CN216231180U

CN216231180U - Net rack lifting device of printing machine

Info

Publication number: CN216231180U
Application number: CN202122198313.0U
Authority: CN
Inventors: 刘友刚; 赵军; 温东云
Original assignee: Blue Ocean Printing Art Shandong Cultural Creativity Co ltd
Current assignee: Blue Ocean Printing Art Shandong Cultural Creativity Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-04-08
Anticipated expiration: 2031-09-13

Abstract

The utility model provides a net rack lifting device of a printing machine, which comprises a supporting seat, universal wheels, multistage hydraulic cylinders and a lifting plate, wherein the universal wheels are arranged at the left end and the right end of the bottom of the supporting seat, the multistage hydraulic cylinders are vertically arranged at the left end and the right end inside the supporting seat, the lifting plate is fixed at the output ends above the two multistage hydraulic cylinders through push rods, limiting plates are vertically arranged at the left end and the right end of the upper surface of the supporting seat, limiting columns are vertically arranged at the inner sides of the limiting plates, extending holes are formed in the upper ends and the lower ends of the left side and the right side of the lifting plate, cleaning assemblies are arranged inside the extending holes, and lubricating assemblies are arranged at the left end and the right end inside the lifting plate. The utility model can automatically lubricate the inner wall of the limiting column and the outer wall of the limiting plate in the lifting process, and can scrape and clean sundries adhered to the inner wall of the limiting plate, thereby improving the stability of the lifting plate in the lifting process and ensuring that the net rack can be lifted more smoothly.

Description

Net rack lifting device of printing machine

Technical Field

The utility model relates to the technical field of printing equipment, in particular to a net rack lifting device of a printing machine.

Background

Modern printing machines generally comprise mechanisms such as plate loading, inking, impressing, paper conveying, printing net rack and the like, and the working principle of the modern printing machine is as follows: firstly, making characters and images to be printed into a printing plate, installing the printing plate on a printing machine, then manually or indirectly coating ink on the position, on which the characters and images are positioned, of the printing plate, and then directly or indirectly transferring the ink onto paper or other printing stocks on a net rack of the printing machine so as to copy printed matters identical to the printing plate;

according to the net rack lifting device of the printing machine with the patent number ZL202020971253.4 in the prior art, through the matched arrangement of a first hydraulic machine, a lifting plate, a second hydraulic machine, a supporting column, a T-shaped sliding groove, a T-shaped sliding block and a limiting block, a worker starts the first hydraulic machine and the second hydraulic machine and then pushes the lifting plate, the T-shaped sliding block is prevented from falling off through the limiting block, the T-shaped sliding block in the supporting column moves through the T-shaped sliding groove, and the net rack is more stable during lifting through the T-shaped sliding groove;

through research and analysis, the following results are found:

when the T-shaped sliding block moves up and down for a long time through the T-shaped sliding groove, due to the fact that the environment in a factory workshop is complex, dust or sundries can be adhered to the inner wall and the outer wall of the T-shaped sliding groove and the inner wall and the outer wall of the T-shaped sliding block, and the lifting plate can shake poorly due to blocking in the moving process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a net rack lifting device of a printing machine.

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

the utility model provides a rack elevating gear of printing machine, includes supporting seat, universal wheel, multistage pneumatic cylinder and lifter plate, the universal wheel is all installed to the left and right ends of supporting seat bottom, the equal vertical multistage pneumatic cylinder of installing of the end about supporting seat is inside, two the output of multistage pneumatic cylinder top is fixed with the lifter plate through the push rod, the equal vertical limiting plate of installing of the left and right ends of supporting seat upper surface, the equal vertical spacing post of installing in inboard of limiting plate, the equal trompil of the upper and lower end of lifter plate left and right sides is provided with extends the hole, the inside in hole all is provided with clean subassembly, the lubrication assembly is all installed to the end about the lifter plate is inside.

Preferably, the left end and the right end of the lifting plate are vertically provided with limiting holes, the cross sectional area of each limiting hole is consistent with that of each limiting column, and the limiting columns are embedded in the limiting holes of the lifting plate.

Preferably, clean subassembly includes cleaning plate, spliced pole and pressure spring, the cleaning plate sets up in the outside of clean subassembly, the inboard of cleaning plate is fixed with the spliced pole, the inboard of spliced pole is connected with pressure spring, fixed connection between pressure spring and the inner wall that extends the hole.

Preferably, the outer walls of the cleaning plate and the lifting plate are tightly attached to the inner wall of the limiting plate, and the connecting column slides up and down in the extending hole in the horizontal direction.

Preferably, lubricated subassembly includes interior crown plate, ball, notes oil pipe and oil pipe, interior crown plate sets up the middle part at lubricated subassembly, the inside of interior crown plate all rotates and is connected with the ball, the inboard top and the outside below of interior crown plate are connected with notes oil pipe and oil pipe respectively.

Preferably, the balls are arranged around the middle part of the inner ring plate in a circular ring shape, and the inner sides of the balls extend out of the inner ring plate and cling to the outer wall of the limiting column.

Preferably, a certain distance exists between the upper part of the middle part of the inner ring plate and the limiting column, one end of the oil seepage pipe is arranged below the position between the middle part of the inner ring plate and the limiting column, and the other end of the oil seepage pipe is arranged on the outer wall of the lifting plate.

The control switch is installed at the upper left of the limiting plate, and the multistage hydraulic cylinders are electrically connected with an external power supply independently through the control switch.

The other end of the oil injection pipe is arranged on the outer side of the upper surface of the lifting plate, and a sealing plug is embedded into the upper surface of the oil injection pipe.

The utility model provides a net rack lifting device of a printing machine, which has the following beneficial effects:

the lifting plate can automatically lubricate the inner wall of the limiting column and the outer wall of the limiting plate in the lifting process, and can scrape and clean sundries adhered to the inner wall of the limiting plate, so that the stability of the lifting plate in the lifting process is improved, the lifting is smoother, and the shaking of the lifting plate in the lifting process is avoided.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a schematic front view of a part of the structure of the lifter plate of the present invention;

FIG. 3 is an enlarged view of FIG. 1A of the present invention;

FIG. 4 is an enlarged view of FIG. 1B of the present invention.

Illustration of the drawings:

supporting seat 1, universal wheel 101, multistage pneumatic cylinder 2, limiting plate 3, spacing post 301, lifter plate 4, extension hole 401, spacing hole 402, cleaning plate 5, spliced pole 501, compression spring 502, interior crown plate 6, ball 601, oiling pipe 602, oil impregnate pipe 603.

Detailed Description

Referring to fig. 1-4, a rack elevating gear of printing machine, including supporting seat 1, universal wheel 101, multistage pneumatic cylinder 2 and lifter plate 4, universal wheel 101 is all installed to the left and right ends of 1 bottom of supporting seat, the equal vertical multistage pneumatic cylinder 2 of installing in the end about 1 inside of supporting seat, the output of two multistage pneumatic cylinder 2 tops is fixed with lifter plate 4 through the push rod, the equal vertical limiting plate 3 of installing in the left and right ends of 1 upper surface of supporting seat, limiting plate 3, the equal vertical spacing post 301 of installing of inboard, the equal trompil of the upper and lower ends of the 4 left and right sides of lifter plate is provided with extension hole 401, the inside of extending hole 401 all is provided with clean subassembly, lubricated subassembly is all installed to the end about lifter plate 4 is inside.

In this embodiment, the equal vertical trompil of left and right ends of lifter plate 4 is provided with spacing hole 402, the cross-sectional area of spacing hole 402 is unanimous with the cross-sectional area of spacing post 301, spacing post 301 embedding sets up in the spacing hole 402 of lifter plate 4, two multistage hydraulic cylinders 2 promote simultaneously or stimulate lifter plate 4 gliding in-process from top to bottom between two limiting plates 3, because the outer wall of lifter plate 4 hugs closely the inner wall of limiting plate 3, the spacing hole 402 nestification of lifter plate 4 is in the outside of spacing post 301, and prevent the in-process slope that lifter plate 4 reciprocated, further improvement the stability of lifter plate 4 lift in-process.

In this embodiment, the cleaning assembly includes cleaning plate 5, spliced pole 501 and pressure spring 502, cleaning plate 5 sets up the outside at the cleaning assembly, cleaning plate 5's inboard is fixed with spliced pole 501, spliced pole 501's inboard is connected with pressure spring 502, fixed connection between pressure spring 502 and the inner wall that extends hole 401, lifter plate 4 is at the gliding in-process from top to bottom, cleaning plate 5 of lower extreme can prevent to glue foreign matters such as the dust that glues at limiting plate 3 inner wall and directly contact with lifter plate 4 on its outside, and cause lifter plate 4 to go up and down the in-process shake.

In this embodiment, limiting plate 3's inner wall is all hugged closely to the outer wall of cleaning plate 5 and lifter plate 4, and spliced pole 501 slides from top to bottom in extending hole 401, and lifter plate 4 is gliding in-process from top to bottom, and the cleaning plate 5 of hugging closely at the limiting plate 3 inner wall can scrape debris such as the sticky dust of limiting plate 3 inner wall, prevents to glue in a large number and glues the normal lift of foreign matter such as the dust of sticking at the limiting plate 3 inner wall influence lifter plate 4 in-process that slides from top to bottom.

In this embodiment, lubricated subassembly includes interior crown plate 6, ball 601, oiling pipe 602 and oil pipe 603, interior crown plate 6 sets up the middle part at lubricated subassembly, the inside of interior crown plate 6 all rotates and is connected with ball 601, the inboard top and the outside below of interior crown plate 6 are connected with oiling pipe 602 and oil pipe 603 respectively, ball 601 in interior crown plate 6 rotates, paint lubricating oil at spacing post 301's outer wall, the lubricating oil that spacing post 301 outer wall was many out in the slip in-process can be along the inner wall at limiting plate 3 of oil pipe 603 landing, lubricate limiting plate 3's inner wall simultaneously, make 4 lifts by lifter more smooth and easy.

In this embodiment, ball 601 is the ring form setting around the middle part of interior crown plate 6, the inboard of ball 601 stretches out and hugs closely at spacing post 301's outer wall from interior crown plate 6, lifter plate 4 is at gliding in-process from top to bottom, hug closely the rotation in interior crown plate 6 of ball 601 at spacing post 301 outer wall simultaneously, paint lubricating oil at spacing post 301's outer wall, lubricate spacing post 301 outside, reduce the frictional force between spacing post 301 and the lifter plate 4, lifter plate 4 goes up and down more smoothly.

In this embodiment, there is certain interval between the middle part top of interior crown plate 6 and the spacing post 301, the one end setting of oil seepage pipe 603 is including the middle part of crown plate 6 and the below between the spacing post 301, the other end setting of oil seepage pipe 603 is at the outer wall of lifter plate 4, the excessive lubricating oil of spacing post 301 outer wall can be along oozing the inner wall of oil pipe 603 landing at limiting plate 3 in the slip in-process, thereby can lubricate the inner wall of limiting plate 3 simultaneously, let lifter plate 4 go up and down more smoothly.

The main function of the pressure spring 502 is to compress the impurities when contacting the impurities, and the subsequently generated bounce force pushes the impurities to bounce off through the connecting column 501 and the cleaning plate 5.

The working principle is as follows: after the net rack is arranged on the lifting plate 4, in the process that the two multi-stage hydraulic cylinders 2 simultaneously push or pull the lifting plate 4 to slide up and down between the two limiting plates 3, because the outer wall of the lifting plate 4 is tightly attached to the inner wall of the limiting plate 3 and the limiting holes 402 of the lifting plate 4 are nested at the outer side of the limiting columns 301, the lifting plate 4 is prevented from inclining in the process of moving up and down;

lifter plate 4 is at gliding in-process from top to bottom, hugs closely and can scrape debris such as sticky dust to the 3 inner walls of limiting plate at the cleaning plate 5 of 3 inner walls of limiting plate, and ball 601 in the interior crown plate 6 rotates simultaneously, paints the outer wall at spacing post 301 with lubricating oil, and the excessive lubricating oil of spacing post 301 outer wall can be lubricated the inner wall at limiting plate 3 along oozing oil pipe 603 landing simultaneously to limiting plate 3's inner wall, goes up and down more smoothly.

Claims

1. A net rack lifting device of a printing machine comprises a supporting seat (1), universal wheels (101), a multi-stage hydraulic cylinder (2) and a lifting plate (4), universal wheels (101) are respectively installed at the left end and the right end of the bottom of the supporting seat (1), multi-stage hydraulic cylinders (2) are respectively vertically installed at the left end and the right end of the inner part of the supporting seat (1), lifting plates (4) are fixed at output ends above the two multi-stage hydraulic cylinders (2) through push rods, it is characterized in that the left end and the right end of the upper surface of the supporting seat (1) are both vertically provided with a limiting plate (3), the inner sides of the limit plates (3) are vertically provided with limit columns (301), the upper and lower ends of the left and right sides of the lifting plate (4) are provided with extending holes (401), the inside in extension hole (401) all is provided with clean subassembly, lubricated subassembly is all installed to the left and right ends in lifter plate (4) inside.

2. The net rack lifting device of the printing machine according to claim 1, wherein the left end and the right end of the lifting plate (4) are vertically provided with limiting holes (402), the cross-sectional area of each limiting hole (402) is consistent with that of each limiting column (301), and the limiting columns (301) are embedded in the limiting holes (402) of the lifting plate (4).

3. The net rack lifting device of the printing machine according to claim 1, wherein the cleaning assembly comprises a cleaning plate (5), a connecting column (501) and a pressure spring (502), the cleaning plate (5) is arranged on the outer side of the cleaning assembly, the connecting column (501) is fixed on the inner side of the cleaning plate (5), the pressure spring (502) is connected to the inner side of the connecting column (501), and the pressure spring (502) is fixedly connected with the inner wall of the extending hole (401).

4. The screen frame lifting device of the printing machine is characterized in that the outer walls of the cleaning plate (5) and the lifting plate (4) are tightly attached to the inner wall of the limiting plate (3), and the connecting column (501) horizontally slides up and down in the extending hole (401).

5. The screen frame lifting device of the printing machine according to claim 1, wherein the lubricating assembly comprises an inner ring plate (6), balls (601), an oil filling pipe (602) and an oil seepage pipe (603), the inner ring plate (6) is arranged in the middle of the lubricating assembly, the balls (601) are rotatably connected to the inner part of the inner ring plate (6), and the oil filling pipe (602) and the oil seepage pipe (603) are respectively connected to the upper part and the lower part of the inner side of the inner ring plate (6).

6. The screen frame lifting device of the printing machine according to claim 5, wherein the balls (601) are annularly arranged around the middle part of the inner ring plate (6), and the inner sides of the balls (601) extend out of the inner ring plate (6) and cling to the outer wall of the limiting column (301).

7. The rack lifting device of the printing machine according to claim 5, wherein a certain distance exists between the upper middle part of the inner ring plate (6) and the limiting column (301), one end of the oil seepage pipe (603) is arranged below the middle part of the inner ring plate (6) and the limiting column (301), and the other end of the oil seepage pipe (603) is arranged on the outer wall of the lifting plate (4).