CN115090393B - Butt-impact coarse material removing double-roller sand making machine - Google Patents
Butt-impact coarse material removing double-roller sand making machine Download PDFInfo
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- CN115090393B CN115090393B CN202210702544.7A CN202210702544A CN115090393B CN 115090393 B CN115090393 B CN 115090393B CN 202210702544 A CN202210702544 A CN 202210702544A CN 115090393 B CN115090393 B CN 115090393B
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- 239000004576 sand Substances 0.000 title claims abstract description 56
- 239000000463 material Substances 0.000 title claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 103
- 239000004575 stone Substances 0.000 claims abstract description 32
- 238000005096 rolling process Methods 0.000 claims abstract description 27
- 239000002245 particle Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 427
- 238000007790 scraping Methods 0.000 claims description 27
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 26
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 26
- 241001330002 Bambuseae Species 0.000 claims description 26
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 26
- 239000011425 bamboo Substances 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 22
- 238000001914 filtration Methods 0.000 claims description 21
- 239000010720 hydraulic oil Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 description 9
- 238000000926 separation method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000013213 extrapolation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
-
- 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
Abstract
The application relates to a clash coarse material removing 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 shell is provided with a discharge hole and a feed inlet, the discharge hole is positioned below the rolling cylinders for sand rolled by the rolling cylinders to fall out, the feed inlet is positioned above the rolling cylinders for stones to be rolled to be input between the two rolling cylinders, the feed inlet is provided with a sieve, two opposite side walls of the feed inlet are respectively provided with an extrusion head sliding hole, an extrusion crushing head is connected in the extrusion head sliding hole in a sliding manner, the extrusion crushing head is positioned above the sieve, the extrusion crushing head is connected with a hydraulic cylinder, and the hydraulic cylinder is connected with a hydraulic station; the gap between the two extrusion crushing heads which are closed to the limit position is smaller than the particle size of the stone with the maximum particle size which can be crushed by the crushing cylinder. The application has the advantages that the large stones can be crushed firstly and then sand is produced, and the problem of large dust generated during output of the existing sand producing machine is solved.
Description
Technical Field
The application relates to a sand making machine, in particular to a collision coarse material removing double-roller sand making machine.
Background
A sand maker is a mechanical device for pulverizing stones into sand or sand. The sand making machine has two structures, namely a hammer crusher and a twin-roll crusher (hereinafter referred to as twin-roll sand making machine), wherein the hammer crusher has more vulnerable parts, high energy consumption, more dust and uneven fineness. The double-roller sand making machine can avoid the defects of more dust and uneven fineness. In the patent document of China patent No. 2010202399225 and publication No. CN201791554U, named as a driving mechanism of a twin-roll sand making machine, a twin-roll sand making machine is disclosed, sand making by crushing stones is realized by rolling a pair of crushing drums (also called rollers), the initial crushing drum of the twin-roll sand making machine is realized by arranging a chain wheel at one end of the crushing drum, and then reducing the output of a motor by a speed reducer and then driving the chain wheel by a chain, so that the defects of poor efficiency, high abrasion, small bearing capacity, small shock resistance, large vibration and appearance volume and short continuous operation life exist; to this end the inventors devised an internally driven twin roll sander as disclosed in patent application No. 2016101635735. The existing sand making machines of the above type have the following defects: powder is generated in the sand making process, and dust generated during powder output is large; when sand is made by large stones, the stones are crushed into small-particle stones through the crusher, and then the small-particle stones are transferred to the belt sand making machine for sand making, so that the sand making in the mode needs to be transferred for the second time, and the generation cost is increased.
Disclosure of Invention
The application aims to provide a collision coarse material removal type double-roller sand making machine capable of crushing large stones and then making sand, and solves the problem of large dust generated when the existing sand making machine outputs.
The application aims to provide a clash coarse material removal type twin-roll sand making machine capable of spraying water on the periphery of sand to be output so as to reduce dust pollution, and the problem of large dust generated during output of the existing sand making machine is solved.
The technical problems are solved by the following technical scheme: the utility model provides a clash coarse fodder removing double-roller sand making machine, includes the frame, the frame is provided with two crushing section of thick bamboo and drives crushing section of thick bamboo pivoted drive structure, crushing section of thick bamboo includes crushing section of thick bamboo and main shaft, crushing section of thick bamboo passes through the main shaft with the frame links together, form the clearance of rolling between two crushing section of thick bamboo, characterized by also including seal structure's shell, two crushing section of thick bamboo are located in the shell, the shell is equipped with discharge gate and feed inlet, the discharge gate is located the below of rolling section of thick bamboo for the sand that the rolling section of thick bamboo extruded falls out, the feed inlet is located the top of rolling section of thick bamboo for the stone that waits to roll is input between two rolling section of thick bamboo, the feed inlet is equipped with the sieve, is equipped with an extrusion head slide hole on two lateral walls that the feed inlet is relative, the extrusion head slide downthehole is connected with extrusion crushing head, extrusion crushing head is located the top of sieve, extrusion crushing head links together with hydraulic cylinder, hydraulic cylinder links together with hydraulic station; when the two extrusion crushing heads are folded to the limit position, the gap between the two extrusion crushing heads is smaller than the particle size of the stone 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 and fall down from the sieve holes in conformity to be crushed. The two extrusion crushing heads are separated and combined, and stones blocked on the sieve are crushed, so that the stones can fall down. According to the technical scheme, the large stones are crushed into the small stones and then sand making is integrated, so that the requirements of a 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 positioned on two opposite side walls of the feeding hole in a one-to-one correspondence manner, and the extrusion crushing heads are slidably connected in the sliding grooves in the folding process of the extrusion crushing heads. The stability of the extrusion crushing head during movement can be improved.
The application further 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 arranged in the sliding seat in a penetrating way in a sealing way, 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 storage cavity is arranged in the sealed liquid storage cavity. The hydraulic station outputs hydraulic oil to the hydraulic oil cylinder in the folding process of the extrusion crushing head, and the hydraulic oil cylinder drives the extrusion crushing head to move towards the inside of 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 continuously rises, the pressure of hydraulic oil output by the hydraulic station continuously rises; when the speed sensor detects that the speed of the extrusion crushing head is above a second set value, the pressure of the 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, so that energy consumption can be reduced, and noise and generated dust during crushing of large stones can be reduced. The accuracy that this technical scheme or extrusion crushing head during operation accepted is good, does not receive hydraulic pressure station output pressure's interference, if detect the pressure of pneumatic cylinder and regard as extrusion crushing head's pressure, then the accuracy is poor.
Preferably, the speed sensor detects the moving speed of the piston rod of the hydraulic cylinder to obtain the moving speed of the extrusion 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 inlet, which is provided with the extrusion head sliding hole, is provided with a sieve avoiding hole, two ends of the sieve penetrate through the sieve avoiding holes on the two side walls of the feed inlet, 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 the extrusion crushing head is electrified to adsorb the sieve at the same time. The time when the electromagnets on the two extrusion crushing heads are electrified alternately is at the time when the two extrusion crushing heads are separated to the limit position. The screen can be driven to move through the extrusion crushing head, so that the efficiency of screening stones is improved.
Preferably, two rollers are further arranged in the shell and 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. Can jack-up the stone of card in the sieve mesh, then be removed under the effect of the clean scraping strip of sieve, the effect of mediation sieve is good.
Preferably, the distance of the drum from the midpoint between the two crushing heads is less than the distance of the screen cleaning wiper strip from the midpoint between the two crushing heads. According to the scheme, stones in the sieve holes are jacked up firstly, and then the stones are shifted by the sieve cleaning scraping bars to be pulled out. The reliability of dredging the sieve holes is good.
Preferably, crushing teeth are arranged on the extrusion section of the extrusion crushing head. The reliability in crushing large stones can be improved.
Preferably, the periphery of the discharge hole is provided with a plurality of water spray nozzles distributed along the circumferential direction of the discharge hole, the water spray 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 connecting seat, which is provided with a water outlet main channel, is connected with the inlet end of the water pump in a sealing way, the connecting seat is provided with an inner filter cover, an outer filter cover and a separation cover in a sealing way, the inner filter cover and the connecting seat enclose an inner water outlet cavity, the separation cover is sleeved on the inner filter cover, the separation cover, the inner filter cover and the connecting seat enclose an outer water outlet cavity, the separation cover, the outer filter cover and the connecting seat enclose an inner water outlet channel communicated with the inner water outlet cavity and the water outlet main channel, an outer water outlet channel communicated with the outer water outlet cavity and a water inlet channel communicated with the water outlet main channel are arranged in the connecting seat, the water inlet channel is opened when the water outlet channel is closed. In the process of outputting sand from the discharge hole, water is sprayed from the water spray nozzle through the horizontal direction, and the water sprayed from the water spray nozzle forms a water curtain at the periphery of the falling sand, so that the effect of reducing dust (namely preventing dust from diffusing) is achieved. The second object is achieved. When the filter is used, the filter is firstly carried out through the outer filter cover, the water inlet channel is closed, the water inlet channel is opened after the outer filter cover is blocked, the filter is carried out through the inner filter cover, and the outer filter cover can be cleaned at the moment. The novel filter has the advantages that the novel filter can be dredged and blocked without stopping, the spare inner filter cover and the outer filter cover are integrated together, the structure is compact, and the occupied space is small.
Preferably, the outgoing water channel is provided with an outgoing water channel part straight line section and an outgoing water channel part inlet section which are connected together by folding lines, the incoming water channel is provided with an incoming water channel part straight line section and an incoming water channel part outlet section which are connected together by folding lines, the outgoing water channel part straight line section and the incoming water channel part straight line section are positioned on a straight line and are communicated to form a straight line channel, and a movable plug for sealing the incoming water 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 seal the outlet section of the outlet channel section, and the outlet section of the water inlet channel section is opened when the movable plug seals the inlet section of the outlet channel section. The alternate opening of the water inlet flow passage and the water outlet flow passage is realized.
Preferably, the connecting seat is provided with a water return dry runner, the water return dry runner is provided with a water return main port, the water return main port is communicated with an outlet of the water pump through a water return pipe, and the water return dry runner is provided with an inner water outlet cavity water return branch runner communicated with the inner water outlet cavity and an outer water cavity water return branch runner communicated with the outer water cavity; an inner water outlet cavity water return branch flow passage is provided with an inner water outlet cavity water return branch flow passage part sliding hole, an inner water outlet cavity water return branch flow passage part plug and an inner water outlet cavity water return branch flow passage part push-out spring are connected in a sealing sliding manner in the inner water outlet cavity water return branch flow passage part sliding hole, the inner water outlet cavity water return branch flow passage part plug is provided with an inner water outlet cavity water return branch flow passage part communication hole, the inner water outlet cavity water return branch flow passage part sliding hole is communicated with the linear passage, and the inner water outlet cavity water return branch flow passage part spring is used for driving the inner water outlet cavity water return branch flow passage part plug to extend into the linear passage so that the inner water outlet cavity water return branch flow passage part communication hole communicates the parts of the inner water outlet cavity water return branch flow passage part, which are positioned at two sides of the inner water outlet cavity water return branch flow passage part plug; an outlet water cavity backwater branch runner part sliding hole is formed in the outlet water cavity backwater branch runner part sliding hole, an outlet water cavity backwater branch runner part plug and an outlet water cavity backwater branch runner part pushing spring are connected in a sealing sliding manner, the outlet water cavity backwater branch runner part plug is provided with an outlet water cavity backwater branch runner part communication hole, the outlet water cavity backwater branch runner part sliding hole is communicated with the linear channel, and the outlet water cavity backwater branch runner part spring is used for driving the outlet water cavity backwater branch runner part plug to extend into the linear channel so that the outlet water cavity backwater branch runner part communication hole communicates the parts of the outlet water cavity backwater branch runner part plug at two sides of the outlet water cavity backwater branch runner 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 outlet water cavity backwater branch channel part plug, the outlet water cavity backwater branch channel part plug contracts into the outlet water cavity backwater branch channel part sliding hole, the outlet water cavity backwater branch channel is closed, the driving block is staggered with the inner water cavity backwater branch channel part plug, and the inner water cavity backwater branch channel part communication hole is communicated with the part of the inner water cavity backwater branch channel part located at two sides of the inner water cavity backwater branch channel part plug; when the movable plug seals the inlet section of the outlet water channel part, the driving block presses the inner water outlet cavity backwater branch flow channel part plug, the inner water outlet cavity backwater branch flow channel part plug is contracted into the sliding hole of the inner water outlet cavity backwater branch flow channel part, the inner water outlet cavity backwater branch flow channel is closed, the movable plug is staggered with the outlet water cavity backwater branch flow channel part plug, and the outlet water cavity backwater branch flow channel part communication hole is communicated with the parts of the outlet water cavity backwater branch flow channel part plugs positioned at two sides of the outlet water cavity backwater branch flow 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 head communicating channel; when the movable plug seals the outlet section of the water inlet channel part, the movable plug communicates with the two water inlet channels of the channel at the two ends of the movable plug; the movable plug head part communicating channel is internally provided with a one-way valve which is opened towards the outside of the lower connecting seat. According to the technical scheme, the inner filter cover and the outer filter cover can be backwashed through filtered water output by the water pump, impurities generated during dredging of the inner filter cover can be output to the outer part of the outer filter cover, and impurities cleaned during filtering of the inner filter cover are prevented from being accumulated on the inner filter cover again rapidly to cause blockage so as to influence dredging effects.
Preferably, a water return valve is arranged on the water return pipe. The water output by the water pump can be selectively returned to backwash and dredge the filter cover according to the requirement.
Preferably, the outer filter cover is cylindrical, the filtering holes in the outer filter cover are only formed in the peripheral wall of the outer filter cover, an outer gear ring of the outer filter cover part is sleeved on the outer filter cover, the outer gear ring of the outer filter cover part is connected with an outer filter cover part scraping blade which scrapes the outer peripheral surface of the outer filter cover along the axial extension of the outer filter cover to remove impurities, a plurality of water inlet runner part blades driven by water flowing through the water inlet runner are arranged in the water inlet runner, the water inlet runner part blades are connected to a water inlet runner part rotating shaft, and the water inlet runner part rotating shaft drives the outer gear ring of the outer filter cover part to rotate through an outer driving structure. When the outer filter cover stops filtering and the inner filter cover filters, the outer filter cover part scraping blade is driven by water flow entering the outer filter cover to clean the outer filter cover.
Preferably, the outer driving structure comprises an intermediate gear meshed with the outer gear ring of the outer filtering cover part, a wheel shaft with one end connected with the intermediate gear, a driven first bevel gear connected with the other end of the wheel shaft and a driving first bevel gear meshed with the driven first bevel gear, wherein the wheel shaft is rotatably connected to a connecting seat bearing on the connecting seat, and the driving first bevel gear is connected with a rotating shaft of the water inlet runner part.
Preferably, the outer filter cover is sleeved with an outer filter cover rotating ring, the outer gear ring of the outer filter cover and the outer filter cover rotating ring are positioned at two axial ends of the outer filter cover, and two ends of the outer filter cover scraping blade are fixedly connected to the outer gear ring of the outer filter cover and the outer filter cover rotating ring respectively. The outer filter housing part scraping blade can be prevented from being far away from the outer filter housing surface to influence the cleaning effect.
Preferably, the inner filter cover is cylindrical, the filtering holes on the inner filter cover are only arranged on the peripheral wall of the inner filter cover, an inner rotating shaft is penetrated in 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 way, 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, 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 is connected on the driving arm, a plurality of water outlet runner part blades driven by water flowing through an outer water outlet runner are arranged in the outer water outlet runner, the water outlet runner part blades are connected on the water outlet runner part rotating shaft, a driving second bevel gear is arranged on the water outlet runner part rotating shaft, 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 inner filter cover can be cleaned by utilizing the water flow output by the outer filter cover to drive the scraping blade of the inner filter cover part.
Preferably, the inner filter cover is sleeved with an inner filter cover rotating ring, the driving arm and the inner filter cover rotating ring are positioned at two axial ends of the outer filter cover, and two ends of the inner filter cover scraping blade are fixedly connected to the driving arm and the inner filter cover rotating ring respectively. The inner filter housing portion wiper blade can be prevented from being away from the outer filter housing surface to affect the cleaning effect.
Compared with the prior art, has the beneficial effects of influence: the water spray forms a water curtain at the periphery of the output sand, so that the dust removal effect can be achieved, and the dust emission is reduced; when the filter screen of the water pump is blocked, the shutdown dredging is not needed, and the result layout of the filtering structure is compact; can select out the stone of big particle diameter and smash the back and give the cylinder of rolling again and make sand, realized smashing the stone and made sand and integrated together, the cost when having reduced big stone and made sand.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present application;
FIG. 2 is a partially enlarged schematic view at D of FIG. 1;
FIG. 3 is a schematic diagram of a second embodiment of the present application;
FIG. 4 is a schematic diagram of a water pump;
fig. 5 is a partially enlarged schematic view at B of fig. 4.
In the figure: the water pump 1, the shell 2, the rolling cylinder 3, the rolling gap 4, the discharge port 5, the feed port 6, the water 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 water outlet main 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 water outlet cavity 20, the straight line section 21 of the water outlet channel part 22, the straight line section 23 of the water inlet channel part, the outlet section 24 of the water inlet channel part, the straight connecting channel 25, the pressure limiting spring 26, the movable plug 27, the water return pipe 28, the inner water outlet cavity return branch channel 29, the water outlet cavity return branch channel 30, the inner water outlet cavity return branch channel part plug 31, the inner water outlet cavity return branch channel part extrapolation spring 32, the inner water outlet cavity return branch channel part communication hole 33, the water outlet branch channel part plug 34, the water outlet branch channel part extrapolation spring 35 the water outlet cavity backwater branch flow passage part communication hole 36, the driving block 37, the movable plug part communication passage 38, the one-way valve 39, the backwater valve 40, the outer filter cover part outer gear ring 41, the outer filter cover part scraping blade 42, the water inlet flow passage part blade 43, the water inlet flow passage part rotating shaft 44, the intermediate gear 45, the wheel shaft 46, the driven first bevel gear 47, the driving first bevel gear 48, the connecting bearing 49, the outer filter cover part rotating ring 50, the inner rotating shaft 51, the driving arm 52, the inner filter cover part scraping blade 53, the water outlet flow passage part blade 54, the water outlet flow passage part rotating shaft 55, the inner filter cover part rotating ring 56, the inner water outlet passage 57, the driving second bevel gear 59, the driven second bevel gear 60, the sieve 74, the extrusion crushing head 75, the hydraulic cylinder 76, the chute 77, the displacement sensor 78, the sliding seat 79, the extrusion head 80, the liquid 81, the pressure sensor 82, the piston rod 83 of the hydraulic cylinder, the screen cleaning scraping bar 84, the screen avoiding holes 85, the electromagnet 86, the roller 87, the crushing teeth 88 and the screen holes 89.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In a first embodiment, referring to fig. 1 and 2, a butt-removing coarse material type twin-roll sand making machine comprises a frame, a water pump 1 and a shell 2 with a sealing structure. The frame is provided with two crushing barrels and drives crushing barrel pivoted drive structure. The crushing cylinder comprises a rolling cylinder 3 and a main shaft. The crushing cylinders are connected with the frame through the main shaft, and a rolling gap 4 is formed between the two rolling cylinders. The two rolling cylinders are positioned in the shell, and the shell is provided with a discharge hole 5 and a feed hole 6. The discharge gate is located the below of rolling a section of thick bamboo and falls out for the sand that rolls a section of thick bamboo and roll out, the feed inlet is located the top of rolling a section of thick bamboo and is used for waiting to roll stone input two to roll between the section of thick bamboo.
The feeding hole is provided with a sieve 74, two opposite side walls of the feeding hole are respectively provided with an extrusion head sliding hole, an extrusion crushing head 75 is slidably connected in the extrusion head sliding holes, the extrusion crushing head is positioned above the sieve, the extrusion crushing head is connected with a hydraulic cylinder 76, and the hydraulic cylinder is connected with a hydraulic station; when the two extrusion crushing heads are folded to the limit position, the gap between the two extrusion crushing heads is smaller than the particle size of the stone with the maximum particle size which can be crushed by the crushing cylinder. The two extrusion head sliding holes are communicated through two sliding grooves 77 which are positioned on two opposite side walls of the feeding hole in a one-to-one correspondence manner, and the extrusion crushing heads are in sliding connection in the sliding grooves in the process of folding the extrusion crushing heads. The application 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 by the hydraulic station to the hydraulic oil cylinder 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 the sealed liquid storage cavity is internally provided with a pressure sensor 82 for detecting the pressure in the sealed storage cavity. The hydraulic station outputs hydraulic oil to the hydraulic oil cylinder in the folding process of the extrusion crushing head, and the hydraulic oil cylinder drives the extrusion crushing head to move towards the inside of 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 continuously rises, the pressure of hydraulic oil output by the hydraulic station continuously rises; when the speed sensor detects that the speed of the extrusion crushing head is above a second set value, the pressure of the 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 extrusion 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 inlet, 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 inlet, 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 process of moving 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 extrusion crushing heads are electrified alternately is at the time when the two extrusion crushing heads are separated to the limit position. Two rollers 87 are also arranged in the shell and are abutted on the lower surface of the sieve, and the two rollers are distributed at the two ends of the sieve along the moving direction of the two extrusion crushing heads. The distance of the roller from the midpoint between the two extrusion crushing heads is smaller than the distance of the screen cleaning wiper strip from the midpoint between the two extrusion crushing heads. Crushing teeth 88 are provided on the extrusion section of the extrusion crushing head.
When the sand grinding machine is used, the hydraulic station conveys hydraulic oil to the hydraulic oil cylinders, so that the hydraulic oil cylinders are separated and combined, stones with the particle size larger than the requirement, which are retained on the screen, are crushed, and the stones meeting the requirement fall from the screen holes 89 and are crushed together to form sand. In the process of extrusion crushing and moving, the driving screen also moves so as to improve the effect of the screen.
Embodiment two differs from embodiment one in that:
referring to fig. 3 to 5, the discharge port is provided with an annular water distribution cavity 9 extending along the circumferential direction of the discharge port, and the annular water distribution cavity 9 is provided with a plurality of water spray nozzles 7 distributed along the circumferential direction of the discharge port. The water spray nozzle is connected with the outlet end 8 of the water pump.
The outlet end of the water pump is communicated with an 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 spray nozzles are connected in the water outlet holes in a one-to-one correspondence manner. The water spray nozzle is provided with a spherical connector 11, and the water spray 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 tightly matched and connected with the rubber layer, and the spherical connector is connected with the water outlet hole in a sealing way through the rubber layer.
When the dust collector is used, the inlet end of the water pump is communicated with a water source, water of the water source is conveyed to the annular water distribution cavity by the water pump, and then is sprayed out from the water spray nozzle to form a water curtain at the periphery of sand falling out from the discharge port, so that the dust collector has a dust removing effect. The drainage nozzle can manually rotate by taking the spherical connector as a fulcrum to change the drainage direction, so that falling sand is ensured to be positioned in a section surrounded by a water curtain formed by sprayed water.
Further, the inlet end 13 of the water pump is provided with a filter structure. The filter structure includes a connection seat 97. The connection base is provided with a water outlet total 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 an isolating cover 17 in a sealing way, the inner filter cover and the connecting seat enclose an inner water outlet cavity 18, the isolating cover is sleeved on the inner filter cover, the isolating cover, the inner filter cover and the connecting seat enclose an outer water outlet cavity 20, the isolating cover, the outer filter cover and the connecting seat enclose an outer water outlet cavity 20, an inner water outlet channel 57 communicated with the inner water outlet cavity and the water outlet main channel, an outer water outlet channel communicated with the outer water outlet cavity and the water inlet channel communicated with the outer part 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. The water outlet channel is provided with a water outlet channel section straight line section 21 and a water outlet channel section 22 which are connected together by folding lines, the water inlet channel is provided with a water inlet channel section straight line section 23 and a water inlet channel section outlet section 24 which are connected together by folding lines, the water outlet channel section straight line section and the water inlet channel section straight line section are positioned on the same straight line, and the water outlet channel section straight line section and the water inlet channel section straight line section are communicated through a straight connecting channel 25 to form a straight line channel. A movable plug 27 for closing the outlet section of the water inlet channel section is supported in the linear channel by 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 seal the outlet section of the outlet channel section, and the inlet channel section is opened when the inlet movable plug seals the inlet section of the outlet channel section. When the outer filter cover is blocked to a set degree, the outlet water flow channel is closed, the inlet water flow channel is opened, and water automatically enters the inlet water cavity to be filtered through the inner filter cover, so that the standby inner filter cover can be automatically started to be filtered when the outer filter cover is blocked.
The connecting seat is provided with a water return dry flow passage which is provided with a water return main port communicated with the outlet end of the water pump through a water return pipe 28, and the water return dry flow passage is provided with an inner water outlet cavity water return branch flow passage 29 communicated with the inner water outlet cavity and an outer water cavity water return branch flow passage 30 communicated with the outer water cavity; an inner water outlet cavity water return branch flow passage is provided with an inner water outlet cavity water return branch flow passage part sliding hole, an inner water outlet cavity water return branch flow passage part plug 31 and an inner water outlet cavity water return branch flow passage part push-out spring 32 are connected in a sealing sliding manner in the inner water outlet cavity water return branch flow passage part sliding hole, the inner water outlet cavity water return branch flow passage part plug is provided with an inner water outlet cavity water return branch flow passage part communication hole 33, the inner water outlet cavity water return branch flow passage part sliding hole is communicated with a straight line channel, and the inner water outlet cavity water return branch flow passage part spring is used for driving the inner water outlet cavity water return branch flow passage part plug to extend into the straight line channel so that the inner water outlet cavity water return branch flow passage part communication hole communicates the parts of the inner water outlet cavity water return branch flow passage part, which are positioned at two sides of the inner water outlet cavity water return branch flow passage part plug; an outlet water cavity backwater branch runner part sliding hole is formed in the outlet water cavity backwater branch runner part sliding hole, an outlet water cavity backwater branch runner part plug 34 and an outlet water cavity backwater branch runner part push-out spring 35 are connected in a sealing sliding manner, the outlet water cavity backwater branch runner part plug is provided with an outlet water cavity backwater branch runner part communication hole 36, the outlet water cavity backwater branch runner part sliding hole is communicated with a straight line channel, and the outlet water cavity backwater branch runner part spring is used for driving the outlet water cavity backwater branch runner part plug to extend into the straight line channel so that the outlet water cavity backwater branch runner part communication hole communicates the parts of the outlet water cavity backwater branch runner, which are positioned at two sides of the outlet water cavity backwater branch runner part plug; 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 return branch flow passage part plug of the water outlet cavity, the water return branch flow passage part plug of the water outlet cavity contracts into the water return branch flow passage part sliding hole of the water outlet cavity, the water return branch flow passage of the water outlet cavity is closed, the driving block is staggered with the water return branch flow passage part plug of the water outlet cavity, the water return branch flow passage part communicating hole of the water outlet cavity communicates with the part of the water return branch flow passage of the water outlet cavity, which is positioned at two sides of the water return branch flow passage part plug of the water outlet cavity, and at the moment, water output by the water pump flows back into the water outlet cavity so as to back flush and dredge the inner filter cover.
When the movable plug seals the inlet section of the outlet water channel part, the driving block presses the inner water outlet cavity backwater branch flow passage part plug, the inner water outlet cavity backwater branch flow passage part plug contracts into the inner water outlet cavity backwater branch flow passage part sliding hole, the inner water outlet cavity backwater branch flow passage is closed, the movable plug is staggered with the outlet water cavity backwater branch flow passage part plug, the outlet water cavity backwater branch flow passage part communication hole is communicated with the parts of the outlet water cavity backwater branch flow passage part plug positioned at two sides of the outlet water cavity backwater branch flow passage part plug, and at the moment, water output by the water pump flows back into the outlet water cavity so as to backwash dredging the outer filter cover.
The inlet section of the water inlet channel part and the inlet section of the outlet channel part are positioned on two side walls of the linear channel, and the movable plug is provided with a movable plug part communication channel 38; when the movable plug seals the outlet section of the water inlet channel section, the movable plug communicates with the two water inlet channels of the channel at the two ends of the movable plug; a one-way valve 39 which is opened towards the outside of the lower connecting seat is arranged in the communication passage of the movable plug head. This structure enables the sewage at the time of backwashing the inner filter housing to be discharged.
The return water pipe is provided with a return water valve 40.
The outer filter mantle is cylindrical, the filtration pore on the outer filter mantle is only set up on the perisporium of outer filter mantle, cover is equipped with outer filter mantle portion external gear ring 41 on the outer filter mantle, outer filter mantle portion external gear is connected with and scrapes the outer filter mantle portion doctor-bar 42 of removing debris along the outer peripheral face of outer filter mantle axial extension, be equipped with in the inlet channel through the rivers drive of inlet channel a plurality of inlet channel portion blades 43, inlet channel portion blade is connected on inlet channel portion pivot 44, inlet channel portion pivot passes through outer drive structure drive outer filter mantle portion external gear ring rotation. The outer driving structure comprises an intermediate gear 45 meshed with the outer gear ring of the outer filtering cover part, an axle 46 with one end connected with the intermediate gear, a driven first bevel gear 47 connected with the other end of the axle and a driving first bevel gear 48 meshed with the driven first bevel gear, wherein the axle is rotatably connected with a connecting seat on a connecting seat bearing 49, and the driving first bevel gear is connected with a rotating shaft of the water inlet runner part. The outer filter cover is sleeved with an outer filter cover rotating ring 50, an outer filter cover outer gear ring and the outer filter cover rotating ring are positioned at two axial ends of the outer filter cover, and two ends of the outer filter cover scraping blade are fixedly connected to the outer filter cover outer gear ring and the outer filter cover rotating ring respectively. The water inlet channel is opened to inlet 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 channel part to rotate, so that the scraping blades of the outer filter cover part are driven to circumferentially move on the outer peripheral surface of the outer filter cover through the related mechanism, and the cleaning of the outer filter cover is realized.
The inner filter cover is cylindrical, the filter hole on the inner filter cover is only arranged on the peripheral wall of the inner filter cover, an inner rotating shaft 51 is arranged in the inner filter cover in a penetrating way, 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 way, the inner rotating shaft is coaxial with the inner filter cover, a driving arm 52 positioned outside the inner filter cover is arranged on the inner rotating shaft, an inner filter cover part 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 on the driving arm, a plurality of water outlet runner part blades 54 which are driven by water flowing through an outer water outlet runner are arranged in the outer water outlet runner, and the water outlet runner part blades are connected on the water outlet runner part rotating shaft 55. The inner filter cover is sleeved with an inner filter cover rotating ring 56, the driving arm and the inner filter cover rotating ring are positioned at two axial ends of the outer filter cover, and two ends of the inner filter cover scraping blade are fixedly connected to the driving arm and the inner filter cover rotating ring respectively. The water outlet runner part is provided with a driving second bevel gear 59 on the rotating shaft, and a driven second bevel gear 60 meshed with the driving second bevel gear is arranged on the inner rotating shaft. When the inner filter cover is used for filtering, the water flow flowing out of the outer water cavity drives the blades of the water outlet runner part to rotate, so that the scraping blades of the inner filter cover part are driven by the related mechanism to move circumferentially on the outer peripheral surface of the inner filter cover, and the inner filter cover is cleaned.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present application, and the present application is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present application has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (7)
1. The utility model provides a clash coarse fodder removing double-roller sand making machine, includes the frame, the frame is provided with two crushing section of thick bamboo and drives crushing section of thick bamboo pivoted drive structure, crushing section of thick bamboo includes crushing section of thick bamboo and main shaft, crushing section of thick bamboo passes through the main shaft with the frame links together, form the clearance of rolling between two crushing section of thick bamboo, characterized by also including seal structure's shell, two crushing section of thick bamboo are located in the shell, the shell is equipped with discharge gate and feed inlet, the discharge gate is located the below of rolling section of thick bamboo for the sand that the rolling section of thick bamboo extruded falls out, the feed inlet is located the top of rolling section of thick bamboo for the stone that waits to roll is input between two rolling section of thick bamboo, the feed inlet is equipped with the sieve, is equipped with an extrusion head slide hole on two lateral walls that the feed inlet is relative, the extrusion head slide downthehole is connected with extrusion crushing head, extrusion crushing head is located the top of sieve, extrusion crushing head links together with hydraulic cylinder, hydraulic cylinder links together with hydraulic station; when the two extrusion crushing heads are folded to the limit position, the gap between the two extrusion crushing heads is smaller than the particle size of stone blocks with the maximum particle size which can be crushed by the crushing cylinder, a plurality of water spray nozzles which are distributed along the circumferential direction of the discharge port are arranged at the periphery of the discharge port, the water spray 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 water outlet main channel of the connecting seat is connected with the inlet end of the water pump in a sealing way, an inner filtering cover, an outer filtering cover and a separating cover are connected on the connecting seat in a sealing way, 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 outer water inlet cavity, an inner water outlet runner which is communicated with the inner water outlet cavity and the water outlet main channel, an outer water outlet runner which is communicated with the outer water outlet cavity and the water outlet main channel, and a water inlet runner which is communicated with the water inlet cavity and the outside of the connecting seat are arranged in the connecting seat; 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 seal the outlet section of the outlet water channel part, the outlet section of the water inlet channel part is opened when the movable plug seals the inlet section of the outlet water channel part, the connecting seat is provided with a water return dry channel, the water return dry channel is provided with a water return main port, the water return main port is communicated with the outlet of the water pump through a water return pipe, and the water return dry channel is provided with an inner water outlet cavity water return branch channel communicated with the inner water outlet cavity and an outlet water cavity water return branch channel communicated with the outlet water cavity; an inner water outlet cavity water return branch flow passage is provided with an inner water outlet cavity water return branch flow passage part sliding hole, an inner water outlet cavity water return branch flow passage part plug and an inner water outlet cavity water return branch flow passage part push-out spring are connected in a sealing sliding manner in the inner water outlet cavity water return branch flow passage part sliding hole, the inner water outlet cavity water return branch flow passage part plug is provided with an inner water outlet cavity water return branch flow passage part communication hole, the inner water outlet cavity water return branch flow passage part sliding hole is communicated with the linear passage, and the inner water outlet cavity water return branch flow passage part spring is used for driving the inner water outlet cavity water return branch flow passage part plug to extend into the linear passage so that the inner water outlet cavity water return branch flow passage part communication hole communicates the parts of the inner water outlet cavity water return branch flow passage part, which are positioned at two sides of the inner water outlet cavity water return branch flow passage part plug; an outlet water cavity backwater branch runner part sliding hole is formed in the outlet water cavity backwater branch runner part sliding hole, an outlet water cavity backwater branch runner part plug and an outlet water cavity backwater branch runner part pushing spring are connected in a sealing sliding manner, the outlet water cavity backwater branch runner part plug is provided with an outlet water cavity backwater branch runner part communication hole, the outlet water cavity backwater branch runner part sliding hole is communicated with the linear channel, and the outlet water cavity backwater branch runner part spring is used for driving the outlet water cavity backwater branch runner part plug to extend into the linear channel so that the outlet water cavity backwater branch runner part communication hole communicates the parts of the outlet water cavity backwater branch runner part plug at two sides of the outlet water cavity backwater branch runner part plug; the movable plug is connected with a driving block; when the movable plug seals the outlet section of the water inlet runner section, the movable plug presses the water return branch runner section plug of the water outlet cavity, the water return branch runner section plug of the water outlet cavity contracts into the water return branch runner section sliding hole of the water outlet cavity, the water return branch runner of the water outlet cavity is closed, the driving block is staggered with the water return branch runner section plug of the inner water outlet cavity, and the water return branch runner section communication hole of the inner water outlet cavity is communicated with the parts of the water return branch runner of the inner water outlet cavity, which are positioned at two sides of the water return branch runner section plug of the inner water outlet cavity; when the movable plug seals the inlet section of the outlet water runner section, the driving block presses the inner water outlet cavity backwater branch runner section plug, the inner water outlet cavity backwater branch runner section plug is contracted into the sliding hole of the inner water outlet cavity backwater branch runner section, the inner water outlet cavity backwater branch runner is closed, the movable plug is staggered with the outlet water cavity backwater branch runner section plug, and the outlet water cavity backwater branch runner section communication hole is communicated with the parts of the outlet water cavity backwater branch runner positioned at two sides of the outlet water cavity backwater branch runner section plug; the outlet section of the water inlet runner section and the inlet section of the water outlet runner section are positioned on two side walls of the linear channel, and the movable plug is provided with a movable plug head communicating channel; when the movable plug seals the outlet section of the water inlet flow passage part, the two water inlet flow passages of the movable plug head communicating passage are positioned at the two ends of the movable plug; the movable plug head part communicating channel is internally provided with a one-way valve which is opened towards the outside of the lower connecting seat.
2. The clash coarse material removing double-roll sand making machine according to claim 1, further comprising a displacement sensor for detecting the sliding speed of an extrusion crushing head in a sliding hole of the extrusion head, wherein 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 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 folding process of the extrusion crushing head, and the hydraulic oil cylinder drives the extrusion crushing head to move towards the inside of the feeding hole; when the displacement 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 continuously rises, the pressure of hydraulic oil output by the hydraulic station continuously rises; when the displacement sensor detects that the speed of the extrusion crushing head is above 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 clash coarse material removing twin-roll 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 which is attached to the upper surface of the screen and scrapes 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 removing double-roller sand making machine according to claim 3, wherein a sieve avoiding hole is formed in the side wall of the feed inlet, which is provided with an extrusion head sliding hole, two ends of a sieve penetrate through the sieve avoiding holes in the two side walls of the feed inlet, the sieve is made of a body magnet, and an electromagnet for adsorbing the sieve is arranged on the extrusion crushing head; in the process of moving the extrusion crushing heads, only one electromagnet on the extrusion crushing head is electrified at the same time to adsorb the sieve; the time when the electromagnets on the two extrusion crushing heads are electrified alternately is at the time when the two extrusion crushing heads are separated to the limit position.
5. The butt-removing coarse material twin-roll sand making machine according to claim 4, wherein two rollers are further arranged in the shell, 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.
6. The clash coarse material removing twin roll sand making machine according to claim 1 or 2, wherein the outer filter cover is cylindrical, the filtering holes on the outer filter cover are only arranged on the peripheral wall of the outer filter cover, an outer filter cover part outer gear ring is sleeved on the outer filter cover, the outer filter cover part outer gear ring is connected with an outer filter cover part scraping blade which scrapes the outer peripheral surface of the outer filter cover along the axial extension of the outer filter cover to remove impurities, a plurality of water inlet runner part blades driven by water flow flowing through the water inlet runner are arranged in the water inlet runner, the water inlet runner part blades are connected to a water inlet runner part rotating shaft, and the water inlet runner part rotating shaft drives the outer filter cover part outer gear ring to rotate through an outer driving structure.
7. The clash coarse material removing twin roll sand making machine according to claim 1 or 2, wherein the inner filter cover is cylindrical, the filtering holes on the inner filter cover are only arranged on the peripheral wall of the inner filter cover, an inner rotating shaft is penetrated in 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 rotating way, 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, an inner filter cover part scraping blade which scrapes the outer peripheral surface of the inner filter cover and removes impurities along the axial extension of the inner filter cover is connected on the driving arm, a plurality of water outlet runner part blades driven by water flowing through the outer water outlet runner are arranged in the outer water outlet runner, the water outlet runner part blades are connected on the water outlet runner part rotating shaft, a driving second bevel gear is arranged on the water outlet runner part rotating shaft, and a driven second bevel gear meshed with the driving second bevel gear is arranged on the inner rotating shaft.
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| CN202210702544.7A CN115090393B (en) | 2022-06-21 | 2022-06-21 | Butt-impact coarse material removing double-roller sand making machine |
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| 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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| CN115090393A (en) | 2022-09-23 |
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