CN117563750B - Centralized dust collector of environment-friendly machine-made sand production line - Google Patents
Centralized dust collector of environment-friendly machine-made sand production line Download PDFInfo
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- CN117563750B CN117563750B CN202410058263.1A CN202410058263A CN117563750B CN 117563750 B CN117563750 B CN 117563750B CN 202410058263 A CN202410058263 A CN 202410058263A CN 117563750 B CN117563750 B CN 117563750B
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- sand
- cavity
- dust removal
- dust removing
- dust
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- 239000000428 dust Substances 0.000 title claims abstract description 113
- 239000004576 sand Substances 0.000 title claims abstract description 100
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 121
- 239000002245 particle Substances 0.000 claims abstract description 48
- 239000004744 fabric Substances 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000008187 granular material Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 19
- 239000010687 lubricating oil Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 230000020347 spindle assembly Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible 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
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Disintegrating Or Milling (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the technical field of sand making and dust removing, and discloses a centralized dust removing device of an environment-friendly machine-made sand production line, which comprises a mounting frame, wherein a sand making machine is mounted on the mounting frame, a large particle material cavity and a sand outlet cavity are mounted at the output end of the sand making machine, a dust removing box is further mounted on the mounting frame, a dust removing cloth bag is mounted in the dust removing box, an air suction pipeline is mounted at the input end of the dust removing cloth bag, the end part of the air suction pipeline, which is far away from the dust removing cloth bag, is communicated with the interiors of the large particle material cavity and the sand outlet cavity, and a negative pressure fan is mounted on the dust removing box; according to the invention, the dredging unit continuously acts to change the movement path of the crushed material stones and apply dispersion force to the material stones, so that the relative positions and gaps between the stones are continuously changed, the stones are prevented from being clamped between the inner walls of the cavity to form stable support, the stable state of the stones is broken, the dust removal passage is ensured to be always in a dredging state in the dust removal process, and the dust removal efficiency and effect are improved.
Description
Technical Field
The invention relates to the field of sand making and dust removing, in particular to a centralized dust removing device for an environment-friendly machine-made sand production line.
Background
The machine-made sand aggregate is prepared by crushing by a stone crusher, and a large amount of micro dust adhered to the surface of the aggregate is often generated in the traditional machine-made sand aggregate preparation process, and the granularity is about below 0.075 mm. During discharging and transporting, a large amount of dust is generated, so that the production environment is seriously polluted;
at present, in the production process of the machine-made sand, dust is mainly treated by adopting cloth bag dust collection, electric dust collection and other modes, so that dust on the surface of aggregate of the machine-made sand can be partially removed, and the generation amount of the dust is reduced; wherein bag dust collection is the most common dust collection mode of a machine-made sand production line in the current market; the air inlet of the dust removing box for cloth bag dust collection is communicated with the large particle material cavity of the sand making machine and the sand outlet cavity of the finished sand, a dust removing and air exhausting passage is formed between the large particle material cavity and the sand outlet cavity, then negative pressure is generated through a negative pressure fan, dust-carrying air is sucked into the dust removing box and filtered and adsorbed by the dust removing cloth bag, and therefore dust of the air is removed.
However, the dust removing mode has certain defects, for example, the size and shape of broken raw material stones are different, although the sand making machine separates stones with certain specification by arranging two areas of a large particle material cavity and a sand outlet cavity, in order to ensure the dust removing effect, the air inlet of the dust removing box is still communicated with the large particle material cavity and the sand outlet cavity, and the stones passing through the sieve are discharged from the discharge holes of the large particle material cavity and the sand outlet cavity under the action of gravity, but the downward moving speeds of stones with different sizes are different and limited by the discharge holes, the stones with different sizes are contacted with each other and abutted against the side wall of the cavity, so that a force expanding and supporting to the surrounding ores is provided, the stones are clamped in the cavity, and along with continuous blanking of the stones, a stable layer is formed between the stones and the inner wall of the cavity easily, and the stable layer can separate an air inlet of the dust removing box and an air suction passage formed between the large particle material cavity of the sand making machine and the sand outlet cavity of the finished sand, so that air carried in the sand making machine cannot enter the dust removing box to be adsorbed and the dust removing box, and the dust removing efficiency and the effect are affected.
Disclosure of Invention
The invention provides a centralized dust removal device for an environment-friendly machine-made sand production line, which solves the technical problems that broken stones are blocked in a discharge channel, a dust removal passage is blocked, and the dust removal effect is affected in the related art.
The invention provides a centralized dust removing device of an environment-friendly machine-made sand production line, which comprises a mounting frame, wherein a sand making machine is mounted on the mounting frame, a large particle material cavity and a sand outlet cavity are mounted at the output end of the sand making machine, the large particle material cavity is used for storing materials which are processed in the mounting frame and do not meet the screen standard, the sand outlet cavity is used for storing materials which are processed in the mounting frame and meet the screen standard, the output ends of the large particle material cavity and the sand outlet cavity are both provided with discharge ports, a dust removing box is further mounted on the mounting frame, a dust removing cloth bag is mounted in the dust removing box, an air suction pipeline is mounted at the input end of the dust removing cloth bag, the end of the air suction pipeline, which is far away from the dust removing cloth bag, is communicated with the large particle material cavity and the interior of the sand outlet cavity, a dust removing passage is formed among the large particle material cavity, the sand outlet cavity and the air suction pipeline, a negative pressure fan is mounted on the dust removing box, and the negative pressure fan is used for generating negative pressure in the dust removing passage, so that air in the large particle material cavity and the sand outlet cavity is pumped into the dust removing box;
the dredging units are respectively arranged in the inner cavities of the large-particle material cavity and the sand outlet cavity, each dredging unit is a fluctuation mechanism, each fluctuation mechanism comprises a fluctuation rod and a power mechanism, the output end of each power mechanism is connected with each fluctuation rod, and each power mechanism is used for driving each fluctuation rod to swing in the inner cavity of the large-particle material cavity or the sand outlet cavity.
In a preferred embodiment, the fluctuation mechanism further comprises a material guide plate fixedly arranged on the inner wall of the large particle material cavity or the sand outlet cavity, the fluctuation rod is hinged to the material guide plate, the part of the fluctuation rod positioned in the material guide plate is a handle part, the power mechanism is an eccentric wheel capable of rotating, and the outer peripheral side of the eccentric wheel is connected with the handle part.
In a preferred embodiment, the surface of the wave rod outside the guide plate is provided with a plurality of expansion bags, and the interior of the expansion bags is communicated with a gas source.
In a preferred embodiment, the guide plate is internally provided with an air bag, the wave rod is internally provided with a gas channel, two ends of the gas channel are respectively communicated with the air bag and the expansion bag, and when the handle part compresses the air bag, the expansion bag expands.
In a preferred embodiment, the dredging unit is a distributing mechanism, and the distributing mechanism comprises a rotating shaft II which can rotate, and a plurality of distributing plates of arrays are arranged on the rotating shaft II.
In a preferred embodiment, the sand making machine comprises a shell, a hopper is arranged on the shell, a buffer feed inlet is formed in the bottom of the hopper, a reaction lining plate is arranged on the inner wall of the shell, a main shaft assembly is arranged in the shell and used for rotating and throwing materials to the reaction lining plate, a conical screen is further arranged on the inner wall of the shell and positioned below the reaction lining plate, the conical screen is used for screening broken materials into large-particle materials and finished sand, and the upper side and the lower side of the conical screen are respectively communicated with a large-particle material cavity and a sand outlet cavity.
In a preferred embodiment, the spindle assembly comprises a shaft sleeve, the shaft sleeve is arranged in the shell, a vertical shaft is coaxially arranged in the shaft sleeve, a bearing is arranged between the vertical shaft and the shaft sleeve, a material throwing disc is arranged at the top of the vertical shaft, the material throwing disc is opposite to the buffering feed inlet, and a conical head is arranged in the material throwing disc.
In a preferred embodiment, an oil duct is formed in the shaft sleeve, an oil inlet and an oil outlet are also formed in the shaft sleeve, and two ends of the oil duct are respectively communicated with the oil inlet and the oil outlet.
In a preferred embodiment, a motor is installed on the mounting frame, the output end of the motor is connected with a first belt pulley, a second belt pulley is installed at the end, far away from the throwing disc, of the vertical shaft, the first belt pulley is in transmission connection with the second belt pulley, a dust removal fan impeller is also installed in the dust removal box, a third belt pulley is installed on the output shaft of the dust removal fan impeller, and the third belt pulley is also in transmission connection with the first belt pulley.
In a preferred embodiment, the conical screen comprises an upper conical screen and a lower conical screen which are distributed up and down, the bottom of the upper conical screen is connected with the top of the lower conical screen, the lower conical screen is fixedly arranged on the inner wall of the shell, and the upper conical screen is detachably arranged on the upper and lower conical screens on the inner wall of the shell.
The invention has the beneficial effects that: according to the invention, the dredging unit continuously acts to change the movement path of the crushed material stones and apply dispersion force to the material stones, so that the relative positions and gaps between the stones are continuously changed, the stones are prevented from being clamped between the inner walls of the cavity to form stable support, the stable state of the stones is broken, the dust removal passage is ensured to be always in a dredging state in the dust removal process, and the dust removal efficiency and effect are improved.
Drawings
FIG. 1 is a schematic diagram of a sand making machine with a wave mechanism according to the present invention.
FIG. 2 is a schematic structural view of the sand making machine provided with the material distributing mechanism.
Fig. 3 is a schematic top view of the dust removing box of the present invention.
Fig. 4 is a schematic side view of the dust removing box of the present invention.
Fig. 5 is an enlarged schematic view of the structure of fig. 2 a according to the present invention.
Fig. 6 is a schematic structural view of the wave mechanism of the present invention.
FIG. 7 is a schematic structural view of a wave mechanism installed in the large particle material chamber and the sand outlet chamber of the present invention.
Fig. 8 is a schematic structural view of the spindle assembly of the present invention.
Fig. 9 is a schematic view of the structure of the conical screen of the present invention.
In the figure: 1. a mounting frame; 11. a motor; 12. a first belt pulley; 13. a belt pulley II; 2. a sand making machine; 21. a hopper; 22. buffering the feed inlet; 23. a spindle assembly; 231. a shaft sleeve; 232. a vertical axis; 233. a bearing; 234. an oil passage; 235. an oil inlet; 236. an oil outlet; 237. a material throwing disc; 238. a conical head; 24. countering the lining board; 25. conical screen; 251. a conical screen is arranged; 252. a lower conical screen; 3. a large particle material cavity; 4. a sand outlet cavity; 5. a dust removal box; 51. a dust removing cloth bag; 52. an air suction pipe; 53. a gas storage tank; 54. a pulse valve; 55. a belt pulley III; 56. a dust removal fan impeller; 6. a wave mechanism; 61. a material guide plate; 62. a wave lever; 621. a handle portion; 63. an eccentric wheel; 64. an inflation bladder; 65. an air bag; 66. a first rotating shaft; 7. a material distributing mechanism; 71. a second rotating shaft; 72. and a material separating plate.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
As shown in fig. 1-9, an environment-friendly machine-made sand production line centralized dust collector comprises a mounting frame 1, a sand making machine 2 is mounted on the mounting frame 1, a large particle material cavity 3 and a sand outlet cavity 4 are mounted at the output end of the sand making machine 2, the large particle material cavity 3 is used for storing materials which are processed in the mounting frame 1 and do not meet the screen standard, the sand outlet cavity 4 is used for storing materials which are processed in the mounting frame 1 and meet the screen standard, the output ends of the large particle material cavity 3 and the sand outlet cavity 4 are respectively provided with a discharge hole, a dust removal box 5 is mounted on the mounting frame 1, a dust removal cloth bag 51 is mounted in the dust removal box 5, an air suction pipeline 52 is mounted at the input end of the dust removal cloth bag 51, a dust removal passage is formed between the end of the air suction pipeline 52, which is far away from the dust removal cloth bag 51, and the interiors of the large particle material cavity 3 and the sand outlet cavity 4, and the air suction pipeline 52, a negative pressure fan is mounted on the dust removal box 5, and the negative pressure fan is used for generating negative pressure for the dust removal passage, so that air inside the large particle material cavity 3 and the sand outlet cavity 4 is sucked into the dust removal box 5; the motor 11 is installed on the mounting frame 1, the output end of the motor 11 is connected with the belt pulley I12, the belt pulley II 13 is installed at the end of the vertical shaft 232 far away from the throwing disc 237, the belt pulley I12 is in transmission connection with the belt pulley II 13, the dust removal box 5 is also provided with the dust removal fan impeller 56, the belt pulley III 55 is installed on the output shaft of the dust removal fan impeller 56, and the belt pulley III 55 is also in transmission connection with the belt pulley I12.
The inner cavities of the large-particle material cavity 3 and the sand outlet cavity 4 are respectively provided with a dredging unit, the dredging units are a fluctuation mechanism 6, the fluctuation mechanism 6 comprises a fluctuation rod 62 and a power mechanism, the output end of the power mechanism is connected with the fluctuation rod 62, and the power mechanism is used for driving the fluctuation rod 62 to swing in the inner cavity of the large-particle material cavity 3 or the sand outlet cavity 4.
It should be noted that, the sand making machine 2 makes the input material into the crushed material, and the crushed material is separated into large-particle material and finished sand through screening, wherein the material meeting the screen standard is the finished sand, the material not meeting the screen standard is the large-particle material, and the large-particle material is recycled and can be input into the sand making machine 2 again.
It should be further noted that, the output ends of the large granule material cavity 3 and the sand outlet cavity 4 are provided with discharge ports, so as to store a part of materials and then discharge the materials, thereby avoiding continuous discharge and overload of subsequent conveying equipment; and the position that the suction pipeline 52 communicates with the large-particle material cavity 3 and the sand outlet cavity 4 is positioned near the bottom of the cavity, mainly because dust can still be generated after the material collides with the bottom of the cavity, if the position of the input end of the suction pipeline 52 is arranged at a higher position in the cavity, the dust at the bottom is not easy to be sucked.
In this embodiment, the implementation scenario specifically includes: when the belt pulley III 55 of the dust removal box 5 rotates, the dust removal fan impeller 56 is driven to rotate at a high speed, negative pressure is generated under the centrifugal action of the dust removal fan impeller 56, and the finished sand and dust in the large-particle materials are sucked into the dust removal box 5 through the suction pipeline 52 connected with the sand outlet, and the dust is adsorbed on the dust removal cloth bag 51 after entering; the dust removing box 5 is also provided with a gas storage tank 53, the gas inlet pipeline of the gas storage tank 53 is opened at intervals under the control of a pulse valve 54, and the dust adsorbed on the dust removing cloth bag 51 is blown off by using rapid strong air pressure and falls to the bottom of the dust removing box 5, and is recovered and collected through the dust outlet of the dust removing box 5;
after the dust removal passage is blocked in the large-particle material cavity 3 or the sand outlet cavity 4 due to material accumulation, the power mechanism is always started in the dust removal process through the fluctuation mechanism 6 of the dredging unit, and drives the fluctuation rod 62 to swing crazy in the large-particle material cavity 3 or the sand outlet cavity 4, so that the accumulated materials are stirred, the materials are prevented from reaching force balance in a static state, and the dust removal passage is blocked on the inner wall of the cavity.
The fluctuation mechanism 6 further comprises a material guide plate 61, the material guide plate 61 is fixedly arranged on the inner wall of the large particle material cavity 3 or the sand outlet cavity 4, the fluctuation rod 62 is hinged to the material guide plate 61, the part of the fluctuation rod 62 in the material guide plate 61 is a handle part 621, the power mechanism is an eccentric wheel 63 capable of rotating, and the outer peripheral side of the eccentric wheel 63 is connected with the handle part 621.
It should be noted that, the wave mechanism 6 further includes a first rotating shaft 66, and the first rotating shaft 66 is in transmission connection with the shaft end of the eccentric 63, and in the present invention, a pulley transmission connection mode is adopted.
The surface of the wave rod 62 outside the guide plate 61 is provided with a plurality of expansion bags 64, and the inside of the expansion bags 64 is communicated with an air source.
The expansion bladder 64 with increased expansion can increase the contact surface with the stacked material, and improve the driving effect on the stacked material.
The balloon 65 is installed in the guide plate 61, a gas passage is provided in the fluctuation rod 62, both ends of the gas passage are respectively communicated with the balloon 65 and the expansion balloon 64, and when the balloon 65 is compressed by the handle portion 621, the expansion balloon 64 is expanded.
When the upper portion of the wave lever 62 swings upward along the hinge, the handle portion 621 of the wave lever 62 presses the airbag 65, and when the airbag 65 is compressed, the inflation bag 64 is inflated, thereby realizing automatic control of the inflation bag 64.
The dredging unit is a distributing mechanism 7, the distributing mechanism 7 comprises a rotating shaft II 71 capable of rotating, and a plurality of distributing plates 72 are arranged on the rotating shaft II 71.
It should be noted that, one end of the second rotating shaft 71 is connected with a motor to realize the rotation of the distributing plate 72, so that the materials clamped in the large particle material cavity 3 and the sand outlet cavity 4 are changed from a static state to a moving state, so as to remove the balanced blocking state of the materials.
The sand making machine 2 comprises a shell, wherein a hopper 21 is arranged on the shell, a buffer feed inlet 22 is formed in the bottom of the hopper 21, a reaction lining plate 24 is arranged on the inner wall of the shell, a main shaft assembly 23 is arranged in the shell, the main shaft assembly 23 is used for rotating and throwing materials onto the reaction lining plate 24, a conical screen 25 is further arranged on the inner wall of the shell, the conical screen 25 is arranged below the reaction lining plate 24, the conical screen 25 is used for screening broken materials into large-particle materials and finished sand, and the upper side and the lower side of the conical screen 25 are respectively communicated with the large-particle material cavity 3 and the sand outlet cavity 4.
The working principle of the sand making machine 2 is as follows: lifting the material to the top end, pouring the material onto the hopper 21, falling the material into the buffer feed inlet 22, uniformly blanking the material from the middle of the buffer feed inlet 22 onto a throwing disc 237 inside the shell, connecting the throwing disc 237 on a vertical shaft 232, installing a belt pulley II 13 below the vertical shaft 232, connecting the end of the belt pulley II 13 with a belt pulley I12 connected with a motor 11 through a V-belt, and connecting the other side with a belt pulley III 55 of a dust removal box 5 through a V-belt. When the motor 11 rotates, the second belt pulley 13 driving the vertical shaft 232 and the third belt pulley 55 driving the dust removing box 5 rotate together. The vertical shaft 232 drives the material throwing disc 237 to rotate at a high speed, and materials falling into the material throwing disc 237 are thrown out at a high speed under the action of centrifugal force. After the material is thrown out, the material is impacted on a reaction lining plate 24 circumferentially arranged on the inner wall of the shell, and the material is crushed by huge impact force. After impact crushing, the material falls under gravity onto the lower conical screen 25. The materials falling onto the screen mesh flow downwards from top to bottom along the conical gradient, sand meeting the specification of the screen mesh in the process falls from the screen mesh, falls into the sand outlet cavity 4 to be accumulated, and finally flows out through a discharge hole of the sand outlet cavity 4. And (3) stacking the qualified sand which does not meet the specification of the sieve holes and is less in non-screened quality in the large-particle material cavity 3 which falls to the bottom along the conical gradient, and finally flowing out from a discharge hole of the large-particle material cavity 3.
The main shaft assembly 23 comprises a shaft sleeve 231, the shaft sleeve 231 is arranged in the shell, a vertical shaft 232 is coaxially arranged in the shaft sleeve 231, a bearing 233 is arranged between the vertical shaft 232 and the shaft sleeve 231, a material throwing disc 237 is arranged at the top of the vertical shaft 232, the material throwing disc 237 is opposite to the buffering feeding hole 22, and a conical head 238 is arranged in the material throwing disc 237;
an oil duct 234 is arranged in the shaft sleeve 231, an oil inlet 235 and an oil outlet 236 are also arranged on the shaft sleeve 231, and two ends of the oil duct 234 are respectively communicated with the oil inlet 235 and the oil outlet 236.
It should be noted that, the bearing 233 of the vertical shaft 232 is lubricated by thin oil, the lubricating oil is pumped out from the lubricating oil tank, enters through the oil inlet 235 at the lower end of the shaft sleeve 231, flows upward to the upper bearing 233 end along the inner oil duct 234 of the shaft sleeve 231, flows from the central shaft hole of the shaft sleeve 231 to the lower bearing 233 end, flows out from the oil outlet 236, returns to the lubricating oil tank, and in the process, the lubricating oil brings heat generated by partial rotation of the bearing 233 back to the lubricating oil tank for cooling, so that the lubricating oil is continuously circulated to lubricate and cool the bearing 233.
The conical screen 25 comprises an upper conical screen 251 and a lower conical screen 252 which are distributed up and down, the bottom of the upper conical screen 251 is connected with the top of the lower conical screen 252, the lower conical screen 252 is fixedly arranged on the inner wall of the shell, and the upper conical screen 251 is detachably arranged on the upper and lower conical screens 252 on the inner wall of the shell.
It should be noted that, the conical screen 25 is divided into an upper portion and a lower portion, and the upper conical screen 251 of the upper portion is impacted by the material, so that the abrasion is faster, the detachable connection mode is convenient to replace, and specifically, the detachable connection mode can be connected by bolts.
The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.
Claims (7)
1. The utility model provides a dust collector is concentrated to environment-friendly mechanism sand production line, a serial communication port, including mounting bracket (1), install sand making machine (2) on mounting bracket (1), big granule material chamber (3) and play sand chamber (4) are installed to the output of sand making machine (2), big granule material chamber (3) are arranged in storing the material that does not accord with the screen cloth standard of processing in mounting bracket (1), go out sand chamber (4) and are arranged in storing the material that accords with the screen cloth standard of processing in mounting bracket (1), just the discharge gate has all been seted up to the output of big granule material chamber (3) and play sand chamber (4), still install dust removal case (5) on mounting bracket (1), the internally mounted of dust removal case (5) has dust removal sack (51), air suction pipeline (52) are installed to the input of dust removal sack (51), the tip that dust removal sack (51) were kept away from in dust removal sack (51) and big granule material chamber (3) and play sand chamber (4) inside intercommunication, big granule material chamber (3), play sand chamber (4) are arranged in the negative pressure between dust removal pipeline (4) and the negative pressure air suction fan (5) are arranged in the dust removal passageway (5), air in the large particle material cavity (3) and the sand outlet cavity (4) is pumped into the dust removing box (5);
the large-particle sand discharging device is characterized in that dredging units are arranged in the inner cavities of the large-particle material cavity (3) and the sand discharging cavity (4), the dredging units are fluctuation mechanisms (6), each fluctuation mechanism (6) comprises a fluctuation rod (62) and a power mechanism, the output end of each power mechanism is connected with the corresponding fluctuation rod (62), and each power mechanism is used for driving the corresponding fluctuation rod (62) to swing in the inner cavity of the large-particle material cavity (3) or the inner cavity of the sand discharging cavity (4);
the fluctuation mechanism (6) further comprises a material guide plate (61), the material guide plate (61) is fixedly arranged on the inner wall of the large-particle material cavity (3) or the sand outlet cavity (4), the fluctuation rod (62) is hinged to the material guide plate (61), the part of the fluctuation rod (62) positioned in the material guide plate (61) is a handle part (621), the power mechanism is an eccentric wheel (63) capable of rotating, and the outer peripheral side of the eccentric wheel (63) is connected with the handle part (621);
the surface of the fluctuation rod (62) positioned outside the guide plate (61) is provided with a plurality of expansion bags (64), and the inside of the expansion bags (64) is communicated with an air source;
an air bag (65) is arranged in the guide plate (61), a gas channel is formed in the fluctuation rod (62), two ends of the gas channel are respectively communicated with the air bag (65) and an expansion bag (64), and when the handle part (621) compresses the air bag (65), the expansion bag (64) expands;
the fluctuation mechanism (6) further comprises a first rotating shaft (66), and the first rotating shaft (66) is in transmission connection with the shaft end of the eccentric wheel (63);
the expansion bag (64) with the enlarged expansion increases the contact surface with the piled materials, and improves the driving effect on the piled materials;
when the upper part of the fluctuation rod (62) swings upwards along the hinge, the handle part (621) of the fluctuation rod (62) presses the air bag (65), and when the air bag (65) is compressed, the expansion bag (64) is inflated, so that the automatic control of the expansion bag (64) is realized.
2. The centralized dust removal device for the environment-friendly machine-made sand production line according to claim 1, wherein the dredging unit is a distributing mechanism (7), the distributing mechanism (7) comprises a rotating shaft II (71) capable of rotating, and a plurality of arrayed distributing plates (72) are arranged on the rotating shaft II (71).
3. The centralized dust collector of an environment-friendly machine-made sand production line according to claim 1 or 2, wherein the sand making machine (2) comprises a shell, a hopper (21) is installed on the shell, a buffer feed inlet (22) is formed in the bottom of the hopper (21), a reaction lining plate (24) is installed on the inner wall of the shell, a main shaft assembly (23) is installed in the interior of the shell, the main shaft assembly (23) is used for rotating and throwing materials onto the reaction lining plate (24), a conical screen (25) is further installed on the inner wall of the shell, the conical screen (25) is located below the reaction lining plate (24), the conical screen (25) is used for screening broken materials into large-particle materials and finished sand, and the upper side and the lower side of the conical screen (25) are respectively communicated with a large-particle material cavity (3) and a sand outlet cavity (4).
4. A dust collector in environment-friendly machine-made sand production line according to claim 3, characterized in that, main shaft assembly (23) includes axle sleeve (231), axle sleeve (231) is installed in the casing, just inside coaxial mounting of axle sleeve (231) has vertical axle (232), just install bearing (233) between vertical axle (232) and axle sleeve (231), throw charging tray (237) are installed at the top of vertical axle (232), throw charging tray (237) and buffer feed inlet (22) are just right, just the internally mounted of throwing charging tray (237) has conical head (238).
5. The centralized dust collector of an environment-friendly machine-made sand production line according to claim 4, wherein an oil duct (234) is formed in the shaft sleeve (231), an oil inlet (235) and an oil outlet (236) are further formed in the shaft sleeve (231), and two ends of the oil duct (234) are respectively communicated with the oil inlet (235) and the oil outlet (236).
6. The centralized dust collector of an environment-friendly machine-made sand production line according to claim 5, wherein the motor (11) is installed on the installation frame (1), the output end of the motor (11) is connected with the belt pulley I (12), the belt pulley II (13) is installed at the end part of the vertical shaft (232) far away from the throwing disc (237), the belt pulley I (12) is in transmission connection with the belt pulley II (13), the dust removal fan impeller (56) is also installed in the dust removal box (5), the belt pulley III (55) is installed on the output shaft of the dust removal fan impeller (56), and the belt pulley III (55) is also in transmission connection with the belt pulley I (12).
7. The centralized dust collector of an environment-friendly machine-made sand production line as claimed in claim 6, wherein the conical screen (25) comprises an upper conical screen (251) and a lower conical screen (252) which are distributed up and down, the bottom of the upper conical screen (251) is connected with the top of the lower conical screen (252), the lower conical screen (252) is fixedly mounted on the inner wall of the shell, and the upper conical screen (251) is detachably mounted on the inner wall of the shell and the lower conical screen (252).
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