An ink layer scraping device for ink roller journal of printing machine

Abstract

The invention discloses an ink layer scraping device for an ink roller journal for a printing press, comprising a positioning seat, a positioning plate provided on the positioning seat, a positioning cavity provided on the top surface of the positioning plate, a vertically arranged rotating shaft provided at the inner center position of the positioning cavity, the lower end of the rotating shaft installed on the positioning plate, and a scraping mechanism provided at the upper end of the rotating shaft; the scraping mechanism comprises a rotating block, the rotating block is installed at the inner bottom of the positioning cavity, a vertically arranged side block is provided on the rotating block, a fixing portion is provided at the upper end of the side block, a fixing cavity is provided at the side of the fixing portion, a second fixing hole is provided at the middle position of the fixing cavity, and an ink scraper is installed at the fixed cavity position. The invention scrapes the ink layer of the ink roller journal by the ink scraper, thereby greatly improving the efficiency of scraping the ink layer of the ink roller journal.

Description

Technical Field

[0001] The invention relates to a scraping device, in particular to an ink layer scraping device for an ink roller journal of a printing press. Background Art

[0002] In the printing process, the ink roller should ensure the good working stability of the ink delivery system, the uniformity of the ink and the continuous ink supply. The ink roller should have good ink affinity, elasticity, and solvent resistance. The roller core of the ink roller should have good rigidity and strength, and have the ability to resist deformation. Therefore, the printing ink roller is generally composed of a metal roller core and a rubber layer. The printing ink roller is divided into two types according to its structure: heavy roller and light roller. The heavy roller, referred to as the heavy roller or pressure roller, is a solid metal roller made of high-quality carbon steel. The heavy roller is used as an ink-distributing roller in the ink delivery system. The light roller is composed of a metal roller core and a colloid. The metal roller core is composed of a roller neck and a roller tube core, wherein the roller neck is made of high-quality carbon steel, and the roller tube core is made of a seamless steel tube. The ink layer of the existing ink roller shaft neck is not convenient to remove, and the efficiency of scraping the ink layer is low. Summary of the invention

[0003] The present invention mainly solves the technical problems existing in the prior art, thereby providing an ink roller journal ink layer scraping device for a printing press, which scrapes the ink layer of the ink roller journal by a scraper, thereby greatly improving the efficiency of scraping the ink layer of the ink roller journal.

[0004] The above technical problems of the present invention are mainly solved by the following technical solutions:

[0005] A device for scraping ink layer from an ink roller journal for a printing press comprises a positioning seat, a positioning plate is arranged on the positioning seat, a positioning cavity is arranged on the top surface of the positioning plate, a vertically arranged rotating shaft is arranged at the inner center position of the positioning cavity, the lower end of the rotating shaft is mounted on the positioning plate, and a scraping mechanism is arranged at the upper end of the rotating shaft; the scraping mechanism comprises a rotating block, the rotating block is mounted on the inner bottom of the positioning cavity, a vertically arranged side block is arranged on the rotating block, a fixing portion is arranged at the upper end of the side block, a fixing cavity is arranged at the side of the fixing portion, a second fixing hole is arranged at the middle position of the fixing cavity, an ink scraper is installed at the fixed cavity position, the ink scraper is installed at the fixed cavity position by a second fixing pin, and the lower end of the second fixing pin is fixed in the second fixing hole; the ink scraper comprises an ink scraper body, ink scraping ends are arranged at both ends of the ink scraper body, the ink scraping ends are pointed at the ends, a locking groove is arranged at the middle position of the ink scraper body, and the second fixing pin passes through the locking groove.

[0006] Furthermore, the cross-section of the scraper blade body is a diamond shape; a convex portion is provided at the edge of the top surface of the scraper blade body, and the cross-section of the convex portion is a diamond shape; inner grooves are provided on the inward-facing surfaces on both sides of the convex portion; a secondary positioning surface is provided on the outer side surface of the scraper blade body, and a main positioning surface is provided on the outward-facing surface of the fixing portion, and the main positioning surface coincides with the secondary positioning surface; the cross-section of the fixing portion is an isosceles trapezoid.

[0007] Furthermore, a rotating disk is installed in the positioning cavity, and the rotating disk includes a rotating disk body, a mounting cavity is provided in the middle position of the rotating disk body, a rotating block is installed in the mounting cavity, and the rotating block and the rotating disk body are fixedly installed by a first fixing pin; a side groove and a locking hole are provided on one side of the rotating disk body, and the locking hole is arranged between the side groove and the mounting cavity, and the side groove, the locking hole and the mounting cavity are connected in sequence; the first fixing pin passes through the side groove and the locking hole and fixes the rotating block; a rotating member is connected to the other side of the rotating disk body; the rotating member includes an operating handle, a fixed shaft is provided at the lower end of the operating handle, a limiting ball is provided at the upper end of the operating handle, a fixing groove is provided on the other side of the rotating disk body, a first fixing hole is provided at the position of the fixing groove, and the fixing shaft is installed in the first fixing hole; the operating handle is inclined, the limiting ball is spherical, and the diameter of the limiting ball is larger than the diameter of the operating handle.

[0008] Furthermore, the positioning seat includes a positioning plate, a side plate is provided on the positioning plate, a protective plate is provided on the side plate, a number of fixing bolts are provided on the protective plate, the side plate is arranged vertically, and the positioning plate and the protective plate are arranged horizontally; the positioning plate is fixed on the positioning plate; a lifting mechanism is provided between the rotating block and the side block, and the lifting mechanism includes a protective box, the protective box is installed on the side of the rotating block, a hydraulic cylinder is installed in the protective box, a piston rod is provided on the upper part of the hydraulic cylinder, and the end of the piston rod is connected to the bottom of the side block; a guide cylinder is provided on the upper part of the protective box, and the guide cylinder is sleeved on the outer circumferential surface of the piston rod; a bearing sleeve is provided between the guide cylinder and the piston rod.

[0009] In the ink layer scraping device for the ink roller journal of a printing press adopting the above technical solution, an operator can manually move the side block, and the side block can perform rotational adjustment on the rotating block, and the rotating block can realize horizontal rotation around the rotating axis, and the rotating block can realize horizontal rotation adjustment in the positioning cavity; the rotation of the rotating block drives the side block to realize rotation, and the rotation of the side block drives the fixed part to realize rotation, and the rotation of the fixed part drives the scraper to realize rotation, and the scraper is firmly installed on the fixed part through the second fixing pin, and the operator installs the ink roller on the side of the scraper, and makes the ink roller journal contact with the scraper, and the ink layer on the ink roller journal is scraped by the scraper, which greatly improves the efficiency of scraping the ink layer on the ink roller journal. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic structural diagram of the ink layer scraping device of the ink roller journal for the printing press of the present invention.

[0011] Figure 2 The present invention is an exploded view of the ink layer scraping device of the ink roller journal for the printing press.

[0012] Figure 3 It is a schematic structural diagram of the rotating disk of the present invention.

[0013] Figure 4 It is a side view of the rotating disk of the present invention.

[0014] Figure 5 for Figure 4 Middle AA section view.

[0015] Figure 6 It is a structural schematic diagram of the scraping mechanism of the present invention.

[0016] Figure 7 for Figure 6 A detailed enlarged view of area B.

[0017] Figure 8 It is a structural schematic diagram of the lifting mechanism of the present invention.

[0018] 1. The numbers in the figure represent: 1. positioning seat; 2. positioning plate; 3. side plate; 4. protective plate; 5. fixing bolt; 6. positioning disk; 7. positioning cavity; 8. rotating shaft; 9. scraping mechanism; 10. rotating disk; 11. first fixing pin; 12. operating handle; 13. fixing shaft; 14. limiting ball; 15. rotating disk body; 16. installation cavity; 17. side groove; 18. locking hole; 19. fixing groove; 20. first fixing hole; 21. rotating block; 22. side block; 23. fixing part; 24. fixing cavity; 25. second fixing hole; 26. scraper; 27. second fixing pin; 28. scraper body; 29. ​​scraper end; 30. locking groove; 31. convex part; 32. inner groove; 33. auxiliary positioning surface; 34. main positioning surface; 35. protective box; 36. hydraulic cylinder; 37. piston rod; 38. guide cylinder. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0020] like Figures 1 to 8As shown, a device for scraping ink layer from the ink roller journal of a printing press comprises a positioning seat 1, a positioning plate 6 is arranged on the positioning seat 1, a positioning cavity 7 is arranged on the top surface of the positioning plate 6, a rotating shaft 8 arranged vertically is arranged at the center position of the inner part of the positioning cavity 7, the lower end of the rotating shaft 8 is mounted on the positioning plate 6, and a scraping mechanism 9 is arranged on the upper end of the rotating shaft 8; the scraping mechanism 9 comprises a rotating block 21, the rotating block 21 is mounted on the inner bottom of the positioning cavity 7, a side block 22 arranged vertically is arranged on the rotating block 21, a fixing portion 23 is arranged on the upper end of the side block 22, and the fixing portion A fixing cavity 24 is provided on the side of the ink scraper 23, a second fixing hole 25 is provided in the middle of the fixing cavity 24, a scraper 26 is installed in the fixing cavity 24, the scraper 26 is installed in the fixing cavity 24 through a second fixing pin 27, and the lower end of the second fixing pin 27 is fixed in the second fixing hole 25; the scraper 26 includes a scraper body 28, scraper ends 29 are provided at both ends of the scraper body 28, and the scraper ends 29 are pointed at the ends, a locking groove 30 is provided in the middle of the scraper body 28, and the second fixing pin 27 passes through the locking groove 30.

[0021] The ink layer scraping device for the ink roller journal of the printing press of the present invention is as follows: an operator can manually move the side block 22, and the side block 22 can perform rotation adjustment on the rotating block 21, so that the rotating block 21 can realize horizontal rotation around the rotating shaft 8, and the rotating block 21 can realize horizontal rotation adjustment in the positioning cavity 7; the rotation of the rotating block 21 drives the side block 22 to realize rotation, and the rotation of the side block 22 drives the fixed part 23 to realize rotation, and the rotation of the fixed part 23 drives the ink scraper 26 to realize rotation, and the ink scraper 26 is firmly installed on the fixed part 23 through the second fixed pin 27. The operator installs the ink roller on the side of the ink scraper 26, and makes the ink roller journal contact with the ink scraper 26, and the ink layer on the ink roller journal is scraped by the ink scraper 26, thereby greatly improving the efficiency of scraping the ink layer on the ink roller journal.

[0022] Preferably, the cross-section of the scraper blade body 28 is a diamond shape; a convex portion 31 is provided at the edge of the top surface of the scraper blade body 28, and the cross-section of the convex portion 31 is a diamond shape; inner grooves 32 are provided on the inward-facing surfaces on both sides of the convex portion 31; a secondary positioning surface 33 is provided on the outer side surface of the scraper blade body 28, and a main positioning surface 34 is provided on the outward-facing surface of the fixing portion 23, and the main positioning surface 34 coincides with the secondary positioning surface 33; the cross-section of the fixing portion 23 is an isosceles trapezoid; the fixing portion 23 positions and installs the scraper blade body 28 through the secondary positioning surface 33 and the main positioning surface 34, and the scraper blade body 28 scrapes the ink layer on the ink roller journal through the convex portion 31, which greatly improves the efficiency of scraping the ink layer on the ink roller journal.

[0023] Preferably, a rotating disk 10 is installed in the positioning cavity 7, and the rotating disk 10 includes a rotating disk body 15, and a mounting cavity 16 is provided in the middle position of the rotating disk body 15. The rotating block 21 is installed in the mounting cavity 16, and the rotating block 21 and the rotating disk body 15 are fixedly installed by a first fixing pin 11; a side groove 17 and a locking hole 18 on one side of the rotating disk body 15, and the locking hole 18 is arranged between the side groove 17 and the mounting cavity 16, and the side groove 17, the locking hole 18 and the mounting cavity 16 are connected in sequence; the first fixing pin 11 passes through the side groove 17 and the locking hole 18 and fixes the rotating block 21; a rotating member is connected to the other side of the rotating disk body 15; the rotating disk body 15 firmly installs the rotating block 21 through the first fixing pin 11, and fixes the first fixing pin 11 through the side groove 17 and the locking hole 18.

[0024] Preferably, the rotating member includes an operating handle 12, a fixed shaft 13 is provided at the lower end of the operating handle 12, a limiting ball 14 is provided at the upper end of the operating handle 12, a fixing groove 19 is provided on the other side of the rotating disk body 15, a first fixing hole 20 is provided at the position of the fixing groove 19, and the fixed shaft 13 is installed in the first fixing hole 20; the operating handle 12 is inclined, the limiting ball 14 is spherical, and the diameter of the limiting ball 14 is larger than the diameter of the operating handle 12; the operator operates the fixed shaft 13 through the operating handle 12, and the operating handle 12 rotates the rotating disk body 15 through the fixed shaft 13, and the rotating disk The main body 15 is rotated and adjusted around the positioning cavity 7, the rotating disk main body 15 drives the rotating block 21 to rotate, the rotation of the rotating block 21 drives the side block 22 to rotate, the rotation of the side block 22 drives the fixed part 23 to rotate, the rotation of the fixed part 23 drives the scraper 26 to rotate, the scraper 26 is firmly mounted on the fixed part 23 by the second fixing pin 27, the operator installs the ink roller on the side of the scraper 26, the ink roller shaft neck is in contact with the scraper 26, the ink layer on the ink roller shaft neck is scraped off by the scraper 26, the efficiency of scraping off the ink layer on the ink roller shaft neck is greatly improved.

[0025] Preferably, the positioning seat 1 includes a positioning plate 2, a side plate 3 is provided on the positioning plate 2, a protective plate 4 is provided on the side plate 3, a plurality of fixing bolts 5 are provided on the protective plate 4, the side plate 3 is arranged vertically, and the positioning plate 2 and the protective plate 4 are arranged horizontally; the positioning plate 6 is fixed on the positioning plate 2; and the positioning plate 6 is positioned and installed by the positioning plate 2.

[0026] Preferably, a lifting mechanism is provided between the rotating block 21 and the side block 22, and the lifting mechanism includes a protective box 35, which is installed on the side of the rotating block 21, and a hydraulic cylinder 36 is installed in the protective box 35. A piston rod 37 is provided on the upper part of the hydraulic cylinder 36, and the end of the piston rod 37 is connected to the bottom of the side block 22; a guide cylinder 38 is provided on the upper part of the protective box 35, and the guide cylinder 38 is sleeved on the outer circumferential surface of the piston rod 37; a bearing sleeve is provided between the guide cylinder 38 and the piston rod 37; the hydraulic cylinder 36 controls the side block 22 to realize vertical lifting adjustment through the piston rod 37, and the vertical lifting adjustment of the side block 22 drives the scraper body 28 to realize vertical lifting adjustment, and the scraper body 28 scrapes the ink layer on the ink roller journal through the convex portion 31, which greatly improves the efficiency of scraping the ink layer on the ink roller journal.

[0027] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A device for scraping ink layer from an ink roller journal for a printing press, comprising a positioning seat (1), a positioning plate (6) being provided on the positioning seat (1), a positioning cavity (7) being provided on the top surface of the positioning plate (6), a rotating shaft (8) being arranged vertically at the center position of the interior of the positioning cavity (7), the lower end of the rotating shaft (8) being mounted on the positioning plate (6), and a scraping mechanism (9) being provided on the upper end of the rotating shaft (8), characterized in that: The scraping mechanism (9) comprises a rotating block (21), the rotating block (21) being mounted on the inner bottom of the positioning cavity (7), the rotating block (21) being provided with a side block (22) arranged vertically, the upper end of the side block (22) being provided with a fixing portion (23), the side of the fixing portion (23) being provided with a fixing cavity (24), the middle position of the fixing cavity (24) being provided with a second fixing hole (25), the position of the fixing cavity (24) being provided with an ink scraper (26), the The ink scraper (26) is installed in the fixed cavity (24) through a second fixing pin (27). The lower end of the second fixing pin (27) is fixed in the second fixing hole (25). The ink scraper (26) comprises an ink scraper body (28). Both ends of the ink scraper body (28) are provided with ink scraping ends (29). The ends of the ink scraping ends (29) are pointed. A locking groove (30) is provided in the middle of the ink scraper body (28). The second fixing pin (27) passes through The ink scraper body (28) has a locking groove (30), the cross section of the ink scraper body (28) is a rhombus shape, a convex portion (31) is provided at the edge of the top surface of the ink scraper body (28), the cross section of the convex portion (31) is a rhombus shape, and inner grooves (32) are provided at the inwardly facing surfaces of both sides of the convex portion (31), the outer side surface of the ink scraper body (28) is provided with a secondary positioning surface (33), and the outwardly facing surface of the fixing portion (23) is provided with a main positioning surface (34), and the main positioning surface (35) is provided with a locking groove (30). The surface (34) coincides with the auxiliary positioning surface (33); the cross section of the fixing portion (23) is in the shape of an isosceles trapezoid; a rotating disk (10) is installed in the positioning cavity (7); the rotating disk (10) comprises a rotating disk body (15); a mounting cavity (16) is provided in the middle of the rotating disk body (15); the rotating block (21) is installed in the mounting cavity (16); and the rotating block (21) and the rotating disk body (15) are fixedly installed by a first fixing pin (11).

2. The ink layer scraping device for the ink roller journal of a printing press according to claim 1, characterized in that: A side groove (17) and a locking hole (18) are provided on one side of the rotating disk body (15); the locking hole (18) is arranged between the side groove (17) and the mounting cavity (16); the side groove (17), the locking hole (18) and the mounting cavity (16) are connected in sequence; the first fixing pin (11) passes through the side groove (17) and the locking hole (18) and fixes the rotating block (21); and a rotating member is connected to the other side of the rotating disk body (15).

3. The ink layer scraping device for the ink roller journal of a printing press according to claim 2, characterized in that: The rotating member comprises an operating handle (12), a fixed shaft (13) is provided at the lower end of the operating handle (12), a limiting ball (14) is provided at the upper end of the operating handle (12), a fixed groove (19) is provided on the other side of the rotating disk body (15), a first fixed hole (20) is provided at the position of the fixed groove (19), and the fixed shaft (13) is installed in the first fixed hole (20).

4. The ink layer scraping device for the ink roller journal of a printing press according to claim 3, characterized in that: The operating handle (12) is inclined, the limiting ball (14) is spherical, and the diameter of the limiting ball (14) is greater than the diameter of the operating handle (12).

5. The ink layer scraping device for ink roller journal of a printing press according to claim 1, characterized in that: The positioning seat (1) comprises a positioning plate (2), the positioning plate (2) is provided with a side plate (3), the side plate (3) is provided with a protective plate (4), the protective plate (4) is provided with a plurality of fixing bolts (5), the side plate (3) is arranged vertically, the positioning plate (2) and the protective plate (4) are arranged horizontally, and the positioning plate (6) is fixed on the positioning plate (2).

6. The ink layer scraping device for ink roller journal of a printing press according to claim 1, characterized in that: A lifting mechanism is provided between the rotating block (21) and the side block (22), and the lifting mechanism comprises a protection box (35). The protection box (35) is installed on the side of the rotating block (21). A hydraulic cylinder (36) is installed in the protection box (35). A piston rod (37) is provided on the upper part of the hydraulic cylinder (36), and the end of the piston rod (37) is connected to the bottom of the side block (22).

7. The ink layer scraping device for ink roller journal of a printing press according to claim 6, characterized in that: A guide cylinder (38) is provided on the upper part of the protection box (35). The guide cylinder (38) is sleeved on the outer peripheral surface of the piston rod (37). A bearing sleeve is provided between the guide cylinder (38) and the piston rod (37).

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