CN213082627U

CN213082627U - Paper pressing device for offset press

Info

Publication number: CN213082627U
Application number: CN202021117523.1U
Authority: CN
Inventors: 刘颖
Original assignee: Huanggang Jihong Packaging Co ltd
Current assignee: Huanggang Jihong Packaging Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-04-30
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses an offset press is with pressing paper device, rule before defeated paper portion, be connected with a plurality of connecting axles on the rule before the defeated paper portion, a plurality of movable blocks have been cup jointed to the connecting axle lateral wall, the movable block front side is equipped with the installation piece, is located both sides the installation piece is connected with the movable block that corresponds through first telescopic link. The utility model discloses, through the movable block, the installation piece, the draw-in groove, the horizontal pole, the movable block, the connecting rod, mutually supporting between T type pole and the first spring, press T type pole, two movable blocks move to both sides respectively for L type pole and connecting block separation can wholly dismantle the U template with the gyro wheel get off, the draw-in groove setting is on the lateral wall simultaneously, need not to shut down and also can take out the gyro wheel that needs to dismantle, further brought the facility for the installation of gyro wheel and dismantlement work, guaranteed offset press's printing efficiency.

Description

Paper pressing device for offset press

Technical Field

The utility model relates to an offset press technical field especially relates to an offset press is with pressing paper device.

Background

The offset press is one kind of offset press, and during printing, the printed picture and text is first printed onto rubber drum from the printing plate and then transferred to paper with the rubber drum.

Offset press is at the printing in-process, in order to guarantee the accuracy of printing, can set up corresponding preceding rule and side rule on defeated cardboard usually, correct positioning when being used for guaranteeing the paper and advancing, at present, in order to reduce the problem of the unevenness that appears of paper in transportation process, be equipped with paper pressing device on the rule in the front usually, utilize the cooperation of a plurality of gyro wheels, flatten paper, but current gyro wheel adopts welding or bolt fastening's mode installation, inconvenient dismantlement and change, when a gyro wheel goes wrong simultaneously, need whole device shutdown just can accomplish change work, offset press's printing efficiency has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the gyro wheel among the prior art medium pressure paper device is inconvenient to dismantle and change, and the offset press that provides is with pressing paper device.

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

a paper pressing device for an offset press comprises a paper conveying part front gauge, wherein a plurality of connecting shafts are connected to the paper conveying part front gauge, a plurality of movable blocks are sleeved on the outer side wall of each connecting shaft, mounting blocks are arranged on the front sides of the movable blocks, the mounting blocks on the two sides are connected with the corresponding movable blocks through first telescopic rods, the mounting block in the middle is connected with the corresponding movable block through a second telescopic rod, and two adjacent mounting blocks are connected through a fixed rod; the mounting block lateral wall sets up the draw-in groove, draw-in groove inside wall joint has the connecting block, be equipped with the stop gear with connecting block looks adaptation in the draw-in groove, connecting block bottom fixedly connected with U template, U template inside wall rotates and is connected with the gyro wheel.

Preferably, first telescopic link includes threaded sleeve and threaded rod, threaded rod and threaded sleeve inside wall threaded connection, threaded sleeve and threaded rod back on the back one end mutually rotate with the movable block that corresponds and installation piece lateral wall respectively and be connected.

Preferably, the second telescopic link includes outer loop bar and interior loop bar, the moving slot with interior loop bar looks adaptation is seted up to outer loop bar lateral wall, interior loop bar is through flat key and moving slot inside wall sliding connection, outer loop bar and interior loop bar back on the back one end of the body respectively with corresponding movable block and installation piece lateral wall fixed connection.

Preferably, stop gear includes two horizontal poles with draw-in groove inside wall fixed connection, the movable block has been cup jointed in the horizontal pole lateral wall slip, movable block bottom fixedly connected with L type pole, the slot with L type pole looks adaptation is seted up to the connecting block lateral wall, the movable block lateral wall rotates and is connected with the connecting rod, connecting rod top lateral wall rotates and is connected with the regulating block, two fixedly connected with T type pole between the regulating block, T type pole top runs through the installation piece and upwards extends, T type pole bottom is connected with the draw-in groove inside wall through many first springs.

Preferably, a second spring is sleeved outside the cross rod, and two ends of the second spring are respectively and fixedly connected with the inner side wall of the clamping groove and the outer side wall of the moving block.

Preferably, the adjusting block and the outer side wall of the moving block are rotatably connected with pin shafts, and two ends of the connecting rod are respectively rotatably sleeved on the outer side walls of the two pin shafts.

The utility model has the advantages that:

1. through the movable block, the installation piece, the draw-in groove, the horizontal pole, the movable block, the connecting rod, mutually supporting between T type pole and the first spring, press T type pole, two movable blocks move to both sides respectively for L type pole and connecting block separation can get off U template and gyro wheel are whole to be dismantled, the draw-in groove sets up on the lateral wall simultaneously, need not to shut down and also can take out the gyro wheel that needs to dismantle, further brought the facility for the installation and the dismantlement work of gyro wheel, offset press's printing efficiency has been guaranteed.

2. Through the setting of first telescopic link and second telescopic link, can adjust the distance between two lines of gyro wheels around as required, can be used to the work of flattening to different papers, improved the practicality of device.

Drawings

Fig. 1 is a schematic structural view of a paper pressing device for an offset printing machine according to the present invention;

FIG. 2 is a schematic view of a connection structure between a mounting block and a roller in a paper pressing device for an offset printing machine according to the present invention;

fig. 3 is a schematic view of an internal structure of a slot in a paper pressing device for an offset printing machine according to the present invention;

fig. 4 is a schematic structural view of a first telescopic rod in a paper pressing device for an offset printing machine according to the present invention;

fig. 5 is a schematic structural view of a second telescopic rod in the paper pressing device for the offset printing machine.

In the figure: 1. a paper conveying part front gauge; 2. a connecting shaft; 3. a movable block; 4. mounting blocks; 5. a first telescopic rod; 51. a threaded sleeve; 52. a threaded rod; 6. a second telescopic rod; 61. an outer loop bar; 62. an inner loop bar; 7. fixing the rod; 8. a card slot; 9. connecting blocks; 10. a U-shaped plate; 11. a roller; 12. a cross bar; 13. a moving block; 14. an L-shaped rod; 15. a connecting rod; 16. an adjusting block; 17. a T-shaped rod; 18. a first spring; 19. a second spring; 20. and (7) a pin shaft.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a paper pressing device for offset press, including rule 1 before the paper feeding portion, be connected with a plurality of connecting axles 2 on rule 1 before the paper feeding portion, 2 lateral walls of connecting axle have cup jointed a plurality of

movable block

3, 3 front sides of movable block are equipped with installation piece 4, the installation piece 4 that is located both sides is connected with the movable block 3 that corresponds through first telescopic link 5, the installation piece 4 that is located the centre is connected with the movable block 3 that corresponds through second telescopic link 6, two adjacent installation pieces 4 are connected through dead lever 7, make the back-and-forth movement of a plurality of installation pieces 4 synchronous like this.

The first telescopic rod 5 comprises a threaded sleeve 51 and a threaded rod 52, the threaded rod 52 is in threaded connection with the inner side wall of the threaded sleeve 51, the opposite ends of the threaded sleeve 51 and the threaded rod 52 are respectively in rotating connection with the outer side walls of the corresponding movable block 3 and the corresponding mounting block 4, the second telescopic rod 6 comprises an outer sleeve 61 and an inner sleeve 62, the outer side wall of the outer sleeve 61 is provided with a moving groove matched with the inner sleeve 62, the inner sleeve 62 is in sliding connection with the inner side wall of the moving groove through a flat key, and the opposite ends of the outer sleeve 61 and the inner sleeve 62 are respectively in fixed connection with the outer side walls of the corresponding movable block 3 and the corresponding mounting block 4;

it should be noted that: utilize the threaded rod 52 that sets up in both sides to rotate, can change the setting between the movable block 3 and the installation piece 4 of both sides, and then change the distance between all movable blocks 3 of same line and the installation piece 4, can adjust according to the unevenness condition of paper, when the unevenness phenomenon of paper is comparatively serious, shorten the distance between two adjacent lines of gyro wheels 11 for gyro wheel 11 concentrates, and the effect of flattening to the paper of unevenness is better.

Wherein, draw-in groove 8 is seted up to 4 lateral walls of installation piece, 8 inside wall joints of draw-in groove have connecting block 9, be equipped with the stop gear with 9 looks adaptations of connecting block in the draw-in groove 8, stop gear includes two horizontal poles 12 with 8 inside wall fixed connection of draw-in groove, the movable block 13 has been cup jointed in the slip of 12 lateral walls of horizontal poles, movable block 13 bottom fixedly connected with L type pole 14, the slot with 14 looks adaptations of L type pole is seted up to 9 lateral walls of connecting block, movable block 13 lateral wall rotates and is connected with connecting rod 15, connecting rod 15 top lateral wall rotates and is connected with regulating block 16, fixedly connected with T type pole 17 between two regulating block 16, T type pole 17 top runs through installation piece 4 and upwards extends, T type pole 17 bottom is connected with.

Further, the outside cover of horizontal pole 12 is equipped with second spring 19, second spring 19 both ends respectively with 8 inside walls in draw-in groove and 13 lateral wall fixed connection of movable block, regulating

block

16 and 13 lateral walls of movable block all rotate and are connected with round pin axle 20, connecting rod 15 both ends rotate respectively and cup joint on the lateral wall of two round pin axles 20, first spring 18 and second spring 19's setting, can loosen the back at T type pole 17, make T type pole 17 reset, and then make L type pole 14 insert the slot that corresponds on the connecting block 9 once more, accomplish the fixed to U type board 10 and gyro wheel 11.

Wherein, the bottom fixedly connected with U template 10 of connecting block 9, U template 10 inside wall rotates and is connected with gyro wheel 11.

The working principle of the utility model is as follows:

when the paper is fed, the paper is in contact with each roller 11, and through the arrangement of the rollers 11, the paper which is not flat can be effectively pressed to be flat, and meanwhile, the deformed paper seam can be forcedly flattened, so that the problem that the seam is kept flat when the paper moves is solved.

When the roller 11 needs to be replaced, only the T-shaped rod 17 on the corresponding roller 11 needs to be pressed downwards, the T-shaped rod 17 extrudes the first spring 18 and drives the moving block 13 to move towards two sides under the cooperation of the connecting rod 15, the moving block 13 extrudes the second spring 19 and simultaneously drives the corresponding L-shaped rod 14 to move towards two sides, the L-shaped rod 14 is separated from the connecting block 9, the connecting block 9 can be taken out of the clamping groove 8, the corresponding roller 11 is disassembled, the T-shaped rod 17 is loosened after the disassembly, the T-shaped rod 17 is reset under the driving of the first spring 18 and the second spring 19, in the disassembly process, one hand extrudes the T-shaped rod 17, the other hand needs to hold the connecting block 9, and the connecting block 9 is prevented from falling and damaging the paper below after the L-shaped rod 14 is separated from the connecting block 9.

During the installation, only need press T type pole 17 and make two L type poles 14 separation, insert connecting block 9 in the draw-in groove 8, the top of connecting block 9 offsets with the inside wall of back lateral wall and draw-in groove 8, loosen T type pole 17, L type pole 14 reinserts the slot that corresponds when T type pole 17 resets in, the position of fixed roller 11, it need not to shut down when installing alone or dismantling gyro wheel 11, the installation and the dismantlement work of giving gyro wheel 11 have brought the facility, offset press's printing efficiency has been guaranteed.

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 paper pressing device for the offset press comprises a paper conveying part front gauge (1) and is characterized in that a plurality of connecting shafts (2) are connected onto the paper conveying part front gauge (1), a plurality of movable blocks (3) are sleeved on the outer side walls of the connecting shafts (2), mounting blocks (4) are arranged on the front sides of the movable blocks (3), the mounting blocks (4) located on two sides are connected with the corresponding movable blocks (3) through first telescopic rods (5), the mounting block (4) located in the middle is connected with the corresponding movable block (3) through a second telescopic rod (6), and two adjacent mounting blocks (4) are connected through fixing rods (7);

draw-in groove (8) are seted up to installation piece (4) lateral wall, draw-in groove (8) inside wall joint has connecting block (9), be equipped with the stop gear with connecting block (9) looks adaptation in draw-in groove (8), connecting block (9) bottom fixedly connected with U template (10), U template (10) inside wall rotates and is connected with gyro wheel (11).

2. The paper pressing device for the offset printing machine is characterized in that the first telescopic rod (5) comprises a threaded sleeve (51) and a threaded rod (52), the threaded rod (52) is in threaded connection with the inner side wall of the threaded sleeve (51), and the opposite ends of the threaded sleeve (51) and the threaded rod (52) are respectively in rotating connection with the outer side walls of the corresponding movable block (3) and the corresponding mounting block (4).

3. The paper pressing device for the offset printing machine according to claim 1, wherein the second telescopic rod (6) comprises an outer sleeve rod (61) and an inner sleeve rod (62), the outer side wall of the outer sleeve rod (61) is provided with a moving groove matched with the inner sleeve rod (62), the inner sleeve rod (62) is slidably connected with the inner side wall of the moving groove through a flat key, and the opposite ends of the outer sleeve rod (61) and the inner sleeve rod (62) are fixedly connected with the outer side walls of the corresponding movable block (3) and the corresponding mounting block (4), respectively.

4. The paper pressing device for offset printing machine according to claim 1, wherein said limiting mechanism comprises two cross bars (12) fixedly connected with the inner side wall of the slot (8), a moving block (13) is sleeved on the outer side wall of the cross rod (12) in a sliding manner, an L-shaped rod (14) is fixedly connected to the bottom of the moving block (13), the outer side wall of the connecting block (9) is provided with a slot matched with the L-shaped rod (14), the outer side wall of the moving block (13) is rotatably connected with a connecting rod (15), the outer side wall of the top of the connecting rod (15) is rotatably connected with adjusting blocks (16), a T-shaped rod (17) is fixedly connected between the two adjusting blocks (16), the top of the T-shaped rod (17) penetrates through the mounting block (4) and extends upwards, and the bottom of the T-shaped rod (17) is connected with the inner side wall of the clamping groove (8) through a plurality of first springs (18).

5. The paper pressing device for the offset printing machine according to claim 4, wherein a second spring (19) is sleeved outside the cross bar (12), and two ends of the second spring (19) are respectively and fixedly connected with the inner side wall of the clamping groove (8) and the outer side wall of the moving block (13).

6. The paper pressing device for the offset printing machine according to claim 4, wherein the adjusting block (16) and the moving block (13) are rotatably connected with a pin (20) on the outer side wall, and the two ends of the connecting rod (15) are rotatably sleeved on the outer side walls of the two pin (20) respectively.