Solvent-free coating pumping and spraying system
By introducing a stirring component into the solventless paint pumping and spraying system, the meshing connection between the fixed and rotating toothed discs drives the stirring shaft to revolve and rotate. Combined with the double helix structure of the stirring blades, the problem of paint condensation or adhesion in the tank is solved, achieving a more efficient paint spraying effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-03-24
AI Technical Summary
In existing solvent-free paint pumping and spraying devices, the paint is prone to solidification or adhesion in the tank, which affects the spraying effect.
A solvent-free coating pumping and spraying system was designed, including a stirring assembly. The meshing connection between a fixed toothed disc and a rotating toothed disc drives the stirring shaft to revolve and rotate. Combined with the double helix structure of the stirring blades, the coating is uniformly stirred, and the coating is scraped off the inner wall of the tank by a scraper to prevent the coating from solidifying.
It effectively prevents the paint from condensing or sticking in the container, improves the spraying effect and mixing efficiency, and ensures the uniformity of the paint.
Smart Images
Figure CN224025407U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to solventless coating spraying technical field, concretely is a kind of solventless coating pumping spraying system. BACKGROUND
[0002] Solventless coatings (Solventless coatings) also be called active solvent coating, it is a kind of environmental protection coating that solvent becomes coating component finally, and does not discharge VOC to atmosphere in the process of solidification and film formation, and solventless coating needs to use solventless coating spraying system when using.
[0003] The existing solventless coating pumping spraying device generally includes a bucket, a material pump and a spray gun, the material pump extracts solventless coating from the bucket, and sprays out through the spray gun to complete the spraying work. However, the existing solventless coating pumping spraying device, because the material is stored in the bucket for a long time, it is easy to condense or adhere to the inner wall of the bucket, thereby affecting the spraying effect. Therefore, a solventless coating pumping spraying system is proposed. SUMMARY
[0004] The utility model discloses a kind of solventless coating pumping spraying systems, to solve the problem raised in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of solventless coating pumping spraying system, comprising: substrate,
[0006] Spraying assembly is arranged on the outer wall of the tank at the top of the substrate, which is used to assist the spraying of solventless coating.
[0007] The stirring assembly is arranged inside the tank at the top of the substrate, which is used to stir the solventless coating to prevent it from condensing or adhering to the inner wall of the tank.
[0008] The stirring assembly includes a fixed gear disc, which is located on the inner wall of the tank. A fixed disc is arranged at the top of the fixed gear disc. A rotating shaft is arranged on the inner side of the fixed disc, and a plurality of merging columns and a fixed shaft are arranged at the bottom end of the fixed disc. A hanging disc and a hollow disc are arranged on the outer wall of the bottom end of the merging column. A rotating gear disc is arranged on the outer wall of the fixed shaft. The rotating gear disc and the fixed gear disc are connected by meshing.
[0009] As a specific solution in the technical scheme of the present application, the bottom end of the fixed shaft is provided with a fixed ring, and the outer wall of the fixed ring is provided with a rotating gear disc. A stirring shaft is arranged at the bottom end of the rotating gear disc. A plurality of stirring blades are arranged on the outer wall of the stirring shaft. The stirring blades are arranged in a spiral double-molecule structure on the stirring shaft.
[0010] As a specific scheme of the technical scheme in the application, the outer wall of the bottom end of the stirring shaft is provided with a round bottom plate, the inner side of the round bottom plate is provided with a fixing rod, the outer wall of the fixing rod is provided with a plurality of arc-shaped bottom plates, and scrapers are arranged between the arc-shaped bottom plates.
[0011] As a specific scheme of the technical scheme in the application, the spraying assembly comprises a discharge pipe, the discharge pipe is located in the inner side of the tank, one end of the discharge pipe penetrates through the tank and is connected with the pump body, the pump body is connected with the valve through a connecting pipe, one end of the valve is provided with a conveying pipe, the other end of the conveying pipe is provided with a spray gun, and the spray gun is located on the hanger of the outer wall of the tank.
[0012] As a specific scheme of the technical scheme in the application, one side of the tank is provided with a blowdown pipe connected with a blowdown valve, the outer wall of the tank is provided with a storage plate, the bottom end of the storage plate is provided with a plurality of supporting legs, and the outer wall close to the top end of the storage plate is connected with a feeding hopper.
[0013] Compared with the prior art, the application has the following beneficial effects:
[0014] The solvent-free coating pumping and spraying system can drive the rotating gear plate to revolve around the rotating shaft under the cooperation of the fixed disc and the fixed shaft, then can drive the rotating gear plate to rotate under the meshing action of the rotating gear plate and the fixed gear plate, and then drive the stirring shaft to revolve and rotate, the revolving and rotating cooperation of the stirring shaft can overcome the "wrap shaft" phenomenon of single rotation, so that the coating is more uniformly stressed, the stirring blades have a double-helix structure and can generate more complex fluid motion modes, including axial and radial flow, so that the stirring efficiency is improved, and the scraper at the bottom end of the hollow disc can be driven to rotate in the rotating process of the rotating shaft, so that the inner wall of the tank can be scraped, and then the coating can be prevented from condensing or adhering in the tank, and the spraying effect of the coating is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is an isometric view of the application;
[0016] Figure 2 It is an isometric view of the application;
[0017] Figure 3 It is a tank cross-sectional view of the application;
[0018] Figure 4 It is a tank internal cross-sectional front view of the application;
[0019] Figure 5 It is a tank internal cross-sectional top view of the application;
[0020] Figure 6 It is a stirring shaft cross-sectional view of the application;
[0021] Figure 7 Figure 1 is a schematic view of the upper part of the material tank according to the present application.
[0022] In the figure: 1, base plate; 101, material tank; 2, spraying assembly; 201, feeding hopper; 202, storage plate; 203, supporting leg; 204, hanging rack; 205, conveying pipe; 206, blowdown valve; 207, blowdown pipe; 208, valve; 209, discharging pipe; 210, pump body; 211, connecting pipe; 212, spray gun; 3, stirring assembly; 301, stirring shaft; 302, scraper; 303, round bottom plate; 304, arc-shaped bottom plate; 305, fixed disc; 306, rotating shaft; 307, stirring blade; 308, fixed rod; 309, merging column; 310, fixed tooth disc; 311, hollow disc; 312, rotating tooth disc; 313, fixed shaft; 314, fixed ring; 315, hanging disc. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used for differentiation in description, and cannot be understood as indicating or implying relative importance. The electrical components appearing in the text are all electrically connected with a master controller and 220V mains, and the master controller can be a conventional known device such as a computer which can be controlled.
[0025] In the description of the embodiments of the present application, it should be noted that the directions or position relationships indicated by the terms "inner", "outer", "upper", etc. are based on the directions or position relationships shown in the drawings, or the directions or position relationships in which the product of the present application is usually placed, which are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the indicated device or component must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as limiting the present application.
[0026] As Figures 1-7As shown, the utility model provides a technical scheme: a kind of solventless coating pumping spraying system, including substrate 1, substrate 1 bottom end four corners are provided with brake universal wheel, it is convenient to move the device, and brake after moving, since brake universal wheel is prior art, no more here, and substrate 1 top end side is provided with push handle, for helping staff to assist device to move, substrate 1 is used to provide support and accommodate environment for device, spraying assembly 2, setting in the outer wall of tank 101 of substrate 1 top end, for assisting solventless coating to carry out spraying operation, stirring assembly 3, setting in the inside of tank 101 of substrate 1 top end, for stirring solventless coating, avoid its condensation or adhesion in tank 101 inner wall.
[0027] As Figures 1-7 As shown in the embodiment of the application, the stirring assembly 3 includes a fixed tooth disc 310, which is located on the inner wall of the tank 101. The top end of the fixed tooth disc 310 is provided with a fixed disc 305. The inside of the fixed disc 305 is provided with a rotating shaft 306, and the bottom end is provided with a plurality of merging columns 309 and a fixed shaft 313. The bottom end outer wall of the merging column 309 is provided with a hanging disc 315 and a hollow disc 311. The outer wall of the fixed shaft 313 is provided with a rotating tooth disc 312. The rotating tooth disc 312 is meshed and connected between the fixed tooth disc 310. Specifically, the fixed tooth disc 310 is fixed on the inner wall of the tank 101. The top end of the rotating shaft 306 penetrates the top end of the tank 101 and is connected with the output end of the motor. The motor drives the rotating shaft 306 to rotate. The rotating shaft 306 is fixedly connected with the fixed disc 305, so that the rotating shaft 306 rotates while driving the fixed disc 305 to rotate. The bottom end of the fixed disc 305 is fixedly provided with the fixed shaft 313 and the merging column 309, so as to synchronously drive the fixed shaft 313 and the merging column 309 to rotate around the rotating shaft 306. During the rotating process, the relative position of the fixed shaft 313 and the merging column 309 remains unchanged. That is, the setting of the merging column 309 does not affect the rotation of the fixed shaft 313. The rotating tooth disc 312 on the outer wall of the fixed shaft 313 rotates along the fixed tooth disc 310 during the rotation of the fixed shaft 313. The rotating tooth disc 312 is meshed and connected with the fixed tooth disc 310. The track of the fixed shaft 313 and the merging column 309 is the area between the hollow disc 311 and the hanging disc 315. The merging column 309 is fixedly connected with the hollow disc 311, so that the merging column 309 rotates while driving the hollow disc 311 to rotate. That is, when the rotating shaft 306 rotates, the hollow disc 311 and the rotating tooth disc 312 are indirectly driven to rotate.
[0028] As Figures 1-7As shown in the embodiments of the present application, it should be noted that the rotating shaft 306 and the hanging disc 315 can be fixedly connected or rotatably connected, the hanging disc 315 plays a role of auxiliary support for the rotating gear disc 312, and forms an active area of the stirring shaft 301 together with the hollow disc 311, and the same is true for the merging column 309, the connection between the merging column 309 and the hanging disc 315 can be movable or fixed, because the merging column 309 mainly drives the hollow disc 311 to rotate, therefore, the connection mode between the merging column 309 and the hanging disc 315 will not affect the movement state of the hollow disc 311.
[0029] As shown in the embodiments of the present application, it should be noted that the rotating shaft 306 and the hanging disc 315 can be fixedly connected or rotatably connected, the hanging disc 315 plays a role of auxiliary support for the rotating gear disc 312, and forms an active area of the stirring shaft 301 together with the hollow disc 311, and the same is true for the merging column 309, the connection between the merging column 309 and the hanging disc 315 can be movable or fixed, because the merging column 309 mainly drives the hollow disc 311 to rotate, therefore, the connection mode between the merging column 309 and the hanging disc 315 will not affect the movement state of the hollow disc 311. Figures 1-7 As shown, the fixed shaft 313 is provided with a fixed ring 314 at the bottom end of the outer wall, the fixed ring 314 is provided with a rotating gear disc 312 at the outer wall, the rotating gear disc 312 is provided with a stirring shaft 301 at the bottom end, the stirring shaft 301 is provided with a plurality of stirring blades 307 at the outer wall, the stirring blades 307 are arranged in a spiral double-molecule structure on the stirring shaft 301, specifically, the fixed shaft 313 is rotatably connected with the rotating gear disc 312 under the arrangement of the fixed ring 314, but because the fixed shaft 313 rotates around the rotating shaft 306 instead of self-rotation, the fixed shaft 313 will drive the rotating gear disc 312 to rotate along the inner wall of the fixed gear disc 310 in the process of rotation, and synchronously drive the rotating gear disc 312 to rotate around the rotating shaft 306, and because the rotating gear disc 312 is meshingly connected with the fixed gear disc 310, the rotating gear disc 312 will self-rotate when the rotating gear disc 312 rotates around the rotating shaft 306, the self-rotation of the rotating gear disc 312 will not affect the rotation of the fixed shaft 313 due to the existence of the fixed ring 314, the rotating gear disc 312 is fixedly connected with the stirring shaft 301 at the bottom end, therefore, the rotating gear disc 312 will synchronously drive the stirring shaft 301 to self-rotate when the rotating gear disc 312 drives the stirring shaft 301 to rotate around the rotating shaft 306, the stirring shaft 301 drives the stirring blades 307 to perform stirring operation on the paint in the process of rotation, the self-rotation and revolution of the stirring shaft 301 can overcome the "wrap shaft" phenomenon of single rotation, and the movement track covers the whole container, eliminates the "static area" or "dead zone" of traditional stirring, is suitable for high-viscosity or non-Newtonian fluid, the combination of the two makes the material force more uniform, can prevent particle sedimentation or agglomeration, the stirring blades 307 are designed to be arranged in a spiral double-molecule structure (i.e. double helix structure) along the stirring shaft 301, which can produce more complex fluid motion mode including axial and radial flow in the stirring process, thereby improving the stirring efficiency, and the double-helix stirring shaft 301 can cover a larger stirring area, reduce the mixing dead angle in the container, ensure uniform mixing of the material, and prevent the paint from accumulating or adhering in the stirring process.
[0030] As shown in the embodiments of the present application, it should be noted that the rotating shaft 306 and the hanging disc 315 can be fixedly connected or rotatably connected, the hanging disc 315 plays a role of auxiliary support for the rotating gear disc 312, and forms an active area of the stirring shaft 301 together with the hollow disc 311, and the same is true for the merging column 309, the connection between the merging column 309 and the hanging disc 315 can be movable or fixed, because the merging column 309 mainly drives the hollow disc 311 to rotate, therefore, the connection mode between the merging column 309 and the hanging disc 315 will not affect the movement state of the hollow disc 311. Figures 1-7As shown, in the embodiment of the present application, the outer wall of the bottom end of the stirring shaft 301 is provided with a round bottom plate 303, the inner side of the round bottom plate 303 is provided with a fixed rod 308, the outer wall of the fixed rod 308 is provided with a plurality of arc-shaped bottom plates 304, the arc-shaped bottom plates 304 are provided with scrapers 302, the top end of the scraper 302 is provided with a hollow disc 311, specifically, the round bottom plate 303 and the fixed rod 308 are rotationally connected, the fixed rod 308 is fixed to the inner wall of the bottom end of the material tank 101, and the round bottom plate 303 is in close contact with the inner wall of the bottom end of the material tank 101 under the extrusion of the stirring blade 307, and will not be separated from the inner wall of the bottom end of the material tank 101 due to the rotation of the stirring shaft 301, the stirring blades 307 at both ends of the stirring shaft 301 are different from the middle part, the stirring blades 307 at both ends are respectively in contact with the lower surface of the hollow disc 311 and the upper surface of the round bottom plate 303, so as to locally scrape the paint on the hollow disc 311 and the round bottom plate 303, under the joint action of the round bottom plate 303 and the arc-shaped bottom plate 304, the paint will not be in contact with the inner wall of the bottom end of the material tank 101, in the process of rotation of the stirring shaft 301, the stirring shaft 301 also synchronously drives the round bottom plate 303 to rotate, the stirring shaft 301 and the round bottom plate 303 are rotationally connected, the stirring blade 307 on the stirring shaft 301 limits the round bottom plate 303, so that it is in close contact with the inner wall of the bottom end of the material tank 101, in the process of rotation of the hollow disc 311, the hollow disc 311 will drive the scraper 302 to rotate, the scraper 302 is in contact with the inner wall of the material tank 101, so as to scrape the paint on the inner wall of the material tank 101, thereby avoiding the adhesion of the paint, and the scraper 302 is in the shape of a hill, which can move the scraped paint along the hill to the middle of the material tank 101, the bottom end of the scraper 302 and the arc-shaped bottom plate 304 are fixedly connected, and the arc-shaped bottom plate 304 is used for supporting the scraper 302.
[0031] As Figures 1-7As shown, in the embodiment of the present application, the spraying assembly 2 comprises a discharge pipe 209 which is located inside the paint tank 101, one end of the discharge pipe 209 penetrates through the paint tank 101 and is connected with a pump body 210, the pump body 210 is connected with a valve 208 through a connecting pipe 211, one end of the valve 208 is provided with a conveying pipe 205, the other end of the conveying pipe 205 is provided with a spray gun 212, the spray gun 212 is located on a hanger 204 of the outer wall of the paint tank 101, specifically, the hanger 204 is used to provide a setting environment for the spray gun 212, the hanger 204 is provided with a slot, when the spray gun 212 is set, the conveying pipe 205 is placed in the slot on the hanger 204 and is translated along the slot, when it is moved to the end of the slot, the spray gun 212 can be loosened, the spray gun 212 will be hung on the hanger 204, when the spraying operation is performed, the spray gun 212 is taken down, then the pump body 210 is started and the valve 208 is opened, at this time, the blow-off valve 206 is in a closed state, the paint in the paint tank 101 will be drawn out through the pump body 210, the paint flows along the discharge pipe 209, the connecting pipe 211 and the conveying pipe 205 and is finally sprayed out from the spray gun 212 to perform the paint operation, it should be noted that the spray gun 212 is made of special wear-resistant material, for example, the spray nozzle is made of hard alloy tungsten carbide, and the caliber of the spray nozzle can be replaced according to different spraying requirements, the motor, the valve 208, the blow-off valve 206 and the pump body 210 of the present application are connected with an external power supply and are controlled through a control system.
[0032] As Figures 1-7As shown, in the embodiment of the present application, the side of the tank 101 is provided with a blowdown pipe 207, the blowdown pipe 207 is connected with a blowdown valve 206, the outer wall of the tank 101 is provided with a storage plate 202, the bottom end of the storage plate 202 is provided with a plurality of support legs 203, and the outer wall close to the top end is connected with a feed hopper 201, specifically, the discharge pipe 209 is inclinedly arranged, which is convenient for the paint to enter the tank 101 and avoids the blockage of the discharge pipe 209 during the entering process, the blowdown pipe 207 is connected with the blowdown valve 206, and the blowdown valve 206 needs to be used when cleaning the inside of the tank 101, the sewage of the cleaning will flow out from the blowdown valve 206 through the blowdown pipe 207, and it should be noted that the blowdown valve 206 will be continuously in a closed state during the rest of the time, the storage plate 202 is used for placing the conveying pipe 205, after the spraying operation is completed, the staff can wind the conveying pipe 205 around the tank 101, so as to place the conveying pipe 205 on the storage plate 202, which avoids disorderly placing the conveying pipe 205 on the base plate 1 and winding together, and a certain time is needed to untangle the winding between the conveying pipes 205 during the spraying operation, which avoids unnecessary time waste, the storage plate 202 is installed on the outer wall of the tank 101 through the support legs 203, the base plate 1 is provided with a groove matched with the support legs 203, the groove is used for fixing the support legs 203, and the storage plate 202 is convenient to disassemble, if the staff does not need to use the storage plate 202, the storage plate 202 can be directly disassembled, which will not affect the main function of the device.
[0033] The working principle of the utility model is as follows:
[0034] When the paint spraying operation is carried out, the paint enters the tank 101 through the feed hopper 201, then the motor is started, the motor drives the rotating shaft 306 to rotate, the rotating shaft 306 drives the fixed disc 305 to rotate synchronously during rotation, the fixed disc 305 drives the fixed shaft 313 and the merging column 309 to rotate around the rotating shaft 306 when rotating, the fixed shaft 313 drives the rotating tooth disc 312 to rotate along the inner wall of the fixed tooth disc 310 during rotation, and the existence of the fixed ring 314 causes the stirring shaft 301 to also produce autorotation when rotating around the rotating shaft 306, the stirring shaft 301 drives the stirring blade 307 to stir the paint during rotation, and the merging column 309 drives the hollow disc 311 to rotate during rotation, the hollow disc 311 drives the scraper 302 to scrape the inner wall of the tank 101 at the same time, so as to avoid the adhesion of the paint, after stirring, the staff takes down the spray gun 212 from the hanger 204 to carry out the spraying operation, the pump body 210 and the valve 208 are started, the paint will move along the discharge pipe 209, the connecting pipe 211 and the conveying pipe 205 in turn, and finally sprayed from the spray gun 212.
[0035] The utility model discloses a kind of solventless coating pumping spray systems, it is related to solventless coating spray technical field. Including substrate 1, spray assembly 2, the outer wall of tank 101 being arranged at the top end of substrate 1, for assisting solventless coating to carry out spray operation, stirring assembly 3, tank 101 inside being arranged at the top end of substrate 1, for stirring solventless coating, avoid its condensation or adhesion in tank 101 inner wall.The utility model under the cooperation of fixed disc 305 and fixed shaft 313, can drive rotating gear disc 312 revolves around rotating shaft 306, then under the meshing of rotating gear disc 312 and fixed gear disc 310, can drive rotating gear disc 312 rotates, further drive stirring shaft 301 revolves and rotates, and stirring shaft 301 revolves and rotates collaborative operation can overcome single rotation's "wrap shaft" phenomenon, to make coating stress more uniform, and stirring vane 307 is double helix structure, can produce more complex fluid motion mode, including axial and radial flow, to improve stirring efficiency, and hollow disc 311 bottom end's scraper 302 can be driven to rotate in rotating shaft 306 rotating process, to scrape tank 101 inner wall, further can avoid coating condensation or adhesion in tank 101, improve the spray effect of coating.
[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the attached embodiments and their equivalents.
Claims
1. A solvent-free paint pumping and spraying system, comprising: The substrate is characterized by: The spraying assembly is located on the outer wall of the material tank at the top of the substrate and is used to assist in the spraying of solvent-free coatings. The stirring assembly, located inside the tank at the top of the substrate, is used to stir the solvent-free coating to prevent it from coagulating or sticking to the inner wall of the tank. The stirring assembly includes a fixed toothed disc located on the inner wall of the tank. A fixed plate is provided at the top of the fixed toothed disc, and a rotating shaft is provided on the inner side of the fixed plate. Several merging columns and the fixed shaft are provided at the bottom of the fixed plate. Suspension plates and hollow plates are provided on both sides of the outer wall of the bottom of the merging columns. A rotating toothed disc is provided on the outer wall of the fixed shaft. The rotating toothed disc and the fixed toothed disc are meshed together.
2. The solvent-free paint pumping and spraying system according to claim 1, characterized in that: A fixing ring is provided on the outer wall of the bottom end of the fixed shaft, a rotating toothed disk is provided on the outer wall of the fixing ring, a stirring shaft is provided at the bottom end of the rotating toothed disk, and several stirring blades are provided on the outer wall of the stirring shaft. The stirring blades are arranged in a helical bimolecular structure on the stirring shaft.
3. The solvent-free paint pumping and spraying system according to claim 2, characterized in that: The bottom outer wall of the stirring shaft is provided with a circular bottom plate, the inner side of the circular bottom plate is provided with a fixing rod, and the outer wall of the shaft is provided with several arc-shaped bottom plates. Scrapers are provided between the arc-shaped bottom plates, and hollow discs are provided at the top of the scrapers.
4. The solvent-free paint pumping and spraying system according to claim 1, characterized in that: The spraying assembly includes a discharge pipe located inside the material tank. One end of the discharge pipe passes through the material tank and is connected to the pump body. The pump body is connected to a valve through a connecting pipe. One end of the valve is equipped with a conveying pipe, and the other end of the conveying pipe is equipped with a spray gun. The spray gun is located on a bracket on the outer wall of the material tank.
5. The solvent-free paint pumping and spraying system according to claim 4, characterized in that: A drain pipe is provided on one side of the material tank, and the drain pipe is connected to a drain valve. A storage plate is provided on the outer wall of the material tank, and several support legs are provided at the bottom of the storage plate. A feed hopper is connected to the outer wall near the top.