Paper conveying device for digital printing machine

Abstract

The utility model discloses a paper conveying device for a digital printing machine, which relates to the field of printing machines and comprises two support frames, a conveying belt is connected between the two support frames, the tops of the two support frames are jointly connected with a fixed frame, and 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 a transverse plate, springs are connected to the four corners of the bottom of the transverse plate, the other ends of the springs are connected with an extrusion plate, extrusion rods are connected into the extrusion plate, and limiting holes corresponding to the extrusion rods are formed in the surface of the transverse plate. An electric telescopic rod is used for pushing a transverse plate, the transverse plate pushes a spring, the spring pushes a pressing roller, the pressing roller makes contact with paper, at the moment, the pressing roller extrudes a U-shaped frame in the reverse direction, the U-shaped frame pushes an extrusion rod, the extrusion rod pulls an extrusion plate, the extrusion plate extrudes the spring, the spring deforms, the pressing roller can press the paper, and the paper can be pressed through the pressing roller. And the problem of displacement of the paper in the cleaning process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of printing machine, in particular to a paper transmission device for digital printing machine. BACKGROUND

[0002] The printing machine is the machine that prints character and image, modern printing machine generally comprises the mechanism that is equipped with edition, applies ink, imprints, transports paper, its working principle is: first the character and image that want to print are made into printing plate, are equipped with in printing machine, then by hand or printing machine the ink is applied to the place that has character and image on printing plate, is directly or indirectly transferred to paper or other printing material, thereby copies out with printing plate same printed matter, the invention and development of printing machine, for the spread of human civilization and culture have important role.

[0003] At present, when using the digital printing machine, the paper used for printing needs to be transported, and in the transportation process, in order to avoid the dust on the surface of the paper affecting the printing effect, the dust on the surface of the paper will be cleaned in the prior art during the transportation process, and in the cleaning process, the cleaning roller is in contact with the paper, which is easy to cause the position of the paper to deviate, thereby affecting the printing effect of the paper.

[0004] Therefore, it is necessary to invent a paper transmission device for digital printing machine to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a paper transmission device for digital printing machine to solve the problems in the above background.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a paper transmission device for digital printing machine, including two support frames, the two support frames are connected with the conveying belt, the top of two support frames is connected with the fixed frame in common, the top inner wall of fixed frame is connected with two electric telescopic rods, the bottom of two electric telescopic rods is connected with the transverse plate, the bottom of transverse plate is connected with the spring at four corners, the other end of spring is connected with the extrusion plate, the extrusion plate is connected with the extrusion rod, the surface of transverse plate is equipped with the limiting hole corresponding with extrusion rod, the bottom of extrusion rod is connected with the U type frame, the U type frame is connected with the compression roller, the bottom of transverse plate is equipped with dust cleaning component.

[0007] Preferably, the dust cleaning component includes a dust cover connected to the bottom of the transverse plate, a rotating shaft is rotatably arranged in the dust cover, a cleaning roller is connected to the outer wall of the rotating shaft, a first belt pulley is connected to the left end of the rotating shaft and passes through the dust cover, an electric motor is connected to the top of the transverse plate, a second belt pulley is connected to the output end of the electric motor, and a transmission belt is connected between the first belt pulley and the second belt pulley.

[0008] Preferably, the front and rear sides of the dust cover are connected with ion wind rods.

[0009] Preferably, the bottom of each of the two support frames is connected with two support legs, the support legs are connected with a bottom plate, the top of the bottom plate is connected with a collection box, the left side of the collection box is connected with a dust removal fan, and the right side of the collection box is connected with a dust suction pipe which passes through the top of the fixed frame and the horizontal plate and communicates with the dust cover.

[0010] The technical effects and advantages of the present application are as follows:

[0011] By using the electric telescopic rod to push the horizontal plate, the horizontal plate pushes the spring, the spring pushes the compression roller, so that the compression roller is in contact with the paper, at this time the compression roller reversely extrudes the U-shaped frame, the U-shaped frame pushes the extrusion rod, the extrusion rod pulls the extrusion plate, the extrusion plate extrudes the spring, so that the spring is deformed, and the compression roller can be used to compress the paper, avoiding the problem of displacement of the paper in the cleaning process. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the present application;

[0013] Figure 2 It is a side view structure schematic view of the horizontal plate of the present application;

[0014] Figure 3 It is a whole structure schematic view of the present application Figure 1 .

[0015] In the figure: 1, support frame; 2, conveying belt; 3, fixed frame; 4, electric telescopic rod; 5, horizontal plate; 6, spring; 7, extrusion plate; 8, extrusion rod; 9, dust cleaning assembly; 91, dust cover; 92, rotating shaft; 93, cleaning roller; 94, first belt pulley; 95, motor; 96, second belt pulley; 97, transmission belt; 10, U-shaped frame; 11, compression roller; 12, ion wind rod; 13, support leg; 14, bottom plate; 15, collection box; 16, dust removal fan; 17, dust suction pipe. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0017] The present application provides a dust cleaning device Figures 1-3The paper conveying device of a digital printing machine shown comprises two support frames 1, a conveying belt 2 connected between the two support frames 1, a fixed frame 3 connected to the top of the two support frames 1, two electric telescopic rods 4 connected to the inner wall of the top of the fixed frame 3, a horizontal plate 5 connected to the bottom of the two electric telescopic rods 4, a spring 6 connected to the bottom four corners of the horizontal plate 5, a pressing plate 7 connected to the other end of the spring 6, a pressing rod 8 connected to the inside of the pressing plate 7, a limiting hole corresponding to the pressing rod 8 formed in the surface of the horizontal plate 5, a U-shaped frame 10 connected to the bottom of the pressing rod 8, and a compression roller 11 connected to the inside of the U-shaped frame 10. The horizontal plate 5 is pushed by the electric telescopic rod 4, the spring 6 is pushed by the horizontal plate 5, and the compression roller 11 is pushed by the spring 6, so that the compression roller 11 is in contact with the paper. At this time, the compression roller 11 reversely presses the U-shaped frame 10, the U-shaped frame 10 pushes the pressing rod 8, the pressing rod 8 pulls the pressing plate 7, the pressing plate 7 presses the spring 6, so that the spring 6 is deformed. The compression roller 11 can press the paper, avoiding the problem of paper displacement during cleaning. The bottom of the horizontal plate 5 is provided with a dust cleaning assembly 9.

[0018] The dust cleaning assembly 9 comprises a dust cover 91 connected to the bottom of the horizontal plate 5, a rotating shaft 92 rotatably arranged in the dust cover 91, a cleaning roller 93 connected to the outer wall of the rotating shaft 92, a first belt pulley 94 connected to the left end of the rotating shaft 92 and penetrating through the dust cover 91, a motor 95 connected to the top of the horizontal plate 5, a second belt pulley 96 connected to the output end of the motor 95, and a transmission belt 97 connected between the second belt pulley 96 and the first belt pulley 94. The motor 95 drives the second belt pulley 96 to rotate, the second belt pulley 96 drives the first belt pulley 94 to rotate through the transmission belt 97, the first belt pulley 94 drives the rotating shaft 92 to rotate, and the rotating shaft 92 drives the cleaning roller 93 to rotate, so that the cleaning roller 93 can clean the dust on the surface of the paper.

[0019] Ion wind rods 12 are connected to the front and back of the dust cover 91. The ion wind rods 12 can effectively prevent the static electricity on the surface of the paper from adsorbing the dust.

[0020] Two support legs 13 are connected to the bottom of the two support frames 1, a bottom plate 14 is connected between the plurality of support legs 13, a collection box 15 is connected to the top of the bottom plate 14, a dust removal fan 16 is connected to the left side of the collection box 15, a dust screen is arranged at the position where the collection box 15 and the dust removal fan 16 communicate, the dust can be left in the collection box 15, and the air can be discharged through the dust removal fan 16, a dust suction pipe 17 is connected to the right side of the collection box 15, the dust suction pipe 17 penetrates through the top of the fixed frame 3 and the horizontal plate 5 and communicates with the dust cover 91, and the dust generated when the cleaning roller 93 is cleaned is sucked into the dust suction pipe 17 through the use of the dust removal fan 16, and then enters the collection box 15 for collection.

[0021] The utility model discloses working principle:

[0022] Through using electric telescopic link 4 to push horizontal board 5, horizontal board 5 pushes spring 6, and spring 6 pushes the compaction roller 11, so that the compaction roller 11 is contacted with paper, at this moment, the compaction roller 11 reversely extrudes U-shaped frame 10, and U-shaped frame 10 pushes extruding rod 8, and extruding rod 8 pulls extruding plate 7, and extruding plate 7 extrudes spring 6, so that spring 6 occurs deformation, and the compaction roller 11 can be used to compact paper, through using motor 95 to drive second belt pulley 96 to rotate, and second belt pulley 96 drives first belt pulley 94 to rotate through transmission belt 97, and first belt pulley 94 drives rotating shaft 92 to rotate, and rotating shaft 92 drives cleaning roller 93 to rotate, can utilize cleaning roller 93 to clean the dust on the surface of paper, through using dust exhaust fan 16 to suck dust, the dust produced when cleaning roller 93 cleans is sucked into dust suction pipe 17, and then through dust suction pipe 17 to enter collection box 15 and collect.

[0023] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiment of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical feature, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A paper conveying device for a digital printing press, comprising two support frames, wherein a conveyor belt is connected between the two support frames, characterized in that: The tops of the two support frames are connected to a fixed frame. The top inner wall of the fixed frame is connected to two electric telescopic rods. The bottom of the two electric telescopic rods is connected to a horizontal plate. Springs are connected to the four corners of the bottom of the horizontal plate. The other end of the springs is connected to a pressing plate. A pressing rod is connected inside the pressing plate. The surface of the horizontal plate is provided with limiting holes corresponding to the pressing rods. The bottom of the pressing rods is connected to a U-shaped frame. A pressure roller is connected inside the U-shaped frame. A dust cleaning assembly is provided at the bottom of the horizontal plate.

2. The paper transport device for a digital printing press according to claim 1, characterized in that: The dust cleaning assembly includes a dust cover connected to the bottom of the horizontal plate, a rotating shaft rotatably disposed inside the dust cover, a cleaning roller connected to the outer wall of the rotating shaft, the left end of the rotating shaft passing through the dust cover and connected to a first pulley, a motor connected to the top of the horizontal plate, a second pulley connected to the output end of the motor, and a transmission belt connected between the second pulley and the first pulley.

3. The paper transport device for a digital printing press according to claim 2, characterized in that: The dust cover is connected to ionizer bars on both the front and back sides.

4. The paper transport device for a digital printing press according to claim 3, characterized in that: Each of the two support frames has two support legs connected to its bottom. A base plate is connected between the multiple support legs. A collection box is connected to the top of the base plate. A dust exhaust fan is connected to the left side of the collection box. A suction pipe is connected to the right side of the collection box. The suction pipe passes through the top of the fixed frame and the cross plate and communicates with the dust cover.

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