Direct-driven flotation machine

Abstract

The utility model discloses a direct drive type flotation machine, including low-speed motor, mounting plate, coupling, transition pipe, central cylinder, main shaft, stator, rotor and groove body, mounting plate is installed in the upper end of groove body, the low-speed motor is fixed in the upper end of mounting plate, the transition pipe is installed in the groove body at the mounting plate bottom end through bolt, and the coupling is fixed in the groove body. A coupling is arranged in the transition pipe, the bottom end of the low-speed motor is connected with the main shaft through the coupling, the bottom end of the transition pipe is connected with a center cylinder through a bolt, the coupling is located in the center cylinder, a stator is installed at the bottom end of the center cylinder, and a rotor arranged below the stator is connected to the bottom end of the main shaft. The low-speed motor capable of achieving frequency conversion and speed regulation is directly connected with the main shaft of the flotation machine through the coupler. Due to the fact that the mechanical efficiency of the coupler reaches up to 99%, and the adjustment problem does not exist, the energy efficiency of the flotation machine can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of floatation machine, concretely is a direct drive type floatation machine. BACKGROUND

[0002] The floatation machine is suitable for the selection of nonferrous and ferrous metals, and can also be used for the selection of nonmetals such as coal and quartz, and talc. The floatation machine is driven by a motor triangular belt to rotate an impeller, to generate centrifugal action to form negative pressure, to suck in sufficient air and mix with the ore pulp, to stir the ore pulp and the medicine, and to refine the foam, so that the mineral is adhered to the foam and floats to the surface of the ore pulp to form mineralized foam. The height of the gate is adjusted to control the liquid level, so that the useful foam is scraped out by the scraper.

[0003] The conventional floatation machine is driven by a motor through a belt pulley to rotate a main shaft. The belt transmission is a transmission form with a mechanical efficiency of only 0.92-0.97, and the belt pulley transmission has elastic sliding and slipping, and if the adjustment is improper, the mechanical efficiency will be further reduced. Therefore, the utility model provides a direct drive type floatation machine to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a direct drive type floatation machine to solve the problems in the background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a direct drive type floatation machine, comprising a low-speed motor, a mounting plate, a shaft coupling, a transition pipe, a center cylinder, a main shaft, a stator, a rotor and a groove body, the mounting plate is installed at the upper end inside the groove body, the low-speed motor is fixed at the upper end of the mounting plate, the transition pipe is installed at the bottom end inside the groove body through bolts, the transition pipe is internally provided with the shaft coupling, the low-speed motor is connected with the main shaft through the shaft coupling at the bottom end.

[0006] The center cylinder is connected with the transition pipe at the bottom end through bolts, the shaft coupling is inside the center cylinder, the stator is installed at the bottom end of the center cylinder, and the rotor provided below the stator is connected with the bottom end of the main shaft.

[0007] As a preferred embodiment of the utility model, the low-speed motor is at the upper end of the groove body.

[0008] As a preferred embodiment of the utility model, the transition pipe and the inner end diameter of the upper end of the center cylinder are the same.

[0009] As a preferred embodiment of the utility model, the low-speed motor drives the rotor to rotate through the shaft coupling.

[0010] As a preferred embodiment of the utility model, a gap is provided between the stator and the rotor.

[0011] As a preferred of the utility model, the inside diameter of the upper end of the center cylinder is less than the inside diameter of the lower end.

[0012] As a preferred of the utility model, the left side of the upper end of the center cylinder is provided with a pipeline in a communicating structure.

[0013] Compared with the prior art, the utility model has the beneficial effects that: the low-speed motor with variable frequency speed regulation is directly connected with the main shaft of the flotation machine through the coupling. Since the mechanical efficiency of the coupling is as high as 99%, and there is no adjustment problem, the energy efficiency of the flotation machine can be greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic view of the utility model.

[0015] In the drawing: 1, low-speed motor;2, mounting plate;3, coupling;4, transition pipe;5, center cylinder;6, main shaft;7, stator;8, rotor;9, slot body. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0017] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, in the description of the utility model, in addition, "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0018] It should be noted that, unless otherwise specified and limited, the terms "arranged", "mounted", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances "the meaning of multiple is two or more than two, unless otherwise specifically limited, all belong to the range of the utility model protection.

[0019] Embodiment: as Figure 1 The utility model provides a technical scheme: including low speed motor 1, mounting plate 2, shaft coupling 3, transition pipe 4, center tube 5, main shaft 6, stator 7, rotor 8 and tank 9, mounting plate 2 is installed in the inside upper end of tank 9, and low speed motor 1 is fixed on the upper end of mounting plate 2, and transition pipe 4 is installed on the bottom end of mounting plate 2 in the inside of tank 9 through bolt, transition pipe 4 is equipped with shaft coupling 3 in the inside, and low speed motor 1 bottom end is connected with main shaft 6 through shaft coupling 3;

[0020] Center tube 5 is connected through bolt in the bottom end of transition pipe 4, and shaft coupling 3 is in the inside of center tube 5, and stator 7 is installed in the bottom end of center tube 5, and rotor 9 is connected to the bottom end of main shaft 6 and is equipped with below stator 7.

[0021] Low speed motor 1 is in the upper end of tank 9.

[0022] The inside diameter of transition pipe 4 and the upper end of center tube 5 is same.

[0023] Low speed motor 1 drives rotor 8 to rotate through shaft coupling 3.

[0024] The gap is equipped between stator 7 and rotor 8.

[0025] The inside diameter of the upper end of center tube 5 is less than the inside diameter of the lower end.

[0026] The pipeline of the left side of the upper end of center tube 5 is equipped with the structure of intercommunication.

[0027] When using, low speed motor drives rotor to rotate through shaft coupling, air and ore pulp are inhaled from the gap between stator 7 and rotor 8, realize the full mixing of ore pulp and air, form a large number of micro bubbles. These bubbles contact and adhere to the surface of ore particles, and float up due to the decrease of specific gravity, so as to realize the separation of useful minerals and waste rock.

[0028] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A direct drive flotation machine comprising a low-speed motor (1), a mounting plate (2), a shaft coupling (3), a transition pipe (4), a central cylinder (5), a main shaft (6), a stator (7), a rotor (8) and a tank body (9), characterized in that: the mounting plate (2) is mounted at the upper end inside the tank body (9), the low-speed motor (1) is fixed at the upper end of the mounting plate (2), the transition pipe (4) is bolted at the bottom end of the mounting plate (2) inside the tank body (9), the shaft coupling (3) is arranged inside the transition pipe (4), and the low-speed motor (1) is connected with the main shaft (6) through the shaft coupling (3); the central cylinder (5) is bolted at the bottom end of the transition pipe (4), the shaft coupling (3) is arranged inside the central cylinder (5), the stator (7) is mounted at the bottom end of the central cylinder (5), and the rotor (8) arranged below the stator (7) is connected with the bottom end of the main shaft (6).

2. A direct drive flotation machine according to claim 1, characterized in that: The low-speed motor (1) is arranged at the upper end of the tank body (9).

3. A direct drive flotation machine according to claim 1, characterized in that: The transition pipe (4) and the upper end inside the central cylinder (5) have the same diameter.

4. A direct drive flotation machine according to claim 1, characterized in that: The low-speed motor (1) drives the rotor (8) to rotate through the shaft coupling (3).

5. A direct drive flotation machine according to claim 1, characterized in that: A gap is arranged between the stator (7) and the rotor (8).

6. A direct drive flotation machine according to claim 1, characterized in that: The inner diameter of the upper end of the central cylinder (5) is smaller than the inner diameter of the lower end.

7. A direct drive flotation machine according to claim 1, characterized in that: A pipeline in a communication structure is arranged at the left side of the upper end of the central cylinder (5).

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