CN217047231U

CN217047231U - Three-component mixing and spraying system

Info

Publication number: CN217047231U
Application number: CN202220233123.XU
Authority: CN
Inventors: 相明华
Original assignee: Shaoxing Huachuang Polyurethane Co ltd
Current assignee: Shaoxing Huachuang Polyurethane Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-07-26
Anticipated expiration: 2032-01-26

Abstract

The utility model provides a three components mix spouts material system, relates to and mixes and spouts material technical field, including spouting the work or material rest, the lower fixed surface who spouts the work or material rest is connected with the motor, the output shaft fixedly connected with auger blade of department of motor, the lower fixed surface of motor is connected with the blending bunker. This three components are mixed and are spouted material system and be provided with reflux unit, when the feed inlet of both sides is first with feed inlet two when beginning to carry out the feeding to the blending bunker inside simultaneously, can flow in to the blending bunker through the feed inlet, open the motor this moment, thereby the motor can drive the rotation of auger blade and mix the stirring to the inside different materials of blending bunker, and promote its discharging device department removal downwards simultaneously, the whole back flow that can pass through the blending bunker both sides of mixture material returns the blending bunker front end when the blending bunker is inside not being full of the mixture material yet, thereby increase the degree of mixing between to two kinds of different materials, increase polyurethane foam's shaping stability.

Description

Three-component mixing and spraying system

Technical Field

The utility model relates to a mix and spout material technical field, specifically be a three components mix spouts material system.

Background

The polyurethane rigid foam is a high molecular polymer which is prepared by mixing isocyanate and polyether serving as main raw materials through special equipment under the action of various auxiliary agents such as a foaming agent, a catalyst, a flame retardant and the like and performing high-pressure spraying and on-site foaming, wherein the polyurethane has two types of soft foam and hard foam, the soft foam is in an open-cell structure, and the hard foam is in a closed-cell structure; soft foams are classified into skinned and non-skinned.

In the field spraying of polyurethane foam, high-pressure spraying is required on the field aiming at various raw materials of the polyurethane foam, and the polyurethane foam which is not uniformly mixed often has the problems of cracking, shrinkage, crispness, softness, heartburn, cracking, smoking and the like.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Not enough to prior art, the utility model provides a material system is spouted in three component mixes has solved the problem that above-mentioned background art mentioned.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a three-component mixed material spraying system comprises a material spraying frame, wherein a motor is fixedly connected to the lower surface of the material spraying frame, an auger blade is fixedly connected to an output shaft of the motor, a material mixing bin is fixedly connected to the lower surface of the motor, a backflow device is arranged at the upper end of the right surface of the material mixing bin, and a discharging device is arranged at the lower surface of the material mixing bin;

the right surface of blending bunker rotates and is connected with feed inlet one, the left surface of blending bunker rotates and is connected with feed inlet two.

Preferably, the back of the material spraying frame is fixedly connected with a feeding device main body, and the left surface of the feeding device main body is fixedly connected with a pressure gauge.

Preferably, the reflux unit comprises a fixing block, a through hole penetrating through the fixing block is formed in the outer surface of the fixing block, the lower surface of the fixing block is fixedly connected with a mixing bin, the right end of the inner surface of the mixing bin is fixedly connected with a one-way valve, and the outer surface of the one-way valve is fixedly connected with a reflux pipe.

Preferably, the discharging device comprises a rotating block, a return spring is fixedly connected to the lower surface of the rotating block, and a discharging pipe is fixedly connected to one end, far away from the rotating block, of the return spring.

Preferably, the upper surface of the discharge pipe is communicated with a mixing bin, and the lower end of the inner surface of the mixing bin is fixedly connected with an inclined block.

Advantageous effects

The utility model provides a material system is spouted in three component mixing. The method has the following beneficial effects:

(1) this three components mix spouts material system and is provided with reflux unit, when the feed inlet of both sides is first with feed inlet two when beginning to carry out the feeding to the blending bunker inside simultaneously, can flow in to the blending bunker through the feed inlet, open the motor this moment, thereby the motor can drive the rotation of auger blade and mix the stirring to the inside different materials of blending bunker, and promote its discharging device department removal downwards simultaneously, the whole back flow that can pass through the blending bunker both sides of mixture material returns the blending bunker front end when the blending bunker is inside not being full of the blending bunker yet, thereby increase the degree of mixing between to two kinds of different materials, increase polyurethane foam's shaping stability.

(2) This three-component mixing spouts material system is provided with discharging device, material through auger blade compounding flows to the below when changeing piece department, because reset spring's pressure, therefore discharging pipe department is initial can not directly begin the ejection of compact, only when the inside misce bene of blending bunker is sufficient and pressure is greater than reset spring thrust, reset spring just can produce the shrink, change the piece this moment and open, sufficient material of pressure then can spout to the position that needs carry out the spraying of polyurethane foam, thereby the unstable spraying effect that influences polyurethane foam of pressure when preventing to spout the material.

Drawings

Fig. 1 is a schematic structural view of a cross section of the present invention;

FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 3 is a schematic view of the fixing block of the present invention;

fig. 4 is an enlarged schematic view of the position B of the present invention.

In the figure: 1. a material spraying frame; 2. a reflux device; 3. a discharging device; 4. a first feeding hole; 5. a screw blade; 6. a mixing bin; 7. a feeding device main body; 8. a motor; 9. a pressure gauge; 10. a second feeding hole; 201. a fixed block; 202. a one-way valve; 203. a return pipe; 204. a through hole; 301. rotating the block; 302. a sloping block; 303. a return spring; 304. and (4) discharging the pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a three-component mixing and spraying system comprises a spraying frame 1, wherein a motor 8 is fixedly connected to the lower surface of the spraying frame 1, an auger blade 5 is fixedly connected to an output shaft of the motor 8, and the side surface of the auger blade 5 is attached to the inner wall of a mixing bin 6, so that when the auger blade 5 rotates, materials in the mixing bin 6 can be pushed to move downwards, a mixing bin 6 is fixedly connected to the lower surface of the motor 8, a backflow device 2 is arranged at the upper end of the right surface of the mixing bin 6, a discharging device 3 is arranged on the lower surface of the mixing bin 6, a first feeding port 4 is fixedly connected to the right surface of the mixing bin 6, a second feeding port 10 is fixedly connected to the left surface of the mixing bin 6, different materials can enter the mixing bin 6 through the first feeding port 4 and the second feeding port 10 which are different in two sides, and therefore, the feeding ports of the opposite sides can be prevented from being polluted by different materials, a feeding device main body 7 is fixedly connected to the back surface of the spraying frame 1, can control the pressure of inside material through this feed arrangement main part 7 to can ensure that both sides material carries out the feeding with definite ratio, also can let in the middle of two sets of different materials with refrigerated carbon dioxide gas when the feeding simultaneously, the left surface fixedly connected with manometer 9 of feed arrangement main part 7, the pressure of inside material carries out real-time supervision when can be to the feeding through this manometer 9, thereby the convenience is in time discover when equipment goes wrong.

In this embodiment, the backflow device 2 includes a fixed block 201, a through hole 204 is formed on the outer surface of the fixed block 201, a mixing bin 6 is fixedly connected to the lower surface of the fixed block 201, a check valve 202 is fixedly connected to the right end of the inner surface of the mixing bin 6, the check valve 202 can prevent materials from directly flowing to the bottom of the mixing bin 6 without mixing during mixing, thereby affecting the mixing effect, a backflow pipe 203 is fixedly connected to the outer surface of the check valve 202, the three-component mixing and spraying system is provided with the backflow device 2, when a first feed inlet 4 and a second feed inlet 10 on two sides start to feed materials into the mixing bin 6 at the same time, the materials can flow into the mixing bin 6 through the feed inlets, at this time, the motor 8 is turned on, the motor 8 can drive the auger blade 5 to rotate, thereby mixing and stirring different materials in the mixing bin 6, and simultaneously push the auger blade to move towards the discharging device 3, when the mixing material is not filled in the mixing material bin 6, the mixture material can return to the front end of the mixing material bin 6 through the return pipes 203 at two sides of the mixing material bin 6, so that the mixing degree of two different materials is increased, and the forming stability of polyurethane foam is improved.

In this embodiment, the discharging device 3 includes a rotating block 301, the rotating block 301 seals the mixing bin 6 when the air pressure inside the mixing bin 6 is small, thereby preventing impurities in the air from polluting the mixing bin 6, a return spring 303 is fixedly connected to the lower surface of the rotating block 301, the return spring 303 can reset the rotating block 301 when the rotating block 301 is not subjected to external force, thereby ensuring the sealing inside the mixing bin 6, a discharging pipe 304 is fixedly connected to one end of the return spring 303 far away from the rotating block 301, the upper surface of the discharging pipe 304 is communicated with the mixing bin 6, an inclined block 302 is fixedly connected to the lower end of the inner surface of the mixing bin 6, a through groove is formed on the inner surface of the inclined block 302 and connected with a return pipe 203, thereby polyurethane foam which is not uniformly mixed initially can be returned to the front end of the mixing bin 6, the three-component mixing and spraying system is provided with the discharging device 3, when the material mixed by the auger blades 5 flows to the lower rotating block 301, because reset spring 303's pressure, consequently discharging pipe 304 department is initial can not directly begin the ejection of compact, only when 6 inside mixtures of blending bunker are abundant and pressure is greater than reset spring 303 thrust, reset spring 303 just can produce the shrink, and the commentaries on classics piece 301 is opened this moment, and the material that pressure is sufficient then can be spouted to the position that needs carry out the spraying of polyurethane foam to unstable spraying effect that influences polyurethane foam of pressure when preventing to spout the material.

When the mixing device works, when the first feeding port 4 and the second feeding port 10 on the two sides start to feed materials into the mixing bin 6 at the same time, the materials flow into the mixing bin 6 through the feeding ports, at the moment, the motor 8 is turned on, the motor 8 drives the auger blade 5 to rotate so as to mix and stir different materials in the mixing bin 6, and simultaneously pushes the material to move to the lower discharging device 3, and when the material mixed by the auger blade 5 flows to the lower rotating block 301, because of the pressure of the return spring 303, the discharging pipe 304 does not start to discharge directly initially, and the whole mixed material returns to the front end of the mixing silo 6 through the return pipes 203 at the two sides of the mixing silo 6, only when the mixed material in the mixing silo 6 is full and the pressure is greater than the thrust of the return spring 303, the return spring 303 can contract, the rotating block 301 is opened at the moment, and the material with sufficient pressure can be sprayed to the position where polyurethane foam spraying is needed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A three-component mixed spraying system comprises a spraying frame (1), and is characterized in that a motor (8) is fixedly connected to the lower surface of the spraying frame (1), an auger blade (5) is fixedly connected to an output shaft of the motor (8), a mixing bin (6) is fixedly connected to the lower surface of the motor (8), a backflow device (2) is arranged at the upper end of the right surface of the mixing bin (6), and a discharging device (3) is arranged on the lower surface of the mixing bin (6);

the right surface of blending bunker (6) is fixed and is connected with feed inlet (4) one, the left surface fixed connection of blending bunker (6) is connected with feed inlet two (10).

2. The three-component mixing and spraying system according to claim 1, wherein a feeding device body (7) is fixedly connected to the back surface of the spraying frame (1), and a pressure gauge (9) is fixedly connected to the left surface of the feeding device body (7).

3. The three-component mixing and spraying system as claimed in claim 1, wherein the backflow device (2) comprises a fixing block (201), a through hole (204) is formed in an outer surface of the fixing block (201), a mixing material bin (6) is fixedly connected to a lower surface of the fixing block (201), a check valve (202) is fixedly connected to a right end of an inner surface of the mixing material bin (6), and a backflow pipe (203) is fixedly connected to an outer surface of the check valve (202).

4. The three-component mixing and spraying system according to claim 1, wherein the discharging device (3) comprises a rotating block (301), a return spring (303) is fixedly connected to the lower surface of the rotating block (301), and a discharging pipe (304) is fixedly connected to one end, far away from the rotating block (301), of the return spring (303).

5. The three-component mixing and spraying system as claimed in claim 4, wherein the upper surface of the discharging pipe (304) is connected to a mixing material bin (6), and an inclined block (302) is fixedly connected to the lower end of the inner surface of the mixing material bin (6).