CN218876627U

CN218876627U - Positioning device for offset press equipment

Info

Publication number: CN218876627U
Application number: CN202222781964.7U
Authority: CN
Inventors: 罗波; 林振陈; 林国丙; 罗丹
Original assignee: Wuhan Kanglong Yinsen Printing Co ltd
Current assignee: Wuhan Kanglong Yinsen Printing Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-04-18
Anticipated expiration: 2032-10-21

Abstract

The utility model provides a positioning device for offset press equipment, which comprises positioning modules, wherein two positioning modules are symmetrically arranged at two sides of a first guide groove; the positioning module comprises a second fixing frame, a first guide plate is arranged on the second fixing frame, a second guide groove is formed in the inner side of the second fixing frame, a sliding rail is arranged on the inner side wall of the second guide groove, a sliding block is arranged on the sliding rail in a sliding mode, a push plate is arranged on the sliding block, a second guide plate is arranged on the outer side of the push plate, a third guide plate is arranged on the inner side wall of the push plate, a limiting plate is arranged on the inner side wall of the second fixing frame, a spring is arranged on the outer side of a vertical portion of the limiting plate, and the end portion of the other side of the spring is arranged on the second guide plate. The utility model discloses can realize the accurate direction to the paper through direction subassembly cooperation removal subassembly, avoid the paper fold that the paper appears easily when getting into rubber drum on, avoid the card paper.

Description

Positioning device for offset press equipment

Technical Field

The utility model relates to a positioner technical field, concretely relates to positioner for offset press equipment.

Background

An offset printing press is a kind of offset printing press, in which printing images are first printed on a blanket cylinder from a printing plate and then transferred to paper by the blanket cylinder. The maximum paper breadth of the current offset printing machine can be divided into a small offset printing machine, a six-opening, four-opening, two-opening and full-paper printing machine.

When the existing offset printing machine is used for conveying printed paper, because the paper is soft, when the paper is contacted with a blanket cylinder, the paper is easy to be occluded in place because of the beginning of the paper, or the paper moving speed is not proper, so that paper wrinkles are easy to appear when the paper enters the blanket cylinder, paper jam can occur, and even damage to the device is easy to occur in serious conditions, so that unnecessary paper waste is caused, therefore, the offset printing machine capable of stably and accurately feeding paper is necessary to be provided for solving the technical problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an offset press is positioner for equipment can realize the accurate direction to the paper through direction subassembly cooperation removal subassembly, has avoided the paper fold that the paper appears easily when getting into blanket cylinder, avoids the card paper, has avoided the unnecessary waste of paper.

In order to solve the technical problem, the utility model provides a positioning device for offset press equipment, including setting up the upper portion direction subassembly at the removal subassembly, the removal subassembly sets up on the coupling assembling, the direction subassembly includes first mount, first mount is the U type, seted up first guide way on the vertical portion axis of first mount, threaded connection has first screw rod on the lateral wall of the lower part of the horizontal part of first mount, the upper portion of first screw rod is provided with the backup pad, threaded connection has the second screw rod on the lateral wall of the horizontal part upper portion of first mount, the lower part of second screw rod is the polished rod, the outside of polished rod is provided with the bearing, the lower part of bearing and the upper portion of backup pad all are provided with positioning module, two positioning module symmetries set up the both sides in first guide way;

the positioning module comprises a second fixing frame, the second fixing frame is U-shaped, a first guide plate is arranged on the outer side wall of the horizontal portion of the second fixing frame close to the first guide groove, a second guide groove is formed in the inner side of the horizontal portion of the second fixing frame, a slide rail is arranged on the inner side wall of the second guide groove, a slide block is arranged on the slide rail in a sliding mode, a push plate is arranged on the slide block, a second guide plate is arranged on the outer side of the vertical portion of the push plate, a third guide plate is arranged on the inner side wall of the push plate close to the first guide groove, a limiting plate is arranged on the inner side wall of the vertical portion of the second fixing frame, a spring is arranged on the outer side of the vertical portion of the limiting plate, and the end portion of the other side of the spring is arranged on the second guide plate.

The utility model discloses a two the orientation module cooperation is realized getting into the blanket cylinder of offset press with the accurate direction and the location of paper, is convenient for carry the paper accuracy and gets into on the blanket cylinder of offset press, and specific implementation is, and the paper is guided first guide plate, second guide plate and third guide plate through first guide way, finally is guided on the blanket cylinder of offset press, and at the in-process of paper motion, the vertical portion of second guide plate contacts with the blanket cylinder of offset press all the time, leads the tip of paper smoothly and carries out the rendition on the blanket cylinder.

Preferably, coupling assembling includes the fixed plate, and the upper portion of fixed plate is provided with the removal subassembly, and the removal subassembly includes sharp slip table and the baffle of setting at the vertical portion tip of sharp slip table, and the slider upper portion of sharp slip table links to each other with the lower part of first screw rod, and the rotation of the output shaft of the motor on the sharp slip table can drive the slider on the sharp slip table and drive the direction subassembly and carry out horizontal motion, realizes the transport work to the paper.

Preferably, the spring housing is established on flexible loop bar, and the tip of the flexible end of flexible loop bar links to each other with the vertical portion inside wall of second deflector, and the stiff end setting of flexible loop bar is on the vertical portion lateral wall of limiting plate, and flexible loop bar is used for guiding and spacing the axial of spring, avoids the spring to take place the swing at tensile or compressed in-process, influences the stability of orientation module work.

Preferably, the upper portion of second screw rod and the horizontal part outside that is located first mount are provided with the handle, move through twisting the handle can drive the second screw rod and rotate, because the lower part of second screw rod is the polished rod, and rotates the inside that sets up at the bearing, and the rotation of second screw rod can drive the positioning module of second screw rod lower part and carry out the up-and-down motion, is convenient for adjust the interval of two positioning module from top to bottom.

Preferably, the end part of the vertical part of the fixing plate is provided with a connecting plate, and the connecting plate is provided with a bolt for connecting with an offset press.

Preferably, the lower parts of the first guide plate, the second guide plate and the third guide plate are positioned on the same horizontal line, so that the movement of the paper can be more stable.

Preferably, the lower part of baffle welding sets up in the upper portion of fixed plate, and the baffle is used for carrying on spacingly to the linear motion of the slider on the straight line slip table.

In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

1. through the cooperation of the two positioning modules, the paper is accurately guided and positioned, the paper can conveniently and smoothly enter a rubber cylinder of the offset press, and the printing work of the paper is realized.

2. Through the cooperation of the second guide plate, the spring and the telescopic sleeve rod, paper is guided smoothly more conveniently and accurately to enable the end part of the paper to completely enter a rubber cylinder of the offset press, and the problem that paper is jammed when entering the rubber cylinder due to the fact that the paper lacks guidance and is easily folded when being positioned is avoided.

3. When the positioning device needs to be disassembled and replaced, the motor on the linear sliding table drives the guide assembly to move to a safe distance away from the offset press, then the first fixing frame is screwed, the first fixing frame can be screwed out under the action of the first screw rod until the lower part of the first fixing frame is completely separated from the first screw rod, and the guide assembly can be disassembled and replaced.

4. When the distance between the two positioning modules needs to be adjusted, the handle is screwed to drive the second screw rod to rotate, the lower part of the second screw rod is the polished rod, the bearing is arranged on the outer side of the polished rod, the second screw rod can drive the first fixing frame to move up and down under the matching of the threads of the second screw rod and the first fixing frame when the second screw rod rotates in the bearing under the limiting and guiding effects of the bearing, and then the adjustment work of the distance between the two positioning modules is realized.

Drawings

FIG. 1 is a schematic view of the positioning device for an offset printing machine of the present invention;

FIG. 2 is a schematic structural view of the moving assembly and the guiding assembly of the present invention during operation;

FIG. 3 is a schematic view of the assembly at the position A of the present invention;

fig. 4 is an enlarged view of the structure at the position B in the present invention.

Description of the reference numerals: 100. a connection assembly; 101. a fixing plate; 102. a connecting plate; 103. a bolt; 200. a moving assembly; 201. a linear sliding table; 202. a baffle plate; 300. a guide assembly; 301. a first fixing frame; 302. a second fixing frame; 303. a first guide groove; 304. a first guide plate; 305. a second guide groove; 306. a slide rail; 307. a limiting plate; 308. a first screw; 309. a support plate; 310. pushing the plate; 311. a second guide plate; 312. a slider; 313. a spring; 314. a telescopic loop bar; 315. a third guide plate; 316. a second screw; 317. a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

As shown in fig. 1 and 2: the embodiment provides a positioning device for offset printing machine equipment, which comprises an upper guide assembly 300 arranged on a moving assembly 200, wherein the guide assembly 300 is used for guiding the motion of paper, the moving assembly 200 is arranged on a connecting assembly 100, the moving assembly 200 is used for adjusting the horizontal position of the guide assembly 300, the connecting assembly 100 is used for fixedly connecting the guide assembly 300 and the moving assembly 200 on the offset printing machine, the guide assembly 300 comprises a first fixing frame 301, the first fixing frame 301 is U-shaped, the opening of the first fixing frame 301 faces the offset printing machine, a first guide groove 303 is arranged on the axis of the vertical part of the first fixing frame 301, the first guide groove 303 and the central axis between two rubber cylinders of the offset printing machine are positioned on the same straight line, the purpose is convenient for accurately and smoothly guiding the paper, a first screw 308 is in threaded connection with the side wall of the lower part of the horizontal part of the first fixing frame 301, the first fixing frame 301 can rotate under the action of the first screw rod 308, so that the first fixing frame 301 can be conveniently detached, the upper part of the first screw rod 308 is provided with the supporting plate 309, the side wall of the upper part of the horizontal part of the first fixing frame 301 is in threaded connection with the second screw rod 316, the lower part of the second screw rod 316 is a polished rod, the outer side of the polished rod is provided with the bearing, the lower part of the bearing and the upper part of the supporting plate 309 are both provided with the positioning modules, the lower part of the bearing is welded with the positioning modules, of course, the outer side of the bearing can also be provided with the supporting frame, the positioning wood block is arranged at the lower part of the supporting frame, the lower part of the second screw rod 316 is arranged as the polished rod, so that the lower part of the second screw rod 316 can be conveniently arranged at the inner side of the bearing in a rotating way, under the action of the bearing and the threaded connection action of the first fixing frame 301 and the second screw rod 316, the rotation of the second screw 316 drives the positioning modules to move up and down, so that the purpose of adjusting the distance between the two positioning modules is achieved, the positioning modules are convenient to adapt to the guiding and positioning work of paper with different thicknesses, and the two positioning modules are symmetrically arranged on two sides of the first guide groove 303;

the positioning module comprises a second fixed frame 302, the second fixed frame 302 is U-shaped, the opening of the second fixed frame 302 faces the offset press, a first guide plate 304 is arranged on the outer side wall of the horizontal part of the second fixed frame 302 close to the first guide groove 303, the first guide plate 304 should select a flat plate with a smooth surface, a second guide groove 305 is arranged on the inner side of the horizontal part of the second fixed frame 302, a slide rail 306 is arranged on the inner side wall of the second guide groove 305, a slide block 312 is arranged on the slide rail 306 in a sliding manner, a push plate 310 is arranged on the slide block 312, a second guide plate 311 is arranged on the outer side of the vertical part of the push plate 310, the second guide plate 311 can be driven by the push plate 310 to move along the slide rail 306 under the action of the slide block 312 when the vertical part of the second guide plate 311 is contacted with the offset press, so as to smoothly guide paper into the rubber cylinder of the offset press, a third guide plate 315 is arranged on the inner side wall of the push plate 310 close to the first guide groove 303, a limit plate 307 is arranged on the inner side wall of the vertical part of the second fixing frame 302, a spring 313 is arranged on the outer side of the vertical part of the limit plate 307, the other side end of the spring 313 is arranged on the second guide plate 311, the spring 313 is used for ensuring that the vertical part of the second guide plate 311 is always pushed to be contacted with the offset printing machine when the paper is accurately guided into the rubber roller under the action of self-restoring elasticity, correspondingly, a heat dissipation device can be arranged between the third guide plate and the contact part of the offset printing machine, so that the printing effect is prevented from being influenced by overhigh temperature of the offset printing machine, the two positioning modules are matched to realize accurate guiding and positioning of the paper, so that the paper can be accurately conveyed into the rubber roller of the offset printing machine, and the specific realization mode is that the paper is guided to the first guide plate, the second guide plate and the third guide plate through the first guide groove 303, and finally, the paper is guided to a rubber cylinder of the offset printing machine, and the vertical part of the second guide plate is always in contact with the rubber cylinder of the offset printing machine in the paper moving process until the end part of the paper is smoothly guided to the rubber cylinder for transfer printing.

According to the utility model discloses a further embodiment, as shown in fig. 1 and fig. 2, coupling assembling 100 includes fixed plate 101, the upper portion of fixed plate 101 is provided with removes subassembly 200, it includes sharp slip table 201 and the baffle 202 of setting at the vertical portion tip of sharp slip table 201 to remove subassembly 200, baffle 202 is used for carrying on spacingly to the motion of the slider on sharp slip table 201, the slider upper portion of sharp slip table 201 links to each other with the lower part of first screw rod 308, the slider that the output shaft of the motor on the sharp slip table 201 can be driven on the sharp slip table 201 is rotating and is being driven guide assembly 300 and carry out horizontal motion, the realization is to the transport work of paper.

According to the utility model discloses a further embodiment, as shown in fig. 4, spring 313 cover is established on flexible loop bar 314, and the tip of the flexible end of flexible loop bar 314 links to each other with the vertical portion inside wall of second deflector 311, and flexible loop bar 314 includes flexible end and stiff end, the inside of stiff end is provided with compression spring 313, the flexible end of flexible loop bar 314 can get into the stiff end under the effect of external force and further compress compression spring 313, when the external force was removed, with flexible end top to the normal position under compression spring 313's effect, the stiff end of flexible loop bar 314 sets up on the vertical portion lateral wall of limiting plate 307, and flexible loop bar 314 is used for leading and spacing the axial of spring 313, avoids spring 313 to take place the swing at tensile or compressed in-process, influences the stability of orientation module work.

According to the utility model discloses a further embodiment, as shown in fig. 1 and fig. 2, the upper portion of second screw rod 316 and the horizontal part outside that is located first mount 301 are provided with handle 317, through twisting handle 317 can drive second screw rod 316 and rotate, because the lower part of second screw rod 316 is the polished rod, and rotates the inside that sets up at the bearing, and the rotation of second screw rod 316 can drive the positioning module of second screw rod 316 lower part and carry out the up-and-down motion, is convenient for adjust two positioning module's interval from top to bottom.

According to the utility model discloses a further embodiment, as shown in fig. 1 and 2, the vertical portion tip of fixed plate 101 is provided with connecting plate 102, be provided with on the connecting plate 102 and be used for the bolt 103 that is connected with offset press, bolt 103 is convenient for realize quick dismantlement and the installation to coupling assembling 100.

According to another embodiment of the present invention, as shown in fig. 1 and 3, the lower portions of the first guide plate 304, the second guide plate 311, and the third guide plate 315 are located on the same horizontal line, so that the movement of the paper can be ensured to be more stable.

According to the utility model discloses a further embodiment, as shown in fig. 1 and fig. 2, the lower part welding of baffle 202 sets up in the upper portion of fixed plate 101, and baffle 202 is used for carrying on spacingly to the linear motion of the slider on sharp slip table 201.

The utility model discloses a use method:

firstly, a threaded hole matched with a bolt 103 needs to be formed in advance on an offset press, the device is installed on the offset press through the bolt 103, then a handle 317 is screwed, the handle 317 drives a second bolt 103 to rotate and simultaneously drives a first fixing frame 301 to move up and down until the distance between two positioning modules is properly adjusted, then paper is sent into a first guide groove 303 through a paper feeding device, the paper passes through the first guide groove 303 and then enters a first guide plate, passes through the first guide plate and then enters a third guide plate and finally enters a second guide plate, then a motor of a linear sliding table 201 is started to rotate, a sliding block on the linear sliding table 201 is driven to drive the first fixing frame 301 to move towards a position close to the offset press until a vertical part of the second guide plate is contacted with an offset press cylinder of the offset press, the spring 313 and a telescopic sleeve rod 314 are extruded along with the continuous movement of the second guide plate, at this time, the paper can be smoothly rolled into the offset press, the specific implementation mode is consistent with the paper suction mode of the traditional offset press until the front part of the paper is smoothly sucked into the offset press, the rubber cylinder, the paper can be smoothly, and the paper can be pressed and the paper can be easily wrinkled and the paper can be printed.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A positioning device for offset printing machine equipment, including setting up upper portion guide assembly (300) moving assembly (200), moving assembly (200) sets up on coupling assembling (100), its characterized in that: the guide assembly (300) comprises a first fixing frame (301), the first fixing frame (301) is U-shaped, a first guide groove (303) is formed in the axis of a vertical part of the first fixing frame (301), a first screw (308) is in threaded connection with the side wall of the lower part of the horizontal part of the first fixing frame (301), a support plate (309) is arranged on the upper part of the first screw (308), a second screw (316) is in threaded connection with the side wall of the upper part of the horizontal part of the first fixing frame (301), the lower part of the second screw (316) is a polished rod, a bearing is arranged on the outer side of the polished rod, positioning modules are arranged on the lower part of the bearing and the upper part of the support plate (309), and the two positioning modules are symmetrically arranged on two sides of the first guide groove (303);

the positioning module comprises a second fixing frame (302), the second fixing frame (302) is U-shaped and close to the first guide groove (303), a first guide plate (304) is arranged on the outer side wall of the horizontal part of the second fixing frame (302), a second guide groove (305) is formed in the inner side of the horizontal part of the second fixing frame (302), a sliding rail (306) is arranged on the inner side wall of the second guide groove (305), a sliding block (312) is arranged on the sliding rail (306) in a sliding mode, a pushing plate (310) is arranged on the sliding block (312), a second guide plate (311) is arranged on the outer side of the vertical part of the pushing plate (310), the second guide plate is close to the first guide groove (303), a third guide plate (315) is arranged on the inner side wall of the pushing plate (310), a limiting plate (307) is arranged on the inner side wall of the vertical part of the second fixing frame (302), a spring (313) is arranged on the outer side of the vertical part of the limiting plate (307), and the end of the other side of the spring (313) is arranged on the second guide plate (311).

2. The positioning device for an offset printing press apparatus according to claim 1, wherein: the connecting assembly (100) comprises a fixing plate (101), a moving assembly (200) is arranged on the upper portion of the fixing plate (101), the moving assembly (200) comprises a linear sliding table (201) and a baffle plate (202) arranged at the end portion of the vertical portion of the linear sliding table (201), and the upper portion of a sliding block of the linear sliding table (201) is connected with the lower portion of a first screw rod (308).

3. The positioning device for an offset printing press apparatus according to claim 2, wherein: the spring (313) is sleeved on the telescopic loop bar (314), the end part of the telescopic end of the telescopic loop bar (314) is connected with the inner side wall of the vertical part of the second guide plate (311), and the fixed end of the telescopic loop bar (314) is arranged on the outer side wall of the vertical part of the limiting plate (307).

4. The positioning device for an offset printing press apparatus according to claim 1, wherein: a handle (317) is arranged on the upper part of the first screw rod (308) and on the outer side of the horizontal part of the first fixed frame (301).

5. The positioning device for an offset printing press apparatus according to claim 2, wherein: the end part of the vertical part of the fixed plate (101) is provided with a connecting plate (102), and the connecting plate (102) is provided with a bolt (103) used for being connected with an offset press.

6. The positioning device for an offset printing press apparatus according to any one of claims 1 to 3, wherein: the lower parts of the first guide plate (304), the second guide plate (311) and the third guide plate (315) are positioned on the same horizontal line.

7. The positioning device for an offset printing press apparatus according to claim 2, wherein: the lower part of the baffle plate (202) is welded on the upper part of the fixed plate (101).