CN114130273A - Automatic metal powder mixing stirrer and using method thereof - Google Patents
Automatic metal powder mixing stirrer and using method thereof Download PDFInfo
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- CN114130273A CN114130273A CN202111304550.9A CN202111304550A CN114130273A CN 114130273 A CN114130273 A CN 114130273A CN 202111304550 A CN202111304550 A CN 202111304550A CN 114130273 A CN114130273 A CN 114130273A
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- 239000002184 metal Substances 0.000 title claims abstract description 115
- 239000000843 powder Substances 0.000 title claims abstract description 108
- 238000002156 mixing Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 110
- 238000007664 blowing Methods 0.000 claims abstract description 45
- 238000007599 discharging Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 239000013590 bulk material Substances 0.000 claims description 24
- 239000012535 impurity Substances 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000005121 nitriding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to a metal powder mixing automatic stirrer and a using method thereof, and discloses a stirrer capable of pre-scattering metal powder before mixing and simultaneously separating impurities from the metal powder by using cold air in the stirring process and a using method thereof, which are characterized in that one end of a feeding channel is arranged at the top of a stirring barrel and is communicated with the stirring barrel, the other end of the feeding channel is communicated with one end of a collecting channel, the other end of the collecting channel is communicated with a discharging barrel, the diameter of the collecting channel is gradually increased from one end to the other end, a plurality of groups of rubber bumps are equidistantly arranged on the inner wall of the collecting channel along the circumferential direction, reinforcing ribs are arranged between the feeding channel and the stirring barrel, a discharging pipe is arranged at the position close to the bottom of the side wall of the stirring barrel, one end of the discharging pipe is communicated with the stirring barrel, a sealing plug is arranged at the other end of the discharging pipe, and an annular gas pipe is sleeved on the feeding channel, a plurality of feed barrels of blowing are arranged on the inner wall of the feed channel along the circumference equidistance, and the feed barrels of blowing are of a right-angle trapezoidal structure.
Description
Technical Field
The invention discloses an automatic stirrer for metal powder mixing and a using method thereof, relates to a stirrer for automatically stirring metal powder and a using method thereof, and belongs to the field of powder processing. In particular to a stirrer which can pre-break up metal powder before mixing and separate metal dust with undersize particle size from metal powder by using cold air in the stirring process and a using method thereof.
Background
The metal powder refers to a group of metal particles with the size less than 1mm, generally, in order to obtain alloy powder with excellent uniformity, two or more than two kinds of metal powder need to be mixed by adopting a dry mixing mode, the existing metal powder stirring device generally pours the metal powder to be mixed into a stirring cylinder directly from a discharge port for stirring, the metal powder is not pretreated, when the metal powder is produced, the metal powder is not separated into particles, a part of the metal powder is adhered together to form a block structure, if the metal powder is directly added into the stirring cylinder for stirring, the metal powder can be stirred and mixed for a longer time, in addition, metal powder surfaces are adhered with some metal dust with undersize particle size, some of the metal dust have certain adsorption viscosity, when the metal powder is mixed, the metal powder can be adhered to each other, further, the mixing degree of different types of metal powders is affected, so that the metal powders need to be separated from the metal powders during stirring, and during the mixing and stirring of the metal powders, certain friction occurs between the metal powders to increase the temperature of the metal powders to a certain extent, which easily causes potential safety hazards and needs to be cooled.
The publication No. CN109107448A discloses a metal powder three-dimensional mixer, which comprises a containing barrel for containing metal powder mixture, a swinging device for driving the containing barrel to swing and a control device, wherein the swinging device comprises a rotating device for driving the containing barrel to rotate around the axis of a lining plate and a swinging device for driving the containing barrel to swing, the rotating device is arranged at the central position of the swinging device, the device directly pours metal powder into a stirring barrel, then the stirring barrel rotates and swings to mix the metal powder without processing the metal powder, as part of the metal powder can be adhered to each other, the metal powder can be stirred and mixed for a longer time, and the surface of the metal powder can be adhered with some metal powder with small granularity, the metal powder can also be adhered to each other to a certain extent, and when the metal powder is mixed and stirred, certain friction can occur between the metal powder to cause the temperature of the metal powder to rise to a certain degree, which is easy to cause potential safety hazard.
Notice No. CN212188681U discloses a metal powder agitating unit, including the agitator tank, the top of agitator tank is fixed with the buffer board, the top intercommunication of agitator tank has gas piping, gas piping intercommunication has pipeline, the outer skin weld all around of dwang has a plurality of puddlers, the welding has the wire net between the puddler, the skin weld of bull stick has a plurality of helical blade, the outer skin weld all around of agitator tank has small-size air vibrator, and the gas piping that the device set up only blows to the agitator barrel inner wall, can not blow the processing well to the metal powder surface, because its surface still can be attached with some metal dust that the granularity is too little, also can make metal powder produce certain mutual adhesion, when the metal powder mixes the stirring in addition, can take place certain friction between the metal powder and make its temperature have certain rising, only the inner wall of the stirring cylinder body is blown, so that the temperature can not be reduced better.
Disclosure of Invention
In order to improve the situation, the invention provides an automatic stirrer for metal powder mixing and a using method thereof, and provides a stirrer which can pre-break up metal powder before mixing and separate metal dust with undersize particle size from metal powder by using cold air during stirring and a using method thereof.
The invention relates to an automatic stirrer for mixing metal powder, which is realized by the following steps: the invention relates to an automatic stirrer for metal powder mixing, which consists of a main body device and a stirring device, wherein the main body device consists of a first inflator pump, a charging barrel, a rotating motor, a stirring barrel, a feeding channel, a first air inlet pipe, a bulk material rod, a collecting channel, an annular air delivery pipe, a blowing barrel and a flow dividing bent pipe, one end of the feeding channel is arranged at the top of the stirring barrel and communicated with the stirring barrel, the other end of the feeding channel is communicated with one end of the charging channel, the other end of the collecting channel is communicated with the charging barrel, the diameter of the collecting channel is gradually increased from one end to the other end, a plurality of groups of rubber bumps are arranged on the inner wall of the collecting channel at equal intervals along the circumferential direction, reinforcing ribs are arranged between the feeding channel and the stirring barrel, a discharging pipe is arranged at a position close to the bottom of the side wall of the stirring barrel, one end of the discharging pipe is communicated with the stirring barrel, the other end is plugged with a sealing plug, and the annular air delivery pipe is sleeved on the feeding channel, the blowing barrels are arranged on the inner wall of the feeding channel along the circumferential equidistance, the blowing barrels are of a right-angle trapezoid structure, the big bottom edge of each blowing barrel is attached to the inner wall of the feeding channel, the right-angle side edges, opposite to the inclined side edges, of each blowing barrel are of an open structure, the open side edges and the inclined side edges of every two adjacent blowing barrels correspond to each other, the rotating motor is arranged on the outer side wall of each blowing barrel, the rotating motor shaft penetrates through the side wall of each blowing barrel to extend into the blowing barrels, a plurality of groups of bulk material rods are arranged on the rotating motor shaft along the circumferential equidistance, the bulk material rods in the same group are arranged in a staggered mode, the bulk material rods in the same group are distributed along the axial direction of the rotating motor shaft at equal intervals, the first air pump is arranged on the outer side wall of each blowing barrel, one end of the first air inlet pipe is communicated with the air outlet end of the first air pump, the other end of the first air inlet pipe is communicated with the annular air delivery pipe, and a plurality of shunt elbows correspond to the blowing barrels one to one another, one end of the shunting elbow pipe is communicated with the annular gas pipe, the other end of the shunting elbow pipe is communicated with the corresponding blowing cylinder, the stirring device consists of a second air pump, a second air inlet pipe, a stirring motor, a hollow rotating shaft, a hollow stirring rod and an air blowing head, the stirring motor is arranged at the bottom of the stirring cylinder, the stirring motor shaft penetrates through the bottom of the stirring cylinder and extends into the stirring cylinder, a sealing bearing is arranged between the stirring motor shaft and the stirring cylinder, one end of the hollow rotating shaft is connected with the stirring motor shaft, the other end of the hollow rotating shaft is connected with the inner wall of the top of the stirring cylinder through the sealing bearing, a plurality of groups of hollow stirring rods are arranged on the hollow rotating shaft along the circumferential direction at equal intervals and are communicated with the hollow rotating shaft, a plurality of groups of air blowing heads are arranged on the hollow stirring rod along the circumferential direction at equal intervals, the outer surface of the hollow stirring rod is subjected to nitriding treatment, the second air pump is arranged on the outer side wall of the discharging cylinder, one end of the second air inlet pipe is communicated with the air outlet end of the second air pump, the other end of the second air inlet pipe is communicated with the other end of the middle idle shaft, and a sealing gasket is arranged between the second air inlet pipe and the middle idle shaft;
furthermore, the bulk material rods are eliminated, a plurality of groups of bulk material bent rods are arranged on the rotating motor shaft at equal intervals along the circumferential direction, the plurality of groups of bulk material bent rods are staggered, and the bulk material bent rods in the same group are distributed at equal intervals along the axial direction of the rotating motor shaft;
further, a spiral through hole is formed in the air inlet of the blowing head;
the invention also relates to a using method of the automatic stirrer for mixing the metal powder, which is characterized by comprising the following steps of:
1) electrifying the stirrer, and simultaneously communicating the air inlet ends of the first inflator pump and the second inflator pump with an external cold air pipe;
2) pouring metal powder into the charging barrel, starting the rotating motor, rotating a shaft of the rotating motor to drive the bulk material rod to rotate, and primarily scattering the metal powder;
3) the primarily scattered metal powder enters the feeding channel through the collecting channel, a first air pump is started, external cold air is pumped by the first air pump to enter a first air inlet pipe, then enters a diversion elbow pipe through an annular air conveying pipe, and is blown out through the opening side of the blowing cylinder, and the blown cold air forms spiral airflow after being guided by the inclined side of the adjacent blowing cylinder to scatter the metal powder for the second time;
4) the scattered metal powder enters a stirring drum, a stirring motor is started, a stirring motor shaft drives a middle idle shaft to rotate, and a hollow rotating shaft drives a hollow stirring rod to rotate so as to stir the metal powder in the stirring drum;
5) meanwhile, a second air pump is started, the second air pump fills cold air into a second air inlet pipe, the cold air enters the hollow stirring rod through the hollow rotating shaft and is blown out through the air blowing head to assist the hollow stirring rod to stir the metal powder;
6) and pulling out the sealing plug, and taking out the mixed metal powder from the stirring cylinder through the discharge pipe.
Advantageous effects
Firstly, the metal powder can be subjected to pre-scattering treatment.
And secondly, metal dust with undersize particle sizes can be separated from the metal in the stirring process.
And thirdly, the metal powder in the stirring process can be cooled.
Fourthly, the structure is simple, and the device is convenient and practical.
Drawings
FIG. 1 is a perspective view of an automatic metal powder mixing stirrer according to the present invention;
FIG. 2 is a schematic structural view of an automatic metal powder mixing stirrer according to the present invention;
FIG. 3 is a perspective view of an automatic metal powder mixing stirrer according to the present invention, showing only a top view of a discharge cylinder;
FIG. 4 is a perspective view of an automatic metal powder mixing stirrer according to the present invention, showing only a bottom view of a discharge vessel;
FIG. 5 is a perspective view showing the construction of an automatic metal powder mixing stirrer according to example 2 of the present invention;
fig. 6 is a perspective view showing the construction of an automatic metal powder mixing stirrer according to example 3 of the present invention.
In the attached drawings
Wherein the method comprises the following steps: the device comprises a first inflator pump (1), a material discharging barrel (2), a rotating motor (3), a second inflator pump (4), a second air inlet pipe (5), a mixing barrel (6), a mixing motor (7), a feeding channel (8), a first air inlet pipe (9), a bulk cargo rod (10), a hollow rotating shaft (11), a hollow mixing rod (12), a blowing head (13), a collecting channel (14), an annular air conveying pipe (15), a material blowing barrel (16), a shunting elbow (17), a bulk cargo bent rod (18) and a spiral through hole (19).
The specific implementation mode is as follows:
example 1
The invention relates to an automatic stirrer for mixing metal powder, which is realized by the following steps: the invention relates to an automatic stirrer for metal powder mixing, which consists of a main body device and a stirring device, wherein the main body device consists of a first inflator pump (1), a discharging barrel (2), a rotating motor (3), a stirring barrel (6), a feeding channel (8), a first air inlet pipe (9), a bulk material rod (10), a collecting channel (14), an annular air conveying pipe (15), a blowing barrel (16) and a flow dividing bent pipe (17), one end of the feeding channel (8) is arranged at the top of the stirring barrel (6) and communicated with the stirring barrel (6), the other end of the feeding channel (8) is communicated with one end of the collecting channel (14), the other end of the collecting channel (14) is communicated with the discharging barrel (2), the diameter of the collecting channel (14) is gradually increased from one end to the other end, a plurality of groups of rubber salient points are arranged on the inner wall of the collecting channel (14) at equal intervals along the circumferential direction, reinforcing ribs are arranged between the feeding channel (8) and the stirring barrel (6), the discharging pipe is arranged on the side wall of the mixing drum (6) close to the bottom, one end of the discharging pipe is communicated with the mixing drum (6), the other end of the discharging pipe is plugged, the annular gas conveying pipe (15) is sleeved on the feeding channel (8), a plurality of blowing barrels (16) are arranged on the inner wall of the feeding channel (8) along the circumferential equal distance, each blowing barrel (16) is of a right-angle trapezoidal structure, the large bottom edge of each blowing barrel (16) is attached to the inner wall of the feeding channel (8), the right-angle side edges, opposite to the inclined side edges, of each blowing barrel (16) and the corresponding inclined side edge of each blowing barrel (16) are of an opening structure, the opening side edges and the inclined side edges of the adjacent two blowing barrels (16) are corresponding to each other, the rotating motor (3) is arranged on the outer side wall of each discharging barrel (2), the shaft of the rotating motor (3) penetrates through the side wall of each discharging barrel (2) to extend into the corresponding discharging barrel (2), and a plurality of groups of equidistant material dispersing rods (10) are arranged on the shaft of the rotating motor (3) along the circumferential direction, multiunit bulk material pole (10) staggered arrangement, with in a set of bulk material pole (10) are along rotating electrical machines (3) axle axial equidistance distribution, and on the feed cylinder (2) lateral wall was arranged in to first pump (1), first intake pipe (9) one end and first pump (1) were given vent to anger and are held the intercommunication, and the other end and annular gas-supply pipe (15) are linked together, a plurality of reposition of redundant personnel return bends (17) and a plurality of feed cylinder (16) one-to-one that blow, reposition of redundant personnel return bend (17) one end etc. are linked together with annular gas-supply pipe (15), and the other end blows feed cylinder (16) with corresponding and is linked together, and agitating unit is become by second pump (4), second intake pipe (5), agitator motor (7), cavity pivot (11), cavity puddler (12) and blow head (13) and constitute, agitator motor (7) are arranged in agitator cylinder (6) bottom in, agitator motor (7) axle passes agitator cylinder (6) bottom and extends to agitator cylinder (6), a sealing bearing is arranged between the stirring motor (7) shaft and the stirring cylinder (6), one end of the hollow rotating shaft (11) is connected with the stirring motor (7) shaft, the other end is connected with the inner wall of the top of the stirring cylinder (6) through the sealing bearing, a plurality of groups of hollow stirring rods (12) are arranged on the hollow rotating shaft (11) along the circumferential direction at equal intervals, and is communicated with the middle idle shaft (11), a plurality of groups of blowing heads (13) are arranged on the hollow stirring rod (12) at equal intervals along the circumferential direction, the blowing head (13) is communicated with the hollow stirring rod (12), the outer surface of the hollow stirring rod (12) is subjected to nitriding treatment, the second inflator pump (4) is arranged on the outer side wall of the charging barrel (2), one end of the second air inlet pipe (5) is communicated with the air outlet end of the second inflator pump (4), the other end of the second air inlet pipe is communicated with the other end of the middle idle shaft (11), a sealing gasket is arranged between the second air inlet pipe (5) and the middle idle shaft (11);
the use method of the automatic metal powder mixing stirrer comprises the following steps:
1) electrifying the stirrer, and simultaneously communicating the air inlet end of the first inflator pump (1) and the air inlet end of the second inflator pump (4) with an external cold air pipe;
2) pouring metal powder into the charging barrel (2), starting the rotating motor (3), and driving the material scattering rod (10) to rotate by the rotation of the rotating motor (3) shaft so as to primarily scatter the metal powder;
3) the primarily scattered metal powder enters a feeding channel (8) through a collecting channel (14), a first inflator pump (1) is started, external cold air is extracted by the first inflator pump (1) and enters a first air inlet pipe (9), the first air inlet pipe enters a flow dividing elbow (17) through an annular air conveying pipe (15), then the first air inlet pipe is blown out through the opening side of a blowing cylinder (16), and the blown cold air forms spiral air flow to scatter the metal powder for the second time after the flow guiding of the inclined side edge of the adjacent blowing cylinder (16);
4) the scattered metal powder enters a stirring drum (6), a stirring motor (7) is started, the stirring motor (7) rotates to drive a middle idle shaft (11) to rotate, the hollow rotating shaft (11) drives a hollow stirring rod (12) to rotate, and the metal powder in the stirring drum (6) is stirred;
5) meanwhile, a second air pump (4) is started, the second air pump (4) fills cold air into a second air inlet pipe (5), the cold air enters a hollow stirring rod (12) through a middle idle shaft (11), and then the cold air is blown out through a blowing head (13), so that the metal powder is stirred by the hollow stirring rod (12);
6) pulling out the sealing plug, and taking out the mixed metal powder from the stirring drum (6) through the discharge pipe;
example 2
This example differs from example 1 in that: the bulk material rods (10) are eliminated, a plurality of groups of bulk material bent rods (18) are arranged on the shaft of the rotating motor (3) at equal intervals along the circumferential direction, the bulk material bent rods (18) are arranged in a staggered mode, and the bulk material bent rods (18) in the same group are distributed at equal intervals along the axial direction of the rotating motor (3); when in use, the metal powder can be well scattered;
example 3
This example differs from example 1 in that: a spiral through hole (19) is formed at the air inlet of the blowing head (13); when the metal powder stirring device is used, the air flow blown out by the blowing head (13) can be spiral air flow, and the hollow stirring rod (12) is better assisted to stir metal powder;
the diameter of the collecting channel (14) is gradually increased from one end to the other end, so that metal powder can conveniently enter the feeding channel (8) through the collecting channel (14);
the inner wall of the collecting channel (14) is provided with a plurality of groups of rubber bumps at equal intervals along the circumferential direction, so that the flowing speed of metal powder at the edge can be reduced, the metal powder falls into the feeding channel (8) in a layered manner, and the metal powder is conveniently scattered for the second time;
the design that reinforcing ribs are arranged between the feeding channel (8) and the stirring drum (6) can improve the stability of the feeding channel (8) when the stirrer runs;
the outer surface of the hollow stirring rod (12) is subjected to nitriding treatment, so that the strength of the surface of the hollow stirring rod (12) can be improved, and the friction damage between the hollow stirring rod and metal powder during stirring is reduced;
a sealing gasket is arranged between the second air inlet pipe (5) and the middle idle shaft (11); cold air can be prevented from overflowing from the joint of the second air inlet pipe (5) and the middle idle shaft (11);
the metal powder can be pre-dispersed before mixing, and the metal dust with undersize particle size can be separated from the metal powder by using cold air in the stirring process.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
It should be further noted that, while the above specific embodiments are described for simplicity and clarity, only the differences from other embodiments are described, but those skilled in the art should understand that the above specific embodiments are independent technical solutions.
Claims (10)
1. The utility model provides a metal powder mixes automatic blending ware which characterized by: one end of a feeding channel is arranged at the top of a mixing drum and communicated with the mixing drum, the other end of the feeding channel is communicated with one end of a collecting channel, the other end of the collecting channel is communicated with a discharging drum, a discharging pipe is arranged at a position close to the bottom of the side wall of the mixing drum, one end of the discharging pipe is communicated with the mixing drum, a sealing plug is plugged at the other end of the mixing channel, an annular gas pipe is sleeved on the feeding channel, a plurality of blowing barrels are arranged on the inner wall of the feeding channel along the circumferential direction at equal intervals, the opening side edges and the inclined side edges of two adjacent blowing barrels correspond to each other, a rotating motor is arranged on the outer side wall of the discharging drum and extends into the discharging drum through the side wall of the discharging drum, a plurality of groups of bulk material rods are arranged on the shaft of the rotating motor along the circumferential direction at equal intervals, the plurality of bulk material rods are arranged in a staggered mode, the bulk material rods in the same group are distributed along the axial direction of the shaft at equal intervals, and a first inflator pump is arranged on the outer side wall of the discharging drum, one end of a first air inlet pipe is communicated with the air outlet end of a first inflator pump, the other end of the first air inlet pipe is communicated with an annular air delivery pipe, a plurality of shunting elbows are in one-to-one correspondence with a plurality of blowing barrels, one end of each shunting elbow is communicated with the annular air delivery pipe, the other end of each shunting elbow is communicated with the corresponding blowing barrel, a stirring motor is arranged at the bottom of each stirring barrel, a stirring motor shaft penetrates through the bottom of each stirring barrel and extends into the corresponding stirring barrel, one end of a hollow rotating shaft is connected with the stirring motor shaft, the other end of each hollow rotating shaft is connected with the inner wall of the top of the corresponding stirring barrel through a sealing bearing, a plurality of groups of hollow stirring rods are circumferentially and equidistantly arranged on the hollow rotating shaft, and the hollow stirring rod is provided with a plurality of groups of blowing heads at equal intervals along the circumferential direction, the blowing heads are communicated with the hollow stirring rod, the second inflator pump is arranged on the outer side wall of the discharging cylinder, one end of a second air inlet pipe is communicated with the air outlet end of the second inflator pump, and the other end of the second air inlet pipe is communicated with the other end of the hollow stirring shaft.
2. The automatic mixer of claim 1 wherein the bulk material shafts are eliminated, the shaft of the rotary motor has a plurality of sets of bulk material bent rods arranged circumferentially at equal intervals, the plurality of sets of bulk material bent rods are staggered, and the bulk material bent rods in the same set are axially spaced along the shaft of the rotary motor.
3. The automatic mixer of claim 1, wherein the air inlet of the blowhead is provided with a spiral through hole, so that the air flow blown by the blowhead is spiral when in use, and the hollow stirring rod is better assisted to mix the metal powder.
4. The automatic mixer of claim 1, wherein the diameter of the collecting channel increases gradually from one end to the other end to facilitate the metal powder to enter the feeding channel through the collecting channel.
5. The automatic mixer of claim 4 wherein the inner wall of the collection channel has a plurality of sets of rubber bumps disposed at equal intervals along the circumferential direction to slow down the flow rate of the metal powder at the edges, so that the metal powder falls into the feed channel in layers to facilitate the secondary scattering of the metal powder.
6. The automatic mixer of claim 1 wherein reinforcing ribs are disposed between the feed channel and the mixing drum.
7. The automatic metal powder mixing stirrer according to claim 1, wherein the barrel is of a right trapezoid structure, the large bottom of the barrel is attached to the inner wall of the feed passage, and the right-angled side of the barrel opposite to the inclined side of the barrel is of an open structure.
8. The automatic mixer of claim 1 wherein a seal bearing is disposed between the mixer shaft and the mixer drum, and a seal is disposed between the second inlet duct and the idler shaft.
9. The automatic metal powder mixing stirrer according to claim 1, wherein the outer surface of the hollow stirring rod is nitrided to increase the strength of the surface of the hollow stirring rod and reduce the friction damage between the hollow stirring rod and the metal powder during stirring.
10. The use method of the automatic stirrer for mixing the metal powder is characterized by comprising the following steps of:
1) electrifying the stirrer, and simultaneously communicating the air inlet ends of the first inflator pump and the second inflator pump with an external cold air pipe;
2) pouring metal powder into the charging barrel, starting the rotating motor, rotating a shaft of the rotating motor to drive the bulk material rod to rotate, and primarily scattering the metal powder;
3) the primarily scattered metal powder enters the feeding channel through the collecting channel, a first air pump is started, external cold air is pumped by the first air pump to enter a first air inlet pipe, then enters a diversion elbow pipe through an annular air conveying pipe, and is blown out through the opening side of the blowing cylinder, and the blown cold air forms spiral airflow after being guided by the inclined side of the adjacent blowing cylinder to scatter the metal powder for the second time;
4) the scattered metal powder enters a stirring drum, a stirring motor is started, a stirring motor shaft drives a middle idle shaft to rotate, and a hollow rotating shaft drives a hollow stirring rod to rotate so as to stir the metal powder in the stirring drum;
5) meanwhile, a second air pump is started, the second air pump fills cold air into a second air inlet pipe, the cold air enters the hollow stirring rod through the hollow rotating shaft and is blown out through the air blowing head to assist the hollow stirring rod to stir the metal powder;
6) and pulling out the sealing plug, and taking out the mixed metal powder from the stirring cylinder through the discharge pipe.
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| CN205236213U (en) * | 2015-12-31 | 2016-05-18 | 江苏博迁新材料有限公司 | Water conservancy diversion grader on wide -mouth is broken up to cyclone |
| CN207929094U (en) * | 2017-12-26 | 2018-10-02 | 浙江红衢源生物科技有限公司 | A kind of blender for powder mixing |
| CN208049811U (en) * | 2018-02-28 | 2018-11-06 | 江西拓泓新材料有限公司 | Tantalum niobium produces special uniform stirrer |
| CN109225860A (en) * | 2018-09-04 | 2019-01-18 | 江苏威拉里新材料科技有限公司 | A kind of 3D printing metal powder production level Four screening blanking system |
| CN210357028U (en) * | 2019-06-17 | 2020-04-21 | 厦门国丽静电粉末有限公司 | Powder coating mixer |
| CN110960998A (en) * | 2019-12-16 | 2020-04-07 | 安徽三绿实业有限公司 | Raw material mixing device is used in processing of 3D printing consumables |
| CN212096888U (en) * | 2019-12-20 | 2020-12-08 | 中国二冶集团有限公司 | Stirring mixer |
| CN213942800U (en) * | 2020-09-23 | 2021-08-13 | 济南泰丰齐辉塑料粉末有限公司 | Powder coating machine compounding device |
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