Scraping blade fixing device of photogravure press

Abstract

The utility model provides a doctor blade fixing device of a gravure printing machine, which belongs to the technical field of doctor blade adjustment of printing machines and comprises a rotating roller and a doctor blade, a fixing groove is arranged on the surface of the rotating roller, a fixing knife handle is arranged in the fixing groove, the doctor blade is arranged in the fixing knife handle, and the fixing groove is matched with the fixing knife handle in a clamping mode. A bearing fixer is arranged on the side face of one end of the rotating roller, a rotating driver is arranged on the side face of the other end of the rotating roller, a coupler is arranged at one end of the rotating driver, a lifting platform is arranged below the rotating driver, a lifting platform is arranged below the bearing fixer, and a lifting driver is arranged below the lifting platform. The rotary driver is started to enable the coupler to drive the rotary shaft to rotate, so that the rotary roller rotates, the fixed groove and the fixed knife handle which are fixed on the surface of the rotary roller rotate, the ink scraping knife installed on the fixed knife handle rotates, and the angle position of the ink scraping knife and the ink roller is adjusted by controlling the rotation angle. Therefore, the angle of the doctor blade can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of adjusting ink scraper blades of printing presses, in particular to an ink scraper blade fixing device of a gravure printing press. Background Art

[0002] The gravure printing machine is a machine that uses gravure to print. When printing, the entire plate cylinder is inked, and the ink on the blank part of the plate is scraped off with a scraper, leaving the ink on the image part, and then the paper is passed, and the impression cylinder is pressed on the back of the paper, so that the ink in the concave part is directly transferred to the paper surface, and finally the printed matter is stacked or rewound through the paper collection part.

[0003] The ink scraper is a thin sheet used to scrape off excess ink on the surface of the roller on the printing press. In each printing process, removing the ink from the non-patterned area is a key point. The ink scraper must be wear-resistant and efficient to ensure the high quality of printing. The ink scraper is an important component of the gravure printing press. The gravure printing press needs to fix the ink scraper through a fixing device. The existing ink scraper fixing device for the gravure printing press is not easy to adjust the angle of the ink scraper. In order to solve the above problem, a ink scraper fixing device for a gravure printing press is proposed to solve the above problem. Utility Model Content

[0004] In view of this, the utility model provides a scraper fixing device for a gravure printing machine. The utility model can start a rotary drive to drive the coupling to rotate the rotating shaft, thereby rotating the rotating roller, thereby rotating the fixed groove and the fixed knife handle fixed on the surface of the rotating roller, and then rotating the scraper installed on the fixed knife handle. The angular position of the scraper and the ink roller is adjusted by controlling the rotation angle, thereby realizing the angle adjustment of the scraper.

[0005] In order to solve the above technical problems, the utility model provides a doctor blade fixing device for a gravure printing machine, comprising a rotating roller and a doctor blade, a fixing groove is provided on the surface of the rotating roller, a fixed knife handle is provided in the fixing groove, a doctor blade is provided in the fixed knife handle, the fixing groove and the fixed knife handle are snap-fitted, a bearing fixer is provided on the side of one end of the rotating roller, a rotating driver is provided on the side of the other end of the rotating roller, a coupling is provided at one end of the rotating driver, a lifting platform is provided below the rotating driver, a lifting platform is provided below the bearing fixer, and a lifting driver is provided below the lifting platform.

[0006] A rotating shaft for driving the rotating roller to rotate is arranged inside the rotating roller, and sealed bearings for sealing the connection of the rotating shaft are arranged at both ends of the rotating roller.

[0007] The rotating shaft passes through one end of the sealed bearing and is connected with the bearing holder. A supporting plate for fixing and installing the bearing holder is arranged on the side of the bearing holder.

[0008] The other end of the rotating shaft passes through the sealed bearing and is connected to the coupling. The lower surface of the coupling is provided with a first bracket for supporting and fixing the coupling.

[0009] A positioning block for connecting the supporting plate with the lifting platform is arranged on the lower surface of the supporting plate, the lower surface of the positioning block is connected with the lifting platform, and the lower surface of the first bracket is connected with the lifting platform.

[0010] One end of the coupling is provided with a connecting shaft for connecting the coupling with a rotary driver, the connecting shaft is connected to the rotary driver, the lower surface of the rotary driver is provided with a second bracket for fixing and installing the rotary driver, and the lower surface of the second bracket is connected to the lifting platform.

[0011] A lifting fixture is provided in the middle of the lower surface of the lifting platform for connecting the lifting platform with the electric lifting rod, an electric lifting rod is provided at the lower end of the lifting fixture for driving the lifting platform to lift, and an electric connector is provided at the lower end of the electric lifting rod for connecting the electric lifting rod with the lifting driver.

[0012] The lower end of the electric connector is connected to the upper end of the lifting driver. The four corners of the upper surface of the lifting driver are provided with telescopic support rods for assisting the lifting of the electric lifting rod. The upper end of the telescopic support rod is fixed to the four corners of the lower surface of the lifting platform.

[0013] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0014] 1. Start the rotary drive to make the coupling drive the rotating shaft to rotate, and then the rotating roller rotates, so that the fixed groove and the fixed knife handle fixed on the surface of the rotating roller rotate, and then the scraper installed on the fixed knife handle rotates, and the angle position of the scraper and the ink roller is adjusted by controlling the rotation angle, thereby realizing the angle adjustment of the scraper.

[0015] 2. A lifting fixture is provided in the middle of the lower surface of the lifting platform for connecting the lifting platform with an electric lifting rod. An electric lifting rod is provided at the lower end of the lifting fixture for driving the lifting platform to move up and down. An electric connector is provided at the lower end of the electric lifting rod for connecting the electric lifting rod with a lifting driver. The lifting platform is lifted and lowered by the electric lifting rod, thereby lifting and lowering the rotating roller, and thereby lifting and lowering the ink scraper to cope with ink rollers of different widths.

[0016] 3. A rotating shaft is provided inside the rotating roller for driving the rotating roller to rotate, and sealed bearings are provided at both ends of the rotating roller for sealing the connection of the rotating shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of a doctor blade fixing device for a gravure printing machine according to the utility model;

[0018] Figure 2It is a front cross-sectional view of the utility model;

[0019] Figure 3 This is a front view structural schematic diagram of the utility model;

[0020] Figure 4 It is a side sectional view of the utility model.

[0021] Description of reference numerals:

[0022] 100, rotating roller; 101, ink scraper; 102, fixing groove; 103, fixing knife handle; 104, bearing holder; 105, rotating driver; 106, coupling; 200, lifting platform; 201, lifting driver; 202, lifting holder; 203, electric lifting rod; 204, electric connector; 205, telescopic support rod; 300, rotating shaft; 301, sealed bearing; 302, support plate; 303, first bracket; 304, positioning block; 305, connecting shaft; 306, second bracket. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 The technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the utility model.

[0024] like Figure 1-4 As shown: This embodiment provides a doctor blade fixing device for a gravure printing machine, comprising a rotating roller 100 and a doctor blade 101, a fixed groove 102 for installing a fixed blade handle 103 is provided on the surface of the rotating roller 100, a fixed blade handle 103 for installing the doctor blade 101 is provided in the fixed groove 102, a doctor blade 101 for scraping the ink roller of the gravure printing machine is provided in the fixed blade handle 103, the fixed groove 102 is engaged with the fixed blade handle 103, a bearing holder 104 for fixing a rotating shaft 300 is provided on the side surface of one end of the rotating roller 100, and the rotating roller 100 is provided with a fixed groove 102 for installing a fixed blade handle 103, and the fixed blade handle 103 is provided with a fixed groove 102 for installing the doctor blade 101. A rotating driver 105 for driving the rotating shaft 300 to control the rotating angle is provided on the side of the other end of the rotating roller 100, a coupling 106 for connecting the rotating shaft 300 with the rotating driver 105 is provided at one end of the rotating driver 105, a lifting platform 200 for driving the rotating driver 105 to rise and fall is provided below the rotating driver 105, a lifting platform 200 for driving the bearing holder 104 to rise and fall is provided below the bearing holder 104, and a lifting driver 201 for driving the electric lifting rod 203 is provided below the lifting platform 200.

[0025] When in use, the rotary driver 105 is started to cause the coupling 106 to drive the rotating shaft 300 to rotate, thereby rotating the rotating roller 100, thereby rotating the fixed groove 102 and the fixed handle 103 fixed on the surface of the rotating roller 100, and then rotating the ink scraper 101 installed on the fixed handle 103, and then rotating the ink scraper 101. The angle position of the ink scraper 101 and the ink roller is adjusted by controlling the rotation angle, thereby realizing the angle adjustment of the ink scraper 101.

[0026] This embodiment provides a doctor blade fixing device for a gravure printing machine.

[0027] like Figure 1 , 2 As shown in , 3 and 4: a rotating shaft 300 for driving the rotating roller 100 to rotate is provided inside the rotating roller 100, the rotating roller 100 and the rotating shaft 300 are mechanically sealed and connected using a sealed bearing 301, sealed bearings 301 for sealing the connection of the rotating shaft 300 are provided at both ends of the rotating roller 100, the rotating shaft 300 passes through one end of the sealed bearing 301 and is mechanically connected to a bearing fixture 104, a support plate 302 for fixing the bearing fixture 104 is provided on the side of the bearing fixture 104, and the support plate 302 and the bearing fixture 104 are fixed by bolts.

[0028] like Figure 1 , 2 As shown in 3: the rotating shaft 300 passes through the sealed bearing 301 and the other end is mechanically sealed and connected to the coupling 106. The lower surface of the coupling 106 is provided with a first bracket 303 for supporting and fixing the coupling 106. The first bracket 303 and the coupling 106 are fixed by bolts. The lower surface of the support plate 302 is provided with a positioning block 304 for connecting the support plate 302 with the lifting platform 200. The support plate 302 and the positioning block 304 are fixed by bolts. The lower surface of the positioning block 304 is fixed to the lifting platform 200 by angle iron and bolts. The lower surface of the first bracket 303 is fixed to the upper surface of the lifting platform 200 by bolts.

[0029] like Figure 1 , 2 As shown in , 3 and 4: a connecting shaft 305 for connecting the coupling 106 with the rotating driver 105 is provided at one end of the coupling 106, the coupling 106 and the connecting shaft 305 are mechanically sealed and connected, the connecting shaft 305 and the rotating driver 105 are mechanically sealed and connected, a second bracket 306 for fixing the rotating driver 105 is provided on the lower surface of the rotating driver 105, the second bracket 306 and the rotating driver 105 are fixed by bolts, and the lower surface of the second bracket 306 and the upper surface of the lifting platform 200 are fixed by bolts.

[0030] like Figure 3As shown: a lifting fixture 202 for connecting the lifting platform 200 with an electric lifting rod 203 is provided in the middle of the lower surface of the lifting platform 200, the lifting platform 200 and the lifting fixture 202 are fixed by bolts, an electric lifting rod 203 for driving the lifting platform 200 to lift is provided at the lower end of the lifting fixture 202, the electric lifting rod 203 is mechanically connected to the lifting fixture 202, an electric connector 204 for connecting the electric lifting rod 203 with a lifting driver 201 is provided at the lower end of the electric lifting rod 203, the electric lifting rod 203 and the electric connector 204 are mechanically sealed, the lower end of the electric connector 204 is electrically connected to the upper end of the lifting driver 201, telescopic support rods 205 for assisting the electric lifting rod 203 in lifting are provided at the four corners of the upper surface of the lifting driver 201, the upper surface of the lifting driver 201 and the lower end of the telescopic support rod 205 are fixed by bolts, and the upper end of the telescopic support rod 205 and the four corners of the lower surface of the lifting platform 200 are fixed by bolts.

[0031] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0032] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A doctor blade fixing device for a gravure printing machine, characterized in that: The invention comprises a rotating roller (100) and an ink scraper (101); a fixing groove (102) is provided on the surface of the rotating roller (100); a fixing handle (103) is provided in the fixing groove (102); the ink scraper (101) is provided in the fixing handle (103); the fixing groove (102) and the fixing handle (103) are engaged with each other; a bearing fixer (104) is provided on the side surface of one end of the rotating roller (100); a rotating driver (105) is provided on the side surface of the other end of the rotating roller (100); a coupling (106) is provided at one end of the rotating driver (105); a lifting platform (200) is provided below the rotating driver (105); the lifting platform (200) is provided below the bearing fixer (104); and the lifting driver (201) is provided below the lifting platform (200).

2. The ink scraper fixing device of a gravure printing machine according to claim 1, characterized in that: A rotating shaft (300) is provided inside the rotating roller (100), and sealed bearings (301) are provided at both ends of the rotating roller (100).

3. The ink scraper fixing device of a gravure printing machine according to claim 2, characterized in that: The rotating shaft (300) passes through one end of the sealing bearing (301) and is connected to the bearing fixer (104), and a support plate (302) is provided on the side of the bearing fixer (104).

4. The ink scraper fixing device of a gravure printing machine as claimed in claim 3, characterized in that: The rotating shaft (300) passes through the other end of the sealed bearing (301) and is connected to the coupling (106). A first bracket (303) is provided on the lower surface of the coupling (106).

5. The ink scraper fixing device of a gravure printing machine according to claim 4, characterized in that: A positioning block (304) is provided on the lower surface of the support plate (302), the lower surface of the positioning block (304) is connected to the lifting platform (200), and the lower surface of the first bracket (303) is connected to the lifting platform (200).

6. The ink scraper fixing device of a gravure printing machine according to claim 5, characterized in that: A connecting shaft (305) is provided at one end of the coupling (106), and the connecting shaft (305) is connected to the rotating driver (105). A second bracket (306) is provided on the lower surface of the rotating driver (105), and the lower surface of the second bracket (306) is connected to the lifting platform (200).

7. The ink scraper fixing device of a gravure printing machine according to claim 6, characterized in that: A lifting fixture (202) is provided in the middle of the lower surface of the lifting platform (200), an electric lifting rod (203) is provided at the lower end of the lifting fixture (202), and an electric connector (204) is provided at the lower end of the electric lifting rod (203).

8. The ink scraper fixing device of a gravure printing machine according to claim 7, characterized in that: The lower end of the electric connector (204) is connected to the upper end of the lifting driver (201); telescopic support rods (205) are provided at four corners of the upper surface of the lifting driver (201); and the upper end of the telescopic support rods (205) is fixed to the four corners of the lower surface of the lifting platform (200).

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