Stirring device for water-based ink production

Abstract

The utility model relates to a stirring device for water-based ink production, which comprises a stirring tank, a rotating shaft is coaxially and rotatably arranged in the stirring tank, a stirring mechanism is arranged on the rotating shaft, and a driving mechanism for driving the rotating shaft to rotate is fixedly arranged on the stirring tank; a lower scraper obliquely arranged in the axial direction of the rotating shaft is fixedly arranged on the rotating shaft, the bottom of the lower scraper is attached to the bottom face of the inner cavity of the stirring tank, and the end, away from the rotating shaft, of the lower scraper extends towards the inner side wall of the stirring tank; a side scraper obliquely arranged along the radial direction of the rotating shaft is fixedly arranged on the rotating shaft; one side, close to the inner side wall of the stirring tank, of the side scraper is attached to the inner side wall of the stirring tank; the stirring mechanism comprises stirring paddles fixedly connected to the rotating shaft, the stirring paddles are obliquely arranged in the radial direction of the rotating shaft, the inclination directions of the stirring paddles and the side scrapers in the radial direction of the rotating shaft are opposite, and the stirring paddles and the side scrapers are sequentially arranged around the rotating shaft in a staggered mode; according to the utility model, the water-based ink reciprocates along the radial direction of the rotating shaft through the stirring paddle and the side scraping plate, so that the stirring effect of the water-based ink is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices for production and processing of water-based ink, in particular to a stirring device used for the production of water-based ink. Background Art

[0002] Water-based ink is abbreviated as water-based ink. Flexographic water-based ink is also called liquid ink. It is mainly made of water-soluble resin, organic pigment, solvent and related additives through composite grinding. Water-based ink has the characteristics of high viscosity, easy precipitation and agglomeration, so it is necessary to stir the ink regularly during use to ensure the uniformity of the ink and control the viscosity of the ink within an appropriate range.

[0003] However, the existing water-based ink stirring device only stirs the water-based ink, and it is difficult to fully stir the water-based ink that has settled at the bottom of the stirring tank, resulting in a large amount of water-based ink gathering at the bottom of the stirring tank, thereby affecting the mixing effect of the water-based ink; the water-based ink has a certain adsorption property, and the water-based ink adsorbed on the inner wall of the stirring tank is difficult to stir, which greatly affects the stirring effect of the water-based ink; and when using the water-based ink, part of the water-based ink will adhere to the inner wall of the stirring tank, and the water-based ink is difficult to be completely discharged, resulting in great waste. Utility Model Content

[0004] The utility model aims at the deficiencies of the prior art and provides a stirring device for producing water-based ink which is simple, efficient, safe, reliable and easy to operate and can make water-based ink reciprocate radially along a rotating shaft through a stirring paddle and a side scraper, thereby increasing the stirring effect of the water-based ink.

[0005] The utility model is realized through the following technical scheme, and provides a stirring device for producing water-based ink, comprising a stirring tank, a rotating shaft coaxially arranged in the stirring tank, a stirring mechanism arranged on the rotating shaft, and a driving mechanism for driving the rotating shaft to rotate fixedly arranged on the stirring tank; a lower scraper arranged obliquely along the axial direction of the rotating shaft fixedly arranged on the rotating shaft, the bottom of the lower scraper is arranged in contact with the bottom surface of the inner cavity of the stirring tank, and the end of the lower scraper away from the rotating shaft extends toward the inner side wall of the stirring tank; a side scraper arranged obliquely along the radial direction of the rotating shaft fixedly arranged on the rotating shaft, and the side scraper close to the inner side wall of the stirring tank is arranged in contact with the inner side wall of the stirring tank; the stirring mechanism comprises a stirring paddle fixedly connected to the rotating shaft, the stirring paddle is arranged obliquely along the radial direction of the rotating shaft, the inclination direction of the stirring paddle and the side scraper along the radial direction of the rotating shaft is opposite, and the stirring paddle and the side scraper are arranged alternately in sequence around the rotating shaft; the water-based ink is reciprocated along the radial direction of the rotating shaft by the stirring paddle and the side scraper, thereby increasing the stirring effect of the water-based ink.

[0006] As an optimization, an upper scraper is fixed on the top of the side scraper, and the side of the upper scraper close to the inner wall of the stirring tank is fitted with the inner wall of the stirring tank, and the top of the upper scraper is inclined along the axial direction of the rotating shaft toward the side of the side scraper; the upper scraper prevents the aqueous ink from moving upward along the inner wall of the stirring tank during the stirring process.

[0007] As an optimization, the lower scraper, side scraper, upper scraper and stirring paddle are evenly arranged around the rotating shaft; the evenly arranged stirring paddle and side scraper prevent the rotating shaft from being overweight during the stirring process, thereby causing damage to the stirring device.

[0008] The beneficial effects of the utility model are as follows: the stirring paddle and the side scraper make the water-based ink reciprocate radially along the rotating shaft, thereby increasing the stirring effect of the water-based ink; the upper scraper prevents the water-based ink from moving upward along the inner wall of the stirring tank during the stirring process; the water-based ink is reciprocatedly stirred by the stirring paddle and the side scraper, thereby increasing the stirring and mixing effect of the water-based ink. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0010] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0011] Figure 3 This is a schematic diagram of the connection between the rotating shaft, the lower scraper, the side scraper, the upper scraper and the stirring paddle of the utility model; as shown in the figure:

[0012] 1. Mixing tank, 2. Rotating shaft, 3. Mixing mechanism, 4. Driving mechanism, 5. Lower scraper, 6. Side scraper, 7. Upper scraper, 8. Bearing, 9. Sealing ring, 101. Feed inlet, 102. Collecting hopper, 103. Discharge port, 104. Valve, 301. Cross support, 302. Mixing paddle. DETAILED DESCRIPTION

[0013] In order to clearly illustrate the technical features of this solution, this solution is described below through a specific implementation method.

[0014] like Figure 1 , Figure 2 and Figure 3The stirring device for water-based ink production of the utility model shown in the utility model comprises a stirring tank 1, in which a rotating shaft 2 is coaxially arranged, a stirring mechanism 3 is arranged on the rotating shaft 2, and a driving mechanism 4 for driving the rotating shaft 2 to rotate is fixedly arranged on the stirring tank 1; a lower scraper 5 is fixedly arranged on the rotating shaft 2 and is arranged obliquely along the axial direction of the rotating shaft 2, the bottom of the lower scraper 5 is arranged in contact with the bottom surface of the inner cavity of the stirring tank 1, and the end of the lower scraper 5 away from the rotating shaft 2 extends toward the inner side wall of the stirring tank 1; a side scraper 6 is fixedly arranged on the rotating shaft 2 and is inclined along the radial direction of the rotating shaft 2, and the side scraper 6 is arranged in contact with the inner side wall of the stirring tank 1 on the side close to the inner side wall of the stirring tank 1; the stirring mechanism 3 comprises a stirring paddle 302 fixedly connected to the rotating shaft 2, the stirring paddle 302 is arranged obliquely along the radial direction of the rotating shaft 2, the inclination direction of the stirring paddle 302 and the side scraper 6 along the radial direction of the rotating shaft 2 is opposite, and the stirring paddle 302 and the side scraper 6 are arranged alternately around the rotating shaft 2 in sequence.

[0015] The rotating shaft 2 extends in the vertical direction, and the rotating shaft 2 is connected to the mixing tank 1 through the bearing 8. The mixing tank 1 is provided with a through hole, and the bearing 8 is embedded in the through hole. The outer ring of the bearing 8 is fixedly connected to the mixing tank 1, and the rotating shaft 2 is penetrated in the inner ring of the bearing 8, and the rotating shaft 2 and the inner ring of the bearing 8 are coaxially fixedly connected. A sealing ring 9 is provided in the through hole below the bearing 8, and the sealing ring 9 is sleeved on the rotating shaft 2, and the sealing ring 9 is fixedly connected to the mixing tank 1; a collecting hopper 102 is provided at the bottom of the mixing tank 1, and the bottom of the lower scraper 5 is arranged to fit the inner wall of the collecting hopper 102; a feeding port 101 is provided at the top of the mixing tank 1, and the bottom of the collecting hopper 102 A discharge port 103 is provided, and a valve 104 is provided at the discharge port 103; the driving mechanism 4 is of prior art, and the driving mechanism 4 adopts a motor, and the rotating shaft 2 is coaxially fixedly connected to the output shaft of the motor; the stirring mechanism 3 is located above the lower scraper 5; the side scraper 6 extends along the axial direction of the rotating shaft 2, and the bottom of the side scraper 6 is fixedly connected to the lower scraper 5; the side scraper 6 and the lower scraper 5 are inclined in one direction; the stirring paddle 302 extends along the axial direction of the rotating shaft 2, and the stirring paddle 302 is fixedly connected to the rotating shaft 2 through a cross brace 301 extending radially along the rotating shaft 2, and the spacing between the stirring paddle 302 and the rotating shaft 2 is smaller than the spacing between the side scraper 6 and the rotating shaft 2.

[0016] The driving mechanism 4 is started, and the driving mechanism 4 drives the stirring mechanism 3 and the lower scraper 5 to rotate around the rotating shaft 2 through the rotating shaft 2; the stirring mechanism 3 stirs the aqueous ink in the stirring tank 1, and the lower scraper 5 stirs the aqueous ink precipitated at the bottom of the stirring tank 1, and the precipitated aqueous ink moves upward under the action of the lower scraper 5 and enters the working range of the stirring mechanism 3, and the stirring mechanism 3 stirs the precipitated aqueous ink; the rotating shaft 2 drives the side scraper 6 to rotate around the rotating shaft 2, and the side scraper 6 stirs the aqueous ink adsorbed on the inner wall of the stirring tank 1, and the aqueous ink adsorbed on the inner wall of the stirring tank 1 moves toward the rotating shaft 2 under the action of the lower scraper 5 and enters the working range of the stirring mechanism 3, and the stirring mechanism 3 stirs the aqueous ink adsorbed on the inner wall of the stirring tank 1; the rotating shaft 2 drives the stirring paddle 302 and the side scraper 6 to rotate around the rotating shaft 2, and the stirring paddle 302 and the side scraper 6 stir the aqueous ink reciprocatingly.

[0017] like Figure 1 and Figure 3 An upper scraper 7 is fixedly arranged on the top of the side scraper 6 shown, and the side of the upper scraper 7 close to the inner wall of the stirring tank 1 is arranged in contact with the inner wall of the stirring tank 1, and the top of the upper scraper 7 is inclined along the axial direction of the rotating shaft 2 toward the side of the side scraper 6; one end of the upper scraper 7 away from the side scraper 6 is fixed to the rotating shaft 2; the water-based ink moves upward along the side scraper 6 and contacts the upper scraper 7, and the water-based ink moves downward under the action of the upper scraper 7 and enters the working range of the stirring mechanism 3.

[0018] like Figure 1 and Figure 3 The lower scraper 5, side scraper 6, upper scraper 7 and stirring paddle 302 are evenly arranged around the rotating shaft 2; the rotating shaft 2 drives the stirring paddle 302 and the side scraper 6 to rotate around the rotating shaft 2, and the stirring paddle 302 and the side scraper 6 reciprocate to stir the aqueous ink.

[0019] In the actual production process, the driving mechanism 4 is started, and the driving mechanism 4 drives the lower scraper 5, the side scraper 6, the upper scraper 7 and the stirring paddle 302 to rotate around the rotating shaft 2 through the rotating shaft 2; the stirring paddle 302 stirs the water-based ink in the stirring tank 1, and the lower scraper 5 stirs the water-based ink precipitated at the bottom of the stirring tank 1, and the precipitated water-based ink moves upward under the action of the lower scraper 5 and enters the working range of the stirring paddle 302, and the stirring paddle 302 stirs the precipitated water-based ink; the side scraper 6 stirs the water-based ink adsorbed on the stirring tank 1, and the water-based ink adsorbed on the inner wall of the stirring tank 1 moves toward the direction of the rotating shaft 2 under the action of the lower scraper 5 and enters the working range of the stirring paddle 302. The stirring paddle 302 stirs the water-based ink adsorbed on the inner wall of the stirring tank 1, and the stirring paddle 302 and the side scraper 6 reciprocate to stir the water-based ink; the water-based ink moves upward along the side scraper 6 and contacts the upper scraper 7, and the water-based ink moves downward under the action of the upper scraper 7 and enters the working range of the stirring mechanism 3.

[0020] Of course, the above description is not limited to the above examples. The technical features not described in the present invention can be achieved by or by adopting the existing technology, which will not be repeated here. The above embodiments and drawings are only used to illustrate the technical scheme of the present invention and are not limitations of the present invention. The present invention is described in detail with reference to the preferred implementation methods. Ordinary technicians in this field should understand that the changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention do not deviate from the purpose of the present invention and should also fall within the scope of protection of the claims of the present invention.

Claims

1. A stirring device for producing water-based ink, comprising a stirring tank (1), a rotating shaft (2) coaxially arranged in the stirring tank (1), a stirring mechanism (3) arranged on the rotating shaft (2), and a driving mechanism (4) for driving the rotating shaft (2) to rotate fixedly arranged on the stirring tank (1); characterized in that: A lower scraper (5) is fixedly provided on the rotating shaft (2) and is arranged obliquely along the axial direction of the rotating shaft (2). The bottom of the lower scraper (5) is arranged in contact with the bottom surface of the inner cavity of the stirring tank (1), and one end of the lower scraper (5) away from the rotating shaft (2) extends toward the inner side wall of the stirring tank (1); a side scraper (6) is fixedly provided on the rotating shaft (2) and is arranged obliquely along the radial direction of the rotating shaft (2). The side of the side scraper (6) close to the inner side wall of the stirring tank (1) is arranged in contact with the inner side wall of the stirring tank (1); the stirring mechanism (3) comprises a stirring paddle (302) fixedly connected to the rotating shaft (2). The stirring paddle (302) is arranged obliquely along the radial direction of the rotating shaft (2). The inclination directions of the stirring paddle (302) and the side scraper (6) along the radial direction of the rotating shaft (2) are opposite, and the stirring paddle (302) and the side scraper (6) are arranged alternately in sequence around the rotating shaft (2).

2. The stirring device for producing water-based ink according to claim 1, characterized in that: An upper scraper (7) is fixedly arranged on the top of the side scraper (6); a side of the upper scraper (7) close to the inner wall of the stirring tank (1) is arranged in contact with the inner wall of the stirring tank (1); and a top of the upper scraper (7) is arranged inclined along the axial direction of the rotating shaft (2) toward a side inclined toward the side scraper (6).

3. The stirring device for producing water-based ink according to claim 1, characterized in that: The lower scraper (5), the side scraper (6), the upper scraper (7) and the stirring paddle (302) are evenly arranged around the rotating shaft (2).

Images