CN217796417U

CN217796417U - Roller pair sand making machine with roller capable of cooling

Info

Publication number: CN217796417U
Application number: CN202221551180.9U
Authority: CN
Inventors: 祝光云; 祝鹤槐
Original assignee: Zhejiang Chentai Machinery Manufacturing Co ltd
Current assignee: Zhejiang Chentai Machinery Manufacturing Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-11-15
Anticipated expiration: 2032-06-21

Abstract

The utility model relates to a roll husky machine of pair roller system that a section of thick bamboo can cool down rolls, including frame, water pump and seal structure's shell, the frame is provided with two and is located the section of thick bamboo that rolls of shell, two roll and form between the section of thick bamboo and roll the clearance, two roll the section of thick bamboo and be located in the shell, the shell is equipped with discharge gate and feed inlet, the discharge gate is located the below of rolling a section of thick bamboo and falls out in order to supply to roll the husky of a section of thick bamboo roll out, the feed inlet is located the top of rolling a section of thick bamboo and is input two and roll between the section of thick bamboo in order to supply to wait to roll, be equipped with in the shell and spout the cooling water shower nozzle on the section of thick bamboo of rolling, the cooling water shower nozzle with the exit end of water pump is connected. The utility model aims at providing a roll pair roller system sand machine that a section of thick bamboo can be cooled down that rolls that the temperature that rolls a section of thick bamboo production rises when generating in succession has solved current system sand machine and has generated the problem that the temperature rises more to lead to the fact to shorten service life in succession.

Description

Roller pair sand making machine with roller compaction barrel capable of being cooled

Technical Field

The utility model relates to a system sand machine, concretely relates to pair roller system sand machine that a section of thick bamboo can cool down rolls.

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 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 method is characterized in that a pair-roller sand making machine is disclosed in Chinese patent documents with the patent numbers of 2010202399225, the publication number of CN201791554U and the name of a driving mechanism of the pair-roller sand making machine, stone is crushed into sand by the pair-roller sand making machine, the sand is crushed by a pair of crushing cylinders (also called rollers), the initial crushing cylinder of the pair-roller sand making machine is rotated by arranging a chain wheel at one end of the crushing cylinder, and then the chain wheel is driven by a chain after the motor output is decelerated by a speed reducer, so that 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 existing sand making machines of the above types have the following defects: when the roller is continuously produced, the roller can generate heat so as to reduce the hardness, and the hardness is reduced so as to accelerate the abrasion of the roller and shorten the service life.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose aims at providing a roll pair roller system sand machine that a section of thick bamboo that rolls that the temperature that rolls a production when generating in succession rises less can cool down, has solved the problem that current system sand machine continuous generation temperature rises and leads to more the service life to shorten.

The utility model discloses a second purpose aims at further providing the pair roller system sand machine of the dustproof of need not to shut down the mediation when water pump filter screen blocking, has solved the problem that needs shut down the mediation when current water pump filter screen blocking.

The technical problem is solved by the following technical scheme: the utility model provides a roll husky machine of pair roller system that a section of thick bamboo can be cooled down, which comprises a frame, the frame is provided with two crushing barrels and drives crushing barrel pivoted drive structure, crushing barrel is including rolling a section of thick bamboo and main shaft, roll the barrel casing establish and rotate connect in the main shaft, crushing barrel passes through the main shaft with the frame links together, and two are rolled and form between the section of thick bamboo and roll the clearance, and its characterized in that still includes water pump and seal structure's shell, two roll the section of thick bamboo and be located in the shell, the shell is equipped with discharge gate and feed inlet, the discharge gate is located the below of rolling a section of thick bamboo and falls out for the husky 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 input two and is rolled between the section of thick bamboo in order to supply to treat the stone that rolls, be equipped with in the shell and spray cooling water on the section of thick bamboo, the cooling water nozzle with the exit end of water pump is connected. In the formation process, make water from the cooling water shower nozzle blowout through the water pump, cooling water shower nozzle spun water drops and realizes the cooling to the section of thick bamboo of rolling on the section of thick bamboo of rolling, can also play the effect that reduces the raise dust simultaneously.

Preferably, 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 connected with the inlet end of the water pump in a sealing manner, an inner filtering cover, an outer filtering cover and a separation cover are connected to the connecting seat in a sealing manner, an inner water outlet cavity is defined by the inner filtering cover and the connecting seat, an inner water inlet cavity is defined by the separation cover, the inner filtering cover and the connecting seat, an outer water outlet cavity is defined by the separation cover, the outer filtering cover and the connecting seat, an inner water outlet channel communicating the inner water outlet cavity with the main water outlet channel, an outer water outlet channel communicating the outer water outlet cavity with the main water outlet channel, and a water inlet channel 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. 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. The second utility model purpose is realized.

Preferably, 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, 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, the outer water outlet channel part straight-line segment and the water inlet channel part straight-line segment are positioned on a straight line and are communicated 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. The alternate opening of the water inlet channel and the water outlet 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 return branch channel part is provided with an inner water outlet cavity return branch channel part sliding hole, the inner water outlet cavity return branch channel part sliding hole is internally connected with an inner water outlet cavity return branch channel part plug and an inner water outlet cavity return branch channel part outward pushing spring in a sealing and sliding mode, the inner water outlet cavity return branch channel part plug is provided with an inner water outlet cavity return branch channel part communicating hole, the inner water outlet cavity return branch channel part sliding hole is communicated with the linear channel, and the inner water outlet cavity return branch channel part spring is used for driving the inner water outlet cavity return branch channel part plug to extend into the linear channel so that the inner water outlet cavity return branch channel part communicating hole communicates the parts, located on two sides of the inner water outlet cavity return branch channel part plug, of the inner water outlet cavity 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 an inlet section of an outgoing water channel part, the driving block presses the inner outgoing water cavity backwater branch flow channel part plug, the inner outgoing water cavity backwater branch flow channel part plug shrinks into the inner outgoing water cavity backwater branch flow channel part sliding hole, the inner outgoing water cavity backwater branch flow channel is closed, the movable plug is staggered with the outgoing water cavity backwater branch flow channel part plug, and the outgoing water cavity backwater branch flow channel part communicating hole is communicated with parts of the outgoing water cavity backwater branch flow channel, which are positioned on two sides of the outgoing 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 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 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 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 channel portion blades driven by water flow flowing through a water inlet channel are arranged in the water inlet channel and connected to a water inlet channel portion rotating shaft, and the water inlet 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 outer driving structure comprises a middle gear meshed with the outer gear ring of the outer filtering cover part, a wheel shaft with one end connected with the middle 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 the rotating shaft of the water inlet channel 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 scraping blade of the outer filter cover part is far away from the surface of the outer filter cover.

Preferably, the inner filter cover is cylindrical, the filter holes in the inner filter cover are only formed in 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 mode, the inner rotating shaft is coaxial with the inner filter cover, a driving arm located outside the inner filter cover is arranged on the inner rotating shaft, the driving arm is connected with an inner filter cover portion scraping blade which extends in the axial direction of the inner filter cover and scrapes the outer peripheral surface of the inner filter cover to remove impurities, a plurality of water outlet channel portion blades driven by water flowing through the water outlet channel are arranged in the water outlet channel, the water outlet channel portion blades are connected to the water outlet channel portion rotating shaft, a driving second bevel gear is arranged on the water outlet channel portion 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 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: can spray water and cool down to rolling a section of thick bamboo, avoid continuous long-time operating temperature to rise too much and lead to softening and shorten life, unnecessary water is absorbed by the sand in the material, can play the effect that reduces the raise dust.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of a water pump;

fig. 3 is a partially enlarged schematic view of a portion B of fig. 3.

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 distribution pipe 7, the outlet end 8 of the water pump, the cooling water spray head 9, the water inlet pipe 10, 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 water return branch flow channel 29 of the inner water outlet cavity, the water return branch flow channel 30 of the outer water outlet cavity, the plug 31 of the water return branch flow channel part of the inner water outlet cavity, the outward push spring 32, the water return branch flow channel part 33 of the inner water outlet cavity, the intercommunicating pore an outlet water cavity backwater branch flow passage part plug 34, an outlet water cavity backwater branch flow passage part outward push spring 35, an outlet water cavity backwater branch flow passage part communicating hole 36, a driving block 37, a movable plug 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 passage part blade 43, a water inlet 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, an outlet flow passage part blade 54, an outlet flow passage part rotating shaft 55, an inner filtering cover part rotating ring 56, an inner outlet water passage 57, a driving second bevel gear 59 and a driven second bevel gear 60.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a roller pair sand making machine with a roller compaction cylinder capable of cooling comprises a frame, a water pump 1 and a shell 2 with 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. The two rolling cylinders are positioned in the shell, and the shell is provided with a discharge port 5 and a feed port 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 periphery of the feed inlet is provided with a water distribution pipe 7 which surrounds the feed inlet, and the water distribution pipe is provided with a plurality of cooling water nozzles 9 which are input into the shell and spray cooling water onto the grinding cylinder. The water distribution pipe is connected with the outlet end 8 of the water pump through a water inlet pipe 10.

Furthermore, the discharge port is provided with an annular water distribution cavity 9 extending along the circumferential direction of the discharge port, 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 falling sand is ensured to be positioned in an interval surrounded by a water curtain 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 main water outlet channel is connected with the inlet end of the water pump in a sealing manner, the connecting seat is connected with an inner filter cover 15 in a sealing manner, an outer filter cover 16 and a separation cover 17 in a sealing manner, an inner water outlet cavity 18 is defined by the inner filter cover and the connecting seat, the separation cover is sleeved on the inner filter cover, an inlet cavity 19 is defined by the inner filter cover and the connecting seat, the outer filter cover is sleeved on the separation cover, an outer water outlet cavity 20 is defined by the outer filter cover and the connecting seat, an inner water outlet channel 57 for communicating the inner water outlet cavity with the main water outlet channel is arranged in the connecting seat, an outer water outlet channel for communicating the outer water outlet cavity with the main water outlet channel and an inlet channel for communicating the inlet cavity with the outside of the connecting seat are arranged in the connecting seat, and the 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 sealing 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, and 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 position closing the outlet section of the water outlet channel part, and the water inlet channel part outlet section is opened when the water inlet movable plug closes the inlet section of the water outlet channel part. Even when in use, when the outer filter cover is blocked to a set degree, the water outlet channel is closed, the water inlet 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 an inlet section of an outgoing water channel part, the driving block presses an inner outgoing water cavity backwater branch flow channel part plug, the inner outgoing water cavity backwater branch flow channel part plug contracts into an inner outgoing water cavity backwater branch flow channel part sliding hole, an inner outgoing water cavity backwater branch flow channel is closed, the movable plug is staggered with an outgoing water cavity backwater branch flow channel part plug, an outgoing water cavity backwater branch flow channel part communicating hole is communicated with parts, located on two sides of the outgoing water cavity backwater branch flow channel part plug, of an outgoing water cavity backwater branch flow channel, and water output by the water pump flows back into an outgoing water cavity at the moment so as to backwash and dredge the external 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; the movable plug part communication channel is internally provided with a one-way valve 39 which is opened towards the outside of the connecting seat. 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 ring gear 41 of outer filter mantle portion on the outer filter mantle, outer ring gear of outer filter mantle portion is connected with scrapes and removes outer filter mantle doctor-bar 42 of debris along the outer peripheral face of outer filter mantle that outer filter mantle axially extended, be equipped with in the inhalant canal through a plurality of inhalant canal portion blades 43 of rivers driven that flow through the inhalant canal, inhalant canal portion blade is connected on inhalant canal portion pivot 44, inhalant canal portion pivot is through the rotation of outer drive structure drive outer cover portion filtration ring gear of inhalant canal portion. 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 channel 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 (when filtering through 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 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 part, 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 flow flowing through a water outlet channel are arranged in the water outlet channel, and the water outlet flow channel portion blades are connected onto a water outlet flow channel portion 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 scraper are fixedly connected to the driving arm and the inner filter cover rotating ring respectively. 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 to move circumferentially on the outer peripheral surface of the inner filter cover by a related mechanism, 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a roll roller sand making machine that a section of thick bamboo can cool down rolls, which comprises a frame, the frame is provided with two crushing barrels and drive crushing barrel pivoted drive structure, crushing barrel is including rolling a section of thick bamboo and main shaft, roll the barrel casing establish and rotate connect in the main shaft, crushing barrel passes through the main shaft with the frame links together, and two are rolled to form between the section of thick bamboo and roll the clearance, and its characterized in that still includes water pump and seal structure's shell, two roll the section of thick bamboo and be located in the shell, the shell is equipped with discharge gate and feed inlet, 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 inputs two and rolls between the section of thick bamboo for treating the stone that rolls, be equipped with the cooling water in the shell and spout cooling water shower nozzle on the rolling a section of thick bamboo, the cooling water shower nozzle with the exit end of water pump is connected.

2. The roller mill capable of reducing the temperature of the grinding cylinder as claimed in claim 1, wherein the inlet end of the water pump is provided with a filtering structure, the filtering structure comprises a connecting seat, the connecting seat is provided with a main water outlet channel, the outlet end of the main water outlet channel is connected with the inlet end of the water pump in a sealing manner, the connecting seat is connected with an inner filtering cover, an outer filtering cover and a separating cover 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 a water inlet cavity, the connecting seat is provided with an inner water outlet channel for communicating the inner water outlet cavity with the main water outlet channel, an outer water outlet channel for communicating the outer 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, and the water inlet channel is opened when the outer water outlet channel is closed.

3. The roller compaction barrel coolable paired roller sand making machine according to claim 2, wherein the outer water outlet channel is provided with an outer water outlet channel part straight segment and an outer water outlet channel part inlet segment which are connected together in a broken line, the water inlet channel is provided with a water inlet channel part straight segment and a water inlet channel part outlet segment which are connected together in a broken line, the outer water outlet channel part straight segment and the water inlet channel part straight segment are positioned on a straight line, the outer water outlet channel part straight segment and the water inlet channel part straight segment are communicated through a straight 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.

4. The roller compaction drum cooling pair roller sand making machine according to claim 2 or 3, wherein the outer filter mantle is cylindrical, filter holes on the outer filter mantle are only arranged on the peripheral wall of the outer filter mantle, an outer filter mantle outer gear ring is sleeved on the outer filter mantle, the outer filter mantle outer gear ring is connected with an outer filter mantle scraping blade which extends along the axial direction of the outer filter mantle and scrapes the outer peripheral surface of the outer filter mantle to remove impurities, a plurality of water inlet channel part blades which are driven by water flowing through the water inlet channel are arranged in the water inlet channel, the water inlet channel part blades are connected to a water inlet channel part rotating shaft, and the water inlet channel part rotating shaft drives the outer filter mantle outer gear ring to rotate through an outer driving structure.

5. The roller compaction roller pair sand making machine capable of cooling according to claim 4, wherein 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 bevel gear connected with the other end of the wheel shaft and a driving bevel gear meshed with the driven bevel gear, the wheel shaft is rotatably connected to a connecting bearing on the connecting seat, and the driving bevel gear is connected with a rotating shaft of the water inlet channel part.

6. The roller compaction drum cooling pair roller sand making machine according to claim 5, wherein the outer filter cover is sleeved with outer filter cover rotating rings, the outer filter cover outer gear ring and the outer filter cover rotating rings are positioned at two axial ends of the outer filter cover, and two ends of the outer filter cover scraper are respectively fixedly connected to the outer filter cover outer gear ring and the outer filter cover rotating rings.

7. The roller pair sand making machine with the roller compaction drum capable of cooling according to claim 2 or 3, wherein the inner filter cover is cylindrical, the filter holes in the inner filter cover are only arranged on the peripheral wall of the inner filter cover, an inner rotating shaft is arranged in the inner filter cover in a penetrating manner, one end of the inner rotating shaft is arranged on the end wall of the inner filter cover in a penetrating manner 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 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 impurities, a plurality of water outlet flow passage part blades driven by water flowing through the water outlet passage are arranged in the outer water outlet passage part, the water outlet flow passage part blades are connected to the rotating shaft, a driving gear is arranged on the water outlet flow passage part, and a second bevel gear meshed with the driving second bevel gear is arranged on the inner rotating shaft.

8. The roller compaction roller pair sand making machine capable of cooling the roller compaction cylinder as claimed in claim 7, wherein the inner filter cover is sleeved with inner filter cover rotating rings, the driving arm and the inner filter cover rotating rings are located at two axial ends of the outer filter cover, and two ends of the inner filter cover scraping blade are respectively and fixedly connected to the driving arm and the inner filter cover rotating rings.