Ink vibrator shifting device structure of printing machine

Abstract

The invention relates to a printer distributing roller shifting device structure which comprises a bearing seat, a distributing roller is movably installed in the bearing seat and connected with a gear and a worm through keys, the worm is rotatably installed on the upper portion of a shell, an eccentric shaft is rotatably installed on the lower portion of the shell and comprises a main shaft body and an eccentric shaft body, and the main shaft body is connected with a worm wheel through a key. The off-axis body extends out of the shell and is rotationally connected with one end of the connecting plate, and the other end of the connecting plate is hinged to the fixing base. The device is simpler in structure, more convenient to operate, high in printing efficiency and printing quality, low in rejection rate and lower in implementation cost.

Description

Technical Field

[0001] The invention belongs to the technical field of printing machines and relates to the structure of an ink roller stringing device of a printing machine. Background Art

[0002] A printing press is a machine that prints text and images. Modern printing presses are generally composed of mechanisms such as plate loading, inking, embossing, and paper feeding (including folding). The ink roller of a printing press is an important accessory of a printing press. Its function is to make the ink more evenly distributed, avoid local accumulation or unevenness, and ensure the consistency and uniformity of the ink color of the printed product. This is crucial for the pursuit of high-quality and high-precision printing effects. The existing ink roller has problems of incoherence and poor precision in the stringing, which affects the clarity and precision of printing. Summary of the invention

[0003] The object of the present invention is to provide a printing press ink roller stringing device structure, which can solve the above-mentioned problems and has high brush quality and low scrap rate.

[0004] According to the technical solution provided by the present invention: a printing press ink roller stringing device structure includes a bearing seat, an ink roller is movably installed in the bearing seat, the ink roller is connected to the gear and the worm through a key, the worm is rotatably installed on the upper part of the shell, and the eccentric shaft is rotatably installed on the lower part of the shell. The eccentric shaft includes a main shaft body and an eccentric shaft body, the main shaft body is connected to the worm gear through a key, the worm gear is meshed with the worm, the eccentric shaft body extends out of the shell and is rotatably connected to one end of a connecting plate, and the other end of the connecting plate is hinged to a fixed seat.

[0005] As a further improvement of the present invention, the ink-distributing roller rotates and moves in the bearing seat.

[0006] As a further improvement of the present invention, two pairs of bearings are installed in the bearing seat, the outer ring of the left end bearing is against the retaining ring, the outer ring of the right end bearing is against the inner wall boss of the bearing seat, and a spacer ring is installed between the left and right end bearing outer rings; the inner ring of the bearing is fixedly sleeved on the outer periphery of the ink stringing roller.

[0007] As a further improvement of the present invention, the upper part of the shell is a worm mounting cavity, and the first bearings are installed at both ends of the worm mounting cavity, and the worm is located between the first bearings on both sides; the first pressure plate is attached to the end of the ink-stringing roller and is tightened by screws, and the first pressure plate, the inner ring of the first bearing at the left end, the worm, the inner ring of the first bearing at the right end, the ring sleeve, the inner ring of the bearing, and the ink-stringing roller are against each other; the outer ring of the first bearing is fixed to the worm mounting cavity.

[0008] As a further improvement of the present invention, the lower part of the shell is a worm gear mounting cavity, second bearings are installed at both ends of the worm gear mounting cavity, and the worm gear is located between the second bearings on both sides; the second pressure plate is installed at the end of the main shaft body by bolts, the second pressure plate is against the inner ring of the second bearing at the left end, a spacer sleeve is provided between the inner ring of the second bearing and the worm gear, and the inner ring of the second bearing at the right end is in contact with the shoulder of the main shaft body.

[0009] As a further improvement of the present invention, the eccentric body is rotatably connected to the first end of the connecting plate through a third bearing, and the number of the third bearings is; a first connecting hole is provided at the first end of the connecting plate, the outer ring of the third bearing is fixed in the first connecting hole, the inner ring of the third bearing is fixedly sleeved on the periphery of the eccentric body, and a washer is installed at the end of the eccentric body through a bolt, the washer presses against the inner ring of the third bearing at the right end, and the inner ring of the third bearing at the left end contacts with the shoulder of the eccentric body.

[0010] As a further improvement of the present invention, a second connecting hole is provided at the first end of the connecting plate, the second connecting hole is connected to one end of the hinge shaft through a fourth bearing, and the other end of the hinge shaft is installed in the fixing seat.

[0011] As a further improvement of the present invention, the bearing seat is placed in the wall panel hole through a third pressure plate and screws.

[0012] As a further improvement of the present invention, the fixing base is fixed to the wall panel by screws.

[0013] The positive effects of this application are: The invention has a simpler structure, is more convenient to operate, has high printing efficiency and printing quality, has a low scrap rate, and has a lower implementation cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention.

[0015] Figure 2 for Figure 1 AA section view in.

[0016] Figure 3 for Figure 1 M-direction view in .

[0017] Figure 1-Figure 3 It includes a worm gear 4, an eccentric shaft 5, a main shaft body 5-1, an eccentric shaft body 5-2, a worm 11, a housing 12, a bearing seat 20, an ink roller 22, etc. DETAILED DESCRIPTION

[0018] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0019] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is only a part of the embodiment 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 work should fall within the scope of protection of the present invention.

[0020] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to describe the embodiments of the present invention described herein. In addition, similar terms such as "including" and "having" mean that in addition to those contents already listed in "including" and "having", other contents that have not been listed may also be "included" and "having"; for example, a process, method, system, product or device that may include a series of steps or units is not necessarily limited to those steps or units that have been clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0021] Due to the angle of the drawing, some components may not be drawn, but their positions and connection relationships can be partially understood based on the text expression.

[0022] like Figure 1 As shown, the present invention is a structure of an ink roller stringing device for a printing press, comprising a fixed bearing seat 20, in which an ink roller 22 is movably installed, the ink roller 22 is connected to a gear 14 and a worm 11 respectively through keys, the worm 11 is rotatably installed on the upper part of a housing 12, and an eccentric shaft 5 is rotatably installed on the lower part of the housing 12, the eccentric shaft 5 comprises a main shaft body 5-1 and an eccentric body 5-2, the main shaft body 5-1 is connected to a worm gear 4 through a key, the worm gear 4 is meshed with the worm 11, the eccentric body 5-2 extends out of the housing 12 and is rotatably connected to one end of a connecting plate 6, and the other end of the connecting plate 6 is hinged to a fixed seat 24.

[0023] The ink roller 22 rotates and moves in the bearing seat 20. Two pairs of bearings 17 are installed in the bearing seat 20. The outer ring of the left end bearing 17 abuts against the retaining ring, and the outer ring of the right end bearing 17 abuts against the inner wall boss of the bearing seat 20. A spacer 19 is installed between the outer rings of the left and right end bearings 17. The inner ring 17-1 of the bearing is fixedly sleeved on the outer periphery of the ink roller 22.

[0024] The bearing 17 is a cylindrical roller bearing, which can bear radial force and a small amount of axial force.

[0025] The upper part of the housing 12 is a worm mounting cavity, and the first bearings are installed at both ends of the worm mounting cavity, and the worm 11 is located between the first bearings on both sides. The first pressing plate 1-1 is attached to the end of the ink roller 22 and is tightened by screws. The first pressing plate 1-1, the inner ring of the first bearing at the left end, the worm 11, the inner ring of the first bearing at the right end, the ring sleeve 13, the inner ring of the bearing 17-1, and the ink roller 22 are against each other; the outer ring of the first bearing is fixed to the worm mounting cavity.

[0026] like Figure 2As shown, the lower part of the housing 12 is a worm gear installation cavity, and the second bearings are installed at both ends of the worm gear installation cavity, and the worm gear 4 is located between the second bearings on both sides. The second pressing plate 1-2 is installed at the end of the main shaft body 5-1 through bolts, and the second pressing plate 1-2 is against the inner ring of the second bearing at the left end. A spacer sleeve 3 is provided between the inner ring of the second bearing and the worm gear 4, and the inner ring of the second bearing at the right end is in contact with the shoulder of the main shaft body 5-1.

[0027] The eccentric body 5-2 is rotatably connected to the first end of the connecting plate 6 through the third bearing, and the number of the third bearings is 2. The first end of the connecting plate 6 is provided with a first connecting hole, the outer ring of the third bearing is fixed in the first connecting hole, the inner ring of the third bearing is fixedly sleeved on the outer periphery of the eccentric body 5-2, and the end of the eccentric body 5-2 is provided with a washer 9 through a bolt, the washer 9 is against the inner ring of the third bearing at the right end, and the inner ring of the third bearing at the left end is in contact with the shaft shoulder of the eccentric body 5-2.

[0028] A second connecting hole is provided at the first end of the connecting plate 6 . The second connecting hole is connected to one end of the hinge shaft 23 via a fourth bearing. The other end of the hinge shaft 23 is installed in the fixing seat 24 .

[0029] The bearing seat 20 is placed in the hole of the wall panel through the third pressing plate 15 and screws, and the fixing seat 24 is fixed to the wall panel through screws.

[0030] The working process of the present invention is as follows: The gear 14 is driven by the gear drive mechanism to drive the worm 11 and the ink roller 22 to rotate, and the worm 11 drives the worm wheel 4 to rotate, and the main shaft body 5-1 is connected to the worm wheel 4 through a key, and the fixed seat 24 is fixed to the wall panel. In this way, when the eccentric shaft 5 rotates, the main shaft body 5-1 and the eccentric body 5-2 rotate around the axis of the main shaft body 5-1. Figure 3 As shown, the fixed seat 24 reacts the driving force transmitted from the gear 14 to the housing 12 through the eccentric shaft 5 and the second bearing, and the driving housing 12 drives the ink roller 22 to move left and right through the first bearing.

[0031] The eccentric shaft 5 rotates one circle, that is, the eccentric body 5-2 rotates one circle around the main shaft body 5-1, and the ink roller 22 completes one left and right movement.

[0032] It is to be understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those of ordinary skill in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A printing press ink roller stringing device structure, characterized in that: The invention comprises a bearing seat (20), wherein an ink roller (22) is movably mounted in the bearing seat (20), the ink roller (22) is connected to a gear (14) and a worm (11) respectively via a key, the worm (11) is rotatably mounted on the upper part of a housing (12), an eccentric shaft (5) is rotatably mounted on the lower part of the housing (12), the eccentric shaft (5) comprises a main shaft body (5-1) and an eccentric shaft body (5-2), the main shaft body (5-1) is connected to a worm wheel (4) via a key, the worm wheel (4) is meshed with the worm (11), the eccentric shaft body (5-2) extends out of the housing (12) and is rotatably connected to one end of a connecting plate (6), and the other end of the connecting plate (6) is hinged to a fixed seat (24).

2. The structure of the ink roller stringing device of the printing press as claimed in claim 1, characterized in that: The ink roller (22) rotates and moves in the bearing seat (20).

3. The structure of the ink roller stringing device of the printing press as claimed in claim 2, characterized in that: Two pairs of bearings (17) are installed in the bearing seat (20), the outer ring of the left end bearing (17) abuts against the retaining ring, the outer ring of the right end bearing (17) abuts against the inner wall boss of the bearing seat (20), and a spacer (19) is installed between the outer rings of the left and right end bearings (17); the inner ring (17-1) of the bearing is fixedly sleeved on the outer periphery of the ink stringing roller (22).

4. The structure of the ink roller stringing device of a printing press as claimed in claim 1, characterized in that: The upper part of the housing (12) is a worm mounting cavity, and first bearings are mounted at both ends of the worm mounting cavity. The worm (11) is located between the first bearings on both sides. A first pressing plate (1-1) is attached to the end of the ink-threading roller (22) and is tightened by screws. The first pressing plate (1-1), the inner ring of the first bearing at the left end, the worm (11), the inner ring of the first bearing at the right end, the ring sleeve (13), the inner ring of the bearing (17-1), and the ink-threading roller (22) are in contact with each other. The outer ring of the first bearing is fixed to the worm mounting cavity.

5. The structure of the ink roller stringing device of a printing press as claimed in claim 1, characterized in that: The lower part of the housing (12) is a worm gear installation cavity, and second bearings are installed at both ends of the worm gear installation cavity. The worm gear (4) is located between the second bearings on both sides. The second pressure plate (1-2) is installed at the end of the main shaft body (5-1) by bolts, and the second pressure plate (1-2) is pressed against the inner ring of the second bearing at the left end. A spacer sleeve (3) is provided between the inner ring of the second bearing and the worm gear (4), and the inner ring of the second bearing at the right end is in shoulder contact with the main shaft body (5-1).

6. The structure of the ink roller stringing device of a printing press as claimed in claim 1, characterized in that: The eccentric body (5-2) is rotatably connected to the first end of the connecting plate (6) via a third bearing, and the number of the third bearings is (2); a first connecting hole is provided at the first end of the connecting plate (6), an outer ring of the third bearing is fixed in the first connecting hole, an inner ring of the third bearing is fixedly sleeved on the outer periphery of the eccentric body (5-2), a washer (9) is installed at the end of the eccentric body (5-2) via a bolt, the washer (9) abuts against the inner ring of the third bearing at the right end, and the inner ring of the third bearing at the left end contacts the shaft shoulder of the eccentric body (5-2).

7. The structure of the ink roller stringing device of a printing press as claimed in claim 1, characterized in that: A second connecting hole is provided at the first end of the connecting plate (6), the second connecting hole being connected to one end of the hinge shaft (23) via a fourth bearing, and the other end of the hinge shaft (23) being mounted in the fixing seat (24).

8. The structure of the ink roller stringing device of a printing press as claimed in claim 1, characterized in that: The bearing seat (20) is placed in the wall plate hole through the third pressing plate (15) and screws.

9. The structure of the ink roller stringing device of a printing press as claimed in claim 1, characterized in that: The fixing seat (24) is fixed to the wall plate by screws.

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