Front dust removal device for printing paper surface

Abstract

The utility model provides a front dust removal device for a printing paper surface, which belongs to the technical field of printing equipment, aims to solve the problems that a printing machine in the prior art cannot remove impurities on the paper surface and is easy to cause printing flaws, and comprises a bracket, two groups of dust removal mechanisms and paper conveyed along a certain direction, the dust removal mechanisms are arranged on the front and back sides of the paper, each dust removal mechanism comprises a motor, an eccentric wheel in transmission connection with the motor, a sliding rail fixedly connected to the support, a sliding block in sliding connection with the sliding rail, a reciprocating block fixedly connected to the sliding block and a brush fixedly connected to the sliding block, and the reciprocating block is provided with a vertical sliding groove; the eccentric wheel is provided with an eccentric rod part, the eccentric rod part is arranged in the sliding groove in a sliding mode, and the bristle end of the brush makes contact with the surface of the paper.

Description

Technical Field

[0001] The utility model belongs to the technical field of printing equipment, and more specifically, particularly relates to a pre-dust removal device for the surface of printed paper. Background Art

[0002] Paper linting and dusting refers to the phenomenon that fibers, fiber bundles or non-fibrous impurities on the paper surface, such as fillers, glue, coatings, etc., peel off from the paper surface during printing. As a result, the printed image and text are blurred, mixed with white spots, etc.; current printing equipment is mostly optimized in terms of printing function, without considering the optimization of the actual printing process that may lead to poor printing quality.

[0003] For example, a printing press with application number CN201711201247.X includes a device for coating a printing material with a fluid by means of a roller and also includes a removal device for removing the fluid from the roller portion. The removal device has at least one section that can be adjusted according to different specifications of the printing material. The section can be a rolling section or a suction section.

[0004] Based on the search of the above patents and combined with the equipment in the prior art, it is found that the prior art has the problem that the printing machine cannot remove impurities on the surface of the paper, which easily leads to defects in printing.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a pre-dust removal device for the surface of printed paper is provided, in order to achieve a more practical purpose. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a pre-dust removal device for the surface of printed paper to solve the problem that the printing press in the prior art cannot remove impurities on the surface of paper, which easily leads to defects in printing.

[0007] The purpose and effect of the pre-dust removal device for printing paper surface of the utility model are achieved by the following specific technical means:

[0008] A pre-dust removal device for a printed paper surface, comprising:

[0009] A support, two sets of dust removal mechanisms and paper transported in a certain direction;

[0010] The dust removal mechanism is arranged on the front and back sides of the paper, and includes a motor, an eccentric wheel transmission connected to the motor, a slide rail fixedly connected to the bracket, a slider slidably connected to the slide rail, a reciprocating block fixedly connected to the slider, and a brush fixedly connected to the slider, the reciprocating block is provided with a vertical slide groove, the eccentric wheel is provided with an eccentric rod, the eccentric rod is slidably arranged in the slide groove, and the bristle end of the brush contacts the surface of the paper.

[0011] Furthermore, it also includes an air jet mechanism. The dust removal mechanism and the air jet mechanism are arranged in sequence along the direction of paper movement. The air jet mechanism includes a nozzle, an air pipe connected to the nozzle, and an air pump connected to the air pipe. The air pump transports gas to the air pipe, and the nozzle is directed toward the area where the brush contacts the paper.

[0012] Furthermore, it also includes a cover body with an open end, the paper is input from the open side of the cover body, the cover body is also provided with an opening on the side away from the open end, the paper is output from the opening, the dust removal mechanism is placed in the cover body, and the nozzle passes through and is fixedly connected to the cover body.

[0013] Furthermore, a pressure roller group 1 and a pressure roller group 2 are provided, each of which is provided with two pressure rollers clamping the paper, the pressure roller group 1 is provided on the open side, and the pressure roller group 2 is provided on the opening side.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model provides a dust removal mechanism on the paper moving path, so that the brush of the dust removal mechanism reciprocates to brush the paper, removes the dust or impurities adhering to the surface of the paper, and thus achieves the effect of cleaning the surface of the paper. The air pump of the jet mechanism is provided to blow air to blow out the impurities brushed, thereby improving the cleanliness of the paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a schematic cross-sectional structure diagram of a pre-dust removal device for a printed paper surface (the arrow in the figure shows the moving direction of the paper).

[0017] Figure 2 It is a structural schematic diagram of the utility model dust removal mechanism and bracket combination.

[0018] In the figure, the correspondence between the component names and the figure numbers is: dust removal mechanism 1, motor 11, eccentric wheel 12, eccentric rod 121, reciprocating block 13, slide groove 131, slide rail 14, slider 15, brush 16, cover body 2, opening 21, jet mechanism 3, nozzle 31, air pipe 32, air pump 33, pressure roller group 1 4, pressure roller group 2 5, bracket 6, paper 7. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0020] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Example:

[0023] As attached Figure 1 To Attachment Figure 2 As shown:

[0024] The utility model provides a pre-dust removal device for the surface of printed paper, comprising:

[0025] A support 6, two groups of dust removal mechanisms 1 and paper 7 transported in a certain direction;

[0026] The dust removal mechanism 1 is arranged on the front and back sides of the paper 7, and the dust removal mechanism 1 includes a motor 11, an eccentric wheel 12 transmission connected to the motor 11, a slide rail 14 fixedly connected to the bracket 6, a slider 15 slidably connected to the slide rail 14, a reciprocating block 13 fixedly connected to the slider 15, and a brush 16 fixedly connected to the slider 15. The reciprocating block 13 is provided with a vertical slide groove 131, the eccentric wheel 12 is provided with an eccentric rod 121, the eccentric rod 121 is slidably arranged in the slide groove 131, and the bristle end of the brush 16 contacts with the surface of the paper 7.

[0027] In this embodiment, a dust removal mechanism 1 is arranged on the moving path of the paper 7, so that the brush 16 of the dust removal mechanism 1 vibrates back and forth, thereby having a brushing effect on the paper 7, removing dust or impurities adhering to the surface of the paper, thereby achieving the effect of cleaning the surface of the paper.

[0028] It also includes an air jet mechanism 3. The dust removal mechanism 1 and the air jet mechanism 3 are arranged in sequence along the moving direction of the paper 7. The air jet mechanism 3 includes a nozzle 31, an air pipe 32 connected to the nozzle 31, and an air pump 33 connected to the air pipe 32. The air pump 33 transports gas to the air pipe 32, and the nozzle 31 is directed toward the area where the brush 16 contacts the paper 7.

[0029] The air pump 33 of the jet mechanism 3 is provided to blow air to blow out the impurities washed away, thereby improving the cleanliness of the paper 7 .

[0030] The cover body 2 also includes a cover body 2 with an open end, and the paper 7 is input from the open side of the cover body 2. The cover body 2 is also provided with an opening 21 on the side away from the open end, and the paper 7 is output from the opening 21. The dust removal mechanism 1 is placed in the cover body 2, and the nozzle 31 passes through and is fixedly connected to the cover body 2.

[0031] The arrangement of the cover body 2 can guide the flow direction of the airflow, so that the airflow ejected by the nozzle 31 flows toward the open side of the cover body 2 .

[0032] A pressure roller group 1 4 and a pressure roller group 2 5 are also provided. Both the pressure roller group 1 4 and the pressure roller group 2 5 are provided with two pressure rollers clamping the paper 7. The pressure roller group 1 4 is provided on the open side, and the pressure roller group 2 5 is provided on the side of the opening 21.

[0033] The arrangement of the pressure roller group 1 4 and the pressure roller group 2 5 has a clamping effect on the paper 7, and the paper 7 is more stable during the conveying process.

[0034] The specific usage and function of this embodiment are as follows:

[0035] When the utility model is in use, during the process of conveying the paper 7 from the pressure roller group 1 4 to the pressure roller group 2 5, the motor 11 of the dust removal mechanism 1 drives the eccentric wheel 12 to rotate, and the eccentric rod portion 121 of the eccentric wheel 12 slides in the slide groove 131, thereby driving the reciprocating block 13 to vibrate reciprocatingly, thereby driving the brush 16 of the reciprocating block 13 to brush the surface of the paper 7, and the impurities brushed off are blown toward the open side of the cover body 2 under the blowing action of the air pump 33 of the jet mechanism 3.

[0036] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A pre-dust removal device for the surface of printed paper, characterized in that: include: A support (6), two groups of dust removal mechanisms (1) and paper (7) transported in a certain direction; The dust removal mechanism (1) is arranged on the front and back sides of the paper (7), and comprises a motor (11), an eccentric wheel (12) drivingly connected to the motor (11), a slide rail (14) fixedly connected to the bracket (6), a slider (15) slidably connected to the slide rail (14), a reciprocating block (13) fixedly connected to the slider (15), and a brush (16) fixedly connected to the slider (15); the reciprocating block (13) is provided with a vertical slide groove (131); the eccentric wheel (12) is provided with an eccentric rod (121); the eccentric rod (121) is slidably arranged in the slide groove (131); and the bristle end of the brush (16) contacts the surface of the paper (7).

2. A pre-dust removal device for a printed paper surface as claimed in claim 1, characterized in that: It also includes an air jet mechanism (3), The dust removal mechanism (1) and the air jet mechanism (3) are arranged in sequence along the moving direction of the paper (7), and the air jet mechanism (3) comprises a nozzle (31), an air pipe (32) connected to the nozzle (31), and an air pump (33) connected to the air pipe (32). The air pump (33) delivers gas to the air pipe (32), and the nozzle (31) is directed toward the area where the brush (16) contacts the paper (7).

3. A pre-dust removal device for the surface of printed paper as claimed in claim 2, characterized in that: It also comprises a cover body (2) with an open end, the paper (7) is input from the open side of the cover body (2), the cover body (2) is further provided with an opening (21) on the side away from the open end, the paper (7) is output from the opening (21), the dust removal mechanism (1) is disposed in the cover body (2), and the nozzle (31) penetrates through and is fixedly connected to the cover body (2).

4. A pre-dust removal device for the surface of printed paper as claimed in claim 3, characterized in that: A pressure roller group 1 (4) and a pressure roller group 2 (5) are also provided. The pressure roller group 1 (4) and the pressure roller group 2 (5) are both provided with two pressure rollers clamped on the paper (7). The pressure roller group 1 (4) is provided on the open side, and the pressure roller group 2 (5) is provided on the opening (21) side.

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