CN116173768B

CN116173768B - Multi-component raw material mixing and stirring device for coating processing

Info

Publication number: CN116173768B
Application number: CN202310429390.3A
Authority: CN
Inventors: 欧阳吉伟
Original assignee: Shenzhen Wenhao Technology Co ltd
Current assignee: Shenzhen Wenhao Technology Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-07-07
Anticipated expiration: 2043-04-21
Also published as: CN116173768A

Abstract

The invention relates to a stirring device, in particular to a multi-component raw material mixing and stirring device for paint processing. The device comprises a supporting table for providing a mounting position for a driving motor, wherein the supporting table is fixed on a bracket through a supporting column; the utility model provides a stirring efficiency that drive motor's output coaxial coupling has the (mixing) shaft that penetrates in the staving, (mixing) shaft outer lane connection stirring vane, agitating unit still including setting up the compounding device in the staving for among the multicomponent raw materials mixing stirring device of coating processing, utilize stirring vane to rotate the air current that produces to drive the raw materials blowout, because the effect of atmospheric pressure, the spun raw materials has certain impact force to the guide through the row material pipe makes multiple raw materials strike the collision, so that obtain premixing before taking part in stirring work between multiple raw materials, thereby improve the stirring.

Description

Multi-component raw material mixing and stirring device for coating processing

Technical Field

The invention relates to a stirring device, in particular to a multi-component raw material mixing and stirring device for paint processing.

Background

The paint is a traditional name in China. The paint is a continuous film which is coated on the surface of the protected or decorated object and can form firm adhesion with the coated object, and is usually a viscous liquid prepared by using resin, oil or emulsion as main materials, adding or not adding pigment and filler, adding corresponding auxiliary agents and using organic solvent or water.

In the processing of coatings, it is necessary to mix a plurality of raw materials, for example, a plurality of different pigments, into a colored coating by means of a mixer.

Chinese patent publication No. CN106582366a discloses a paint stirring barrel, which comprises a barrel body and a barrel cover, wherein the top end of the barrel cover symmetrically extends upwards to form a first suspender and a second suspender, the first suspender and the second suspender are fixedly connected to a paint dispersing machine through a first flange plate and a second flange plate, and a through hole passing through a stirring shaft of the paint dispersing machine is arranged at the central position of the top of the barrel cover. The barrel cover can be fixed on the paint dispersing machine through the hanging rod and the flange plate, and can be lifted and lowered together with the stirring shaft of the paint dispersing machine, and the barrel cover is covered in the dispersing process, so that the effects of dust prevention and pollution prevention are achieved, and the barrel cover is lifted together with the stirring shaft after the dispersing process is finished, so that the stirring barrel can be moved and replaced conveniently.

However, since a plurality of raw materials are required for processing the coating, the above patent can only pour one raw material at a time when pouring the raw materials, which results in layering state of the raw materials before processing when pouring the plurality of raw materials, and thus, a longer stirring time is required during processing, thereby affecting the mixing efficiency.

Disclosure of Invention

The invention aims to provide a multi-component raw material mixing and stirring device for paint processing, which is used for solving the problems in the background technology.

In order to achieve the above object, there is provided a multi-component raw material mixing and stirring device for paint processing, comprising a support table for providing a mounting position for a driving motor, the support table being fixed on a bracket through a support column; the output coaxial coupling of driving motor has the (mixing) shaft that penetrates in the staving, (mixing) shaft outer lane connection stirring vane, agitating unit is still including setting up the compounding device in the staving, compounding device includes at least:

the storage part is used for storing raw materials, and a discharge pipe for guiding the raw materials to meet is arranged at the bottom of the storage part;

the air flow generated by the rotation of the stirring blade is guided to the guiding part in the storage part, so that raw materials in the storage part are discharged through the discharge pipe under the action of air pressure and mutually impacted.

As a further improvement of the technical scheme, the outer ring of the stirring shaft is coaxially and fixedly connected with a rotary table, the rotary table is positioned at the junction of the raw materials, and the rotation of the stirring shaft is utilized to generate centrifugal force to throw out the crossed raw materials.

As a further improvement of the technical scheme, the top of the barrel body is provided with a barrel cover which is sleeved on the outer ring of the stirring shaft in a sliding way, a plurality of air transmission cavities are arranged between the inner ring and the outer ring of the barrel body, and two ends of each air transmission cavity are provided with through holes communicated with the inside of the barrel body.

As a further improvement of the technical scheme, the guide part comprises a flow gathering cover which is sleeved on the periphery of the stirring shaft and is positioned above the stirring blades; the bottom of the flow gathering cover is provided with an opening for collecting air flow, the side wall of the flow gathering cover is communicated with a plurality of flow guide pipes, and the flow guide pipes are used for guiding the air flow to the through holes.

As a further improvement of the technical scheme, the storage part comprises a storage disc fixedly arranged above the inner ring of the barrel body, the storage disc is of an annular structure, and a plurality of storage chambers are arranged in the storage disc; when the barrel cover is covered, the barrel cover encloses the storage chamber into a closed state; the bottom and the side wall of each storage chamber are provided with an outlet and an inlet; the inlet is used for being communicated with a through hole at the top end of the gas transmission cavity, the outlet is used for being communicated with the discharge pipe, one end of the discharge pipe is inclined towards the stirring shaft, the storage part further comprises a blocking device for controlling raw material discharge in the storage chamber, and when gas in the gas transmission cavity flows into the storage chamber, the blocking device discharges raw material in the storage chamber.

As a further improvement of the technical scheme, the blocking device is an air valve positioned at the inlet, two ends of the air valve are slidably connected with straight rods, two ends of the straight rods are fixed on two opposite sides of the storage chamber, a compression spring is arranged between the air valve and one end of the straight rods, and the side wall of the air valve is also connected with a cover plate covered at the top of the outlet.

As a further improvement of the technical scheme, the blocking device is an end cover, the end cover is hinged to the end part of the discharge pipe through a connecting shaft arranged at the end part of the discharge pipe, and a reset piece is arranged between the end cover and the connecting shaft to control the opening and closing of the end cover at the end part of the discharge pipe.

As a further improvement of the technical scheme, the reset piece is a reset spring, one end of the reset spring is connected with the end part of the connecting shaft, and the other end of the reset spring is connected with the side wall of the reset spring.

As a further improvement of the technical scheme, a drainage cover is arranged at the periphery of the stirring blade in the barrel body, is of a tubular structure with two through ends, and is provided with a reserved gap with the bottom of the barrel body; a reflux cavity is further formed between the inner wall and the outer wall of the barrel body, the top end of the reflux cavity is communicated with the gas transmission cavity, and the bottom end of the reflux cavity is provided with a reflux port communicated with the inside of the barrel body.

As a further improvement of the technical scheme, a plurality of suction ports are formed in the top of the flow guide pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. in the multi-component raw material mixing and stirring device for coating processing, the raw materials are driven to be sprayed out by utilizing the air flow generated by rotation of the stirring blade, and the sprayed raw materials have a certain impact force due to the action of air pressure, and the various raw materials are impacted and collided through the guide of the discharging pipe, so that the various raw materials are premixed before participating in stirring, and the stirring efficiency is improved.

2. In this a multicomponent raw materials mixing stirring device for coating processing, strengthen the gaseous velocity of flow in the staving through setting up the drainage cover, make the raw materials that is stirred can get into the honeycomb duct in to discharge through backward flow chamber and backward flow mouth, form circulation stirring, make the contact between raw materials and the raw materials more abundant, thereby improved the degree of consistency that the raw materials mixes.

3. In this a multicomponent raw materials mixing stirring device for coating processing, the gaseous high-speed flow in the honeycomb duct can make the powdery raw materials inhale in the honeycomb duct through the suction inlet to reduce the float time of powdery raw materials, improved stirring mixed efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a barrel according to the present invention;

FIG. 3 is a schematic view of a tray according to the present invention;

FIG. 4 is a schematic view of a part of the structure of a tray according to the present invention;

FIG. 5 is an enlarged schematic view of the structure of the discharge pipe A of FIG. 4 according to the present invention;

FIG. 6 is a schematic view of a flow guide tube according to the present invention;

FIG. 7 is a schematic diagram of the flow direction of the gas in the tub according to the present invention;

fig. 8 is a schematic view of the flow direction of the material in the barrel according to the present invention.

The meaning of each reference sign in the figure is:

100. a tub body; 101. an air delivery chamber; 102. a through port; 103. a reflow chamber; 104. a return port;

110. a barrel cover; 111. a stirring shaft; 112. stirring blades; 113. a turntable;

120. a bracket; 121. a support column; 122. a support table; 123. a driving motor;

200. a mixing device;

210. a storage tray; 211. a storage chamber; 212. an outlet; 213. an inlet; 214. a discharge pipe; 215. a valve; 216. a straight rod; 217. a cover plate; 220. a flow guiding pipe; 221. a flow gathering cover; 222. a suction port;

230. a connecting shaft; 231. an end cap; 232. a return spring; 240. a drainage cover.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 and 2, a multi-component raw material mixing and stirring device for paint processing is provided, which comprises a bracket 120 for supporting a barrel 100, a supporting table 122 for providing a mounting position for a driving motor 123 is arranged above the bracket 120, and the supporting table 122 is fixedly connected with the bracket 120 through a supporting column 121; then, the output end of the driving motor 123 is coaxially connected with a stirring shaft 111 penetrating into the barrel body 100, and the outer ring of the stirring shaft 111 is connected with stirring blades 112. During stirring, the driving motor 123 drives the stirring blade 112 to rotate through the stirring shaft 111, so that the raw materials in the barrel body 100 are mixed.

The stirring device further comprises a mixing device 200 arranged in the barrel body 100, and the mixing device 200 at least comprises:

a storage part for storing raw materials, wherein a discharge pipe 214 for guiding raw materials to meet is arranged at the bottom of the storage part;

the air flow generated by the rotation of the stirring blade 112 is guided to the guide portion in the stock storage portion so that the raw materials in the stock storage portion are discharged through the discharge pipe 214 and collide with each other by the air pressure.

Wherein, the outer ring of the stirring shaft 111 is coaxially and fixedly connected with a turntable 113, the turntable 113 is positioned at the junction of the raw materials, and the rotation of the stirring shaft 111 is utilized to generate centrifugal force to throw out the crossed raw materials, so that the raw materials are premixed before participating in the stirring work.

That is, the raw materials are driven to be sprayed by the air flow generated by the rotation of the stirring blade 112, and the sprayed raw materials have a certain impact force due to the air pressure, and the various raw materials are impacted and collided by the guide of the discharging pipe 214, so that the various raw materials are premixed before being involved in the stirring work, thereby improving the stirring efficiency.

Fig. 2 to 6 show embodiment 1 of the present invention.

In this embodiment, as shown in fig. 2, a barrel cover 110 is disposed at the top of a barrel body 100, the barrel cover 110 is slidably sleeved on an outer ring of a stirring shaft 111, a plurality of air conveying chambers 101 are disposed between an inner ring and an outer ring of the barrel body 100, and two ends of the air conveying chambers 101 are provided with through holes 102 communicated with the interior of the barrel body 100;

as shown in fig. 6, the guide part includes a flow gathering cover 221 which is sleeved on the outer circumference of the stirring shaft 111 and is positioned above the stirring blades 112, the bottom of the flow gathering cover 221 is provided with an opening, and when the stirring blades 112 rotate, the stirring blades 112 push the air flow to the flow gathering cover 221 and gather there; then, the side wall of the flow gathering cover 221 is communicated with a plurality of flow guiding pipes 220, one end of each flow guiding pipe 220 is fixed on the inner wall of the barrel body 100 and is communicated with the through hole 102 at the bottom end of the gas transmission cavity 101, and at the moment, the gathered gas flow enters the gas transmission cavity 101 through the flow guiding pipes 220.

The gas entering the gas transmission cavity 101 needs to exert pressure on the raw materials, so that the raw materials are discharged under the action of the gas pressure and have impact force, and the pretreatment of raw materials in feeding is completed by utilizing the impact force and the centrifugal force of the turntable 113. Wherein, the raw materials are stored in the storage part, please refer to fig. 2-5:

the storage part comprises a storage disc 210 fixedly arranged above the inner ring of the barrel body 100, the storage disc 210 is of an annular structure, a plurality of storage chambers 211 are partitioned into a plurality of parts by a plurality of partition boards arranged in the storage disc to store different raw materials, and when the barrel cover 110 is covered down, the barrel cover 110 encloses the storage chambers 211 into a closed state; and the bottom and the side wall of each storage chamber 211 are provided with an outlet 212 and an inlet 213; an inlet 213 is located on the outer periphery of the tray 210 for communication with the port 102 at the top end of the gas delivery chamber 101, and an outlet 212 is for communication with a discharge tube 214. On the other hand, the storage part further includes a blocking device for controlling the discharge of the raw material in the storage chamber 211, and the blocking device discharges the raw material in the storage chamber 211 when the gas in the gas transmission chamber 101 flows into the storage chamber 211.

Referring to fig. 7, the air flow in the air delivery cavity 101 enters the storage chamber 211 through the through hole 102 and the inlet 213 to trigger the blocking device, so that the raw materials in the storage chamber 211 are accelerated to be discharged from the discharge pipe 214 under the action of the air flow, and one end of the discharge pipe 214 is inclined to the stirring shaft 111, so that various raw materials are discharged to the storage chamber 211, and impact is generated, and the raw materials are thrown to the inner wall of the barrel body 100 through the rotating turntable 113 after impact, and then fall to the bottom of the barrel body 100 for stirring by the stirring blades 112.

It should be noted that a plurality of stirring blades 112 may be provided, so that the stirring blade 112 at the top may not contact the raw material when the raw material is less, that is, may not participate in the stirring operation, but may be used to separately provide the air flow to the mixing device 200 to increase the strength of the air flow.

FIG. 4 shows an embodiment of a blocking device, in which the blocking device is a valve 215 located at an inlet 213, two ends of the valve 215 are slidably connected with a straight rod 216, two ends of the straight rod 216 are fixed at two opposite sides of a storage chamber 211, a compression spring is arranged between the valve 215 and one end of the straight rod 216, the compression spring provides thrust force for the valve 215 to move towards the inlet 213, and when no airflow exists in the gas transmission cavity 101, the valve 215 shields the inlet 213; when there is air current, the air current promotes the valve 215, and the lateral wall of valve 215 still is connected with the apron 217 that covers the top of export 212, and after valve 215 was promoted, valve 215 carried apron 217 one end and breaks away from export 212, and the raw materials in the storage chamber 211 just is discharged through discharge pipe 214 this moment.

Fig. 5 shows another embodiment of the blocking device, in which the blocking device is an end cap 231, the end cap 231 is hinged to the end of the discharge pipe 214 through a connecting shaft 230 provided at the end of the discharge pipe 214, and a reset member is provided between the end cap 231 and the connecting shaft 230 to control the opening and closing of the end cap 231 at the end of the discharge pipe 214.

The reset piece can adopt a reset spring 232 shown in fig. 5, one end of the reset spring 232 is connected with the end part of the connecting shaft 230, and the other end is connected with the side wall of the reset spring 232;

magnets may also be used, such as in the end cap 231 and at the end of the discharge tube 214.

The working principles of the two modes are the same, namely when air flow exists in the storage chamber 211, the air pressure in the storage chamber 211 is increased to generate thrust to the end cover 231, so that the reset spring 232 is forced to deform or the two magnets are separated, and the end cover 231 is opened at the moment; when no air flow exists, the return spring 232 is reset or the two magnets attract each other to drive the end cover 231 to reset so as to close the end of the discharge pipe 214.

Example 2 to improve the uniformity of the mixing of the raw materials, the present invention provides another embodiment of the stirring device, please refer to fig. 8 in combination with example 1:

in the figure, a drainage cover 240 is arranged at the periphery of the stirring blade 112 inside the barrel body 100, the drainage cover 240 is of a tubular structure with two through ends, is fixed at the bottom of the barrel body 100 through a supporting block at the bottom, and is provided with a reserved gap with the bottom of the barrel body 100 for backflow of stirring. On the other hand, a backflow cavity 103 is further formed between the inner wall and the outer wall of the barrel body 100, the top end of the backflow cavity 103 is communicated with the air transmission cavity 101, and the bottom end of the backflow cavity is provided with a backflow port 104 communicated with the interior of the barrel body 100.

In this way, the stirring vane 112 pushes the gas upwards in the drainage cover 240, the gas enters the flow guide 220, is discharged through the backflow port 104 after passing through the backflow cavity 103 to circulate, negative pressure is conveniently formed under the drainage cover 240, the gas in the drainage cover 240 forms convection, and the stirring vane 112 rotates thrust, so that the raw material in the drainage cover 240 is pushed into the flow guide 220 and flows into the backflow cavity 103 through the flow guide 220, and is then discharged to the bottom of the stirring vane 112 through the backflow port 104, and the raw material is continuously driven upwards under the action of the negative pressure to realize the circulation stirring of the raw material.

Therefore, the flow velocity of the gas in the barrel body 100 is enhanced by the drainage cover 240, so that the stirred raw materials can enter the flow guide pipe 220 and be discharged through the backflow cavity 103 and the backflow port 104, and the circulating stirring is formed, so that the raw materials are contacted more fully, and the uniformity of mixing the raw materials is improved.

Example 3 the invention provides a further embodiment of a stirring device, as shown in connection with fig. 8 on the basis of example 1:

when the powdery raw material is required to be stirred, the raw material floats in the tub 100 and is contacted with other raw materials for a long time, and for this reason, a plurality of suction ports 222 are formed at the top of the guide pipe 220. In this way, the negative pressure generated at the suction port 222 during the flowing process of the gas in the flow guide pipe 220 sucks the gas in the barrel body 100, and other raw materials in the suction port 222 are convenient to contact after the suction, and participate in the mixing operation under the adsorption of other raw materials. That is, the high-speed flow of the gas in the draft tube 220 can suck the powdery raw material into the draft tube 220 through the suction port 222, thereby reducing the floating time of the powdery raw material and improving the stirring and mixing efficiency.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The multi-component raw material mixing and stirring device for coating processing comprises a supporting table (122) for providing a mounting position for a driving motor (123), wherein the supporting table (122) is fixed on a bracket (120) through a supporting column (121); the output coaxial coupling of driving motor (123) has (111) stirring axle (111) that penetrate in staving (100), stirring vane (112), its characterized in that are connected to (111) outer lane: the stirring device further comprises a mixing device (200) arranged in the barrel body (100), and the mixing device (200) at least comprises:

the storage part is used for storing raw materials, and a discharge pipe (214) for guiding the raw materials to meet is arranged at the bottom of the storage part;

the air flow generated by the rotation of the stirring blade (112) is guided to a guiding part in the storage part, so that raw materials in the storage part are discharged through a discharge pipe (214) under the action of air pressure and mutually impacted;

the top of the barrel body (100) is provided with a barrel cover (110) which is sleeved on the outer ring of the stirring shaft (111) in a sliding way, a plurality of air conveying cavities (101) are formed between the inner ring and the outer ring of the barrel body (100), and two ends of each air conveying cavity (101) are provided with through holes (102) communicated with the inside of the barrel body (100);

the guide part comprises a flow gathering cover (221) sleeved on the periphery of the stirring shaft (111) and positioned above the stirring blades (112); the bottom of the flow collecting cover (221) is provided with an opening for collecting air flow, the side wall of the flow collecting cover is communicated with a plurality of flow guiding pipes (220), and the flow guiding pipes (220) are used for guiding the air flow to the position of the through hole (102);

the storage part comprises a storage disc (210) fixedly arranged above the inner ring of the barrel body (100), the storage disc (210) is of an annular structure, and a plurality of storage chambers (211) are formed in the storage disc; when the barrel cover (110) is covered, the barrel cover (110) encloses the storage chamber (211) into a closed state; the bottom and the side wall of each storage chamber (211) are provided with an outlet (212) and an inlet (213); the inlet (213) is used for being communicated with a through hole (102) at the top end of the gas transmission cavity (101), the outlet (212) is used for being communicated with a discharge pipe (214), one end of the discharge pipe (214) is inclined towards the stirring shaft (111), the storage part further comprises a blocking device used for controlling raw materials in the storage chamber (211) to be discharged, and when gas in the gas transmission cavity (101) flows into the storage chamber (211), the blocking device discharges the raw materials in the storage chamber (211);

the inner part of the barrel body (100) is provided with a drainage cover (240) at the periphery of the stirring blade (112), the drainage cover (240) is of a tubular structure with through upper and lower ends, and a reserved gap is arranged between the drainage cover and the bottom of the barrel body (100); a backflow cavity (103) is further formed between the inner wall and the outer wall of the barrel body (100), the top end of the backflow cavity (103) is communicated with the gas transmission cavity (101), and a backflow port (104) communicated with the inside of the barrel body (100) is formed in the bottom end of the backflow cavity.

2. The multi-component raw material mixing and stirring device for paint processing according to claim 1, wherein: the outer ring of the stirring shaft (111) is coaxially and fixedly connected with a rotary table (113), the rotary table (113) is positioned at the junction of the raw materials, and the rotation of the stirring shaft (111) is utilized to generate centrifugal force to throw out the crossed raw materials.

3. The multi-component raw material mixing and stirring device for paint processing according to claim 1, wherein: the blocking device is a valve (215) positioned at the inlet (213), two ends of the valve (215) are connected with a straight rod (216) in a sliding mode, two ends of the straight rod (216) are fixed on two opposite sides of the storage chamber (211), a compression spring is arranged between the valve (215) and one end of the straight rod (216), and a cover plate (217) covering the top of the outlet (212) is further connected to the side wall of the valve (215).

4. The multi-component raw material mixing and stirring device for paint processing according to claim 1, wherein: the blocking device is an end cover (231), the end cover (231) is hinged to the end part of the discharge pipe (214) through a connecting shaft (230) arranged at the end part of the discharge pipe (214), and a reset piece is arranged between the end cover (231) and the connecting shaft (230) to control the opening and closing of the end cover (231) at the end part of the discharge pipe (214).

5. The multi-component raw material mixing and stirring device for paint processing according to claim 4, wherein: the reset piece is a reset spring (232), one end of the reset spring (232) is connected with the end part of the connecting shaft (230), and the other end of the reset spring is connected with the side wall of the reset spring (232).

6. The multi-component raw material mixing and stirring device for paint processing according to claim 1, wherein: a plurality of suction ports (222) are formed in the top of the guide pipe (220).