CN110260962A - Powder micro-weighing device - Google Patents
Powder micro-weighing device Download PDFInfo
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- CN110260962A CN110260962A CN201910465291.4A CN201910465291A CN110260962A CN 110260962 A CN110260962 A CN 110260962A CN 201910465291 A CN201910465291 A CN 201910465291A CN 110260962 A CN110260962 A CN 110260962A
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- blanking
- powder
- weighing
- cutting agency
- driving
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- 239000000843 powder Substances 0.000 title claims abstract description 81
- 238000005303 weighing Methods 0.000 title claims abstract description 74
- 230000007246 mechanism Effects 0.000 claims abstract description 141
- 238000005520 cutting process Methods 0.000 claims abstract description 54
- 230000000875 corresponding effect Effects 0.000 claims abstract description 9
- 230000003028 elevating effect Effects 0.000 claims abstract description 8
- 230000001276 controlling effect Effects 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 230000008450 motivation Effects 0.000 claims description 3
- 229910052571 earthenware Inorganic materials 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 19
- 238000005070 sampling Methods 0.000 abstract description 12
- 238000004458 analytical method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/52—Weighing apparatus combined with other objects, e.g. furniture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
Abstract
The invention discloses a kind of powder micro-weighing device, it is related to sampling weighing-appliance technical field, main purpose is so that the samplings such as coal weigh easy to operate, saving manpower, raising working efficiency, and avoid generating error, to improve precision of analysis.Main technical schemes of the invention are as follows: the weighing device includes mobile mechanism, driving mechanism, cutting agency, weighing mechanism and controller；Driving mechanism is set to mobile mechanism, for being moved under the drive of mobile mechanism, connect driving mechanism with cutting agency；Cutting agency is used under the driving of driving mechanism, and the powder in sample bottle is drained into crucible；Weighing mechanism is used to weigh the weight of powder in crucible；Controller is electrically connected with elevating mechanism, driving mechanism, cutting agency and weighing mechanism respectively, respectively carries out corresponding actions for controlling it, and record the weighing result of weighing mechanism.Present invention is mainly used for coal etc. is sampled and is weighed.
Description
Technical field
The present invention relates to sampling weighing-appliance technical fields, in particular to a kind of powder micro-weighing device.
Background technique
Currently, industry relevant to coal such as power plant, coal-dressing plant or steel mill etc. are to the clearing form of coal generally according to removal
Coal weight after moisture is settled accounts, so that the water content of batch of coal becomes an important factor for influencing coal price lattice, therefore, to coal
Before being settled accounts, it usually needs test to the water content of coal.
In the prior art, seasoning is generallyd use to examine the water content of coal, and this method includes the sampling and weighing of coal.Mesh
Before, lab assistant usually requires to prepare sampling instrument, sample container, weighing-appliance according to chemical examination for the sampling and weighing of coal
Project provides that manual sampling weighs, meanwhile, need manually to carry out sampling record, complicated for operation, waste of manpower, efficiency is lower, and
It is easy to produce error, the accuracy of impact analysis result.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of powder micro-weighing device, main purpose is so that coal etc. samples
What is weighed is easy to operate, saves manpower, improves working efficiency, and avoids generating error, to improve precision of analysis.
In order to achieve the above objectives, present invention generally provides following technical solutions:
The embodiment of the invention provides a kind of powder micro-weighing devices, including mobile mechanism, driving mechanism, blanking machine
Structure, weighing mechanism and controller；
The driving mechanism is set to the mobile mechanism, for being moved under the drive of the mobile mechanism, makes
The driving mechanism is connect with the cutting agency；
The cutting agency is used under the driving of the driving mechanism, and the powder in sample bottle is drained into crucible；
The weighing mechanism is used to weigh the weight of powder in the crucible；
The controller respectively with the elevating mechanism, the driving mechanism, the cutting agency and the weighing mechanism
Electrical connection, respectively carries out corresponding actions for controlling it, and record the weighing result of the weighing mechanism.
Further, the driving mechanism includes:
Fixing seat, the fixing seat are set to the mobile mechanism；
Driving motor, the driving motor are set to the fixing seat；
Drive shaft, one end of the drive shaft are connect with the output end of the driving motor, and the other end passes through the fixation
Seat with the cutting agency for connecting；
Lifting unit, the lifting unit are set to the fixing seat, and with the driving axis connection, for the driving
The rotation of axis and drive the drive shaft to carry out elevating movement, to drive the cutting agency that the powder in sample bottle is drained into institute
State crucible.
Further, the lifting unit includes:
Lifting set, the lifting set is set to the fixing seat, and is socketed on the outside of the drive shaft, the lifting set
End face on to be provided at least two positioned opposite, and successively there is phase between the convex edge that camber line rises, two convex edges
Pair plane；
Pin shaft, the pin shaft and the drive shaft interconnection, and pass through the defeated of the first elastic component and the driving motor
Outlet connection, the both ends of the pin shaft are connected to respectively in two planes；
When drive shaft rotation, the pin shaft can rise with the rotation of the drive shaft and along the convex edge, with
The drive shaft is driven to rise, until the pin shaft is rotated to the edge of convex edge and under the effect of the elastic force of first elastic component
Acceleration drops to the plane, to drive the cutting agency that the powder in sample bottle is drained into the crucible.
Further, the cutting agency includes:
Storage bin, the storage bin include interconnected blanking channel and storing channel, the entrance of the blanking channel
It is communicated with bottle cap, for connecting the sample bottle, the sample bottle is sent powder to institute by the blanking channel bottle cap
It states in storing channel；
Blanking portion, the blanking portion are set in the storing channel, and the one end in the blanking portion is logical by the storing
The entrance in road is connect with the driving mechanism, and the other end can stretch out the outlet in the storing channel, and the blanking portion is used in institute
Under the driving for stating driving mechanism, the powder in storing channel is drained into the crucible.
Further, the blanking portion includes:
Connector, the connector by the entrance in the storing channel with the driving mechanism for being connect；
One end of blanking axis, the blanking axis is connect with the connector, and another end opening and the extended storing are logical
The outlet in road, the blanking chamber of the blanking axis being internally provided with its other end open communication, and be arranged on the blanking axis
There is the feed inlet being connected to the blanking chamber.
Further, the blanking axis is the first axle body；
The quantity of the feed inlet be it is multiple, multiple feed inlets be intervally arranged in the first axle body periphery and
It is connected to the blanking chamber；
The inner wall of the feed inlet gradually expands arrangement from inside to outside.
Further, the blanking axis is the second axle body；
The quantity of the feed inlet be it is multiple, multiple feed inlets be intervally arranged in the second axle body periphery and
It is connected to the blanking chamber；
The center line of multiple feed inlets is successively in tilted layout along the direction of rotation of the second axle body.
Further, the other end of the drive shaft is connected with the first friction plate；
The connector includes the second friction plate, and the is provided between second friction plate and the storing vias inner walls
Two elastic components；
The surface of first friction plate is used to keep by the surface of second elastic component and second friction plate
Frictional connection.
Further, the powder micro-weighing device further include:
Mounting rack, the mounting rack are set to the mobile mechanism, and the mounting rack has the profile with the storage bin
The compatible accommodating space of shape；
The storage bin is for being accommodated in the accommodating space.
Further, the powder micro-weighing device further include:
Sensor, the sensor are electrically connected with the controller；
X, Y mobile unit, X, Y mobile unit are electrically connected with the controller；
The mobile mechanism is set to X, Y mobile unit.
By above-mentioned technical proposal, the present invention is at least had the advantages that
Powder micro-weighing device provided in an embodiment of the present invention, by the way that mobile mechanism, driving mechanism, blanking machine is arranged
Structure, weighing mechanism and controller, and mobile mechanism can drive driving mechanism movement, so that driving mechanism is connect with cutting agency,
Enable cutting agency under the driving of driving mechanism, the powder in sample bottle is drained into crucible, and weighing mechanism can be with
Powder weight in crucible is weighed, controller can control above-mentioned each mechanism and carry out corresponding actions, and recordable title
The weighing result of measuring mechanism.Compared with prior art, powder micro-weighing device provided in an embodiment of the present invention, realizes coal wind
The automatic weighing of powder sample and work is automatically recorded, it is easy to operate, manpower is saved, is improved work efficiency, and avoid production
Raw error, improves precision of analysis.Moreover, because coal product are manually entirely not directly contacted in sampling weighing process,
It can be achieved to further ensure analysis result with the use of unattended chemical examination coal sample is achieved the purpose that with other automation equipments
Accuracy.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the powder micro-weighing device provided in an embodiment of the present invention at the first visual angle；
Fig. 2 is a kind of structural schematic diagram of the powder micro-weighing device provided in an embodiment of the present invention at the second visual angle；
Fig. 3 is the enlarged structure schematic diagram in Fig. 2 at A；
Fig. 4 is the structural schematic diagram that set is gone up and down in Fig. 2；
Fig. 5 is a kind of structural schematic diagram of the powder micro-weighing device provided in an embodiment of the present invention at third visual angle；
Fig. 6 is the enlarged structure schematic diagram in Fig. 5 at B；
Fig. 7 is the structural schematic diagram of the first axle body in Fig. 5；
Fig. 8 is the structural schematic diagram of the second axle body in Fig. 5；
Fig. 9 is the schematic cross-sectional view of Fig. 8.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the preferred embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or
Similar label indicates same or similar element or element with the same or similar functions.Described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to
It is used to explain the present invention, and is not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
In the description of the present embodiment, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the present embodiment and simplifies description, rather than indication or suggestion meaning
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the present embodiment
The limitation of protection scope.
As shown in Figure 1, the embodiment of the invention provides a kind of powder micro-weighing device, including mobile mechanism 1, driving machine
Structure 2, cutting agency 3, weighing mechanism 4 and controller；Wherein, driving mechanism 2 may be disposed at mobile mechanism 1, in moving machine
It is moved under the drive of structure 1, connect driving mechanism 2 with cutting agency 3；Cutting agency 3 is used for the driving in driving mechanism 2
Under, the powder in sample bottle is drained into crucible；Weighing mechanism 4 is used to weigh the weight of powder in crucible；Controller respectively with
Elevating mechanism, driving mechanism 2, cutting agency 3 and weighing mechanism 4 are electrically connected, and respectively carry out corresponding actions for controlling it, and remember
Record the weighing result of weighing mechanism 4.Wherein, label " 10 " representing sample bottle, label " 20 " indicate crucible.
In the powder micro-weighing device, mobile mechanism 1 can be to be driven by the motor being electrically connected with the controller
Screw mechanism, and driving mechanism 2 can be set on the sliding block of the screw mechanism, to realize under the control action of controller,
Motor driven screw mechanism work, so that sliding block drives driving mechanism 2 to move up and down.And cutting agency 3 can be set
The lower section of driving mechanism 2, weighing mechanism 4 can be set the lower section in cutting agency 3 and can be electronic balance, and assay flask can pacify
On cutting agency 3, when the sliding block of mobile mechanism 1 drives driving mechanism 2 to decline and connect with cutting agency 3, blanking machine
Powdered sample in sample bottle can be drained into the crucible on weighing mechanism 4 under the driving of driving mechanism 2, make to weigh by structure 3
Mechanism 4 weighs the sample in crucible, and weighing result is sent to controller, until the result of weighing reaches setting value
Until.
Powder micro-weighing device provided in an embodiment of the present invention, by the way that mobile mechanism, driving mechanism, blanking machine is arranged
Structure, weighing mechanism and controller, and mobile mechanism can drive driving mechanism movement, so that driving mechanism is connect with cutting agency,
Enable cutting agency under the driving of driving mechanism, the powder in sample bottle is drained into crucible, and weighing mechanism can be with
Powder weight in crucible is weighed, controller can control above-mentioned each mechanism and carry out corresponding actions, and recordable title
The weighing result of measuring mechanism.Compared with prior art, powder micro-weighing device provided in an embodiment of the present invention, realizes coal wind
The automatic weighing of powder sample and work is automatically recorded, it is easy to operate, manpower is saved, is improved work efficiency, and avoid production
Raw error, improves precision of analysis.Moreover, because coal product are manually entirely not directly contacted in sampling weighing process,
It can be achieved to further ensure analysis result with the use of unattended chemical examination coal sample is achieved the purpose that with other automation equipments
Accuracy.
Wherein, the structure type of driving mechanism 2 can there are many, as long as driving cutting agency 3 may be implemented by sample bottle
Interior sample is expelled to the crucible on weighing mechanism 4 Nei.In an optional embodiment, referring to figs. 2 and 3, and combine
Fig. 1, driving mechanism 2 may include fixing seat 21, which is set to mobile mechanism 1；Driving motor 22, the driving motor
22 can be set in fixing seat 21；One end of drive shaft 23, the drive shaft 23 can be connect with the output end of driving motor 22, separately
One end may pass through fixing seat 21 for connecting with cutting agency 3；Lifting unit, the lifting unit can be set in fixing seat 21, and with
Drive shaft 23 connects, and drives drive shaft 23 to carry out elevating movement, for the rotation with drive shaft 23 to drive cutting agency 3
Powder in sample bottle is drained into crucible.
According to above-described embodiment, fixing seat 21 be can be set on the sliding block of mobile mechanism 1, and the fixing seat 21 can be
Closed box body structure, and by drive shaft 23 and lifting unit package inside it to play the role of protection.And driving motor 22
The outside of fixing seat 21 can be located at, and the output end of driving motor 22 can be connect by shaft coupling with one end of drive shaft 23.
Lifting unit is connect with drive shaft 23, and drive shaft 23 can be driven to carry out elevating movement with the rotation of drive shaft 23, with driving
Cutting agency 3 drains into the powder in sample bottle in the crucible of weighing mechanism 4, structurally reasonable, using reliable.
In an optional embodiment, referring to fig. 2, Fig. 3 and Fig. 4, lifting unit above-mentioned may include lifting set 24, the liter
Drop set 24 is set to fixing seat 21, and is socketed on the outside of drive shaft 23, can be set at least two on the end face of lifting set 24
It is a positioned opposite, and successively there is between the convex edge 241 that camber line rises, two convex edges 241 opposite plane 242；Pin shaft
25, which and can be connect with the output end of driving motor 22 by the first elastic component 26 with 23 interconnection of drive shaft,
The both ends of pin shaft 25 are connected to respectively in two planes 242.Wherein, the first elastic component 26 can be spring.
In above-described embodiment, the first elastic component 26 be can be set between shaft coupling above-mentioned and pin shaft 25, due to pin shaft
25 with 23 interconnection of drive shaft, be specifically as follows vertical connection, and the both ends of pin shaft 25 be connected to respectively two convex edges 241 it
Between plane 242 on, thus realize when driving mechanism 2 driving motor 22 starting when, drive shaft 23 can drive pin shaft 25
Rotation, so that the both ends of pin shaft 25 move along convex edge 241 and risen, drives drive shaft from the elastic force for overcoming the first elastic component 26
23 rise, until pin shaft 25 rotates to the edge of convex edge 241 and accelerates to drop under the effect of the elastic force of the first elastic component 26 flat
During face 242, then this rising and acceleration decline, drive shaft 23 can give cutting agency 3 one impact forces by the lifting unit,
So that the powder in sample bottle is successfully drained into crucible by cutting agency 3, the sampling and weighing of sample powder, structure are realized
Simply, it realizes reliable.
Two opposite cloth are only provided with herein it should be noted that due in above-described embodiment, on the end face of lifting set 24
Set and successively along camber line rise convex edge 241, and between two convex edges 241 have opposite plane 242, driving mechanism 2
Driving motor 22 often rotate a circle, drive shaft 23 can pass through lifting unit realize a blanking period, i.e., drive shaft 23 drive
The rising of cutting agency 3 declines again, provides one-shot power for cutting agency 3 sample powder is smoothly discharged.Certainly, can by
The end face of lifting set 24 is arranged multipair positioned opposite and successively equal along the convex edge 241 that camber line rises, and between each pair of convex edge 241
Opposite plane 242 is set, and the driving motor 22 that driving mechanism 2 can be realized often rotates a circle, and drive shaft 23 can pass through lifting
Portion realizes multiple blanking periods, i.e. it is cutting agency 3 that drive shaft 23, which drives cutting agency 3 to carry out repeatedly rising lowering action again,
Repeat impact power is provided repeatedly to exclude sample powder, specific set-up mode can be depending on the circumstances, herein without limitation.
Wherein, the structure type of cutting agency 3 can there are many, will as long as may be implemented under the driving of driving mechanism 2
Sample in sample bottle is expelled to the crucible on weighing mechanism 4 Nei.In an optional embodiment, referring to figs. 5 and 6,
And Fig. 1 is combined, which may include storage bin 31, which may include interconnected blanking channel 311
With storing channel 312, wherein the entrance of blanking channel 311 can be communicated with bottle cap 3111, and the bottle cap 3111 is for connecting sample
Bottle, so that sample bottle is sent powder into storing channel 312 by blanking channel 311；Blanking portion, the blanking portion can be set in
In storing channel 312, the one end in the blanking portion is connect by the entrance in storing channel 312 with driving mechanism 2, and the other end can stretch out
The outlet in the storing channel 312, the blanking portion is used under the driving of driving mechanism 2, by the powder in storing channel 312
It drains into crucible.
In above-described embodiment, referring to Fig. 1, storage bin 31 can be in Y type, and form interconnected 311 He of blanking channel
Storing channel 312, and before sampling weighs, sample bottle can be inserted on the bottle cap 3111 of blanking channel 311, so that
Powder in sample bottle is entered in storing channel 312 by bottle cap 3111 and blanking channel 311, and by storing channel is arranged in
In 312, and the blanking portion being connect with driving mechanism 2 by the powder in storing channel 312 drain into the crucible on weighing mechanism 4 into
Row weighs, structurally reasonable, using reliable.In addition, the outlet in the storing channel 312, which can be set, is being plugged in storing channel
On the sealing plate 3121 of 312 outlet ends, and sealing ring can be set between the outlet and blanking axis, to seal powdered sample, and
In non-blanking, the outlet of blanking axis can be flushed with the sealing plate 3121, and when blanking, blanking axis can be in the driving of driving mechanism 2
Lower stretching outlet.
In an optional embodiment, referring to figs. 5 and 6, and Fig. 1 being combined, blanking portion above-mentioned may include connector,
The connector is used to connect by the entrance in storing channel 312 with driving mechanism 2；One end of blanking axis 32, the blanking axis 32 can
To connect with connector, the other end can be open and the outlet in extended storing channel 312, blanking axis 32 be internally provided with
The blanking chamber 322 of its other end open communication, and be specifically as follows on the side wall of blanking axis 32 on the blanking axis 32 and may be provided with
The feed inlet 321 being connected to blanking chamber 322.
According to above-described embodiment, since blanking axis 32 is arranged in storing channel 312, powder can be filled in blanking
Around axis 32, and feed inlet 321 is provided on the side wall of blanking axis 32, when under driving of the blanking axis 32 in driving mechanism 2
When rotation, surrounding powder can be included into its blanking chamber 322 by feed inlet 321, be given in drive shaft 23 by lifting unit
During 3 impact force of cutting agency, blanking axis 32 can do downward accelerated motion, until the pin shaft 25 of lifting unit rotates extremely
When lifting covers 24 241 edge of convex edge and accelerates to drop to plane 242 under the effect of the elastic force of the first elastic component 26, blanking axis 32
Blanking chamber 322 in powder i.e. can be successfully expelled in crucible under impact force action, meanwhile, with blanking axis 32 turn
Dynamic, remaining surrounding powder can refill around it under its stirring action, in case carrying out next blanking period.
In an optional embodiment, referring to Fig. 7, and Fig. 5 is combined, blanking axis 32 above-mentioned can be the first axle body；It should
One end of the first axle body with connector for connecting, the outlet in another end opening and extended storing channel 312；And it is above-mentioned under
Material chamber 322 can be set in the first axle body inside and with its other end open communication；The quantity of feed inlet 321 above-mentioned is
It is multiple, multiple feed inlet 321 can be intervally arranged in the first axle body periphery and be connected to blanking chamber 322；And feed inlet
321 inner wall gradually expands arrangement from inside to outside.Specifically, each feed inlet 321 can be in D font, and inner wall is gradually outside
Expansion, when the first axle body is rotated with driving mechanism 2, the powder in storing channel 312 around the first axle body can pass through
The D font feed inlet 321 and be included into blanking chamber 322, and from its other end be discharged.
Herein it should be noted that since the viscosity of different powdered samples is different, it can be tried according to powder
The viscosity of sample designs the size of D font feed inlet 321 on the first axle body, for example, when powdered sample is relatively more glutinous, it can be by feed inlet
321 bore increases.
In an optional embodiment, referring to Fig. 8 and Fig. 9, and Fig. 5 is combined, blanking axis 32 above-mentioned can also be second
Axis body；One end of the second axle body with connector for connecting, the outlet in another end opening and extended storing channel 312；Before
State blanking chamber 322 can be set in the second axle body inside and with its other end open communication；And the quantity of feed inlet 321 is also
Can to be multiple, multiple feed inlet 321 can be intervally arranged in the second axle body periphery and be connected to blanking chamber 322；And
The center line of multiple feed inlet 321 is successively in tilted layout along the direction of rotation of the second axle body.Specifically, each feed inlet 321
It can be in flat, and from the arrangement that extends centrally out of blanking chamber 322, and its center line can be along the direction of rotation of the second axle body
Successively it is in tilted layout.Such structure design, can make the biggish powder of viscosity under the influence of centrifugal force, pass through each
The feed inlet 321 of a inclination arrangement enters blanking chamber 322 and is discharged, and the passability of powder is preferable.
Herein it should be noted that blanking axis 32 above-mentioned can be at least two kinds of axis bodies, i.e. the first axle body and the second axis
Body, when specifically used, operator can select corresponding axis body to carry out discharge, example according to the specific viscosity size of powdered sample
Such as, powdered sample higher for viscosity can choose the first axle body with feed inlet 321 of different sizes, more for viscosity
High powdered sample, can choose the second axle body, be expelled to crucible in order to which powdered sample passes through cutting agency 3.
After a blanking end cycle, remaining powder around blanking axis 32 can be refilled successfully
Around it, in case the blanking work in next blanking period can be in the first axle body or the second axis in an optional embodiment
The outer wall of body once set multiple stirring blades, to pass through stirring blade as powder is realized in the rotation of the first axle body or the second axle body
It stirs and loose, in order to which remaining described powder can successfully refill around blanking axis 32, in case under next
Expect the blanking work in period.
For the ease of replacing blanking axis 32 when test, in an optional embodiment, referring to figs. 5 and 6, former connector
It may include Coupling Shaft 33, one end of the Coupling Shaft 33 can be set band internal thread spliced eye, and in the first axle body and the
External screw thread compatible with the internal screw thread can be set in one end outer wall of two axis bodies, so that the first axle body and the second axle body can be with
It is attached with Coupling Shaft 33, selects corresponding axis body to carry out using easy to use according to the viscosity of powdered sample to realize.
In an optional embodiment, referring to figs. 5 and 6, and Fig. 1 is combined, in 23 other end of drive shaft of driving mechanism 2
The first friction plate 27 is can connect；And connector can also include the second friction plate 34, second friction plate 34 and storing are logical
The second elastic component 35 is provided between 312 inner wall of road；The surface of first friction plate 27 is used to pass through the second elastic component 35 and second
The surface of friction plate 34 keeps frictional connection.Wherein, the second elastic component 35 can be spring.
Driving mechanism 2 can be made by the setting of the first friction plate 27 and the second friction plate 34 according to above-described embodiment
Frictional connection is carried out with cutting agency 3, i.e., frictional connection is carried out by the surface of the first friction plate 27 and the second friction plate 34, led to
Cross frictional connection transmitting torque, such structure design, convenient for the separation of cutting agency 3 and driving mechanism 2, to replace down
Expect axis 32 and sample bottle.
Specifically, the first friction plate 27 can be the circular slab for being socketed in 23 end of drive shaft, and the second friction plate 34 can be with
For the circular slab being connect by limit shaft with Coupling Shaft 33, and the second elastic component 35 can be socketed in the outside of limit shaft, and two
End is connected on the convex edge 241 of 312 inner wall of the second friction plate 34 and storing channel.Specifically when implementing, mobile mechanism 1, which drives, is driven
Motivation structure 2 declines, and the first friction pulley and the second friction pulley are in contact, and (can be until the second elastic component 35 is compressed to preset value
The 1/2 of effective travel), then stop working.And when drive 3 blanking of cutting agency of driving mechanism 2, blanking axis 32 follows drive shaft 23
Its surrounding powder is included in blanking chamber 322, the lifting unit band of driving mechanism 2 by rotating by rotation, the first axle body or the second axle body
Dynamic drive shaft 23 moves upwards, at this point, the second elastic component 35 resets and can keep the connection of the first friction pulley and the second friction pulley,
Until peaking, drive shaft 23 and blanking axis 32 is driven to accelerate downwards under the elastic force effect of the first elastic component 26,
The powder in the blanking chamber 322 of blanking axis 32 is discharged in the impact force of generation.
Herein it should be noted that above-mentioned preset value, should ensure that the lifting unit of driving mechanism 2 drives drive shaft 23 upward
When movement, the second elastic component 35 after reset still is able to keep the connection between the first friction plate 27 and the second friction plate 34, with
It is that cutting agency 3 provides impact force convenient for driving mechanism 2.Specifically, the maximum of the convex edge 241 of the preset value and lifting set 24 is high
Degree is related, i.e., the effective travel of the second elastic component 35 should can be equal to or more than 2 times of lifting set 24 convex edge, 241 maximum height,
When moving upwards and peak along the convex edge 241 of lifting set 24 so as to the pin shaft 25 of drive shaft 23, the second elastic component 35 is multiple
Position can keep being reliably connected between the first friction pulley and the second friction pulley.
In an optional embodiment, referring to Fig. 1 or Fig. 2, which can also include mounting rack 5,
The mounting rack 5 is set in mobile mechanism 1, specifically can be set in the bottom of screw mechanism, which has and storage bin
The compatible accommodating space of 31 chamfered shape；Storage bin 31 is for being accommodated in accommodating space.Specifically, the mounting rack 5
Accommodating space can be adapted for chamfered shape with storage bin 31 and the hollow structure of upper and lower opening, is tested to realize and work as
When, storage bin 31 can be entirely plugged in accommodating space or accommodating space in extract, to realize cutting agency 3
Installation or removal, using more convenient.
In an optional embodiment, referring to Fig. 1, Fig. 2 or Fig. 5, which can also include sensing
Device, the sensor are electrically connected with the controller；X, Y mobile unit 6, X, Y mobile unit 6 are electrically connected with the controller；Mobile mechanism 1
It is set to X, Y mobile unit 6.
According to above-described embodiment, by setting sensor and X, Y mobile unit 6, and the setting of mobile mechanism 1 is moved in X, the Y
It on moving cell 6, realizes when crucible is placed on balance on goods and services, sensor (infrared sensor or camera etc.) can be detected
The location status of crucible, and drive mobile mechanism 1 to act by X, Y mobile unit 6, the blanking axis 32 of cutting agency 3 is gone out
Mouth is moved to right above mouth of pot, so that powdered sample is expelled in crucible；Moreover, when crucible is round, X, Y in blanking
Mobile unit 6 can drive mobile mechanism 1 to walk arc track, and when crucible is abnormity, in blanking, X, Y mobile unit 6 can be driven
Special-shaped track is walked by mobile mechanism 1 so that the powder of discharge will not in crucible heap point, but a plane 242 is formed, with full
Sufficient test requirements document.Wherein, as illustrated in fig. 2 or fig. 5, X, Y mobile unit 6 includes X-direction moving portion 61 and Y-direction moving portion 62,
Because it is common technology in the prior art, when use, can be selected in the prior art, therefore herein without being described in detail.
The specific work process of the powder micro-weighing device can be with are as follows: after cutting agency 3 is fixed on mounting rack 5,
Powder (0.2mm) in sample bottle can be entered in storing channel 312 by blanking channel 311, and powder is filled in blanking axis
Around 32.When crucible is placed on balance on goods and services, sensor detects bushing position state, is driven and is moved by X, Y mobile unit 6
Motivation structure 1 acts, and the blanking axis 32 of cutting agency 3 is exported to the surface for being moved to mouth of pot.Controller (control system)
Peeling work is carried out, input need to weigh the weight of powder, and select the model of crucible.
When the shape of crucible is round, the electric motor starting of mobile mechanism 1, and driving mechanism 2 is driven to decline, work as driving machine
When first friction plate 27 of structure 2 and the second friction plate 34 of cutting agency 3 contact, the respective sensor that can trigger setting is (red
Outer sensor or camera etc.) to controller transmission signal, so that controller records the location status of the first friction plate 27 at this time,
Mobile mechanism 1 works on, until the second elastic component 35 is compressed to the 1/2 of its length, at this point, the outlet of blanking axis 32 is by storing
The sealing plate 3121 in storehouse 31 exposes, 1 stopping of mobile mechanism movement.
The driving motor 22 of driving mechanism 2 starts and drive shaft 23 is driven to rotate, under the drive of the first friction plate 27, under
The second friction plate 34 and blanking axis 32 for expecting mechanism 3 are rotated, its surrounding powder is passed through charging by rotating by blanking axis 32
Mouth 321 is included in its blanking chamber 322.At this point, the pin shaft 25 being mounted in drive shaft 23 in driving mechanism 2 is in the convex of lifting set 24
Moved upwards under 241 guiding role, the second elastic component 35 reset and keep the first friction plate 27 and the second friction plate 34 it
Between connection, after pin shaft 25 reach lifting set 24 convex edges 241 highest point after, the first elastic component 26 elastic force effect under, drive
Moving axis 23 and blanking axis 32 do downward accelerated motion, and generating impact after the plane 242 that pin shaft 25 drops to lifting set 24 will
Powder in the blanking chamber 322 of blanking axis 32 is expelled in crucible, meanwhile, blanking axis 32 continues to rotate and stir storing channel
Remaining powder in 312 is allowed to refill around blanking axis 32, and so far, a blanking period completes.
Herein it should be noted that as previously mentioned, the driving motor 22 of driving mechanism 2 often rotates a circle, lifting can be passed through
Multiple blanking periods, and the powdered sample of each blanking period output zero point and milligram are realized in the change for covering 24 structures, are weighed
Mechanism 4 records weighing data in real time and feeds back to controller (control system), and controller drives according to weighing rate curve strip
The revolving speed of the driving motor 22 of mechanism 2 can reduce driving that is, when the data that weighing mechanism 4 is fed back will be close to target data
The revolving speed of motor 22, so that powder is slowly expelled to crucible by cutting agency 3, until the data of feedback reach target data,
Set need are finally reached to weigh vertically, to improve weighing accuracy.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of powder micro-weighing device, which is characterized in that including mobile mechanism, driving mechanism, cutting agency, weighing mechanism
And controller；
The driving mechanism is set to the mobile mechanism, for being moved under the drive of the mobile mechanism, makes described
Driving mechanism is connect with the cutting agency；
The cutting agency is used under the driving of the driving mechanism, and the powder in sample bottle is drained into crucible；
The weighing mechanism is used to weigh the weight of powder in the crucible；
The controller is electrically connected with the elevating mechanism, the driving mechanism, the cutting agency and the weighing mechanism respectively
It connects, respectively carries out corresponding actions for controlling it, and record the weighing result of the weighing mechanism.
2. powder micro-weighing device according to claim 1, which is characterized in that the driving mechanism includes:
Fixing seat, the fixing seat are set to the mobile mechanism；
Driving motor, the driving motor are set to the fixing seat；
Drive shaft, one end of the drive shaft are connect with the output end of the driving motor, and the other end is used across the fixing seat
It is connect in the cutting agency；
Lifting unit, the lifting unit are set to the fixing seat, and with the driving axis connection, for the drive shaft
It rotates and the drive shaft is driven to carry out elevating movement, to drive the cutting agency that the powder in sample bottle is drained into the earthenware
Crucible.
3. powder micro-weighing device according to claim 2, which is characterized in that the lifting unit includes:
Lifting set, the lifting set is set to the fixing seat, and is socketed on the outside of the drive shaft, the end of the lifting set
It is positioned opposite that it is provided at least two on face, and successively has between the convex edge that camber line rises, two convex edges opposite
Plane；
Pin shaft, the pin shaft and the drive shaft interconnection, and pass through the output end of the first elastic component and the driving motor
Connection, the both ends of the pin shaft are connected to respectively in two planes；
When drive shaft rotation, the pin shaft can rise with the rotation of the drive shaft and along the convex edge, to drive
The drive shaft rises, until the pin shaft rotates to the edge of convex edge and accelerates under the effect of the elastic force of first elastic component
The plane is dropped to, to drive the cutting agency that the powder in sample bottle is drained into the crucible.
4. powder micro-weighing device according to claim 2, which is characterized in that the cutting agency includes:
Storage bin, the storage bin include interconnected blanking channel and storing channel, the entrance connection of the blanking channel
There is bottle cap, for connecting the sample bottle, the sample bottle is sent powder to the storage by the blanking channel bottle cap
Expect in channel；
Blanking portion, the blanking portion are set in the storing channel, and the one end in the blanking portion passes through the storing channel
Entrance is connect with the driving mechanism, and the other end can stretch out the outlet in the storing channel, and the blanking portion is used in the drive
Under the driving of motivation structure, the powder in storing channel is drained into the crucible.
5. powder micro-weighing device according to claim 4, which is characterized in that the blanking portion includes:
Connector, the connector by the entrance in the storing channel with the driving mechanism for being connect；
One end of blanking axis, the blanking axis is connect with the connector, another end opening and the extended storing channel
Outlet, the blanking chamber of the blanking axis being internally provided with its other end open communication, and be provided on the blanking axis with
The feed inlet of the blanking chamber connection.
6. powder micro-weighing device according to claim 5, which is characterized in that
The blanking axis is the first axle body；
The quantity of the feed inlet be it is multiple, multiple feed inlets are intervally arranged in the periphery and and institute of the first axle body
State the connection of blanking chamber；
The inner wall of the feed inlet gradually expands arrangement from inside to outside.
7. powder micro-weighing device according to claim 5, which is characterized in that
The blanking axis is the second axle body；
The quantity of the feed inlet be it is multiple, multiple feed inlets are intervally arranged in the periphery and and institute of the second axle body
State the connection of blanking chamber；
The center line of multiple feed inlets is successively in tilted layout along the direction of rotation of the second axle body.
8. powder micro-weighing device according to claim 5, which is characterized in that
The other end of the drive shaft is connected with the first friction plate；
The connector includes the second friction plate, is provided with the second bullet between second friction plate and the storing vias inner walls
Property part；
The surface of first friction plate is used to keep rubbing by the surface of second elastic component and second friction plate
Connection.
9. powder micro-weighing device according to claim 4, which is characterized in that further include:
Mounting rack, the mounting rack are set to the mobile mechanism, and the mounting rack has the chamfered shape with the storage bin
Compatible accommodating space；
The storage bin is for being accommodated in the accommodating space.
10. powder micro-weighing device according to claim 1, which is characterized in that further include:
Sensor, the sensor are electrically connected with the controller；
X, Y mobile unit, X, Y mobile unit are electrically connected with the controller；
The mobile mechanism is set to X, Y mobile unit.
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| CN201910465291.4A CN110260962A (en) | 2019-05-30 | 2019-05-30 | Powder micro-weighing device |
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| CN201910465291.4A CN110260962A (en) | 2019-05-30 | 2019-05-30 | Powder micro-weighing device |
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| CN110470368A (en) * | 2019-08-08 | 2019-11-19 | 诸葛嘉 | A kind of accurate measuring device and metering method of mealy medicine |
| CN111735661A (en) * | 2020-07-03 | 2020-10-02 | 湖南铁道职业技术学院 | Intelligent micro coal sample sampling mechanism and quantitative micro coal sample sampling and weighing method |
| CN112844106A (en) * | 2020-12-30 | 2021-05-28 | 湖北省地质勘查装备中心 | High-precision feeding system |
| CN112844107A (en) * | 2020-12-30 | 2021-05-28 | 湖北省地质勘查装备中心 | High-precision automatic feeding instrument |
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Address after: No. 21, Kuangong Road, Pingdingshan City, Henan Province 467002 Applicant after: PINGDINGSHAN TIANAN COAL MINING Co.,Ltd. Applicant after: China Pingmei Shenma Holding Group Co.,Ltd. Applicant after: ZHONGPING INFORMATION TECHNOLOGY Co.,Ltd. Address before: No. 21, Kuangong Road, Pingdingshan City, Henan Province 467002 Applicant before: PINGDINGSHAN TIANAN COAL MINING Co.,Ltd. Applicant before: CHINA PINGMEI SHENMA ENERGY CHEMICAL GROUP Co.,Ltd. Applicant before: ZHONGPING INFORMATION TECHNOLOGY Co.,Ltd. |