A press stirring self-painting device for high solid content low surface treatment wet-cured epoxy paint

Abstract

This invention discloses a press-and-stir self-spraying device for high-solids-content, low-surface-treatment, moisture-curing epoxy coatings, belonging to the field of self-spraying paint can technology. It includes: a can body, a dividing circular plate, a puncture device, a nozzle, a spring, a rigid circular tube, and a stirring tube. The dividing circular plate is disposed within the can body, dividing it into a component A space and a component B space. The rigid circular tube passes through the top wall of the can body and the dividing circular plate, extending into the component B space. The puncture device is mounted on the rigid circular tube. The stirring tube rotates on the bottom wall of the can body, with the rigid circular tube extending into it. A guide column slides in a spiral guide groove. A feed hole is provided on the bottom side wall of the stirring tube, and a stirring rod is provided on the side wall of the stirring tube. The nozzle is mounted on the top of the rigid circular tube and communicates with it. The spring is disposed between the nozzle and the top wall of the can body. This invention allows the nozzle to be pressed while the guide column slides in the spiral guide groove, and under the action of the spring, the stirring tube is driven to repeatedly stir the two components.

Description

Technical Field

[0001] This invention belongs to the field of self-spraying paint can technology, and particularly relates to a press-stirring self-spraying paint device for high-solids-content, low-surface-treatment, wet-curing epoxy coatings. Background Technology

[0002] Spray paint cans are a common paint spraying tool. The air pressure inside the can is higher than the external atmospheric pressure; spraying is achieved by pressing the nozzle on top of the can. Currently, most spray paint cans only contain single-component spray paint. Single-component spray paint cannot meet the demands of harsh environments. For example, oil tanks in oil depots need to be repaired and reused, but these depots are constantly exposed to low temperature and high humidity or high temperature and high humidity environments. Conventional single-component spray paints are ill-suited to the high humidity conditions. Therefore, two-component spray paints with high solids content, low surface treatment, and moisture-curing epoxy resin coatings are needed. Existing two-component spray paint cans still rely on shaking the can to mix the two components using glass beads inside. This method of mixing using glass beads does not ensure thorough mixing of the two components, thus failing to achieve the desired effect of a two-component spray paint. Summary of the Invention

[0003] In view of this, the present invention provides a press-stir self-spraying device for high-solids-content, low-surface-treatment, wet-curing epoxy coatings to solve the above problems.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A pressure-stirring self-spraying device for high-solids-content, low-surface-preparation, moisture-curing epoxy coatings includes: a tank, a dividing circular plate, a piercing device, a nozzle, a spring, a rigid circular tube, and a stirring tube. The dividing circular plate is disposed within the tank, dividing the tank into a component A space and a component B space, both of which are filled with high-pressure inert gas. The rigid circular tube passes through the top wall of the tank and the dividing circular plate, extending into the component B space. The piercing device is mounted on the rigid circular tube, positioned above the dividing circular plate. The stirring tube is vertically rotatably connected to the bottom wall of the tank. Guide posts are respectively provided on both sides of the bottom end of the rigid circular tube. Two spiral guide grooves are provided on the inner wall of the stirring tube. The bottom end of the rigid circular tube extends into the stirring tube, and the guide posts slide in the spiral guide grooves. Multiple feed holes are provided on the bottom side wall of the stirring tube, and multiple stirring rods are evenly provided on the side wall of the stirring tube. The nozzle is installed at the top of the rigid circular tube and communicates with the rigid circular tube. The spring is provided between the nozzle and the top wall of the tank.

[0006] Furthermore, a turntable is provided at the bottom end of the stirring tube, and a rotating groove is provided on the bottom wall of the tank, with the turntable rotatably connected in the turntable.

[0007] Furthermore, the piercing device includes a support plate and piercing needles. The support plate is fixedly installed on the rigid circular tube, and a plurality of piercing needles are evenly distributed at the bottom end of the support plate. The piercing needles are capable of piercing the dividing circular plate.

[0008] Furthermore, the piercing device includes a support plate and piercing needles. The support plate is slidably mounted on the rigid cylindrical tube, and a limiting plate is fixedly mounted on the rigid cylindrical tube. The limiting plate is located above the support plate, and the lower surface of the limiting plate abuts against the upper surface of the support plate. A plurality of piercing needles are evenly distributed at the bottom end of the support plate and communicate with the top end of the support plate. The peripheral edge of the support plate is provided with protrusions, and a plurality of material leakage holes are provided in the support plate. A cover is provided on the support plate, and the cover covers the material leakage holes. The piercing needles pierce the cover and insert into the material leakage holes, and the edge of the support plate is embedded in the protrusions.

[0009] Furthermore, the air pressure in the A component space is greater than the air pressure in the B component space.

[0010] Furthermore, component A is placed in the component A space, and component B is placed in the component B space;

[0011] Component A comprises the following components by weight: 25-40 parts epoxy resin, 5 parts flexible resin, 0.3-0.5 parts dispersant, 0.2 parts defoamer, 2 parts anti-settling agent, 1 part organic bentonite, 20-30 parts chemical anti-rust pigment, 0.7 parts fumed silica, 20-30 parts main anti-rust filler, 0.6 parts rust conversion agent, 0.5-1 part silane coupling agent, 0.2 parts leveling agent, and 5-10 parts organic solvent;

[0012] Component B comprises the following components by weight: 15-20 parts of modified polyamide curing agent, 40-60 parts of modified aliphatic amine curing agent, and 15-20 parts of organic solvent.

[0013] The beneficial effects of this invention are as follows:

[0014] This invention enables the spray nozzle to be pressed, compressing the spring and moving the rigid cylindrical tube downwards. The piercing device then pierces the separating plate, causing component A to fall into the space containing component B and mix with it. Simultaneously, the guide post at the bottom of the rigid cylindrical tube slides in the spiral guide groove on the inner wall of the mixing tube, driving the mixing tube to rotate. Releasing the spray nozzle allows the spring force to drive both the spray nozzle and the rigid cylindrical tube upwards, causing the guide post at the bottom of the rigid cylindrical tube to slide again in the spiral guide groove on the inner wall of the mixing tube, thus reversing the rotation of the mixing tube. This invention allows for thorough mixing of the two components during spraying, and by combining the inherent chemical properties of components A and B, it further improves the spraying effect of high-solids-content, low-surface-treatment, moisture-curing epoxy coatings. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the internal structure of a press-stirred self-spraying device for a high-solids-content, low-surface-treatment, wet-curing epoxy coating.

[0017] Figure 2 for Figure 1 A magnified view of part A in the image.

[0018] Figure 3 This is a schematic diagram of a rigid circular tube.

[0019] Figure 4 This is a schematic diagram of the stirring tube.

[0020] Figure 5 This is a top view of the stirring tube.

[0021] Figure 6 for Figure 5 BB cross-sectional view.

[0022] In the figure:

[0023] 10-Tank body, 11-Component A space, 12-Component B space, 13-Turntable, 20-Divider plate, 21-Protrusion, 22-Leakage hole, 30-Piercing device, 31-Support plate, 32-Piercing needle, 40-Nozzle, 50-Spring, 60-Rigid round tube, 61-Guide column, 62-Limiting plate, 70-Stirring tube, 71-Spiral guide groove, 72-Feed hole, 73-Stirring rod, 74-Turntable, 80-Cover. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] Example 1

[0026] See attached document Figure 1 , 4 As shown in Figure 6, this invention provides a pressure-stirring self-spraying device for high-solids-content, low-surface-treatment, moisture-curing epoxy coatings, comprising: a tank 10, a dividing circular plate 20, a piercing device 30, a spray nozzle 40, a spring 50, a rigid circular tube 60, and a stirring tube 70. The dividing circular plate 20 is disposed inside the tank 10, dividing the tank 10 into a component A space 11 and a component B space 12, both of which are filled with high-pressure inert gas. The rigid circular tube 60 passes through the top wall of the tank 10 and the dividing circular plate 20, extending into the component B space 12. The piercing device 30 is mounted on the rigid circular tube 60, located at... Above the dividing circular plate 20; the stirring tube 70 is vertically rotatably connected to the bottom wall of the tank 10, and guide posts 61 are respectively provided on both sides of the bottom end of the rigid circular tube 60. The inner wall of the stirring tube 70 is provided with two spiral guide grooves 71. The bottom end of the rigid circular tube 60 extends into the stirring tube 70, and the guide posts 61 slide in the spiral guide grooves 71. Multiple feed holes 72 are provided on the bottom side wall of the stirring tube 70, and multiple stirring rods 73 are evenly provided on the side wall of the stirring tube 70; the nozzle 40 is installed at the top of the rigid circular tube 60 and communicates with the rigid circular tube 60, and the spring 50 is provided between the nozzle 40 and the top wall of the tank 10.

[0027] Pressing the nozzle 40 compresses the spring 50, causing the rigid tube 60 to move downwards. The piercing device 30 pierces the separating plate 20, causing component A to fall into the component B space 12 and mix with component B. Simultaneously, the guide post 61 at the bottom of the rigid tube 60 slides in the spiral guide groove 71 on the inner wall of the stirring tube 70, thereby driving the stirring tube 70 to rotate. During this process, the nozzle 40 is connected to the outside atmosphere, and the air pressure inside the tank 10 sprays out the mixed paint. Releasing the nozzle 40 causes the nozzle 40 and the rigid tube 60 to move upwards under the elastic force of the spring 50, causing the guide post 61 at the bottom of the rigid tube 60 to slide in the spiral guide groove 71 on the inner wall of the stirring tube 70 again, causing the stirring tube 70 to rotate in the opposite direction. Repeatedly press the nozzle 40 to spray the paint. During the process, whether the nozzle 40 compresses the spring 50 downward or the spring 50 drives the nozzle 40 and the rigid round tube 60 to move upward, the stirring rod 73 on the stirring tube 70 can fully stir the two components in the tank 10.

[0028] In a preferred embodiment, a turntable 74 is provided at the bottom end of the stirring tube 70, and a rotating groove 13 is provided on the bottom wall of the tank body 10. The turntable 74 is rotatably connected in the rotating groove 13, and the stirring tube 70 rotates in the rotating groove 13 through the turntable 74, which prevents the stirring tube 70 from moving radially when the nozzle 40 is pressed, thereby making the rotation of the stirring tube 70 more stable.

[0029] In a preferred embodiment, the piercing device 30 includes a support plate 31 and piercing needles. The support plate 31 is fixedly mounted on the rigid circular tube 60, and multiple piercing needles are evenly distributed at the bottom end of the support plate 31. The piercing needles can pierce the dividing circular plate 20. The support plate 31 is made of a material that can be easily pierced. As the rigid circular tube 60 moves downward, the support plate 31 is pierced by the piercing needles, and component A falls into the component B space 12 through the pierced support plate 31, where it mixes with component B.

[0030] In a preferred embodiment, the pressure of the high-pressure inert gas filling the A component space 11 is greater than the pressure of the high-pressure inert gas filling the B component space 12, which allows component A to enter the B component space 12 more quickly after the support plate 31 is punctured.

[0031] In a preferred embodiment, component A space 11 holds component A, and component B space 12 holds component B.

[0032] Component A comprises the following components by weight: 25-40 parts epoxy resin, 5 parts flexible resin, 0.3-0.5 parts dispersant, 0.2 parts defoamer, 2 parts anti-settling agent, 1 part organic bentonite, 20-30 parts chemical anti-rust pigment, 0.7 parts fumed silica, 20-30 parts main anti-rust filler, 0.6 parts rust conversion agent, 0.5-1 part silane coupling agent, 0.2 parts leveling agent, and 5-10 parts organic solvent;

[0033] Component B comprises the following components by weight: 15-20 parts of modified polyamide curing agent, 40-60 parts of modified aliphatic amine curing agent, and 15-20 parts of organic solvent.

[0034] The mixture of components A and B above enables paint spraying in a moisture-curing environment with low surface preparation.

[0035] Example 2

[0036] See attached document Figure 1-6As shown, the difference between this embodiment and Embodiment 1 lies in the puncture device 30. The puncture device 30 in this embodiment includes a support plate 31 and puncture needles 32. The support plate 31 is slidably mounted on a rigid circular tube 60. A limiting plate 62 is fixedly mounted on the rigid circular tube 60. The limiting plate 62 is located above the support plate 31, and the lower surface of the limiting plate 62 abuts against the upper surface of the support plate 31. Multiple puncture needles 32 are evenly distributed at the bottom end of the support plate 31 and communicate with the top end of the support plate 31. The peripheral edge of the support plate 31 is provided with protrusions 21. Multiple leakage holes 22 are provided in the support plate 31. A cover is provided on the support plate 31, which covers the leakage holes 22. The cover is also made of an easily puncturable material and is pasted on the upper surface of the support plate 31 to prevent component A gas from entering component B space 12 through the leakage holes 22. The puncture needles 32 puncture the cover and insert into the leakage holes 22, and the edge of the support plate 31 is embedded in the protrusions 21.

[0037] In this embodiment, to prevent the piercing needle from repeatedly entering and exiting the piercing hole on the separating circular plate 20 along with the support plate 31 and the rigid circular tube 60, thus causing obstruction of the flow of component A to component B space 12, in this embodiment, initially, the bottom end of the piercing needle tube 32 abuts against the cover. When the nozzle 40 is pressed, the limiting plate 62 pushes the support plate 31 downward, and the piercing needle tube 32 moves downward with the support plate 31, piercing the cover on the support plate 31, until the nozzle 40 is pressed to its limit. At this point, the limiting plate 62 embeds the edge of the support plate 31 into the protrusion 21. When the nozzle 40 is released, the support plate 31 will not move with the rigid circular tube 60, and the rigid circular tube 60 is slidably connected to the support plate 31, without affecting the up and down movement of the rigid circular tube 60. After the support plate 31 is embedded into the protrusion 21 of the partition circular plate 20, component A in component A space 11 falls from the upper surface of the support plate 31 through the puncture needle 32 into component B space 12, where it is thoroughly stirred and mixed with component B.

[0038] The above descriptions are merely specific embodiments of the present invention, and common knowledge regarding the specific structures and characteristics of the solutions is not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of the present invention, and these should also be considered within the scope of protection of the present invention. These modifications and improvements will not affect the effectiveness of the implementation of the present invention or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

[0039] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to the method section.

[0040] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pressurized agitator self-painting device for high solid low surface treatment wet-cured epoxy paint, characterized by, include: The tank (10), the dividing disc (20), the piercing device (30), the nozzle (40), the spring (50), the rigid tube (60), and the stirring tube (70) are arranged inside the tank (10) to divide the tank (10) into a component A space (11) and a component B space (12). Both the component A space (11) and the component B space (12) are filled with high-pressure inert gas. The rigid tube (60) passes through the top wall of the tank (10) and the dividing disc (20) and extends into the component B space (12). The piercing device (30) is installed on the rigid tube (60) and is located above the dividing disc (20). The stirring tube (70) rotates vertically. Connected to the bottom wall of the tank (10), the rigid round tube (60) has guide posts (61) on both sides of its bottom end. The inner wall of the stirring tube (70) has two spiral guide grooves (71). The bottom end of the rigid round tube (60) extends into the stirring tube (70), and the guide posts (61) slide in the spiral guide grooves (71). The bottom side wall of the stirring tube (70) has multiple feed holes (72), and multiple stirring rods (73) are evenly arranged on the side wall of the stirring tube (70). The nozzle (40) is installed at the top of the rigid round tube (60) and communicates with the rigid round tube (60). The spring (50) is located between the nozzle (40) and the top wall of the tank (10).

2. A pressurized mixing self-painting device for high solid low surface treatment wet-cured epoxy paint according to claim 1, characterized in that, The bottom end of the stirring tube (70) is provided with a turntable (74), and the bottom wall of the tank (10) is provided with a rotating groove (13), and the turntable (74) is rotatably connected in the rotating groove (13).

3. A pressurized mixing self-painting device for high solid low surface treatment wet-cured epoxy paint according to claim 1, characterized in that, The piercing device (30) includes a support plate (31) and piercing needles. The support plate (31) is fixedly installed on the rigid circular tube (60). A plurality of piercing needles are evenly distributed at the bottom end of the support plate (31). The piercing needles are capable of piercing the dividing circular plate (20).

4. A press-stir self-painting device for high solid low surface treatment wet-cured epoxy paint according to claim 1, characterized in that, The puncture device (30) includes a support plate (31) and a puncture needle tube (32). The support plate (31) is slidably mounted on the rigid round tube (60). A limiting plate (62) is fixedly mounted on the rigid round tube (60). The limiting plate (62) is located above the support plate (31). The lower surface of the limiting plate (62) abuts against the upper surface of the support plate (31). Multiple puncture needles (32) are evenly distributed at the bottom end of the support plate (31) and communicate with the top end of the support plate (31). The peripheral edge of the support plate (31) is provided with protrusions (21). Multiple material leakage holes (22) are provided in the support plate (31). A cover (80) is provided on the support plate (31). The cover (80) covers the material leakage holes (22). The puncture needles (32) puncture the cover (80) and insert into the material leakage holes (22). The edge of the support plate (31) is embedded in the protrusions (21).

5. A pressurized agitator self-painting device for high solid low surface treatment wet-cured epoxy paint according to claim 1, characterized in that, The air pressure in component A space (11) is greater than the air pressure in component B space (12).

6. A pressurized agitator self-painting device for high solid low surface treatment wet-cured epoxy paint according to claim 1, characterized in that, The A component space (11) holds component A, and the B component space (12) holds component B; Component A comprises the following components by weight: 25-40 parts epoxy resin, 5 parts flexible resin, 0.3-0.5 parts dispersant, 0.2 parts defoamer, 2 parts anti-settling agent, 1 part organic bentonite, 20-30 parts chemical anti-rust pigment, 0.7 parts fumed silica, 20-30 parts main anti-rust filler, 0.6 parts rust conversion agent, 0.5-1 part silane coupling agent, 0.2 parts leveling agent, and 5-10 parts organic solvent; Component B comprises the following components by weight: 15-20 parts of modified polyamide curing agent, 40-60 parts of modified aliphatic amine curing agent, and 15-20 parts of organic solvent.

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