CN223560878U - Paper conveying device for digital printer - Google Patents

Abstract

The utility model discloses a paper conveying device for a digital printer, which relates to the field of printers and comprises two supporting frames, wherein a conveying belt is connected between the two supporting frames, the tops of the two supporting frames are connected with a fixed frame together, the inner wall of the top of the fixed frame is connected with two electric telescopic rods, the bottoms of the two electric telescopic rods are connected with transverse plates, springs are connected to four corners of the bottoms of the transverse plates, the other ends of the springs are connected with extrusion plates, the extrusion plates are connected with extrusion rods, and limiting holes corresponding to the extrusion rods are formed in the surfaces of the transverse plates. According to the utility model, the electric telescopic rod is used for pushing the transverse plate, the transverse plate is used for pushing the spring, the spring is used for pushing the compaction roller, so that the compaction roller is in contact with paper, the U-shaped frame is reversely extruded by the compaction roller, the extrusion rod is pushed by the U-shaped frame, the extrusion plate is pulled by the extrusion rod, the spring is extruded by the extrusion plate, the spring is deformed, the paper can be compacted by the compaction roller, and the problem of displacement of the paper in the cleaning process is avoided.

Description

Paper conveying device for digital printer

Technical Field

The utility model relates to the field of printers, in particular to a paper conveying device for a digital printer.

Background

The printing machine is a machine for printing characters and images, and the modern printing machine is generally composed of mechanisms of plate filling, inking, embossing, paper feeding and the like, and the working principle of the printing machine is that characters and images to be printed are firstly made into printing plates, then the printing plates are arranged on the printing machine, then the ink is coated on places with the characters and the images on the printing plates by manpower or the 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 invention and development of the printing machine have important functions on the transmission of human civilization and culture.

At present, when the digital printer is used, the paper for printing needs to be conveyed, and in the conveying process, in order to avoid the influence of dust on the surface of the paper on the printing effect, the dust on the surface of the paper can be cleaned in the conveying process of the paper in the prior art, and in the cleaning process, the cleaning roller is contacted with the paper, so that the position of the paper is easily deviated, and the printing effect of the paper is influenced.

Accordingly, it is necessary to invent a sheet transport device for a digital printer to solve the above-mentioned problems.

Disclosure of utility model

The present utility model is directed to a paper transport device for a digital printer, which solves the above-mentioned problems of the related art.

The paper conveying device for the digital printer comprises two supporting frames, a conveying belt is connected between the two supporting frames, the tops of the two supporting frames are connected with a fixed frame together, the inner wall of the top of the fixed frame is connected with two electric telescopic rods, the bottoms of the two electric telescopic rods are connected with transverse plates, springs are connected to four corners of the bottoms of the transverse plates, the other ends of the springs are connected with extrusion plates, the extrusion plates are connected with extrusion rods, limiting holes corresponding to the extrusion rods are formed in the surfaces of the transverse plates, the bottoms of the extrusion rods are connected with U-shaped frames, compression rollers are connected to the U-shaped frames, and dust cleaning components are arranged at the bottoms of the transverse plates.

Preferably, the dust cleaning component comprises a dust cover connected with the bottom of the transverse plate, a rotating shaft is arranged in the dust cover in a rotating mode, a cleaning roller is connected to the outer wall of the rotating shaft, the left end of the rotating shaft penetrates through the dust cover and is connected with a first belt pulley, the top of the transverse plate is connected with a motor, the output end of the motor is connected with a second belt pulley, and a transmission belt is connected between the second belt pulley and the first belt pulley.

Preferably, the front side and the rear side of the dust cover are both connected with ion wind bars.

Preferably, the bottom of two support frames is connected with two supporting legs, a plurality of be connected with the bottom plate between the supporting legs, the top of bottom plate is connected with the collecting box, the left side of collecting box is connected with the dust exhaust fan, the right side of collecting box is connected with the dust absorption pipe, the dust absorption pipe passes the top of fixed frame and diaphragm and communicates with the dust cover.

The utility model has the technical effects and advantages that:

Through using electric telescopic handle to promote the diaphragm, the diaphragm promotes the spring, and the spring promotes the pinch roller for the pinch roller contacts with the paper, and pinch roller backward extrusion U type frame this moment, U type frame promote the extrusion pole, and the extrusion pole pulling extrusion board, extrusion board extrusion spring makes the spring take place deformation, utilizes the pinch roller to compress tightly the paper, avoids the problem that the paper takes place to shift at the clearance in-process.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic side view of the cross plate of the present utility model;

Fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present utility model.

The dust collector comprises a support frame 1, a conveying belt 2, a fixing frame 3, an electric telescopic rod 4, a transverse plate 5, a spring 6, a spring 7, a squeezing plate 8, a squeezing rod 9, a dust cleaning assembly 91, a dust cover 92, a rotating shaft 93, a cleaning roller 94, a first belt pulley 95, a motor 96, a second belt pulley 97, a driving belt 10, a U-shaped frame 11, a pressing roller 12, an ion wind rod 13, supporting legs 14, a bottom plate 15, a collecting box 16, a dust exhausting fan 17 and a dust collecting pipe.

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.

The utility model provides a paper conveying device for a digital printer, which is shown in fig. 1-3, and comprises two supporting frames 1, wherein a conveying belt 2 is connected between the two supporting frames 1, the tops of the two supporting frames 1 are jointly connected with a fixed frame 3, the inner walls of the tops of the fixed frames 3 are connected with two electric telescopic rods 4, the bottoms of the two electric telescopic rods 4 are connected with a transverse plate 5, springs 6 are connected to four corners of the bottoms of the transverse plate 5, the other ends of the springs 6 are connected with pressing plates 7, pressing rods 8 are connected to the pressing plates 7, limiting holes corresponding to the pressing rods 8 are formed in the surfaces of the transverse plates 5, the bottoms of the pressing rods 8 are connected with U-shaped frames 10, pressing rollers 11 are connected to the U-shaped frames 10, the pressing rollers 11 are pushed by the transverse plates 5, the pressing rollers 11 are contacted with paper, at the moment, the pressing rollers 11 reversely press the U-shaped frames 10 push the pressing rods 8, the pressing plates 7 are pulled by the pressing plates 7, the pressing plates 6 are pressed by the pressing rollers 6, and the pressing rollers 11 are enabled to generate pressing rollers 11, and the paper components can be prevented from being displaced in the process of cleaning the bottoms of the paper by using the pressing plates 9.

The dust cleaning assembly 9 comprises a dust cover 91 connected with the bottom of the transverse plate 5, a rotating shaft 92 is arranged in the dust cover 91 in a rotating mode, a cleaning roller 93 is connected to the outer wall of the rotating shaft 92, the left end of the rotating shaft 92 penetrates through the dust cover 91 and is connected with a first belt pulley 94, a motor 95 is connected to the top of the transverse plate 5, the output end of the motor 95 is connected with a second belt pulley 96, a driving belt 97 is connected between the second belt pulley 96 and the first belt pulley 94, the second belt pulley 96 is driven to rotate by the motor 95, the first belt pulley 94 is driven to rotate by the driving belt 97, the rotating shaft 92 drives the cleaning roller 93 to rotate, and dust on the surface of paper can be cleaned by the cleaning roller 93.

The front and back sides of the dust cover 91 are both connected with the ion wind bars 12, and the dust can be effectively prevented from being adsorbed by static electricity on the surface of the paper through the ion wind bars 12.

The bottom of two support frames 1 all is connected with two supporting legs 13, be connected with bottom plate 14 between a plurality of supporting legs 13, the top of bottom plate 14 is connected with collection box 15, the left side of collection box 15 is connected with dust exhaust fan 16, the position of collection box 15 and dust exhaust fan 16 intercommunication is provided with the dust screen, can leave the dust inside collection box 15, and discharge the air through dust exhaust fan 16, the right side of collection box 15 is connected with dust absorption pipe 17, dust absorption pipe 17 passes the top of fixed frame 3 and diaphragm 5 and communicates with dust cover 91, through using dust exhaust fan 16 to carry out the dust absorption, in the dust absorption pipe 17 is inhaled to the dust that produces when clearing up roller 93 clearance, the rethread dust absorption pipe 17 gets into collection box 15 and gathers.

The working principle of the utility model is as follows:

Through using electric telescopic rod 4 to promote diaphragm 5, diaphragm 5 promotes spring 6, spring 6 promotes pinch roller 11 for pinch roller 11 contacts with the paper, pinch roller 11 backward extrusion U type frame 10 this moment, U type frame 10 promotes extrusion pole 8, extrusion pole 8 pulling extrusion plate 7, extrusion plate 7 extrudees spring 6, make spring 6 take place deformation, utilize pinch roller 11 to compress tightly the paper, through using motor 95 to drive second belt pulley 96 rotation, second belt pulley 96 passes through drive belt 97 and drives first belt pulley 94 rotation, first belt pulley 94 drives pivot 92 rotation, pivot 92 drives the cleaning roller 93 rotation, can utilize the dust of cleaning roller 93 to clear up paper surface, through using dust exhaust fan 16 to carry out the dust absorption, in the dust suction pipe 17 that produces when clearing up roller 93 clearance, rethread dust suction pipe 17 gets into collecting box 15 in, collect.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims (4)

1. The paper conveying device for the digital printer comprises two supporting frames, wherein a conveying belt is connected between the two supporting frames, and is characterized in that the tops of the two supporting frames are connected with a fixed frame together, the inner wall of the top of the fixed frame is connected with two electric telescopic rods, the bottoms of the two electric telescopic rods are connected with transverse plates, springs are connected to four corners of the bottoms of the transverse plates, the other ends of the springs are connected with extrusion plates, the extrusion plates are internally connected with extrusion rods, limiting holes corresponding to the extrusion rods are formed in the surfaces of the transverse plates, the bottoms of the extrusion rods are connected with U-shaped frames, compression rollers are internally connected to the U-shaped frames, and dust cleaning assemblies are arranged at the bottoms of the transverse plates.

2. The paper transporting device for a digital printer according to claim 1, wherein the dust cleaning assembly comprises a dust cover connected with the bottom of the cross plate, a rotating shaft is rotatably arranged in the dust cover, the outer wall of the rotating shaft is connected with a cleaning roller, the left end of the rotating shaft penetrates through the dust cover and is connected with a first belt pulley, the top of the cross plate is connected with a motor, the output end of the motor is connected with a second belt pulley, and a transmission belt is connected between the second belt pulley and the first belt pulley.

3. The paper transport device for a digital printer according to claim 2, wherein the dust cover is connected to ion wind bars at both front and rear sides thereof.

4. A paper conveying apparatus for a digital printer according to claim 3, wherein the bottoms of the two supporting frames are respectively connected with two supporting legs, a bottom plate is connected between the supporting legs, the top of the bottom plate is connected with a collecting box, the left side of the collecting box is connected with a dust exhaust fan, and the right side of the collecting box is connected with a dust suction pipe which penetrates through the tops of the fixed frame and the transverse plate and is communicated with the dust cover.