CN112317117B - Control system of little abrasive powder - Google Patents
Control system of little abrasive powder Download PDFInfo
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- CN112317117B CN112317117B CN202011270135.1A CN202011270135A CN112317117B CN 112317117 B CN112317117 B CN 112317117B CN 202011270135 A CN202011270135 A CN 202011270135A CN 112317117 B CN112317117 B CN 112317117B
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- motor
- negative pressure
- feeding
- analysis
- dust remover
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the technical field of a grinding control system, and particularly discloses a micro-grinding control system which comprises a rack, a grinding host, an analysis host, a feeder and a negative pressure system, wherein the analysis host comprises an analysis motor, an airflow cover, a rotating shaft and a discharge pipe; the feeding machine is communicated with the grinding main machine and comprises a charging bucket, a storage bin, a feeding unit and a driving unit, and the driving unit comprises a feeding motor; the negative pressure system comprises a negative pressure fan and a dust remover; the analysis motor, the feeding motor and the negative pressure fan are all in electric signal connection with an electric control unit, each electric control unit comprises a PLC and a frequency converter, and the frequency converters in each electric control unit respectively control the operation of the analysis motor, the feeding motor or the negative pressure fan. Owing to introduced the electrical control unit in this patent, through PLC control converter to analysis motor, feed motor and negative-pressure air fan's automatically regulated to realize promoting by a wide margin of production efficiency, the quality of titanium white powder also obtains very big promotion simultaneously.
Description
Technical Field
The invention relates to the technical field of a grinding control system, in particular to a micro-grinding control system.
Background
At present, in the industrial production of titanium white powder, need adopt the crocus equipment to smash and grind the titanium white powder coarse fodder, the crocus equipment includes the crocus host computer usually, the analysis host computer, batcher and negative pressure system, wherein the analysis host computer is located the top of crocus host computer, and negative pressure system is connected to the analysis host computer, the crocus host computer mainly smashes and abrasive treatment, the batcher is responsible for supplying with the coarse fodder in to the crocus host computer, and simultaneously under negative pressure system's effect, the fine powder after the grinding gets into the analysis host computer, obtain the powder that the particle diameter satisfies the requirements.
As customers in different production fields have different requirements on the granularity of the titanium dioxide, namely, a titanium dioxide production system is required to meet the production requirements of different granularities, and for the traditional grinding equipment, the feeding speed is required to be adjusted, usually, the opening size of a feeding valve is manually adjusted, and the analysis on the powder with different particle sizes is required to be realized, the rotating speed of an analysis motor is required to be manually adjusted, the adsorption on the powder with different particle sizes is required to be realized, the adjustment on different wind power sizes is required to be completed by replacing a negative pressure fan, and the mode does not meet the production requirements of the titanium dioxide; the method has the problems that on one hand, the production efficiency cannot be improved, and on the other hand, accurate adjustment cannot be achieved, so that the production quality of the titanium dioxide is influenced.
Disclosure of Invention
The invention provides a micro-grinding control system, which aims to solve the problem that the production quality of titanium dioxide is influenced because the traditional grinding equipment cannot be accurately adjusted.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a control system for micro grinding powder comprises a rack, a grinding main machine, an analysis main machine, a feeder and a negative pressure system, wherein the analysis main machine comprises an analysis motor, an airflow cover, a rotating shaft and a discharging pipe; the feeding machine is communicated with the grinding main machine and comprises a charging bucket, a storage bin, a feeding unit and a driving unit, and the driving unit comprises a feeding motor; the negative pressure system comprises a negative pressure fan and a dust remover, and the dust remover is connected with the negative pressure fan and the discharge pipe; the analysis motor, the feeding motor and the negative pressure fan are all in electric signal connection with an electric control unit, each electric control unit comprises a PLC and a frequency converter, and the frequency converters in each electric control unit respectively control the operation of the analysis motor, the feeding motor or the negative pressure fan.
The technical principle and the effect of the technical scheme are as follows:
owing to introduced the electrical control unit in this scheme, like this to the analysis motor, thereby can change the power of analysis motor through the converter and realize the different rotational speed of analysis motor output to adjust the rotational speed of air current cover, control the particle diameter of the powder of production, compare in the tradition through the mode of artificial regulation analysis motor rotational speed, this scheme of adoption, air current cover speed regulation is more accurate, and the in-process need not to shut down the processing, make the production process continuous, can improve the efficiency of titanium white powder production.
To the feed motor, through the operation of converter control feed motor, thereby make it realize the different rotational speed of feed motor output through the power that the converter changed the feed motor to adjust the speed of feed, compare in the tradition through the mode of artificial regulation feed valve, control feed speed, this scheme of adoption, feed speed adjusts more accurately, can improve the quality of titanium white powder production.
And for negative-pressure air fan, through the operation of converter control negative-pressure air fan, thereby make it can change negative-pressure air fan's power output negative-pressure wind-force of different dynamics through the converter, satisfy the requirement of different granularity powder, compare in traditional negative pressure system, can only satisfy the powder that the granularity changes through changing negative-pressure air fan, this just makes powder production can not go on in succession, and adjust negative-pressure air fan's power through PLC control converter in this scheme, with satisfy the requirement of different granularity powder to negative-pressure wind-force, from the efficiency very big promotion, and the powder that obtains designs like this more accords with the requirement of production.
To sum up, owing to introduced the electrical unit in this scheme, through PLC control converter to analysis motor, feed motor and negative-pressure air fan's automatically regulated to realize promoting by a wide margin of production efficiency, the quality of titanium white powder also obtains very big promotion simultaneously.
Further, the crocus host computer includes host computer motor, host computer casing, top cap, hollow shaft and knife rest assembly, and the hollow shaft rotates to be connected in the host computer casing, and the knife rest assembly includes a plurality of sharpenings of fixing on the hollow shaft and fixes the abrasive brick on host computer shells inner wall, wherein the upper surface of whetting a knife and the lower surface laminating of abrasive brick.
Has the advantages that: the knife rest assembly finishes the crushing and grinding of the materials, and meanwhile, a negative pressure system connected with the discharge pipe adsorbs the ground powder.
Furthermore, a supporting frame structure is fixed outside the hollow shaft.
Has the advantages that: the arrangement of the supporting frame structure can improve the deflection of the hollow shaft and improve the safety performance of the hollow shaft.
Further, the rotating shaft is coaxially arranged inside the hollow shaft.
Has the advantages that: set up like this and make the rational in infrastructure and the compactness of analysis host computer and crocus host computer.
Furthermore, the feeding unit comprises a feeding shaft and an auger blade, the auger blade is fixed on the feeding shaft, and the feeding shaft is rotatably connected in the charging bucket.
Has the advantages that: the feeding shaft rotates to drive the auger blade to rotate, so that the material is fed into the analyzer.
Furthermore, the feeding shaft is horizontally and rotatably connected in the charging bucket through a bearing and a bearing seat, a connecting hole is formed in one end of the charging bucket, and the bearing seat is fixed at one end, close to the connecting hole, of the charging bucket.
Has the advantages that: this arrangement improves the stability of the rotation of the feed shaft.
Furthermore, a plugging cylinder close to the connecting hole is arranged in the bearing seat, and the plugging cylinder is of a porous structure.
Has the advantages that: because the analysis host computer is at the during operation, has great negative pressure wind-force to get into for lubricating oil in the bearing frame is because of great negative pressure and the trend that flows in to the storage bucket, consequently even the trend that lubricating oil in the setting like this flows to the storage bucket, it can be absorbed by the porous structure of shutoff section of thick bamboo at first, thereby is difficult to get into the storage bucket from the connecting hole, prevents its contaminated material.
Further, the dust remover comprises a cyclone dust remover and a pulse dust remover, the cyclone dust remover is connected with the main powder grinding machine, and the pulse dust remover is connected between the cyclone dust remover and the negative pressure fan.
Has the advantages that: the powder discharged by the analysis host machine passes through the cyclone dust collector and the pulse dust collector respectively, so that the powder with the required granularity is obtained.
Furthermore, a differential pressure gauge is respectively connected between the air inlet end and the air outlet end of the cyclone dust collector and the pulse dust collector.
Has the beneficial effects that: therefore, the air flow pressure difference between the air inlet end and the air outlet end can be monitored in real time, and the air speed of the negative pressure fan can be adjusted conveniently.
Furthermore, the air inlet end of the pulse dust collector is also communicated with a compressed air source.
Has the advantages that: compressed air is introduced into the pulse dust collector through the compressed air source, so that the working efficiency of the pulse dust collector is improved.
Drawings
FIG. 1 is a process flow diagram of example 1 of the present invention;
fig. 2 is a schematic structural diagram of a main milling machine, a main analyzing machine and a feeder in embodiment 1 of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
fig. 4 is an enlarged schematic view of a cartridge plugging section in embodiment 2 of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the grinding machine comprises a grinding main machine 1, a main machine motor 11, a main machine shell 12, a top cover 13, a hollow shaft 14, a grinding knife 15, a grinding block 16, a first driving belt wheel 17, a first driven belt wheel 18, a first belt 19, a support frame structure 20, an analysis motor 21, an air flow cover 22, a rotating shaft 23, a discharge pipe 24, a framework structure 25, a second driving belt wheel 26, a second driven belt wheel 27, a second belt 28, an air inlet 29, a feeding hole 30, a charging bucket 31, a storage bin 32, a feeding shaft 33, a packing auger blade 34, a feeding motor 35, a chain wheel transmission mechanism 36, a negative pressure fan 2, a cyclone dust collector 3, a pulse dust collector 4, an air locking valve 5, a receiving bucket 6, a differential pressure gauge 7, a compressed air source 8, a bearing seat 90, a connecting hole 91 and a plugging cylinder 92.
Example 1:
substantially as shown in figures 1, 2 and 3 of the accompanying drawings: the utility model provides a control system of little abrasive powder, which comprises a frame, crocus host computer 1 and negative pressure system, wherein crocus host computer 1 includes host computer motor 11, host computer casing 12, top cap 13, hollow shaft 14 and knife rest assembly, wherein host computer motor 11 and host computer casing 12 are all fixed in the frame, hollow shaft 14 rotates to be connected in host computer casing 12, knife rest assembly includes a plurality of sharpenings 15 of fixing on hollow shaft 14 and fixes abrasive brick 16 on host computer casing 12 inner wall, wherein sharpens 15's upper surface and abrasive brick 16's lower surface laminating.
A first belt transmission mechanism is connected between the hollow shaft 14 and the main engine motor 11, wherein the first belt transmission mechanism comprises a first driving pulley 17, a first driven pulley 18 and a first belt 19, the first belt 19 is connected with the first driving pulley 17 and the first driven pulley 18, the first driving pulley 17 is fixed on an output shaft of the main engine motor 11, and the first driven pulley 18 is fixed on the hollow shaft 14.
A supporting frame structure 20 is further provided outside the hollow shaft 14, and the supporting frame structure 20 is provided to increase the flexibility of the hollow shaft 14.
Be equipped with the analysis host computer in the top of knife rest assembly, the analysis host computer includes analysis motor 21 in this embodiment, airflow cover 22, pivot 23 and discharging pipe 24, wherein pivot 23 coaxial setting is in the inside of hollow shaft 14, pivot 23 rotates with the frame to be connected, airflow cover 22 is big-end-up's toper form, its bottom is equipped with and is used for the skeleton texture 25 fixed with pivot 23, and the top is uncovered setting, discharging pipe 24 is vertical to be fixed on top cap 13, discharging pipe 24 and the coaxial setting of pivot 23, discharging pipe 24's bottom is located airflow cover 22.
In this embodiment, the analysis motor 21 is fixed on the frame, and a second belt transmission mechanism is connected between the analysis motor 21 and the rotating shaft 23, wherein the second belt transmission mechanism includes a second driving pulley 26, a second driven pulley 27 and a second belt 28, the second belt 28 connects the second driving pulley 26 and the second driven pulley 27, the second driving pulley 26 is fixed on the output shaft of the analysis motor 21, and the second driven pulley 27 is fixed on the rotating shaft 23.
An air inlet 29 is formed in the position, close to the lower portion, of the main case 12, a feeding port 30 close to the knife rest assembly is formed in the main case 12, the feeding port 30 is connected with a feeding machine, the feeding machine comprises a charging bucket 31, a storage bin 32, a feeding unit and a driving unit, the charging bucket 31 is horizontally arranged for a central axis, the storage bin 32 is located above the charging bucket 31 and communicated with the side wall of the charging bucket 31, the feeding unit comprises a feeding shaft 33 and an auger blade 34 in the embodiment, the auger blade 34 is fixed on the feeding shaft 33, the feeding shaft 33 is rotatably connected into the charging bucket 31, and the driving unit is used for driving the feeding shaft 33 to rotate.
In this embodiment, the driving unit includes a feeding motor 35 and a sprocket transmission mechanism 36, wherein the feeding motor 35 is fixed on the frame, the sprocket transmission mechanism 36 includes a driving sprocket, a driven sprocket and a chain, the ratio of the wheel diameter of the driving sprocket to the wheel diameter of the driven sprocket is 2.5:1, the chain is connected with the driving sprocket and the driven sprocket, a sprocket box fixed on the frame is arranged outside the sprocket transmission mechanism 36, the driving sprocket is fixed on the output shaft of the feeding motor 35, and the driven sprocket is fixed on the feeding shaft 33.
In this embodiment, the discharge pipe 24 is communicated with a negative pressure system, wherein the negative pressure system comprises a negative pressure fan 2 and a dust remover, the dust remover comprises a cyclone dust remover 3 and a pulse dust remover 4, the cyclone dust remover 3 is communicated with the discharge pipe 24, and the pulse dust remover 4 is connected between the cyclone dust remover 3 and the negative pressure fan 2, that is, the pulse dust remover 4 is communicated with the air inlet 29 of the negative pressure fan 2.
Cyclone 3 and pulse dust collector 4's bin outlet all sets up in the bottom, all be equipped with airlock valve 5 in the bin outlet, all be equipped with in cyclone 3 and pulse dust collector 4's below and connect hopper 6, all connect respectively to have differential pressure gauge 7 between cyclone 3 and pulse dust collector 4's air inlet end and air-out end, the gas flow pressure differential between real-time supervision air inlet end and the air-out end of being convenient for like this, still additionally be connected with compressed air source 8 at pulse dust collector 4's air inlet end, compressed air has been let in to pulse dust collector 4 through compressed air source 8 like this, in order to improve pulse dust collector 4's work efficiency.
In this embodiment, the analysis motor 21, the feeding motor 35 and the negative pressure fan 2 are electrically connected to an electric control unit, wherein each electric control unit comprises a PLC and a frequency converter, and the frequency converter in each electric control unit controls the operation of the analysis motor 21, the feeding motor 35 or the negative pressure fan 2.
In the production process, the feeding machine sends the material into the main machine shell 12 through the feeding hole 30, the material is polished by the tool rest assembly, the negative pressure system communicated with the discharging pipe 24 generates negative pressure, so that outside air enters the main machine shell 12 from the air inlet 29, the polished powder enters the airflow cover 22 along the direction indicated by the arrow in fig. 3, the airflow cover 22 is driven by the rotating shaft 23 to rotate at high speed, the powder enters the airflow cover 22 and then is subjected to the action of centrifugal force, the powder with larger particle size and not meeting the requirement is discharged from the framework structure 25 at the bottom of the airflow cover 22 under the action of centrifugal force, and the powder meeting the requirement enters the negative pressure system through the discharging pipe 24.
The powder entering the negative pressure system passes through the cyclone dust collector 3 and the pulse dust collector 4 in turn to obtain the finished titanium dioxide powder.
Owing to introduced the electrical control unit in this embodiment, like this to analysis motor 21, thereby can change analysis motor 21's power through the converter and realize analysis motor 21 different rotational speeds of output, thereby adjust the rotational speed of air current cover 22, the particle size of the powder of control production, compare in the tradition through the mode of artificial regulation motor rotational speed, adopt the scheme in this embodiment, air current cover 22 speed adjustment is more accurate, and the in-process need not to shut down the processing, make the production process continuous, can improve the efficiency of titanium white powder production.
To feed motor 35, through the operation of converter control feed motor 35, thereby make it can change the power of feed motor 35 through the converter and realize that feed motor 35 exports different rotational speeds to adjust the speed of feed, compare in the tradition through the mode of artificial regulation feed valve, control feed speed, adopt the scheme in this embodiment, feed speed adjusts more accurately, can improve the quality of titanium white powder production.
And for negative-pressure air fan 2, through the operation of converter control negative-pressure air fan 2, thereby make it can change negative-pressure air force of different dynamics of negative-pressure air fan 2's power output through the converter, satisfy the requirement of different granularity powder, compare in traditional negative pressure system, according to the production requirement, when the granularity of the powder that needs to produce changes, can only satisfy the powder of granularity change through changing negative-pressure air fan 2 at this time, make powder production can not go on in succession, and the electric control unit who introduces in this embodiment, adjust and control negative-pressure air fan 2's power through PLC control converter, in order to satisfy the requirement of different granularity powder to negative-pressure air force, there is very big promotion in efficiency, and the powder that obtains like this design more accords with the requirement of production.
Example 2:
the difference from embodiment 1 is that, as shown in fig. 4, the feeding shaft 33 is horizontally and rotatably connected with the bearing seat 90 in the charging barrel 31 through a bearing, wherein the bearing seat 90 is fixed at the right end of the charging barrel 31, and a connection hole 91 is formed at the right end of the charging barrel 31, and since the analysis main machine is in operation, a large negative pressure wind enters, in order to reduce the loss of the lubricating oil in the bearing seat 90 (the lubricating oil flows into the charging barrel 31 due to the large negative pressure), the quality of the material is affected.
The bearing seat 90 is internally provided with a plugging cylinder 92 close to the connecting hole 91, the plugging cylinder 92 is of a porous structure, namely is made of a porous material, the plugging cylinder 92 is sleeved on the feeding shaft 33, the outer diameter of the plugging cylinder 92 is larger than the aperture of the connecting hole 91, and the plugging cylinder 92 is positioned between the connecting hole 91 and the bearing, so that even if lubricating oil in the bearing tends to flow towards the charging basket 31, the lubricating oil can be firstly absorbed by the porous structure of the plugging cylinder 92, and thus the lubricating oil is difficult to enter the charging basket 31 from the connecting hole 91.
Example 3:
the difference from embodiment 1 is that a conical protrusion is integrally formed at the bottom of the top cover 13, the conical protrusion is in a shape with a large top and a small bottom, and the conical protrusion is partially located in the airflow hood 22, so that a flow guide channel is formed between the side wall of the conical protrusion and the inner wall of the airflow hood 22, and the powder can more easily enter the airflow hood 22 and can be attached to the inner wall of the airflow hood 22 under the action of centrifugal force.
Example 4:
the difference from embodiment 3 is that a plurality of flow deflectors are arranged on the inner wall of the airflow hood 22, the flow deflectors are uniformly distributed along the inner wall of the airflow hood 22 at equal intervals in the circumferential direction, in the process of high-speed rotation of the airflow hood 22, a negative pressure system forms spiral airflow in the airflow hood 22 through a discharge pipe 24, and the grinding block 16 is arranged on the side wall of the main machine shell 12, so ground powder enters from the outer side of the airflow hood 22 under the action of negative pressure, and large particles which do not meet requirements are subjected to larger centrifugal force and are closer to the inner wall of the airflow hood 22, so the large particles impact on the flow deflectors under the action of spiral airflow, the kinetic energy of the large particles is reduced, and the large particles fall into the tool rest assembly again along the adjacent flow deflectors to be continuously ground.
In addition, in this embodiment, the framework structure 25 includes a sleeve and a plurality of supporting frames, wherein the sleeve is coaxially fixed on the rotating shaft 23, the plurality of supporting frames are circumferentially and equidistantly fixed on the sleeve, one end of the supporting frame far away from the sleeve is fixed on the inner wall of the airflow cover 22, an annular blocking piece is coaxially fixed at the bottom of the airflow cover 22, the blocking piece is obliquely arranged, the bottom end of the blocking piece is arranged towards the rotating shaft 23, the vertical projection of the flow deflector completely falls on the blocking piece, and the inclination angle of the blocking piece is 30-45 degrees.
The purpose of this arrangement is to prevent the formation of a large negative pressure inside the airflow hood 22, which is not beneficial to safety production, so that a plurality of support frames are arranged in the framework structure 25, and gaps are formed among the support frames, so that part of negative pressure wind force can enter the main machine casing 12 through the gaps, and thus, the excessive negative pressure inside the airflow hood 22 can be prevented.
In this way, there is a problem that the large granular powder falling along the inner wall of the airflow hood 22 is also subjected to upward wind force, so that it is difficult to quickly return to the blade holder assembly, and therefore, the large granular powder falling along the inner wall of the airflow hood 22 is not influenced by the airflow between the supporting frames and can quickly fall into the blade holder assembly by the arrangement of the blocking piece in the embodiment.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a control system of little abrasive powder, includes frame, crocus host computer, analysis host computer, batcher and negative pressure system, its characterized in that: the analysis host comprises an analysis motor, an airflow cover, a rotating shaft and a discharge pipe, wherein the rotating shaft is rotatably connected with the rack, the airflow cover is in a conical shape with a large upper part and a small lower part, the bottom of the airflow cover is provided with a framework structure for fixing the airflow cover with the rotating shaft, the top of the airflow cover is arranged in an open manner, the discharge pipe is vertically fixed above the rotating shaft, and the bottom end of the discharge pipe is positioned in the airflow cover; the feeding machine is communicated with the grinding main machine and comprises a charging bucket, a storage bin, a feeding unit and a driving unit, and the driving unit comprises a feeding motor; the negative pressure system comprises a negative pressure fan and a dust remover, and the dust remover is connected with the negative pressure fan and the discharge pipe; the analysis motor, the feeding motor and the negative pressure fan are all connected with electric control units in an electric signal mode, each electric control unit comprises a PLC and a frequency converter, and the frequency converter in each electric control unit respectively controls the operation of the analysis motor, the feeding motor or the negative pressure fan;
be equipped with a plurality of water conservancy diversion pieces on the air current cover inner wall, a plurality of water conservancy diversion pieces are along the equidistant equipartition of air current cover inner wall circumference, skeletal structure includes sleeve and a plurality of support frame, the sleeve is coaxial to be fixed in the pivot, and the equidistant fixing of a plurality of support frame circumference is on the sleeve, the support frame is kept away from sleeve one end and is fixed on the inner wall of air current cover, the coaxial annular separation blade that is fixed with in the bottom of air current cover, the separation blade slope sets up, and the bottom of separation blade sets up towards the pivot, the vertical projection of water conservancy diversion piece has all fallen on the separation blade in addition.
2. The system for controlling microabrasion of claim 1, wherein: the crocus host comprises a host motor, a host shell, a top cover, a hollow shaft and a knife rest assembly, wherein the hollow shaft is rotatably connected in the host shell, the knife rest assembly comprises a plurality of knife sharpeners fixed on the hollow shaft and abrasive blocks fixed on the inner wall of the host shell, and the upper surfaces of the knife sharpeners are attached to the lower surfaces of the abrasive blocks.
3. The system for controlling microabrasion of claim 2, wherein: and a support frame structure is fixed outside the hollow shaft.
4. A microabrasive control system according to claim 3, wherein: the rotating shaft is coaxially arranged inside the hollow shaft.
5. The system for controlling microabrasion of claim 1, wherein: the feeding unit comprises a feeding shaft and an auger blade, the auger blade is fixed on the feeding shaft, and the feeding shaft is rotatably connected in the charging bucket.
6. The system for controlling microabrasion of claim 5, wherein: the feeding shaft is horizontally and rotatably connected into the charging bucket through a bearing and a bearing seat, a connecting hole is formed in one end of the charging bucket, and the bearing seat is fixed at one end, close to the connecting hole, of the charging bucket.
7. The system for controlling microabrasion of claim 6, wherein: a plugging cylinder close to the connecting hole is arranged in the bearing seat, and the plugging cylinder is of a porous structure.
8. The system for controlling microabrasion of claim 1, wherein: the dust remover comprises a cyclone dust remover and a pulse dust remover, wherein the cyclone dust remover is connected with the main powder grinding machine, and the pulse dust remover is connected between the cyclone dust remover and the negative pressure fan.
9. The system for controlling microabrasion of claim 8, wherein: and a differential pressure gauge is respectively connected between the air inlet end and the air outlet end of the cyclone dust collector and the pulse dust collector.
10. The system for controlling microabrasion of claim 9, wherein: and the air inlet end of the pulse dust collector is also communicated with a compressed air source.
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| CN209753100U (en) * | 2018-12-29 | 2019-12-10 | 四川士达特种炭材有限公司 | Open type negative pressure control suspension roller type pulverizer |
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