CN219585493U

CN219585493U - Paper pressing mechanism

Info

Publication number: CN219585493U
Application number: CN202320619824.1U
Authority: CN
Inventors: 宋正治
Original assignee: Chongqing Hengchang Printing Co ltd
Current assignee: Chongqing Hengchang Printing Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-25
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a paper pressing mechanism, which relates to the technical field of offset presses, and aims to solve the problems that the position of a paper pressing wheel is regulated by two motors, the regulation range is limited, the practicability is low, scraps and dust on paper are not generated when the paper is conveyed, and the printing effect is poor. The utility model can extrude paper with different specifications, has a large adjusting range, improves the practicability, can remove dust from the paper while extruding and conveying the paper, and avoids the poor printing effect caused by scraps and dust.

Description

Paper pressing mechanism

Technical Field

The utility model relates to the technical field of offset presses, in particular to a paper pressing mechanism.

Background

Offset presses are one type of lithographic printing press in which a print image is first printed from a plate onto a blanket cylinder and then transferred from the blanket cylinder to a sheet of paper, and in which the sheet of paper is pressed by a platen mechanism.

Through retrieving, chinese patent (application number "201921004820.2") discloses "a press device for offset press", and above-mentioned device includes the paper feeding platform, be connected with transmission on the paper feeding platform, transmission is including a plurality of conveyer belts of following paper feeding platform upper surface transmission, the top butt of conveyer belt has press paper mechanism, press paper mechanism includes the link assembly of rotating with the paper feeding platform to be connected, control link assembly pivoted actuating assembly is installed to link assembly's one end, slidable mounting has a plurality of guide bars on the link assembly, the conveyer belt wears to establish between two adjacent guide bars, slidable mounting has a plurality of pinch roller assemblies on the guide bar, push away paper assembly is installed to the front end of guide bar, however, above-mentioned device has following problem in the use:

1. the position of the paper pressing wheel is regulated through two motors, so that the regulating range is limited, and the practicability is low;

2. when the paper is conveyed, the printing effect is poor without scraps and dust on the paper.

Disclosure of Invention

The utility model provides a paper pressing mechanism, which solves the problems that the position of a paper pressing wheel is regulated by two motors, the regulating range is limited, the practicability is low, and when paper is conveyed, scraps and dust on the paper are avoided, and the printing effect is poor.

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

the utility model provides a paper pressing mechanism, includes elevating system, elevating system includes mounting bracket, lifter plate and four servo electric putter, the lifter plate bottom is equipped with two paper pressing mechanisms, paper pressing mechanism includes installing frame, a plurality of slide bar and a plurality of spring, two all be equipped with adjusting part in the installing frame, adjusting part includes two-way screw rod, two fixed blocks, two installation axles and two platen roller, the lifter plate below is equipped with conveying mechanism, conveying mechanism includes a plurality of fixed tube, dust collecting hood and a plurality of flexible hose, the dust collecting hood both sides all are equipped with extrusion subassembly, extrusion subassembly includes two mounting panels, dead lever and squeeze rolls, the mounting bracket top is equipped with collection mechanism, collection mechanism includes collecting box, filter and dust removal fan.

Preferably, the four servo electric push rods are respectively fixedly arranged on the outer walls of four corners of the top of the mounting frame, and the tops of the lifting plates are respectively fixedly arranged on the outer walls of the bottom ends of the output shafts of the four servo electric push rods.

Through the scheme, the output shafts of the four servo electric push rods are controlled by the servo controller to move, and the lifting plate is driven to move.

Preferably, the slide bar is set firmly on the outer wall of installing frame top, and slide bar upper portion runs through and slidable mounting is on lifter plate top outer wall, the spring housing is located on the outer wall of slide bar lower part, and has set firmly the stopper on the outer wall of slide bar top, two-way screw rod passes through the bearing to be connected on the inner wall of installing frame one side, and two the two-way screw rod other end passes through the bearing to be connected on the outer wall of installing frame one side the fixed block respectively the spiro union on two-way screw rod both ends outer wall, and two fixed blocks form sliding fit with the installing frame respectively, two the installation axle is set firmly respectively on two fixed block opposite one side outer walls, and two installation axle cover are located respectively on two-way screw rod both ends outer wall, two the platen is connected respectively on two installation axle outer walls through the bearing.

Through foretell scheme, descend through the lifter plate and drive four paper pressing wheels and descend, and then make paper pressing wheel and paper contact, the spring receives the extrusion, provides pressure for paper pressing wheel under the effect of spring tension, extrudes paper, rotates two-way screw rod, and two-way screw rod drives two fixed blocks and paper pressing wheel and removes, and then extrudes the paper of different specifications.

Preferably, the fixed pipe is fixedly arranged on the outer wall of the top of the lifting plate, the dust collecting cover is fixedly arranged on the outer wall of the lower part of the fixed pipe, the telescopic hose is connected to the outer wall of the top end of the fixed pipe through a flange, and the top end of the telescopic hose is connected with the mounting pipe through a flange.

Preferably, the two mounting plates are respectively and fixedly arranged on the outer wall of one side of the dust hood, the two ends of the fixing rod are respectively connected to the outer wall of the opposite side of the two mounting plates through bearings, and the squeeze rollers are fixedly arranged on the outer wall of the fixing rod.

Through foretell scheme, through two squeeze rolls and paper contact, the paper is sucked up when avoiding removing dust and is led to the unable transport of paper.

Preferably, the collecting box is connected to the outer wall of the top of the mounting frame through bolts, a plurality of mounting pipes are respectively communicated with the collecting box, the filter plate is fixedly arranged on the inner wall of the bottom of the collecting box, the dust removing fan is connected to the outer wall of the top of the mounting frame through bolts, and the air inlet end of the dust removing fan is communicated with the collecting box through a connecting pipe.

Through the scheme, the dust removal fan is used for sucking the scraps and dust on the paper into the collecting box.

The beneficial effects of the utility model are as follows:

1. be provided with elevating system, paper pressing mechanism and adjusting part, it removes to control four servo electric putter output shafts through servo controller, drive the lifter plate and remove, and then drive four paper pressing wheel and descend, and then make paper pressing wheel and paper contact, the spring receives the extrusion, provide pressure for paper pressing wheel under the effect of spring tension, extrude the paper, rotate two-way screw rod, two fixed blocks and paper pressing wheel remove are driven to two-way screw rod, and then extrude the paper of different specifications, can extrude the paper of different specifications, and accommodation is big, the practicality is improved.

2. Be provided with dust removal mechanism, in absorbing the collecting box with piece and the dust on the paper through dust removal fan, two squeeze rolls squeeze the paper simultaneously, avoid the paper to be absorbed up and lead to the unable transport of paper, can remove dust to the paper when carrying out extrusion to the paper, avoid piece and dust to cause printing effect variation.

In conclusion, the utility model can extrude paper with different specifications, has a large adjusting range, improves the practicability, can remove dust from the paper while extruding and conveying the paper, and avoids the poor printing effect caused by scraps and dust.

Drawings

Fig. 1 is a schematic diagram of a front view cross-section structure of a paper pressing mechanism according to the present utility model.

Fig. 2 is a schematic diagram of a front view cross-section of a lifting mechanism of a paper pressing mechanism according to the present utility model.

Fig. 3 is a schematic side sectional view of a paper pressing mechanism and an adjusting assembly of the paper pressing mechanism according to the present utility model.

Fig. 4 is a schematic diagram of a front view of a cross-section of a conveying mechanism of a paper pressing mechanism according to the present utility model.

Fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present utility model.

Fig. 6 is a schematic front view of a cross-section of a collection mechanism of a paper pressing mechanism according to the present utility model.

In the figure: 1. a lifting mechanism; 101. a mounting frame; 102. a lifting plate; 103. a servo electric push rod; 2. a paper pressing mechanism; 201. a mounting frame; 202. a slide bar; 203. a spring; 204. a limiting block; 3. an adjustment assembly; 301. a bidirectional screw; 302. a fixed block; 303. a mounting shaft; 304. a paper pressing wheel; 4. a conveying mechanism; 401. a fixed tube; 402. a dust collection cover; 403. a flexible hose; 404. installing a pipe; 5. an extrusion assembly; 501. a mounting plate; 502. a fixed rod; 503. a squeeze roll; 6. a collection mechanism; 601. a collection box; 602. a filter plate; 603. a dust removing fan.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a paper pressing mechanism comprises a lifting mechanism 1, two paper pressing mechanisms 2 and two adjusting components 3, wherein the lifting mechanism 1 comprises a mounting frame 101 fixed on an offset press, a lifting plate 102 and four servo electric push rods 103 respectively fixed on the outer walls of four corners of the top of the mounting frame 101, the top of the lifting plate 102 is respectively fixed on the outer walls of the output shafts of the four servo electric push rods 103, the paper pressing mechanism 2 comprises a mounting frame 201, a plurality of sliding rods 202 fixedly arranged on the outer walls of the top of the mounting frame 201 and a plurality of springs 203 sleeved on the lower outer walls of the sliding rods 202, the upper parts of the sliding rods 202 penetrate through and are slidably arranged on the outer walls of the top of the lifting plate 102, limiting blocks 204 are fixedly arranged on the outer walls of the top of the sliding rods 202, the adjusting components 3 comprise two fixing blocks 302 which are respectively connected on the outer walls of two ends of the two bidirectional screw rods 301 through bearings, two mounting shafts 303 respectively fixed on the outer walls of one side of the two fixing blocks 302 and two paper pressing wheels 304 respectively connected on the outer walls of two mounting shafts 303 through bearings, one side of the two fixing blocks 301 are respectively connected on one side of the two bidirectional screw rods 301 through bearings, and two side of the two fixing blocks 301 are respectively connected on one side of the two outer walls of the two fixing shafts 201 respectively, and two fixing shafts are respectively arranged on two outer walls of two side of the two fixing shafts 201 respectively in a sliding mode.

Embodiment 2, refer to fig. 1 and 4, a paper pressing mechanism, still include conveying mechanism 4 and collection mechanism 6, conveying mechanism 4 includes a plurality of fixed pipe 401, dust cage 402 and a plurality of flexible hose 403, fixed pipe 401 sets firmly on lifting plate 102 top outer wall, dust cage 402 sets firmly on fixed pipe 401 lower part outer wall, flexible hose 403 passes through flange joint on fixed pipe 401 top outer wall, flexible hose 403 top has mounting tube 404 through flange joint, dust cage 402 both sides all are equipped with extrusion subassembly 5, extrusion subassembly 5 includes two mounting plates 501, dead lever 502 and squeeze roll 503, two mounting plates 501 set firmly respectively on dust cage 402 one side outer wall, the dead lever 502 both ends are connected respectively on two mounting plates 501 opposite one side outer walls through the bearing, squeeze roll 503 sets firmly on the dead lever 502 outer wall, collection mechanism 6 includes collecting box 601, filter 602 and dust removal fan 603, collecting box 601 passes through bolted connection on mounting bracket 101 top outer wall, a plurality of mounting pipe 404 is linked together with collecting box 601 respectively, filter 602 sets firmly on the inner wall of collecting box 601 bottom, dust removal fan passes through top 603 and is linked to collecting box 601 through upper outer wall 603, the air inlet end is linked together with collecting box 601 through dust removal fan.

Working principle: four servo electric putter 103 output shafts are controlled through a servo controller to move, the lifting plate 102 is driven to move, and then four paper pressing wheels 304 are driven to descend, so that the paper pressing wheels 304 are in contact with paper, the springs 203 are extruded, pressure is provided for the paper pressing wheels 304 under the action of the tension of the springs 203, the paper is extruded, the bidirectional screw 301 is rotated, the bidirectional screw 301 drives the two fixing blocks 302 and the paper pressing wheels 304 to move, the paper with different specifications is extruded, scraps and dust on the paper are sucked into the collecting box 601 through the dust removing fan 603, and meanwhile the two extrusion rollers 503 extrude the paper, so that the paper is prevented from being sucked up to be conveyed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The paper pressing mechanism comprises a lifting mechanism (1), and is characterized in that the lifting mechanism (1) comprises a mounting frame (101), a lifting plate (102) and four servo electric push rods (103);

two paper pressing mechanisms (2) are arranged at the bottom of the lifting plate (102), and each paper pressing mechanism (2) comprises a mounting frame (201), a plurality of sliding rods (202) and a plurality of springs (203);

an adjusting component (3) is arranged in each of the two mounting frames (201), and each adjusting component (3) comprises a bidirectional screw rod (301), two fixing blocks (302), two mounting shafts (303) and two paper pressing wheels (304);

a conveying mechanism (4) is arranged below the lifting plate (102), and the conveying mechanism (4) comprises a plurality of fixed pipes (401), a dust hood (402) and a plurality of telescopic hoses (403);

both sides of the dust hood (402) are provided with extrusion assemblies (5), and the extrusion assemblies (5) comprise two mounting plates (501), a fixed rod (502) and extrusion rollers (503);

the top of the mounting frame (101) is provided with a collecting mechanism (6), and the collecting mechanism (6) comprises a collecting box (601), a filter plate (602) and a dust removing fan (603).

2. The paper pressing mechanism according to claim 1, wherein the four servo electric pushrods (103) are respectively fixed on the outer walls of four corners of the top of the mounting frame (101), and the tops of the lifting plates (102) are respectively fixed on the outer walls of the bottom ends of the output shafts of the four servo electric pushrods (103).

3. The paper pressing mechanism according to claim 1, wherein the sliding rod (202) is fixedly arranged on the top outer wall of the mounting frame (201), the upper portion of the sliding rod (202) penetrates through and is slidably mounted on the top outer wall of the lifting plate (102), the spring (203) is sleeved on the lower outer wall of the sliding rod (202), the limiting block (204) is fixedly arranged on the top outer wall of the sliding rod (202), the bidirectional screw (301) is connected to one side inner wall of the mounting frame (201) through a bearing, the other end of the bidirectional screw (301) is connected to one side outer wall of the mounting frame (201) through a bearing, the two fixing blocks (302) are respectively connected to the two end outer walls of the bidirectional screw (301) in a threaded mode, the two fixing blocks (302) are respectively in sliding fit with the mounting frame (201), the two mounting shafts (303) are respectively fixedly arranged on the outer walls on the opposite sides of the two fixing blocks (302), the two mounting shafts (303) are respectively sleeved on the two end outer walls of the bidirectional screw (301), and the two paper pressing wheels (304) are respectively connected to the two outer walls through bearings.

4. The paper pressing mechanism according to claim 1, wherein the fixing tube (401) is fixedly arranged on the top outer wall of the lifting plate (102), the dust hood (402) is fixedly arranged on the lower outer wall of the fixing tube (401), the telescopic hose (403) is connected to the top outer wall of the fixing tube (401) through a flange, and the top end of the telescopic hose (403) is connected with the mounting tube (404) through a flange.

5. The paper pressing mechanism according to claim 1, wherein the two mounting plates (501) are respectively fixed on one side outer wall of the dust collecting cover (402), two ends of the fixing rod (502) are respectively connected to the opposite side outer wall of the two mounting plates (501) through bearings, and the squeeze rollers (503) are fixedly arranged on the outer wall of the fixing rod (502).

6. The paper pressing mechanism according to claim 4, wherein the collecting box (601) is connected to the top outer wall of the mounting frame (101) through bolts, a plurality of mounting pipes (404) are respectively communicated with the collecting box (601), the filter plate (602) is fixedly arranged on the bottom inner wall of the collecting box (601), the dust removing fan (603) is connected to the top outer wall of the mounting frame (101) through bolts, and the air inlet end of the dust removing fan (603) is communicated with the collecting box (601) through a connecting pipe.