermediate wheel 43 which are fixed at two ends of the driven shaft 41, and the driven gear 42 is meshed with the positioning gear 311; through the engagement of the driven gear 42 and the positioning gear 311, the power for driving the driving device 31 to rotate by the upper moving device 32 is transmitted to the driven member 4, so that the driven member 4 drives the ink to move.
In the present embodiment, when the rotary ink roller 2 drives the driving gear 21 to rotate, the driving gear 21 drives the moving gear 321 to rotate, the driven rotating moving gear 321 rotates on the limit rotating shaft 3312, when the upper moving device 32 and the lower driving device 31 are required to be clamped together, the piston rod of the air cylinder 333 extends downward to push the connecting shaft 3321 and the inserting tube 3322 to move downward, the moving inserting tube 3322 drives the connecting ring 334 to move, the connecting ring 334 drives the upper moving device 32 to move downward, the insert ring 312 on the upper moving device 32 moving downward is attached to the insert ring 312 on the positioning gear 311, and the two insert rings 312 are clamped together with each other by the pushing of the air cylinder 333, when the two insert rings 312 are clamped together, the upper moving device 32 drives the lower driving device 31 to rotate, and the rotary lower driving device 31 is engaged with the driven gear 42 through the positioning gear 311, make driven gear 42 follow down drive arrangement 31 rotatory, make driven gear 42 drive idle wheel 43 through driven shaft 41 and rotate, drive the printing ink and flow, when not using this group of printing ink, drive mobile device 32 through removing adjusting device 33 and move up, make two rings 312 of looks gomphosis separate each other, thereby make printing ink rubber roll 2 can't drive follower 4, avoid follower 4 to drive the printing ink and flow, when follower 4 is when not using, through the separation of drive arrangement 31 and last mobile device 32 under the control, make printing ink rubber roll 2 can't drive follower 4 and rotate, thereby avoided follower 4 to drive the printing ink motion.
In order to detect whether the air cylinder 333 acts according to the position controlled by the programmable controller, magnetic switches are arranged at the longest position and the shortest position of a piston rod of the air cylinder 333 for closed-loop detection, when the programmable controller requires the piston rod of the air cylinder 333 to extend and shorten, the magnetic switches at the extending and shortening positions detect a piston ring of the air cylinder, namely, the action is judged to be normal, otherwise, the action is judged to be fault, equipment alarms when the fault occurs, and the equipment can normally operate.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.