CN215654995U

CN215654995U - High-efficient biax mixes machine

Info

Publication number: CN215654995U
Application number: CN202121891283.5U
Authority: CN
Inventors: 王崇宇; 刘婵
Original assignee: Xiamen Chongming Chanming Biotechnology Co ltd
Current assignee: Xiamen Chongming Chanming Biotechnology Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-28
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a high-efficiency double-shaft mixer, which comprises a mixer body, a stirring mechanism and a cooling device, wherein the mixer body is provided with a stirring shaft; a mixing cavity is arranged in the machine body, and a feed hopper and a discharge port which are communicated with the mixing cavity and a cooling water path which is communicated with a water inlet end of the cooling device are arranged on the machine body; the stirring mechanism comprises two stirring shafts which are rotatably arranged on the machine body and a stirring shaft driving piece which is in transmission connection with the two stirring shafts and drives one stirring shaft to rotate together; the stirring shafts are provided with a plurality of spiral blade parts at intervals, the spiral blade parts on the two stirring shafts are distributed in a staggered manner and have opposite spiral directions, and two free ends of the spiral blade part on one stirring shaft extend towards two adjacent spiral blade parts on the other stirring shaft respectively; the stirring shaft is provided with a cooling channel communicated with the water outlet end of the cooling device, the water outlet end of the cooling channel is communicated with the water inlet end of the cooling waterway, and the spiral blade part is provided with a cooling space communicated with the cooling channel. The utility model can fully stir and uniformly mix materials and can also avoid the damage of the material quality due to high temperature.

Description

High-efficient biax mixes machine

Technical Field

The utility model relates to the technical field of mixing equipment, in particular to a high-efficiency double-shaft mixer.

Background

The mixer is a mechanical device which uniformly mixes two or more materials (granules, powder and the like) by utilizing mechanical force, gravity and the like, and is widely applied to the industries of chemical industry, dye, medicine, food, feed, petroleum, metallurgical mines and the like. The principle of the mixer is that the material is stirred and mixed by the rotation of blades on a stirring shaft.

The mixing machine of tradition adopts single (mixing) shaft to stir the compounding more, fills more or more for gluing under the condition thick at the material, and the material is great to the resistance of (mixing) shaft, leads to its operational capability not enough easily, stirs inadequately. Therefore, the materials can be fully stirred only by long-time stirring, the stirring efficiency is low, the materials are longer in time consumption due to the fact that the materials are mixed, the temperature of the materials can rise through long-time friction, and high temperature can destroy some trace elements in the materials, so that the quality of the mixed materials is damaged.

And because the paddle on the stirring shaft is vertical to the stirring shaft, when the stirring shaft rotates, the paddle can only turn over the materials up and down, and the materials cannot be stirred back and forth. And in order to improve degree of automation, generally be provided with the feed inlet more than two or two on the current mixer, different feed inlets correspond different material transport mechanism, so, different materials drop into the mixer through different feed inlets, because the paddle can't come and go back and forth stirring material, can lead to the material that drops into from different feed inlets to be difficult to mix together like this, the inhomogeneous problem of mixing appears easily.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a high-efficiency double-shaft mixer which can solve the problems of insufficient material stirring and uneven mixing of the traditional mixer, so that the mixing efficiency is improved, the material can be cooled, and the quality of the mixed material is prevented from being damaged due to high temperature.

(II) technical scheme

In order to solve the technical problems, the utility model provides the following technical scheme: a high-efficiency double-shaft mixer comprises a mixer body, a stirring mechanism and a cooling device.

A mixing cavity is arranged in the machine body, a plurality of feed hoppers and discharge ports which are communicated with the mixing cavity are arranged on the machine body, a cooling water path which is communicated with a water inlet end of a cooling device is also arranged on the machine body, and the cooling water path is positioned below the mixing cavity;

the stirring mechanism comprises two stirring shafts and a stirring shaft driving piece which is in transmission connection with the two stirring shafts and drives the two stirring shafts to rotate together, and the two stirring shafts are both rotatably arranged on the machine body and are parallel to each other; at least two spiral blade parts are arranged on the stirring shafts at intervals, the spiral blade parts on the two stirring shafts are distributed in a staggered manner and have opposite spiral directions, and two free ends of the spiral blade part on one stirring shaft extend towards two adjacent spiral blade parts on the other stirring shaft respectively; the stirring shaft is provided with a cooling channel communicated with the water outlet end of the cooling device, the water outlet end of the cooling channel is communicated with the water inlet end of the cooling waterway, and the spiral blade part is provided with a cooling space communicated with the cooling channel;

the cooling device is arranged outside the machine body and used for controlling the temperature in the mixing cavity so as to keep the materials at a proper temperature.

Further, the cooling space is spiral, and the spiral direction is consistent with the corresponding spiral blade part.

So set up, can increase the heat reduction area, reduce the temperature of helical blade portion fast, avoid having the helical blade portion and the material contact of high temperature to make the material quality impaired because of the high temperature.

In a further arrangement, the cooling device is a water chiller, the water outlet end of the water chiller is respectively communicated with the water inlet ends of the two cooling channels through a three-way pipe, the water inlet end of the cooling waterway is communicated with the water outlet ends of the two cooling channels through a three-way pipe, and the water outlet end of the cooling waterway is communicated with the water inlet end of the water chiller.

So set up, during the cold water machine starts, carry cold water to flow into the cooling passageway in two (mixing) shafts respectively through the three-way pipe, the cold water in two cooling passageways flows into the cooling water route through the three-way pipe and flows equally, returns at last and refrigerates in the cold water machine to form cold circulation, take away the heat of (mixing) shaft, spiral leaf portion and hybrid chamber bottom fast, thereby avoid high temperature to make the material quality impaired.

In a further arrangement, the cooling device further comprises a temperature sensor, and the temperature sensor is arranged on the inner wall of the mixing cavity and used for sensing the temperature of the material.

So set up, conveniently control the cold water machine according to the actual temperature value in the mixing chamber and be the material cooling.

Further, a temperature display is arranged on the machine body and electrically connected with the temperature sensor, and the temperature display is used for displaying the measurement value of the temperature sensor.

So set up, make operating personnel can observe the actual temperature value in the mixing chamber more directly perceivedly to control heat sink's temperature at any time, make the material keep suitable temperature, avoid the material quality impaired.

Further, the stirring shaft driving part comprises a rotating motor and a transmission gear set, a motor shaft of the rotating motor is in transmission connection with the transmission gear set, and the transmission gear set is in transmission connection with the two stirring shafts respectively.

With the arrangement, when the rotating motor is started, the two stirring shafts are respectively driven to rotate by the transmission gear set, and then the rotating motor is adopted to simultaneously drive the two stirring shafts, so that the mechanical cost is greatly reduced.

Further setting, aforementioned drive gear group includes driving gear and two driven gear, and rotating electrical machines's motor shaft and driving gear fixed connection, driving gear respectively with two driven gear meshing, the (mixing) shaft both ends stretch out the organism and be close to the one end of (mixing) shaft driving piece and be equipped with and correspond driven gear meshed's driven tooth portion.

So set up, when the rotating electrical machines started, the drive driving gear rotated, and two driven gear of driving gear drive rotated, and two driven gear are through the driven tooth meshing with corresponding to drive two (mixing) shafts respectively and rotate thereupon.

Further, the reference circle diameters of the driving gear, the driven gear and the driven tooth part are sequentially increased.

So set up, drive gear group plays the deceleration effect through the mode that the pinion drove the gear wheel, then rotating electrical machines through drive gear group speed reduction back with stirring shaft connection, not direct and stirring shaft connection, effectively avoid rotating electrical machines to the rotational speed of (mixing) shaft too fast to reach soft mixture, do not harm the effect of material, improve mixing quality.

(III) advantageous effects

Compared with the prior art, the efficient double-shaft mixer provided by the utility model has the following beneficial effects:

1. multiple materials to be mixed enter the mixing cavity through the feed hopper, the stirring shafts are driven to rotate by the stirring shaft driving piece and stir the materials at the same time, the problem that the materials of the traditional mixer are not stirred sufficiently is solved, and the materials are discharged out of the mixing cavity through the discharge port after being mixed uniformly;

because the spiral directions of the spiral blade parts of the two stirring shafts are opposite, and the two free ends of the spiral blade part on one stirring shaft extend towards the two adjacent spiral blade parts on the other stirring shaft respectively, when the stirring shaft driving part drives the two stirring shafts to rotate, the spiral blade parts spirally stir materials, and simultaneously the spiral blade parts swing the materials to the two adjacent spiral blade parts on the other stirring shaft to form a W-shaped mixing path, so that the mixing is more sufficient;

3. in the mixing process, because the material is through with the (mixing) shaft, spiral leaf portion, the easy heat that produces of mixing chamber inside friction, and the heat that also produces easily of friction between material and the material, carry the coolant liquid through the cooling channel in proper order through the heat sink, spiral leaf portion and cooling water route return the heat sink in and refrigerate, thereby form the cold cycle, can reduce the (mixing) shaft fast, the temperature of spiral leaf portion and mixing chamber bottom, thereby avoid having the (mixing) shaft of high temperature, spiral leaf portion and mixing chamber inner wall and material contact, and take away the heat that the material produced because of long-time friction in the mixing chamber fast, so that the material keeps suitable temperature (suitable temperature is the temperature range when the material steady quality of waiting to mix promptly, when exceeding this scope, the material quality is unstable, be destroyed easily), avoid high temperature to make the material quality impaired.

Therefore, the utility model solves the problems of insufficient material stirring and uneven mixing of the traditional mixer, thereby improving the mixing efficiency, and also can cool the material to avoid the quality of the mixed material from being damaged due to high temperature.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the backside of the present invention;

FIG. 3 is a structural cross-sectional view of the present invention;

FIG. 4 is a schematic view of the structure of two stirring shafts;

FIG. 5 is a sectional view showing the structure of the stirring shaft.

Reference numerals: 1. a body; 11. a mixing chamber; 12. a feed hopper; 13. a discharge port; 14. a cooling waterway; 15. a motor frame; 2. a stirring mechanism; 21. a stirring shaft; 211. a helical blade portion; 2111. a cooling space; 212. a cooling channel; 213. a driven tooth portion; 22. a stirring shaft driving member; 221. a rotating electric machine; 222. a drive gear set; 2221. a driving gear; 2222. a driven gear; 3. a cooling device; 31. a water chiller; 32. a temperature sensor; 4. a three-way pipe; 5. a temperature display; 6. and a discharging cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, wherein fig. 1 is a schematic structural diagram of a front side of the present invention; FIG. 2 is a schematic view of the backside of the present invention; FIG. 3 is a structural cross-sectional view of the present invention; FIG. 4 is a schematic view of the structure of two stirring shafts; FIG. 5 is a sectional view showing the structure of the stirring shaft.

The utility model provides a high-efficiency double-shaft mixer which comprises a mixer body 1, a stirring mechanism 2 and a cooling device 3.

The internal division of organism 1 has the discharge gate 13 of hybrid chamber 11 and with hybrid chamber 11 intercommunication, and two feeder hoppers 12 with hybrid chamber 11 intercommunication are installed to 1 top of organism, still are equipped with on the organism 1 with the cooling water route 14 of the end intercommunication of intaking of heat sink 3, cooling water route 14 is located hybrid chamber 11 below.

The stirring mechanism 2 comprises two stirring shafts 21 and a stirring shaft driving part 22 which is in transmission connection with the two stirring shafts 21 and drives the two stirring shafts 21 to rotate together, and the two stirring shafts 21 are rotatably arranged on the machine body 1 through bearings and are distributed in parallel.

So, treat that the multiple material of mixing gets into mixing chamber 11 respectively through feeder hopper 12 two, stir multiple material when driving two (mixing) shaft 21 rotations through (mixing) shaft driving piece 22, solved the traditional insufficient problem of mixer material stirring, through discharge gate 13 discharge mixing chamber 11 behind the misce bene.

At least two spiral blade parts 211 are arranged on the stirring shaft 21 at intervals, and the spiral blade parts 211 of the two stirring shafts 21 are distributed in a staggered mode, so that interference is avoided. The spiral directions of the spiral blade parts 211 of the two stirring shafts 21 are opposite, two free ends of the spiral blade part 211 on one stirring shaft 21 extend towards two adjacent spiral blade parts 211 on the other stirring shaft 21 respectively, so that when the stirring shaft driving part 22 drives the two stirring shafts 21 to rotate, the spiral blade parts 211 stir materials in a spiral mode, and meanwhile the spiral blade parts 211 throw the materials to two adjacent spiral blade parts 211 on the other stirring shaft 21 to form a W-shaped mixing path, and therefore mixing is more sufficient.

The stirring shaft 21 is provided with a cooling channel 212 communicated with the water outlet end of the cooling device 3, and the water outlet end of the cooling channel 212 is communicated with the water inlet end of the cooling waterway 14. The spiral blade portion 211 is provided with a cooling space 2111 communicating with the cooling passage 212.

The cooling device 3 is installed outside the machine body 1 and used for controlling the temperature in the mixing cavity 11 so as to keep the materials at a proper temperature (the proper temperature is the temperature range when the quality of the materials to be mixed is stable, and the quality of the materials is unstable and easy to damage when the proper temperature exceeds the temperature range).

In the mixing process, because the material is through with (mixing) shaft 21, spiral blade portion 211, the easy heat that produces of 11 inside frictions in hybrid chamber, and the heat that also produces easily of friction between material and the material, carry the coolant liquid through heat sink 3 and pass through cooling channel 212 in proper order, spiral blade portion 211 and cooling water route 14 back return and refrigerate in the heat sink 3, thereby form cold cycle, can reduce (mixing) shaft 21 fast, the temperature of spiral blade portion 211 and hybrid chamber 11 bottom, thereby avoid having high temperature (mixing) shaft 21, spiral blade portion 211 and 11 inner walls in hybrid chamber and material contact, and take away the heat that the interior material of hybrid chamber 11 produced because of long-time friction fast, so that the material keeps suitable temperature, avoid high temperature to make the material quality impaired.

The cooling space 2111 has a spiral shape, and the spiral direction coincides with the corresponding spiral vane portion 211. So, can increase the heat reduction area, reduce the temperature of helical blade portion 211 fast, avoid having helical blade portion 211 and the material contact of high temperature to make the material quality impaired because of the high temperature.

The cooling device 3 is a water cooler 31, the water outlet end of the water cooler 31 is respectively communicated with the water inlet ends of the two cooling channels 212 through a three-way pipe 4, the water inlet end of the cooling waterway 14 is communicated with the water outlet ends of the two cooling channels 212 through the three-way pipe 4, and the water outlet end of the cooling waterway 14 is communicated with the water inlet end of the water cooler 31. The water chiller 31 is used to inject cold water into the cooling passage 212, the cooling space 2111 and the cooling waterway 14. So, when cold water machine 31 starts, carry during cold water flows into the cooling passageway 212 in two (mixing) shafts 21 respectively through three-way pipe 4, cold water in two cooling passageways 212 flows into cooling water route 14 through three-way pipe 4 is flow equalized, returns at last and refrigerates in cold water machine 31 to form cold circulation, with the heat of taking away (mixing) shaft 21, spiral leaf portion 211 and mixing chamber 11 bottom fast, thereby avoid high temperature to make the material quality impaired.

The cooling device 3 further comprises a temperature sensor 32, wherein the temperature sensor 32 is installed on the inner wall of the mixing cavity 11 and used for sensing the temperature of the material, so that the water cooler 31 is controlled to cool the material according to the actual temperature value in the mixing cavity 11.

The machine body 1 is also provided with a temperature display 5, the temperature display 5 is electrically connected with the temperature sensor 32, and the temperature display 5 is used for displaying the measurement value of the temperature sensor 32. So, make operating personnel can observe the actual temperature value in the mixing chamber 11 more directly perceivedly to control heat sink 3's temperature at any time, make the material keep suitable temperature, avoid the material quality impaired.

The stirring shaft driving part 22 comprises a rotating motor 221 and a transmission gear set 222, wherein a motor shaft of the rotating motor 221 is in transmission connection with the transmission gear set 222, and the transmission gear set 222 is in transmission connection with the two stirring shafts 21 respectively. Thus, when the rotating motor 221 is started, the two stirring shafts 21 are driven to rotate by the transmission gear set 222, and one rotating motor 221 is adopted to drive the two stirring shafts 21 simultaneously, so that the mechanical cost is greatly reduced.

The transmission gear set 222 includes a driving gear 2221 and two driven gears 2222, the driving gear 2221 and the two driven gears 2222 are all rotatably installed outside the machine body 1 through shafts, a motor shaft of the rotating motor 221 is welded to the driving gear 2221, the driving gear 2221 is respectively engaged with the two driven gears 2222, the two driven gears 2222 are rotatably installed on a shaft welded outside the machine body 1, and driven teeth 213 engaged with the corresponding driven gears 2222 are provided at one end of the stirring shaft 21, which is close to the stirring shaft driving member 22, and the two ends of the stirring shaft extend out of the machine body 1. Thus, when the rotating electrical machine 221 is started, the driving gear 2221 is driven to rotate, the driving gear 2221 drives the two driven gears 2222 to rotate, and the two driven gears 2222 are engaged with the corresponding driven tooth portions 213, so that the two stirring shafts 21 are driven to rotate respectively.

The reference circle diameters of the driving gear 2221, the driven gear 2222, and the driven tooth portion 213 are increased in this order. So, drive gear group 222 plays the deceleration effect through the mode that the pinion drove the gear wheel, then rotating electrical machines 221 through drive gear group 222 speed reduction back be connected with (mixing) shaft 21, not directly be connected with (mixing) shaft 21, effectively avoid rotating electrical machines 221 to be too fast to the rotational speed of (mixing) shaft 21 to reach soft mixture, do not harm the effect of material, improve mixing quality.

The outer side of the machine body 1 is fixedly connected with a motor frame 15 through bolts, the rotating motor 221 is fixedly installed on the motor frame 15 through bolts, and a motor shaft of the rotating motor 221 penetrates through the motor frame 15 to be connected with the driving gear 2221.

The discharge port 13 of the machine body 1 is detachably provided with a discharge cover plate 6 for closing the discharge port 13 in a bolt mode and the like.

When the mixer works, firstly, the rotating motor 221 is started, and the two stirring shafts 21 are driven to rotate respectively through the transmission gear set 222; then, a plurality of materials to be mixed are respectively put into the feed hopper 12, and the plurality of materials enter the mixing cavity 11 to be mixed; when the stirring shaft 21 rotates, the spiral blade part 211 spirally stirs the materials and continuously mixes all the materials; in the mixing process, the water cooling machine 31 is controlled according to the temperature value displayed by the temperature display 5, so that the material is kept at the proper temperature; after uniform and full mixing, the discharge cover plate 6 is opened, and the mixture is discharged out of the mixing cavity 11 from the discharge hole 13.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-efficiency double-shaft mixer is characterized by comprising a mixer body, a stirring mechanism and a cooling device;

2. A high-efficiency twin-shaft mixer according to claim 1, wherein said temperature-reducing space is formed in a spiral shape, and the spiral direction thereof coincides with the direction of the corresponding spiral blade portion.

3. The high-efficiency double-shaft mixer according to claim 1 or 2, wherein the cooling device is a water chiller, the water outlet ends of the water chiller are respectively communicated with the water inlet ends of the two cooling channels through a three-way pipe, the water inlet end of the cooling waterway is communicated with the water outlet ends of the two cooling channels through a three-way pipe, and the water outlet end of the cooling waterway is communicated with the water inlet end of the water chiller.

4. The high-efficiency dual-shaft mixer of claim 3 wherein the temperature reduction device further comprises a temperature sensor disposed on the inner wall of the mixing chamber for sensing the temperature of the material.

5. The high-efficiency double-shaft mixer as claimed in claim 4, wherein the body is further provided with a temperature display, the temperature display is electrically connected with the temperature sensor, and the temperature display is used for displaying the measured value of the temperature sensor.

6. A high-efficiency twin-shaft mixer according to claim 1 wherein the agitator shaft drive comprises a rotary motor and drive gear sets, the motor shaft of the rotary motor being drivingly connected to the drive gear sets, the drive gear sets being drivingly connected to both agitator shafts respectively.

7. A high-efficiency double-shaft mixer as claimed in claim 6, wherein said drive gear set comprises a driving gear and two driven gears, the motor shaft of the rotating motor is fixedly connected with the driving gear, the driving gear is engaged with the two driven gears respectively, and the end of the stirring shaft extending out of the mixer body and close to the driving part of the stirring shaft is provided with a driven tooth part engaged with the corresponding driven gear.

8. The high-efficiency twin-shaft mixer according to claim 7, wherein the pitch circle diameters of said driving gear, said driven gear and said driven gear portion are increased in order.