Ink pouring device of offset printing machine

Abstract

The utility model relates to the technical field of printing machines, and discloses an ink pouring device of an offset printing machine, which comprises a printing ink box, an ink pouring frame is arranged at the bottom of the printing ink box, a filter frame with one end extending to the top of the filter frame is arranged on the inner top wall of the ink pouring frame, and an ink feeding pipe with one end communicated with the inner top wall of the filter frame is arranged on the inner bottom wall of the printing ink box. A filtering assembly with one end extending to the right side and fixedly connected with the right side wall is arranged on the left side of the inner wall of the filtering frame. According to the ink pouring device of the offset printing machine, by arranging the liquid level alarm assembly, when the liquid level of ink in the ink box is too low, a floating plate moves downwards along with the liquid level at the moment, a vertical rod drives a pressing plate to move downwards to make contact with a pressing switch, and a complete closed circuit is formed through cooperation of the pressing switch, a charging power source, a wire and an alarm lamp; therefore, the alarm lamp flickers to give an alarm to remind a worker to add ink, the purpose that the liquid level can be found in time when the liquid level is too low is achieved, the practicability of the device is improved, and the worker can use the device conveniently.

Description

Technical Field

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

[0002] Offset printing is a type of lithography. Simply put, offset printing is a printing method that uses rubber (rubber cloth) to transfer the image and text on the printing plate to the substrate. It is because of the existence of the rubber cloth that this printing method got its name.

[0003] At present, the ink pouring device of the traditional offset printing machine still has some defects when in use. For example, the ink box is designed to be sealed. When the liquid level is too low, the staff cannot observe it in time, so it is impossible to add ink in time, affecting the use of the device. At the same time, the existing ink pouring device is not convenient for quickly disassembling the filter plate, affecting the working efficiency of the device. Therefore, an ink pouring device of an offset printing machine is proposed to solve the above-mentioned technical problems. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides an ink pouring device for an offset printing press, which has the advantages of being able to be discovered in time when the liquid level is too low and being convenient for quick disassembly of the filter plate, etc., and solves some defects that still exist in the current traditional ink pouring device of the offset printing press during use. For example, the ink tank is designed to be sealed, and the staff cannot observe in time when the liquid level is too low, so it is impossible to add ink in time, which affects the use of the device. At the same time, the existing ink pouring device is not convenient for quick disassembly of the filter plate, which affects the working efficiency of the device.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose that when the liquid level is too low, it can be discovered in time and the filter plate can be quickly disassembled, the utility model provides the following technical solutions: an ink pouring device of an offset printing press, comprising an ink box, an ink pouring frame is arranged at the bottom of the ink box, a filter frame with one end extending to the top thereof is arranged on the inner top wall of the ink pouring frame, an ink delivery tube with one end communicating with the inner top wall of the filter frame is arranged on the inner bottom wall of the ink box, a filter assembly with one end extending to the right side thereof and fixedly connected to the right side wall thereof is arranged on the left side of the inner wall of the filter frame, the filter assembly is tightly fitted with the front and rear sides of the inner wall of the filter frame, a limiting column is fixedly connected to the top of the ink box, and a liquid level alarm assembly with one end extending to the top thereof and slidably connected to the front side wall of the limiting column is arranged inside the ink box;

[0008] The filter assembly comprises a filter plate, the right side wall of the filter frame is provided with a filter plate with one end extending to the inside and clamped with the left side of its inner wall, the front and rear side walls of the filter plate are respectively tightly fitted with the front and rear sides of the inner wall of the filter frame, the right side wall of the filter frame is provided with two clamping plates symmetrically distributed up and down, the right side wall of the filter plate is provided with a clamping frame located between the two clamping plates, the left side of the inner wall of the clamping frame is provided with a pressing plate with one end extending to the right side thereof, the number of the pressing plates is two and they are symmetrically distributed up and down, the opposite sides of the upper and lower pressing plates are provided with clamping shafts, the opposite sides of the upper and lower clamping shafts extend to the opposite sides of the upper and lower clamping plates respectively, and a compression spring is provided between the upper and lower pressing plates;

[0009] The liquid level alarm assembly includes a float plate, the inner wall of the ink box is provided with a float plate, two rectangular holes are provided inside the float plate and are symmetrically distributed on the left and right, a float bag is provided between the front and rear sides of the inner walls of the two rectangular holes, a vertical rod with one end extending to the top of the ink box is provided on the top of the float plate, a crimping plate slidably connected to the front side wall of the limit column is provided on the top of the ink box, a crimping switch is provided on the top of the ink box, an alarm light is provided on the top of the ink box and is located on the right side of the crimping switch, and a charging power supply is provided on the top of the ink box and is located on the right side of the alarm light.

[0010] Preferably, a plurality of ink leakage holes are provided on the inner bottom wall of the ink pouring frame.

[0011] Preferably, a filling pipe having one end extending into the interior of the ink box is fixedly connected to the top of the ink box, and the outsides of the filling pipe and the ink delivery pipe are fixedly connected to electromagnetic valves.

[0012] Preferably, the two clamping plates are each provided with a clamping through hole matched with the clamping shaft.

[0013] Preferably, the crimping switch, the warning light and the charging power supply are all connected by wires, and a charging port is provided on the rear side wall of the charging power supply.

[0014] Preferably, the interior of the snap-fit ​​frame is hollow and the right side wall thereof is designed to be open.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides an ink pouring device for an offset printing press, which has the following beneficial effects:

[0017] 1. The ink pouring device of the offset printing machine is provided with a liquid level alarm component. When the ink level in the ink tank is too low, the floating plate moves down with the liquid level, so that the vertical rod drives the crimping plate to move down and contact the crimping switch. The crimping switch, the charging power supply, the wire and the alarm light cooperate to form a complete closed circuit. Therefore, the alarm light flashes to warn the staff to add ink, thereby achieving the purpose of timely detection when the liquid level is too low, thereby improving the practicality of the device.

[0018] 2. The inking device of the offset printing machine is provided with a filter assembly. When the filter plate needs to be disassembled, the upper and lower pressing plates are pressed in cooperation with the compression spring, so that the upper and lower clamping shafts move relatively until the two clamping shafts are respectively moved out of the clamping through holes inside the two clamping plates, and finally the filter plate is pulled to the right to be pulled out of the filter frame, thereby achieving the purpose of facilitating the rapid disassembly of the filter plate and further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view cross-sectional schematic diagram of the utility model;

[0020] Figure 2 For this utility model Figure 1 Enlarged schematic diagram at point A in the middle.

[0021] In the figure: 1. ink box; 2. ink pouring frame; 3. filter frame; 4. ink delivery tube; 5. filter assembly; 51. filter plate; 52. snap-in plate; 53. snap-in frame; 54. pressing plate; 55. snap-in shaft; 56. compression spring; 6. limit column; 7. liquid level alarm assembly; 71. float plate; 72. rectangular hole; 73. float bag; 74. vertical rod; 75. crimping plate; 76. crimping switch; 77. charging power supply; 78. alarm light. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-2, an ink pouring device of an offset printing press, comprising an ink box 1, an ink pouring frame 2 is fixedly connected to the bottom of the ink box 1, a number of ink leakage holes are opened on the inner bottom wall of the ink pouring frame 2, the inner top wall of the ink pouring frame 2 is connected to a filter frame 3 with one end extending to the top thereof, the inner bottom wall of the ink box 1 is connected to an ink delivery tube 4 with one end connected to the inner top wall of the filter frame 3, a filling pipe with one end extending to the inside thereof is fixedly connected to the top of the ink box 1, and a solenoid valve is fixedly connected to the outside of the filling pipe and the ink delivery tube 4, a filter assembly 5 with one end extending to the right side and fixedly connected to the right side wall of the filter frame 3 is movably connected to the left side of the inner wall of the filter frame 3, the filter assembly 5 is tightly fitted to the front and rear sides of the inner wall of the filter frame 3, the filter assembly 5 comprises a filter plate 51, the right side wall of the filter frame 3 is movably connected to the filter plate 51 with one end extending to the inside thereof and clamped to the left side of the inner wall, the filter plate 51 The front and rear side walls are tightly fitted with the front and rear sides of the inner wall of the filter frame 3 respectively. The right side wall of the filter frame 3 is fixedly connected with two clamping plates 52 which are symmetrically distributed up and down. The right side wall of the filter plate 51 is fixedly connected with a clamping frame 53 located between the two clamping plates 52. The interior of the clamping frame 53 is hollow and its right side wall is designed to be open. The left side of the inner wall of the clamping frame 53 is slidably connected with a pressing plate 54 with one end extending to the right side thereof. There are two pressing plates 54 which are symmetrically distributed up and down. The opposite sides of the upper and lower pressing plates 54 are fixedly connected with clamping shafts 55. The interiors of the two clamping plates 52 are provided with clamping through holes adapted to the clamping shafts 55. The opposite sides of the upper and lower clamping shafts 55 extend to the opposite sides of the upper and lower clamping plates 52 respectively. A compression spring 56 is fixedly connected between the upper and lower pressing plates 54.

[0024] The top of the ink box 1 is fixedly connected to the limiting column 6, and the inside of the ink box 1 is movably connected with a liquid level alarm component 7 having one end extending to the top thereof and slidably connected to the front side wall of the limiting column 6. The liquid level alarm component 7 includes a floating plate 71, and the inner wall of the ink box 1 is slidably connected with the floating plate 71. Two rectangular holes 72 are opened inside the floating plate 71 and are symmetrically distributed on the left and right. Float bags 73 are fixedly connected between the front and rear sides of the inner walls of the two rectangular holes 72. The top of the floating plate 71 is fixedly connected to a vertical rod 74 having one end extending to the top of the ink box 1, and the top of the vertical rod 74 is fixedly connected to a crimping plate 75 slidably connected to the front side wall of the limiting column 6. The top of the ink box 1 is fixedly connected to a crimping switch 76, and the top of the ink box 1 is fixedly connected to an alarm light 78 located on the right side of the crimping switch 76. The top of the ink box 1 is fixedly connected to a charging power supply 77 located on the right side of the alarm light 78. The crimping switch 76, the alarm light 78 and the charging power supply 77 are all connected by wires, and a charging port is provided on the rear side wall of the charging power supply 77.

[0025] During use, when the ink level inside the ink box 1 is too low, the float plate 71 moves down with the liquid level, causing the vertical rod 74 to drive the crimping plate 75 to move down and contact the crimping switch 76. The crimping switch 76, the charging power supply 77, the wire and the alarm light 78 cooperate to form a complete closed circuit, so the alarm light 78 flashes to alert the staff to add ink.

[0026] It is worth noting that the crimping switch 76, charging power supply 77 and alarm light 78 appearing in the present application document are all conventionally known devices. The standard parts used in the present application document can be purchased from the market. The specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art. In addition, the machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art. The contents not described in detail in the description belong to the prior art known to professional and technical personnel in this field and will not be described in detail here.

[0027] In summary, the ink pouring device of the offset printing machine is provided with a liquid level alarm component 7. When the ink level in the ink box 1 is too low, the floating plate 71 moves down with the liquid level, so that the vertical rod 74 drives the crimping plate 75 to move down and contact the crimping switch 76. The crimping switch 76, the charging power supply 77, the wire and the alarm light 78 cooperate to form a complete closed circuit. Therefore, the alarm light 78 flashes to alarm, reminding the staff to add ink, thereby achieving the purpose of being able to detect when the liquid level is too low in time, thereby improving the practicality of the device. By providing a filter component 5, when it is necessary to disassemble the filter plate 51, the upper and lower pressing plates 54 are pressed in the arrangement of the compression spring 56. When used together, the upper and lower clamping shafts 55 move relative to each other until the two clamping shafts 55 are respectively moved out of the clamping through holes inside the two clamping plates, and finally the filter plate 51 is pulled to the right to be pulled out of the filter frame 3, thereby achieving the purpose of facilitating the rapid disassembly of the filter plate 51, further improving the practicality of the device, and solving some defects of the current traditional ink pouring device of the offset printing machine during use. For example, the ink box is designed to be sealed, and when the liquid level is too low, the staff cannot observe it in time, so it is impossible to add ink in time, affecting the use of the device. At the same time, the existing ink pouring device is not convenient for rapid disassembly of the filter plate, affecting the working efficiency of the device.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ink pouring device for an offset printing press, comprising an ink tank (1), characterized in that: The bottom of the ink box (1) is provided with an ink pouring frame (2), the inner top wall of the ink pouring frame (2) is provided with a filter frame (3) with one end extending to the top thereof, the inner bottom wall of the ink box (1) is provided with an ink delivery tube (4) with one end communicating with the inner top wall of the filter frame (3), the left side of the inner wall of the filter frame (3) is provided with a filter assembly (5) with one end extending to the right side thereof and fixedly connected to the right side wall thereof, the filter assembly (5) is tightly fitted with the front and rear sides of the inner wall of the filter frame (3), the top of the ink box (1) is fixedly connected with a limiting column (6), and the interior of the ink box (1) is provided with a liquid level alarm assembly (7) with one end extending to the top thereof and slidably connected to the front side wall of the limiting column (6); The filter assembly (5) comprises a filter plate (51); the right side wall of the filter frame (3) is provided with a filter plate (51) having one end extending into the interior thereof and clamped with the left side of the inner wall thereof; the front and rear side walls of the filter plate (51) are respectively tightly fitted with the front and rear sides of the inner wall of the filter frame (3); the right side wall of the filter frame (3) is provided with two clamping plates (52) symmetrically distributed up and down; the right side wall of the filter plate (51) is provided with a clamping plate (52) located between the two clamping plates (52); A frame (53), a pressing plate (54) with one end extending to the right side thereof is arranged on the left side of the inner wall of the clamping frame (53), the pressing plates (54) are two in number and are symmetrically distributed up and down, the opposite sides of the upper and lower pressing plates (54) are both provided with clamping shafts (55), the opposite sides of the upper and lower clamping shafts (55) respectively extend to the opposite sides of the upper and lower clamping plates (52), and a compression spring (56) is arranged between the upper and lower pressing plates (54); The liquid level alarm component (7) comprises a floating plate (71), the inner wall of the ink box (1) is provided with the floating plate (71), two rectangular holes (72) are provided inside the floating plate (71) and are symmetrically distributed on the left and right, a floating ball bag (73) is provided between the front and rear sides of the inner walls of the two rectangular holes (72), a vertical rod (74) with one end extending to the top of the ink box (1) is provided on the top of the floating plate (71), a crimping plate (75) slidably connected to the front side wall of the limit column (6) is provided on the top of the ink box (1), a crimping switch (76) is provided on the top of the ink box (1), an alarm light (78) is provided on the top of the ink box (1) and is located on the right side of the crimping switch (76), and a charging power supply (77) is provided on the top of the ink box (1) and is located on the right side of the alarm light (78).

2. The ink pouring device of an offset printing press according to claim 1, characterized in that: The inner bottom wall of the ink pouring frame (2) is provided with a plurality of ink leakage holes.

3. The ink pouring device of an offset printing press according to claim 1, characterized in that: The top of the ink box (1) is fixedly connected to a filling pipe with one end extending into the interior thereof, and the outsides of the filling pipe and the ink delivery pipe (4) are both fixedly connected to electromagnetic valves.

4. The ink pouring device of an offset printing press according to claim 1, characterized in that: The insides of the two clamping plates (52) are both provided with clamping through holes matched with the clamping shaft (55).

5. The ink pouring device of an offset printing press according to claim 1, characterized in that: The crimping switch (76), the warning light (78) and the charging power source (77) are all connected via wires, and a charging port is provided on the rear side wall of the charging power source (77).

6. The ink pouring device of an offset printing press according to claim 1, characterized in that: The interior of the clamping frame (53) is hollow and the right side wall thereof is designed to be open.

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