CN217415185U

CN217415185U - Paper flattening device for unit type arrangement heavy offset press

Info

Publication number: CN217415185U
Application number: CN202221221229.4U
Authority: CN
Inventors: 李辉; 李丽; 许有军; 张娟
Original assignee: Hefei Yueyang Printing Co ltd
Current assignee: Hefei Yueyang Printing Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-09-13
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses a heavy offset press of unit formula range is with plain paper device, including the workstation, the top of workstation is connected with the roof through the pillar, and the bottom of roof installs telescopic cylinder, and telescopic cylinder's output is connected with the mounting panel, and its bottom is equipped with first levelling mechanism, the equal fixedly connected with fixed plate of both sides outer wall of mounting panel, its inside second levelling mechanism that all is equipped with, and the top of roof is equipped with the adjustment mechanism who is used for adjusting two second levelling mechanism intervals. The utility model discloses in, through the first leveling mechanism and the second leveling mechanism that set up, can level and smooth to the fold of paper, reach the purpose of leveling the paper to two leveling rollers that the second leveling mechanism can avoid first mechanism rotate at the paper top and level and smooth the time to the paper, cause the condition appearance that the both ends perk influence was used of paper, both improved the effect that levels the paper, can eliminate the adverse effect that first leveling mechanism brought in using again.

Description

Paper flattening device for unit type arrangement heavy offset press

Technical Field

The utility model relates to an offset press technical field especially relates to a heavy offset press of unit formula range is with plain paper device.

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. Offset presses can be classified into sheet-fed offset presses and web-fed offset presses, depending on the mode of paper feed; the printing color number completed by one-time paper feeding can be divided into single-color, double-color, four-color and multi-color printing machines; the full-paper printing machine can be divided into a small offset press, a six-opening, four-opening, two-opening and full-paper printing machine according to the maximum paper breadth to be printed, and a double-sided printing machine capable of simultaneously finishing two-sided printing by one-time paper feeding is also arranged. The sheet-fed offset press is a lithographic printing press, is used for printing high-grade commercial printed matters and packaging printed matters, and is the mainstream of modern paper printing.

The existing offset press generally needs to ensure that the surface of paper put into the machine is smooth and has no wrinkles in order to ensure the printing effect, and if the paper has wrinkles, the printing effect is greatly influenced, and the paper is smooth by manpower at present, so that the time and labor are wasted, and the printing is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a paper flattening device for a unit type arrangement heavy offset printing machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heavy offset press of unit formula range is with plain paper device, includes the workstation, the top of workstation is connected with the roof through the pillar, and the bottom of roof installs telescopic cylinder, telescopic cylinder's output is connected with the mounting panel, and its bottom is equipped with first levelling mechanism, the equal fixedly connected with fixed plate of both sides outer wall of mounting panel all is equipped with second levelling mechanism inside, the top of roof is equipped with the adjustment mechanism who is used for adjusting two second levelling mechanism intervals.

Preferably, first leveling mechanism includes two dwang, two the dwang symmetry articulates the bottom at the mounting panel, two the one end that the mounting panel was kept away from to the dwang is rotated and is installed leveling roller, two the one end that the dwang is close to leveling roller is through first spring coupling.

Preferably, the second leveling mechanism comprises first through grooves formed in the two fixing plates, sliding rods are mounted in the two first through grooves, sliding blocks are connected to the outer walls of the sliding rods in a sliding mode, the bottoms of the two sliding blocks are connected with leveling plates through telescopic rods, and telescopic plates are mounted at the tops of the two sliding blocks.

Preferably, a second through groove is formed in the top plate, and the top ends of the two expansion plates penetrate through the second through groove.

Preferably, adjustment mechanism includes that the dead lever at the roof top is installed through the pivot rotation, two the top of expansion plate all articulates there is the connecting rod, and two connecting rods keep away from the one end of expansion plate and articulate mutually with the dead lever, the fixed portion of rotating that is equipped with in top of dead lever, the bottom of pivot extends to roof in-connection and has the turning block.

Preferably, a plurality of circular slots have evenly been seted up to the outer wall of turning block, the fixed frame of outer wall fixedly connected with of roof, its inside slip is equipped with the gag lever post, the one end that the gag lever post is close to the turning block is pegged graft mutually with the circular slot, be equipped with the second spring between gag lever post and the fixed frame.

Preferably, the top of workstation is equipped with places the board, and its bottom symmetry is equipped with two sliders, the top of workstation is seted up with slider sliding fit's spout.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in through the first levelling mechanism that sets up, accessible telescopic cylinder drives dwang and levelling roller downstream, and when levelling roller contacted the paper, telescopic cylinder continued to drive levelling roller downstream for two dwangs move towards the direction of keeping away from each other, drive levelling roller and rotate at the paper top, level the fold of paper, reach the purpose of levelling the paper.

The utility model discloses in through the second leveling mechanism that sets up, can drive dwang and leveling roller downstream at telescopic cylinder, drive telescopic link and leveling plate downstream, extrude leveling to the both ends of paper, and extrude fixedly to the both ends of paper simultaneously, thereby avoid two leveling rollers of first mechanism to rotate at the paper top and level the time to the paper, the condition that causes the both ends perk influence use of paper appears, both improved the effect leveling to the paper, can eliminate the adverse effect that brings again in the use of first leveling mechanism.

The utility model discloses in through the adjustment mechanism who sets up, can adjust the interval between two second leveling mechanisms for two second leveling mechanisms's leveling plate can adapt to pressing and leveling of variation in size paper, and then can improve the holistic practicality of device.

Drawings

FIG. 1 is a schematic structural view of a paper flattening device for a unit-type heavy-duty offset printing machine according to the present invention;

FIG. 2 is a structural cross-sectional view of the table of FIG. 1;

fig. 3 is a schematic structural diagram of the adjusting mechanism of the present invention.

In the figure: 1. a work table; 2. a top plate; 3. placing the plate; 4. a second through groove; 5. a telescopic cylinder; 6. mounting a plate; 7. a fixing plate; 8. a telescopic rod; 9. leveling the plate; 10. a retractable plate; 11. a connecting rod; 12. fixing the rod; 13. a rotating part; 14. a slide bar; 15. rotating the rod; 16. a first spring; 17. a leveling roller; 18. a slider; 19. a slider; 20. a rotating shaft; 21. rotating the block; 22. a circular groove; 23. a fixing frame; 24. a limiting rod; 25. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the paper flattening device for the unit-type arrangement heavy-duty offset printing machine comprises a workbench 1, wherein the top of the workbench 1 is connected with a top plate 2 through a support, a telescopic cylinder 5 is installed at the bottom of the top plate 2, the output end of the telescopic cylinder 5 is connected with a mounting plate 6, a first flattening mechanism is arranged at the bottom of the telescopic cylinder, fixing plates 7 are fixedly connected to the outer walls of two sides of the mounting plate 6 respectively, a second flattening mechanism is arranged inside the fixing plates, and an adjusting mechanism used for adjusting the distance between the two second flattening mechanisms is arranged at the top of the top plate 2.

First levelling mechanism includes two dwang 15, and two dwang 15 symmetries articulate in the bottom of mounting panel 6, and the one end that mounting panel 6 was kept away from to two dwang 15 is rotated and is installed leveling roller 17, and the one end that two dwang 15 are close to leveling roller 17 is connected through first spring 16. When needs level and smooth the paper, start telescopic cylinder 5, make its output stretch out downwards and drive two dwang 15 downstream of mounting panel 6 and its bottom, level and smooth roller 17 and paper contact until two dwang 15 bottoms, telescopic cylinder 5 output continues to stretch out downwards, level and smooth roller 17 receives the extrusion, drive two dwang 15 and remove towards the direction of keeping away from each other, make first spring 16 be tensile state, it rotates at the paper top to drive level and smooth roller 17, level and smooth the fold of paper, reach the purpose of leveling the paper.

The second leveling mechanism comprises first through grooves formed in the two fixing plates 7, sliding rods 14 are installed in the first through grooves, sliding blocks 18 are connected to the outer walls of the first through grooves in a sliding mode, the bottoms of the two sliding blocks 18 are connected with leveling plates 9 through telescopic rods 8, and telescopic plates 10 are installed at the tops of the two sliding blocks 18. When telescopic cylinder 5 drives dwang 15 and leveling roller 17 and moves down, drive two fixed plates 7 in step and move down, contact with the paper until the bottom of leveling plate 9, and it is the shrink state to extrude telescopic link 8, leveling plate 9 also can extrude fixedly to the both ends of paper when extruding levelly and smoothly to the both ends of paper, make things convenient for first leveling mechanism to level the paper, and two leveling rollers 17 of first mechanism rotate at the paper top and level the paper when, the condition that causes the both ends perk influence of paper to use easily appears, and leveling plate 9 extrudes fixedly and levels the paper both ends, both improved the effect of leveling the paper, can eliminate the adverse effect that first leveling mechanism brought in using again.

The roof 2 is provided with a second through groove 4, and the top ends of the two expansion plates 10 penetrate through the second through groove 4.

Adjustment mechanism includes and rotates the dead lever 12 of installing at roof 2 top through pivot 20, and the top of two expansion plates 10 all articulates there is connecting rod 11, and two connecting rods 11 keep away from the one end of expansion plate 10 and articulate mutually with dead lever 12, and the fixed portion 13 that rotates that is equipped with in top of dead lever 12, and the bottom of pivot 20 extends to roof 2 in-connection has turning block 21.

A plurality of circular grooves 22 are uniformly formed in the outer wall of the rotating block 21, a fixing frame 23 is fixedly connected to the outer wall of the top plate 2, a limiting rod 24 is arranged in the fixing frame in a sliding mode, one end, close to the rotating block 21, of the limiting rod 24 is connected with the circular grooves 22 in an inserting mode, and a second spring 25 is arranged between the limiting rod 24 and the fixing frame 23. When the distance between the two second leveling mechanisms needs to be adjusted, the limiting rod 24 is pulled, one end of the limiting rod 24 leaves the circular groove 22 corresponding to the limiting rod at the moment, the second spring 25 is in a compressed state, the rotating block 21 is not limited, the rotating part 13 can be freely rotated clockwise or anticlockwise to drive the fixing rod 12 to rotate, the two expansion plates 10 can be driven to move towards the mutual approaching or mutual departing direction in the second through groove 4 through the connecting rod 11 connected with the fixing rod 12 and the top end of the expansion plate 10, the two sliding blocks 18 can also move towards the mutual approaching or mutual departing direction on the outer wall of the sliding rod 14 to realize the adjustment of the distance between the two leveling plates 9, after the distance between the leveling plates 9 is adjusted, the pulling on one end of the limiting rod 24 is loosened to enable the limiting rod 24 not to be pulled, the second spring 25 resets and drives the limiting rod 24 to be inserted in the circular groove 22 opposite to the limiting rod at the moment, carry out spacing fixed to turning block 21 once more, and then fix the position of countershaft 20 and dead lever 12, realize fixing the position after two leveling plates 9 are adjusted for leveling plate 9 can adapt to pressing down and leveling of the paper of variation in size, and then can improve the holistic practicality of device.

The top of workstation 1 is equipped with places board 3, and its bottom symmetry is equipped with two sliders 19, and the spout with slider 19 sliding fit is seted up at the top of workstation 1. The board 3 of placing that sets up can place the paper on placing board 3 before leveling the paper, then removes to the bottom of workstation 1, levels the back at the device to the paper, will place board 3 again and remove the paper, conveniently gets getting of paper.

In the utility model, when the surface wrinkles of the paper need to be smoothed, the paper is placed on the top of the placing plate 3, the placing plate 3 is pushed to move to the position under the telescopic cylinder 5 on the top of the workbench 1, the limiting rod 24 is pulled according to the width of the paper, one end of the limiting rod 24 is separated from the circular groove 22 corresponding to the limiting rod 24 at the moment, the second spring 25 is in a compressed state, the rotating block 21 is not limited, the rotating part 13 can be freely rotated clockwise or anticlockwise to drive the fixed rod 12 to rotate, the two telescopic plates 10 can be driven to move towards the mutual approaching or mutual departing directions in the second through groove 4 through the connecting rod 11 connected with the fixed rod 12 and the top end of the telescopic plate 10, and then the two sliding blocks 18 can also move towards the mutual approaching or mutual departing directions on the outer wall of the sliding rod 14, the adjustment of the distance between the two smoothing plates 9 is realized, after the distance between the smoothing plates 9 is adjusted, loosening the pulling of one end of the limiting rod 24 to enable the limiting rod 24 not to be pulled, resetting the second spring 25 and driving the limiting rod 24 to be inserted into the circular groove 22 opposite to the limiting rod at the moment, limiting and fixing the rotating block 21 again, fixing the positions of the rotating shaft 20 and the fixing rod 12, fixing the adjusted positions of the two leveling plates 9, and enabling the leveling plates 9 to be suitable for pressing and leveling paper sheets of different sizes.

Then start telescopic cylinder 5, make its output stretch out downwards and drive two dwang 15 downstream of mounting panel 6 and its bottom, level and smooth roller 17 and paper contact up to two dwang 15 bottoms, telescopic cylinder 5 output continues to stretch out downwards, level and smooth roller 17 receives the extrusion, drive two dwang 15 and move towards the direction of keeping away from each other, make first spring 16 be tensile state, drive level and smooth roller 17 and rotate at the paper top, level and smooth the fold of paper, reach the purpose of leveling the paper.

And when telescopic cylinder 5 drives dwang 15 and leveling roller 17 and moves down, drive two fixed plates 7 in step and move down, contact with the paper until the bottom of leveling plate 9, and it is the shrink state to extrude telescopic link 8, leveling plate 9 also can extrude fixedly to the both ends of paper when extruding levelly and smoothly to the both ends of paper, make things convenient for first leveling mechanism to level the paper, and two leveling rollers 17 of first mechanism rotate at the paper top and level the paper, the condition that causes the both ends perk influence of paper to use easily appears, and leveling plate 9 extrudes fixedly and levels the paper both ends, both improved the effect of leveling the paper, can eliminate the adverse effect that first leveling mechanism brought in using again.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a heavy offset press of unit formula range is with plain paper device, includes workstation (1), its characterized in that, the top of workstation (1) is connected with roof (2) through the pillar, and telescopic cylinder (5) are installed to the bottom of roof (2), telescopic cylinder's (5) output is connected with mounting panel (6), and its bottom is equipped with first levelling mechanism, the equal fixedly connected with fixed plate (7) of both sides outer wall of mounting panel (6), its inside second levelling mechanism that all is equipped with, the top of roof (2) is equipped with the adjustment mechanism who is used for adjusting two second levelling mechanism intervals.

2. The paper flattening device for the unit-type arrangement heavy-duty offset printing press according to claim 1, wherein the first flattening mechanism includes two rotation rods (15), two rotation rods (15) are symmetrically hinged to the bottom of the mounting plate (6), two flattening rollers (17) are rotatably mounted at the ends of the rotation rods (15) far away from the mounting plate (6), and the ends of the rotation rods (15) close to the flattening rollers (17) are connected through first springs (16).

3. The device according to claim 2, wherein said second leveling mechanism comprises a first through slot formed in two fixed plates (7), a slide bar (14) is mounted in each of said first through slots, a slide block (18) is slidably connected to the outer wall of each of said first through slots, a leveling plate (9) is connected to the bottom of each of said slide blocks (18) through a telescopic rod (8), and a telescopic plate (10) is mounted on the top of each of said slide blocks (18).

4. The flatting device for a set-top heavy-duty offset printing press according to claim 3, wherein the top plate (2) has a second through slot (4), and the top ends of the two expansion plates (10) pass through the second through slot (4).

5. The paper flattening device for the unit-type heavy-duty offset printing press according to claim 4, wherein the adjusting mechanism comprises a fixing rod (12) rotatably mounted on the top of the top plate (2) through a rotating shaft (20), the top ends of the two expansion plates (10) are hinged with connecting rods (11), one ends of the two connecting rods (11) far away from the expansion plates (10) are hinged with the fixing rod (12), the top ends of the fixing rods (12) are fixedly provided with rotating parts (13), and the bottom ends of the rotating shaft (20) extend into the top plate (2) and are connected with rotating blocks (21).

6. The paper flattening device for the unit-type heavy-duty offset printing press according to claim 5, wherein the outer wall of the rotating block (21) is uniformly provided with a plurality of circular grooves (22), the outer wall of the top plate (2) is fixedly connected with a fixed frame (23), a limiting rod (24) is slidably arranged in the outer wall of the top plate, one end of the limiting rod (24) close to the rotating block (21) is inserted into the circular grooves (22), and a second spring (25) is arranged between the limiting rod (24) and the fixed frame (23).

7. The paper flattening device for the unit-type heavy-duty offset printing press according to claim 1, wherein the top of the table (1) is provided with a placing plate (3), the bottom of the table is symmetrically provided with two sliding blocks (19), and the top of the table (1) is provided with a sliding groove in sliding fit with the sliding blocks (19).