CN111889062A - Mixing equipment and method for preparing metal alloy powder - Google Patents
Mixing equipment and method for preparing metal alloy powder Download PDFInfo
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- CN111889062A CN111889062A CN202010770527.8A CN202010770527A CN111889062A CN 111889062 A CN111889062 A CN 111889062A CN 202010770527 A CN202010770527 A CN 202010770527A CN 111889062 A CN111889062 A CN 111889062A
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- 238000002156 mixing Methods 0.000 title claims abstract description 62
- 239000000843 powder Substances 0.000 title claims abstract description 26
- 229910001092 metal group alloy Inorganic materials 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 200
- 238000003756 stirring Methods 0.000 claims abstract description 59
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 230000002093 peripheral effect Effects 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000003860 storage Methods 0.000 claims abstract description 29
- 238000013461 design Methods 0.000 claims abstract description 18
- 230000003068 static effect Effects 0.000 claims abstract description 12
- 238000013016 damping Methods 0.000 claims abstract description 9
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims description 39
- 239000011261 inert gas Substances 0.000 claims description 20
- 238000009826 distribution Methods 0.000 claims description 16
- 238000007790 scraping Methods 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 12
- 239000000110 cooling liquid Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 230000003111 delayed effect Effects 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000003801 milling Methods 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 9
- 230000010006 flight Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 238000009700 powder processing Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 7
- 229910001069 Ti alloy Inorganic materials 0.000 description 6
- 238000007599 discharging Methods 0.000 description 6
- ZPZCREMGFMRIRR-UHFFFAOYSA-N molybdenum titanium Chemical compound [Ti].[Mo] ZPZCREMGFMRIRR-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/28—Moving reactors, e.g. rotary drums
- B01J19/285—Shaking or vibrating reactors; reactions under the influence of low-frequency vibrations or pulsations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/60—Mixing solids with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/56—Mixers with shaking, oscillating, or vibrating mechanisms having a vibrating receptacle provided with stirring elements, e.g. independent stirring elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8361—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
- B01F33/83613—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by grinding or milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- B22F1/0003—
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses mixing equipment for preparing metal alloy powder and a method thereof, and relates to the technical field of alloy powder processing. The invention comprises a tank body, wherein a mixing cavity is fixedly arranged in the tank body; a group of damping buffer parts distributed in a circumferential array are fixedly connected to the circumferential side surface of the tank body; the bottom of the tank body is fixedly connected with two symmetrically arranged vibration motors; a liquid storage cavity is fixedly arranged on the inner wall of the tank body; a circulating liquid inlet pipe and a circulating liquid outlet pipe are fixedly arranged on the peripheral side surface of the tank body respectively; one end of the circulating liquid inlet pipe and one end of the circulating liquid outlet pipe are both communicated with the liquid storage cavity; the tank top surface is fixedly connected with two symmetrically arranged storage boxes. According to the invention, through the design of the material turning mechanism, the static single-time stirring of the traditional materials is changed into the dynamic circulating multiple-time stirring, and during the operation, the spiral material conveying assembly can drive the materials to flow in a reciprocating and circulating manner, so that the materials can be circularly stirred and milled by virtue of the flowing effect.
Description
Technical Field
The invention belongs to the technical field of alloy powder processing, and particularly relates to mixing equipment and a mixing method for preparing metal alloy powder.
Background
Molybdenum-titanium alloy is a common material in aerospace structures, and is an alloy formed by adding a small amount of titanium element on the basis of molybdenum, raw material powder needs to be mixed in the production process, so that the molybdenum-titanium alloy is convenient for subsequent pressing, sintering and the like, the raw materials are usually mixed by adopting a mixing device, but the existing mixing device has some defects when in use:
1. after molybdenum-titanium alloy powder is mixed by the conventional raw material mixing device, the powdery molybdenum-titanium alloy is easy to adhere to the inner wall of the device, so that on one hand, the waste of raw materials is caused, and meanwhile, the device is inconvenient to clean subsequently, and the practicability of the device is reduced;
2. when the existing raw material mixing device discharges the powdery molybdenum-titanium alloy, the powdery molybdenum-titanium alloy is easy to accumulate at the discharge port to cause the blockage of the discharge port, and the discharge port needs to be manually dredged sometimes, so that the stability and continuity of the discharging process are influenced, and the use convenience of the device is reduced;
3. when the existing mixer is used for mixing, the alloy raw materials are easy to oxidize, and the existing mixer cannot make the materials fully flow when working, so that the mixing effect is poor;
in view of the above problems, it is necessary to provide an innovative design based on the original raw material mixing device.
Disclosure of Invention
The invention aims to provide mixing equipment for preparing metal alloy powder and a method thereof, which solve the problems that the existing mixing equipment for preparing the metal alloy powder is poor in mixing effect and reactants are easy to oxidize during mixing through the design of a material turning mechanism and a mixing component.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a mixing device for preparing metal alloy powder, which comprises a tank body, wherein a mixing cavity is fixedly formed in the tank body; the circumferential side surface of the tank body is fixedly connected with a group of damping buffer parts distributed in a circumferential array; the bottom of the tank body is fixedly connected with two symmetrically arranged vibration motors; a liquid storage cavity is fixedly formed in the inner wall of the tank body; a circulating liquid inlet pipe and a circulating liquid outlet pipe are fixedly arranged on the peripheral side surface of the tank body respectively; one ends of the circulating liquid inlet pipe and the circulating liquid outlet pipe are communicated with the liquid storage cavity; the top surface of the tank body is fixedly connected with two symmetrically arranged material storage boxes; one surface of each of the two storage boxes is fixedly communicated with a feeding pipe; one end of each of the two feed pipes is fixedly communicated with the tank body; quantitative blanking valves are fixedly arranged on the peripheral side surfaces of the two feeding pipes;
the position of the axis of the tank body is rotationally connected with a material turning mechanism through a bearing; the peripheral side surface of the tank body is fixedly connected with a main driving motor; one end of an output shaft of the main driving motor is in transmission connection with the material turning mechanism through a bevel gear; the peripheral side surface of the material turning mechanism is fixedly connected with a movable fluted disc, a spiral stirring main blade and a grinding seat from top to bottom respectively; a first fixed gear ring is fixedly connected to the inner wall of the tank body and corresponds to the position of the movable fluted disc; a group of material mixing components distributed in a circumferential array are meshed between the opposite surfaces of the movable fluted disc and the first stationary fluted ring; the inner wall of the tank body is also fixedly connected with a second static gear ring matched with the two mixing components; a grinding gap is formed between the grinding seat and the opposite surface of the tank body;
the bottom of the tank body is fixedly connected with a group of air distribution pipes which are distributed in a circumferential array and are mutually communicated through an air circulation ring pipe; the peripheral side surface of the tank body is also fixedly connected with an inert gas supply mechanism; one end of the air outlet of the inert gas supply mechanism is fixedly communicated with the ventilation ring pipe through a pipeline; the communicated parts of the air distribution pipes and the tank body are fixedly provided with ventilation panels;
the material turning mechanism comprises a circulating material pipe; the circumferential side surface of the circulating material pipe is rotationally connected with the tank body through a bearing; the peripheral side surface of the circulating material pipe is fixedly connected with a driven conical tooth ring; one end of the output shaft of the main driving motor is meshed with the driven bevel gear ring through a bevel gear; the driven conical tooth ring and the inner wall of the grinding seat are fixedly connected with the circulating material pipe; a spiral material conveying assembly is fixedly arranged in the circulating material pipe; the peripheral side surface of the spiral material conveying assembly is matched with the circulating material pipe; the bottom of the circulating material pipe is provided with a group of circulating material inlet holes which are distributed in a circumferential array and communicated with the material mixing cavity; the upper part of the circulating material pipe is fixedly communicated with a group of circulating material discharge pipes distributed in a circumferential array;
the two mixing assemblies respectively comprise an eccentric rotating seat; the peripheral side surface of the movable fluted disc and the inner wall of the first static tooth ring are both meshed with the eccentric rotating seat; the eccentric position of the eccentric rotating seat is rotationally connected with a main shaft through a bearing; the circumferential side surface of the main shaft is fixedly connected with a first driven gear; the circumferential side surface of the main shaft is fixedly connected with a spiral stirring auxiliary blade; the axis position of the eccentric rotating seat is rotationally connected with a shaft lever through a bearing; the peripheral side surface of the shaft lever is fixedly connected with a second driven gear and a driving gear respectively; the peripheral side surface of the second driven gear is meshed with the first driven gear; the peripheral side surface of the driving gear is meshed with the second static gear ring.
Preferably, the spiral conveying assembly comprises a spiral conveying scraping blade, an auxiliary shaft and a servo motor; one surface of the servo motor is fixedly connected with the circulating material pipe; the circumferential side surface of the shaft lever is rotationally connected with the circulating material pipe; the circumferential side surface of the shaft lever is fixedly connected with the spiral conveying scraping blade; the circumferential side surface of the spiral delivery scraping blade is matched with the circulating material pipe.
Preferably, the bottom end of the circulating material pipe extends to the outside of the tank body; a discharge valve is fixedly arranged on the peripheral side surface of the circulating material pipe and extends to the outside of the tank body; and a discharge opening is fixedly formed at the bottom of the circulating material pipe.
Preferably, the grinding gap is arranged in a gradually narrowing manner; the position of the grinding seat corresponds to the position of the circulating material inlet hole; the top of the grinding seat is fixedly provided with a material guide inclined plane.
Preferably, a controller is fixedly mounted on the peripheral side surface of the tank body; the spiral direction of the spiral stirring main blade is the same as that of the spiral stirring auxiliary blade; the bottom of the tank body is of a funnel-shaped structure.
Preferably, the included angle between the axis of the circulating material discharge pipe and the axis of the circulating material pipe is 45 degrees; the bottoms of the two storage boxes are both fixedly provided with a blanking inclined plane; an exhaust valve and a temperature sensor are fixedly mounted at the top of the tank body.
Preferably, the distance between the axis of the spindle and the axis of the shaft lever is 0.8-0.9 times of the radius of the eccentric rotating seat; the eccentric rotating seat is of a circular structure; and teeth matched with the first fixed gear ring and the movable gear disc are fixedly arranged on the peripheral side surface of the eccentric rotating seat.
Preferably, a connecting joint is fixedly arranged on the surface of the inert gas supply mechanism; the end surfaces of the circulating liquid inlet pipe and the circulating liquid outlet pipe are both fixedly provided with flange connecting surfaces; and an angle seat is fixedly arranged at the joint of the damping buffer piece and the tank body.
Preferably, a method for preparing a batch for a metal alloy powder, comprises the steps of:
SS001, before layout and use, two kinds of alloy powder to be mixed are respectively stored in two storage boxes, before work, a discharge valve at the bottom of a circulating material pipe is closed, meanwhile, a circulating liquid inlet pipe is communicated with external cooling liquid supply equipment or heating liquid supply equipment according to the requirements of processed materials, a circulating liquid outlet pipe is communicated with external cooling liquid circulation equipment and external heat exchange liquid circulation equipment, when cooling liquid is filled, the device can cool the materials in the processing process, when heating liquid is filled, the device can effectively provide a heating environment, and before work, the blanking amounts of two quantitative blanking valves are respectively set through a controller, so that the proportioning proportion is controlled;
SS002, material mixing and working, the quantitative blanking of the materials in the two storage boxes is realized through the setting of the controller to the two quantitative blanking valves, when the device works, the two vibrating motors work at a set vibration frequency, simultaneously, the main driving motor drives the circulating material pipe to do circular motion at a set speed, after the circular motion of the circulating material pipe, the spiral stirring main blade and the grinding seat are driven to do circular motion, after the spiral stirring main blade and the grinding seat do circular motion, the main stirring and grinding operation is carried out, and when the main driving motor works, the servo motor in the spiral material conveying assembly drives the spiral material conveying scraping blade to do circular motion, wherein through the control of the rotary direction of the servo motor, the conveying direction of the spiral material conveying assembly is upward, and after the circular motion of the circulating material pipe, the movable fluted disc is driven to do circular motion, due to the design that the eccentric rotary seat is meshed with the movable fluted disc and the first static fluted ring, the eccentric rotary seat revolves while rotating, the distance between the helical stirring auxiliary blade and the helical stirring main blade is repeatedly changed by the rotation, then reciprocating stirring is realized, all-round stirring of materials in the tank body is realized by the revolution, meanwhile, the shaft lever can be driven to revolve while the eccentric rotary seat revolves, during the revolution, due to the meshing connection design of the driving gear and the second static gear ring, the driving gear can rotate and finally drive the main shaft to do circular motion, so as to realize stirring operation, when the stirring operation is carried out, the inert gas supply mechanism supplies inert gas to a group of gas distribution pipes through the ventilation ring pipe, after the gas distribution pipes give out gas, on one hand, the precipitation and deposition phenomena of the materials can be effectively avoided, on the other hand, the blanking speed of the materials can be effectively delayed, the time for stirring the materials is prolonged, and after the materials are stirred, finally, the materials fall into the grinding gap under the action of gravity and are ground by the grinding seat, and the materials after primary stirring and grinding are circularly stirred and ground again under the action of the spiral conveying assembly until the materials are mixed;
SS003, unloading, compounding finish the back, through the settlement of controller to the defeated material subassembly of spiral, the defeated material direction of the defeated material subassembly of control spiral is downward, opens the relief valve simultaneously, realizes the quick ejection of compact then.
The invention has the following beneficial effects:
1. according to the invention, through the design of the material turning mechanism, the static single stirring of the traditional material is changed into the dynamic circulating multiple stirring, during the operation, the spiral material conveying assembly can drive the material to circulate in a reciprocating manner to flow, and through the flowing effect, the material can be circularly stirred and milled, through the repeated operation of the procedures, the material mixing effect of the device is effectively enhanced, meanwhile, through the flushing design of inert gas, oxygen in the material mixing cavity can be expelled, so that the probability of oxidation of reactants is reduced, and through the flushing of the inert gas, on one hand, the falling speed of the material can be effectively delayed, the stirring time of the material in the stirring mechanism is prolonged, on the other hand, the material can be fully dispersed, and the material mixing effect is enhanced.
2. According to the invention, through the design of the material mixing component, the single-point fixed structure type stirring of the traditional stirring mechanism is changed into multipoint adjustable radius type stirring, during the work, the position of the stirring mechanism can be changed in a reciprocating manner, through the reciprocating changing process, the material mixing efficiency of the device is effectively improved, through the design of the grinding seat, the agglomerated materials can be effectively crushed during the material mixing, the probability of the agglomerated materials during the material mixing is reduced, through the design of the spiral material conveying component, the rapid blanking of the device can be realized, and through the design of the blanking mode, the problem of blanking blockage during the blanking can be solved.
3. The quantitative material discharging device can realize quantitative summer cooling of two materials through the design of the quantitative material discharging valve, is beneficial to realizing quantitative mixing of the two materials through quantitative material discharging, and can automatically scrape impurities adhered to the inner wall of the device through the design of the spiral stirring auxiliary blade and the spiral material conveying scraping blade, so that a certain self-cleaning effect is achieved for the device.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a mixing apparatus for preparing metal alloy powder;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a schematic cross-sectional view of a can body;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic cross-sectional view of FIG. 3 in another direction;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
FIG. 7 is an enlarged view of a portion of FIG. 5 at C;
FIG. 8 is a schematic structural view of a compounding assembly;
FIG. 9 is a schematic view of the first driven gear and the driving gear;
FIG. 10 is a schematic structural view of a material turning mechanism;
FIG. 11 is a schematic cross-sectional view of FIG. 10;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a tank body; 2. a mixing chamber; 3. a damping buffer; 4. a vibration motor; 5. a liquid storage cavity; 6. a circulating liquid inlet pipe; 7. a circulating liquid outlet pipe; 8. a material storage box; 9. a feed pipe; 10. a quantitative blanking valve; 11. a material turning mechanism; 12. a main drive motor; 13. a movable fluted disc; 14. spirally stirring the main blade; 15. a milling base; 16. a first stationary ring gear; 17. a mixing assembly; 18. a second stationary ring gear; 19. a venting collar; 20. an air distribution pipe; 21. an inert gas supply mechanism; 22. a ventilation panel; 23. a circulating material pipe; 24. a driven bevel gear ring; 25. a spiral delivery assembly; 26. a circulating material inlet hole; 27. a circulating material discharge pipe; 28. an eccentric rotating base; 29. a main shaft; 30. a first driven gear; 31. a spiral stirring auxiliary blade; 32. a shaft lever; 33. a second driven gear; 34. a driving gear; 35. a discharge valve; 36. a discharge opening; 37. a controller; 38. and (4) an angle seat.
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.
Referring to fig. 1-11, the present invention is a mixing apparatus for preparing metal alloy powder, comprising a tank 1, wherein a mixing chamber 2 is fixedly disposed inside the tank 1; a group of damping buffer parts 3 distributed in a circumferential array are fixedly connected to the circumferential side surface of the tank body 1; the bottom of the tank body 1 is fixedly connected with two symmetrically arranged vibration motors 4, when the tank works, the two vibration motors 4 work at a set vibration frequency, materials to be mixed are made to oscillate through the work of the vibration motors 4, and then the dispersion rate of agglomerated materials and the mixing effect of the materials are accelerated, the damping buffer piece 3 is arranged to enhance the vibration effect of the vibration motors 4, and meanwhile, when the vibration motors 4 work, the device is effectively damped;
a liquid storage cavity 5 is fixedly arranged on the inner wall of the tank body 1; a circulating liquid inlet pipe 6 and a circulating liquid outlet pipe 7 are fixedly arranged on the peripheral side surface of the tank body 1 respectively; one end of the circulating liquid inlet pipe 6 and one end of the circulating liquid outlet pipe 7 are both communicated with the liquid storage cavity 5; when the liquid storage cavity 5 works, refrigerating liquid or heating liquid is stored, so that the inner part of the tank body 1 is kept at a set temperature, and sufficient reaction conditions are provided for the device;
the top surface of the tank body 1 is fixedly connected with two symmetrically arranged material storage boxes 8; a feeding pipe 9 is fixedly communicated with one surface of each of the two material storage boxes 8; one end of each of the two feed pipes 9 is fixedly communicated with the tank body 1; the quantitative blanking valves 10 are fixedly mounted on the peripheral side surfaces of the two feeding pipes 9, the quantitative blanking valves 10 are used for realizing quantitative blanking of the two storage tanks 8, when the quantitative blanking valves 10 work, the two quantitative blanking valves 10 are connected with the controller 37 of the device, the controller 37 is used for setting blanking amounts of the quantitative blanking valves 10, and further realizing quantitative proportioning during mixing of the two materials, the quantitative blanking valves 10 are existing mechanisms, the realization principle of the quantitative blanking valves 10 is the prior art, and the description is omitted here;
the axial position of the tank body 1 is rotationally connected with a material turning mechanism 11 through a bearing; the peripheral side surface of the tank body 1 is fixedly connected with a main driving motor 12; one end of an output shaft of the main driving motor 12 is in transmission connection with the material turning mechanism 11 through a bevel gear; the peripheral side surface of the material turning mechanism 11 is fixedly connected with a movable fluted disc 13, a spiral stirring main blade 14 and a grinding seat 15 from top to bottom respectively; a first fixed gear ring 16 is fixedly connected to the inner wall of the tank body 1 and corresponds to the position of the movable fluted disc 13; a group of material mixing components 17 distributed in a circumferential array are meshed between the opposite surfaces of the movable fluted disc 13 and the first fixed fluted ring 16; through the meshing connection design of the mixing components 17, the first fixed gear ring 16 and the movable fluted disc 13, the two mixing components 17 can revolve while rotating;
the inner wall of the tank body 1 is also fixedly connected with a second fixed gear ring 18 matched with the two material mixing components 17; a grinding gap is arranged between the grinding seat 15 and the opposite surface of the tank body 1;
the bottom of the tank body 1 is fixedly connected with a group of air distribution pipes 20 which are distributed in a circumferential array and are mutually communicated through an air ring pipe 19; the peripheral side surface of the tank body 1 is also fixedly connected with an inert gas supply mechanism 21; the inert gas supply mechanism 21 is essentially an air blowing pump, the surface of the air blowing pump is fixedly provided with a connecting joint, and the air blowing pump is communicated with external inert gas feeding equipment through the connecting joint during working;
one end of the air outlet of the inert gas supply mechanism 21 is fixedly communicated with the vent ring pipe 19 through a pipeline; a ventilation panel 22 is fixedly arranged at the communication position of the air distribution pipes 20 and the tank body 1, ventilation holes distributed in a rectangular array are formed in the surface of the ventilation panel 22, and the aperture of each ventilation hole is smaller than the particle size of the particles;
the material turning mechanism 11 comprises a circulating material pipe 23; the circumferential side surface of the circulating material pipe 23 is rotationally connected with the tank body 1 through a bearing; the peripheral side surface of the circulating material pipe 23 is fixedly connected with a driven conical tooth ring 24; one end of the output shaft of the main driving motor 12 is meshed with a driven bevel gear ring 24 through a bevel gear; the main driving motor 12 is used for driving the circulating material pipe 23 to perform circular motion at a set speed;
the driven conical tooth ring 24 and the inner wall of the grinding seat 15 are both fixedly connected with the circulating material pipe 23; a spiral material conveying assembly 25 is fixedly arranged in the circulating material pipe 23; the peripheral side surface of the spiral material conveying assembly 25 is matched with the circulating material pipe 23; a group of circulating material inlet holes 26 which are distributed in a circumferential array and communicated with the material mixing cavity 2 are formed in the bottom of the circulating material pipe 23; the upper part of the circulating material pipe 23 is fixedly communicated with a group of circulating material discharge pipes 27 distributed in a circumferential array;
both of the mixing assemblies 17 comprise an eccentric rotating base 28; the peripheral side surface of the movable fluted disc 13 and the inner wall of the first fixed fluted ring 16 are both meshed with the eccentric rotating seat 28; the eccentric position of the eccentric rotating seat 28 is rotatably connected with a main shaft 29 through a bearing; a first driven gear 30 is fixedly connected to the peripheral side surface of the main shaft 29; the circumferential side surface of the main shaft 29 is fixedly connected with a spiral stirring auxiliary vane 31, as shown in fig. 3, when the spiral stirring auxiliary vane 31 works to the position shown in the figure, the spiral stirring auxiliary vane 31 can also play a certain role in scraping impurities adhered to the inner wall of the tank body 1 by the spiral conveying principle, so that the device has a certain self-cleaning effect;
the shaft center of the eccentric rotating seat 28 is rotatably connected with a shaft lever 32 through a bearing; the peripheral side surface of the shaft lever 32 is fixedly connected with a second driven gear 33 and a driving gear 34 respectively; the second driven gear 33 is meshed with the first driven gear 30 on the peripheral side surface; the peripheral side of the drive gear 34 is engaged with the second ring gear 18.
Further, the spiral conveying assembly 25 comprises a spiral conveying scraping blade, an auxiliary shaft and a servo motor; one surface of the servo motor is fixedly connected with the circulating material pipe 23; the circumferential side surface of the shaft lever 32 is rotationally connected with the circulating material pipe 23; the peripheral side surface of the shaft lever 32 is fixedly connected with the spiral conveying scraping blade; the circumference side of the spiral delivery scraping piece is matched with the circulating material pipe 23, the spiral delivery scraping piece can convey materials up and down on one hand, and on the other hand, impurities adhered to the inner wall of the circulating material pipe 23 can be scraped by the spiral delivery scraping piece according to a delivery principle.
As further shown in fig. 3 and 11, the bottom end of the circulating pipe 23 extends to the outside of the tank body 1; a discharge valve 35 is fixedly arranged on the peripheral side surface of the circulating material pipe 23 and extends to the outside of the tank body 1; the bottom of the circulating material pipe 23 is fixedly provided with a discharge opening 36, and the discharge opening 36 is used for realizing rapid material discharge of the device.
As further shown in fig. 5 and 11, the grinding gap is tapered; the position of the grinding seat 15 corresponds to the position of the circulating material inlet hole 26; the top of the grinding seat 15 is fixedly provided with a material guiding inclined plane.
As further shown in fig. 2 and 3, a controller 37 is fixedly installed on the peripheral side surface of the tank body 1, the controller 37 is a PLC controller of a common type, a control panel is arranged on the controller 37, and the spiral direction of the spiral stirring main blade 14 is the same as that of the spiral stirring auxiliary blade 31; the bottom of the tank body 1 is of a funnel-shaped structure.
Further, the included angle between the axis of the circulating material discharging pipe 27 and the axis of the circulating material pipe 23 is 45 degrees, the angle setting has the function of improving the processing range and the material distribution effect of the device, and the bottoms of the two material storage boxes 8 are both fixedly provided with discharging inclined planes; still fixed mounting has discharge valve and temperature sensor at jar body 1 top, and temperature sensor's model is DS18B20, and the effect that temperature sensor set up lies in carrying out real-time supervision and feeding back the real-time data who monitors to the inside temperature data of compounding chamber 2 to controller 37, and discharge valve sets up the effect that lies in realizing fast exhaust.
Further, the distance between the axis of the spindle 29 and the axis of the shaft lever 32 is 0.8 times of the radius of the eccentric rotating seat 28; the eccentric rotating seat 28 is of a circular structure; the peripheral side surface of the eccentric rotating seat 28 is fixedly provided with teeth matched with the first fixed toothed ring 16 and the movable toothed disc 13.
Further, a connecting joint is fixedly arranged on the surface of the inert gas supply mechanism 21; the end surfaces of the circulating liquid inlet pipe 6 and the circulating liquid outlet pipe 7 are both fixedly provided with flange connecting surfaces; and an angle seat 38 is fixedly arranged at the joint of the damping buffer piece 3 and the tank body 1.
Further, a method for preparing a mixed material for metal alloy powder comprises the following steps:
SS001, before layout and use, two kinds of alloy powder to be mixed are respectively stored in two material storage boxes 8, before work, a discharge valve 35 at the bottom of a circulating material pipe 23 is closed, meanwhile, a circulating liquid inlet pipe 6 is communicated with external cooling liquid supply equipment or heating liquid supply equipment according to the requirements of processed materials, a circulating liquid outlet pipe 7 is communicated with the external cooling liquid circulating equipment and external heat exchange liquid circulating equipment, when cooling liquid is filled, the device can cool materials in the processing process, when heating liquid is filled, the device can effectively provide a heating environment, and before work, the blanking amounts of two quantitative blanking valves 10 are respectively set through a controller 37, so that the proportioning proportion is controlled;
SS002, material mixing and working, the controller 37 sets the two quantitative blanking valves 10 to realize quantitative blanking of materials in the two material storage tanks 8, when working, the two vibration motors 4 work at a set vibration frequency, meanwhile, the main driving motor 12 drives the circulating material pipe 23 to move circularly at a set speed, after the circulating material pipe 23 moves circularly, the spiral stirring main blade 14 and the grinding seat 15 are driven to move circularly, after the spiral stirring main blade 14 and the grinding seat 15 move circularly, main stirring and grinding operation is carried out, and when the main driving motor 12 works, the servo motor in the spiral conveying assembly 25 drives the spiral conveying scraping blade to move circularly, wherein through controlling the rotation direction of the servo motor, the conveying direction of the spiral conveying assembly 25 is upward, and after the circulating material pipe 23 moves circularly, the movable fluted disc 13 is driven to move circularly, due to the meshing connection design of the eccentric rotating seat 28, the movable fluted disc 13 and the first static toothed ring 16, the eccentric rotary seat 28 revolves while rotating, the distance between the helical stirring minor blade 31 and the helical stirring main blade 14 is repeatedly changed by rotation, so as to realize reciprocating stirring, the material in the tank body 1 is stirred in all directions by the revolution, the shaft lever 32 can be driven to revolve while the eccentric rotary seat 28 revolves, during revolution, due to the meshing connection design of the driving gear 34 and the second fixed gear ring 18, the driving gear 34 can rotate, and then the main shaft 29 is finally driven to do circular motion, so as to realize stirring operation, when the stirring operation is carried out, the inert gas supply mechanism 21 supplies inert gas to a group of gas distribution pipes 20 through the ventilation ring pipe 19, during the initial stage, when the gas distribution pipes 20 work, the exhaust valve is opened, so as to fully exhaust the oxygen in the mixing cavity 2, so as to reduce the probability of oxidation of reactants, after exhausting for a designated time, the exhaust valve is closed, the air distribution pipe 20 continues to give air, after the air distribution pipe 20 gives air, on one hand, the sedimentation and deposition of materials can be effectively avoided, on the other hand, the blanking speed of the materials can be effectively delayed, the stirring time of the materials is prolonged, the materials are stirred, finally fall into the grinding gap under the action of gravity and are ground by the grinding seat 15, and the materials after primary stirring and grinding are circularly stirred and milled again under the action of the spiral material conveying component 25 until the materials are completely mixed;
SS003, unloading, compounding finish the back, through the settlement of controller 37 to the defeated material subassembly 25 of spiral, the defeated material direction of control spiral defeated material subassembly 25 is downward, opens simultaneously the blow-off valve 35, realizes the quick ejection of compact then.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a metal alloy powder preparation is with compounding equipment, includes a jar body (1), jar body (1) inside is fixed has seted up material mixing chamber (2), its characterized in that:
a group of damping buffer parts (3) distributed in a circumferential array are fixedly connected to the circumferential side surface of the tank body (1); the bottom of the tank body (1) is fixedly connected with two symmetrically arranged vibrating motors (4); a liquid storage cavity (5) is fixedly arranged on the inner wall of the tank body (1); a circulating liquid inlet pipe (6) and a circulating liquid outlet pipe (7) are fixedly arranged on the peripheral side surface of the tank body (1) respectively; one end of the circulating liquid inlet pipe (6) and one end of the circulating liquid outlet pipe (7) are both communicated with the liquid storage cavity (5); the top surface of the tank body (1) is fixedly connected with two symmetrically arranged material storage boxes (8); one surface of each of the two storage boxes (8) is fixedly communicated with a feeding pipe (9); one ends of the discharge holes of the two feeding pipes (9) are fixedly communicated with the tank body (1); quantitative blanking valves (10) are fixedly arranged on the peripheral side surfaces of the two feeding pipes (9);
the axial center of the tank body (1) is rotatably connected with a material turning mechanism (11) through a bearing; the peripheral side surface of the tank body (1) is fixedly connected with a main driving motor (12); one end of an output shaft of the main driving motor (12) is in transmission connection with the material turning mechanism (11) through a bevel gear; the peripheral side of the material turning mechanism (11) is fixedly connected with a movable fluted disc (13), a spiral stirring main blade (14) and a grinding seat (15) from top to bottom respectively; a first fixed gear ring (16) is fixedly connected to the inner wall of the tank body (1) and corresponds to the position of the movable fluted disc (13); a group of material mixing components (17) distributed in a circumferential array are meshed between the opposite surfaces of the movable fluted disc (13) and the first fixed fluted ring (16); the inner wall of the tank body (1) is also fixedly connected with a second static gear ring (18) matched with the two mixing components (17); a grinding gap is arranged between the grinding seat (15) and the opposite surface of the tank body (1);
the bottom of the tank body (1) is fixedly connected with a group of air distribution pipes (20) which are distributed in a circumferential array and are mutually communicated through an air circulation ring pipe (19); the peripheral side surface of the tank body (1) is also fixedly connected with an inert gas supply mechanism (21); one end of the air outlet of the inert gas supply mechanism (21) is fixedly communicated with the ventilation ring pipe (19) through a pipeline; a ventilation panel (22) is fixedly arranged at the communication part of the group of air distribution pipes (20) and the tank body (1);
the material turning mechanism (11) comprises a circulating material pipe (23); the circumferential side surface of the circulating material pipe (23) is rotationally connected with the tank body (1) through a bearing; the peripheral side surface of the circulating material pipe (23) is fixedly connected with a driven conical tooth ring (24); one end of an output shaft of the main driving motor (12) is meshed with a driven bevel gear ring (24) through a bevel gear; the inner walls of the driven conical tooth ring (24) and the grinding seat (15) are fixedly connected with a circulating material pipe (23); a spiral material conveying assembly (25) is fixedly arranged in the circulating material pipe (23); the peripheral side surface of the spiral material conveying assembly (25) is matched with the circulating material pipe (23); the bottom of the circulating material pipe (23) is provided with a group of circulating material inlet holes (26) which are distributed in a circumferential array and communicated with the material mixing cavity (2); the upper part of the circulating material pipe (23) is fixedly communicated with a group of circulating material discharge pipes (27) which are distributed in a circumferential array;
the two mixing components (17) comprise eccentric rotating seats (28); the peripheral side surface of the movable fluted disc (13) and the inner wall of the first static toothed ring (16) are both meshed with the eccentric rotating seat (28); the eccentric position of the eccentric rotating seat (28) is rotationally connected with a main shaft (29) through a bearing; a first driven gear (30) is fixedly connected to the peripheral side surface of the main shaft (29); the peripheral side surface of the main shaft (29) is fixedly connected with a spiral stirring auxiliary blade (31); the shaft center of the eccentric rotating seat (28) is rotatably connected with a shaft lever (32) through a bearing; the peripheral side surface of the shaft lever (32) is fixedly connected with a second driven gear (33) and a driving gear (34) respectively; the peripheral side surface of the second driven gear (33) is meshed with the first driven gear (30); the peripheral side surface of the driving gear (34) is meshed with the second fixed gear ring (18).
2. A mixing plant for the preparation of metal alloy powders according to claim 1, characterized in that said auger assembly (25) comprises auger flights, auxiliary shafts and servomotors; one surface of the servo motor is fixedly connected with the circulating material pipe (23); the peripheral side surface of the shaft lever (32) is rotationally connected with the circulating material pipe (23); the peripheral side surface of the shaft lever (32) is fixedly connected with the spiral conveying scraping blade; the circumferential side surface of the spiral delivery scraping blade is matched with the circulating material pipe (23).
3. A mixing apparatus for the preparation of metal alloy powders according to claim 1, characterized in that the bottom end of the circulation pipe (23) extends outside the tank (1); a discharge valve (35) is fixedly arranged on the peripheral side surface of the circulating material pipe (23) and extends to the outside of the tank body (1); and a discharge opening (36) is fixedly formed in the bottom of the circulating material pipe (23).
4. A metal alloy powder preparation mixing apparatus as claimed in claim 1, wherein the grinding gap is tapered; the position of the grinding seat (15) corresponds to the position of the circulating material inlet hole (26); the top of the milling seat (15) is fixedly provided with a material guide inclined plane.
5. A mixing plant for the preparation of metal alloy powders according to claim 1, characterized in that the peripheral side of the tank (1) is fixedly provided with a controller (37); the spiral direction of the spiral stirring main blade (14) is the same as that of the spiral stirring auxiliary blade (31); the bottom of the tank body (1) is of a funnel-shaped structure.
6. A mixing plant for the preparation of metal alloy powders according to claim 1, characterized in that the angle between the axis of the circulation pipes (27) and the axis of the circulation pipes (23) is 45 °; the bottoms of the two material storage boxes (8) are both fixedly provided with a blanking inclined plane; the top of the tank body (1) is also fixedly provided with an exhaust valve and a temperature sensor.
7. A mixing apparatus for the preparation of metal alloy powders according to claim 1, characterized in that the distance between the axis of the spindle (29) and the axis of the shaft (32) is 0.8-0.9 times the radius of the eccentric rotary seat (28); the eccentric rotating seat (28) is of a circular structure; the peripheral side surface of the eccentric rotating seat (28) is fixedly provided with teeth matched with the first fixed gear ring (16) and the movable gear disc (13).
8. A mixing apparatus for metal alloy powder preparation according to claim 1, characterized in that the inert gas supply means (21) is surface-fixedly provided with a connection fitting; the end surfaces of the circulating liquid inlet pipe (6) and the circulating liquid outlet pipe (7) are both fixedly provided with flange connecting surfaces; and an angle seat (38) is fixedly arranged at the joint of the damping buffer piece (3) and the tank body (1).
9. A mixing apparatus for the preparation of metal alloy powders according to claim 1 wherein the driving gear (34) is located directly above the second driven gear (33); the surface of the storage box (8) is fixedly provided with a feeding opening.
10. A method of preparing a batch material for a metal alloy powder according to any one of claims 1 to 9, characterised by comprising the steps of:
SS001, two kinds of alloy powder to be mixed are stored in two storage boxes (8) respectively before arrangement and use, before work, a discharge valve (35) at the bottom of a circulating material pipe (23) is closed, meanwhile, a circulating liquid inlet pipe (6) is communicated with external cooling liquid supply equipment or heating liquid supply equipment according to the requirements of processed materials, and a circulating liquid outlet pipe (7) is communicated with external cooling liquid circulating equipment and external heat exchange liquid circulating equipment;
SS002, material mixing and working, the quantitative blanking of materials in two material storage boxes (8) is realized through the setting of a controller (37) on two quantitative blanking valves (10), when the quantitative blanking device works, two vibration motors (4) work at a set vibration frequency, simultaneously, a main driving motor (12) drives a circulating material pipe (23) to circularly move at a set speed, after the circulating material pipe (23) circularly moves, a spiral stirring main blade (14) and a grinding seat (15) are driven to circularly move, after the spiral stirring main blade (14) and the grinding seat (15) circularly move, main stirring and grinding operation is carried out, and when the main driving motor (12) works, a servo motor in a spiral conveying assembly (25) drives a spiral conveying scraping blade to circularly move, wherein the conveying direction of the spiral conveying assembly (25) is upward through the control of the rotary direction of the servo motor, and after the circulating material pipe (23) circularly moves, then the movable fluted disc (13) is driven to do circular motion, because the eccentric rotary seat (28) and the meshing connection design of the movable fluted disc (13) and the first static fluted ring (16), the eccentric rotary seat (28) revolves while rotating, the distance between the spiral stirring minor blades (31) and the spiral stirring main blades (14) is repeatedly changed by rotating, then the reciprocating stirring is realized, and the omnibearing stirring of the materials in the tank body (1) is realized by the revolving, meanwhile, when the eccentric rotary seat (28) revolves, the shaft lever (32) can be driven to revolve, when revolving, because the meshing connection design of the driving gear (34) and the second static fluted ring (18), the driving gear (34) can rotate, and then the main shaft (29) is finally driven to do circular motion, so as to realize the stirring operation, and when the stirring operation is carried out, the inert gas supply mechanism (21) supplies inert gas to a group of gas distribution pipes (20) through the ventilation ring pipe (19), after the air distribution pipe (20) gives out air, on one hand, the sedimentation and deposition of materials can be effectively avoided, on the other hand, the blanking speed of the materials can be effectively delayed, the stirring time of the materials is prolonged, the materials are stirred and finally fall into the grinding gap under the action of gravity and are ground by the grinding seat (15), and the materials after primary stirring and grinding are circularly stirred and milled again under the action of the spiral conveying component (25) until the materials are completely mixed;
SS003, unloading, compounding finish the back, through controller (37) to the defeated material subassembly of spiral (25) settlement, the defeated material direction of the defeated material subassembly of control spiral (25) is downward, opens simultaneously blow-off valve (35), realizes the quick ejection of compact then.
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| CN202010770527.8A CN111889062A (en) | 2020-08-04 | 2020-08-04 | Mixing equipment and method for preparing metal alloy powder |
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