Offset ink printing machine capable of removing dust

Abstract

The offset printing ink printing machine comprises a printing machine base, a workpiece conveying belt is mounted at the embedded top of the printing machine base, a machining shell is mounted at the top of the printing machine base, a mounting plate is mounted at the top in the machining shell, and a printing roller is arranged below the mounting plate; an ink box is further arranged below the mounting plate, and an ink roller is rotationally mounted in the ink box; and two mounting frames are further mounted at the bottom of the mounting plate, rotating seats are mounted at the bottoms of the two mounting frames in a clamped mode, and brush rollers and electrostatic dust sticking rollers are mounted at the bottoms of the rotating seats correspondingly. According to the offset printing ink printing machine capable of removing dust, the brush roller and the electrostatic dust sticking roller are arranged, when a workpiece passes through the brush roller, a brush on the surface of the rotating brush roller plays a role in sweeping dust and sticking large dust, and the electrostatic dust sticking roller adsorbs loose fine dust through the electrostatic adsorption effect, so that the effect of comprehensively cleaning dust on the surface of the workpiece is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of ink printing presses, in particular to an offset ink printing press capable of removing dust. Background Art

[0002] A printing press is a machine for printing text and images. Modern printing presses are generally composed of mechanisms such as plate loading, inking, pressing, and paper feeding. Its working principle is: first, the text and image to be printed are made into a printing plate, which is then installed on the printing press. Then, ink is applied to the places where the text and image are on the printing plate by humans or the printing press, and then directly or indirectly transferred to paper or other substrates, thereby replicating a printed product identical to the printing plate.

[0003] The utility model patent with publication number: CN212737451U discloses an ink printing machine including: a transmission bracket, a first rotating shaft, a first sprocket, a first motor, a second sprocket, a first chain, a second rotating shaft, a transmission belt, a support frame, a printing roller, a second motor, an ink cartridge and an ink-dipping roller.

[0004] However, the above technical solution has certain shortcomings: the above technical solution is in an open state when in use. After the printed workpiece enters the printing position, if there is dust and debris on the surface, after printing, when the dust and debris fall off, some positions may not be printed, thereby affecting the printing effect of the workpiece. Summary of the invention

[0005] The object of the present invention is to provide a dust-removable offset ink printing machine to solve the problem in the prior art proposed in the above background technology that after the workpiece to be printed enters the printing position, if there is dust and debris on the surface, after printing, when the dust and debris fall off, it will cause some positions to not be printed, thereby affecting the printing effect of the workpiece.

[0006] To achieve the above object, the present invention provides the following technical solution: an offset ink printing machine capable of removing dust, comprising a printing machine base,

[0007] A workpiece conveyor belt is installed on the embedded top of the printing machine seat, a processing shell is installed on the top of the printing machine seat, a mounting plate is installed on the top of the processing shell, and a printing roller is arranged below the mounting plate, an ink box is also arranged below the mounting plate, and an ink roller is rotatably installed in the ink box, and the side of the printing roller contacts the side of the ink roller;

[0008] Two mounting frames are also installed at the bottom of the mounting plate, and a rotating seat is mounted on the bottom of the two mounting frames, and a brush roller and an electrostatic dust collecting roller are respectively installed at the bottom of the rotating seat. A driving motor is installed on the side walls of the two rotating seats, and the output shaft of the driving motor is respectively connected to the rotating shaft of the brush roller and the electrostatic dust collecting roller.

[0009] By adopting the above technical solution, when in use, the workpiece to be processed is transported by the workpiece conveyor belt, and the workpiece on the workpiece conveyor belt first passes through the bottom of the brush roller, and the brush roller sweeps off the dust on the workpiece, and then passes through the subsequent electrostatic dust-absorbing roller. The static electricity generated on the electrostatic dust-absorbing roller absorbs the dust, and finally the workpiece is printed with ink when passing through the bottom of the printing roller, and the ink roller provides ink for the printing roller.

[0010] As a further solution of the present invention: openings are provided at the bottoms of both sides of the processing shell, a through-opening is provided on the side wall of the processing shell, a lifting hydraulic cylinder with an output shaft facing downward is installed on the top of the processing shell, and the output shaft of the lifting hydraulic cylinder is connected to the top of the mounting plate.

[0011] By adopting the above technical solution, when in use, the opening design facilitates the workpiece to enter and exit the processing shell, and the lifting hydraulic cylinder drives the mounting plate to adjust the processing height, which is convenient for adapting to workpieces of different thicknesses.

[0012] As a further solution of the present invention: the front and rear ends of the printing roller are rotatably mounted on the roller seat, and the top of the roller seat is fixedly mounted on the bottom of the mounting plate, the top of the ink box is connected to the bottom of the mounting plate through a connecting rod, and an ink inlet tube is installed on the side wall of the ink box, and the ink inlet tube passes through the through-port.

[0013] By adopting the above technical solution, when in use, the printing roller and the ink box can be conveniently installed on the bottom of the mounting plate through the design of the roller seat and the connecting rod.

[0014] As a further solution of the present invention: a socket is provided at the bottom of the mounting frame, the top of the rotating seat is inserted into the socket, a fixing pin is provided on the side wall of the mounting frame, and the fixing pin passes through the mounting frame and is inserted into the rotating seat.

[0015] By adopting the above technical solution, when in use, the design of the socket and the fixing pin facilitates the loading and unloading of the rotating seat at the bottom of the mounting frame, thereby facilitating the replacement of the brush roller and the electrostatic dust collecting roller.

[0016] As a further solution of the present invention: the distance between the brush roller and the printing roller is greater than the distance between the electrostatic dust-collecting roller and the printing roller.

[0017] By adopting the above technical solution, when in use, such a design facilitates the workpiece to first pass through the bottom of the brush roller, then pass through the bottom of the electrostatic dust-collecting roller, and finally pass through the bottom of the printing roller.

[0018] As a further solution of the present invention: a negative pressure fan is also installed at the bottom of the mounting plate, the air outlet of the negative pressure fan is connected to a connecting pipe, the bottom of the connecting pipe is connected to a dust collecting box, the side wall of the dust collecting box is connected to a connecting box, and a dust scraping box is installed at the bottom of the connecting box.

[0019] By adopting the above technical solution, when in use, the negative pressure fan generates wind force to attract the dust on the brush roller scraped off from the dust scraper box, thereby preventing dust and fluff from falling onto the workpiece again.

[0020] As a further solution of the present invention: a box plate is provided on the front side of the dust box, and vents are opened on both sides of the dust box, a pull-out bottom plate is installed on the inner bottom of the dust box, a vertical filter is installed in the dust box, and the pull-out bottom plate and the filter are both connected to the box plate.

[0021] By adopting the above technical solution, when in use, the filter screen filters the air, and when the box plate is drawn out, the drawable bottom plate and the filter screen can be driven to be drawn out together, and the dust on the filter screen can be cleaned.

[0022] As a further solution of the present invention: the dust scraping box is of hollow design, and a dust scraping comb is provided on the side of the dust scraping box that contacts the brush on the brush roller.

[0023] By adopting the above technical solution, during use, the design of the scraping comb teeth facilitates the scraping of dust on the brush of the brush roller and then attracts the dust into the dust collection box.

[0024] Compared with the prior art, the invention has the following beneficial effects: the dust-removable offset ink printing machine,

[0025] (1) A brush roller and an electrostatic dust-collecting roller are provided. When the workpiece passes through the brush roller, the brush on the rotating brush roller surface sweeps away the dust and adheres to the larger dust, and the electrostatic dust-collecting roller utilizes the electrostatic adsorption effect to adsorb the loosened fine dust, thereby achieving a comprehensive dust cleaning effect on the workpiece surface;

[0026] (2) A negative pressure fan, a dust box and a dust scraper box are provided. The negative pressure fan generates negative pressure in the dust box through a connecting pipe. The negative pressure in the dust box is transmitted to the dust scraper box through the connecting box. The scraper comb teeth on the dust scraper box scrape off the dust on the brush roller, and use attraction to adsorb the dust into the dust box for collection, so as to avoid too much dust adhering to the brush roller and facilitate subsequent cleaning;

[0027] (3) A mounting plate and a lifting hydraulic cylinder are provided, and the components in the processing shell are all mounted on the bottom of the mounting plate. The height of the mounting plate can be adjusted by the lifting hydraulic cylinder to facilitate the height adjustment of the bottom components, so as to facilitate the processing of workpieces of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a front view structural schematic diagram of the present invention;

[0029] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention;

[0030] Figure 3 It is a schematic diagram of the side cross-sectional structure of the mounting frame, the rotating seat and the brush roller of the present invention;

[0031] Figure 4 It is a schematic diagram of the three-dimensional structure of the dust collecting box, the connecting box and the dust scraping box of the present invention;

[0032] Figure 5 It is a schematic diagram of the cross-sectional structure of the dust collecting box of the present invention.

[0033] In the figure: 1. printing machine base; 2. workpiece conveyor belt; 3. processing shell; 301. opening; 302. through-port; 303. mounting plate; 304. lifting hydraulic cylinder; 305. inspection door; 4. printing roller; 401. roller base; 5. ink box; 501. connecting rod; 6. ink roller; 7. ink inlet pipe; 8. mounting frame; 801. socket; 802. fixing pin; 9. rotating seat; 10. brush roller; 11. electrostatic dust roller; 12. negative pressure fan; 13. connecting pipe; 14. dust collecting box; 1401. box plate; 1402. vent; 1403. pull-out bottom plate; 1404. filter screen; 15. connecting box; 16. dust scraping box; 1601. dust scraping comb teeth; 17. driving motor; 18. control panel. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figure 1-5 The present invention provides a technical solution: a dust-removable offset ink printing machine, comprising a printing machine base 1,

[0036] A workpiece conveyor belt 2 is installed on the embedded top of the printing machine base 1, a processing shell 3 is installed on the top of the printing machine base 1, a mounting plate 303 is installed on the top of the processing shell 3, and a printing roller 4 is installed below the mounting plate 303, and an ink box 5 is also installed below the mounting plate 303, and an ink roller 6 is rotatably installed in the ink box 5, and the side of the printing roller 4 contacts the side of the ink roller 6;

[0037] Two mounting frames 8 are also installed at the bottom of the mounting plate 303, and the bottoms of the two mounting frames 8 are both engaged with a rotating seat 9, and the bottoms of the rotating seats 9 are respectively installed with a brush roller 10 and an electrostatic dust-collecting roller 11, and the side walls of the two rotating seats 9 are both installed with a driving motor 17, and the output shaft of the driving motor 17 is respectively connected to the rotating shaft of the brush roller 10 and the electrostatic dust-collecting roller 11;

[0038] Specifically, a control panel 18 is installed on the outside of the printing machine base 1, and the control panel 18 is electrically connected to various electrical components in the device.

[0039] See also Figure 2 In one embodiment of the present invention, openings 301 are provided at the bottoms of both sides of the processing housing 3, a through hole 302 is provided on the side wall of the processing housing 3, a lifting hydraulic cylinder 304 with an output shaft facing downward is installed on the top of the processing housing 3, and the output shaft of the lifting hydraulic cylinder 304 is connected to the top of the mounting plate 303;

[0040] Specifically, an inspection door 305 is installed at the back of the processing shell 3 to facilitate the disassembly of the rotating seat 9 at the bottom of the mounting frame 8, and then to facilitate the replacement of the brush roller 10 and the electrostatic dust-collecting roller 11.

[0041] See also Figure 2 In one embodiment of the present invention, the front and rear ends of the printing roller 4 are rotatably mounted on the roller seat 401, and the top of the roller seat 401 is fixedly mounted on the bottom of the mounting plate 303, the top of the ink cartridge 5 is connected to the bottom of the mounting plate 303 through a connecting rod 501, and an ink inlet tube 7 is installed on the side wall of the ink cartridge 5, and the ink inlet tube 7 passes through the through-port 302;

[0042] Specifically, a valve is installed on the ink inlet tube 7, and a liquid level sensor is provided in the ink cartridge 5, so as to facilitate adding ink into the ink cartridge 5 and detecting the amount of ink.

[0043] See also Figure 3 In one embodiment of the present invention, a socket 801 is provided at the bottom of the mounting frame 8, and the top of the rotating seat 9 is inserted into the socket 801. A fixing pin 802 is provided on the side wall of the mounting frame 8, and the fixing pin 802 passes through the mounting frame 8 and is inserted into the rotating seat 9.

[0044] See also Figure 2 In one embodiment of the present invention, the distance between the brush roller 10 and the printing roller 4 is greater than the distance between the electrostatic dust-collecting roller 11 and the printing roller 4;

[0045] Specifically, an electrostatic generator is installed in the electrostatic dust collecting roller 11, so that the electrostatic dust collecting roller 11 can attract fine dust.

[0046] See also Figure 2In one embodiment of the present invention, a negative pressure fan 12 is also installed at the bottom of the mounting plate 303, the air outlet of the negative pressure fan 12 is connected to a connecting pipe 13, the bottom of the connecting pipe 13 is connected to a dust collecting box 14, the side wall of the dust collecting box 14 is connected to a connecting box 15, and a dust scraping box 16 is installed at the bottom of the connecting box 15.

[0047] See also Figure 5 In one embodiment of the present invention, a box plate 1401 is provided on the front side of the dust box 14, and vents 1402 are opened on both sides of the dust box 14, a pull-out bottom plate 1403 is installed at the inner bottom of the dust box 14, and a vertical filter screen 1404 is installed in the dust box 14, and the pull-out bottom plate 1403 and the filter screen 1404 are both connected to the box plate 1401.

[0048] See also Figure 4 In one embodiment of the present invention, the dust scraper box 16 is hollow in design, and a dust scraper comb 1601 is provided on the side of the dust scraper box 16 that contacts the brush on the brush roller 10 .

[0049] Working principle: When using the offset ink printing machine with dust removal function, firstly, according to the thickness of the workpiece, the lifting hydraulic cylinder 304 is used to drive the mounting plate 303 to move up and down, and the height of the mounting plate 303 in the processing housing 3 is adjusted. Driven by the workpiece conveyor belt 2, the workpiece passes through the opening 301 and enters the processing housing 3. The electrostatic dust-collecting roller 11 drives the brush roller 10 to rotate. The bristles on the brush roller 10 scrape off the dust on the surface of the workpiece, and the dust such as hair can be stuck by the bristles and enter the dust box 16 under the action of the scraping comb teeth 1601. The negative pressure generated by the start-up of the negative pressure fan 12 causes the dust to enter the dust collecting box 1 4, the workpiece continues to move to the electrostatic dust-collecting roller 11 under the drive of the workpiece conveyor belt 2, and the static electricity generated on the electrostatic dust-collecting roller 11 adsorbs small dust. The workpiece moves to the printing roller 4 under the drive of the workpiece conveyor belt 2, and the printing roller 4 performs a printing process on the workpiece, and the ink roller 6 provides ink for the printing roller 4. The ink in the ink box 5 adheres to the ink roller 6 and is transferred to the printing roller 4. The liquid level sensor in the ink box 5 detects the amount of ink in the ink box 5. When the amount of ink is insufficient, ink is injected into the ink box 5 through the ink inlet tube 7. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0050] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0051] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dust-removable offset ink printing press, comprising a printing press stand (1), characterized in that: A workpiece conveyor belt (2) is installed on the embedded top of the printing machine base (1), a processing shell (3) is installed on the top of the printing machine base (1), a mounting plate (303) is installed on the top of the processing shell (3), and a printing roller (4) is provided below the mounting plate (303), an ink box (5) is also provided below the mounting plate (303), and an ink roller (6) is rotatably installed in the ink box (5), and the side of the printing roller (4) is in contact with the side of the ink roller (6); Two mounting frames (8) are also installed at the bottom of the mounting plate (303), and a rotating seat (9) is mounted on the bottom of the two mounting frames (8), and a brush roller (10) and an electrostatic dust collecting roller (11) are respectively installed at the bottom of the rotating seat (9), and a driving motor (17) is installed on the side walls of the two rotating seats (9), and the output shaft of the driving motor (17) is respectively connected to the rotating shaft of the brush roller (10) and the electrostatic dust collecting roller (11).

2. The dust-removable offset ink printing machine according to claim 1, characterized in that: The bottoms of both sides of the processing shell (3) are provided with openings (301), the side walls of the processing shell (3) are provided with through openings (302), and the top of the processing shell (3) is equipped with a lifting hydraulic cylinder (304) with an output shaft facing downward, and the output shaft of the lifting hydraulic cylinder (304) is connected to the top of the mounting plate (303).

3. The dust-removable offset ink printing machine according to claim 2, characterized in that: The front and rear ends of the printing roller (4) are rotatably mounted on a roller seat (401), and the top of the roller seat (401) is fixedly mounted on the bottom of a mounting plate (303). The top of the ink cartridge (5) is connected to the bottom of the mounting plate (303) via a connecting rod (501), and an ink inlet tube (7) is mounted on the side wall of the ink cartridge (5), and the ink inlet tube (7) passes through the through-port (302).

4. The dust-removable offset ink printing machine according to claim 1, characterized in that: The bottom of the mounting frame (8) is provided with a socket (801), the top of the rotating seat (9) is inserted into the socket (801), and a fixing pin (802) is provided on the side wall of the mounting frame (8), and the fixing pin (802) passes through the mounting frame (8) and is inserted into the rotating seat (9).

5. The dust-removable offset ink printing machine according to claim 1, characterized in that: The distance between the brush roller (10) and the printing roller (4) is greater than the distance between the electrostatic dust-collecting roller (11) and the printing roller (4).

6. The dust-removable offset ink printing press according to claim 1, characterized in that: A negative pressure fan (12) is also installed at the bottom of the mounting plate (303); the air outlet of the negative pressure fan (12) is connected to a connecting pipe (13); the bottom of the connecting pipe (13) is connected to a dust collecting box (14); the side wall of the dust collecting box (14) is connected to a connecting box (15); and a dust scraping box (16) is installed at the bottom of the connecting box (15).

7. The dust-removable offset ink printing machine according to claim 6, characterized in that: The front side of the dust box (14) is provided with a box plate (1401), and both sides of the dust box (14) are provided with vents (1402). A pull-out bottom plate (1403) is installed at the inner bottom of the dust box (14), and a vertical filter screen (1404) is installed in the dust box (14), and the pull-out bottom plate (1403) and the filter screen (1404) are both connected to the box plate (1401).

8. The dust-removable offset ink printing machine according to claim 6, characterized in that: The dust scraping box (16) is of hollow design, and a dust scraping comb (1601) is provided on the side of the dust scraping box (16) that contacts the brush on the brush roller (10).

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