CN115591426A - Shear blade agitator of a fully automatic dosing device - Google Patents

Abstract

The invention relates to a shearing blade stirrer of a full-automatic dosing device, which comprises: the stirring device comprises a motor shaft head shaft sleeve, a stirring hollow pipe shaft, a stirring blade sleeve and a shearing blade; a driving device is arranged right above the shaft sleeve of the shaft head of the motor; the upper end part of the shaft sleeve of the motor shaft head is connected with the bottom key of the driving device; a stirring hollow tubular shaft is arranged under the motor shaft head shaft sleeve, and the lower end part of the motor shaft head shaft sleeve is welded with the upper end part of the stirring hollow tubular shaft. The invention has the beneficial effects that: the shearing blade stirrer has a shearing function, the cutting angle of the blade is a right angle, the blade is high in strength and not easy to damage, and the plurality of toothed blades are arranged on the periphery of the thick blade disc so as to shear thick and high-viscosity fluid and increase the stirring strength of the stirrer; the invention also adds a stirring blade between the adjacent shearing blades; the stirring and shearing blade does not need to be frequently replaced, the use cost is reduced, the structure is simple, the operation is convenient, the use effect is good, and the cost is low.

Description

Shear blade agitator of a fully automatic dosing device

technical field

The invention belongs to the technical field of fluid agitation of a dosing device, in particular to a shear blade agitator of a fully automatic dosing device.

Background technique

At present, the existing stirring devices or stirrers have a variety of different stirring blades, such as spiral type, turbine type, etc.; when stirring the fluid in the tank of the dosing device, it is necessary to achieve the set dispersion uniformity; for the stirring fluid , due to the different fluid properties, there are light fluids, heavy fluids, fluids with low viscosity, and fluids with high viscosity; when the existing agitator is stirring, the strength of the shear blade of the agitator is not enough , stirring unevenly, easily damaged.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies in the prior art and provide a shear blade agitator of a fully automatic dosing device, which is not easily damaged due to the high strength of the dosing device.

The shearing blade agitator of this automatic dosing device includes: the motor shaft head bushing, the stirring hollow tube shaft, the stirring blade bushing and the shearing blade; a driving device is arranged directly above the motor shaft head bushing; The upper end of the shaft sleeve is keyed to the bottom of the driving device; the stirring hollow tube shaft is arranged directly under the shaft sleeve of the motor shaft head, and the lower end of the shaft sleeve of the motor shaft head is welded to the upper end of the stirring hollow tube shaft; the upper end of the stirring hollow tube shaft is sleeved at intervals There are multiple stirring blade sleeves, and the bottom of the stirring hollow tube shaft is also provided with a stirring blade sleeve; each stirring blade sleeve is fixed on the side surface of the stirring hollow tube shaft; The stirring blade cover is fixedly connected with the shearing blade;

The shearing blade includes a blisk and a blade; a plurality of blades are vertically arranged on the upper and lower sides of the blisk at intervals along the rotation direction of the blisk, the direction of adjacent blades on the blisk is opposite, and the cutting angle of the blade is a right angle.

Preferably, the shearing blades are an integrated device: the adjacent blades on the blisk are arranged on the upper and lower outer edges of the upper and lower surfaces of the same blisk; the separated blades are in the same direction, both upward or downward.

Preferably, the shearing blade is a split device: the shearing blade is welded as a whole by two blade discs symmetrically, and a plurality of blades in the same direction are arranged at intervals on each blade disc, and the blades on the blade disc at the upper part of the shearing blade are not The fixed end faces upward, and the non-fixed end of the blade on the blisk located at the lower part of the shearing blade faces downward; the upper and lower two blisks are in the vertical direction, and one of the non-fixed ends of each adjacent two blades faces upward, and the other non-fixed end down.

Preferably, a stirring blade is added between every two adjacent shearing blades, and the stirring blade is welded to the outer surface of the stirring hollow tube shaft through bolts; the force bearing area of the stirring blade is much larger than that of the blade.

As preferably, the blade is trapezoidal, the fixed edge of the blade and the blisk is a straight line, and is flush with the plane where the blisk is located, and the end edge of the blade away from the blisk is a hypotenuse, and the hypotenuse is at a set angle with the plane where the blisk is located; The disc is round.

Preferably, each stirring blade cover is fixed on the shaft side surface of the hollow stirring tube by bolts; a shearing blade is fixedly arranged on the side wall of each stirring blade cover, and the stirring blade cover is welded to the shearing blade.

Preferably, the driving device is a motor.

Preferably, the shaft sleeve of the motor shaft head, the stirring hollow tube shaft, the stirring blade sleeve and the shearing blade are made of 304 stainless steel; the bolts are M6*15 bolts.

Preferably, the upper end of the shaft sleeve of the motor shaft head is keyed to the bottom of the driving device through fastening screws.

The beneficial effects of the present invention are:

The shearing blade agitator of the present invention has a shearing function, the cutting angle of the blade is a right angle, and the blade has high strength and is not easy to be damaged. The present invention arranges a plurality of toothed blades around the thick leaf disk to reduce the thickness and viscosity. The high fluid is sheared and the stirring intensity of the agitator is increased; the present invention also adds stirring paddles between adjacent shearing blades; it is not necessary to frequently replace the stirring and shearing blades, which reduces the cost of use and is simple in structure and easy to operate. The use effect is good and the cost is low.

The shearing blade agitator of the fully automatic dosing device provided by the present invention can smoothly stir the fluid no matter it is in the fluid of the dosing device that is light and low in viscosity, or in the fluid of the dosing device that is relatively heavy and high in viscosity. Even, it can also shear the dosing fluid with high viscosity.

Description of drawings

Fig. 1 is the structural representation of the shear blade agitator of the automatic dosing device of embodiment 1;

Fig. 2 is the structural representation of the mixing shear blade of embodiment 1;

Fig. 3 is the sectional structural diagram of the shear blade of embodiment 1;

Fig. 4 is a schematic diagram of the combination of the shearing blade and the stirring blade of the fully automatic dosing device in Example 2.

Explanation of reference numerals: motor shaft head bushing 1, stirring hollow tube shaft 2, stirring blade sleeve 3, shearing blade 4, bolt 5, blisk 6, blade 7, stirring paddle 8.

detailed description

The present invention will be further described below in conjunction with the examples. The description of the following examples is provided only to aid the understanding of the present invention. It should be pointed out that for those skilled in the art, some modifications can be made to the present invention without departing from the principles of the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Example 1

As shown in Figures 1 to 3, a shearing blade agitator of a fully automatic dosing device includes a motor shaft head bushing 1, a stirring hollow tube shaft 2, a stirring blade sleeve 3 and a shearing blade 4; the motor shaft head There is a driving device directly above the shaft sleeve 1, and the upper end of the motor shaft sleeve 1 is keyed to the bottom of the driving device through a fastening screw; a stirring hollow tube shaft 2 is installed directly below the motor shaft sleeve 1, and the motor shaft sleeve The lower end of 1 is welded to the upper end of the stirring hollow tube shaft 2; a plurality of stirring blade sleeves 3 are sleeved on the stirring hollow tube shaft 2 at intervals, and the bottom of the stirring hollow tube shaft 2 is also provided with a stirring blade sleeve 3; each stirring blade sleeve 3 are all fixed on the side surface of the stirring hollow tube shaft 2 by bolts 5, and the bolts 5 are M6*15 bolts; each side wall of the stirring blade cover 3 is fixed with a shearing blade 4, and the stirring blade cover 3 and the shearing blade 4 welding;

The shearing blades are divided into upper, middle and lower layers. The shearing blades 4 include blisks 6 and blades 7; multiple blades 7 are vertically arranged on the upper and lower sides of the blisks 6 at intervals along the rotation direction of the blisks 6, and the blisks 6 are adjacent to each other. The direction of the blade 7 is opposite, and the cutting angle of the blade 7 is a right angle;

The blade 7 is trapezoidal or tooth-shaped, and the fixed edge of the blade 7 and the blisk 6 is a straight line, which is flush with the plane where the blisk 6 is located. The plane is at a set angle, which is convenient for cutting; the blisk 6 is circular;

The shearing blade 4 is an integrated device: the adjacent blades 7 on the blisk 6 are respectively arranged on the outer edge of the upper and lower surfaces of the same blisk 6; the separated blades 7 are in the same direction, both upward or downward; each phase The adjacent two shearing blades are respectively located on both sides of the stirring plate plane, with 9 pieces on the top and bottom, evenly distributed at intervals of 40°;

Motor shaft head shaft sleeve 1, stirring hollow tube shaft 2, stirring blade sleeve 3 and shearing blade 4 are generally made of 304 stainless steel;

From the perspective of force, the structure of the shearing blade 4 can further increase the stirring range of the fluid, so that the stirred fluid becomes more uniform. And the surface of the stirring plate is smooth, so that the fluids can flow with each other, so that the stirring is more sufficient, and it can maintain a balanced rotation during the stirring process; it can increase the shearing strength and stirring of the stirring shear blades when stirring thick, high-viscosity fluids. strength.

Example 2

As shown in Figures 1 to 3, a shearing blade agitator of a fully automatic dosing device includes a motor shaft head bushing 1, a stirring hollow tube shaft 2, a stirring blade sleeve 3 and a shearing blade 4; the motor shaft head There is a driving device directly above the shaft sleeve 1, and the upper end of the motor shaft sleeve 1 is keyed to the bottom of the driving device through a fastening screw; a stirring hollow tube shaft 2 is installed directly below the motor shaft sleeve 1, and the motor shaft sleeve The lower end of 1 is welded to the upper end of the stirring hollow tube shaft 2; a plurality of stirring blade sleeves 3 are sleeved on the stirring hollow tube shaft 2 at intervals, and the bottom of the stirring hollow tube shaft 2 is also provided with a stirring blade sleeve 3; each stirring blade sleeve 3 are all fixed on the outer surface of the stirring hollow tube shaft 2 by bolts 5, and the bolts 5 are M6*15 bolts; each side wall of the stirring blade cover 3 is fixed with a shearing blade 4, and the stirring blade cover 3 and the shearing blade 4 welding;

The shearing blades are divided into upper, middle and lower layers. The shearing blades 4 include leaf discs 6 and blades 7; a plurality of blades 7 are vertically arranged on the upper and lower sides of the leaf disc 6 at intervals, and the directions of adjacent blades 7 on the leaf disc 6 are opposite. The cutting angle of 7 is a right angle;

Blade 7 is quadrilateral, and the fixed edge of blade 7 and blisk 6 is a straight line, flush with the plane where blisk 6 is located, and the end of blade 7 away from blisk 6 is a hypotenuse edge, and the hypotenuse and blisk 6 are in the same plane. Fixed angle for easy cutting;

The shearing blade 4 is a split device: the shearing blade 4 is symmetrically welded together by two blisks 6, and each blisk 6 is provided with a plurality of blades 7 in the same direction at intervals. 6. The non-fixed end of the upper blade 7 faces upward, and the non-fixed end of the upper blade 7 of the blisk 6 located at the lower part of the shear blade 4 faces downward; one of the non-fixed ends of each two adjacent blades 7 faces upward, and the other non-fixed end faces upward. Fixed end facing down.

Example 3

As shown in Figure 4, the remaining components of this embodiment are the same as those of Embodiment 1 or Embodiment 2. On the basis of Embodiment 1 or Embodiment 2, this embodiment is between every two adjacent shearing blades 4 A stirring paddle 8 is added, and the stirring paddle 8 is welded to the outer surface of the stirring hollow tube shaft 2 through the bolt 5; the stress area of the stirring paddle 8 is much larger than that of the blade 7, which can make the medium stir more fully;

The stirring blades 8 and the blades 7 on the stirring blade cover 3 are arranged in a vertically spaced relationship; the stirring blades are set in 2 groups, and the shearing blades are set in 3 groups; wherein the stirring blade group is composed of 3 blades, in the form of 360° uniform distribution.

The shear blade agitator of the fully automatic dosing device of embodiment 1 to embodiment 3, when working: the shear blade agitator is placed in the tank body of the dosing device, the drive device is powered on, and the drive shaft of the drive device rotates to drive the agitation The shearing blade 4 rotates, and the stirring blade 8 and/or the shearing blade 4 break up the massive gel, and fully stir and mix the medicament and water.

Claims (9)

1. A shearing blade agitator of a fully automatic dosing device, characterized in that it includes: motor shaft head bushing (1), stirring hollow tube shaft (2), stirring blade sleeve (3) and shearing blade ( 4); the drive device is provided directly above the motor shaft sleeve (1); the upper end of the motor shaft sleeve (1) is keyed to the bottom of the drive device; the stirring hollow tube is provided directly below the motor shaft sleeve (1) The shaft (2), the lower end of the motor shaft head sleeve (1) is welded to the upper end of the stirring hollow tube shaft (2); the upper end of the stirring hollow tube shaft (2) is sleeved with multiple stirring blade sleeves (3) at intervals, and the stirring The bottom of the hollow tube shaft (2) is also provided with stirring blade sleeves (3); each stirring blade sleeve (3) is fixed on the side surface of the stirring hollow tube shaft (2); each stirring blade sleeve (3) is fixed on the side wall The shearing blade (4) is fixedly arranged, and the stirring blade cover (3) is fixedly connected with the shearing blade (4); The shear blade (4) includes a blisk (6) and a blade (7); a plurality of blades (7) are vertically arranged on the upper and lower sides of the blisk (6) at intervals along the rotation direction of the blisk (6), and the blisk (6) The directions of the upper adjacent blades (7) are opposite, and the cutting angle of the blades (7) is a right angle. 2. The shearing blade agitator of the fully automatic dosing device according to claim 1, characterized in that the shearing blade (4) is an integrated device: the adjacent blades (7) on the blisk (6) are one up and one down respectively Set on the outer edge of the upper and lower surfaces of the same blisk (6); the separated blades (7) have the same direction, both upward or downward. 3. The shearing blade agitator of the automatic dosing device according to claim 1, characterized in that, the shearing blade (4) is a split device: the shearing blade (4) is symmetrical with two blade discs (6) Welded as a whole, each blisk (6) is provided with a plurality of blades (7) in the same direction at intervals, and the non-fixed end of the blade (7) on the blisk (6) on the upper part of the shear blade (4) faces upward, The non-fixed end of the upper blade (7) of the blisk (6) located at the lower part of the shear blade (4) faces downward; the upper and lower blisks (6) are in the vertical direction, and one of the two adjacent blades (7) The non-fixed end faces up and the other non-fixed end faces down. 4. The shearing blade agitator of the automatic dosing device according to claim 1, characterized in that: a stirring blade (8) is added between every two adjacent shearing blades (4), and the stirring blade The blade (8) is welded to the outer surface of the stirring hollow tube shaft (2) through the bolt (5); the force bearing area of the stirring blade (8) is much larger than the force bearing area of the blade (7). 5. The shearing blade agitator of the fully automatic dosing device according to claim 1, characterized in that: the blade (7) is trapezoidal, and the fixed side of the blade (7) and the leaf disk (6) is a straight line, and the The plane where the disc (6) is located is flush, and the edge of the blade (7) away from the blisk (6) is a hypotenuse, which forms a set angle with the plane where the blisk (6) is located; the bliss (6) is circular. 6. The shearing blade agitator of the automatic dosing device according to claim 1, characterized in that: each agitating blade cover (3) is fixed on the side surface of the agitating hollow tube shaft (2) by bolts (5); A shearing blade (4) is fixedly arranged on the side wall of each stirring blade cover (3), and the stirring blade cover (3) is welded to the shearing blade (4). 7. The shear blade agitator of the fully automatic dosing device according to claim 1, wherein the driving device is a motor. 8. According to claim 1, 4 or 5, the shearing blade agitator of the automatic dosing device is characterized in that: the motor shaft head bushing (1), the stirring hollow tube shaft (2), the stirring blade sleeve (3 ) and shear blade (4) are made of 304 stainless steel; bolts (5) are M6*15 bolts. 9. The shearing blade agitator of the automatic dosing device according to claim 1, characterized in that: the upper end of the motor shaft head bushing (1) is keyed to the bottom of the driving device through fastening screws.

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