CN115090393A - Collision coarse material removing type double-roller sand making machine - Google Patents
Collision coarse material removing type double-roller sand making machine Download PDFInfo
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- CN115090393A CN115090393A CN202210702544.7A CN202210702544A CN115090393A CN 115090393 A CN115090393 A CN 115090393A CN 202210702544 A CN202210702544 A CN 202210702544A CN 115090393 A CN115090393 A CN 115090393A
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- 239000004576 sand Substances 0.000 title claims abstract description 58
- 239000000463 material Substances 0.000 title claims abstract description 18
- 239000004575 stone Substances 0.000 claims abstract description 30
- 238000005096 rolling process Methods 0.000 claims abstract description 29
- 239000002245 particle Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 455
- 238000001125 extrusion Methods 0.000 claims description 81
- 238000001914 filtration Methods 0.000 claims description 41
- 239000010720 hydraulic oil Substances 0.000 claims description 27
- 238000007790 scraping Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 description 8
- 238000000926 separation method Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
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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
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/022—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by using a liquid curtain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/14—Stamping mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/286—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/20—Filtering
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Filtration Of Liquid (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention relates to a colliding coarse material removing type double-roller sand making machine, which comprises a shell and two rolling cylinders positioned in the shell, wherein a rolling gap is formed between the two rolling cylinders; the clearance between the two squeezing crushing heads which are folded to the limit position is below the particle size of the stone with the maximum particle size which can be crushed by the crushing cylinder. The sand making machine has the advantage that large stones can be firstly crushed and then made into sand, and the problem of large dust generated during output of the existing sand making machine is solved.
Description
Technical Field
The invention relates to a sand making machine, in particular to a double-roller sand making machine for colliding and removing coarse materials.
Background
A sand maker is a mechanical device for crushing stones into sand or sand. The structure of the sand making machine has two types, one is a hammer crusher, the other is a double-roller machine (hereinafter referred to as a double-roller sand making machine), the hammer crusher has many wearing parts, large energy consumption, much dust and uneven fineness. The roller pair sand making machine can avoid the defects of much dust and uneven fineness. The patent document with Chinese patent No. 2010202399225, publication No. CN201791554U, entitled "drive mechanism of double-roller sand making machine" discloses a double-roller sand making machine, the crushing of stone into sand by the double-roller sand making machine is realized by rolling a pair of crushing cylinders (also called rollers), the crushing cylinder of the initial double-roller sand making machine is realized by arranging a chain wheel at one end of the crushing cylinder, then reducing the speed of the output of a motor by a speed reducer and then driving the chain wheel by a chain, therefore, the defects of poor efficiency, large abrasion, small bearing capacity, small impact resistance, large vibration and appearance volume and short continuous operation life exist; the present applicant has devised for this purpose an internally driven pair roller sand mill as disclosed in patent application No. 2016101635735. The prior sand making machines of the above types have the following defects: powder is generated in the sand making process, and the dust generated during the powder output is large; during sand is made through big stone, need smash the stone into the stone of tiny granule through the rubbing crusher, then carry out the system sand with the stone transfer belt system sand machine of tiny granule again, this mode system sand need carry out the secondary and transport, leads to the generation cost to increase.
Disclosure of Invention
The invention aims to provide a colliding coarse material removal type pair roller sand making machine capable of crushing large stones and then making sand, and solves the problem of large dust generated during output of the conventional sand making machine.
The invention aims to provide a colliding coarse material removing type pair roller sand making machine capable of spraying water to the periphery of output sand so as to reduce dust pollution, and the colliding coarse material removing type pair roller sand making machine solves the problem that the output dust of the existing sand making machine is large.
The technical problem is solved by the following technical scheme: the utility model provides a collide and remove thick material formula pair roller system husky machine, includes the frame, the frame is provided with two crushing barrel and drive crushing barrel pivoted drive structure, crushing barrel is including rolling a section of thick bamboo and main shaft, crushing barrel passes through the main shaft with the frame links together, forms between two rolling barrels and rolls the clearance, its characterized in that still includes seal structure's shell, two rolling barrel is located in the shell, the shell is equipped with discharge gate and feed inlet, the discharge gate is located the below of rolling barrel and falls out for the sand that rolling barrel rolled out, the feed inlet is located the top of rolling barrel and inputs between two rolling barrels for the stone that treats rolling, the feed inlet is equipped with the sieve, respectively is equipped with an extrusion head slide opening on two relative lateral walls of feed inlet, sliding connection has extrusion crushing head in the extrusion head slide opening, and extrusion crushing head is located the top of sieve, the extrusion crushing head is connected with a hydraulic oil cylinder, and the hydraulic oil cylinder is connected with a hydraulic station; when the two crushing heads are folded to the limit position, the gap between the two crushing heads is below the particle size of the stone block with the maximum particle size which can be crushed by the crushing cylinder. When in use, stones with the size larger than the requirement of the sand making machine are blocked by the sieve, fall through the sieve holes and are crushed. The two extrusion crushing heads are separated and combined, and stones blocked on the screen are crushed, so that the stones can fall down. According to the technical scheme, large stones are crushed into small stones and then are integrated together in a sand making manner, so that the requirement of the sand making machine on materials can be improved and the sand making machine is more universal.
Preferably, the two extrusion head sliding holes are communicated through two sliding grooves which are located on two opposite side walls of the feeding hole in a one-to-one correspondence mode, and the extrusion crushing heads are connected in the sliding grooves in a sliding mode in the folding process of the extrusion crushing heads. The stability of the extrusion crushing head in moving can be improved.
The invention also comprises a displacement sensor for detecting the sliding speed of the extrusion crushing head in the sliding hole of the extrusion head, the oil pressure output to the hydraulic oil cylinder by the hydraulic station can be adjusted, the extrusion crushing head is provided with a sliding seat and the extrusion head which is hermetically penetrated in the sliding seat, the extrusion head and the sliding seat enclose a sealed liquid storage cavity, the sealed liquid storage cavity is filled with liquid, and a pressure sensor for detecting the pressure in the sealed liquid storage cavity is arranged in the sealed liquid storage cavity. In the process of closing the extrusion crushing head, the hydraulic station outputs hydraulic oil to the hydraulic oil cylinder, and the hydraulic oil cylinder drives the extrusion crushing head to move towards the feeding hole; when the speed sensor detects that the speed of the extrusion crushing head is smaller than a first set value and the pressure detected by the pressure sensor is continuously increased, the pressure of hydraulic oil output by the hydraulic station is continuously increased; when the speed sensor detects that the speed of the extrusion crushing head is higher than a second set value, the pressure of hydraulic oil output by the hydraulic station stops rising, and the first set value is smaller than the second set value. The hydraulic station can work with optimized power output, energy consumption can be reduced, and noise and generated dust in the process of crushing large stones can be reduced. According to the technical scheme, the accuracy of acceptance during the working of the extrusion crushing head is good, the interference of the output pressure of the hydraulic station is avoided, and if the pressure of the hydraulic cylinder is detected as the pressure of the extrusion crushing head, the accuracy is poor.
Preferably, the speed sensor detects a moving speed of a piston rod of the hydraulic cylinder to obtain a moving speed of the crushing head. The reliability in detecting the speed is good.
Preferably, the screen is a flat screen, the extrusion crushing head is provided with a screen cleaning scraping strip which is attached to the upper surface of the screen and used for scraping the screen, and the extending direction of the screen cleaning scraping strip is perpendicular to the distribution direction of the extrusion crushing head. Can dredge the sieve.
Preferably, the side wall of the feed port, which is provided with the extrusion head sliding hole, is provided with a sieve avoiding hole, two ends of a sieve penetrate through the sieve avoiding holes on the two side walls of the feed port, the sieve is made of a body magnet, and the extrusion crushing head is provided with an electromagnet for adsorbing the sieve; in the process of moving the extrusion crushing heads, only one electromagnet on one extrusion crushing head is electrified to adsorb the sieve at the same time. The time when the electromagnets on the two crushing heads are alternately energized is the time when the two crushing heads are separated to the extreme positions. Can smash the first drive sieve through the extrusion and remove, efficiency when improving the sieve stone.
Preferably, two rollers are further arranged in the shell, the rollers abut against the lower surface of the sieve, and the two rollers are distributed at two ends of the sieve along the moving direction of the two extrusion crushing heads. Can be with the stone jack-up of card in the screen hole, then removed under the effect of the clean scraping strip of sieve, the effectual of mediation sieve.
Preferably, the distance of the drum from the midpoint position between the two crushing heads is smaller than the distance of the screen cleaning bar from the midpoint position between the two crushing heads. According to the scheme, the stones in the screen holes are jacked up firstly, and then the cleaned screen scraping strips are shifted and pulled out. The reliability is good when the sieve pores are dredged.
Preferably, the extrusion section of the extrusion crushing head is provided with crushing teeth. The reliability of the broken big stone can be improved.
Preferably, the periphery of the discharge port is provided with a plurality of water nozzles distributed along the circumferential direction of the discharge port, the water nozzles are connected with the outlet end of the water pump, the inlet end of the water pump is provided with a filtering structure, the filtering structure comprises a connecting seat, the outlet end of the main water outlet channel of the connecting seat is hermetically connected with the inlet end of the water pump, the connecting seat is hermetically connected with an inner filtering cover, an outer filtering cover and a separation cover, the inner filtering cover and the connecting seat enclose an inner water outlet cavity, the separation cover is sleeved on the inner filtering cover, the separation cover, the inner filtering cover and the connecting seat enclose a water inlet cavity, the separation cover, the outer filtering cover and the connecting seat enclose a water outlet cavity, the connecting seat is internally provided with an inner water outlet channel for communicating the inner water outlet cavity with the main water outlet channel, a water outlet channel for communicating the water outlet cavity with the main water outlet channel, and a water inlet channel for communicating the water inlet cavity with the outside of the connecting seat, the water inlet channel is opened when the water outlet channel is closed. In the process of outputting the sand from the discharge port, water is horizontally sprayed out from the water spray nozzles, and the water sprayed out from the water spray nozzles forms a water curtain on the periphery of the fallen sand, so that the effect of reducing the raised dust (namely preventing the raised dust from diffusing) is achieved. The second object of the invention is achieved. When the water filter is used, the water inlet channel is closed after the outer filter cover is blocked, the water inlet channel is opened after the outer filter cover is blocked, the water is filtered through the inner filter cover, and the outer filter cover can be cleaned at the moment. Can dredge the jam without stopping the machine, the spare inner filter cover is integrated with the outer filter cover, the structure is compact, and the occupied space is small.
Preferably, the outer water outlet channel is provided with an outer water outlet channel part straight line section and an outer water outlet channel part inlet section which are connected together by broken lines, the water inlet channel is provided with a water inlet channel part straight line section and a water inlet channel part outlet section which are connected together by broken lines, the outer water outlet channel part straight line section and the water inlet channel part straight line section are positioned on the same straight line and are communicated to form a straight line channel, and a movable plug for sealing the water inlet channel part outlet section is supported in the straight line channel through a pressure limiting spring; the outer filter cover is blocked, the pressure difference generated when the water pump is started can drive the movable plug to overcome the elasticity of the pressure limiting spring and move to the outlet section of the water outlet channel part in a closed mode, and the outlet section of the water inlet channel part is opened when the movable plug closes the inlet section of the water outlet channel part. The alternate opening of the water inlet flow channel and the water outlet flow channel is realized.
Preferably, the connecting seat is provided with a backwater main flow channel, the backwater main flow channel is provided with a backwater main port, the backwater main port is communicated with an outlet of the water pump through a backwater pipe, and the backwater main flow channel is provided with an inner water outlet cavity backwater branch flow channel communicated with the inner water outlet cavity and an outer water outlet cavity backwater branch flow channel communicated with the outer water outlet cavity; the inner water outlet cavity water return branch channel part sliding hole is internally connected with an inner water outlet cavity water return branch channel part plug and an inner water outlet cavity water return branch channel part outward pushing spring in a sealing and sliding manner, the inner water outlet cavity water return branch channel part plug is provided with an inner water outlet cavity water return branch channel part communicating hole, the inner water outlet cavity water return branch channel part sliding hole is communicated with the linear channel, and the inner water outlet cavity water return branch channel part spring is used for driving the inner water outlet cavity water return branch channel part plug to extend into the linear channel so that the inner water outlet cavity water return branch channel part communicating hole communicates the parts, located on two sides of the inner water outlet cavity water return branch channel part plug, of the inner water outlet cavity water return branch channel part; an outer water cavity backwater branch flow channel part sliding hole is formed in the outer water cavity backwater branch flow channel part sliding hole, an outer water cavity backwater branch flow channel part plug and an outer water cavity backwater branch flow channel part outward pushing spring are connected in a sealing sliding mode in the outer water cavity backwater branch flow channel part sliding hole, the outer water cavity backwater branch flow channel part plug is provided with an outer water cavity backwater branch flow channel part communicating hole, the outer water cavity backwater branch flow channel part sliding hole is communicated with the linear channel, and the outer water cavity backwater branch flow channel part spring is used for driving the outer water cavity backwater branch flow channel part plug to extend into the linear channel so that the outer water cavity backwater branch flow channel part communicating hole enables the outer water cavity backwater branch flow channel part to be communicated with the portions, located on two sides of the outer water cavity backwater branch flow channel part plug, of the outer water cavity backwater branch flow channel part; the movable plug is connected with a driving block; when the movable plug seals the outlet section of the water inlet channel part, the movable plug presses the water outlet cavity backwater branch flow channel part plug, the water outlet cavity backwater branch flow channel part plug shrinks into the water outlet cavity backwater branch flow channel part sliding hole, the water outlet cavity backwater branch flow channel is closed, the driving block is staggered with the inner water outlet cavity backwater branch flow channel part plug, and the inner water outlet cavity backwater branch flow channel part communicating hole is communicated with parts of the inner water outlet cavity backwater branch flow channel, which are positioned on two sides of the inner water outlet cavity backwater branch flow channel part plug; when the movable plug seals the inlet section of the water outlet channel part, the driving block presses the inner water outlet cavity water return branch channel part plug, the inner water outlet cavity water return branch channel part plug is contracted into the inner water outlet cavity water return branch channel part sliding hole, the inner water outlet cavity water return branch channel is closed, the movable plug is staggered with the outer water outlet cavity water return branch channel part plug, and the outer water outlet cavity water return branch channel part communication hole is communicated with the parts of the outer water outlet cavity water return branch channel part on two sides of the outer water outlet cavity water return branch channel part plug; the outlet section of the water inlet channel part and the inlet section of the water outlet channel part are positioned on two side walls of the linear channel, and the movable plug is provided with a movable plug part communicating channel; when the movable plug closes the outlet section of the water inlet channel part, the movable plug part is communicated with the parts of the two water inlet channels of the channel, which are positioned at the two ends of the movable plug; a one-way valve which is opened towards the outside of the connecting seat is arranged in the communicating channel of the movable plug part. This technical scheme, can stop filterable one in the two of interior filter mantle and outer filter mantle to carry out the backwash and dredge through the water after the filtration of water pump output, the outside of outer filter mantle can be exported to the debris that produce when interior filter mantle dredges, and the debris that wash when preventing interior worry cover to filter are gathered fast again and are produced the jam and influence the mediation effect including on the filter mantle.
Preferably, a water return valve is arranged on the water return pipe. Can make the water selectivity of water pump output flow back and carry out the backwash mediation to the filter mantle as required.
Preferably, the outer filter cover is cylindrical, the filter holes in the outer filter cover are only formed in the peripheral wall of the outer filter cover, an outer filter cover portion outer gear ring is sleeved on the outer filter cover and connected with an outer filter cover portion scraping blade which scrapes the outer peripheral surface of the outer filter cover and extends along the axial direction of the outer filter cover to remove impurities, a plurality of water inlet flow channel portion blades driven by water flowing through the water inlet flow channel are arranged in the water inlet flow channel and connected to a water inlet flow channel portion rotating shaft, and the water inlet flow channel portion rotating shaft drives the outer filter cover portion outer gear ring to rotate through an outer driving structure. When the outer filter cover stops filtering and the inner filter cover filters, the water flow entering the outer filter cover part drives the scraper of the outer filter cover part to clean the outer filter cover.
Preferably, the external driving structure comprises an intermediate gear meshed with an external gear ring of the external filtering cover part, a wheel shaft with one end connected with the intermediate gear, a driven first bevel gear connected to the other end of the wheel shaft and a driving first bevel gear meshed with the driven first bevel gear, the wheel shaft is rotatably connected to a connecting bearing on the connecting seat, and the driving first bevel gear is connected with a rotating shaft of the water inlet flow passage part.
Preferably, an outer filter cover part rotating ring is sleeved on the outer filter cover, the outer filter cover part outer gear ring and the outer filter cover part rotating ring are located at two axial ends of the outer filter cover, and two ends of the outer filter cover part scraper are fixedly connected to the outer filter cover part outer gear ring and the outer filter cover part rotating ring respectively. The cleaning effect can be prevented from being influenced by the fact that the outer filter cover part scraper is far away from the surface of the outer filter cover.
Preferably, the inner filter cover is cylindrical, the filter holes on the inner filter cover are only arranged on the peripheral wall of the inner filter cover, an inner rotating shaft penetrates through the inner filter cover, one end of the inner rotating shaft penetrates through the end wall of the inner filter cover and is connected with the end wall of the inner filter cover in a sealing and rotating manner, the inner rotating shaft is coaxial with the inner filter cover, a driving arm positioned outside the inner filter cover is arranged on the inner rotating shaft, the driving arm is connected with an inner filter cover part scraping blade which extends along the axial direction of the inner filter cover and scrapes the outer peripheral surface of the inner filter cover to remove sundries, a plurality of water outlet runner part blades driven by water flow flowing through the outer water outlet runner are arranged in the outer water outlet runner, the water outlet runner part blades are connected to a rotating shaft of the water outlet runner part, a driving second bevel gear is arranged on the rotating shaft of the water outlet runner part, and a driven second bevel gear meshed with the driving second bevel gear is arranged on the inner rotating shaft. When the inner filter cover stops filtering and the outer filter cover filters, the water flow output by the outer filter cover drives the inner filter cover part scraping blade to clean the inner filter cover.
Preferably, the inner filter cover part is sleeved with an inner filter cover part rotating ring, the driving arm and the inner filter cover part rotating ring are located at two axial ends of the outer filter cover, and two ends of the inner filter cover part scraping blade are fixedly connected to the driving arm and the inner filter cover part rotating ring respectively. The cleaning effect can be prevented from being influenced by the fact that the scraper of the inner filter cover part is far away from the surface of the outer filter cover part.
Compared with the prior art have influence beneficial effect: the water is sprayed to form a water curtain at the periphery of the output sand, so that the dust removal effect can be achieved, and the raised dust is reduced; when the water pump is in consideration of the blockage of the net, the water pump does not need to be stopped for dredging, and the result layout of the filtering structure is compact; can select the stone of big particle diameter and smash the back and carry out the system sand for rolling a section of thick bamboo again, realized smashing the system sand with the stone and integrated together, the cost when having reduced big stone and making sand.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view of FIG. 1 at D;
FIG. 3 is a schematic view of a second embodiment of the present invention;
FIG. 4 is a schematic view of a water pump;
fig. 5 is a partially enlarged view of fig. 4 at B.
In the figure: the water pump 1, the shell 2, the rolling barrel 3, the rolling gap 4, the discharge port 5, the feed inlet 6, the water spray nozzle 7, the outlet end 8 of the water pump, the annular water distribution cavity 9, the inlet end 13 of the water pump, the main water outlet channel 14, the connecting seat 97, the inner filter cover 15, the outer filter cover 16, the isolation cover 17, the inner water outlet cavity 18, the water inlet cavity 19, the outer water outlet cavity 20, the straight line segment 21 of the outer water outlet channel part, the inlet segment 22 of the outer water outlet channel part, the straight line segment 23 of the water inlet channel part, the outlet segment 24 of the water inlet channel part, the direct connecting channel 25, the pressure limiting spring 26, the movable plug 27, the water return pipe 28, the return water branch flow channel 29 of the inner water outlet cavity, the return water branch flow channel 30 of the outer water outlet cavity, the return water branch flow channel part 31 of the inner water outlet cavity, the outward push spring 32 of the return water branch flow channel part, the return water outlet cavity, the communication hole 33, the return water branch flow channel part 34 of the outer push return water outlet cavity return flow channel part spring 35, the return water branch flow channel part spring 35, the return water outlet cavity return water, An outlet water cavity backwater branch flow passage part communicating hole 36, a driving block 37, a movable head blocking part communicating channel 38, a one-way valve 39, a backwater valve 40, an outer filtering cover part outer gear ring 41, an outer filtering cover part scraping blade 42, a water inlet flow passage part blade 43, a water inlet flow passage part rotating shaft 44, an intermediate gear 45, a wheel shaft 46, a driven first bevel gear 47, a driving first bevel gear 48, a connecting bearing 49, an outer filtering cover part rotating ring 50, an inner rotating shaft 51, a driving arm 52, an inner filtering cover part scraping blade 53, a water outlet flow passage part blade 54, a water outlet flow passage part rotating shaft 55, an inner filtering cover part rotating ring 56, an inner water outlet passage 57, a driving second bevel gear 59, a driven bevel gear 60, a sieve 74, an extrusion crushing head 75, a hydraulic oil cylinder 76, a sliding groove 77, a displacement sensor 78, a sliding seat 79, an extrusion head 80, liquid 81, a pressure sensor 82, a piston rods 83 of the hydraulic oil cylinder, a sieve cleaning scraping strip 84, a second bevel gear 74, a second bevel gear, a third bevel gear, a fourth bevel gear, a fifth gear, a fourth bevel gear, a fifth gear, a fourth bevel gear, a fifth gear, a fourth bevel gear, a fifth gear, a, A sieve avoiding hole 85, an electromagnet 86, a roller 87, a crushing tooth 88 and a sieve hole 89.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
First embodiment, referring to fig. 1 and 2, a pair roller sand making machine of a type of clashing coarse materials comprises a machine frame, a water pump 1 and a shell 2 of a sealing structure. The frame is provided with two crushing barrels and a driving structure for driving the crushing barrels to rotate. The crushing cylinder comprises a milling cylinder 3 and a main shaft. The crushing barrel is connected with the frame through a main shaft, and a rolling gap 4 is formed between the two rolling barrels. Two cylinders that roll are located the shell, and the shell is equipped with discharge gate 5 and feed inlet 6. The discharge gate is located the below of rolling a section of thick bamboo and falls out in order to supply the husky of rolling a section of thick bamboo roll extrusion, the feed inlet is located the top of rolling a section of thick bamboo and inputs between two rolling sections with the stone that supplies to wait to roll.
The feed inlet is provided with a sieve 74, two opposite side walls of the feed inlet are respectively provided with an extrusion head sliding hole, an extrusion crushing head 75 is connected in the extrusion head sliding holes in a sliding manner and is positioned above the sieve, the extrusion crushing heads are connected with a hydraulic oil cylinder 76, and the hydraulic oil cylinder is connected with a hydraulic station; when the two squeezing and crushing heads are folded to the limit position, the gap between the two squeezing and crushing heads is smaller than the particle size of the stone with the largest particle size which can be crushed by the crushing barrel. The two extrusion head sliding holes are communicated through two sliding grooves 77 which are correspondingly positioned on two opposite side walls of the feeding hole one by one, and the extrusion crushing heads are slidably connected in the sliding grooves in the closing process of the extrusion crushing heads. The invention also comprises a displacement sensor 78 for detecting the sliding speed of the extrusion crushing head in the sliding hole of the extrusion head, the oil pressure output to the hydraulic oil cylinder by the hydraulic station can be adjusted, the extrusion crushing head is provided with a sliding seat 79 and an extrusion head 80 which is hermetically penetrated in the sliding seat, the extrusion head and the sliding seat enclose a sealed liquid storage cavity, the sealed liquid storage cavity is filled with liquid 81, and a pressure sensor 82 for detecting the pressure in the sealed liquid storage cavity is arranged in the sealed liquid storage cavity. The hydraulic station outputs hydraulic oil to the hydraulic oil cylinder in the process of folding the extrusion crushing head, and the hydraulic oil cylinder drives the extrusion crushing head to move towards the feeding hole; when the speed sensor detects that the speed of the extrusion crushing head is smaller than a first set value and the pressure detected by the pressure sensor is continuously increased, the pressure of the hydraulic oil output by the hydraulic station is continuously increased; when the speed sensor detects that the speed of the extrusion crushing head is higher than a second set value, the pressure of hydraulic oil output by the hydraulic station stops rising, and the first set value is smaller than the second set value. The speed sensor detects the moving speed of the piston rod 83 of the hydraulic cylinder to obtain the moving speed of the crushing head. The screen is a flat screen, the extrusion crushing head is provided with a screen cleaning scraping strip 84 attached to the upper surface of the screen and used for scraping the screen, and the extending direction of the screen cleaning scraping strip is perpendicular to the distribution direction of the extrusion crushing head. The side wall of the feed port, which is provided with the extrusion head sliding hole, is provided with a sieve avoiding hole 85, two ends of the sieve penetrate through the sieve avoiding holes on the two side walls of the feed port, the sieve is made of a body magnet, and the extrusion crushing head is provided with an electromagnet 86 for adsorbing the sieve; in the moving process of the extrusion crushing heads, the electromagnet on one extrusion crushing head is electrified to adsorb the sieve at the same time. The time when the electromagnets on the two crushing heads are alternately energized is the time when the two crushing heads are separated to the extreme positions. Two rollers 87 are also arranged in the housing, the rollers are abutted against the lower surface of the screen, and the two rollers are distributed at two ends of the screen along the moving direction of the two extrusion crushing heads. The distance between the roller and the midpoint between the two extrusion crushing heads is smaller than the distance between the screen cleaning scraping strip and the midpoint between the two extrusion crushing heads. The crushing teeth 88 are provided on the extrusion section of the extrusion crushing head.
During the use, hydraulic pressure station carries hydraulic oil to hydraulic cylinder for hydraulic cylinder deciliter to the stone that will be detained the particle size on the sieve and be greater than the requirement is crushed, and the stone that accords with the requirement falls from sieve mesh 89 and is rolled and rolled into sand together. In the process of extrusion crushing and moving, the driving sieve also moves so as to improve the effect of the sieve.
The second embodiment is different from the first embodiment in that:
referring to fig. 3 to 5, the discharge hole is provided with an annular water distribution cavity 9 extending along the circumferential direction of the discharge hole, and the annular water distribution cavity 9 is provided with a plurality of water nozzles 7 distributed along the circumferential direction of the discharge hole. The water nozzle is connected with the outlet end 8 of the water pump.
The outlet end of the water pump is communicated with the annular water distribution cavity through a pipeline, and the annular water distribution cavity is provided with a plurality of water outlet holes 10. The water nozzles are connected in the water outlet holes in a one-to-one correspondence manner. The water nozzle is provided with a spherical connector 11, and the water nozzle is hinged in the water outlet hole through the spherical surface of the spherical connector. The surface of the spherical pit matched with the spherical connector of the annular water distribution cavity is provided with a rubber layer 12, the spherical connector is connected to the rubber layer in a tight fit manner, and the spherical connector is connected with the water outlet hole in a sealing manner through the rubber layer.
When the dust removing device is used, the inlet end of the water pump is communicated with a water source, water at the water source is conveyed to the annular water distribution cavity by the water pump and then is sprayed out of the water spray nozzle to form a water curtain on the periphery of sand falling out of the discharge hole, and the dust removing effect is achieved. The water discharging nozzle can be manually rotated by taking the spherical connector as a fulcrum to change the water discharging direction, and the dropped sand is ensured to be positioned in an interval surrounded by water curtains formed by the sprayed water.
Further, the inlet end 13 of the water pump is provided with a filter structure. The filter structure includes a connection socket 97. The connecting base is provided with a main water outlet channel 14. The outlet end of the water outlet main channel is connected with the inlet end of the water pump in a sealing way, the connecting seat is connected with an inner filter cover 15, an outer filter cover 16 and a separation cover 17 in a sealing way, the inner filter cover and the connecting seat enclose an inner water outlet cavity 18, the separation cover is sleeved on the inner filter cover, the separation cover, the inner filter cover and the connecting seat enclose a water inlet cavity 19, the outer filter cover is sleeved on the separation cover, the outer filter cover and the connecting seat enclose an outer water outlet cavity 20, an inner water outlet channel 57 for communicating the inner water outlet cavity with the water outlet main channel, an outer water outlet channel for communicating the outer water outlet cavity with the water outlet main channel and a water inlet channel for communicating the water inlet cavity with the outside of the connecting seat are arranged in the connecting seat, and the water inlet channel is opened when the outer water outlet channel is closed. Go out the water channel and be equipped with outlet water channel portion straightway 21 and outlet water channel portion induction zone 22 that the broken line linked together, inlet water channel is equipped with inlet water channel portion straightway 23 and inlet water channel portion export section 24 that the broken line linked together, and outlet water channel portion straightway and inlet water channel portion straightway are located a straight line, and outlet water channel portion straightway and inlet water channel portion straightway form straight line channel through directly connecting channel 25 intercommunication. A movable plug 27 for closing the outlet section of the water inlet channel part is supported in the linear channel through a pressure limiting spring 26. The outer filter cover is blocked, the pressure difference generated when the water pump is started can drive the movable plug to overcome the elasticity of the pressure limiting spring and move to the outlet section of the water outlet channel part in a closed mode, and the outlet section of the water inlet channel part is opened when the inlet section of the water outlet channel part is closed by the movable water inlet plug. When the filter cover is blocked to a set degree, the outer water flow channel is closed, the water inlet flow channel is opened, water automatically enters the water inlet cavity and is filtered through the inner filter cover, and the standby inner filter cover can be automatically started to filter when the outer filter cover is blocked.
The connecting seat is provided with a backwater main flow passage, the backwater main flow passage is provided with a backwater main port, the backwater main port is communicated with the outlet end of the water pump through a backwater pipe 28, and the backwater main flow passage is provided with an inner water outlet cavity backwater branch flow passage 29 communicated with the inner water outlet cavity and an outer water outlet cavity backwater branch flow passage 30 communicated with the outer water outlet cavity; an inner water outlet cavity water return branch flow channel part sliding hole is formed in the inner water outlet cavity water return branch flow channel part sliding hole, an inner water outlet cavity water return branch flow channel part plug 31 and an inner water outlet cavity water return branch flow channel part outer pushing spring 32 are connected in a sealing sliding mode in the inner water outlet cavity water return branch flow channel part sliding hole, an inner water outlet cavity water return branch flow channel part communicating hole 33 is formed in the inner water outlet cavity water return branch flow channel part plug, the inner water outlet cavity water return branch flow channel part sliding hole is communicated with a straight line channel, and the inner water outlet cavity water return branch flow channel part spring is used for driving the inner water outlet cavity water return branch flow channel part plug to extend into the straight line channel so that the inner water outlet cavity water return branch flow channel part communicating hole communicates the portions, located on the two sides of the inner water outlet cavity water return branch flow channel part plug, of the inner water outlet cavity water return branch flow channel; an outer water cavity backwater branch flow channel part sliding hole is formed in the outer water cavity backwater branch flow channel part sliding hole, an outer water cavity backwater branch flow channel part plug 34 and an outer water cavity backwater branch flow channel part outward pushing spring 35 are connected in a sealing and sliding mode in the outer water cavity backwater branch flow channel part sliding hole, an outer water cavity backwater branch flow channel part communicating hole 36 is formed in the outer water cavity backwater branch flow channel part plug, the outer water cavity backwater branch flow channel part sliding hole is communicated with a linear channel, and the outer water cavity backwater branch flow channel part spring is used for driving the outer water cavity backwater branch flow channel part plug to extend into the linear channel so that the outer water cavity backwater branch flow channel part communicating hole enables the outer water cavity backwater branch flow channel part to be communicated with parts, located on two sides of the outer water cavity backwater branch flow channel part plug, of the outer water cavity backwater branch flow channel part; the movable plug is connected with a driving block 37; when the movable plug seals the outlet section of the water inlet channel part, the movable plug presses the water outlet cavity return branch channel part plug, the water outlet cavity return branch channel part plug shrinks into the sliding hole of the water outlet cavity return branch channel part, the water outlet cavity return branch channel is closed, the driving block is staggered with the inner water outlet cavity return branch channel part plug, the inner water outlet cavity return branch channel part communicating hole communicates with the parts of the inner water outlet cavity return branch channel positioned at two sides of the inner water outlet cavity return branch channel part plug, and water output by the water pump flows back into the water inlet cavity and then back washes and dredges the inner filter cover.
When the movable plug seals the inlet section of the water outlet channel part, the driving block presses the inner water outlet cavity water return branch channel part plug, the inner water outlet cavity water return branch channel part plug is contracted into the inner water outlet cavity water return branch channel part sliding hole, the inner water outlet cavity water return branch channel is closed, the movable plug is staggered with the outer water outlet cavity water return branch channel part plug, the outer water outlet cavity water return branch channel part communication hole is communicated with the portions, located on two sides of the outer water outlet cavity water return branch channel part plug, of the water outlet cavity water return branch channel part, and water output by the water pump flows back into the outer water outlet cavity to backwash and dredge the outer filter cover.
The outlet section of the water inlet channel part and the inlet section of the water outlet channel part are positioned on two side walls of the straight line channel, and the movable plug is provided with a movable plug part communicating channel 38; when the movable plug closes the outlet section of the water inlet channel part, the movable plug part is communicated with the parts of the two water inlet channels of the channel, which are positioned at the two ends of the movable plug; a one-way valve 39 which is opened towards the outside of the connecting seat is arranged in the communicating channel of the movable plug part. The structure enables sewage to be discharged when the inner filter cover is backwashed.
A water return valve 40 is arranged on the water return pipe.
The outer filter mantle is cylindrical, the filtration pore on the outer filter mantle only sets up on the perisporium of outer filter mantle, the cover is equipped with outer cover portion outer ring gear 41 on the outer filter mantle, outer cover portion outer ring gear is connected with and scrapes and remove outer filter mantle portion doctor-bar 42 of debris along the outer filter mantle outer peripheral face of outer filter mantle axial extension, be equipped with a plurality of inlet flow channel portion blades 43 through the rivers driven that flow through the inlet flow channel in the inlet flow channel, inlet flow channel portion blade is connected on inlet flow channel portion pivot 44, inlet flow channel portion pivot is through the rotation of outer cover portion outer ring gear of outer drive structure drive. The outer driving structure comprises an intermediate gear 45 meshed with an outer gear ring of the outer filtering cover part, a wheel shaft 46 with one end connected with the intermediate gear, a driven first bevel gear 47 connected to the other end of the wheel shaft and a driving first bevel gear 48 meshed with the driven first bevel gear, the wheel shaft is rotatably connected to a connecting bearing 49 on the connecting seat, and the driving first bevel gear is connected with a rotating shaft of the water inlet flow passage part. An outer filter cover part rotating ring 50 is sleeved on the outer filter cover part, an outer filter cover part outer gear ring and the outer filter cover part rotating ring are located at the two axial ends of the outer filter cover part, and the two ends of the outer filter cover part scraping blade are fixedly connected to the outer filter cover part outer gear ring and the outer filter cover part rotating ring respectively. The water inlet channel is opened to feed water (namely when the water is filtered by the inner filter cover), the water flow entering the water inlet cavity drives the blades of the water inlet flow channel part to rotate, so that the blades of the outer filter cover part are driven by the relevant mechanisms to move circumferentially on the outer peripheral surface of the outer filter cover, and the outer filter cover is cleaned.
The inner filter cover is cylindrical, filter holes in the inner filter cover are only formed in the peripheral wall of the inner filter cover, an inner rotating shaft 51 penetrates through the inner filter cover, one end of the inner rotating shaft penetrates through the end wall of the inner filter cover and is connected with the end wall of the inner filter cover in a sealing and rotating mode, the inner rotating shaft is coaxial with the inner filter cover, a driving arm 52 located outside the inner filter cover is arranged on the inner rotating shaft, an inner filter cover portion scraping blade 53 which extends along the axial direction of the inner filter cover and scrapes the outer peripheral surface of the inner filter cover to remove impurities is connected onto the driving arm, a plurality of water outlet flow channel portion blades 54 driven by water flowing through an outer water outlet flow channel are arranged in the water outlet flow channel, and the water outlet flow channel portion blades are connected onto a water outlet flow channel portion rotating shaft 55. An inner filter cover part rotating ring 56 is sleeved on the inner filter cover, the driving arm and the inner filter cover part rotating ring are positioned at the two axial ends of the outer filter cover, and the two ends of the inner filter cover part scraping blade are respectively and fixedly connected on the driving arm and the inner filter cover part rotating ring. A driving second bevel gear 59 is arranged on the rotating shaft of the water outlet flow passage part, and a driven second bevel gear 60 meshed with the driving second bevel gear is arranged on the inner rotating shaft. When the water is filtered by the outer filter cover, the water flow flowing out of the outer water outlet cavity drives the blades of the water outlet flow channel part to rotate, so that the blades of the inner filter cover part are driven by the relevant mechanisms to move circumferentially on the outer peripheral surface of the inner filter cover part, and the inner filter cover is cleaned.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a collide and remove thick material formula pair roller system husky machine, includes the frame, the frame is provided with two crushing barrel and drive crushing barrel pivoted drive structure, crushing barrel is including rolling a section of thick bamboo and main shaft, crushing barrel passes through the main shaft with the frame links together, forms between two rolling barrels and rolls the clearance, its characterized in that still includes seal structure's shell, two rolling barrel is located in the shell, the shell is equipped with discharge gate and feed inlet, the discharge gate is located the below of rolling barrel and falls out for the sand that rolling barrel rolled out, the feed inlet is located the top of rolling barrel and inputs between two rolling barrels for the stone that treats rolling, the feed inlet is equipped with the sieve, respectively is equipped with an extrusion head slide opening on two relative lateral walls of feed inlet, sliding connection has extrusion crushing head in the extrusion head slide opening, and extrusion crushing head is located the top of sieve, the extrusion crushing head is connected with a hydraulic oil cylinder, and the hydraulic oil cylinder is connected with a hydraulic station; when the two crushing heads are folded to the limit position, the gap between the two crushing heads is below the particle size of the stone block with the maximum particle size which can be crushed by the crushing cylinder.
2. The clash-removing type pair-roller sand making machine according to claim 1, further comprising a displacement sensor for detecting the sliding speed of the extrusion crushing head in a sliding hole of the extrusion head, wherein the oil pressure output by the hydraulic station to the hydraulic oil cylinder can be adjusted, the extrusion crushing head is provided with a sliding seat and an extrusion head which is hermetically penetrated in the sliding seat, the extrusion head and the sliding seat enclose a sealed liquid storage cavity, the sealed liquid storage cavity is filled with liquid, and a pressure sensor for detecting the pressure in the sealed liquid storage cavity is arranged in the sealed liquid storage cavity;
the hydraulic station outputs hydraulic oil to the hydraulic oil cylinder in the process of folding the extrusion crushing head, and the hydraulic oil cylinder drives the extrusion crushing head to move towards the feeding hole; when the displacement sensor detects that the speed of extruding the crushing head is smaller than a first set value and the pressure detected by the pressure sensor is continuously increased, the pressure of the hydraulic oil output by the hydraulic station is continuously increased; when the displacement sensor detects that the speed of extruding the crushing head is higher than a second set value, the pressure of hydraulic oil output by the hydraulic station stops rising, and the first set value is smaller than the second set value.
3. The colliding coarse material removal type pair roller sand making machine according to claim 1 or 2, wherein the screen is a flat screen, the extrusion crushing head is provided with a screen cleaning scraping strip attached to the upper surface of the screen and used for scraping the screen, and the extending direction of the screen cleaning scraping strip is perpendicular to the distribution direction of the extrusion crushing head.
4. The clash coarse material removal type pair roller sand making machine according to claim 3, wherein a sieve avoiding hole is formed in the side wall of the feeding hole, which is provided with the extrusion head sliding hole, two ends of a sieve penetrate through the sieve avoiding holes in the two side walls of the feeding hole, the sieve is made of a body magnet, and the extrusion crushing head is provided with an electromagnet for adsorbing the sieve; in the process of moving the extrusion crushing heads, only one electromagnet on one extrusion crushing head is electrified to adsorb the sieve at the same time;
the time when the electromagnets on the two crushing heads are alternately energized is located at the time when the two crushing heads are separated to the extreme positions.
5. The clash-removing coarse material type pair roller sand making machine according to claim 4, wherein two rollers are further arranged in the shell, the rollers abut against the lower surface of the screen, and the two rollers are distributed at two ends of the screen along the moving direction of the two extrusion crushing heads.
6. The colliding coarse material removing type pair roller sand making machine according to claim 1 or 2, wherein a plurality of water nozzles are arranged on the periphery of the discharge port and distributed along the circumferential direction of the discharge port, the water nozzles are connected with the outlet end of a water pump, the inlet end of the water pump is provided with a filtering structure, the filtering structure comprises a connecting seat, the outlet end of the connecting seat, which is provided with a water outlet main channel, is connected with the inlet end of the water pump in a sealing manner, an inner filtering cover, an outer filtering cover and a separating cover are connected on the connecting seat in a sealing manner, the inner filtering cover and the connecting seat enclose an inner water outlet cavity, the separating cover is sleeved on the inner filtering cover, the separating cover, the inner filtering cover and the connecting seat enclose an water inlet cavity, the outer filtering cover is sleeved on the separating cover, the outer filtering cover and the connecting seat enclose an outer water outlet cavity, and an inner water outlet channel for communicating the inner water outlet cavity with the water outlet main channel is arranged in the connecting seat, The water outlet channel is communicated with the water outlet main channel, the water inlet channel is communicated with the water inlet cavity and the outside of the connecting seat, and the water inlet channel is opened when the water outlet channel is closed.
7. The clash-removing coarse material type pair-roller sand making machine according to claim 6, wherein the outer water outlet channel is provided with an outer water outlet channel part straight-line segment and an outer water outlet channel part inlet segment which are connected together in a broken line manner, the water inlet channel is provided with a water inlet channel part straight-line segment and a water inlet channel part outlet segment which are connected together in a broken line manner, the outer water outlet channel part straight-line segment and the water inlet channel part straight-line segment are positioned on the same straight line, the outer water outlet channel part straight-line segment and the water inlet channel part straight-line segment are communicated through a direct connecting channel to form a straight channel, and a movable plug for sealing the water inlet channel part outlet segment is supported in the straight channel through a pressure limiting spring; the outer filter cover is blocked, the pressure difference generated when the water pump is started can drive the movable plug to overcome the elasticity of the pressure limiting spring and move to the outlet section of the water outlet channel part in a closed mode, and the outlet section of the water inlet channel part is opened when the movable plug closes the inlet section of the water outlet channel part.
8. The colliding coarse fodder type pair roller sand making machine according to claim 7, wherein the connecting seat is provided with a return water main flow passage, the return water main flow passage is provided with a return water main port, the return water main port is communicated with an outlet of the water pump through a return water pipe, the return water main flow passage is provided with an inner water outlet cavity return water branch flow passage communicated with the inner water outlet cavity and an outer water outlet cavity return water branch flow passage communicated with the outer water outlet cavity; the inner water outlet cavity water return branch channel part sliding hole is internally connected with an inner water outlet cavity water return branch channel part plug and an inner water outlet cavity water return branch channel part outward pushing spring in a sealing and sliding manner, the inner water outlet cavity water return branch channel part plug is provided with an inner water outlet cavity water return branch channel part communicating hole, the inner water outlet cavity water return branch channel part sliding hole is communicated with the linear channel, and the inner water outlet cavity water return branch channel part spring is used for driving the inner water outlet cavity water return branch channel part plug to extend into the linear channel so that the inner water outlet cavity water return branch channel part communicating hole communicates the parts, located on two sides of the inner water outlet cavity water return branch channel part plug, of the inner water outlet cavity water return branch channel part; an outlet water cavity backwater branch flow channel part sliding hole is formed in the outlet water cavity backwater branch flow channel, an outlet water cavity backwater branch flow channel part plug and an outlet water cavity backwater branch flow channel part outward pushing spring are connected in a sealing sliding mode in the outlet water cavity backwater branch flow channel part sliding hole, an outlet water cavity backwater branch flow channel part communicating hole is formed in the outlet water cavity backwater branch flow channel part plug, the outlet water cavity backwater branch flow channel part sliding hole is communicated with the linear channel, and the outlet water cavity backwater branch flow channel part spring is used for driving the outlet water cavity backwater branch flow channel part plug to extend into the linear channel so that the outlet water cavity backwater branch flow channel part communicating hole communicates the outlet water cavity backwater branch flow channel part located on the two sides of the outlet water cavity backwater branch flow channel part plug; the movable plug is connected with a driving block; when the movable plug seals the outlet section of the water inlet channel part, the movable plug presses the water outlet cavity backwater branch flow channel part plug, the water outlet cavity backwater branch flow channel part plug is contracted into a slide hole of the water outlet cavity backwater branch flow channel part, the water outlet cavity backwater branch flow channel is closed, the driving block is staggered with the inner water outlet cavity backwater branch flow channel part plug, and the inner water outlet cavity backwater branch flow channel part communication hole is communicated with parts of the inner water outlet cavity backwater branch flow channel, which are positioned at two sides of the inner water outlet cavity backwater branch flow channel part plug; when the movable plug seals the inlet section of the water outlet channel part, the driving block presses the inner water outlet cavity water return branch channel part plug, the inner water outlet cavity water return branch channel part plug is contracted into the inner water outlet cavity water return branch channel part sliding hole, the inner water outlet cavity water return branch channel is closed, the movable plug is staggered with the outer water outlet cavity water return branch channel part plug, and the outer water outlet cavity water return branch channel part communication hole is communicated with the parts of the outer water outlet cavity water return branch channel part on two sides of the outer water outlet cavity water return branch channel part plug; the outlet section of the water inlet channel part and the inlet section of the water outlet channel part are positioned on two side walls of the linear channel, and the movable plug is provided with a movable plug part communicating channel; when the movable plug closes the outlet section of the water inlet channel part, the movable plug part is communicated with the parts of the two water inlet channels of the channel, which are positioned at the two ends of the movable plug; a one-way valve which is opened towards the outside of the connecting seat is arranged in the communicating channel of the movable plug part.
9. The colliding coarse material removing type pair roller sand making machine as claimed in claim 6, wherein the outer filter cover is cylindrical, the filter holes of the outer filter cover are only arranged on the peripheral wall of the outer filter cover, an outer filter cover portion outer gear ring is sleeved on the outer filter cover, the outer filter cover portion outer gear ring is connected with an outer filter cover portion scraper which extends along the axial direction of the outer filter cover and scrapes the outer peripheral surface of the outer filter cover to remove impurities, a plurality of water inlet flow passage portion blades which are driven by water flow flowing through the water inlet flow passage are arranged in the water inlet flow passage, the water inlet flow passage portion blades are connected to a water inlet flow passage portion rotating shaft, and the water inlet flow passage portion rotating shaft drives the outer filter cover portion outer gear ring to rotate through an outer driving structure.
10. The colliding coarse material removing type pair roller sand making machine as claimed in claim 6, wherein the inner filtering cover is cylindrical, the filtering holes of the inner filtering cover are only arranged on the peripheral wall of the inner filtering cover, an inner rotating shaft is arranged in the inner filtering cover, one end of the inner rotating shaft is arranged on the end wall of the inner filtering cover in a penetrating way and is connected with the end wall of the inner filtering cover in a sealing and rotating way, the inner rotating shaft is coaxial with the inner filtering cover, a driving arm positioned outside the inner filtering cover is arranged on the inner rotating shaft, the driving arm is connected with an inner filtering cover part scraping blade which extends along the axial direction of the inner filtering cover and scrapes the outer peripheral surface of the inner filtering cover to remove impurities, a plurality of water outlet flow passage part blades driven by the water flow flowing through the outer water outlet flow passage are arranged in the outer water outlet flow passage part rotating shaft, and a driving second bevel gear is arranged on the water outlet flow passage part rotating shaft, the inner rotating shaft is provided with a driven second bevel gear meshed with the driving second bevel gear.
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| CN113275107A (en) * | 2020-11-12 | 2021-08-20 | 李念航 | Intelligent preparation device and method of fine aggregate for recycled concrete |
| CN113426515A (en) * | 2021-06-05 | 2021-09-24 | 浙江辰泰机械制造有限公司 | Double-roller sand making machine capable of changing positions and rolling stones |
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| CN115090393B (en) | 2023-12-15 |
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