CN211366442U

CN211366442U - Offset press for improving flatness of product

Info

Publication number: CN211366442U
Application number: CN201920735141.6U
Authority: CN
Inventors: 管冬男
Original assignee: Suzhou Fujita Printing Co ltd
Current assignee: Suzhou Fujita Printing Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-08-28
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses an offset press for improving product flatness, which is applied to the technical field of printing machines and solves the technical problem that wrinkles and creases are easy to generate in the production process of self-adhesive label paper, and comprises an offset printing mechanism, a paper rolling mechanism and a leveling mechanism, wherein the leveling mechanism comprises a working frame, guide rollers and adjusting rollers, N guide rollers (N is more than or equal to 1 and is an integer) are arranged at the upper end of the working frame in parallel, N +1 adjusting rollers are arranged at the lower end of the working frame in parallel, the guide rollers and the adjusting rollers are parallel and are arranged in a cross way, and the self-adhesive label paper sequentially passes through the adjusting rollers and the guide rollers; the two sides of the working frame are fixedly connected with vertical mounting columns, mounting blocks are sleeved on the mounting columns, linear bearings are fixedly connected to the mounting blocks, adjusting rods are inserted into the linear bearings, and the adjusting rollers are sleeved on the adjusting rods; the adhesive label paper has the effects of improving the flatness of the adhesive label paper and having no crease.

Description

Offset press for improving flatness of product

Technical Field

The utility model relates to a technical field of printing machine, in particular to improve offset press of product roughness.

Background

An offset printing machine is widely applied to the printing industry as one of flat printing machines, and the printing principle is as follows: when printing, the printing pattern is first printed on the rubber cylinder from the printing plate, and then the rubber cylinder is transferred to the paper.

The prior Chinese patent with publication number CN207416249U discloses an offset printing machine, which comprises a paper feeding mechanism, a paper feeding roller, an impression roller, a blanket roller, a plate roller, an ink supplying mechanism, a water supplying mechanism, a paper collecting mechanism and a first roller component, dust removal mechanism and second roller subassembly, the cylinder of form advancing is rubber drum and the surface has wear-resisting frosting, first roller subassembly and second roller subassembly all include, lower roller, dust removal mechanism includes the housing, go up the roller bearing, lower roller bearing, including a motor, an end cap, a controller, and a cover plate, the action wheel and follow the driving wheel, on, the roller bearing periphery all is equipped with the brush hair down, action wheel and last roller bearing coaxial coupling down, from driving wheel and lower roller bearing coaxial coupling, the action wheel meshes with following driving wheel, motor drive action wheel rotates, the housing cover is located, the outside dust removal case that forms of lower roller bearing, the housing middle part is equipped with the passageway that is used for the paper to pass through, the.

The above prior art solutions have the following drawbacks: in the offset printing process of the self-adhesive label paper, the self-adhesive label paper can be loosened after the paper feeding mechanism and the paper collecting mechanism work for a long time, so that wrinkles and creases are easily generated, and the surface flatness is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improve offset press of product roughness has the non-setting adhesive label that makes between paper feeding mechanism and the winder mechanism and is in the state of straightening, improves the effect of non-setting adhesive label paper roughness.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an offset press for improving the flatness of a product comprises an offset printing mechanism and a paper winding mechanism, wherein a leveling mechanism is arranged between the offset printing mechanism and the paper winding mechanism and comprises a working frame, guide rollers and adjusting rollers, N guide rollers are arranged at the upper end of the working frame in parallel, N is not less than 1 and is an integer, N +1 adjusting rollers are arranged at the lower end of the working frame in parallel, the guide rollers and the adjusting rollers are parallel and crossed, and self-adhesive label paper sequentially passes through the adjusting rollers and the guide rollers;

the two sides of the working frame are fixedly connected with vertical mounting columns, mounting blocks are sleeved on the mounting columns, linear bearings are fixedly connected onto the mounting blocks, adjusting rods are inserted into the linear bearings, and the adjusting rollers are sleeved on the adjusting rods.

By adopting the technical scheme, the leveling mechanism is provided with a plurality of groups of guide rollers and adjusting rollers, the self-adhesive label paper produced from the offset printing mechanism sequentially passes through the plurality of groups of guide rollers and adjusting rollers, and finally the self-adhesive label paper led out from the leveling mechanism is in a stretched state and is collected by the paper winding mechanism, so that the self-adhesive label paper is not easy to wrinkle or crease; the linear bearing enables the adjusting rod to rotate relative to the mounting block more smoothly, the adjusting roller sleeves the adjusting rod, the adjusting roller and the adjusting rod rotate relative to each other around the mounting block, friction between the self-adhesive label paper and the adjusting roller is further reduced, the self-adhesive label paper is better adjusted, and the self-adhesive label paper is in a stretched state and is not easy to generate creases.

The utility model discloses further set up to: the upper end of the working frame is fixedly connected with a horizontal fixing rod, the fixing rod and the adjusting rod are arranged in parallel, and the guide roller is sleeved on the fixing rod.

Through adopting above-mentioned technical scheme, the dead lever sets up in the middle of the adjacent regulation pole, and the guide roller cover is located on the dead lever, and the guide roller has the guide effect to self-adhesive label paper entering next regulating roller, and guide roller can reduce the frictional force that self-adhesive label paper moved and received in levelling mechanism moreover for self-adhesive label paper slides more smoothly.

The utility model discloses further set up to: the two ends of the fixing rod are fixedly connected with deep groove ball bearings, inner rings of the deep groove ball bearings are in interference fit with the fixing rod, and outer rings of the deep groove ball bearings are in interference fit with the guide idler wheels.

Through adopting above-mentioned technical scheme, deep groove ball bearing's coefficient of friction is little, and the noise is low at the during operation moreover, and more smooth when direction gyro wheel and dead lever take place relative rotation.

The utility model discloses further set up to: the adjusting rod is provided with a convex block, the adjusting roller is internally provided with a groove, and the adjusting roller is connected with the adjusting rod in a clamping manner.

By adopting the technical scheme, the convex block and the groove are mutually clamped, and the adjusting roller and the adjusting rod are convenient to fix and disassemble; the convex block and the groove have a transmission function, and the adjusting roller and the adjusting rod rotate around the linear bearing simultaneously.

The utility model discloses further set up to: the mounting block is provided with a mounting hole matched with the mounting rod, the side wall of the mounting block is also provided with an adjusting hole used for adjusting the height of the mounting block, the adjusting hole is perpendicular to the mounting hole and penetrates through the mounting hole, and the adjusting hole is internally threaded with a tightening bolt.

Through adopting above-mentioned technical scheme, the installation piece can reciprocate and fix through supporting tight bolt along the length direction of installation pole, and what correspond can adjust convenient operation, swift to the height of single regulation pole according to actual need.

The utility model discloses further set up to: one side fixedly connected with regulating plate that linear bearing was kept away from to the installation piece, the lower limb fixedly connected with hook spring of workstation, the other end of hook spring passes through adjusting part and is connected with the regulating plate.

Through adopting above-mentioned technical scheme, self-adhesive label paper is in the in-process of production to collection, and the installation piece slides along the length direction of installation pole, and the range that the hook spring can restrict the installation and slide, and the hook spring can give the tensile size of adjusting the pole according to self-adhesive label paper, adjusts the position of adjusting the pole for self-adhesive label paper in the leveling mechanism is in the state of stretching straight.

The utility model discloses further set up to: the adjusting assembly comprises an adjusting bolt, a locking nut and a limiting nut, a waist-shaped hole is formed in the adjusting plate, the adjusting bolt penetrates through the waist-shaped hole and is in threaded connection with the locking nut, the adjusting bolt is further in threaded connection with the limiting nut, and one end of the hook spring is sleeved between the locking nut and the limiting nut.

Through adopting above-mentioned technical scheme, waist type hole makes adjusting bolt position on the regulating plate adjustable, and lock nut is used for the fixed position of inserting the adjusting bolt who locates in waist type hole, and what be used for between limit nut and the lock nut fixes the hook spring, and the hook spring is difficult for following adjusting bolt and sliding down.

The utility model discloses further set up to: the mounting column is further provided with two limiting blocks used for limiting the positions of the mounting blocks, semicircular notches are formed in the limiting blocks, and the two limiting blocks are fixedly connected through limiting bolts.

Through adopting above-mentioned technical scheme, the stopper can restrict the position that the installation piece slided along the installation pole, and the height of regulation pole is adjusted to the actual conditions of convenience according to non-setting adhesive label paper.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the guide rollers and the adjusting rollers, the self-adhesive label paper can be in a stretched state in the leveling mechanism, and wrinkles or creases are not easy to generate;

2. through the arrangement of the mounting block and the abutting bolt, the height of the mounting block can be adjusted according to actual conditions, and adhesive label paper in the leveling mechanism is further tightened;

3. the installation block, the adjusting component and the limiting block are arranged, so that the installation block can slide on the installation rod, and the tightness degree of the self-adhesive label paper in the leveling mechanism can be adjusted in real time according to the pressure of the self-adhesive label paper on the adjusting rod.

Drawings

FIG. 1 is a schematic overall structure diagram of the first embodiment;

FIG. 2 is a schematic diagram of a leveling mechanism embodied in the first embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is an enlarged view of portion C of FIG. 2;

FIG. 6 is a schematic view showing the overall structure of the second embodiment;

FIG. 7 is a schematic view for embodying a leveling mechanism in the second embodiment;

fig. 8 is an enlarged view of a portion D in fig. 7.

In the figure, 1, an offset printing mechanism; 2. a paper winding mechanism; 3. a leveling mechanism; 31. a working frame; 32. a guide roller; 33. adjusting the roller; 331. a groove; 4. mounting a column; 41. mounting blocks; 411. mounting holes; 412. an adjustment hole; 413. tightly abutting against the bolt; 42. a linear bearing; 43. an adjusting plate; 431. a kidney-shaped hole; 5. adjusting a rod; 51. a bump; 6. fixing the rod; 61. a deep groove ball bearing; 7. an adjustment assembly; 71. adjusting the bolt; 72. locking the nut; 73. a limit nut; 8. a hook spring; 9. a limiting block; 91. a semicircular notch; 92. and a limiting bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: as shown in fig. 1, for the utility model discloses an improve offset press of product roughness, including offset press mechanism 1, levelling mechanism 3 and winder mechanism 2, levelling mechanism 3 is used for adjusting the elasticity degree of non-setting adhesive label paper, makes it be difficult for producing fold or crease. The offset printing mechanism 1 and the winding mechanism 2 are mentioned in the background art and will not be described in detail herein.

As shown in fig. 1, the leveling mechanism 3 includes a work frame 31, guide rollers 32 and adjusting rollers 33, in this embodiment, 3 guide rollers 32 are arranged in parallel at the upper end of the

work frame

31, 4 adjusting rollers 33 are arranged in parallel at the lower end of the work frame 31, the guide rollers 32 and the adjusting rollers 33 are parallel to each other, and the guide rollers 32 are located right above the middle of two adjacent adjusting rollers 33; the finished self-adhesive label paper produced from the offset printing mechanism 1 passes through a plurality of regulating rollers 33 and guide rollers 32 in sequence, and is finally collected by the paper winding mechanism 2.

As shown in fig. 2 and 3, a horizontal fixing rod 6 is fixedly connected to the upper end of the working frame 31, deep groove ball bearings 61 are fixedly connected to two ends of the fixing rod 6, inner rings of the deep groove ball bearings 61 are in interference fit with the fixing rod 6, outer rings of the deep groove ball bearings 61 are in interference fit with the guide rollers 32, and the guide rollers 32 are enabled to rotate around the fixing rod 6 more smoothly by the deep groove ball bearings 61, so that the corresponding self-adhesive label paper moves more smoothly.

As shown in fig. 2 and 4, two sides of the working frame 31 are fixedly connected with vertical mounting posts 4, mounting blocks 41 are sleeved on the mounting posts 4, and linear bearings 42 are fixedly connected to the mounting blocks 41; the adjusting roller 33 is internally provided with a groove 331, the adjusting rod 5 is provided with a convex block 51, the convex block 51 is clamped with the groove 331, the corresponding adjusting roller 33 is fixed on the adjusting rod 5, two ends of the adjusting rod 5 are inserted into the corresponding linear bearings 42, and the adjusting rod 5 and the fixed rod 6 are arranged in parallel. The adjusting roller 33 and the adjusting rod 5 rotate synchronously around the linear bearing 42, so that the friction force between the self-adhesive label paper and the adjusting roller 33 is reduced, and the self-adhesive label paper is not easy to wrinkle or crease.

As shown in fig. 2 and 4, an adjusting plate 43 is fixedly connected to one side of the mounting block 41 away from the linear bearing 42, an adjusting assembly 7 is mounted on the adjusting plate 43, and the adjusting assembly 7 includes an adjusting bolt 71, a lock nut 72 and a limit nut 73; the adjusting plate 43 is provided with a waist-shaped hole 431 along the vertical direction, the adjusting bolt 71 penetrates through the waist-shaped hole 431 and is in threaded connection with the locking nut 72, and the position of the adjusting bolt 71 in the waist-shaped hole 431 can be adjusted; the adjusting bolt 71 is further connected with a limiting nut 73 through threads, one section of the adjusting bolt 71, which is located between the locking nut 72 and the limiting nut 73, is used for fixing the hook spring 8, the connection between the hook spring 8 and the adjusting bolt 71 is more stable, and the other end of the hook spring 8 is fixedly connected with the lower edge of the workbench.

As shown in fig. 2 and 5, the mounting post 4 is further provided with a limiting block 9, the limiting block 9 is provided with a semicircular notch 91, the two limiting blocks 9 are fixedly connected through a limiting bolt 92, the limiting block 9 can limit the sliding range of the mounting block 41 along the mounting rod, and the limiting blocks 9 are connected through the limiting bolt 92, so that the mounting and the removal are convenient.

The implementation principle of the above embodiment is as follows: the adhesive label paper produced from the offset printing mechanism 1 enters the leveling mechanism 3 and sequentially passes through the plurality of leveling rollers and the guide roller 32. Under the action of the hook spring 8, the mounting block 41 slides along the length direction of the mounting rod due to the pressure of the self-adhesive label paper, the adjusting roller 33 adjusts the tightness degree of the self-adhesive label paper in the leveling mechanism 3 in real time, and the self-adhesive label paper in a stretched state is not easy to generate wrinkles or creases; the guide roller 32 has the function of adjusting the direction of the self-adhesive label paper; according to the requirements of adjusting different heights of the roller 33, the limit block 9 can control the sliding range of the mounting block 41 along the mounting rod. The self-adhesive label paper processed by the leveling mechanism 3 is in a stretched state and is finally collected by the paper winding mechanism 2.

Example 2: as shown in fig. 6, for the utility model discloses an improve offset press of product roughness, including offset press mechanism 1, levelling mechanism 3 and winder mechanism 2, levelling mechanism 3 is used for adjusting the elasticity degree of non-setting adhesive label paper, makes it be difficult for producing fold or crease. The leveling mechanism 3 comprises a working frame 31, guide rollers 32 and adjusting rollers 33, in this embodiment, 3 guide rollers 32 are arranged at the upper end of the working frame 31 in parallel, 4 adjusting rollers 33 are arranged at the lower end of the working frame 31 in parallel, and the guide rollers 32 and the adjusting rollers 33 are arranged in parallel and in a crossed manner; the finished self-adhesive label paper produced from the offset printing mechanism 1 passes through a plurality of regulating rollers 33 and guide rollers 32 in sequence, and is finally collected by the paper winding mechanism 2.

As shown in fig. 7 and 8, the difference between the embodiment 2 and the embodiment 1 is that the mounting block 41 is provided with a mounting hole 411 adapted to the mounting rod, the side wall of the mounting block 41 is further provided with an adjusting hole 412, the adjusting hole 412 is perpendicular to the mounting hole 411 and penetrates through the mounting hole 411, the adjusting hole 412 is internally threaded with a tightening bolt 413, the tightening bolt 413 and the adjusting hole 412 can be used for adjusting the height of the mounting block 41, when the tightening bolt 413 is tightened against the mounting rod, the mounting block 41 is fixed on the mounting rod, and the height of the single adjusting rod 5 can be adjusted according to actual needs.

The implementation principle of the above embodiment is as follows: the adjusting holes 412 and the abutting bolts 413 are arranged, so that the height of the mounting block 41 can be adjusted according to actual needs, and the height of the corresponding adjusting rod 5 can be adjusted. The self-adhesive label paper produced from the offset printing mechanism 1 sequentially passes through the fixed roller and the adjusting rollers 33 with different heights, and the self-adhesive label paper is in a stretched state and is not easy to generate wrinkles or creases.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an improve offset press of product roughness, includes offset press mechanism (1) and winder mechanism (2), its characterized in that: a leveling mechanism (3) is further arranged between the offset printing mechanism (1) and the paper rolling mechanism (2), the leveling mechanism (3) comprises a working frame (31), guide rollers (32) and adjusting rollers (33), N guide rollers (32) are arranged at the upper end of the working frame (31) in parallel, N is not less than 1, N is an integer, N +1 adjusting rollers (33) are arranged at the lower end of the working frame (31) in parallel, the guide rollers (32) and the adjusting rollers (33) are parallel and are arranged in a crossed mode, and self-adhesive label paper sequentially penetrates through the adjusting rollers (33) and the guide rollers (32); the utility model discloses a work frame, including the both sides fixedly connected with of working frame (31) vertical erection column (4), the cover is equipped with installation piece (41) on erection column (4), fixedly connected with linear bearing (42) are gone up in installation piece (41), linear bearing (42) interpolation is equipped with adjusts pole (5), adjust gyro wheel (33) cover is located on adjusting pole (5).

2. The offset printing press for improving the flatness of a product according to claim 1, wherein: the upper end of the working frame (31) is fixedly connected with a horizontal fixing rod (6), the fixing rod (6) and the adjusting rod (5) are arranged in parallel, and the guide roller (32) is sleeved on the fixing rod (6).

3. The offset printing press for improving the flatness of a product according to claim 2, wherein: the two ends of the fixing rod (6) are fixedly connected with deep groove ball bearings (61), the inner rings of the deep groove ball bearings (61) are in interference fit with the fixing rod (6), and the outer rings of the deep groove ball bearings (61) are in interference fit with the guide rollers (32).

4. The offset printing press for improving the flatness of a product according to claim 1, wherein: be equipped with lug (51) on adjusting pole (5), be equipped with recess (331) in adjusting roller (33), adjusting roller (33) and adjusting pole (5) joint.

5. An offset printing press for improving flatness of a product according to claim 1 or 3, wherein: be equipped with on installation piece (41) with mounting hole (411) of installation pole adaptation, still be equipped with on the lateral wall of installation piece (41) and be used for adjusting the regulation hole (412) of installation piece (41) height, regulation hole (412) are perpendicular and run through to mounting hole (411) with mounting hole (411), regulation hole (412) internal thread connection has and supports tight bolt (413).

6. An offset printing press for improving flatness of a product according to claim 1 or 3, wherein: one side fixedly connected with regulating plate (43) that linear bearing (42) were kept away from in installation piece (41), the lower limb fixedly connected with hook spring (8) of workstation, the other end of hook spring (8) is passed through adjusting part (7) and is connected with regulating plate (43).

7. The offset printing press for improving the flatness of a product according to claim 6, wherein: adjusting part (7) include adjusting bolt (71), lock nut (72) and stop nut (73), waist type hole (431) have been seted up on adjusting plate (43), adjusting bolt (71) wear to locate waist type hole (431) and with lock nut (72) threaded connection, last threaded connection that still goes up of adjusting bolt (71) has stop nut (73), the pot head of hook spring (8) is located between lock nut (72) and stop nut (73).

8. The offset printing press for improving the flatness of a product according to claim 7, wherein: the mounting column (4) is further provided with two limiting blocks (9) used for limiting the positions of the mounting blocks (41), semicircular notches (91) are formed in the limiting blocks (9), and the two limiting blocks (9) are fixedly connected through limiting bolts (92).