Ink distributing device of offset press

Abstract

The utility model discloses an ink distributing device of an offset press, and aims to provide the ink distributing device of the offset press, which is good in ink distributing effect and good in use effect of the offset press. Comprising a mounting rack, two rotatable ink feeding rollers are arranged on the mounting rack, a driving set is mounted on the mounting rack, the driving set is connected with an ink supply box, an ink supply hole is formed in the bottom end of the ink supply box and faces the position between the two ink feeding rollers, an ink distributing brush is arranged at the bottom of the ink supply box, and the ink distributing brush is connected with the driving set. A cleaning brush capable of moving in the vertical direction is arranged on the side wall of the ink supply box. The beneficial effects of the utility model are that the ink uniformity during ink feeding is improved, and the ink distributing effect is ensured; meanwhile, after ink feeding is completed, the arranged cleaning brush and the arranged cleaning shovel can complete cleaning operation under the action of the driving set, and then the using effect of the device can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to offset printing machines, in particular to an ink uniforming device for an offset printing machine. Background Art

[0002] An offset printing press is a type of lithographic printing press that prints based on the principle that oil and water do not mix. An offset printing press generally consists of three main structures: a paper feed section, a printing section, and a paper delivery section. The printing section is the core component of the offset printing press. The ink distribution device in the printing section is responsible for evenly coating the ink on the ink feed roller to complete the subsequent printing process. To ensure uniformity of the ink as it enters the ink feed roller, the existing method of distributing the ink is to use a manual brush. This is inconvenient and results in poor distributing effect, resulting in poor performance of the offset printing press. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art offset printing presses, such as poor ink uniformity and poor use effect, and provides an offset printing press ink uniformity device with good ink uniformity and good use effect.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: an ink uniforming device of an offset printing machine, comprising a mounting frame, two rotatable ink feed rollers are provided on the mounting frame, a drive group is installed on the mounting frame, the drive group is connected to an ink supply cartridge, an ink supply hole is provided at the bottom end of the ink supply cartridge, the ink supply hole faces between the two ink feed rollers, an ink uniforming brush is provided at the bottom of the ink supply cartridge, and a cleaning brush that can move vertically is provided on the side wall of the ink supply cartridge.

[0005] The ink distribution device is provided with a mounting frame, on which two ink feed rollers are mounted. The ink feed rollers are arranged in parallel to ensure that the ink entering between the ink feed rollers is squeezed, thereby achieving the effect of uniform ink distribution. At the same time, a drive group is installed on the top of the mounting frame, and the drive group is connected to an ink supply cartridge. The bottom of the ink supply cartridge is provided with an ink supply hole. The ink supply hole faces the gap between the two parallel ink feed rollers. In conjunction with the setting of the drive group, the drive group can drive the ink supply cartridge to move back and forth along the axial direction of the ink feed roller, thereby ensuring that the ink, after passing through the ink feed roller, is evenly adhered to the ink feed roller and continues to deliver ink to the subsequent printing components. An ink distribution brush is provided at the bottom of the ink supply cartridge. When the ink supply cartridge moves horizontally, the provided ink distribution brush can brush the ink on the ink feed roller evenly, ensuring that the ink is evenly adhered to the ink feed roller, thereby improving the performance of the ink distribution device. At the same time, a cleaning brush is provided on the side wall of the ink supply box, which can move in the vertical direction. When supplying ink, the cleaning brush is lifted upward and the cleaning brush is separated from the ink feed roller. After the ink supply operation is completed, when the ink feed roller needs to be cleaned, the cleaning brush is moved down so that it contacts the ink feed roller, thereby realizing the cleaning operation of the ink feed roller and ensuring the use effect of the device.

[0006] Preferably, a rotating shaft is provided at each end of the ink feed roller, the rotating shaft being rotatably connected to the mounting frame, a gear set being connected to the outer side of the rotating shaft, a mounting plate being provided on the outer side wall of the mounting frame, the mounting plate being connected to a rotating motor, and the rotating motor being connected to a gear in the gear set. A rotating shaft is provided at each end of the ink feed roller, the mounting frame being provided with an axial hole for mounting the ink feed roller, the rotating shaft being inserted into the axial hole provided on the mounting frame to ensure stable rotation of the ink feed shaft, a gear set being installed on the outer side of the rotating shaft, connecting the rotating shafts of the two ink feed rollers via the gear set, and a mounting plate being installed and connected to the mounting frame, the rotating motor mounted on the mounting plate being connected to the gear set, and the rotation of the ink feed roller is driven by the rotating motor to ensure the roller pressure and ink uniformity effect.

[0007] Preferably, the drive group includes a drive motor, a drive screw and a screw nut block, wherein the drive motor is mounted on the outside of the mounting frame, the drive screw is rotatably mounted on the top of the mounting frame, the drive screw is connected to the drive motor, the screw nut block is sleeved with the drive screw, and the screw nut block is connected to the top of the ink supply cartridge. The drive group includes a drive motor, a drive screw and a screw nut block, wherein the drive motor is mounted on the mounting frame, the drive screw is connected to the drive motor, and at the same time, the screw nut block is sleeved with the drive screw, and the screw nut block is connected to the top of the ink supply cartridge. The rotation of the drive motor can drive the drive screw to rotate, and then drive the ink supply cartridge to move axially, thereby achieving uniform ink delivery to the ink feed roller, ensuring that the ink is evenly distributed on the ink feed roller, and improving the use effect.

[0008] Preferably, the bottom of the ink supply cartridge is pointed, the outer side wall of the lower bottom of the ink supply cartridge is an arc-shaped surface, the outer side wall of the lower bottom of the ink supply cartridge has the same curvature as the ink feed roller, the outer side wall of the lower bottom of the ink supply cartridge is provided with a brush groove, and the ink distribution brush is installed in the brush groove. The bottom of the ink supply cartridge is a pointed structure, and the side wall of the lower portion of the ink supply cartridge is an arc-shaped structure. At the same time, a brush groove is provided in the arc surface of the structure, and the ink distribution brush is installed in the brush groove. The arc structure can contact the arc surface of the ink feed roller, and at the same time, cooperate with the drive assembly to drive the ink supply cartridge to reciprocate along the axial direction, so as to ensure that the ink distribution brush provided on the ink supply cartridge can evenly brush the ink on the ink feed roller, thereby ensuring its ink distribution effect.

[0009] As preferred, the two outer side walls of the mounting rack are respectively provided with telescopic rods, the lower ends of the telescopic rods are provided with mounting blocks, the mounting blocks are V-shaped, the outer side wall curvature of the mounting blocks is same as that of the ink feeding roller, and the cleaning brush is mounted on the outer side wall of the mounting block. The telescopic rods are mounted on the two side walls of the mounting rack respectively, the telescopic function of the telescopic rods can drive the mounting block to move in the vertical direction, the contact state of the cleaning brush on the mounting block with the ink feeding roller is realized, in the ink feeding state, the telescopic rods drive the mounting block to move upwards, so that the cleaning brush is away from the ink feeding roller, after the ink feeding is completed, the telescopic rods drive the mounting block to move downwards, so that the cleaning brush is close to the ink feeding roller, the driving group drives the ink feeding box to move, and the cleaning of the ink feeding roller is completed, thereby the use effect is ensured.

[0010] As preferred, the outer side wall of the mounting block is provided with a cleaning shovel at the bottom, and the curvature of the cleaning shovel is same as that of the outer side wall of the mounting block. The cleaning shovel arranged on the outer side wall of the mounting block is same as the curvature of the outer side wall of the mounting block, so that the cleaning shovel is close to the ink feeding roller, the cleaning effect is ensured, and the use effect of the device is improved.

[0011] The utility model discloses the beneficial effect is: improve the ink uniformity when feeding, guarantee the even ink effect, and simultaneously, after completing feeding, the cleaning brush and cleaning shovel arranged can complete cleaning operation under the action of the driving group, and then the use effect of the device can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the utility model perspective view;

[0013] Figure 2 It is the utility model main view of ink feeding roller;

[0014] Figure 3 It is the utility model perspective view of ink feeding box.

[0015] In the drawings, 1. mounting rack, 2. ink feeding roller, 3. driving group, 4. ink feeding box, 5. ink feeding hole, 6. even ink brush, 7. cleaning brush, 10. mounting plate, 11. rotating motor, 12. telescopic rod, 13. mounting block, 14. cleaning shovel, 20. rotating shaft, 21. gear set, 30. driving motor, 31. driving screw rod, 32. screw rod nut block, 40. brush groove. DETAILED DESCRIPTION

[0016] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. Obviously, the embodiments described are only some of the embodiments of this application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is in no way intended to limit the present application, its application, or use. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of this application.

[0017] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0018] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0019] Example 1, as Figure 1-3 As shown, an ink uniforming device of an offset printing press includes a mounting frame 1, two rotatable ink feed rollers 2 are provided on the mounting frame 1, a driving group 3 is installed on the mounting frame 1, the driving group 3 is connected to an ink supply cartridge 4, an ink supply hole 5 is provided at the bottom end of the ink supply cartridge 4, the ink supply hole 5 is facing between the two ink feed rollers 2, an ink uniforming brush 6 is provided at the bottom of the ink supply cartridge 4, and a cleaning brush 7 that can move vertically is provided on the side wall of the ink supply cartridge 4.

[0020] A rotating shaft 20 is provided at both ends of the ink feed roller 2, and the rotating shaft 20 is rotatably connected to the mounting frame 1. The outer side of the rotating shaft 20 is connected to a gear set 21. A mounting plate 10 is provided on the outer side wall of the mounting frame 1. The mounting plate 10 is connected to a rotating motor 11, and the rotating motor 11 is connected to a gear in the gear set 21.

[0021] The driving group 3 includes a driving motor 30, a driving screw 31 and a screw nut block 32. The driving motor 30 is installed on the outside of the mounting frame 1, and the driving screw 31 is rotatably installed on the top of the mounting frame 1. The driving screw 31 is connected to the driving motor 30, and the screw nut block 32 is sleeved on the driving screw 31. The screw nut block 32 is connected to the top of the ink supply cartridge 4.

[0022] The bottom of the ink supply box 4 is pointed, and the outer side wall of the lower bottom of the ink supply box 4 is an arc-shaped surface. The outer side wall of the lower bottom of the ink supply box 4 has the same curvature as the ink feed roller 2. The outer side wall of the lower bottom of the ink supply box 4 is provided with a brush groove 40, and the ink uniforming brush 6 is installed in the brush groove 40.

[0023] The two outer side walls of the mounting frame 1 are respectively installed with telescopic rods 12, and the lower end of the telescopic rods 12 is installed with a mounting block 13. The mounting block 13 is V-shaped, and the curvature of the outer side wall of the mounting block 13 is the same as that of the ink feed roller 2. The cleaning brush 7 is installed on the outer side wall of the mounting block 13.

[0024] A cleaning shovel 14 is installed at the bottom of the outer side wall of the mounting block 13 , and the curvature of the cleaning shovel 14 is the same as that of the outer side wall of the mounting block 13 .

[0025] The working principle of this utility model is as follows: Figure 1-3 As shown, the present ink distribution device is provided with a mounting frame 1, on which two ink feed rollers 2 are mounted. The ink feed rollers 2 are arranged in parallel to ensure that the ink entering between the ink feed rollers 2 is squeezed, thereby achieving the effect of uniform ink distribution. At the same time, a drive group 3 is installed on the top of the mounting frame 1, and the drive group 3 is connected to the ink supply box 4. The bottom of the ink supply box 4 is provided with an ink supply hole 5. The ink supply hole 5 faces the gap between the two parallel ink feed rollers 2. In conjunction with the setting of the drive group 3, the drive group 3 can drive the ink supply box 4 to move back and forth along the axial direction of the ink feed roller 2, thereby ensuring that the ink, after passing through the ink feed roller 2, is evenly adhered to the ink feed roller 2 and continues to be delivered to the subsequent printing components. An ink distribution brush 6 is provided at the bottom of the ink supply box 4. When the ink supply box 4 moves horizontally, the ink distribution brush 6 can brush the ink on the ink feed roller 2 to ensure that the ink is evenly adhered to the ink feed roller 2, thereby improving the use effect of the ink distribution device. At the same time, a cleaning brush 7 is provided on the side wall of the ink supply box 4, and the cleaning brush 7 can be moved in the vertical direction. When supplying ink, the cleaning brush 7 is lifted upward and the cleaning brush 7 is separated from the ink feed roller 2. After the ink supply operation is completed, when the ink feed roller 2 needs to be cleaned, the cleaning brush 7 is moved downward so that it contacts the ink feed roller 2, thereby realizing the cleaning operation of the ink feed roller 2 and ensuring the use effect of the device.

[0026] A rotating shaft 20 is respectively provided at both ends of the ink feed roller 2, and an axial hole for installing the ink feed roller 2 is provided on the mounting frame 1. The rotating shaft 20 is inserted into the axial hole provided on the mounting frame 1 to ensure that the ink feed shaft can rotate stably. A gear group 21 is installed on the outer side of the rotating shaft 20, and the rotating shafts 20 of the two ink feed rollers 2 are connected by the gear group 21. At the same time, a mounting plate 10 is installed and connected to the mounting frame 1, and a rotating motor 11 installed on the mounting plate 10 is connected to the gear group 21. The rotation of the ink feed roller 2 is driven by the rotating motor 11 to ensure its roller pressing and even ink distribution effect.

[0027] The drive group 3 includes a drive motor 30, a drive screw 31 and a screw nut block 32, wherein the drive motor 30 is installed on the mounting frame 1, the drive screw 31 is connected to the drive motor 30, and at the same time, the screw nut block 32 is sleeved with the drive screw 31, and the screw nut block 32 is connected to the top of the ink supply cartridge 4. The rotation of the drive motor 30 can drive the drive screw 31 to rotate, and then drive the ink supply cartridge 4 to move axially, thereby achieving uniform ink delivery to the ink feed roller 2, ensuring that it realizes ink uniformity operation, ensuring that the ink on the ink feed roller 2 is uniform, and improving the use effect.

[0028] The bottom of the ink supply box 4 is a pointed structure, and the side wall at the lower part of the ink supply box 4 is an arc-shaped structure. At the same time, a brush groove 40 is provided in the arc surface of the structure, and the ink uniforming brush 6 is installed in the brush groove 40. The arc structure can contact the arc surface of the ink feed roller 2. At the same time, it cooperates with the drive group 3 to drive the ink supply box 4 to move back and forth in the axial direction, ensuring that the ink uniforming brush 6 provided on the ink supply box 4 can brush the ink on the ink feed roller 2 evenly, thereby ensuring its ink uniforming effect.

[0029] Telescopic rods 12 are respectively installed on the two side walls of the mounting frame 1. The telescopic function of the telescopic rods 12 can drive the mounting block 13 to move in the vertical direction, so as to control the contact state between the cleaning brush 7 on the mounting block 13 and the ink feed roller 2. When supplying ink, the telescopic rods 12 drive the mounting block 13 to move upward, so that the cleaning brush 7 is away from the ink feed roller 2. After the ink supply and ink feeding is completed, the telescopic rods 12 drive the mounting block 13 to move downward, so that the cleaning brush is close to the ink feed roller 2, and cooperates with the drive group 3 to drive the ink supply box 4 to move, so as to complete the cleaning of the ink feed roller 2 and ensure its use effect.

[0030] The cleaning shovel 14 arranged on the outside of the mounting block 13 has the same curvature as the outer wall of the mounting block 13. This structure can ensure that the cleaning shovel 14 is in close contact with the ink feed roller 2, ensuring its cleaning effect and improving the use effect of the device.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An ink distribution device for an offset printing press, characterized in that: The invention comprises a mounting frame (1), wherein two rotatable ink feed rollers (2) are arranged on the mounting frame (1), a driving group (3) is installed on the mounting frame (1), and the driving group (3) is connected to an ink supply box (4), an ink supply hole (5) is arranged at the bottom end of the ink supply box (4), and the ink supply hole (5) faces between the two ink feed rollers (2), an ink distribution brush (6) is arranged at the bottom of the ink supply box (4), and a cleaning brush (7) that can move vertically is arranged on the side wall of the ink supply box (4).

2. The ink distribution device of an offset printing press according to claim 1, characterized in that: A rotating shaft (20) is provided at each end of the ink feed roller (2), the rotating shaft (20) is rotatably connected to the mounting frame (1), the outer side of the rotating shaft (20) is connected to a gear set (21), the outer side wall of the mounting frame (1) is provided with a mounting plate (10), the mounting plate (10) is connected to a rotating motor (11), and the rotating motor (11) is connected to a gear in the gear set (21).

3. The ink distribution device of an offset printing press according to claim 1, characterized in that: The driving group (3) includes a driving motor (30), a driving screw (31) and a screw nut block (32), wherein the driving motor (30) is mounted on the outside of the mounting frame (1), the driving screw (31) is rotatably mounted on the top of the mounting frame (1), the driving screw (31) is connected to the driving motor (30), the screw nut block (32) is sleeved with the driving screw (31), and the screw nut block (32) is connected to the top of the ink supply cartridge (4).

4. The ink distribution device of an offset printing press according to claim 1, wherein: The bottom of the ink supply box (4) is pointed, the outer side wall of the lower bottom of the ink supply box (4) is an arc-shaped surface, the outer side wall of the lower bottom of the ink supply box (4) has the same curvature as the ink feed roller (2), and the outer side wall of the lower bottom of the ink supply box (4) is provided with a brush groove (40), and the ink distribution brush (6) is installed in the brush groove (40).

5. The ink distribution device of an offset printing press according to claim 1, characterized in that: The two outer side walls of the mounting frame (1) are respectively mounted with telescopic rods (12), the lower end of the telescopic rods (12) is mounted with a mounting block (13), the mounting block (13) is V-shaped, the curvature of the outer side wall of the mounting block (13) is the same as that of the ink feed roller (2), and the cleaning brush (7) is mounted on the outer side wall of the mounting block (13).

6. The ink distribution device of an offset printing press according to claim 5, characterized in that: A cleaning shovel (14) is installed at the bottom of the outer side wall of the mounting block (13), and the curvature of the cleaning shovel (14) is the same as the curvature of the outer side wall of the mounting block (13).

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