CN216260553U

CN216260553U - Variable-frequency spiral feeding mechanism for mixer

Info

Publication number: CN216260553U
Application number: CN202122411276.7U
Authority: CN
Inventors: 王朝阳
Original assignee: Yanshi Xinyang Refractory Co ltd
Current assignee: Yanshi Xinyang Refractory Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-04-12
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a variable-frequency spiral feeding mechanism for a mixer, which comprises a frame body, and further comprises a spiral feeding mechanism which is arranged at the upper end of the frame body and used for feeding, wherein an adjusting mechanism used for adjusting the elevation angle of the spiral feeding mechanism is arranged between the spiral feeding mechanism and the frame body, one side of the upper end of the spiral feeding mechanism is provided with a mixing mechanism used for mixing feeding, and a power mechanism connected to one end of the spiral feeding mechanism and one end of the mixing mechanism. The elevation angle of the spiral feeding mechanism can be conveniently adjusted through the arrangement of the adjusting mechanism, the spiral feeding mechanism can be conveniently adapted to different feeding heights, and the raw materials are doubly mixed before being added into the mixer through the rotating support rod and the blades arranged in the feeding cover of the mixing mechanism and the spiral blades which rotate relative to each other of the spiral feeding mechanism, so that the mixing efficiency and quality of the raw materials are improved, and the feeding stability of the raw materials is ensured.

Description

Variable-frequency spiral feeding mechanism for mixer

Technical Field

The utility model relates to the field of refractory material processing, in particular to a variable-frequency spiral feeding mechanism for a mixer.

Background

The refractory material is an inorganic non-metallic material with the refractoriness of not less than 1580 ℃, and the refractoriness refers to the temperature at which a refractory material cone sample resists high temperature renting without softening and melting down under the condition of no load. However, the definition of refractoriness alone does not fully describe the refractory material, and 1580 ℃ is not absolute, and is defined as the material with physical and chemical properties allowing the refractory material to be used in high-temperature environment. The refractory material is applied to various fields of national economy such as steel, nonferrous metals, glass, cement, ceramics, petrifaction, machinery, boilers, light industry, electric power, military industry and the like, is an essential basic material for ensuring the production operation and the technical development of the industries, and plays an irreplaceable important role in the development of high-temperature industrial production.

The production process of refractory materials generally comprises: crushing-batching-mixing-shaping-drying-kiln burning-inspection-packing, in the refractory material production process, the batching is very important link, wherein mainly go on in adding the compounding machine with the raw materials, however at present when adding the material to the compounding machine in, use single spiral feed mechanism more, it is whole coupling mechanism, can only adapt to the high use of a certain specification, and when the feeding, its feeding efficiency and quality can not obtain the assurance, have influenced the mixture of compounding machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a variable-frequency spiral feeding mechanism for a mixer.

The utility model realizes the purpose through the following technical scheme:

the variable-frequency spiral feeding mechanism for the mixer comprises a frame body and a spiral feeding mechanism which is arranged at the upper end of the frame body and used for feeding, wherein an adjusting mechanism used for adjusting the elevation angle of the spiral feeding mechanism is arranged between the spiral feeding mechanism and the frame body;

the adjusting mechanism comprises two vertical plates arranged at the upper end of the frame body, sliding frames are arranged on the front side and the rear side between the vertical plates, a sliding rod is arranged between the sliding frames, a supporting rod is rotatably connected onto the sliding rod, and a power assembly used for providing moving power for the sliding rod is connected onto the sliding rod;

the spiral feeding mechanism comprises a feeding barrel, two rotating shafts are arranged on the inner side of the feeding barrel, spiral blades are arranged on the outer diameter of each rotating shaft, one end of each rotating shaft penetrates through the feeding barrel to be connected with the power mechanism, and a discharging pipe is arranged at the position, far away from the mixing mechanism, of the lower end of the feeding barrel;

the mixing mechanism comprises a feeding cover, the upper end of the feeding cover is funnel-shaped, the lower end of the feeding cover is vertical, a mixing shaft is arranged on the inner side of the lower end of the feeding cover, supporting rods are uniformly distributed on the outer diameter of the mixing shaft, blades are arranged on the supporting rods, and one end of the mixing shaft is connected with the power mechanism;

the power mechanism comprises a box cover, a motor is arranged on one side of the box cover, a main chain wheel is connected onto an output shaft of the motor, a gear and a first auxiliary chain wheel which are connected with the rotating shaft are arranged on the upper side of the main chain wheel, and a second auxiliary chain wheel connected with the mixing shaft is arranged on the upper side of the first auxiliary chain wheel.

Further setting: the power assembly comprises a lead screw penetrating through the sliding rod, two ends of the lead screw are rotatably connected with the vertical plate, one end of the vertical plate is provided with a servo motor connected with the lead screw, and the lead screw is in threaded connection with the sliding rod.

According to the arrangement, the servo motor drives the lead screw to rotate, so that the lead screw pushes the slide rod to move, the angle supported by the support rod is adjusted, and the elevation angle of the feeding barrel is adjusted.

Further setting: the power assembly comprises a hydraulic telescopic rod connected to the middle of the sliding rod, and the fixed end of the hydraulic telescopic rod is connected with the vertical plate.

So set up, through hydraulic telescoping rod's flexible promotion the slide bar removes, it is right the angle that the bracing piece supported is adjusted, and then the adjustment go up the angle of elevation size of feed cylinder.

Further setting: the slide bar with slide frame sliding connection, the bracing piece is in be provided with two places on the slide bar, the bracing piece with go up the feed cylinder and connect through articulated seat.

So set up, make the slide bar in the removal process, through the bracing piece is stable supports go up the feed cylinder.

Further setting: the rotating shaft is rotatably connected with the feeding barrel, and the two rotating shafts are positioned on the same horizontal plane.

So set up, guarantee two the axis of rotation rotates smoothly, and carries out hybrid processing to the material loading again when rotating each other.

Further setting: the helical blades are welded with the rotating shaft, and the helical blades on the two rotating shafts are opposite in rotation direction.

So set up, when making two the axis of rotation rotate, helical blade upwards promotes the raw materials simultaneously.

Further setting: the axis of rotation with gear key-type connection, gear intermeshing, first secondary sprocket with axis of rotation key-type connection.

So set up, through the stable transmission of power of gear with the axis of rotation to and through the first secondary sprocket with power transmission to the hybrid shaft.

Further setting: the main chain wheel, the first auxiliary chain wheel, the second auxiliary chain wheel are double chain wheels, the main chain wheel is connected with one of the first auxiliary chain wheel and the chain, and the other one of the first auxiliary chain wheel and the second auxiliary chain wheel is connected with the chain.

So set up, guarantee the power of motor passes through main sprocket, first auxiliary sprocket, second auxiliary sprocket is in the axis of rotation the transmission is gone up to the hybrid shaft, realizes many places through a power spare and moves.

Further setting: the box cover lower extreme with the support body is connected through articulated seat, the box cover with go up the feed cylinder reinforced cover welding.

So set up, make the case cover can for the support body rotates, is convenient for go up feed cylinder and horizontal angle adjustment.

Further setting: the mixing shaft with reinforced cover rotates to be connected, the mixing shaft with the vice sprocket key-type connection of second, the blade is in weld on the branch.

So set up, make the mixing shaft drive blade on the branch rotates, to the raw materials of adding through once mixing before getting into go up the feed cylinder.

Compared with the prior art, the utility model has the following beneficial effects:

the elevation angle of the spiral feeding mechanism can be adjusted conveniently by arranging the adjusting mechanism, the spiral feeding mechanism can adapt to different feeding heights conveniently, the rotary supporting rod and the blades are arranged in the feeding cover of the mixing mechanism, and the spiral feeding mechanism can rotate relative to the helical blades, so that the raw materials are mixed doubly before being added into the mixer, the mixing efficiency and quality of the raw materials are improved, and the feeding stability of the raw materials is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a first structure of an embodiment 1 of a variable-frequency spiral feeding mechanism for a mixer of the present invention;

FIG. 2 is a second structural diagram of the embodiment 1 of the variable-frequency spiral feeding mechanism for the mixer, which is disclosed by the utility model;

FIG. 3 is a schematic top view of an embodiment 1 of the variable-frequency spiral feeding mechanism for the mixer of the present invention;

FIG. 4 is a schematic sectional view A-A of FIG. 3;

FIG. 5 is a partial structural schematic diagram of a spiral feeding mechanism of the variable-frequency spiral feeding mechanism for the mixer of the present invention;

FIG. 6 is a partial schematic structural view of a mixing mechanism of the variable frequency screw feeding mechanism for the mixer of the present invention;

FIG. 7 is a partial schematic structural view of an adjusting mechanism of embodiment 1 of the variable-frequency spiral feeding mechanism for the mixer of the utility model;

fig. 8 is a schematic structural diagram of embodiment 2 of the variable-frequency spiral feeding mechanism for the mixer, disclosed by the utility model.

The reference numerals are explained below:

1. a frame body; 2. an adjustment mechanism; 21. a vertical plate; 22. a sliding frame; 23. a slide bar; 24. a support bar; 25. a lead screw; 26. a servo motor; 27. a hydraulic telescopic rod; 3. a spiral feeding mechanism; 31. feeding a material barrel; 32. a rotating shaft; 33. a helical blade; 34. a discharging pipe; 4. a material mixing mechanism; 41. a feeding cover; 42. a mixing shaft; 43. a strut; 44. a blade; 5. a power mechanism; 51. a box cover; 52. an electric motor; 53. a main sprocket; 54. a first secondary sprocket; 55. a gear; 56. a second secondary sprocket.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

example 1

As shown in fig. 1-7, a variable-frequency spiral feeding mechanism for a mixer comprises a frame body 1, and further comprises a spiral feeding mechanism 3 arranged at the upper end of the frame body 1 and used for feeding, an adjusting mechanism 2 used for adjusting the elevation angle of the spiral feeding mechanism 3 is arranged between the spiral feeding mechanism 3 and the frame body 1, a mixing mechanism 4 used for mixing feeding materials and a power mechanism 5 connected to one end of the spiral feeding mechanism 3 and one end of the mixing mechanism 4 are arranged on one side of the upper end of the spiral feeding mechanism 3, the adjusting mechanism 2 is connected with the frame body 1 and the spiral feeding mechanism 3, and the spiral feeding mechanism 3 is communicated with the mixing mechanism 4;

the adjusting mechanism 2 comprises two vertical plates 21 arranged at the upper end of the frame body 1, sliding frames 22 are arranged at the front side and the rear side between the vertical plates 21 and used for guiding and limiting the movement of the sliding rods 23, sliding rods 23 are arranged between the sliding frames 22, supporting rods 24 are rotatably connected onto the sliding rods 23 and used for supporting the change and adjustment of the elevation angle of the charging barrel 31, and power components used for providing the movement power of the sliding rods 23 are connected onto the sliding rods 23;

the spiral feeding mechanism 3 comprises a feeding barrel 31, two rotating shafts 32 are arranged on the inner side of the feeding barrel 31, spiral blades 33 are arranged on the outer diameter of each rotating shaft 32 to push and mix raw materials in the feeding barrel 31, one end of each rotating shaft 32 penetrates through the feeding barrel 31 to be connected with the power mechanism 5, and a discharging pipe 34 is arranged at the lower end of the feeding barrel 31 far away from the mixing mechanism 4;

the material mixing mechanism 4 comprises a feeding cover 41, the upper end of the feeding cover 41 is funnel-shaped, the lower end of the feeding cover is vertical, a mixing shaft 42 is arranged on the inner side of the lower end of the feeding cover 41, supporting rods 43 are uniformly distributed on the outer diameter of the mixing shaft 42, blades 44 are arranged on the supporting rods 43, the raw materials added into the feeding cover 41 are primarily mixed, and one end of the mixing shaft 42 is connected with a power mechanism 5;

the power mechanism 5 includes a case cover 51, a motor 52 is provided on one side of the case cover 51, a main sprocket 53 is connected to an output shaft of the motor 52, a gear 55 and a first auxiliary sprocket 54 connected to the rotating shaft 32 are provided above the main sprocket 53, and a second auxiliary sprocket 56 connected to the mixing shaft 42 is provided above the first auxiliary sprocket 54.

Preferably: the power assembly comprises a lead screw 25 penetrating through the sliding rod 23, the two ends of the lead screw 25 are rotatably connected with the vertical plate 21, one end of the vertical plate 21 is provided with a servo motor 26 connected with the lead screw 25, the lead screw 25 is in threaded connection with the sliding rod 23, the lead screw 25 is driven by the servo motor 26 to rotate, the lead screw 25 pushes the sliding rod 23 to move, the supporting angle of the supporting rod 24 is adjusted, and the elevation angle of the charging barrel 31 is adjusted; the sliding rod 23 is connected with the sliding frame 22 in a sliding mode, two supporting rods 24 are arranged on the sliding rod 23, and the supporting rods 24 are connected with the charging barrel 31 through hinged seats, so that the charging barrel 31 is stably supported through the supporting rods 24 in the moving process of the sliding rod 23; the rotating shaft 32 is rotatably connected with the feeding barrel 31, the two rotating shafts 32 are positioned on the same horizontal plane, smooth rotation of the two rotating shafts 32 is ensured, and feeding is mixed when the rotating shafts rotate mutually; the helical blades 33 are welded with the rotating shafts 32, and the helical blades 33 on the two rotating shafts 32 are opposite in rotation direction, so that when the two rotating shafts 32 rotate, the helical blades 33 push the raw materials upwards at the same time; the rotary shaft 32 is keyed with a gear 55, the gear 55 is engaged with each other, the first sub sprocket 54 is keyed with the rotary shaft 32, power is stably transmitted to the rotary shaft 32 through the gear 55, and power is transmitted to the hybrid shaft 42 through the first sub sprocket 54; the main chain wheel 53, the first auxiliary chain wheel 54 and the second auxiliary chain wheel 56 are double chain wheels, the main chain wheel 53 is in chain connection with the first auxiliary chain wheel 54 at one position, the first auxiliary chain wheel 54 at the other position is in chain connection with the second auxiliary chain wheel 56, and the power of the motor 52 is guaranteed to be transmitted on the rotating shaft 32 and the mixing shaft 42 through the main chain wheel 53, the first auxiliary chain wheel 54 and the second auxiliary chain wheel 56, and multiple movements are achieved through one power part; the lower end of the box cover 51 is connected with the frame body 1 through a hinge seat, and the box cover 51 is welded with the upper charging barrel 31 and the feeding cover 41, so that the box cover 51 can rotate relative to the frame body 1, and the adjustment of the horizontal angle of the upper charging barrel 31 is facilitated; the mixing shaft 42 is rotationally connected with the charging cover 41, the mixing shaft 42 is connected with the second auxiliary chain wheel 56 in a key mode, the blades 44 are welded on the supporting rod 43, the mixing shaft 42 drives the blades 44 on the supporting rod 43 to rotate, and the added raw materials are mixed once before entering the charging barrel 31.

Example 2

As shown in fig. 5, 6 and 8, the variable-frequency spiral feeding mechanism for the mixer comprises a frame body 1, a spiral feeding mechanism 3 arranged at the upper end of the frame body 1 and used for feeding, an adjusting mechanism 2 used for adjusting the elevation angle of the spiral feeding mechanism 3 is arranged between the spiral feeding mechanism 3 and the frame body 1, a mixing mechanism 4 used for mixing feeding materials and a power mechanism 5 connected to one end of the spiral feeding mechanism 3 and one end of the mixing mechanism 4 are arranged on one side of the upper end of the spiral feeding mechanism 3, the adjusting mechanism 2 is connected with the frame body 1 and the spiral feeding mechanism 3, and the spiral feeding mechanism 3 is communicated with the mixing mechanism 4;

Preferably: the power assembly comprises a hydraulic telescopic rod 27 connected to the middle part of the sliding rod 23, the fixed end of the hydraulic telescopic rod 27 is connected with the vertical plate 21, the sliding rod 23 is pushed to move through the extension and contraction of the hydraulic telescopic rod 27, the supporting angle of the supporting rod 24 is adjusted, and the elevation angle of the charging barrel 31 is adjusted; the sliding rod 23 is connected with the sliding frame 22 in a sliding mode, two supporting rods 24 are arranged on the sliding rod 23, and the supporting rods 24 are connected with the charging barrel 31 through hinged seats, so that the charging barrel 31 is stably supported through the supporting rods 24 in the moving process of the sliding rod 23; the rotating shaft 32 is rotatably connected with the feeding barrel 31, the two rotating shafts 32 are positioned on the same horizontal plane, smooth rotation of the two rotating shafts 32 is ensured, and feeding is mixed when the rotating shafts rotate mutually; the helical blades 33 are welded with the rotating shafts 32, and the helical blades 33 on the two rotating shafts 32 are opposite in rotation direction, so that when the two rotating shafts 32 rotate, the helical blades 33 push the raw materials upwards at the same time; the rotary shaft 32 is keyed with a gear 55, the gear 55 is engaged with each other, the first sub sprocket 54 is keyed with the rotary shaft 32, power is stably transmitted to the rotary shaft 32 through the gear 55, and power is transmitted to the hybrid shaft 42 through the first sub sprocket 54; the main chain wheel 53, the first auxiliary chain wheel 54 and the second auxiliary chain wheel 56 are double chain wheels, the main chain wheel 53 is in chain connection with the first auxiliary chain wheel 54 at one position, the first auxiliary chain wheel 54 at the other position is in chain connection with the second auxiliary chain wheel 56, and the power of the motor 52 is guaranteed to be transmitted on the rotating shaft 32 and the mixing shaft 42 through the main chain wheel 53, the first auxiliary chain wheel 54 and the second auxiliary chain wheel 56, and multiple movements are achieved through one power part; the lower end of the box cover 51 is connected with the frame body 1 through a hinge seat, and the box cover 51 is welded with the upper charging barrel 31 and the feeding cover 41, so that the box cover 51 can rotate relative to the frame body 1, and the adjustment of the horizontal angle of the upper charging barrel 31 is facilitated; the mixing shaft 42 is rotationally connected with the charging cover 41, the mixing shaft 42 is connected with the second auxiliary chain wheel 56 in a key mode, the blades 44 are welded on the supporting rod 43, the mixing shaft 42 drives the blades 44 on the supporting rod 43 to rotate, and the added raw materials are mixed once before entering the charging barrel 31.

The working principle and the using process of the utility model are as follows: the whole is moved to one side of the mixer, the screw 25 of the adjusting mechanism 2 rotates or the telescopic rod 23 of the hydraulic telescopic rod 27 is pushed to move, the supporting rod 24 is enabled to support the elevation angle change of the upper charging barrel 31, the discharging pipe 34 at the lower end of the upper charging barrel 31 is aligned with the charging opening of the mixer, the motor 52 of the power mechanism 5 is started, the raw materials added through the charging cover 41 are mixed by the blade 44 on the supporting rod 43 and enter the upper charging barrel 31 through the power transmission among the main chain wheel 53, the first auxiliary chain wheel 54, the gear 55 and the second auxiliary chain wheel 56, then the raw materials are mixed again while moving forwards through the relative pushing of the helical blade 33 through the rotating shaft 32 which rotates relatively, and then the raw materials fall into the mixer through the discharging pipe 34.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. A frequency conversion spiral feed mechanism for blendor, including support body (1), its characterized in that: the spiral feeding mechanism (3) is arranged at the upper end of the frame body (1) and used for feeding, an adjusting mechanism (2) used for adjusting the elevation angle of the spiral feeding mechanism (3) is arranged between the spiral feeding mechanism (3) and the frame body (1), a mixing mechanism (4) used for mixing feeding materials and a power mechanism (5) connected to one end of the spiral feeding mechanism (3) and one end of the mixing mechanism (4) are arranged on one side of the upper end of the spiral feeding mechanism (3), the adjusting mechanism (2) is connected with the frame body (1) and the spiral feeding mechanism (3), and the spiral feeding mechanism (3) is communicated with the mixing mechanism (4);

the adjusting mechanism (2) comprises two vertical plates (21) arranged at the upper end of the frame body (1), sliding frames (22) are arranged on the front side and the rear side between the vertical plates (21), sliding rods (23) are arranged between the sliding frames (22), supporting rods (24) are rotatably connected onto the sliding rods (23), and power components for providing moving power for the sliding rods (23) are connected onto the sliding rods (23);

the spiral feeding mechanism (3) comprises a feeding barrel (31), two rotating shafts (32) are arranged on the inner side of the feeding barrel (31), spiral blades (33) are arranged on the outer diameter of each rotating shaft (32), one end of each rotating shaft (32) penetrates through the feeding barrel (31) to be connected with the power mechanism (5), and a discharging pipe (34) is arranged at the position, far away from the mixing mechanism (4), of the lower end of the feeding barrel (31);

the mixing mechanism (4) comprises a feeding cover (41), the upper end of the feeding cover (41) is funnel-shaped, the lower end of the feeding cover (41) is vertical, a mixing shaft (42) is arranged on the inner side of the lower end of the feeding cover (41), supporting rods (43) are uniformly distributed on the outer diameter of the mixing shaft (42), blades (44) are arranged on the supporting rods (43), and one end of the mixing shaft (42) is connected with the power mechanism (5);

the power mechanism (5) comprises a box cover (51), a motor (52) is arranged on one side of the box cover (51), a main chain wheel (53) is connected to an output shaft of the motor (52), a gear (55) and a first auxiliary chain wheel (54) which are connected with the rotating shaft (32) are arranged on the upper side of the main chain wheel (53), and a second auxiliary chain wheel (56) connected with the mixing shaft (42) is arranged on the upper side of the first auxiliary chain wheel (54).

2. The variable frequency screw feed mechanism for a mixer of claim 1, wherein: the power assembly comprises a lead screw (25) penetrating through the sliding rod (23), two ends of the lead screw (25) are rotatably connected with the vertical plate (21), a servo motor (26) connected with the lead screw (25) is arranged at one end of the vertical plate (21), and the lead screw (25) is in threaded connection with the sliding rod (23).

3. The variable frequency screw feed mechanism for a mixer of claim 1, wherein: the power assembly comprises a hydraulic telescopic rod (27) connected to the middle of the sliding rod (23), and the fixed end of the hydraulic telescopic rod (27) is connected with the vertical plate (21).

4. The variable frequency screw feed mechanism for a mixer of claim 1, wherein: the sliding rod (23) is connected with the sliding frame (22) in a sliding mode, the supporting rod (24) is arranged on the sliding rod (23) in two positions, and the supporting rod (24) is connected with the upper charging barrel (31) through a hinged seat.

5. The variable frequency screw feed mechanism for a mixer of claim 1, wherein: the rotating shaft (32) is rotatably connected with the upper charging barrel (31), and the two rotating shafts (32) are positioned on the same horizontal plane.

6. The variable frequency screw feed mechanism for a mixer of claim 5, wherein: the helical blades (33) are welded with the rotating shaft (32), and the helical blades (33) on the two rotating shafts (32) are opposite in rotation direction.

7. The variable frequency screw feed mechanism for a mixer of claim 1, wherein: the rotating shaft (32) is in key connection with the gear (55), the gears (55) are meshed with each other, and the first auxiliary chain wheel (54) is in key connection with the rotating shaft (32).

8. The variable frequency screw feed mechanism for a mixer of claim 1, wherein: the main chain wheel (53), the first auxiliary chain wheel (54) and the second auxiliary chain wheel (56) are double chain wheels, the main chain wheel (53) is connected with one of the first auxiliary chain wheel (54) in a chain mode, and the first auxiliary chain wheel (54) is connected with the second auxiliary chain wheel (56) in a chain mode.

9. The variable frequency screw feed mechanism for a mixer of claim 1, wherein: the box cover (51) lower extreme with support body (1) is connected through articulated seat, box cover (51) with go up feed cylinder (31) reinforced cover (41) welding.

10. The variable frequency screw feed mechanism for a mixer of claim 1, wherein: mix axle (42) with reinforced cover (41) rotate to be connected, mix axle (42) with second auxiliary sprocket (56) key-type connection, blade (44) are in weld on branch (43).