Correcting device of photogravure press

Abstract

The utility model discloses a correcting device of a photogravure press, which belongs to the technical field of photogravure presses and comprises a case shell, a limiting component for preventing a printing stock from deviating is rotatably mounted on one side of the lower end in the case shell, and the limiting component comprises a limiting servo motor. A tension correcting assembly used for correcting the tension of a printing stock is rotationally installed in the machine box shell and comprises a correcting servo motor, a printing output shaft and a printing winding shaft are fixedly installed on the two sides in the machine box shell correspondingly, and thread lines are symmetrically formed in the two ends of the printing output shaft and the two ends of the printing winding shaft correspondingly. According to the printing equipment, the printing stock is limited between the limiting assemblies through the limiting assemblies, the position of the printing stock is prevented from deviating in the printing process, then the tension of the printing stock can be adjusted without stopping the printing equipment through the tension correcting assembly when the tension of the printing stock is large or small, and the printing efficiency is improved.

Description

Technical Field

[0001] The utility model specifically relates to a correction device for an intaglio printing machine, belonging to the technical field of intaglio printing machines. Background Art

[0002] Gravure printing uses a wide variety of substrates, such as paper, plastic film, and metal foil. These materials have varying physical properties and therefore varying tension requirements. Therefore, maintaining stable substrate tension is crucial for ensuring print quality. If the tension is too low, the substrate can easily wrinkle or shift during printing, affecting the clarity, color accuracy, and precision of the pattern. If the tension is too high, the substrate can deform, leading to significant print deviations. When the tension reaches the substrate's load capacity, it can even break, interrupting printing, wasting material, and impacting production efficiency. Therefore, before printing begins, the substrate's tension distribution must be carefully observed to prevent excessive or insufficient tension, thereby preventing errors during the printing process.

[0003] It is difficult to adjust the tension of the substrate during printing with the existing device. When the tension is too high or too low during printing, the printing press must be stopped immediately and the worker must manually pull the substrate to adjust the tension, which reduces production efficiency and is inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to address the deficiencies of the existing technology and provide a correction device for a gravure printing machine so that the printing material is always located between the limiting components during printing, thereby preventing the printing material from shifting during the printing process and affecting the printing effect. At the same time, if it is found that the tension of the printing material is too large or too small during the printing process, it can be adjusted at any time to prevent the printed pattern from being deformed.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions: a correction device of a gravure printing machine, comprising a chassis shell, a limit component for preventing deviation of the printing substrate is rotatably installed on one side of the lower end of the chassis shell, the limit component comprises a limit servo motor, a tension correction component for correcting the tension of the printing substrate is rotatably installed inside the chassis shell, the tension correction component comprises a correction servo motor, a printing output shaft and a printing reel shaft are fixedly installed on both sides of the chassis shell, both ends of the printing output shaft and the printing reel shaft are symmetrically provided with threaded lines, and both ends of the printing output shaft and the printing reel shaft are threadedly connected with adjustable splints, when in use, the limit component is used to ensure that the printing substrate is always between the limit components, thereby preventing the position of the printing substrate from deviating during the printing process and affecting the printing effect, and then the tension correction component is used to make it possible to adjust the tension to an appropriate size in time without stopping the printing equipment when it is found that the tension of the printing substrate is too large or too small during the printing process, thereby preventing deformation of the printed pattern.

[0006] Preferably, in order to facilitate printing of ink onto the surface of the printing material, an ink tank is fixedly installed on one side of the inner side of the chassis shell, a gravure roller is rotatably installed above the ink tank, a scraper is fixedly installed on one side of the upper end of the gravure roller, the blade of the scraper is tangent to the surface of the gravure roller, and an embossing roller is fixedly installed on the upper end of the gravure roller.

[0007] Preferably, in order to facilitate providing support force for the limit servo motor and the limit worm, the limit servo motor is fixedly installed at the bottom of the chassis shell, the limit worm is fixedly installed at the output end of the limit servo motor, and the other end of the limit worm is fixedly installed with a first worm support column, and the bottom of the chassis shell is fixedly installed with a first support frame, and the first support frame is rotatably connected to the first worm support column.

[0008] Preferably, in order to facilitate the transmission of the driving force of the limit servo motor to the limit transmission rod to make it rotate, a limit transmission rod is hinged on one side of the interior of the chassis shell, and a limit transmission gear is fixedly installed at the midpoint of the limit transmission rod, and the limit transmission gear is meshed with the limit worm, and limit thread lines are symmetrically provided at both ends of the limit transmission column, and the thread directions of the limit thread lines are opposite, and the two ends of the limit transmission rod are threadedly connected to the limit block, and a limit column is fixedly installed on the upper end of the limit block, and limit protrusions are symmetrically fixedly installed on both sides of the lower end of the limit block, and a limit hole is provided through the center of the limit protrusion, and a limit rod is fixedly installed inside the chassis shell, and the limit rod is slidably connected to the limit hole.

[0009] Preferably, in order to facilitate the transmission of the driving force of the correction servo motor to the active rod, the correction servo motor is fixedly installed at the bottom of the chassis shell, the output end of the correction servo motor is fixedly installed with a correction worm, the other end of the correction worm is fixedly installed with a second worm support column, the bottom of the chassis shell is fixedly installed with a second support frame, the second support frame is rotatably connected to the second worm support column, an active rod is provided above the correction worm, the active rod is rotatably connected to the chassis shell, both ends of the active rod pass through the chassis shell and extend to the outside, active bevel gears are symmetrically fixedly installed at both ends of the active rod, a correction transmission gear is fixedly installed at the midpoint of the active rod, the correction transmission gear is meshed with the correction worm, and a limiting support frame is symmetrically fixedly installed on the bottom of the chassis shell, and the upper end of the limiting support frame is rotatably connected to the active rod.

[0010] Preferably, in order to facilitate the rotation of the active rod to drive the driven threaded rod to rotate, a driven bevel gear is provided on one side of the active bevel gear, the driven bevel gear is meshed with the active bevel gear, and a driven threaded rod is fixedly installed on the upper end of one end of the driven bevel gear, and transmission bins are symmetrically fixedly installed on both sides of the outside of the chassis shell, the position of the transmission bin corresponds to the driven threaded rod, and the upper end of the driven threaded rod is supported and rotatably connected to the upper end of the transmission bin.

[0011] Preferably, in order to facilitate the up and down movement of the tension adjustment shaft by rotating the driven threaded rod, a tension adjustment shaft is threadedly connected above the active rod, and both ends of the tension adjustment shaft pass through the chassis shell and extend to the outside. Transmission blocks are symmetrically fixedly installed at both ends of the tension adjustment shaft, and a threaded hole is opened through the center of the transmission block, the threaded hole is engaged with the driven threaded rod, and the transmission block is slidingly connected to the transmission bin.

[0012] Preferably, in order to facilitate the rotation of the printing reel and thus rewind the printed part of the substrate, a drive motor is fixedly installed at one end of the printing reel, and a motor compartment is fixedly installed at the upper end of one side of the chassis shell, and the drive motor is fixedly installed in the motor compartment.

[0013] The beneficial effects of the present invention are as follows: when in use, the limiting components are used to limit the printing material between the limiting components, thereby preventing the printing material from shifting in position during printing and affecting the printing effect; and the tension correction components are used to adjust the tension of the printing material without stopping the printing equipment when the tension of the printing material is too large or too small, thereby improving printing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the chassis shell of the present utility model;

[0016] Figure 3 This is a schematic diagram of the gravure printing structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the tension correction component of the utility model;

[0019] Figure 6 This is a schematic diagram of the partial structure of the tension correction component of the present utility model.

[0020] In the figure: 1. Chassis shell; 2. Limiting assembly; 201. Limiting servo motor; 202. Limiting worm; 203. First support frame; 204. Limiting transmission rod; 205. Limiting transmission gear; 206. Limiting block; 207. Limiting rod; 3. Tension correction assembly; 301. Correction servo motor; 302. Correction worm; 303. Second support frame; 304. Active rod; 305. Active bevel gear; 306. Correction transmission gear; 307. Limiting support frame; 308. Driven bevel gear; 309. Driven threaded rod; 310. Tension adjustment shaft; 311. Transmission block; 4. Printing output shaft; 5. Printing reel; 6. Adjustable splint; 7. Ink tank; 8. Gravure roller; 9. Scraper; 10. Imprinting roller; 11. Transmission compartment; 12. Drive motor; 13. Motor compartment. DETAILED DESCRIPTION

[0021] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1-6As shown, a correction device for a gravure printing machine includes a chassis shell 1, on one side of the lower end of the chassis shell 1, a limit component 2 for preventing the deviation of the printing substrate is rotatably installed, so as to limit the printing substrate between the limit components 2, thereby preventing the position of the printing substrate from being shifted during the printing process, the limit component 2 includes a limit servo motor 201, and a tension correction component 3 for correcting the tension of the printing substrate is rotatably installed inside the chassis shell 1, so that if the tension of the printing substrate is found to be too large or too small during the printing process, the tension of the printing substrate can be adjusted without stopping the printing equipment, thereby improving the printing efficiency, the tension correction component 3 includes a correction servo motor 301, and a printing output shaft 4 and a printing reel shaft 5 are fixedly installed on both sides of the chassis shell 1, and both ends of the printing output shaft 4 and the printing reel shaft 5 are symmetrically provided with threaded lines, and both ends of the printing output shaft 4 and the printing reel shaft 5 are threadedly connected with adjustable clamps 6, so as to fix the printing substrate on the printing output shaft 4 and the printing reel shaft 5.

[0023] like Figure 3 and Figure 4 As shown, an ink tank 7 is fixedly installed on one side of the inner part of the chassis shell 1, and a gravure printing roller 8 is rotatably installed above the ink tank 7. A scraper 9 is fixedly installed on one side of the upper end of the gravure printing roller 8, and the blade of the scraper 9 is tangent to the surface of the gravure printing roller 8. An embossing roller 10 is fixedly installed on the upper end of the gravure printing roller 8. A limit servo motor 201 is fixedly installed on the bottom of the chassis shell 1, and a limit worm 202 is fixedly installed on the output end of the limit servo motor 201. A first worm support column is fixedly installed on the other end of the limit worm 202. A first support frame 203 is fixedly installed on the bottom of the chassis shell 1, and the first support frame 203 is rotatably connected to the first worm support column. A limit transmission rod 204 is hinged on one side of the inner part of the chassis shell 1, and a limit transmission gear 205 is fixedly installed at the midpoint of the limit transmission rod 204. The limit transmission gear 205 is meshed with the limit worm 202. Limit thread lines are symmetrically provided at both ends of the limit transmission column. The thread directions between the lines are opposite, and the two ends of the limit transmission rod 204 are threadedly connected to the limit blocks 206. The upper end of the limit block 206 is fixedly installed with a limit column, and the lower end of the limit block 206 is symmetrically fixedly installed with limit protrusions. A limit hole is provided at the center of the limit protrusion. A limit rod 207 is fixedly installed inside the chassis shell 1, and the limit rod 207 is slidably connected to the limit hole. When in use, after the printing substrate is fixed, the limit assembly 2 can be adjusted according to the width of different substrates. The limit servo motor 201 drives the limit worm 202 to rotate, and then the limit worm 202 engages with the limit transmission gear 205 to drive the limit transmission rod 204 to rotate. Since the thread directions at the two ends of the limit transmission rod 204 are opposite, when the limit transmission rod 204 rotates, it drives the limit blocks 206 to move toward each other, limiting the printing substrate between the limit blocks 206, thereby preventing the substrate position from shifting.

[0024] like Figure 5 and Figure 6 As shown, the correction servo motor 301 is fixedly installed at the bottom of the chassis shell 1, and a correction worm 302 is fixedly installed at the output end of the correction servo motor 301, and a second worm support column is fixedly installed at the other end of the correction worm 302, and a second support frame 303 is fixedly installed at the bottom of the chassis shell 1, and the second support frame 303 is rotatably connected to the second worm support column, and an active rod 304 is provided above the correction worm 302, and the active rod 304 is rotatably connected to the chassis shell 1, and both ends of the active rod 304 pass through the chassis shell 1 and extend to the outside, and active bevel gears 305 are symmetrically fixedly installed at both ends of the active rod 304, and a correction transmission gear 306 is fixedly installed at the midpoint of the active rod 304, and the correction transmission gear 306 is rotatably connected to the correction worm 302. The positive worm gear 302 is meshed with each other, and a limited support frame 307 is symmetrically fixedly installed at the bottom of the chassis shell 1. The upper end of the limited support frame 307 is rotatably connected to the active rod 304. A driven bevel gear 308 is provided on one side of the active bevel gear 305. The driven bevel gear 308 is meshed with the active bevel gear 305. A driven threaded rod 309 is fixedly installed on the upper end of one end of the driven bevel gear 308. The transmission bin 11 is symmetrically fixedly installed on both sides of the outside of the chassis shell 1. The position of the transmission bin 11 corresponds to the driven threaded rod 309. The upper end of the driven threaded rod 309 is supported and rotatably connected to the upper end of the transmission bin 11. A tension adjustment shaft 310 is threadedly connected to the top of the active rod 304, and both ends of the tension adjustment shaft 310 pass through the chassis shell 1 Extending to the outside, transmission blocks 311 are symmetrically fixedly installed at both ends of the tension adjustment shaft 310, and a threaded hole is opened through the center of the transmission block 311, which is engaged with the driven threaded rod 309. The transmission block 311 is slidably connected to the transmission warehouse 11. A driving motor 12 is fixedly installed at one end of the printing reel 5, and a motor warehouse 13 is fixedly installed at the upper end of one side of the chassis shell 1. The driving motor 12 is fixedly installed in the motor warehouse 13. When in use, after the substrate is fixed on the printing output shaft 4, the initial end of the substrate is pulled out to bypass the limit block 206, and then bypass the upper surface of the tension adjustment shaft 310, pass through the gap between the gravure cylinder 8 and the impression roller 10, and finally wind around the printing reel 5. Printing can begin, and the printing material is limited by the limiting component 2. When the tension of the printing material is too large or too small, the correction servo motor 301 drives the correction worm 302 to rotate. Since the correction worm 302 is engaged with the correction transmission gear 306, the correction worm 302 rotates and drives the active rod 304 to rotate. The active rod 304 drives the active bevel gear 305 to rotate. Since the active bevel gear 305 is engaged with the driven bevel gear 308, the active bevel gear 305 drives the driven threaded rod 309 to rotate. Since the driven threaded rod 309 is threadedly connected to the transmission block 311, the rotation of the driven threaded rod 309 drives the tension adjustment shaft 310 to move vertically, thereby realizing the tension adjustment of the printing material.

[0025] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0026] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A correction device for a gravure printing press, characterized in that: The invention comprises a chassis shell (1), wherein a limit assembly (2) for preventing a printing substrate from deviating is rotatably mounted on one side of the lower end of the chassis shell (1), wherein the limit assembly (2) comprises a limit servo motor (201), wherein a tension correction assembly (3) for correcting the tension of the printing substrate is rotatably mounted on the inside of the chassis shell (1), wherein the tension correction assembly (3) comprises a correction servo motor (301), wherein a printing output shaft (4) and a printing reel shaft (5) are fixedly mounted on both sides of the chassis shell (1), wherein both ends of the printing output shaft (4) and the printing reel shaft (5) are symmetrically provided with threaded lines, and both ends of the printing output shaft (4) and the printing reel shaft (5) are threadedly connected with adjustable clamping plates (6).

2. The correction device for a gravure printing press according to claim 1, wherein: An ink tank (7) is fixedly mounted on one side of the interior of the chassis shell (1); a gravure roller (8) is rotatably mounted above the ink tank (7); a scraper (9) is fixedly mounted on one side of the upper end of the gravure roller (8); the blade of the scraper (9) is tangent to the surface of the gravure roller (8); and an embossing roller (10) is fixedly mounted on the upper end of the gravure roller (8).

3. The correction device for a gravure printing press according to claim 1, wherein: The position-limiting servo motor (201) is fixedly mounted on the bottom of the chassis housing (1); a position-limiting worm (202) is fixedly mounted on the output end of the position-limiting servo motor (201); a first worm support column is fixedly mounted on the other end of the position-limiting worm (202); a first support frame (203) is fixedly mounted on the bottom of the chassis housing (1); and the first support frame (203) is rotatably connected to the first worm support column.

4. The correction device for a gravure printing press according to claim 3, wherein: A limit transmission rod (204) is hingedly connected to one side of the interior of the chassis shell (1); a limit transmission gear (205) is fixedly installed at the midpoint of the limit transmission rod (204); the limit transmission gear (205) is meshed with the limit worm (202); limit thread lines are symmetrically provided at both ends of the limit transmission rod (204); the thread directions of the limit thread lines are opposite; both ends of the limit transmission rod (204) are threadedly connected to a limit block (206); a limit column is fixedly installed at the upper end of the limit block (206); limit protrusions are symmetrically fixedly installed on both sides of the lower end of the limit block (206); a limit hole is provided through the center of the limit protrusion; a limit rod (207) is fixedly installed inside the chassis shell (1); the limit rod (207) is slidably connected to the limit hole.

5. The correction device for a gravure printing press according to claim 1, wherein: The correction servo motor (301) is fixedly mounted on the bottom of the chassis housing (1); a correction worm (302) is fixedly mounted on the output end of the correction servo motor (301); a second worm support column is fixedly mounted on the other end of the correction worm (302); a second support frame (303) is fixedly mounted on the bottom of the chassis housing (1); the second support frame (303) is rotatably connected to the second worm support column; an active rod (304) is provided above the correction worm (302); the active rod (304) is connected to the chassis housing ( 1) Rotational connection, the two ends of the active rod (304) pass through the chassis shell (1) and extend to the outside, the two ends of the active rod (304) are symmetrically fixed with active bevel gears (305), the midpoint of the active rod (304) is fixed with a correction transmission gear (306), the correction transmission gear (306) is meshed with the correction worm (302), and a limit support frame (307) is symmetrically fixedly installed at the bottom of the chassis shell (1), and the upper end of the limit support frame (307) is rotationally connected to the active rod (304).

6. The correction device for a gravure printing press according to claim 5, wherein: A driven bevel gear (308) is provided on one side of the driving bevel gear (305), and the driven bevel gear (308) is meshed with the driving bevel gear (305). A driven threaded rod (309) is fixedly mounted on the upper end of one end of the driven bevel gear (308). Transmission bins (11) are symmetrically fixedly mounted on both sides of the exterior of the chassis housing (1). The position of the transmission bin (11) corresponds to that of the driven threaded rod (309), and the upper end of the driven threaded rod (309) is supported and rotatably connected to the upper end of the transmission bin (11).

7. The correction device for a gravure printing press according to claim 6, wherein: A tension adjustment shaft (310) is threadedly connected above the active rod (304), and both ends of the tension adjustment shaft (310) pass through the chassis shell (1) and extend to the outside. Transmission blocks (311) are symmetrically fixedly installed at both ends of the tension adjustment shaft (310), and a threaded hole is opened through the center of the transmission block (311), and the threaded hole is engaged with the driven threaded rod (309), and the transmission block (311) is slidably connected to the transmission chamber (11).

8. The correction device for a gravure printing press according to claim 1, wherein: A driving motor (12) is fixedly mounted on one end of the printing reel (5), a motor compartment (13) is fixedly mounted on the upper end of one side of the chassis shell (1), and the driving motor (12) is fixedly mounted in the motor compartment (13).

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