CN217287987U - Mixing stirrer - Google Patents

Abstract

The utility model provides a mixing stirrer, which comprises a plurality of feeding devices, stirring devices and a frame; the rack is provided with a first placing table and a second placing table, and the first placing table is positioned above the second placing table; the feeding device is arranged on the first placing table; the stirring device comprises a stirring motor, a rotating main shaft, a stirring drum and a mixing and stirring tool, wherein the stirring motor is installed on the second placing table, an output shaft of the stirring motor is connected with the rotating main shaft through a coupler, the mixing and stirring tool is sleeved on the rotating main shaft, the stirring tool is arranged in the stirring drum, the stirring drum is installed on the frame, a feeding hole and a discharging hole are formed in the stirring drum, and a continuous weighing and discharging device is arranged at the feeding hole and the discharging hole of the feeding device. Stirring mixing cutter can evenly stir the mixture to carry out the ejection of compact in succession through the discharging device that weighs in succession, when guaranteeing the required weight of ejection of compact, carry out the ejection of compact in succession, improved production efficiency.

Description

Mixing stirrer

Technical Field

The utility model relates to an agitated vessel field specifically, relates to a mix mixer.

Background

In various industries such as plastic chemical industry, feed, food, pharmacy and the like, various raw materials need to be fully stirred and mixed according to a certain formula proportion so as to meet the process requirements. At present, the batch production is mainly carried out discontinuously by adopting a horizontal or vertical stirring mixer, and the batch production is generally composed of a container sleeve, a stirring sleeve and a rotating sleeve device. An operator weighs different materials according to the formula requirement and puts the materials into a mixing container one by one, a top cover of a feeding port is closed, and a motor is started to drive a stirring part sleeve to work. The stirring blades shear the materials at a high speed, the stirring is stopped after the set time is reached, and the discharge port is opened to pour out the stirred materials to finish the stirring.

The existing mixing device has different mixing uniformity degrees, the discharge port of the stirred material needs to be closed every time in the process of discharging, the material receiving container below the discharge port is moved away, then a new material receiving container is placed below the discharge port, the operation is complex, and the working efficiency is low.

In order to solve the technical problem, the utility model provides a mixing stirrer.

Disclosure of Invention

In order to solve the prior art problem, the utility model provides a mix mixer.

A mixing stirrer comprises a plurality of feeding devices, stirring devices and a frame;

a first placing table and a second placing table are arranged on the rack, and the first placing table is positioned above the second placing table;

the feeding device is arranged on the first placing table;

agitating unit includes agitator motor, rotating main shaft, churn and mixes stirring cutter, agitator motor install in the second is placed on the platform, the agitator motor output shaft passes through the coupling joint rotating main shaft, mix stirring cutter cover and locate on the rotating main shaft, just stirring cutter set up in the churn, the churn install in the frame, be equipped with feed inlet and discharge gate on the churn, the feed inlet with feed arrangement discharge gate department is equipped with the discharging device of weighing in succession.

In this technical scheme, the raw materials that need mix pass through feed arrangement and carry the churn in, agitator motor rotates and drives rotatory main shaft and rotate, and the last mixing stirring cutter of rotatory main shaft rotates, mixes the stirring with the mixed raw materials in the churn, and the material gets into continuous feed divider through the discharge gate and carries out the ejection of compact after mixing. Stirring mixing cutter among this technical scheme can evenly stir the mixture to carry out the ejection of compact in succession through the discharging device that weighs in succession, when guaranteeing the required weight of ejection of compact, carry out the ejection of compact in succession, improved production efficiency.

On the basis of the above scheme and as a preferable scheme of the scheme: mix stirring cutter including propulsion blade, a plurality of agitator blade subassembly and reverse vane, propulsion blade, agitator blade subassembly and reverse vane are close to along the rotating main shaft one end of agitator motor output shaft to the other end set gradually in the rotating main shaft surface.

Among this technical scheme, provide a concrete structure of mixing stirring cutter, impel the blade and will follow the area mixing material that the feed inlet got into in the churn and to the propelling movement in the churn for stirring piece subassembly is to treating the mixing material and stirs, and the orientation blade will be through waiting that the mixing material of stirring piece subassembly mixing stirring carries the stirring piece subassembly once more to stir, guarantees that the mixing material is even mixing material in the churn, improves mixing material's off-the-shelf quality.

On the basis of the above scheme and as a preferable scheme of the scheme: the propelling blade is an upper helical blade which extends a distance spirally from one end of the rotating main shaft close to the output shaft of the stirring motor to the other end of the rotating main shaft;

and the reverse blade spirally extends a distance from one end of the rotating main shaft far away from the output shaft of the stirring motor to the other end of the rotating main shaft.

In the technical scheme, a specific structure of the propelling blade and the reverse blade is provided, and the upper spiral blade can continuously convey mixed materials in the stirring cylinder to the region of the stirring sheet assembly for stirring; the mixed material of lower helical blade process agitator assembly region is carried the agitator assembly region once more and is stirred for the mixed material in the churn can carry out continuous mixing stirring, has guaranteed the homogeneity after the mixed material stirring.

On the basis of the above scheme and as a preferable scheme of the scheme: the stirring piece subassembly includes three stirring piece, each the stirring piece is including all locating a plurality of stirring leaves of rotatory main shaft surface, and is adjacent relative stirring leaf has certain phase angle on the stirring piece.

Among this technical scheme, provide each stirring vane's concrete structure to and have certain phase angle between the adjacent stirring piece, different phase angles are used for adapting to different material characteristics and obtain best compounding effect.

On the basis of the above scheme and as a preferable scheme of the scheme: and adjacent stirring blades on adjacent stirring blades are set to be opposite in phase angle.

Among this technical scheme, establish to opposite phase angle between the adjacent stirring leaf, can make the mixing material stirring also can radially shear the material when carrying out reciprocating motion in the churn, also can follow the axle center to drum wall material of shedding all around, also can promote the material along the axial simultaneously.

On the basis of the above scheme and as a preferable scheme of the scheme: and two ends of the rotating main shaft are respectively provided with a bearing seat, and each bearing seat is arranged on the outer side of the end part of the adjacent mixing drum.

In the technical scheme, the bearing shafts at the two ends of the rotating main shaft can keep continuous and stable rotation of the rotating main shaft in the rotating process, and uniform mixing of mixed materials in the mixing drum is facilitated to be guaranteed.

On the basis of the above scheme and as a preferable scheme of the scheme: the continuous weighing and discharging device comprises a buffer tank, a material distributing device and a weighing device, wherein the upper end of the buffer tank is communicated with the discharge port, the material distributing device is arranged below the buffer tank, the weighing device is placed on the ground, and the weighing device is provided with at least two material receiving bins.

Among this technical scheme, a concrete structure of discharging device weighs in succession is provided, the mixed material that the mixing was accomplished in the churn enters into the cushion jar through the discharge gate, the below of cushion jar is equipped with feed divider, feed divider carries a certain feed bin that connects with the mixed material in the cushion jar in, the weight of feed bin feeding is connect in weighing device real-time supervision, when connecing the required quality of reaching of the quality in feed bin, feed divider adjustment discharge port will mix the material after carry another idle in connecing the feed bin, take out the wrapping bag that has been full of mixed material and connect in the feed bin simultaneously, realize the continuous ejection of compact of mixed material, the production efficiency is improved.

On the basis of the above scheme and as a preferable scheme of the scheme: the material distributing device comprises a first electric butterfly valve and a second electric butterfly valve, and the first electric butterfly valve and the second electric butterfly valve are both connected with a discharging channel.

In this technical scheme, a discharging channel is controlled respectively to first electric butterfly valve and second electric butterfly valve, and crisscross first electric butterfly valve or the second butterfly valve of opening when the churn is ejection of compact at every turn guarantees the continuous ejection of compact.

On the basis of the above scheme and as a preferable scheme of the scheme: and a plurality of supports are arranged between the mixing drum and the frame.

In the technical scheme, a plurality of supports are arranged between the mixing drum and the rack and used for supporting the mixing drum and keeping the stability of the mixing drum in the working process.

On the basis of the above scheme and as a preferable scheme of the scheme: the feeding device comprises a mounting seat, a weightlessness scale, a raw material barrel and a discharging mechanism;

the mounting seat is mounted on the first placing table;

the weightlessness scale is arranged on the mounting seat;

the discharge pipe is fixed on the weightless scale, and the lower end opening of the discharge pipe is positioned above the feed inlet;

the discharging mechanism comprises a discharging motor, a discharging blade and a control device, the discharging motor is installed on the installation seat, an output shaft of the discharging motor is connected with the discharging blade through a gearbox, the discharging blade is located at the discharging opening, the control device is electrically connected with the discharging motor, and the control device is electrically connected with the weightless scale.

In this technical scheme, provide a discharging device's concrete structure, the weightlessness is called and is measured the quality of raw materials in the raw materials section of thick bamboo to convey the controlling means often with the data of surveying, controlling means is through control ejection of compact motor, and then control ejection of compact blade shelters from the size of feed opening, is used for controlling the raw materials quality that raw materials section of thick bamboo passed through the discharging pipe from the feed opening and got into the agitator.

Compared with the prior art, the technical scheme provided by the application has the following beneficial effects:

the utility model provides a mixing and stirring cutter carries stirring piece subassembly department through propulsion blade with the raw materials of feed inlet and mixes the stirring, and reverse blade carries the stirring piece once more to creep into out to mix the stirring with the material of carrying the churn tip, the utility model discloses a mixing and stirring cutter can make the material in the churn carry out reciprocating motion in the axial to mix through stirring piece subassembly and cut the stirring, guarantee the homogeneous mixing of mixing material, improve the quality of mixing material.

The utility model discloses a material distributing device, including first butterfly valve and second butterfly valve, accomplish the mixing material of stirring and enter into the buffer tank through the discharge gate, feed divider includes first butterfly valve and second butterfly valve, first butterfly valve all is equipped with a corresponding material storehouse that connects with the second butterfly valve below, it is equipped with weighing device to connect the material storehouse below, first butterfly valve and the crisscross opening of second butterfly valve, a continuous ejection of compact for realizing mixing apparatus, and weighing device's detection connects mixing material's quality in the feed bin, the in-process assurance of the continuous ejection of compact of realization mixing material is according to the partial shipment of certain quality, and the production efficiency is improved.

The feeding device can realize that the raw materials enter the mixing drum according to the set flow rate, and the raw materials are poured into the mixing drum after being manually weighed differently from the traditional materials, so that the steps of weighing are saved while accurate feeding is ensured, and the production efficiency is improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic perspective view of the stirring device of the present invention;

FIG. 3 is a schematic perspective view of the stirring tool of the present invention;

fig. 4 is a schematic partial front view of the present invention;

fig. 5 is a perspective view of the feeding device of the present invention.

In the figure: 1. a frame; 11. a first placing table; 12. a second placing table; 2. a feeding device; 21. a mounting seat; 22. A discharging motor; 221. a gearbox; 23. a control device; 24. a weightlessness scale; 25. a discharge pipe; 26. a raw material barrel; 261. a cylinder cover; 27. a rotating electric machine; 3. a continuous weighing and discharging device; 31. a buffer tank; 32. a material distributing device; 33. a material receiving bin; 34. a weighing device; 41. a stirring motor; 411. an output shaft; 42. a mixing drum; 421. a support; 422. a feed inlet; 423. a discharge port; 43. a coupling; 44. rotating the main shaft; 441. a bearing seat; 451. A propulsion blade; 452. a stirring sheet assembly; 4521. a stirring sheet; 45211. stirring blades; 453. the blades are reversed.

Detailed Description

The present invention will be described in detail with reference to specific embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

For better illustration of the present invention, the present invention is described in detail below with reference to fig. 1 to 5.

Referring to fig. 1, the problem that the existing mixing agitator is not uniform in mixing and stirring and needs to pause once in discharging is solved. The utility model provides a mixing stirrer which can mix evenly, ensure the even degree of mixed materials and can discharge materials continuously, comprising a plurality of feeding devices 2, a stirring device and a frame 1; a first placing table 11 and a second placing table 12 are arranged on the machine frame 1, and the first placing table 11 is positioned above the second placing table 12; the feeding device 2 is mounted on the first placing table 11; the stirring device comprises a stirring motor 41, a rotating main shaft 44, a stirring barrel 42 and a mixing and stirring tool, wherein the stirring motor 41 is installed on the second placing table 12, an output shaft 411 of the stirring motor 41 is connected with the rotating main shaft 44 through a coupler 43, the mixing and stirring tool is sleeved on the rotating main shaft 44, the stirring tool is arranged in the stirring barrel 42, the stirring barrel 42 is installed on the rack 1, a feeding port 422 and a discharging port 423 are arranged on the stirring barrel 42, and a continuous weighing and discharging device 3 is arranged at the position of the feeding port 422 and the discharging port 423 of the feeding device 2.

In the actual use, the raw materials that need to be mixed are conveyed into the mixing drum 42 through the feeding device 2, the mixing motor 41 rotates to drive the rotating main shaft 44 to rotate, the mixing tool on the rotating main shaft 44 rotates to mix and stir the mixed raw materials in the mixing drum 42, and the mixed materials enter the continuous material distributing device 32 through the discharge port 423 to be discharged. Stirring mixing cutter among this technical scheme can evenly stir the mixture to carry out the ejection of compact in succession through the discharging device 3 that weighs in succession, when guaranteeing the required weight of ejection of compact, carry out the ejection of compact in succession, improved production efficiency.

Referring to fig. 2, in a specific example of the present embodiment, the mixing tool includes a propelling blade 451, a plurality of stirring blades 4521 and a reversing blade 453, and the propelling blade 451, the stirring blades 4521 and the reversing blade 453 are sequentially disposed on the outer surface of the rotating shaft 44 from one end of the rotating shaft 44 near the output shaft 411 of the stirring motor 41 to the other end. In actual use, impel blade 451 and will get into the area misce bene in the churn 42 from feed inlet 422 and push in to churn 42 for stirring piece 4521 subassembly stirs waiting to misce bene, and the orientation blade will be through stirring piece 4521 subassembly mixing stirring wait to misce bene and carry stirring piece 4521 subassembly again and stir, and the misce bene is even misce in the assurance churn 42, improves the off-the-shelf quality of misce bene.

Referring to fig. 2, in the specific example of the present embodiment, the propelling blade 451 is an upper spiral blade spirally extending a distance from one end of the rotating shaft 44 near the output shaft 411 of the stirring motor 41 to the other end of the rotating shaft 44; the reversing blade 453 is a lower screw blade spirally extended a distance along one end of the rotating shaft 44 away from the output shaft 411 of the agitator motor 41 to the other end of the rotating shaft 44. The upper helical blade can continuously convey the mixed materials in the stirring cylinder 42 to the region of the stirring sheet assembly 452 for stirring; the mixed material of lower helical blade process stirring piece 4521 subassembly region is carried again and is stirred in stirring piece 4521 subassembly region for the mixed material in the churn 42 can carry out continuous mixing stirring, has guaranteed the homogeneity after the mixed material stirring. A plurality of supports 421 are arranged between the mixing drum 42 and the frame 1. And a plurality of supports 421 are arranged between the mixing drum 42 and the frame 1 and are used for supporting the mixing drum 42 and keeping the stability of the mixing drum 42 in the working process.

Referring to fig. 3, the assembly of the specific example of the stirring blade 4521 of the present embodiment includes three stirring blades 4521, each stirring blade 4521 includes a plurality of stirring blades 45211 disposed on the outer surface of the rotating shaft 44, and the opposite stirring blades 45211 of adjacent stirring blades have a certain phase angle; in the present embodiment, the adjacent stirring vanes 45211 on the adjacent stirring segments 4521 are set to have opposite phase angles.

Adjacent stirring blades 4521 have a certain phase angle therebetween, and different phase angles are used for adapting to different material characteristics to obtain the best mixing effect. The adjacent mixing blades 45211 are arranged at opposite phase angles, so that when the mixed material reciprocates in the mixing drum 42, the material can be radially sheared by mixing, and can be thrown from the center of the shaft to the peripheral wall of the drum, and can be pushed axially.

Two ends of the rotating main shaft 44 are respectively provided with a bearing seat 441, and each bearing seat 441 is arranged outside the end part of the adjacent stirring cylinder 42. The bearing shafts at the two ends of the rotating main shaft 44 can ensure that the rotating main shaft 44 keeps continuous and stable rotation in the rotating process, and the uniform mixing of the mixed materials in the mixing drum 42 is ensured.

Referring to fig. 4, in the specific example of the present embodiment, the continuous weighing and discharging device 3 includes a buffer tank 31, a material distribution device 32 and a weighing device 34, an upper end of the buffer tank 31 is communicated with the discharge port 423, the material distribution device 32 is disposed below the buffer tank 31, the weighing device 34 is placed on the ground, two material receiving bins 33 are disposed on the weighing device, and each material receiving bin 33 corresponds to each discharge channel of the material distribution device 32. It should be noted that each material receiving bin 33 is provided with a material bag for containing the mixed material; it should be noted that, in other embodiments, the number of the material receiving bins 33 is not less than two, and the material receiving bins are used for realizing the continuous discharge of the mixed materials.

In the actual use process, the mixed material mixed in the mixing drum 42 enters the buffer tank 31 through the discharge hole 423, the feed divider 32 is arranged below the buffer tank 31, the mixed material in the buffer tank 31 is conveyed into a certain receiving bin 33 by the feed divider 32, the weight fed by the receiving bin 33 is monitored by the weighing device 34 in real time, when the quality of the receiving bin 33 reaches the required quality, the mixed material is conveyed into another idle receiving bin 33 by the feed divider 32 through adjusting the discharge port, and meanwhile, the packaging bags filled with the mixed material in the receiving bin 33 are taken out, so that the continuous discharge of the mixed material is realized, and the production efficiency is improved.

Referring to fig. 5, in the specific example of this embodiment, the material separating device 32 includes a first electric butterfly valve and a second electric butterfly valve, and a discharge channel is connected to both the first electric butterfly valve and the second electric butterfly valve. The first electric butterfly valve and the second electric butterfly valve respectively control a discharging channel, and the first electric butterfly valve or the second electric butterfly valve is opened in a staggered mode when the mixing drum 42 discharges materials at each time, so that continuous discharging is guaranteed. It should be noted that, in other modified embodiments, the material distribution device 32 includes four electric butterfly valves, four material receiving bins 33 are disposed above the weighing device 34, corresponding to each electric butterfly valve, two butterfly valves are opened for each material discharge, and two material receiving bins 33 receive materials at the same time, so as to ensure continuous material discharge and increase the efficiency of material discharge.

Referring to fig. 5, in the specific example of the present embodiment, the feeding device 2 includes a mounting base 21, a weightless scale 24, a raw material barrel 26, and a discharging mechanism; the mount 21 is mounted on the first placement stage 11; the weightlessness scale 24 is arranged on the mounting seat 21; the feed opening of the raw material barrel 26 is connected with a discharge pipe 25, the discharge pipe 25 is fixed on a weightless scale 24, and the lower end opening of the discharge pipe 25 is positioned above the feed opening 422; the discharging mechanism further comprises a discharging motor 22, a discharging blade and a control device 23, the discharging motor 22 is installed on the installation seat 21, an output shaft 411 of the discharging motor 22 is connected with the discharging blade through a gearbox 221, the discharging blade is located at the discharging opening, the control device 23 is electrically connected with the discharging motor 22, and the control device 23 is electrically connected with a weightlessness scale 24. The weightlessness scale 24 measures the quality of the raw material in the raw material barrel 26, transmits the measured data to the control device 23 at any time, and the control device 23 controls the discharging motor 22 to further control the size of the discharging blade for shielding the discharging opening, so as to control the quality of the raw material in the raw material barrel 26 entering the mixing tank from the discharging opening through the discharging pipe 25.

Referring to fig. 1, the present invention provides a specific example, a first placing table 11 and a second placing table 12 are provided on a frame 1, the first placing table 11 is located above the second placing table 12, four feeding devices 2 are provided on the first placing table 11, raw materials to be stirred are added into a raw material cylinder 26 of each feeding device 2 as required, a weightlessness scale 24 and a control device 23 are provided below each raw material cylinder 26, the weightlessness scale 24 transmits the result of the quality measurement of the raw material cylinder 26 to the control device 23, the control device 23 sets the rotation rate of the control discharging motor 22, accurately controls the quality of the raw materials entering into the stirring cylinder 42, and is used for improving the uniformity of mixing and stirring; the stirring device is installed on the second placing table 12, the stirring motor 41 rotates, the output shaft 411 of the stirring motor 41 drives the stirring shaft to rotate through the coupler 43, the stirring tool on the stirring shaft enables the mixed materials in the stirring cylinder 42 to be uniformly stirred, the stirred mixed materials enter the buffer tank 31 through the discharge port 423, the first butterfly valve and the second butterfly valve of the material distribution device 32 below the buffer tank 31 are opened in a staggered mode, a material receiving bin 33 is correspondingly arranged below each first butterfly valve and each second butterfly valve, a material bag is arranged in each material receiving bin 33, the first butterfly valve is opened, the material bag in the material receiving bin 33 correspondingly below each first butterfly valve is used for containing the mixed materials, when the weighing device 34 detects that the mixed materials contained in the material bags reach a set value, the first butterfly valve is closed to open the second butterfly valve, the material bag in the material receiving bin 33 correspondingly below each second butterfly valve is used for containing the mixed materials, the material bag in the first butterfly valve correspondence material receiving bin 33 is taken out simultaneously, when weighing device 34 detects that the mixed material quality reaches the setting value in the material bag in the second butterfly valve correspondence material receiving bin 33, close the second butterfly valve, open first butterfly valve, repeat above-mentioned action, realize mixed material's continuous ejection of compact, improved production efficiency.

It should be noted that the continuous discharging device in this example further includes a controller, the controller is electrically connected to the weighing device 34 and the material dividing device 32, specifically, the first butterfly valve and the second butterfly valve are electrically connected to the controller respectively, the weighing device 34 monitors the mass of the mixed material from time to time and transmits the mass to the controller, and the controller determines the opening or closing of the first butterfly valve or the second butterfly valve according to the data fed back by the weighing device 34.

The utility model discloses be applied to the in-process that solid particle including plastics chemical industry, fodder, food and pharmacy mixes, caking when solid particulate matter, there is the condition that is blockked up in the feed opening of former feed cylinder 26 below, for this reason, see that fig. 5 is shown, be equipped with rotating electrical machines 27 on the cover 261 at former feed cylinder 26 top, be equipped with the rotating cutter who is connected with rotating electrical machines 27 in the former feed cylinder 26, rotating electrical machines 27 drives rotating cutter and rotates, avoid the solid particulate matter in the former feed cylinder 26 caking to appear, guarantee that the feed opening of former feed cylinder 26 can keep even material whereabouts.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes, modifications, or combinations may be made by those skilled in the art within the scope of the claims without departing from the spirit of the present invention, as defined by the claims. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (10)

1. A mixing stirrer is characterized by comprising a plurality of feeding devices, stirring devices and a frame;

a first placing table and a second placing table are arranged on the rack, and the first placing table is positioned above the second placing table;

the feeding device is arranged on the first placing table;

agitating unit includes agitator motor, rotating main shaft, churn and mixes stirring cutter, agitator motor install in the second is placed on the platform, the agitator motor output shaft passes through the coupling joint rotating main shaft, mix stirring cutter cover and locate on the rotating main shaft, just stirring cutter set up in the churn, the churn install in the frame, be equipped with feed inlet and discharge gate on the churn, the feed inlet with feed arrangement discharge gate department is equipped with the discharging device of weighing in succession.

2. A mixer-blender according to claim 1, wherein the mixing-blending tool comprises a propelling blade, a plurality of blending blade assemblies and a counter-blade, which are sequentially provided on the outer surface of the rotating spindle from one end of the rotating spindle near the output shaft of the blending motor to the other end.

3. A mixer-mixer according to claim 2, wherein said impeller is an upper helical blade extending helically along said rotary shaft a distance from one end of said rotary shaft adjacent said mixer motor output shaft to the other end of said rotary shaft;

and the reverse blade spirally extends a distance from one end of the rotating main shaft far away from the output shaft of the stirring motor to the other end of the rotating main shaft.

4. A mixing and stirring machine according to claim 2 wherein the stirring blade assembly comprises three stirring blades, each of the stirring blades comprising a plurality of stirring vanes disposed on the outer surface of the rotating shaft, and opposing stirring vanes on adjacent stirring blades have a phase angle.

5. A mixer according to claim 4, wherein adjacent blades of adjacent blades are arranged at opposite phase angles.

6. A mixer according to claim 1, wherein a bearing block is provided at each end of the main shaft, each bearing block being located outside the end of an adjacent mixing drum.

7. The mixing and stirring machine according to claim 1, wherein the continuous weighing and discharging device comprises a buffer tank, a material distributing device and a weighing device, the upper end of the buffer tank is communicated with the discharge port, the material distributing device is arranged below the buffer tank, the weighing device is placed on the ground, and the weighing device is provided with at least two material receiving bins.

8. A mixer according to claim 7, wherein the divider comprises first and second electrically operated butterfly valves, each of the first and second electrically operated butterfly valves having an outlet passage connected thereto.

9. A mixer/agitator according to claim 1, wherein a plurality of supports are provided between the mixing drum and the frame.

10. A mixer-blender according to claim 1 in which the feeding means comprises a mounting base, a loss-in-weight scale, a feedstock cartridge and a discharge mechanism;

the mounting seat is mounted on the first placing table;

the weightlessness scale is arranged on the mounting seat;

the discharge pipe is fixed on the weightless scale, and the lower end opening of the discharge pipe is positioned above the feed inlet;

the discharging mechanism comprises a discharging motor, a discharging blade and a control device, the discharging motor is installed on the installation seat, an output shaft of the discharging motor is connected with the discharging blade through a gearbox, the discharging blade is located at the discharging opening, the control device is electrically connected with the discharging motor, and the control device is electrically connected with the weightless scale.

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