CN219489032U - Paper positioning mechanism for printing machine - Google Patents

Abstract

The utility model discloses a paper positioning mechanism for a printing machine, which relates to the technical field of printing machines and comprises a printing box, wherein a movable groove is formed in the center of the bottom of an inner cavity of the printing box, miniature air cylinders are arranged at the left end and the right end of the center of the inner cavity of the printing box, an alignment plate is fixedly connected to one side of the miniature air cylinders, which is close to the center of the inner cavity of the printing box, pushing mechanisms are arranged at the left end and the right end of the rear side of the inner cavity of the printing box, movable rails are fixedly arranged at the left end and the right end of the rear side of the inner part of the movable groove, a movable trolley is arranged outside the movable rail, a traction plate is fixedly connected to the top of the movable trolley, and a clamping mechanism is arranged at the top of the traction plate. Through the cooperation of push mechanism and inside each part, can drive down push roller and last push roller through the chain of font and rotate relatively to through the position of push roller and last push roller promotion printing paper down by the back forward movement.

Description

Paper positioning mechanism for printing machine

Technical Field

The utility model relates to the related technical field of printers, in particular to a paper positioning mechanism for a printer.

Background

The printer is a machine for printing characters and images, and the modern printer generally consists of mechanisms such as plate filling, inking, embossing, paper feeding and the like, and the working principle of the printer is as follows: the characters and images to be printed are made into printing plates, the printing plates are arranged on a printer, then ink is coated on places where the characters and images are arranged on the printing plates by a manual or printing machine, and then the printing plates are directly or indirectly transferred onto paper or other printing stock, so that the same printed matter as the printing plates is copied, and the utility model and development of the printing plates play an important role in spreading human civilization and culture.

At present, a paper positioning mechanism in a printing machine commonly used in the market is simpler, and when printing, the paper deviation condition often occurs, so that the deviation of the printed content in the paper on the surface of the paper is caused, and the printing quality is affected.

Disclosure of Invention

The utility model aims to provide a paper positioning mechanism for a printer, which aims to solve the problems that the paper positioning mechanism in the existing commercial printer is simpler, and paper deviation often occurs during printing, so that the deviation of printed contents in paper on the surface of the paper is caused, and the printing quality is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a paper positioning mechanism for printing machine, includes the printing box, the movable groove has been seted up to printing box inner chamber bottom center department, both ends all are provided with miniature cylinder about printing box inner chamber center department, miniature cylinder is close to one side fixedly connected with alignment board at printing box inner chamber center, both ends are provided with push mechanism about the printing box inner chamber rear side, both ends all fixed mounting have the movable rail about the inside rear side of movable groove, the outside of movable rail is provided with travelling car, travelling car's top fixedly connected with traction plate, the top of traction plate is provided with fixture.

Preferably, the alignment plate forms a relative moving structure through a micro cylinder, and the traction plate forms a horizontal moving structure in the front-back direction through the moving trolley and the moving rail.

Preferably, the pushing mechanism comprises an upper pushing roller, the rear sides of the left end and the right end of the bottom of the inner cavity of the printing box are respectively and rotatably connected with a lower pushing roller, chain wheels are respectively arranged at the centers of the left ends of the lower pushing roller and the upper pushing roller, chains are sleeved outside the chain wheels, and a rotating motor is arranged at the center of the left end of the chain wheel above.

Preferably, the chain is 8-shaped, and the upper pushing roller and the lower pushing roller form a relative rotation structure with the rotating motor through the chain.

Preferably, the fixture includes L shape frame, L shape frame fixedly connected with in the top of traction plate, the top of L shape frame rear side is located fixedly connected with spacing rail off the lower department, the inside fixedly connected with gag lever post of spacing rail, the inside sliding connection of spacing rail has the installation piece, the rear side center department fixedly connected with electromagnetic plate of installation piece, the top fixedly connected with mounting plate at both ends around the electromagnetic plate, the equal fixedly connected with spring in both ends around the mounting plate bottom, the bottom equidistance of electromagnetic plate is inlayed and is equipped with the ball, the bottom center department fixedly connected with traction buckle of traction plate, the inside left end center department fixed mounting of shifting chute has the lift cylinder.

Preferably, the bottom center of the traction plate and the top of the lifting cylinder are fixedly connected with traction buckles, and the electromagnetic plate and the bottom of the L-shaped frame form a lifting structure through springs.

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

1. according to the paper positioning mechanism, through the cooperation of the pushing mechanism and the components in the paper positioning mechanism, the lower pushing roller and the upper pushing roller can be driven by the font chain to rotate relatively, and the position of the printing paper is pushed by the lower pushing roller and the upper pushing roller to move forwards from back to back;

2. the paper positioning mechanism is used by matching the clamping mechanism and the components in the paper positioning mechanism, the paper is inserted into the printing box from the center of the rear side to the rear side of the printing box, the front end of the paper is positioned through the L-shaped frame, the paper is clamped from the front end of the paper under the condition of electrifying, and then the printing work is completed by traction and movement of the moving trolley.

Drawings

FIG. 1 is a schematic view of the present utility model in a front cross-section;

FIG. 2 is a schematic view of the left-hand cross-section structure of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of the present utility model at A;

fig. 5 is an enlarged schematic view of the structure of the present utility model at B.

In the figure: 1. a printing box; 2. an alignment plate; 3. a pushing mechanism; 301. a push-up roller; 302. a push-down roller; 303. a sprocket; 304. a chain; 305. a rotating motor; 4. a moving rail; 5. a moving trolley; 6. a traction plate; 7. a clamping mechanism; 701. an L-shaped frame; 702. a limit rail; 703. a limit rod; 704. a mounting block; 705. an electromagnetic plate; 706. a mounting piece; 707. a spring; 708. a ball; 709. a traction buckle; 710. a lifting cylinder; 8. and a micro cylinder.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a paper positioning mechanism for a printing machine comprises a printing box 1, wherein a movable groove is formed in the center of the bottom of an inner cavity of the printing box 1, micro air cylinders 8 are arranged at the left end and the right end of the center of the inner cavity of the printing box 1, an alignment plate 2 is fixedly connected to one side, close to the center of the inner cavity of the printing box 1, of each micro air cylinder 8, a pushing mechanism 3 is arranged at the left end and the right end of the rear side of the inner cavity of the printing box 1, movable rails 4 are fixedly arranged at the left end and the right end of the rear side of the inner cavity of the movable groove, a movable trolley 5 is arranged outside the movable rail 4, a traction plate 6 is fixedly connected to the top of the movable trolley 5, a clamping mechanism 7 is arranged at the top of the traction plate 6, the alignment plate 2 forms a relative movement structure through the micro air cylinders 8, and the traction plate 6 forms a horizontal movement structure in the front-rear direction with the movable rail 4 through the movable trolley 5;

the pushing mechanism 3 comprises an upper pushing roller 301, a lower pushing roller 302 is rotatably connected to the rear sides of the left end and the right end of the bottom of the inner cavity of the printing box 1, chain wheels 303 are arranged at the centers of the left ends of the lower pushing roller 302 and the upper pushing roller 301, chains 304 are sleeved outside the chain wheels 303, a rotating motor 305 is arranged at the center of the left end of the upper chain wheel 303, the chains 304 are arranged in a 8-shaped manner, the upper pushing roller 301 and the lower pushing roller 302 form a relative rotating structure with the rotating motor 305 through the chains 304, the pushing mechanism 3 and the components inside the pushing mechanism are matched, the lower pushing roller 302 and the upper pushing roller 301 can be driven to rotate relatively through the 8-shaped chains 304, and the position of pushing printing paper through the lower pushing roller 302 and the upper pushing roller 301 moves forwards from back to back;

the clamping mechanism 7 comprises an L-shaped frame 701, the L-shaped frame 701 is fixedly connected to the top of the traction plate 6, a limit rail 702 is fixedly connected to the position, which is located below the top of the rear side of the L-shaped frame 701, a limit rod 703 is fixedly connected to the bottom of the limit rail 702, an installation block 704 is slidably connected to the inside of the limit rail 702, an electromagnetic plate 705 is fixedly connected to the center of the rear side of the installation block 704, installation sheets 706 are fixedly connected to the tops of the front and rear ends of the electromagnetic plate 705, springs 707 are fixedly connected to the front and rear ends of the bottoms of the installation sheets 706, balls 708 are embedded in the bottoms of the electromagnetic plate 705 at equal intervals, traction buckles 709 are fixedly connected to the bottom center of the traction plate 6, lifting cylinders 710 are fixedly connected to the bottoms of the traction plates 6 and the tops of the lifting cylinders 710, the electromagnetic plate 705 and the bottoms of the L-shaped frame 701 form a lifting structure, the paper is placed into the inside from the rear side of the printing box 1 through the center of the clamping mechanism 7 and the matching of all parts inside the electromagnetic plate 705, the paper is placed in depth from the rear side center to the rear side of the printing box 1, the paper is positioned through the L-shaped frame, the front ends of the paper is placed in the printing car, and then the paper is moved from the front end of the printing car is subjected to the printing car, and the paper is subjected to the printing car, and the paper is moved and the paper is subjected to the printing car.

Working principle: the paper to be printed is placed deep into the inside of the printing box 1 from the center of the rear side of the printing box 1, the front end of the paper is limited by the L-shaped frame 701, the parallel state is ensured, the rotating motor 305 is started, the lower pushing roller 302 and the upper pushing roller 301 are driven to rotate relatively by the rotating motor 305 and the chain 304 as well as the chain wheel 303, and the position where the paper is pushed by the lower pushing roller 302 and the upper pushing roller 301 moves forwards;

under the condition that equipment is electrified, the electromagnetic plate 705 is lifted and moved in the limit rail 702 through the mounting block 704, the bottom of the electromagnetic plate 705 is attached to the bottom of the L-shaped frame 701, clamping of the front end of paper is completed, then the traction plate 6 and the L-shaped frame 701 are driven to move rightwards outside the movable rail 4 through the movable trolley 5, the paper is pulled to move rightwards synchronously, in the moving process, the alignment plate 2 is driven to move to one side close to the center through the micro cylinder 8, the paper is moved to the center position, and the situation of printing dislocation is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Paper positioning mechanism for a printing press, comprising a printing box (1), characterized in that: the automatic printing device is characterized in that a movable groove is formed in the center of the bottom of the inner cavity of the printing box (1), mini-cylinders (8) are arranged at the left end and the right end of the center of the inner cavity of the printing box (1), one side, close to the center of the inner cavity of the printing box (1), of each mini-cylinder (8) is fixedly connected with an alignment plate (2), pushing mechanisms (3) are arranged at the left end and the right end of the rear side of the inner cavity of the printing box (1), movable rails (4) are fixedly arranged at the left end and the right end of the rear side of the movable groove, movable trolleys (5) are arranged outside the movable rails (4), traction plates (6) are fixedly connected to the tops of the movable trolleys (5), and clamping mechanisms (7) are arranged at the tops of the traction plates (6).

2. A paper positioning mechanism for a printing press as defined in claim 1, wherein: the alignment plate (2) forms a relative movement structure through a micro cylinder (8), and the traction plate (6) forms a horizontal movement structure in the front-back direction through the moving trolley (5) and the moving rail (4).

3. A paper positioning mechanism for a printing press as defined in claim 1, wherein: push mechanism (3) are including last push roller (301), the rear side at both ends is all rotated about printing case (1) inner chamber bottom is connected with push roller (302) down, push roller (302) down and push roller (301) left end center department all is provided with sprocket (303), chain (304) have been cup jointed to the outside of sprocket (303), the left end center department that is located sprocket (303) of top is provided with rotating electrical machines (305).

4. A paper positioning mechanism for a printing press as recited in claim 3, wherein: the chain (304) is arranged in a 8 shape, and the upper pushing roller (301) and the lower pushing roller (302) form a relative rotation structure with the rotation motor (305) through the chain (304).

5. A paper positioning mechanism for a printing press as defined in claim 1, wherein: the clamping mechanism (7) comprises an L-shaped frame (701), the L-shaped frame (701) is fixedly connected to the top of the traction plate (6), a limiting rail (702) is fixedly connected to the lower portion of the top of the rear side of the L-shaped frame (701), a limiting rod (703) is fixedly connected to the inside of the limiting rail (702), a mounting block (704) is slidably connected to the inside of the limiting rail (702), an electromagnetic plate (705) is fixedly connected to the center of the rear side of the mounting block (704), mounting plates (706) are fixedly connected to the tops of the front end and the rear end of the electromagnetic plate (705), springs (707) are fixedly connected to the front end and the rear end of the bottom of the mounting plates (706), balls (708) are embedded in the bottom equidistance of the electromagnetic plate (705), a traction buckle (709) is fixedly connected to the center of the bottom of the traction plate (6), and a lifting cylinder (710) is fixedly mounted at the center of the left end of the inside of the moving groove.

6. A paper positioning mechanism for a printing press as recited in claim 5, wherein: traction buckles (709) are fixedly connected to the bottom center of the traction plate (6) and the top of the lifting cylinder (710), and the electromagnetic plate (705) and the bottom of the L-shaped frame (701) form a lifting structure through springs (707).