CN216323209U - Sand making screening plant - Google Patents
Sand making screening plant Download PDFInfo
- Publication number
- CN216323209U CN216323209U CN202122599776.8U CN202122599776U CN216323209U CN 216323209 U CN216323209 U CN 216323209U CN 202122599776 U CN202122599776 U CN 202122599776U CN 216323209 U CN216323209 U CN 216323209U
- Authority
- CN
- China
- Prior art keywords
- box body
- box
- screen
- sand
- fixedly arranged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model provides a sand making screening device which comprises a box body, wherein the top of the box body is provided with a feeding hole, and two supports are fixedly arranged on the inner walls of two sides of the box body; the feeding hopper is fixedly arranged at the top of the box body, and a feed opening at the bottom of the feeding hopper is matched with a feed hole at the top of the box body; the screen box is arranged in the box body, the top of the screen box is provided with an opening, and the bottom and one side of the screen box are both provided with feed openings; the screen is fixedly arranged on the inner wall of the screen box; and the vibration motor is fixedly arranged at the bottom of the screen box. The sand making screening device provided by the utility model has the advantages that when the sand material is screened, the negative pressure state can be always kept in the box body, the dust raised by vibration during screening of the sand material is prevented from floating to the external environment, and the pollution of the dust to the environment is effectively avoided.
Description
Technical Field
The utility model relates to the technical field of sand making, in particular to a sand making screening device.
Background
River sand is abused to destroy the ecological environment seriously, but sandstone is an indispensable raw material, and particularly, a large amount of sandstone is needed in the projects of buildings, roads, railways, water conservancy and the like. In order to meet the use requirement of the sandstone, the machine-made sand can be used for crushing ores into machine-made sand with certain granularity requirement so as to make up the gap of the sandstone. The machine-made sand has very wide application prospect and extremely high social, economic and environmental benefits. With the increasing requirements of dry-mixed mortar, concrete and the like on the quality of machine-made sand, the requirements of people on the sand making technology are also increased. Screening technology, one of the important technologies in producing machine-made sand, is second only to crushing technology.
The screening techniques for sand production are mainly classified into dry screening techniques and wet screening techniques. The traditional dry screening technology can cause a great amount of dust to overflow in the screening process, thereby seriously polluting the environment. The wet screening technology mainly uses water washing as a main material and has good screening effect, but fine sand in machine-made sand adopting a water washing screening mode has coarse fineness modulus and discontinuous gradation. And a large amount of water is needed for washing and screening, so that water resources are wasted, the environment is seriously polluted by sewage discharge, and the production cost is greatly increased by treating the sewage.
Therefore, there is a need to provide a new sand screening device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sand making screening device which can keep the negative pressure state in a box body all the time when screening sand materials, avoid dust raised by vibration from drifting to the external environment when screening the sand materials and effectively avoid the pollution of the dust to the environment.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a sand making screening device, which comprises: the box body is provided with a feeding hole at the top, and two supports are fixedly arranged on the inner walls of two sides of the box body; the feeding hopper is fixedly arranged at the top of the box body, and a feed opening at the bottom of the feeding hopper is matched with a feed hole at the top of the box body; the screen box is arranged in the box body, the top of the screen box is provided with an opening, and the bottom and one side of the screen box are both provided with feed openings; the screen is fixedly arranged on the inner wall of the screen box; the vibrating motor is fixedly arranged at the bottom of the screen box; the four fixed springs are all fixedly arranged at the bottom of the screen box, and the bottom ends of the four fixed springs are respectively and fixedly arranged on the four supports; the blanking mechanism is arranged on the box body; the switch adjusting mechanism is arranged in the box body; the negative pressure mechanism is arranged on the box body.
As a further proposal of the utility model, the blanking mechanism comprises a fine sand blanking hopper, a coarse sand blanking hopper, two blanking pipes, two hoses and two check valves, the fine sand discharging hopper is fixedly arranged at the bottom of the screen box and is matched with a discharging opening at the bottom of the screen box, the coarse sand discharging hopper is fixedly arranged on one side of the screen box and is matched with a discharging hole on one side of the screen box, mounting holes are formed in the two sides of the box body, the two blanking pipes are fixedly mounted on the inner walls of the two mounting holes respectively, the two hoses are fixedly sleeved at the bottom ends of the fine sand blanking hopper and the coarse sand blanking hopper respectively, and the bottom ends of the two hoses are respectively fixedly connected with the top ends of the two discharging pipes, and the two check valves are respectively and fixedly arranged on the inner walls of the two discharging pipes.
As a further scheme of the utility model, the switch adjusting mechanism comprises two baffles, two mounting plates and two push rod motors, wherein the two baffles are hinged on the inner wall of the top of the box body, the two baffles are positioned right below a feed hole in the top of the box body, the two mounting plates are fixedly mounted on the inner wall of the top of the box body, the two push rod motors are respectively hinged on one sides of the two mounting plates, which are close to each other, and output rods of the two push rod motors are respectively hinged with the bottoms of the two baffles.
As a further scheme of the utility model, the negative pressure mechanism comprises a negative pressure pump, an exhaust pipe and a filter screen, the negative pressure pump is fixedly installed on one side of the box body, the exhaust pipe is fixedly connected to an air inlet of the negative pressure pump, one end of the exhaust pipe is fixedly connected with one side of the box body, the filter screen is fixedly installed on the inner wall of one side of the box body, a communication hole is formed in one side of the box body, and the communication hole is matched with the exhaust pipe and the filter screen.
As a further scheme of the utility model, the exhaust pipe is provided with an electromagnetic valve and an air pressure gauge.
As a further scheme of the utility model, four corners of the bottom of the box body are fixedly provided with supporting legs.
The utility model provides a sand making screening device, which has the beneficial effects that:
through box, feeder hopper, sieve case, screen cloth, vibrating motor, fixed spring, unloading mechanism, on-off adjustment mechanism and negative pressure mechanism, can sieve the time-sharing to the sand material, make and remain negative pressure state throughout in the box to avoid in the dust that rises because of the vibration of sieve case and screen cloth wafts the external environment, avoided the pollution of dust to the environment effectively.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic structural view of a preferred embodiment of a sand making screening device provided by the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is an enlarged schematic view of the portion C shown in fig. 1.
Reference numbers in the figures: 1. a box body; 2. a feed hopper; 3. a screen box; 4. screening a screen; 5. a vibration motor; 6. fixing the spring; 7. feeding fine sand into a hopper; 8. a coarse sand discharging hopper; 9. a discharging pipe; 10. a hose; 11. a non-return valve; 12. a baffle plate; 13. mounting a plate; 14. a push rod motor; 15. a negative pressure pump; 16. an exhaust pipe; 17. and (5) filtering by using a filter screen.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 1 to 3, a sand making screening device provided by an embodiment of the present invention includes: the box body 1 is provided with a feeding hole at the top of the box body 1, and two supports are fixedly arranged on the inner walls of two sides of the box body 1; the feeding hopper 2 is fixedly arranged at the top of the box body 1, and a feed opening at the bottom of the feeding hopper 2 is matched with a feed hole at the top of the box body 1; the screen box 3 is arranged in the box body 1, the top of the screen box 3 is an opening, and the bottom and one side of the screen box 3 are both provided with feed openings; the screen 4 is fixedly arranged on the inner wall of the screen box 3; the vibration motor 5 is fixedly arranged at the bottom of the screen box 3; the four fixing springs 6 are all fixedly arranged at the bottom of the screen box 3, and the bottom ends of the four fixing springs 6 are respectively and fixedly arranged on the four supports; the blanking mechanism is arranged on the box body 1; the switch adjusting mechanism is arranged in the box body 1; and the negative pressure mechanism is arranged on the box body 1.
The blanking mechanism comprises a fine sand blanking hopper 7, a coarse sand blanking hopper 8, two blanking pipes 9, two hoses 10 and two check valves 11, wherein the fine sand blanking hopper 7 is fixedly arranged at the bottom of the screen box 3, the fine sand blanking hopper 7 is matched with a blanking port at the bottom of the screen box 3, the coarse sand blanking hopper 8 is fixedly arranged at one side of the screen box 3, the coarse sand blanking hopper 8 is matched with a blanking port at one side of the screen box 3, mounting holes are respectively formed at two sides of the box body 1, the two blanking pipes 9 are respectively and fixedly arranged on the inner walls of the two mounting holes, the two hoses 10 are respectively and fixedly sleeved at the bottom ends of the fine sand blanking hopper 7 and the coarse sand blanking hopper 8, the bottom ends of the two hoses 10 are respectively and fixedly connected with the top ends of the two blanking pipes 9, the two check valves 11 are respectively and fixedly arranged on the inner walls of the two blanking pipes 9, the fine sand and the coarse sand can be respectively discharged through the discharging mechanism, and the two discharging pipes 9 can be in a closed state before discharging, so that the interior of the box body 1 is kept in a negative pressure state.
Switch adjustment mechanism is including two baffles 12, two mounting panels 13 and two push rod motor 14, two baffle 12 all articulates on the top inner wall of box 1, and two baffle 12 all is located under the feed port at box 1 top, two the equal fixed mounting of mounting panel 13 is in on the top inner wall of box 1, two push rod motor 14 articulates respectively two one side that mounting panel 13 is close to each other, and two push rod motor 14's output pole respectively with two the bottom of baffle 12 is articulated, can adjust the unloading speed of feeder hopper 2 through switch adjustment mechanism to can make in advance and be in the negative pressure state in box 1 before the unloading of feeder hopper 2.
Negative pressure machine constructs including negative pressure pump 15, blast pipe 16 and filter screen 17, negative pressure pump 15 fixed mounting be in one side of box 1, 16 fixed connection of blast pipe are in on negative pressure pump 15's the air inlet, blast pipe 16 one end with one side fixed connection of box 1, filter screen 17 fixed mounting be in on one side inner wall of box 1, the intercommunicating pore has been seted up to one side of box 1, the intercommunicating pore with blast pipe 16 with filter screen 17 homogeneous phase adaptation makes and is in the negative pressure state through the partial gas in the negative pressure machine structure can draw out box 1.
An electromagnetic valve and an air pressure gauge are arranged on the exhaust pipe 16, the electromagnetic valve can be used for closing the exhaust pipe 16 after the negative pressure pump 15 works, so that the interior of the box body 1 is kept in a negative pressure state, and the air pressure in the box body 1 can be displayed in real time through the air pressure gauge.
The bottom four corners position of box 1 all fixed mounting have the supporting leg.
The working principle of the sand making screening device provided by the utility model is as follows:
when the device is used, on the premise that the two baffles 12 close the feeding hole at the top of the box body 1, sand materials produced by a sand making machine are continuously fed into the feeding hopper 2, the electromagnetic valve on the exhaust pipe 16 is opened, the negative pressure pump 15 is opened, part of air in the box body 1 is pumped out through the exhaust pipe 16, a negative pressure state is formed in the box body 1, the air pressure in the box body 1 is displayed through the barometer on the exhaust pipe 16, and the electromagnetic valves on the negative pressure pump 15 and the exhaust pipe 16 are closed;
when enough sand materials are added into the feed hopper 2, the two push rod motors 14 are started to shorten the output rods, the two baffle plates 12 are driven to rotate, the feed hole at the top of the box body 1 is opened, the sand materials in the feed hopper 2 begin to fall into the box body 1, the feeding into the feed hopper 2 is continued, and the feeding is started; the two push rod motors 14 enable the feeding speed of the feeding hopper 2 to be approximately equal to the feeding speed of the feeding hopper 2 to the box body 1;
the sand falling from the feeding hole at the top of the box body 1 falls onto the screen mesh 4 in the screen box 3, the vibration motor 5 is started, the vibration motor 5 vibrates the screen box 3, the fine sand on the screen mesh 4 falls from the screen mesh of the screen mesh 4 to the bottom of the screen box 3, and enters the corresponding discharging pipe 9 from the fine sand discharging hopper 7 at the bottom of the screen box 3 through the corresponding hose 10, while the larger-particle sand on the screen mesh 4 cannot pass through the screen mesh, moves downwards along the inclined screen mesh 4 on the screen mesh 4, enters the corresponding discharging pipe 9 from the coarse sand discharging hopper 8 at one side of the screen box 3 through the corresponding hose 10, and after the sand in the two discharging pipes 9 falls onto the check valve 11, the check valve 11 is forced to open due to the gravity of the sand, the sand in the two discharging pipes 9 are respectively discharged, so as to separate the fine sand and coarse sand in the sand;
when vibrating motor 5 shakes sieve case 3 and screen cloth 4, can raise the dust, because be in the negative pressure state in box 1, the dust of raising can not fly away to box 1 outward, and judge whether need start according to the numerical value of barometer and open solenoid valve and negative pressure pump 15 and outwards take out the air in box 1, thereby keep the negative pressure state in the box 1, avoid flying to the external environment because of the dust of the vibration raise of sieve case 3 and screen cloth 4, the pollution of dust to the environment has been avoided effectively.
Compared with the related art, the sand making screening device provided by the utility model has the following beneficial effects:
the utility model provides a sand making screening device, which can keep a negative pressure state in a box body 1 all the time when screening sand materials through the box body 1, a feed hopper 2, a screen box 3, a screen 4, a vibration motor 5, a fixed spring 6, a blanking mechanism, a switch adjusting mechanism and a negative pressure mechanism, thereby preventing dust raised by the vibration of the screen box 3 and the screen 4 from floating to the external environment and effectively avoiding the pollution of the dust to the environment.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (6)
1. A system sand screening plant which characterized in that includes:
the box body is provided with a feeding hole at the top, and two supports are fixedly arranged on the inner walls of two sides of the box body;
the feeding hopper is fixedly arranged at the top of the box body, and a feed opening at the bottom of the feeding hopper is matched with a feed hole at the top of the box body;
the screen box is arranged in the box body, the top of the screen box is provided with an opening, and the bottom and one side of the screen box are both provided with feed openings;
the screen is fixedly arranged on the inner wall of the screen box;
the vibrating motor is fixedly arranged at the bottom of the screen box;
the four fixed springs are all fixedly arranged at the bottom of the screen box, and the bottom ends of the four fixed springs are respectively and fixedly arranged on the four supports;
the blanking mechanism is arranged on the box body;
the switch adjusting mechanism is arranged in the box body;
the negative pressure mechanism is arranged on the box body.
2. The sand-making screening device according to claim 1, wherein the discharging mechanism comprises a fine sand discharging hopper, a coarse sand discharging hopper, two discharging pipes, two hoses and two check valves, the fine sand discharging hopper is fixedly arranged at the bottom of the screen box and is matched with a discharging opening at the bottom of the screen box, the coarse sand discharging hopper is fixedly arranged on one side of the screen box and is matched with a discharging hole on one side of the screen box, mounting holes are formed in the two sides of the box body, the two blanking pipes are fixedly mounted on the inner walls of the two mounting holes respectively, the two hoses are fixedly sleeved at the bottom ends of the fine sand blanking hopper and the coarse sand blanking hopper respectively, and the bottom ends of the two hoses are respectively fixedly connected with the top ends of the two discharging pipes, and the two check valves are respectively and fixedly arranged on the inner walls of the two discharging pipes.
3. The sand making screening device according to claim 1, wherein the switch adjusting mechanism comprises two baffles, two mounting plates and two push rod motors, the two baffles are hinged to the inner wall of the top of the box body and located right below the feeding hole in the top of the box body, the two mounting plates are fixedly mounted to the inner wall of the top of the box body, the two push rod motors are respectively hinged to one side, close to each other, of the two mounting plates, and output rods of the two push rod motors are respectively hinged to bottoms of the two baffles.
4. The sand making and screening device as claimed in claim 1, wherein the negative pressure mechanism comprises a negative pressure pump, an exhaust pipe and a filter screen, the negative pressure pump is fixedly installed on one side of the box body, the exhaust pipe is fixedly connected to an air inlet of the negative pressure pump, one end of the exhaust pipe is fixedly connected with one side of the box body, the filter screen is fixedly installed on the inner wall of one side of the box body, a communication hole is formed in one side of the box body, and the communication hole is matched with the exhaust pipe and the filter screen.
5. A sand making screening device as claimed in claim 4, wherein the exhaust pipe is provided with a solenoid valve and a pressure gauge.
6. The sand-making screening device according to claim 1, wherein supporting legs are fixedly mounted at four corners of the bottom of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122599776.8U CN216323209U (en) | 2021-10-28 | 2021-10-28 | Sand making screening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122599776.8U CN216323209U (en) | 2021-10-28 | 2021-10-28 | Sand making screening plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216323209U true CN216323209U (en) | 2022-04-19 |
Family
ID=81129895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122599776.8U Active CN216323209U (en) | 2021-10-28 | 2021-10-28 | Sand making screening plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216323209U (en) |
-
2021
- 2021-10-28 CN CN202122599776.8U patent/CN216323209U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109320119B (en) | High-quality recycled aggregate recovery device for building waste concrete | |
| CN206588022U (en) | A kind of civil engineering stagewise vibratory sieve | |
| CN213591227U (en) | Building waste reclaimed sand belt cleaning device | |
| CN112476751A (en) | Production line for preparing concrete blocks | |
| CN216323209U (en) | Sand making screening plant | |
| CN209491050U (en) | The separator of brick and concrete block in a kind of building castoff | |
| CN220110632U (en) | Powder production dust collector | |
| CN212017938U (en) | Commercial concrete solid garbage treatment equipment | |
| CN218743585U (en) | A quick cleaning device for catalyst powder processing | |
| CN204523174U (en) | A kind of building waste process crushing and screening cellular construction | |
| CN206445953U (en) | A kind of concrete feeder equipment cleaned automatically | |
| CN215853468U (en) | Feeding device for water diversion and dirt flushing | |
| CN109926381A (en) | A kind of building aggregate desliming device | |
| CN213376826U (en) | Engineering rubbish regeneration composite inorganic material preparation device | |
| CN108705030A (en) | A kind of cast waste sand processing equipment | |
| CN213727713U (en) | Grit splitter of concrete production usefulness | |
| CN210675344U (en) | Integrated crushing and screening device | |
| CN213194065U (en) | Device for manufacturing baking-free bricks by using construction waste | |
| CN212502950U (en) | Raw materials material loading dust keeper | |
| CN208592359U (en) | A kind of useless husky processing equipment of casting | |
| CN211756883U (en) | Construction waste recycled aggregate vibration winnowing equipment | |
| CN215965431U (en) | Production device of new energy-saving environment-friendly brick for building materials | |
| CN206981173U (en) | A kind of dustless screening plant of construction waste | |
| CN219334893U (en) | Refractory brick raw material screening device | |
| CN221790089U (en) | Grit separator convenient to clearance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |