Printing ink filtering device

Abstract

The utility model relates to a printing ink filtering device, which belongs to the technical field of printing ink filtering and comprises a filtering barrel, a fixing plate is fixedly connected in the filtering barrel, a filtering frame is attached to the fixing plate, two sides of the top of the filtering frame are fixedly connected with fixing frames, and the fixing frames are fixedly connected with the filtering barrel. And a cleaning mechanism is mounted at the top of the filter frame. Through cooperative use of the cleaning mechanism, the fixing frame, the connecting plate, the connecting spring and the fixing block, when the cleaning mechanism works, impurities generated by printing ink filtering at the top of the filter frame can be cleaned to the position where the sealing door is located, the cleanliness of the filter frame is guaranteed, and in the cleaning process, the cleaning efficiency is improved. When the cleaning mechanism pushes the fixing frame to drive the filter frame to move so that the connecting spring can be charged, and when the cleaning mechanism is in a state from pushing the fixing frame to releasing pushing of the fixing frame, the filter frame can shake under the action of the connecting spring, so that impurities generated by filtering on the filter frame are in a moving state, and the situation that the filtering efficiency of ink is affected due to blockage of the filter frame is prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of ink filtering, and particularly relates to a printing ink filtering device. BACKGROUND

[0002] Printing ink filtering is an important process aimed at improving printing quality and extending the service life of printing equipment; ink may be contaminated by various impurities such as fibers, solids and semi-solids during production and storage; the presence of these impurities can seriously affect the printing quality, so effective filtering methods are needed to remove them; the following are some common ink filtering methods and technologies: multi-layer screen filter: using multiple layers of screen mesh identical to the printing screen mesh for filtering, the purification of ink is completed by centrifugal force; professional ink filtering equipment: this type of equipment usually combines stirring, defoaming and filtering functions, and can efficiently remove impurities in ink; filter bag with bag filter: using ink filter bag with bag filter, this method is widely used in the ink industry for removing particulate impurities in various inks; small ink filter: especially suitable for the printing industry, such as screen printing, offset printing, etc., designed to remove solid particles, clots or foreign matter in ink; cartridge filter method with folded filter core, stainless steel filter core, etc.: although the filtering flow is small and needs to be replaced frequently, it is still used in some situations; nylon melt-blown filter core: this filter core has the advantages of gradient deep filtration, low pressure loss, high filtration efficiency and high porosity, and is very suitable for the filtration of ink, paint and coating.

[0003] At present, the existing ink filtering device needs to disassemble the filter screen, clean the filter screen, and then install the filter screen to ensure the filtering efficiency of the filter screen after long-term use, and the frequent disassembly of the filter screen will increase the labor burden and affect the use efficiency of the filtering device, based on this, a printing ink filtering device is proposed. SUMMARY

[0004] The utility model discloses a printing ink filtering device with simple structure and reasonable design to solve the above problems.

[0005] The utility model discloses the following technical scheme to realize the above-mentioned purpose:

[0006] A printing ink filtering device, comprising a filter barrel, a fixed plate is fixedly connected in the filter barrel, a filter frame is attached to the fixed plate, fixed frames are fixedly connected to the top of both sides of the filter frame, a connecting plate is fixedly connected to the bottom of the filter frame, a connecting spring is fixedly connected to one side of the connecting plate, a fixed block is fixedly connected to the end of the connecting spring away from the connecting plate, the fixed block is fixedly connected in the filter barrel, the other two sides of the filter frame are attached in the filter barrel, and a cleaning mechanism is installed on the top of the filter frame.

[0007] As a further optimization scheme of the utility model, the cleaning mechanism includes the motor fixedly connected in front of the filter barrel, the output end of the motor is fixedly connected with the rotating shaft, the rotating shaft is threadedly connected with the cleaning plate, the cleaning plate is attached to the top of the filter frame, and the end of the rotating shaft away from the motor is provided with a mixing assembly.

[0008] As a further optimization scheme of the utility model, the cleaning plate is attached to the inner wall of the filter barrel at both ends, and the rotating shaft penetrates through the filter barrel and is rotationally connected with the filter barrel.

[0009] As a further optimization scheme of the utility model, the mixing assembly includes the first transmission wheel fixedly connected to the end of the rotating shaft away from the motor, the inner wall of the filter barrel is rotationally connected with the rotating rod, the end of the rotating rod away from the filter barrel is fixedly connected with the second transmission wheel, the rotating rod is fixedly connected with the stirring blade, and the first transmission wheel and the second transmission wheel are connected through the belt.

[0010] As a further optimization scheme of the utility model, the stirring blade is arranged in the filter barrel, the stirring blade is attached to the filter barrel, and the rotating rod penetrates through the filter barrel and is rotationally connected with the part penetrating through the filter barrel.

[0011] As a further optimization scheme of the utility model, the bottom of the filter barrel is fixedly connected with the supporting leg, the top of the filter barrel is provided with the ink inlet pipe, the bottom of the filter barrel is fixedly connected with the ink outlet pipe, the front and back surfaces of the filter barrel are both provided with the sealing door, and the sealing door is located directly above the fixed plate.

[0012] The utility model discloses the cooperation of cleaning mechanism, fixing frame, connecting plate, connecting spring and fixed block, and the impurity generated in the process of filtering ink on the top of the filter frame is cleaned to the position where the sealing door is located when the cleaning mechanism works, the cleanliness of the filter frame is guaranteed, and when the cleaning mechanism pushes the fixing frame to drive the filter frame to move and make the connecting spring energized, the filter frame will shake under the action of the connecting spring when the cleaning mechanism is pushed from the fixing frame to the state of removing the pushing of the fixing frame, the impurity generated on the filter frame in the filtering process is in the motion state, the filter frame is prevented from being blocked to affect the filtering efficiency of the ink. ACCURATE DRAWINGS

[0013] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is the three-dimensional local section structure schematic diagram of the utility model;

[0015] Figure 3 It is the Figure 2 enlarged structure schematic diagram of A place in the utility model.

[0016] Figure 4 It is the side middle part cut open structure schematic diagram of the utility model.

[0017] In the figure: 1, filter bucket; 2, support leg; 3, ink inlet pipe; 4, ink outlet pipe; 5, sealing door; 6, fixed plate; 7, motor; 8, rotating shaft; 9, cleaning plate; 10, fixed frame; 11, filter frame; 12, connecting plate; 13, connecting spring; 14, fixed block; 15, first transmission wheel; 16, belt; 17, second transmission wheel; 18, rotating rod; 19, stirring blade. DETAILED DESCRIPTION

[0018] The following further describes the present application in detail with reference to the drawings, and it is necessary to point out here that the following detailed description is only used to further illustrate the present application, and cannot be understood as limiting the protection scope of the present application, and the skilled in the art can make some non-essential improvements and adjustments to the present application according to the above application content.

[0019] EMBODIMENT

[0020] As Figures 1-4 shown, a printing ink filtering device includes a filter bucket 1, the bottom of the filter bucket 1 is fixedly connected with a support leg 2, the top of the filter bucket 1 is installed with an ink inlet pipe 3, the bottom of the filter bucket 1 is fixedly connected with an ink outlet pipe 4, an electric control valve is installed in the ink outlet pipe 4, the front and back of the filter bucket 1 are both installed with a sealing door 5, the filter bucket 1 is fixedly connected with a fixed plate 6, the sealing door 5 is located directly above the fixed plate 6, a filter frame 11 is attached to the fixed plate 6, the filter frame 11 will not be separated from the position directly above the fixed plate 6 when moving, the top of the filter frame 11 is fixedly connected with a fixed frame 10 on both sides, the bottom of the filter frame 11 is fixedly connected with a connecting plate 12, one side of the connecting plate 12 is fixedly connected with a connecting spring 13, the end of the connecting spring 13 away from the connecting plate 12 is fixedly connected with a fixed block 14, the fixed block 14 is fixedly connected in the filter bucket 1, the other two sides of the filter frame 11 are attached in the filter bucket 1, the top of the filter frame 11 is installed with a cleaning mechanism, the cleaning mechanism includes a motor 7 fixedly connected in front of the filter bucket 1, the output end of the motor 7 is fixedly connected with a rotating shaft 8, the rotating shaft 8 is threadedly connected with a cleaning plate 9, the thread is a reciprocating thread, the part where the rotating shaft 8 is threadedly connected with the cleaning plate 9 is set as a reciprocating screw rod form, when the cleaning plate 9 returns after reaching the position of the fixed frame 10 and pushing the fixed frame 10, the filter frame 11 shakes, the cleaning plate 9 is attached to the top of the filter frame 11, a mixing assembly is installed at the end of the rotating shaft 8 away from the motor 7, both ends of the cleaning plate 9 are attached to the inner wall of the filter bucket 1, the rotating shaft 8 penetrates through the filter bucket 1 and is rotationally connected with the filter bucket 1.

[0021] In use, first close the electric control valve in the ink discharge pipe 4, and then start the motor 7, the ink can be added through the ink inlet pipe 3, the ink will be filtered by the filter frame 11 after entering the filter barrel 1, the filtered ink enters the mixing assembly, the filtered ink is stirred by the mixing assembly, in the process of filtering the ink by the filter frame 11, the work of the motor 7 will drive the rotating shaft 8 to rotate, and then the cleaning plate 9 slides along the upper surface of the filter frame 11, the impurities generated by the filter frame 11 filtering the ink are pushed away from the top of the filter frame 11, so that the impurities enter the position where the sealing door 5 is located, reach the top of the fixed plate 6, in the process of cleaning by the cleaning plate 9, when the cleaning plate 9 contacts the fixed frame 10, the fixed frame 10 is pushed to drive the filter frame 11 to move to the direction where the sealing door 5 is located, and then the connecting plate 12 and the fixed block 14 make the connecting spring 13 charged, at this time the filter frame 11 will extrude the impurities on the top of the fixed plate 6, so that the oil mixed in the impurities can be discharged, and when the cleaning plate 9 changes from the state of pushing the fixed frame 10 to releasing the pushing force on the fixed frame 10, at this time the filter frame 11 will vibrate under the action of the connecting spring 13, so that the filter frame 11 shakes to filter the ink, which improves the filtering efficiency;

[0022] The cleaning of the filter frame 11 is realized, the cleanliness of the filter frame 11 is ensured, the waste of ink is avoided, the resources are saved, and the blockage of the filter frame 11 is prevented to affect the filtering efficiency of the ink;

[0023] When the impurities generated by filtering need to be treated, the sealing door 5 is opened to treat the impurities generated by filtering, and after the treatment is completed, the sealing door 5 is installed in the filter barrel 1 again.

[0024] As shown in Figure 2 and Figure 4 The mixing assembly comprises a first transmission wheel 15 fixedly connected to the end of the rotating shaft 8 away from the motor 7, the inner wall of the filter barrel 1 is rotationally connected with a rotating rod 18, the end of the rotating rod 18 away from the filter barrel 1 is fixedly connected with a second transmission wheel 17, the rotating rod 18 is fixedly connected with stirring blades 19, the first transmission wheel 15 and the second transmission wheel 17 are connected through a belt 16, the stirring blades 19 are arranged in the filter barrel 1, the stirring blades 19 are attached to the filter barrel 1, and the rotating rod 18 penetrates through the filter barrel 1 and is rotationally connected with the part penetrating through the filter barrel 1.

[0025] In use, the work of the rotating shaft 8 will drive the second transmission wheel 17 to rotate through the first transmission wheel 15 and the belt 16, and then the rotating rod 18 drives the stirring blades 19 to stir the filtered ink, which improves the uniformity of ink mixing, thereby ensuring the quality of subsequent printing;

[0026] After the ink filtering is completed, the electric control valve in the ink discharge pipe 4 is opened, and the filtered ink is discharged into the ink storage box.

[0027] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the scope of the present invention, all of which fall within the scope of protection of the present invention.

Claims

1. A printing ink filtering device, comprising a filter barrel (1), characterized in that: A fixing plate (6) is fixedly connected in the filter barrel (1), a filter frame (11) is attached to the fixing plate (6), both sides of the top of the filter frame (11) are fixedly connected to fixing frames (10), a connecting plate (12) is fixedly connected to the bottom of the filter frame (11), one side of the connecting plate (12) is fixedly connected to a connecting spring (13), an end of the connecting spring (13) away from the connecting plate (12) is fixedly connected to a fixing block (14), the fixing block (14) is fixedly connected in the filter barrel (1), the other two sides of the filter frame (11) are attached to the filter barrel (1), and a cleaning mechanism is installed on the top of the filter frame (11).

2. A printing ink filtering device according to claim 1, characterized in that: The cleaning mechanism comprises a motor (7) fixedly connected to the front of the filter barrel (1); the output end of the motor (7) is fixedly connected to a rotating shaft (8); a cleaning plate (9) is connected to the rotating shaft (8) via a thread; the cleaning plate (9) is attached to the top of the filter frame (11); and a mixing assembly is installed at the end of the rotating shaft (8) away from the motor (7).

3. A printing ink filtering device according to claim 2, characterized in that: Both ends of the cleaning plate (9) are fitted on the inner wall of the filter barrel (1), and the rotating shaft (8) passes through the filter barrel (1) and is rotatably connected to the filter barrel (1).

4. A printing ink filtering device according to claim 2, characterized in that: The mixing assembly comprises a first transmission wheel (15) fixedly connected to an end of the rotating shaft (8) away from the motor (7); a rotating rod (18) is rotatably connected to the inner wall of the filter barrel (1); an end of the rotating rod (18) away from the filter barrel (1) is fixedly connected to a second transmission wheel (17); a stirring blade (19) is fixedly connected to the rotating rod (18); and the first transmission wheel (15) and the second transmission wheel (17) are connected via a belt (16).

5. A printing ink filtering device according to claim 4, characterized in that: The stirring blade (19) is arranged in the filter barrel (1), and the stirring blade (19) is fitted in the filter barrel (1). The rotating rod (18) passes through the filter barrel (1) and is rotatably connected to the portion passing through the filter barrel (1).

6. A printing ink filtering device according to claim 1, characterized in that: The bottom of the filter barrel (1) is fixedly connected to a support leg (2), the top of the filter barrel (1) is installed with an ink inlet pipe (3), the bottom of the filter barrel (1) is fixedly connected to an ink outlet pipe (4), and the front and back of the filter barrel (1) are both installed with sealing doors (5), and the sealing doors (5) are located directly above the fixed plate (6).

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