CN106185278B - A kind of coal dust dosing device - Google Patents
A kind of coal dust dosing device Download PDFInfo
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- CN106185278B CN106185278B CN201610759616.6A CN201610759616A CN106185278B CN 106185278 B CN106185278 B CN 106185278B CN 201610759616 A CN201610759616 A CN 201610759616A CN 106185278 B CN106185278 B CN 106185278B
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- sliding platform
- feed bin
- feed
- dosing device
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
A kind of coal dust dosing device, including feed bin, material-receiving device, tablet, driving device, the bin bottom is equipped with feed opening and has a smooth lower surface, and the driving device drives feed bin that its lower surface is made to be tightly attached to the reciprocating movement of tablet upper surface；The material-receiving device has a cavity for receiving material, it is located at below tablet, the feed opening of the feed bin can be open by tablet with the material receiving port of material-receiving device and be communicated, the push plate that can be axially moved along material-receiving device cavity inner wall is equipped in the material-receiving device cavity, the inner wall of material-receiving device cavity is close on the surrounding place side surface of the push plate；The dosing device that the application provides, it is simple in structure to be easy to replicate, it is stable and reliable for performance, it can be accurately controlled.It can detect to be full of in feed bin cavity after coal dust by feed bin sensor and send out signal to system, startup procedure, which is driven through hydraulic drive feed bin is made to move to aperture position on tablet along tablet upper rail, unloads powder, it can be by adjusting position of the push plate in material-receiving device cavity, to adjust the amount of coal dust.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of dosing device more particularly to a kind of coal dust dosing
Device.
Background technology
Dosing device is the ideal equipment that continuous dosing is carried out to bulk material, is the life of various industry spots
Production control, management provide accurate continuous data, have a wide range of applications.
Existing dosing technique has following several, but general structure is complicated, of high cost, price.
1. powder proportional sampling device including two empty rooms, is all provided with tooth of having family in two empty rooms, interior has is revolved by screw
The control kickboard of conjunction by turn screw, can drive control kickboard to be axially moveable in the bucket of room, so as to empty in control room bucket
Between size, achieve the purpose that quantitative sampling.After being quantified by Primary regulation, the object of phase homogenous quantities just can be extracted infinitely
Product, suitable for powder or homogeneous short grained quantitative sampling, quantitative requirement can be reached in practical applications, but need outer
Boundary increases power source and conveying mechanism, complicated.
2. the characteristics of for powder material quantitative blanking, a kind of quantitative weighing control based on STC89 microcontrollers of design
Device is that the computer control system of an electromechanical integration is equipped with necessary control interface using STC89 microcontrollers and controls soft
Part realize Quantitative dosing Real-time and Dynamic Detection and quantitatively the controller of control designs with controllability is strong, measuring fixed amount is smart
The features such as degree is high, easy to operate.But cost is too high.
3. the flowmeter measured using turbine.Flow velocity is first converted to the rotating speed of turbine by it, then rotating speed is converted into
The electric signal directly proportional to flow.Induction coil and permanent magnet are fixed on housing together.When ferromagnetism turbo blade passes through
During magnet, the magnetic resistance of magnetic circuit changes, so as to generate inductive signal.Signal amplifies through amplifier and shaping, is sent to counter
Or frequency meter, show total flow integration.Pulse frequency is converted simultaneously to indicate instantaneous flow through overfrequency-voltage.Impeller
Rotating speed be proportional to flow, the revolution of impeller is proportional to the total amount flowed through, complicated.
4. orifice flowmeter is that the high range of standard orifice plate and the mating composition of multi-parameter differential pressure transmitter is compared differential flow
Device is by one-time detection part（Throttling element）And secondary device（Differential pressure transmitter and Flow Measurement Display Meter）Composition is widely used in gas
Body.The flow measurement of steam and liquid.With simple in structure, easy to maintenance, performance stabilization.Since the influence of many factors is crisscross
Complexity, accuracy are difficult to improve；There is longer flow development length requirement, be generally more difficult to meet.Especially to compared with Large Diameter Pipeline, problem is more
Add protrusion.
Existing dosing device, the amount deviation given every time in the feeding process of coal dust are larger.Being fed on the low side can make
It is too thin into briquette, be not suitable for detection；Be fed it is on the high side can cause on slide unit that remaining powder amount is more, make troubles to the transport of briquette.
In summary, the prior art mainly has the disadvantages that：
1）It is complicated；
2）The influence of many factors is intricate, and accuracy is difficult to improve；
3）There is longer flow development length requirement, be generally more difficult to meet.Especially to compared with Large Diameter Pipeline, problem more protrudes.
Invention content
The purpose of the present invention is to provide a kind of coal dust dosing device, to solve existing for traditional quantitative charging gear
The quantitative problem of defect, more easily coal dust in feeding process, and it is simple in structure, feeding coal is accurate, at low cost.
Technical solution provided by the invention is：
A kind of coal dust dosing device, including feed bin, material-receiving device, tablet, driving device, the bin bottom is equipped with
Feed opening and with a smooth lower surface, it is reciprocal that the driving device drives feed bin that its lower surface is made to be tightly attached to tablet upper surface
It is mobile；The material-receiving device has a cavity for receiving material, is located at below tablet, and feed opening and the splicing of the feed bin fill
The material receiving port put can be open by tablet and be communicated, it is characterised in that：It is equipped with and can be filled along splicing in the material-receiving device cavity
The push plate of cavity wall axial movement is emptied, the inner wall of material-receiving device cavity is close on the surrounding place side surface of the push plate.
Further, according to actual needs, the shape of feed bin can flexibly be set, feed bin shape can be external square,
Inner cavity is round or external square, inner cavity are rectangular.
Further, the movement for the ease of feed bin on it, feed powder are not easy to accumulate on tablet, the tablet upper table
Face is smooth flat.
Further, the driving device is any one in hydraulic drive, Pneumatic Transmission, motor drive.
Further, as a kind of more perfect dosing device, the feed bin top also sets up synchronous movement
Sliding platform, the sliding platform be more than feed bin upper surface strip tablet and with sliding platform opening；It slides flat
Feed device for conveying from material to feed bin, the lower surface of the feed device and sliding platform dynamic sealing are set above platform,
The lower opening of the feed device is open by sliding platform and is communicated with the feed bin feed inlet that the top of the feed bin is equipped with.
Further, the feed device includes straight tube and the pedestal being fixed below straight tube, and the pedestal has pedestal
Opening.
Further, in order to ensure the smooth outflow of feed powder, the pedestal opening is identical with the feed opening size of straight tube.
Further, it is described in order to accurately detect feed situation and coordinate the mobile opportunity of driving device control feed bin
Feed device sets feed bin sensor.
Further, it is close on the sliding platform in order to more ensure the stabilization of feed bin inventory when moving
The side arranging plate of material-receiving device also sets up a spring, and one end and the plate of the spring are fixed, the other end and the cunning far from plate side
Moving platform one end is fixed.
Further, it in order to preferably control the position of plastic plate, is set at sliding platform opening leftward position edge
Put spacer pin.
Further, for the ease of movement of the plate on sliding platform, sliding platform relative to the movement of feed device, institute
State sliding platform be the baffled pentahedron in side or for close to plate one end is baffled, remaining side is equipped with baffle
Tetrahedron.
Further, for the ease of the whereabouts of material, the sliding platform opening diameter not less than pedestal opening diameter but
Less than the diameter of pedestal.
The application's has the beneficial effect that：The dosing device that the application provides, simple in structure to be easy to replicate, performance is stablized
Reliably, it can be accurately controlled.It can detect to be full of in feed bin cavity after coal dust by feed bin sensor and send out letter to system
Number, startup procedure, which is driven through hydraulic drive feed bin is made to move to aperture position on tablet along tablet upper rail, unloads powder.It can
By adjusting position of the push plate in material-receiving device cavity, to adjust the amount of coal dust.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples：
Fig. 1 is dosing device splicing stage front section view of the present invention；
Fig. 2 is dosing device discharging phase front section view of the present invention.
Wherein, 1. straight tube；2. sliding platform；3. feed bin；4. tablet；5. material-receiving device；51. push plate；7. driving device；
11. feed bin sensor；12. pedestal；21. spacer pin；22. spring；23. plate；24. sliding platform is open；25. pedestal opening；31.
Feed bin feed inlet；41. tablet is open.
Specific embodiment
A kind of coal dust dosing device, including feed bin 3, material-receiving device 5, tablet 4, driving device 7,3 bottom of feed bin
Portion is equipped with feed opening and has a smooth lower surface, and the driving device 7 drives feed bin 3 that its lower surface is made to be tightly attached to tablet 4
Upper surface moves back and forth；Material-receiving device 5 has a cavity for receiving material, is located at 4 lower section of tablet, 5 upper end of material-receiving device is opened
Mouth is material receiving port, and the feed opening and the material receiving port of material-receiving device 5 of the feed bin 3 can be communicated by tablet opening 41, made in feed bin 3
Material fall into material-receiving device 5；Unlike the prior art, being equipped in 5 cavity of material-receiving device can be along splicing
The push plate 51 that 5 cavity inner wall of device is axially moved, it is possible to understand that, side surface and 5 cavity of material-receiving device of the push plate 51
The inner wall of 5 cavity of material-receiving device is close on inner wall dynamic sealing, the surrounding place side surface of push plate 51, ensures to leak when push plate 51 is moved
Material, by the movement for controlling push plate, thus it is possible to vary the size of cavity above push plate controls and receives the amount of material.
After feed bin receives material, feed bin 3 is driven to be moved to 41 top of tablet opening by driving device 7, feed bin starts to unload
Material, since the push plate 51 in material-receiving device 5 can adjust the size of material-receiving device cavity above push plate, so when material fills up sky
Chamber and when reaching tablet opening 41, feed bin 3 drives return in situ by driving device 7, and feed bin 3 is by extra material band therewith at this time
It walks, the material that material-receiving device 5 receives is quantitative material.The inventory accommodated in feed bin 3 should be more than material-receiving device 5 and push plate
The inventory that the maximum cavity of 51 settings accommodates, to ensure that material is adequately filled up at material-receiving device and slightly more than tablet opening 41.
The shape of feed bin 3 can flexibly be set, and shape is external square, inner cavity is round or external square, inner cavity are rectangular,
It is preferred that using external square, the circular feed bin in inner cavity, inner cavity is circle, and without dead angle, material will not stop accumulation on inner wall；
Bin wall can have certain thickness, make feed bin when being moved on tablet, will not deform, shake because of the pulling of driving device
It is dynamic, it influences the sealing of feed bin and tablet and leads to material leakage or feed bin discharging suitable for reading.
It should be understood that tablet 4 is strip, tablet upper surface answers flat smooth, can be ground and be made, exists convenient for feed bin 3
Movement thereon, feed powder are not easy to accumulate on tablet 4.
Driving device 7 can be hydraulic cylinder or cylinder or motor, as long as can realize that the requirement that control feed bin 3 moves is
It can.
As a kind of more perfect dosing device, on the basis of devices discussed above, 3 top of feed bin is also
The sliding platform 2 of synchronous movement is set, and the sliding platform 2 is the strip tablet more than feed bin upper surface and has cunning
Moving platform opening 24；The setting of the top of sliding platform 2 is for conveying the feed device of material to feed bin 3, under the feed device
Surface and 2 dynamic sealing of sliding platform, the lower opening of the feed device pass through sliding platform opening 24 and the top of the feed bin
The feed bin feed inlet 31 that portion is equipped with communicates.
Preferably, the feed device includes straight tube 1 and is fixed on the pedestal 12 of 1 lower section of straight tube, and the pedestal 12 has
Pedestal opening 25, it is possible to understand that, as ordinary circumstance, the pedestal opening 25 is identical with the feed opening size of straight tube 1.
Further, feed device setting feed bin sensor 11, feed bin sensor 11 can be arranged on straight tube wall, also may be used
To be arranged on pedestal 12, signal, system are sent out to system after feed bin sensor 11, which detects, is full of coal dust in 3 cavity of feed bin
Startup program, which is driven through driving device feed bin 3 is made to move to tablet aperture position along tablet 4, unloads powder.
The side arranging plate 23 of close material-receiving device on the sliding platform 2, plate 23 can be plastic plate, also set up
One spring 22, one end and the plate 23 of the spring 22 are fixed, and the other end is fixed with sliding platform one end far from plate side, the other end
The outside and sliding platform one end far from plate side that feed device can be bypassed are fixed.
When feed bin 3 is moved with sliding platform 2 to material-receiving device together, plate 23 can move under the effect of spring 22 at this time
To at sliding platform opening 24, cover sliding platform opening 24 namely cover the upper opening of feed bin, more ensure feed bin in movement
When inventory stabilization.
Further, it for the shift position of more precise control plate, is open 24 in the sliding platform far from 23 side of plate
24 left side setting spacer pin 21 of edge i.e. sliding platform opening is put, when plate 23 is moved to sliding platform 24 top of opening,
Spacer pin 21 can continue to move with barrier plate 23, fix the position of plate 23.Spacer pin 21 is integrally fixed on sliding platform 2,
When sliding platform 2 is moved with feed bin 3, in order to which spacer pin 21 is made not blocked by pedestal 12, the position that spacer pin 21 is set should
The both sides of pedestal 12 are avoided, and plate 23 can be blocked.
The sliding platform 2 could be provided as the baffled pentahedron in side, and this set is flat in slip convenient for plate 23
Relative to the movement of feed device, the position of plate 23 will not deviate for movement and sliding platform on platform 2；Surrounding has baffle,
Sliding platform 2 is made to form the platform with sliding slot or similar guide rail, limit is played in the relative movement track of device to it and thereon
It makes and uses.
Certainly, the spring 22 can be held away from the baffle of sliding platform one end of 23 side of plate, can also
It is fixed on the end position of sliding platform 2.
It is appreciated that the sliding platform 2 can not be baffled close to one end of plate 23, remaining side is equipped with baffle；It is sliding
Moving platform 2, will not to the sliding platform 2 and thereon relative movement track of device close to one end of plate 23 neither fixed spring 22
Play restriction effect, it is possible to not baffled.
The sliding platform is open 24 diameters not less than 25 diameter of pedestal opening, convenient for the whereabouts of material；But it should be less than base
The diameter of seat 12.
Certainly preferably straight tube feed opening, pedestal opening, sliding platform opening are consistent with the opening diameter of feed bin feed inlet.
Specific operation principle is as follows：As shown in Figure 1, feed bin 3 is exactly in 24 lower section of sliding platform opening, straight tube 1, base
Seat 12, sliding platform 2 are communicated with feed bin 3, and plate 23 is located at the right side of pedestal 12, and material, by pedestal 12, is entered by straight tube 1
In feed bin 3, signal, system are sent out to system after the feed bin sensor 11 in straight tube 1, which detects, is full of coal dust in 3 cavity of feed bin
Startup program is driven through driving device 7, as hydraulic drive make feed bin 3 along tablet 4 move to tablet opening 41 position unload powder.
As shown in Fig. 2, the sliding platform 2 when feed bin 3 moves right above it is moved right with feed bin 3, when sliding platform 2 is turned right
When movement, plate 23 can be under spring force relative to sliding platform to left movement, to the location plate 23 of spacer pin 21
It being blocked, is no longer moved to the left, sliding platform opening 24 is covered, therefore coal dust is limited in 3 cavity of feed bin by plate 23 at this time,
It is static relative to sliding platform 2 later, it is moved right with sliding platform 2.When feed bin 3 moves to 41 positions of tablet opening
When, the coal dust in feed bin 3 can be fallen into material-receiving device 5, complete discharging.When 3 backhaul of feed bin, 3 bottom of feed bin is just by tablet
The extra powder at 41 that is open strikes off.Therefore the powder amount in material-receiving device 5 is determined by the cavity volume of material-receiving device, material-receiving device
Setting push plate 51 in cavity can adjust the volume of material-receiving device cavity when push plate 51 is axially moved along the cavity of material-receiving device,
To adjust the amount of coal dust.Sliding platform also moves therewith during 3 backhaul of feed bin, returns to state shown in FIG. 1.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (23)
1. a kind of coal dust dosing device, including feed bin（3）, material-receiving device（5）, tablet（4）, driving device（7）, the material
Storehouse（3）Bottom is equipped with feed opening and with a smooth lower surface, feed bin（3）Top is equipped with feed inlet（31）, the driving dress
It puts（7）Drive feed bin（3）Its lower surface is made to be tightly attached to tablet（4）Upper surface moves back and forth；The material-receiving device（5）It is connect with one
The cavity of material is received, is located at tablet（4）Lower section, the feed bin（3）Feed opening and material-receiving device（5）Material receiving port can pass through
Tablet is open（41）It communicates, in the material-receiving device（5）Being equipped in cavity can be along material-receiving device（5）Cavity inner wall is axially moved
Push plate（51）, the push plate（51）Surrounding place side surface be close to material-receiving device（5）The inner wall of cavity；It is characterized in that：The material
Storehouse（3）Top also sets up the sliding platform of synchronous movement（2）, the sliding platform（2）To be more than feed bin（3）Upper surface
Strip tablet and with sliding platform opening（24）；Sliding platform（2）Top setting is for feed bin（3）Conveying material is sent
Expect device, lower surface and the sliding platform dynamic sealing of the feed device, the lower opening of the feed device can pass through slip
Platform openings（24）With feed bin feed inlet（31）It communicates.
2. dosing device according to claim 1, it is characterised in that：The feed bin（3）Shape is external square, interior
Chamber is round or external square, inner cavity are rectangular.
3. dosing device according to claim 2, it is characterised in that：The tablet（4）Upper surface is smooth flat.
4. dosing device according to claim 3, it is characterised in that：The driving device（7）For hydraulic drive, gas
Press any one in transmission, motor drive.
5. according to the dosing device described in claim 1-4 any claims, it is characterised in that：The feed device packet
Include straight tube（1）Be fixed on straight tube（1）The pedestal of lower section（12）, the pedestal（12）With pedestal opening（25）.
6. dosing device according to claim 5, it is characterised in that：The sliding platform opening（24）Diameter is not small
In pedestal opening（25）Diameter but less than pedestal（12）Diameter.
7. dosing device according to claim 6, it is characterised in that：The pedestal opening（25）With straight tube（1）'s
Feed opening size is identical.
8. according to the dosing device described in claim 1-4 any claims, it is characterised in that：On the feed device
Feed bin sensor is set（11）.
9. dosing device according to claim 5, it is characterised in that：Feed bin sensor is set on the feed device
（11）.
10. dosing device according to claim 6, it is characterised in that：Feed bin is set to sense on the feed device
Device（11）.
11. dosing device according to claim 7, it is characterised in that：Feed bin is set to sense on the feed device
Device（11）.
12. dosing device according to claim 8, it is characterised in that：In the sliding platform（2）It is upper to lean on proximity
Expect device（5）Side arranging plate（23）, also set up a spring（22）, the spring（22）One end and plate（23）It is fixed, it is another
It holds and is fixed with sliding platform one end far from plate side.
13. dosing device according to claim 9, it is characterised in that：In the sliding platform（2）It is upper to lean on proximity
Expect device（5）Side arranging plate（23）, also set up a spring（22）, the spring（22）One end and plate（23）It is fixed, it is another
It holds and is fixed with sliding platform one end far from plate side.
14. dosing device according to claim 10, it is characterised in that：In the sliding platform（2）It is upper close
Material-receiving device（5）Side arranging plate（23）, also set up a spring（22）, the spring（22）One end and plate（23）It is fixed, separately
One end is fixed with sliding platform one end far from plate side.
15. dosing device according to claim 11, it is characterised in that：In the sliding platform（2）It is upper close
Material-receiving device（5）Side arranging plate（23）, also set up a spring（22）, the spring（22）One end and plate（23）It is fixed, separately
One end is fixed with sliding platform one end far from plate side.
16. dosing device according to claim 12, it is characterised in that：It is open in sliding platform（24）Left side is set
Spacer pin（21）.
17. dosing device according to claim 13, it is characterised in that：It is open in sliding platform（24）Left side is set
Spacer pin（21）.
18. dosing device according to claim 14, it is characterised in that：It is open in sliding platform（24）Left side is set
Spacer pin（21）.
19. dosing device according to claim 15, it is characterised in that：It is open in sliding platform（24）Left side is set
Spacer pin（21）.
20. dosing device according to claim 16, it is characterised in that：The sliding platform（2）It is carried for side
The pentahedron of baffle is close plate（23）One end is baffled, remaining side is equipped with the tetrahedron of baffle.
21. dosing device according to claim 17, it is characterised in that：The sliding platform（2）It is carried for side
The pentahedron of baffle is close plate（23）One end is baffled, remaining side is equipped with the tetrahedron of baffle.
22. dosing device according to claim 18, it is characterised in that：The sliding platform（2）It is carried for side
The pentahedron of baffle is close plate（23）One end is baffled, remaining side is equipped with the tetrahedron of baffle.
23. dosing device according to claim 19, it is characterised in that：The sliding platform（2）It is carried for side
The pentahedron of baffle is close plate（23）One end is baffled, remaining side is equipped with the tetrahedron of baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759616.6A CN106185278B (en) | 2016-08-30 | 2016-08-30 | A kind of coal dust dosing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759616.6A CN106185278B (en) | 2016-08-30 | 2016-08-30 | A kind of coal dust dosing device |
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| CN106185278A CN106185278A (en) | 2016-12-07 |
| CN106185278B true CN106185278B (en) | 2018-06-19 |
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| CN111634700B (en) * | 2019-09-27 | 2021-07-06 | 清华大学 | Device and method for simultaneously metering and mixing two or more materials |
| CN112643869A (en) * | 2021-01-30 | 2021-04-13 | 黄超 | Feeding system for alumina ceramic product forming machine |
| CN112776135A (en) * | 2021-01-30 | 2021-05-11 | 黄超 | Automatic feeding press for alumina ceramic products |
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|---|---|
| CN106185278A (en) | 2016-12-07 |
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