Pneumatic paint stirrer

Abstract

The utility model relates to the technical field of stirrers, and discloses a paint pneumatic stirrer which comprises a stirring bin, a pneumatic motor, a driving assembly, stirring blades and a stirring assembly, the pneumatic motor is located at the bottom of the stirring bin, the driving assembly is located at the bottom of the stirring bin, and the stirring assembly is located in the stirring bin. The stirring blades are fixed to the top of the stirring assembly, an inner fixing groove is formed in the inner bottom face of the stirring bin, the stirring bin and a bottom fixing groove are formed in the bottom face of the stirring bin, the bottom fixing groove is located in the center of the inner ring of the stirring bin, and the driving assembly comprises a driving transverse rod; the front end and the rear end of the driving transverse rod are fixedly connected with driving electromagnets. According to the paint pneumatic stirrer, the principle of an electromagnet is adopted, so that the stirring assembly in the stirring bin does not need to be in direct contact with the driving assembly and can be driven by the driving assembly to rotate, and paint can be well prevented from polluting other external assemblies.

Description

Technical Field

[0001] The utility model relates to the technical field of mixers, in particular to a paint pneumatic mixer. Background Art

[0002] Pneumatic mixers are mainly used in the mixing production of flammable and explosive items such as petroleum, chemical industry, coatings, paints, inks, resins, medical treatment, food, and daily chemicals. They have high safety. When the pneumatic mixer is working, it mainly relies on the pneumatic motor to drive the stirring shaft to stir the mixture. During the boarding process, the stirring shaft is directly connected to the pneumatic motor. When the paint is stirred, the paint will adhere to the stirring shaft, and the paint is also very easy to splash out during the stirring process, thereby causing difficult-to-handle marks on other parts of the mixer, greatly affecting the external shape of the mixer. Therefore, in view of the above problems, the utility model proposes a paint pneumatic mixer that can effectively solve the above problems. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a pneumatic paint mixer, which has the advantages of preventing the paint from polluting the mixer and solving the problem of the mixer being contaminated by paint splashing.

[0005] (II) Technical solution

[0006] In order to achieve the above purpose of preventing paint from polluting the mixer, the utility model provides the following technical solutions:

[0007] A paint pneumatic mixer, comprising a mixing chamber, an air motor, a driving assembly, a stirring blade and a stirring assembly, wherein the air motor is located at the bottom of the mixing chamber, the driving assembly is located at the bottom of the mixing chamber, the stirring assembly is located inside the mixing chamber, and the stirring blade is fixed at the top of the stirring assembly;

[0008] An internal fixing groove is provided on the inner bottom surface of the stirring chamber, a magnetic guiding groove and a bottom fixing groove are provided on the bottom surface of the stirring chamber, and the bottom fixing groove is located at the inner circle center of the magnetic guiding groove.

[0009] As a preferred technical solution of the utility model, the driving assembly includes a driving cross bar, the front and rear ends of the driving cross bar are fixedly connected with driving electromagnets, and a fixed electromagnet is arranged in the middle of the top surface of the driving cross bar.

[0010] The beneficial effect of the above preferred technical solution is that the driving electromagnet is used to generate magnetic force with the permanent magnet.

[0011] As an optimal technical solution of the utility model, the stirring assembly includes a stirring cross bar, a shaft rod is fixedly connected to the middle of the bottom surface of the stirring cross bar, the bottom of the shaft rod is rotatably connected to a base, and permanent magnets are fixedly connected to the left and right ends of the bottom surface of the stirring cross bar.

[0012] The beneficial effect of the above preferred technical solution is that the permanent magnet is used to generate magnetic force with the driving electromagnet.

[0013] As a preferred technical solution of the utility model, the bottom of the base of the stirring assembly is placed inside an internal fixing groove on the bottom surface of the stirring chamber, and the connection between the shaft and the base is an axial rotation connection.

[0014] The beneficial effect of the above preferred technical solution is that the base is used to attract the fixed electromagnet to fix the stirring component and the driving component.

[0015] As a preferred technical solution of the utility model, the fixed electromagnet of the driving assembly is arranged inside the bottom fixed groove of the bottom surface of the stirring chamber, the radius of the magnetic conductive groove matches the radius of the driving cross bar, and the width of the magnetic conductive groove matches the diameter of the driving electromagnet.

[0016] The beneficial effect of the above preferred technical solution is that the stirring chamber can reduce the thickness of the bottom surface of the stirring chamber and enhance the transmission effect of the magnetic force.

[0017] As a preferred technical solution of the utility model, the bottom of the driving assembly is connected to the pneumatic motor through a transmission shaft, and the pneumatic motor drives the driving assembly to rotate. The pneumatic motor rotates under the action of the magnetic force between the driving electromagnet and the permanent magnet, thereby driving the stirring blade to rotate and stir.

[0018] The beneficial effect of the above preferred technical solution is that the magnetic force can indirectly drive the stirring assembly inside the stirring chamber without the need for a transmission shaft to be connected.

[0019] (III) Beneficial effects

[0020] Compared with the prior art, the utility model provides a paint pneumatic mixer, which has the following beneficial effects:

[0021] The paint pneumatic mixer adopts the principle of electromagnet, so that the stirring component can be rotated by the driving component inside the stirring chamber without direct contact with the driving component, which can effectively prevent the paint from contaminating other external components. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2This is a schematic diagram of the internal structure of the utility model;

[0024] Figure 3 It is a partial structural schematic diagram of the utility model;

[0025] Figure 4 This is a schematic diagram of the internal bottom structure of the mixing bin of the utility model;

[0026] Figure 5 This is a schematic diagram of the bottom structure of the mixing bin of the utility model.

[0027] In the figure: 1. stirring chamber; 11. magnetic guide groove; 12. bottom fixing groove; 13. internal fixing groove; 2. pneumatic motor; 3. stirring assembly; 31. stirring cross bar; 32. permanent magnet; 33. shaft; 34. base; 4. driving assembly; 41. driving cross bar; 42. fixed electromagnet; 43. driving electromagnet; 5. stirring blade. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] See also Figure 1 , 2, 4, 5, a paint pneumatic mixer, comprising a stirring chamber 1, an air motor 2, a driving assembly 4, a stirring blade 5 and a stirring assembly 3, the air motor 2 is located at the bottom of the stirring chamber 1, the driving assembly 4 is located at the bottom of the stirring chamber 1, the stirring assembly 3 is located inside the stirring chamber 1, and the stirring blade 5 is fixed at the top of the stirring assembly 3.

[0032] An inner fixing groove 13 is formed on the inner bottom surface of the stirring chamber 1 . A magnetic guiding groove 11 and a bottom fixing groove 12 are formed on the inner bottom surface of the stirring chamber 1 . The bottom fixing groove 12 is located at the inner circle center of the magnetic guiding groove 11 .

[0033] See also Figure 2 , 3 , 4, 5, the driving component 4 includes a driving cross bar 41, and the front and rear ends of the driving cross bar 41 are fixedly connected with driving electromagnets 43, and a fixed electromagnet 42 is arranged in the middle of the top surface of the driving cross bar 41. The fixed electromagnet 42 of the driving component 4 is arranged inside the bottom fixed groove 12 on the bottom surface of the stirring chamber 1, and the radius of the magnetic conductive groove 11 matches the radius of the driving cross bar 41, and the width of the magnetic conductive groove 11 matches the diameter of the driving electromagnet 43.

[0034] The stirring assembly 3 includes a stirring cross bar 31, a shaft rod 33 is fixedly connected to the middle of the bottom surface of the stirring cross bar 31, the bottom of the shaft rod 33 is rotatably connected to a base 34, and permanent magnets 32 are fixedly connected to the left and right ends of the bottom surface of the stirring cross bar 31. The bottom of the base 34 of the stirring assembly 3 is placed inside the internal fixed groove 13 on the bottom surface of the stirring chamber 1, and the connection method between the shaft rod 33 and the base 34 is an axial rotation connection.

[0035] In this embodiment, the fixed electromagnet 42 and the base 34 are attracted and fixed to each other, and then the two permanent magnets 32 and the two driving electromagnets 43 generate magnetic force on each other, so that the two permanent magnets 32 and the two driving electromagnets 43 correspond to each other in pairs under the action of the magnetic force.

[0036] See also Figure 2 , 3 The bottom of the driving component 4 is connected to the pneumatic motor 2 through a transmission shaft, and the pneumatic motor 2 drives the driving component 4 to rotate. Thus, the pneumatic motor 2 rotates under the action of the magnetic force between the driving electromagnet 43 and the permanent magnet 32, thereby driving the stirring blade 5 to rotate and stir.

[0037] In this embodiment, the stirring component 3 and the stirring blade 5 can be driven to rotate by the rotation of the driving component 4 without contact through magnetic force.

[0038] In summary, the paint pneumatic mixer uses the principle of electromagnet, so that the stirring component 3 can be rotated inside the stirring chamber 1 through the drive of the driving component 4 without direct contact with the driving component 4, which can effectively prevent the paint from contaminating other external components.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A paint pneumatic mixer, comprising a mixing chamber, an air motor, a driving assembly, a stirring blade and a stirring assembly, wherein the air motor is located at the bottom of the mixing chamber, the driving assembly is located at the bottom of the mixing chamber, the stirring assembly is located inside the mixing chamber, and the stirring blade is fixed at the top of the stirring assembly; Features: An internal fixing groove is provided on the inner bottom surface of the stirring chamber, a magnetic guiding groove and a bottom fixing groove are provided on the bottom surface of the stirring chamber, and the bottom fixing groove is located at the inner circle center of the magnetic guiding groove.

2. A paint pneumatic mixer according to claim 1, characterized in that: The driving assembly comprises a driving cross bar, the front and rear ends of the driving cross bar are fixedly connected with driving electromagnets, and a fixed electromagnet is arranged in the middle of the top surface of the driving cross bar.

3. A paint pneumatic mixer according to claim 2, characterized in that: The stirring assembly comprises a stirring cross bar, a shaft is fixedly connected to the middle of the bottom surface of the stirring cross bar, a base is rotatably connected to the bottom of the shaft, and permanent magnets are fixedly connected to the left and right ends of the bottom surface of the stirring cross bar.

4. A paint pneumatic mixer according to claim 3, characterized in that: The bottom of the base of the stirring assembly is placed inside the internal fixing groove on the bottom surface of the stirring chamber, and the connection mode between the shaft rod and the base is an axial rotation connection.

5. A paint pneumatic mixer according to claim 2, characterized in that: The fixed electromagnet of the driving assembly is arranged inside the bottom fixed groove of the bottom surface of the stirring chamber, the radius of the magnetic conductive groove matches the radius of the driving cross bar, and the width of the magnetic conductive groove matches the diameter of the driving electromagnet.

6. A paint pneumatic mixer according to claim 3, characterized in that: The bottom of the driving assembly is connected to the pneumatic motor through a transmission shaft, and the pneumatic motor drives the driving assembly to rotate. Thus, the pneumatic motor rotates under the action of the magnetic force between the driving electromagnet and the permanent magnet, thereby driving the stirring blade to rotate and stir.

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