阅读说明：本技术 一种防水涂料加工用的自动化混合装置及混合方法 (Automatic mixing device and mixing method for waterproof paint processing ) 是由 潘洪朋 远晓君 潘洪娜 远义广 于 2021-08-03 设计创作，主要内容包括：本发明涉及一种防水涂料加工用的自动化混合装置及混合方法,包括圆柱形的混合罐、连通在混合罐底部的入料管、竖向轴接在混合罐内的外管以及轴接在外管内部的内管,所述外管和内管反向旋转,所述外管外壁固接有多个沿周向设置的入粉搅拌管,入粉搅拌管外端固接有连接所有入粉搅拌管的环形入料壳,环形入料壳的外圈与混合罐内壁密封贴合,环形入料壳与混合罐内壁构成环形且密闭的入粉腔,混合罐上连通有与入粉腔连通的粉料入料管,入粉搅拌管内装有螺旋输送叶片,螺旋输送叶片的外端伸入至入粉腔,螺旋输送叶片的内端固接有伸入至外管和内管之间的被动齿轮,所述内管上固接有与被动齿轮啮合的主动齿轮,所述入粉搅拌管上开有多个粉料出料孔。(The invention relates to an automatic mixing device and a mixing method for processing waterproof paint, which comprises a cylindrical mixing tank, a feeding pipe communicated with the bottom of the mixing tank, an outer pipe vertically coupled in the mixing tank, and an inner pipe coupled in the outer pipe, wherein the outer pipe and the inner pipe rotate in opposite directions, the outer wall of the outer pipe is fixedly connected with a plurality of powder feeding stirring pipes arranged along the circumferential direction, the outer end of each powder feeding stirring pipe is fixedly connected with an annular feeding shell connected with all the powder feeding stirring pipes, the outer ring of the annular feeding shell is hermetically attached to the inner wall of the mixing tank, the annular feeding shell and the inner wall of the mixing tank form an annular and closed powder feeding cavity, the mixing tank is communicated with a powder feeding pipe communicated with the powder feeding cavity, the powder feeding stirring pipe is internally provided with a spiral conveying blade, the outer end of the spiral conveying blade extends into the powder feeding cavity, and the inner end of the spiral conveying blade is fixedly connected with a driven gear extending between the outer pipe and the inner pipe, the inner pipe is fixedly connected with a driving gear meshed with the driven gear, and the powder feeding stirring pipe is provided with a plurality of powder discharging holes.)

1. The utility model provides an automatic mixing arrangement of water proof coating processing usefulness which characterized in that: comprises a cylindrical mixing tank (1), a feeding pipe (17) communicated with the bottom of the mixing tank (1), an outer pipe (3) vertically connected with the mixing tank (1) in a shaft manner and an inner pipe (2) connected with the inner part of the outer pipe (3) in a shaft manner, wherein the outer pipe (3) and the inner pipe (2) reversely rotate, the outer wall of the outer pipe (3) is fixedly connected with a plurality of powder feeding stirring pipes (4) arranged along the circumferential direction, the outer end of each powder feeding stirring pipe (4) is fixedly connected with an annular feeding shell (6) connected with all the powder feeding stirring pipes (4), the outer ring of each annular feeding shell (6) is hermetically attached to the inner wall of the mixing tank (1), the annular feeding shell (6) and the inner wall of the mixing tank (1) form an annular and closed powder feeding cavity, the mixing tank (1) is communicated with a powder feeding pipe (9) communicated with the powder feeding cavity, a spiral conveying blade (5) is arranged in the powder feeding stirring pipe (4), and the spiral conveying blade (5) extends into the outer end of the powder feeding stirring pipe (1), the inner end of the spiral conveying blade (5) is fixedly connected with a driven gear (7) extending between the outer pipe (3) and the inner pipe (2), the inner pipe (2) is fixedly connected with a driving gear (8) meshed with the driven gear (7), and the powder feeding stirring pipe (4) is provided with a plurality of powder discharging holes (23).

2. The automated mixing apparatus for waterproof paint processing according to claim 1, wherein: open outer tube pan feeding hole (11) on outer tube (3), it has inner tube pan feeding hole (10) that are located driving gear (8) top to open on inner tube (2), and the rigid coupling has inner tube closure plate (21) that are located inner tube pan feeding hole (10) below in inner tube (2), and outer rigid coupling of inner tube (2) has outer tube closure plate (22) with sealed between outer tube (3) and inner tube (2), outer tube closure plate (22) are located between inner tube pan feeding hole (10) and driving gear (8).

3. The automated mixing apparatus for waterproof paint processing according to claim 2, characterized in that: the inner tube stirring paddle is characterized in that a plurality of inner tube stirring paddles (12) are fixedly connected to the inner tube (2), a plurality of outer tube stirring paddles (13) are fixedly connected to the inner wall of the outer tube (3), and the inner tube stirring paddles (12) and the outer tube stirring paddles (13) are located between the outer tube feeding hole (11) and the inner tube feeding hole (10).

4. The automated mixing apparatus for waterproof paint processing according to claim 2, characterized in that: secondary blending tank (15) are equipped with to blending tank (1) upper end, and inner tube (2) upper end stretches into in secondary blending tank (15), and the lateral wall intercommunication of secondary blending tank (15) has discharging pipe (16).

5. The automated mixing apparatus for waterproof paint processing according to claim 4, wherein: and a secondary stirring paddle (14) positioned in the secondary mixing tank (15) is fixedly connected to the inner pipe (2).

6. The automated mixing apparatus for waterproof paint processing according to claim 1, wherein: go into powder stirring pipe (4) and be located outer tube (3) lower extreme, the rigid coupling has a plurality of mixing stirring oar (20) on outer tube (3).

7. The automated mixing apparatus for waterproof paint processing according to claim 1, wherein: the powder discharge hole (23) is arranged on the lower end face of the powder feeding stirring pipe (4).

8. The automated mixing apparatus for waterproof paint processing according to claim 1, wherein: the inner end of the powder feeding stirring pipe (4) is provided with a tail end discharge hole (24), and the tail end discharge hole (24) is larger than the powder discharge hole (23).

9. The automated mixing apparatus for waterproof paint processing according to claim 1, wherein: and a sealing ring matched with the inner wall of the mixing tank (1) is arranged on the annular feeding shell (6).

10. A mixing method using the automated mixing apparatus of claims 1-9, wherein:

it is rotatory around the center to drive into powder agitator tube through the outer tube, because outer tube and inner tube counter-rotation, and driven gear meshing is on the driving gear, make the auger delivery blade rotatory, the powder entering in the powder pan feeding pipe goes into the powder chamber, carry to the center through auger delivery blade, and mix through the liquid inside that the powder discharge opening got into the blending tank, it still plays the effect of stirring to go into the powder agitator tube simultaneously, make powder and liquid misce bene, constantly inject new liquid into the blending tank through the pan feeding pipe, make mixing operation continuous operation.

Technical Field

The invention relates to the technical field of waterproof paint processing, in particular to an automatic mixing device and a mixing method for waterproof paint processing.

Background

The acrylic waterproof paint is a single-component water-emulsion waterproof paint prepared by taking pure acrylic polymer emulsion as a base material and adding other additives. The waterproof film formed by curing the waterproof coating has certain extensibility, elastoplasticity, crack resistance, impermeability and weather resistance, can play roles in waterproofing, seepage prevention and protection, has good temperature adaptability, is simple and convenient to operate and easy to maintain, when the waterproof coating is processed, a plurality of powder additives are required to be mixed and added into the emulsion, because the added powder floats above the emulsion, the two are difficult to mix, and a large amount of powder is often attached to the inner wall of the mixing tank or the stirring paddle, the powder is usually injected into the mixing tank firstly in the prior art during mixing, then injecting the emulsion into the mixing tank, stirring for a long time to mix uniformly, pouring out the mixed emulsion in the mixing tank after mixing uniformly, then adding new emulsion and powder to stir for the next batch, and the automatic continuous mixing operation cannot be realized.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an automatic mixing device and a mixing method for processing waterproof paint.

The invention is realized by the following technical scheme, and provides an automatic mixing device for processing waterproof paint, which comprises a cylindrical mixing tank, a feeding pipe communicated with the bottom of the mixing tank, an outer pipe vertically coupled in the mixing tank, and an inner pipe coupled in the outer pipe, wherein the outer pipe and the inner pipe rotate in opposite directions, the outer wall of the outer pipe is fixedly connected with a plurality of powder feeding stirring pipes arranged along the circumferential direction, the outer end of each powder feeding stirring pipe is fixedly connected with an annular feeding shell connected with all the powder feeding stirring pipes, the outer ring of the annular feeding shell is hermetically attached to the inner wall of the mixing tank, the annular feeding shell and the inner wall of the mixing tank form an annular and sealed powder feeding cavity, the mixing tank is communicated with a powder feeding pipe communicated with the powder feeding cavity, the powder feeding stirring pipe is internally provided with a spiral conveying blade, the outer end of the spiral conveying blade extends into the powder feeding cavity, the inner end of the spiral conveying blade is fixedly connected with a driven gear extending between the outer pipe and the inner pipe, the inner pipe is fixedly connected with a driving gear meshed with the driven gear, and the powder feeding stirring pipe is provided with a plurality of powder discharging holes.

The outer tube in this scheme drives into powder agitator pipe and rotates around the center, because outer tube and inner tube counter rotation, and driven gear meshing is on the driving gear, it is rotatory to make screw conveyor blade, the powder entering in the powder pan feeding pipe goes into the powder chamber, carry to the center through screw conveyor blade, and mix through the inside liquid that the powder discharge opening got into the blending tank, it still plays the effect of stirring to go into the powder agitator pipe simultaneously, make powder and liquid misce bene, constantly inject new liquid into the blending tank through the pan feeding pipe, make the mixing operation continuous operation.

As the optimization, outer tube pan feeding hole has been opened to the outer tube upper end, it has the inner tube pan feeding hole that is located the driving gear top to open on the inner tube, the rigid coupling has the inner tube closure plate that is located inner tube pan feeding hole below in the inner tube, and the outer rigid coupling of inner tube has the outer tube closure plate with sealed between outer tube and the inner tube, the outer tube closure plate is located between inner tube pan feeding hole and the driving gear. The outer tube pan feeding hole and the inner tube pan feeding hole that set up in this scheme, the liquid after the stirring mixes gets into the outer tube pan feeding hole from the outer tube upper end, then flows downwards, gets into the inner tube through the inner tube pan feeding hole in, discharges through the inner tube at last to carry out the secondary in outer tube and inner tube and mix, make the misce bene, the outer tube closure plate is located between inner tube pan feeding hole and the driving gear, thereby prevents that the liquid after mixing from getting into the meshing that the driving gear influences between the gear.

As optimization, the inner pipe is fixedly connected with a plurality of inner pipe stirring paddles, the inner wall of the outer pipe is fixedly connected with a plurality of outer pipe stirring paddles, and the inner pipe stirring paddles and the outer pipe stirring paddles are both located between the outer pipe feeding hole and the inner pipe feeding hole. The inner tube stirring rake in this scheme and outer tube stirring rake stir the liquid between inner tube and the outer tube, make the mixture more even.

As optimization, a secondary mixing tank is arranged at the upper end of the mixing tank, the upper end of the inner pipe extends into the secondary mixing tank, and a discharge pipe is communicated with the side wall of the secondary mixing tank. In this scheme mixed liquid passes through inner tube upper end entering secondary mixing tank, then discharges through the discharging pipe to further stir liquid, make the misce bene.

Preferably, the inner pipe is fixedly connected with a secondary stirring paddle positioned in the secondary mixing tank. The secondary stirring rake that sets up in this scheme stirs the mixed coating in the secondary mixing jar, makes the misce bene.

Preferably, the powder feeding stirring pipe is positioned at the lower end of the outer pipe, and the outer pipe is fixedly connected with a plurality of mixing stirring paddles. The powder feeding stirring pipe is positioned at the lower end of the outer pipe in the scheme, so that liquid entering the mixing tank through the powder feeding pipe is mixed with powder as soon as possible, and the mixed and stirred liquid is further stirred and mixed through the mixing stirring paddle.

As optimization, the powder discharge hole is formed in the lower end face of the powder feeding stirring pipe. The discharge opening sets up the lower terminal surface of going into powder agitator tube in this scheme, makes the powder get into liquid from the lower terminal surface of going into powder agitator tube, the mixture of the powder of being convenient for and liquid.

Preferably, the inner end of the powder feeding stirring pipe is provided with a tail end discharge hole, and the tail end discharge hole is larger than the powder discharge hole. Terminal discharge opening is greater than the powder discharge opening in this scheme, and when the powder that goes into in the powder agitator tube did not all discharge from the powder discharge opening, set up the discharge that terminal discharge opening can be convenient for surplus powder.

Preferably, a sealing ring matched with the inner wall of the mixing tank is arranged on the annular feeding shell. The sealing washer that sets up in this scheme plays sealed effect when annular pan feeding shell rotates for the blending tank inner wall.

A method of mixing using an automated mixing device:

it is rotatory around the center to drive into powder agitator tube through the outer tube, because outer tube and inner tube counter-rotation, and driven gear meshing is on the driving gear, make the auger delivery blade rotatory, the powder entering in the powder pan feeding pipe goes into the powder chamber, carry to the center through auger delivery blade, and mix through the liquid inside that the powder discharge opening got into the blending tank, it still plays the effect of stirring to go into the powder agitator tube simultaneously, make powder and liquid misce bene, constantly inject new liquid into the blending tank through the pan feeding pipe, make mixing operation continuous operation.

The invention has the beneficial effects that: the invention relates to an automatic mixing device and a mixing method for processing waterproof paint, wherein an outer tube drives a powder feeding stirring tube to rotate around a center, the outer tube and an inner tube rotate in opposite directions, a driven gear is engaged on a driving gear to enable a spiral conveying blade to rotate, powder in the powder feeding tube enters a powder feeding cavity, is conveyed to the center through the spiral conveying blade and enters liquid in a mixing tank through a powder discharging hole to be mixed, the powder feeding stirring tube also plays a role in stirring to enable the powder and the liquid to be uniformly mixed, new liquid is continuously injected into the mixing tank through a feeding tube to enable the mixing operation to be continuously operated, the mixed liquid enters the feeding hole of the outer tube from the upper end of the outer tube, then flows downwards, enters the inner tube through the feeding hole of the inner tube, and is discharged through the inner tube, so that secondary mixing is carried out in the outer tube and the inner tube to enable the mixing to be uniform, the invention can realize automatic mixing of the waterproof coating, and the mixing process runs continuously and is uniform in mixing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along plane A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of portion B of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of the portion C of FIG. 1 according to the present invention;

shown in the figure:

1. mixing tank, 2, inner tube, 3, outer tube, 4, go into powder agitator tube, 5, screw conveying blade, 6, annular pan feeding shell, 7, driven gear, 8, driving gear, 9, powder pan feeding pipe, 10, inner tube pan feeding hole, 11, outer tube pan feeding hole, 12, inner tube stirring rake, 13, outer tube stirring rake, 14, secondary stirring rake, 15, secondary mixing tank, 16, discharging pipe, 17, pan feeding pipe, 18, outer tube motor, 19, inner tube motor, 20, mix the stirring rake, 21, inner tube closure plate, 22, outer tube closure plate, 23, powder discharge opening, 24, terminal discharge opening.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in fig. 1 to 4, the automatic mixing device for processing waterproof paint of the present invention comprises a cylindrical mixing tank 1, a feeding pipe 17 communicated with the bottom of the mixing tank 1, an outer pipe 3 vertically axially connected in the mixing tank 1, and an inner pipe 2 axially connected in the outer pipe 3, wherein the mixing tank 1 is vertically arranged, the feeding pipe 17 injects liquid into the mixing tank 1, the outer pipe 3 and the inner pipe 2 are concentric with the mixing tank 1, and the inner diameter of the outer pipe 3 is 3 times of the outer diameter of the inner pipe 2.

Outer tube 3 and 2 counter rotations of inner tube, the lower extreme of outer tube 3 and inner tube 2 all stretches out to 1 lower extreme of blending tank, and the lower extreme of inner tube 2 is less than the lower extreme of outer tube 3, and inner tube 2 is connected with inner tube motor 19 bottom, and inner tube motor 19 passes through the belt and drives the rotation of inner tube 2, and outer tube 3 is connected with outer tube motor 18 bottom, and outer tube motor 18 passes through the belt and drives the rotation of outer tube 3.

3 outer wall rigid couplings of outer tube have a plurality of income powder stirred tube 4 that set up along the circumference equipartition, go into powder stirred tube 4 in this embodiment and be provided with 8, go into powder stirred tube 4 and be the pipe and perpendicular with 3 axes of outer tube.

Go into powder agitator tube 4 outer end rigid coupling have connect all annular pan feeding shells 6 of going into powder agitator tube 4, as shown in fig. 2 and 4, annular pan feeding shell 6 is annular and outer lane size the same with 1 inner circle of blending tank, and one side that annular pan feeding shell 6 is close to 1 inner wall of blending tank is the cavity, be equipped with the sealing washer with 1 inner wall adaptation of blending tank on the annular pan feeding shell 6 to make the outer lane of annular pan feeding shell 6 and the sealed laminating of 1 inner wall of blending tank, annular pan feeding shell 6 constitutes annular and inclosed income powder chamber with 1 inner wall of blending tank, and annular pan feeding shell 6 is followed and is gone into powder agitator tube 4 and together rotatory, goes into the powder chamber and keeps airtight throughout in the rotation process, thereby prevents that liquid from getting into in the powder chamber.

The mixing tank 1 is communicated with a powder feeding pipe 9 communicated with the powder inlet cavity, the powder feeding pipe 9 in the embodiment is provided with 8 powder feeding pipes and uniformly distributed along the circumferential direction of the mixing tank 1, and the powder enters the powder inlet cavity through the powder feeding pipe 9, so that the powder inlet cavity is annular and full of the powder.

Go into powder agitator tube 4's outer end and go into powder chamber intercommunication, go into powder agitator tube 4 and be equipped with helical conveying blade 5 in, helical conveying blade 5's outer end stretches into to going into the powder chamber to through helical conveying blade 5's rotation, can be with going into the powder in the powder chamber to the inner direction transport of income powder agitator tube 4.

The inner rigid coupling of screw transport blade 5 has the driven gear 7 who stretches into between outer tube 3 and the inner tube 2, and driven gear 7 fixes in screw transport blade 5's central pivot, and the place that the outer tube 3 was passed in central pivot is equipped with the sealing washer, prevents that the powder from getting into the outer tube, the rigid coupling has the driving gear 8 with driven gear 7 meshing on the inner tube 2, and driving gear 8 and driven gear 7 are bevel gear, because outer tube 3 and inner tube 2 reverse rotation, drive screw transport blade 5 rotatory.

The powder feeding stirring pipe 4 is provided with a plurality of powder discharging holes 23, the powder discharging holes 23 are formed in the lower end face of the powder feeding stirring pipe 4 and are arranged along the length direction of the powder feeding stirring pipe 4, and when powder moves under the conveying of the spiral conveying blade 5, the powder is dispersed and discharged into liquid through the powder discharging holes 23.

The inner end of the powder feeding stirring pipe 4 is provided with a tail end discharge hole 24, and the tail end discharge hole 24 is larger than the powder discharge hole 23.

Go into powder agitator tube 4 and be located 3 lower extremes of outer tube, the rigid coupling has a plurality of mixing paddles 20 on the outer tube 3, and the powder gets into mixing tank 1 inside back, stirs through the rotation of going into powder agitator tube 4 earlier, then follows liquid and rises after carrying out further stirring and mixes through mixing paddles 20.

Open 3 upper ends of outer tube has outer tube pan feeding hole 11, and outer tube pan feeding hole 11 is provided with a plurality ofly along 3 circumference of outer tube, it has the inner tube pan feeding hole 10 that is located the driving gear 8 top to open on the inner tube 2, and the rigid coupling has the inner tube closure plate 21 that is located inner tube pan feeding hole 10 below in the inner tube 2, and the outer rigid coupling of inner tube 2 has outer tube closure plate 22 with sealed between outer tube 3 and the inner tube 2, outer tube closure plate 22 is located between inner tube pan feeding hole 10 and the driving gear 8.

The rigid coupling has a plurality of inner tube stirring rake 12 on the inner tube 2, and 3 inner wall rigid couplings of outer tube have a plurality of outer tube stirring rakes 13, and inner tube stirring rake 12 and outer tube stirring rake 13 are crisscross to be set up, and inner tube stirring rake 12 and outer tube stirring rake 13 all are located between outer tube pan feeding hole 11 and the inner tube pan feeding hole 10.

The secondary mixing tank 15 is equipped with to blending tank 1 upper end, and 2 upper ends of inner tube stretch into to the secondary mixing tank 15 in, the rigid coupling has the secondary stirring rake 14 that is located the secondary mixing tank 15 on the inner tube 2.

The side wall of the secondary mixing tank 15 is communicated with a discharge pipe 16, and the discharge pipe 16 is communicated with the position, close to the upper end, of the side wall of the secondary mixing tank 15, so that liquid enters the secondary mixing tank 15, is stirred by the secondary stirring paddle 14 and then is discharged through the discharge pipe 16.

A method of mixing using an automated mixing device:

it is rotatory around the center to drive into powder agitator tube through the outer tube, because outer tube and inner tube counter-rotation, and driven gear meshing is on the driving gear, make the auger delivery blade rotatory, the powder entering in the powder pan feeding pipe goes into the powder chamber, carry to the center through auger delivery blade, and mix through the liquid inside that the powder discharge opening got into the blending tank, it still plays the effect of stirring to go into the powder agitator tube simultaneously, make powder and liquid misce bene, constantly inject new liquid into the blending tank through the pan feeding pipe, make mixing operation continuous operation.

Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.