Heat reflection coating mixing device

Abstract

The utility model discloses a heat reflection coating mixing device, which relates to the field of coating processing and comprises at least two rotating shafts arranged along the vertical direction; the stirring part is made of hastelloy, is detachably arranged on the side wall of the rotating shaft and comprises a first stirring fan blade and a second stirring fan blade which are arranged in the circumferential direction of the rotating shaft at an interval; the two ends, in the length direction, of the first stirring fan blade are arranged in a streamline mode to form a first bent face and a second bent face which are parallel to each other; the two ends, in the length direction, of the second stirring fan blade are arranged in a streamline mode to form a third bent face and a fourth bent face which are parallel to each other; and the bending included angle between the bending surface and the middle part of the stirring fan blade is greater than 90 degrees.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coating processing, specifically to a heat reflection coating mixing device. BACKGROUND

[0002] The manufacturing of general coating is generally divided into six steps of distributing raw materials, dispersing raw materials, grinding raw materials, color matching, testing and filtering, and packaging. According to the type of the produced paint, corresponding raw materials (film materials, pigments and fillers, solvents, additives, etc.) are selected for distribution. The distributed raw materials are generally placed in a storage barrel, and then all the raw materials are poured into a raw material dispersing device for dispersing and mixing different components of the raw materials. In the prior art, during the raw material dispersing (mixing) process, the driving shaft drives the rotating shaft and the stirring fan blade and other structures to stir and mix the raw materials in the barrel. During the mixing process, when the motor speed is too high or the coating concentration is too high, the two sides of the stirring fan blade perpendicular to the direction of the raw material movement have the maximum contact resistance, which can easily cause the fan blade root to bend or even break, thereby reducing the service life of the stirring fan blade.

[0003] Based on the above problems, someone invented a kind of reflection heat insulation coating mixing device with multi-shaft structure, Chinese utility model patent with application number 2023231533026 to solve the above problems. Through testing, the scheme has the following defects:

[0004] 1. The stirring part is made of stainless steel material, which has poor corrosion resistance when stirring high-corrosion coating, resulting in low service life.

[0005] 2. The stirring fan blade adopts a bending structure, and the stress is concentrated at the bending part during coating stirring. When high-strength stirring is performed, the stress is uneven, which can cause the fan blade to break, thereby reducing the service life. UTILITY MODEL CONTENTS

[0006] The purpose of the present application is to provide a technical solution to solve the problems raised in the background art.

[0007] To achieve the above-mentioned purpose, the present application provides the following technical solution:

[0008] A heat reflection coating mixing device, comprising: a rotating shaft arranged in a vertical direction, comprising at least two;

[0009] The stirring part made of hastelloy is detachably arranged on the side wall of the rotating shaft, and comprises first stirring fan blades and second stirring fan blades arranged at intervals in the circumferential direction of the rotating shaft.

[0010] The two ends of the first stirring fan blade along the length direction thereof are arranged in a streamline shape, forming a first curved surface and a second curved surface parallel to each other.

[0011] The two ends of the second stirring blade along the length direction are streamlined, forming a third curved surface and a fourth curved surface which are parallel to each other; the curved angle between the curved surface and the middle part of the stirring blade is greater than 90 degrees;

[0012] The curved direction of the first curved surface is opposite to that of the third curved surface;

[0013] The curved direction of the second curved surface is opposite to that of the fourth curved surface;

[0014] A plurality of material passing holes are uniformly distributed on the first stirring blade and the second stirring blade;

[0015] The unfolded size of the first stirring blade is smaller than that of the second stirring blade.

[0016] Preferably, the material passing holes on the first stirring blade and the material passing holes on the second stirring blade are staggered.

[0017] Preferably, the unfolded size of the first curved surface is smaller than that of the third curved surface;

[0018] The unfolded size of the second curved surface is smaller than that of the fourth curved surface.

[0019] Preferably, the curved angle of the first stirring blade and the second stirring blade is 120-130 degrees.

[0020] Preferably, a plurality of stirring parts are arranged along the axial direction of the rotating shaft.

[0021] Preferably, the stirring parts on the two rotating shafts are staggered.

[0022] Preferably, the utility model further comprises a feeding pipe arranged on the top of the stirring barrel, and the discharging end of the feeding pipe is aligned with the rotating shaft.

[0023] In summary, the technical effects and advantages of the utility model are as follows:

[0024] The heat-reflecting coating mixing device has the following advantages: the stirring part is made of hastelloy alloy, which has excellent corrosion resistance to various corrosive media, especially wet chlorine, oxidizing chloride, chlorinated salt solution, sulfuric acid and oxidizing salt, etc.; the hastelloy alloy not only has corrosion resistance, but also has excellent high-temperature resistance; the physical properties of the hastelloy alloy include high density (about 8.89 g / cm 3) and higher melting point, (1323-1371℃), its tensile strength between 690 to 783 MPa, good weldability and high oxidation resistance, mechanical properties, high strength and high toughness, and strain hardening tendency strong; the stirring fan blade is arranged in streamline shape, the main features of the streamline design include smooth lines and the function of reducing resistance;

[0025] 1. The stirring part of the scheme is made of hastelloy material, which has very high corrosion resistance when stirring high-corrosion paint, thereby prolonging the service life.

[0026] 2. The stirring fan blade of the scheme is arranged in streamline shape, the stress distribution is more uniform when stirring paint, and the fan blade will not break when high-strength stirring is performed, thereby improving the service life. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0028] Figure 1 It is a structure schematic view of the whole heat-reflecting paint mixing device.

[0029] Figure 2 It is a structure schematic view of the whole heat-reflecting paint mixing device.

[0030] Figure 3 It is a structure schematic view of the whole heat-reflecting paint mixing device.

[0031] Figure 4 It is a flow direction schematic view of the heat-reflecting paint mixing device inlet.

[0032] Figure 5 It is a flow direction schematic view of the heat-reflecting paint mixing device raw material into the stirring fan blade.

[0033] In the figure: 1, rotating shaft; 2, stirring barrel; 3, stirring part; 4, feeding pipe; 31, first stirring fan blade; 32, second stirring fan blade; 33, material passing hole; 311, first curved surface; 312, second curved surface; 321, third curved surface; 322, fourth curved surface; 41, discharge end. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described 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 of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0035] As shown in Figures 1-5 .

[0036] As shown in Figure 1 and Figure 2 , the embodiment of the present application provides a heat-reflecting coating mixing device, which comprises: rotating shafts 1 arranged in a stirring barrel 2, the top ends of the rotating shafts 1 are connected with a driving motor and a driving gear, the rotating shafts 1 are arranged in a vertical direction, and there are at least two rotating shafts 1, and the top end of each rotating shaft 1 is fixedly sleeved with a driven gear which is in mesh with the driving gear. The driving motor is fixed on the top end of the stirring barrel 2 through a fixed support.

[0037] A stirring part 3 is made of hastelloy, and a connecting block is welded to the position corresponding to the stirring part 3 on the side wall of the rotating shaft 1. The first stirring fan blade 31 and the second stirring fan blade 32 can be detachably fixed on the side wall of the rotating shaft 1 by being inserted into each other and then being fixed by bolts; the hastelloy performs well in various corrosive media, especially has excellent corrosion resistance to wet chlorine, oxidizing chlorides, chloride salt solution, sulfuric acid and oxidizing salt, etc. The hastelloy not only has corrosion resistance, but also has excellent high-temperature resistance. The physical properties of the hastelloy include high density (about 8.89 g / cm 3 ) and high melting point (1323-1371℃), the tensile strength is between 690 and 783 MPa, has good weldability and high oxidation resistance, and in terms of mechanical properties, the hastelloy has high strength and high toughness, and has strong strain hardening tendency.

[0038] The first stirring fan blade 31 and the second stirring fan blade 32 are both hastelloy fan blades with streamline-shaped two ends. The first stirring fan blade 31 is bent at both ends along the length direction, forming first and second curved surfaces 311 and 312 which are parallel to each other. The first curved surface 311 forms an angle of 30 degrees with the Y-axis, and the second curved surface 312 forms an angle of 210 degrees with the Y-axis.

[0039] The second stirring fan blade 32 is bent at both ends along the length direction, forming third and fourth curved surfaces 321 and 322 which are parallel to each other. The third curved surface 321 forms an angle of -30 degrees with the Y-axis, and the fourth curved surface 322 forms an angle of 150 degrees with the Y-axis.

[0040] A plurality of material passing holes 33 are uniformly distributed on the first and second stirring fan blades 31 and 32.

[0041] The first stirring vane 31 has a smaller spread size than the second stirring vane 32.

[0042] In a specific embodiment, the driving motor drives the rotating shaft 1 to rotate the first stirring vane 31 and the second stirring vane 32. During the rotation, the stirred raw materials slide along the first curved surface 311 to the middle part of the first stirring vane 31 in an oblique downward direction. Part of the raw materials is moved forward by the first stirring vane 31, and the rest of the raw materials passing through the material passing hole 33 is moved forward by the second stirring vane 32 arranged at the rear.

[0043] In addition, the raw materials can slide along the second curved surface 312 in an oblique downward direction. Since the first stirring vane 31 has a smaller spread size than the second stirring vane 32, when the raw materials moved forward by the first stirring vane 31 reach the second stirring vane 32, part of the raw materials slides along the third curved surface 321 in an oblique upward direction, and part of the raw materials slides along the fourth curved surface 322 in an oblique upward direction to the middle part of the second stirring vane 32. Part of the raw materials is moved forward by the second stirring vane 32, and the rest of the raw materials passing through the material passing hole 33 is moved forward by the first stirring vane 31 arranged at the rear. The entire device can effectively reduce the resistance of the raw materials to the vertical plane of the stirring vane, thereby reducing the breaking of the root of the stirring vane and other situations. At the same time, due to the unique curved structure of the first stirring vane 31 and the second stirring vane 32 and the material passing hole 33, the stirring efficiency and the uniformity of the raw material dispersion can be improved while reducing the resistance of the raw materials.

[0044] As shown in Figure 3 As an optional embodiment, the material passing holes 33 on the first stirring vane 31 and the material passing holes 33 on the second stirring vane 32 are staggered, and the material passing holes 33 are uniformly distributed in the middle part of the stirring vane without bending. The raw materials passing through the material passing hole 33 of the first stirring vane 31 are continuously pushed forward by the staggered opening position of the second stirring vane 32; similarly, the raw materials passing through the material passing hole 33 of the second stirring vane 32 are continuously pushed forward by the staggered opening position of the first stirring vane 31. This way can effectively reduce the resistance of the raw materials to the stirring vane, thereby increasing the service life of the stirring vane.

[0045] As shown in Figure 3As shown, as an optional embodiment, the unfolding area of the first curved surface 311 is smaller than that of the third curved surface 321; the unfolding area of the second curved surface 312 is smaller than that of the fourth curved surface 322. The first curved surface 311 and the second curved surface 312 can make the raw materials continue to be driven forward by the second stirring fan blade 32 after being divided at the top and bottom ends of the first stirring fan blade 31, thereby increasing the uniformity of the dispersion of the raw materials.

[0046] As an optional embodiment, the bending angle of the first stirring fan blade 31 and the second stirring fan blade 32 is 120-130 degrees.

[0047] As an optional embodiment, a plurality of stirring parts 3 are arranged along the axial direction of the rotating shaft 1, and the device comprises two rotating shafts 1, and the stirring parts 3 on the two rotating shafts 1 are arranged alternately, thereby increasing the stirring efficiency.

[0048] As shown, Figure 4 As an optional embodiment, the device further comprises a feeding pipe 4 arranged at the top of the stirring barrel 2, and the discharging end 41 of the feeding pipe 4 is aligned with the rotating shaft 1, thereby reducing the sinking of the raw materials before being stirred and increasing the stirring efficiency.

[0049] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A heat-reflective coating mixing device, characterized in that, include: Rotating shaft (1), arranged in the vertical direction, including at least two shafts; The stirring part (3) made of Hastelloy is detachably disposed on the side wall of the rotating shaft (1), and includes a first stirring blade (31) and a second stirring blade (32) spaced apart circumferentially along the rotating shaft (1); The first stirring blade (31) is streamlined at both ends along its length direction, forming a first curved surface (311) and a second curved surface (312) that are parallel to each other; The second stirring blade (32) is streamlined at both ends along its length, forming a third curved surface (321) and a fourth curved surface (322) that are parallel to each other; the angle between the curved surface and the middle part of the stirring blade is greater than 90 degrees. The bending directions of the first curved surface (311) and the third curved surface (321) are opposite; The second curved surface (312) has the opposite bending direction to the fourth curved surface (322); Multiple material passage holes (33) are evenly distributed on the first stirring blade (31) and the second stirring blade (32); The unfolded size of the first stirring blade (31) is smaller than that of the second stirring blade (32).

2. The heat-reflective coating mixing device according to claim 1, characterized in that: The material passage hole (33) on the first stirring blade (31) and the material passage hole (33) on the second stirring blade (32) are arranged alternately.

3. The heat-reflective coating mixing device according to claim 1, characterized in that: The unfolded dimension of the first curved surface (311) is smaller than the unfolded dimension of the third curved surface (321); The unfolded dimension of the second curved surface (312) is smaller than the unfolded dimension of the fourth curved surface (322).

4. The heat-reflective coating mixing device according to claim 1, characterized in that: The bending angle of the first stirring blade (31) and the second stirring blade (32) is 120-130 degrees.

5. The heat-reflective coating mixing device according to claim 1, characterized in that: The stirring section (3) is provided in multiple units at intervals along the axial direction of the rotating shaft (1).

6. The heat-reflective coating mixing device according to claim 5, characterized in that: The stirring parts (3) on the two rotating shafts (1) are arranged alternately.

7. The heat-reflective coating mixing device according to claim 1, characterized in that: It also includes a feed pipe (4) set at the top of the mixing tank (2), the discharge end (41) of the feed pipe (4) being aligned with the rotating shaft (1).

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