CN110898962A - Gravel circulating crushing and screening mechanism - Google Patents
Gravel circulating crushing and screening mechanism Download PDFInfo
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- CN110898962A CN110898962A CN201911186847.2A CN201911186847A CN110898962A CN 110898962 A CN110898962 A CN 110898962A CN 201911186847 A CN201911186847 A CN 201911186847A CN 110898962 A CN110898962 A CN 110898962A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
- B02C1/04—Jaw crushers or pulverisers with single-acting jaws
- B02C1/043—Jaw crushers or pulverisers with single-acting jaws with cooperating single acting jaws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
- B02C21/02—Transportable disintegrating plant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a sand and stone circulating crushing and screening mechanism which comprises a first crushing device shell, a second crushing device shell, a first crushing mechanism, a second crushing mechanism and a driving mechanism, wherein the first crushing mechanism is arranged on the first crushing device shell; the driving mechanism drives the first rotating shaft and the second rotating shaft to rotate. According to the sand and stone circulating crushing screening mechanism, the two crushing mechanisms are arranged, so that stones can be crushed in a grading manner, and the crushing efficiency can be improved; through setting up filtering mechanism and vibrations mechanism, can separate out the regrinding with the complete stone of not smashing, can further improve crushing effect.
Description
Technical Field
The invention relates to a crushing device, in particular to a sand and stone circulating crushing and screening mechanism.
Background
Rocks are often used in construction work, often for paving roads and the like. In the building engineering field, the stone that uses is mostly that the size is less, and generally speaking, the stone volume in the building engineering is great, need use the reducing mechanism to smash the bold stone into the fritter stone this moment to satisfy the demand.
Present big many stones are broken up device is all through once smashing the back ejection of compact, and this kind of stone volume that only obtains through once smashing is great, often needs repeated crushing, and it is comparatively troublesome to operate like this, consequently needs to design a hierarchical formula reducing mechanism and smashes.
Disclosure of Invention
The invention aims to provide a sand and stone circulating, crushing and screening mechanism to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a gravel circulating, crushing and screening mechanism comprises a first crushing device shell, a second crushing device shell, a first crushing mechanism, a second crushing mechanism and a driving mechanism; a feeding hole for feeding is formed in the top of the first crushing device shell, and a first crushing mechanism is arranged in the first crushing device shell; the first crushing mechanism comprises a first rotating shaft, a first eccentric wheel, a rotating plate and a spring; the rotating plate is attached to the inner wall of the first crushing device shell in a sliding mode, and the bottom end of the rotating plate is rotatably arranged at the bottom of the inner wall of the first crushing device shell; a semicircular groove is formed in the right side above the rotating plate, and a first eccentric wheel is attached to the inside of the groove; the first eccentric wheel is fixed on a first rotating shaft which is rotatably arranged on the shell of the first crushing device; the rotating plate positioned below the first rotating shaft is connected with the first crushing device shell through a plurality of springs; a through hole is formed in the first crushing device shell positioned on the left side of the rotating end of the rotating plate; a second crushing device shell is arranged below the through hole of the first crushing device shell; a second crushing mechanism is arranged in the shell of the second crushing device; the second crushing mechanism comprises a second rotating shaft, a driving gear shaft, a driven gear shaft and a third rotating shaft; the second rotating shaft and the third rotating shaft are rotatably arranged on the second crushing device shell and are respectively fixed with a driving gear shaft and a driven gear shaft; a gap is formed between the driving gear shaft and the driven gear shaft, and the size of the gap is the same as the width of the finally required stone block; the driving mechanism drives the first rotating shaft and the second rotating shaft to rotate.
As a further scheme of the invention: the driving mechanism is a driving motor; the driving motor is fixed on the outer side of the first crushing device shell, and the rotating end of the driving motor is connected with a plurality of belts; the first rotating shaft rotates, penetrates through one side of the first crushing device shell, is positioned on the outer side of the first crushing device shell and is connected with the driving motor through a belt; the second rotating shaft rotates, and a belt pulley is arranged on the part, located on one side of the second crushing device shell, of one side, penetrating through the second crushing device shell; the belt pulley is connected with the rotating end of the driving motor through a belt.
As a still further scheme of the invention: jaw plates are arranged at the positions corresponding to the left side of the rotating plate and the inner wall of the shell of the first crushing device.
As a still further scheme of the invention: a filtering mechanism is also arranged inside the shell of the second crushing device; the filtering mechanism comprises a filtering plate and a primary discharging hole; the filter plate is attached to and arranged in the second crushing device shell and is provided with a plurality of small holes for filtering stones; the diameter of the small hole is larger than the width of the needed stone block; the filter plate is obliquely arranged in the second crushing device shell, and a primary discharge hole for discharging unqualified stone blocks is formed in the second crushing device shell positioned on one side of the bottommost end of the second crushing device shell; a collecting box for collecting the primary stone blocks is further arranged on one side of the primary discharge hole; the bottom of filter still is provided with vibrations mechanism.
As a still further scheme of the invention: the vibration mechanism comprises a fourth rotating shaft and a second eccentric wheel; the two sides of the filter plate are arranged in the second crushing device shell in a sliding manner; a fourth rotating shaft is rotatably arranged on the shell of the second crushing device; the part of the fourth rotating shaft, which is positioned outside the shell of the second crushing device, is connected with the rotating end of the driving motor through a belt; a second eccentric wheel is fixed on the part of the fourth rotating shaft, which is positioned in the second crushing device shell; the second eccentric wheel is attached to the filter plate.
As a still further scheme of the invention: the bottom of the second crushing device shell is inclined and the bottom end of the second crushing device shell is provided with a discharge hole for discharging.
As a still further scheme of the invention: and a conveying belt for feeding is further arranged on one side of the first crushing device shell.
As a still further scheme of the invention: the bottom of the first crushing device shell is also provided with a plurality of wheels which can move with the first crushing device shell.
Compared with the prior art, the invention has the beneficial effects that: by arranging the two crushing mechanisms, the stones can be crushed in a grading manner, and the crushing efficiency can be improved; through setting up filtering mechanism and vibrations mechanism, can separate out the regrinding with the complete stone of not smashing, can further improve crushing effect.
Drawings
Fig. 1 is a schematic structural diagram of a sand circulating, crushing and screening mechanism.
Fig. 2 is a schematic structural diagram of a second crushing mechanism in the sand circulating, crushing and screening mechanism.
In the figure: 1-a first crushing device shell, 2-a second crushing device shell, 3-a first rotating shaft, 4-a first eccentric wheel, 5-a conveyor belt, 6-a feed inlet, 7-a rotating plate, 8-a jaw plate, 9-a spring, 10-a belt pulley, 11-a second rotating shaft, 12-a driving gear shaft, 13-a driven gear shaft, 14-a third rotating shaft, 15-a filter plate, 16-a primary discharge port, 17-a fourth rotating shaft, 18-a second eccentric wheel, 19-a discharge port, 20-a wheel and 21-a collection box.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
Referring to fig. 1-2, the present embodiment provides a sand recycling, crushing and screening mechanism, which includes a first crushing device housing 1, a second crushing device housing 2, a first crushing mechanism, a second crushing mechanism and a driving mechanism; a feeding hole 6 for feeding is formed in the top of the first crushing device shell 1, and a first crushing mechanism is arranged in the first crushing device shell;
the first crushing mechanism comprises a first rotating shaft 3, a first eccentric wheel 4, a rotating plate 7 and a spring 9; the rotating plate 7 is attached to the inner wall of the first crushing device shell 1 in a sliding mode, and the bottom end of the rotating plate is rotatably arranged at the bottom of the inner wall of the first crushing device shell 1; a semicircular groove is formed in the right side above the rotating plate 7, and a first eccentric wheel 4 is attached to the inside of the groove; the first eccentric wheel 4 is fixed on a first rotating shaft 3 which is rotatably arranged on the first crushing device shell 1; the rotating plate 7 positioned below the first rotating shaft 3 is connected with the first crushing device shell 1 through a plurality of springs 9; a through hole is formed in the first crushing device shell 1 positioned on the left side of the rotating end of the rotating plate 7; a second crushing device shell 2 is arranged below the through hole of the first crushing device shell 1;
a second crushing mechanism is arranged inside the second crushing device shell 2; the second crushing mechanism comprises a second rotating shaft 11, a driving toothed shaft 12, a driven toothed shaft 13 and a third rotating shaft 14; the second rotating shaft 11 and the third rotating shaft 14 are rotatably arranged on the second crushing device shell 2 and are respectively fixed with a driving gear shaft 12 and a driven gear shaft 13; a gap is formed between the driving gear shaft 12 and the driven gear shaft 13, and the size of the gap is the same as the width of the finally required stone block; the driving mechanism drives the first rotating shaft 3 and the second rotating shaft 11 to rotate;
when the driving mechanism drives the first rotating shaft 3 to rotate, the first eccentric wheel 4 starts to rotate so as to drive the rotating plate 7 to swing back and forth left and right, and at the moment, large stones entering from the feeding hole 6 are extruded to the first crushing device shell 1 by the rotating plate 7 and move downwards along with the size of the stones, and finally enter the second crushing device shell 2 from the through hole of the first crushing device shell 1; at this time, the second rotating shaft 11 rotates, so that the driving toothed shaft 12 rotates clockwise, and the driven toothed shaft 13 rotates counterclockwise, and at this time, the stone is further crushed by the driving toothed shaft 12 and the driven toothed shaft 13, so that the desired stone is finally obtained.
The driving mechanism is a driving motor; the driving motor is fixed on the outer side of the first crushing device shell 1, and the rotating end of the driving motor is connected with a plurality of belts; the first rotating shaft 3 rotates, penetrates through one side of the first crushing device shell 1, and the first rotating shaft 3 positioned on the outer side of the first crushing device shell 1 is connected with the driving motor through a belt; a belt pulley 10 is arranged on the part, which rotates through the second rotating shaft 11 and passes through one side of the second crushing device shell 2 and is positioned on one side of the second crushing device shell 2; the belt pulley 10 is connected with the rotating end of the driving motor through a belt; by the arrangement, two crushing mechanisms can be driven to work by a single motor, so that energy can be saved.
In order to prevent that the inner wall of rotor plate 7 and first reducing mechanism shell 1 from continuously extrudeing the bold stone and leading to rotor plate 7 and the inner wall of first reducing mechanism shell 1 to damage, the jaw plate 8 is all installed with the corresponding department of inner wall of the left side of rotor plate 7 and first reducing mechanism shell 1, sets up like this, not only can protect rotor plate 7 and first reducing mechanism shell 1's structure, but also can further improve crushing efficiency.
Because the second crushing mechanism crushes the stone blocks by two tooth shafts, the obtained stone blocks can have long strips, and the requirement is still not met, and therefore, a filtering mechanism is also arranged inside the second crushing device shell 2; the filtering mechanism comprises a filtering plate 15 and a primary discharge hole 16; the filter plate 15 is attached to the second crushing device shell 2 and is provided with a plurality of small holes for filtering stones; the diameter of the small hole is larger than the width of the needed stone block; the filter plate 15 is obliquely arranged in the second crushing device shell 2, and a primary discharge hole 16 for discharging unqualified stones is formed in the second crushing device shell 2 positioned on the bottommost side of the second crushing device shell 2; a collecting box 21 for collecting the primary stones is also arranged on one side of the primary discharge hole 16; in order to further improve the separation efficiency, the bottom of the filter plate 15 is also provided with a vibration mechanism.
The vibration mechanism comprises a fourth rotating shaft 17 and a second eccentric wheel 18; the two sides of the filter plate 15 are arranged in the second crushing device shell 2 in a sliding way; a fourth rotating shaft 17 is rotatably arranged on the second crushing device shell 2; the part of the fourth rotating shaft 17, which is positioned outside the second crushing device shell 2, is connected with the rotating end of the driving motor through a belt; a second eccentric wheel 18 is fixed on the part of the fourth rotating shaft 17 positioned inside the second crushing device shell 2; the second eccentric wheel 18 is attached to the filter plate 15; when the fourth rotating shaft 17 rotates, the second eccentric wheel 18 is driven to rotate, so that the filter plate 15 is driven to vibrate up and down, and the filtering efficiency can be improved.
The bottom of the second crushing device shell 2 is arranged to be inclined, and the bottom end of the second crushing device shell is provided with a discharge hole 19 for discharging; so set up, can make final little stone block come out from discharge gate 19 automatically.
The working principle of the embodiment is as follows: when the driving mechanism drives the first rotating shaft 3 to rotate, the first eccentric wheel 4 starts to rotate so as to drive the rotating plate 7 to swing back and forth left and right, and at the moment, large stones entering from the feeding hole 6 are extruded to the first crushing device shell 1 by the rotating plate 7 and move downwards along with the size of the stones, and finally enter the second crushing device shell 2 from the through hole of the first crushing device shell 1; at this time, the second rotating shaft 11 rotates, so that the driving toothed shaft 12 rotates clockwise, and the driven toothed shaft 13 rotates counterclockwise, and at this time, the stone is further crushed by the driving toothed shaft 12 and the driven toothed shaft 13, so that the desired stone is finally obtained. When the fourth rotating shaft 17 rotates, the second eccentric wheel 18 is driven to rotate, so that the filter plate 15 is driven to vibrate up and down, and the filtering efficiency can be improved.
Example 2
The embodiment is further improved on the basis of the embodiment 1, and the improvement is as follows: the first crushing device shell 1 is also provided with a conveyor belt 5 for feeding, and the primary stone blocks collected by the collecting box 21 are further crushed by the conveyor belt 5, so that the primary stone blocks can be completely crushed.
The bottom of the first comminution housing 1 is also provided with a plurality of wheels 20 for movement therewith.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A gravel circulating, crushing and screening mechanism is characterized by comprising a first crushing device shell (1), a second crushing device shell (2), a first crushing mechanism, a second crushing mechanism and a driving mechanism; a feeding hole (6) for feeding is formed in the top of the first crushing device shell (1), and a first crushing mechanism is arranged in the first crushing device shell;
the first crushing mechanism comprises a first rotating shaft (3), a first eccentric wheel (4), a rotating plate (7) and a spring (9); the rotating plate (7) is attached to the inner wall of the first crushing device shell (1) in a sliding mode, and the bottom end of the rotating plate is rotatably arranged at the bottom of the inner wall of the first crushing device shell (1); a semicircular arc groove is formed in the right side above the rotating plate (7), and a first eccentric wheel (4) is attached to the inside of the groove; the first eccentric wheel (4) is fixed on a first rotating shaft (3) which is rotatably arranged on the first crushing device shell (1); the rotating plate (7) positioned below the first rotating shaft (3) is connected with the first crushing device shell (1) through a plurality of springs (9); a through hole is formed in the first crushing device shell (1) positioned on the left side of the rotating end of the rotating plate (7); a second crushing device shell (2) is arranged below the through hole of the first crushing device shell (1);
a second crushing mechanism is arranged in the second crushing device shell (2); the second crushing mechanism comprises a second rotating shaft (11), a driving toothed shaft (12), a driven toothed shaft (13) and a third rotating shaft (14); the second rotating shaft (11) and the third rotating shaft (14) are rotatably arranged on the second crushing device shell (2) and are respectively fixed with a driving gear shaft (12) and a driven gear shaft (13); a gap is formed between the driving gear shaft (12) and the driven gear shaft (13), and the size of the gap is the same as the width of the finally required stone block; the driving mechanism drives the first rotating shaft (3) and the second rotating shaft (11) to rotate.
2. The sand circulating, crushing and screening mechanism as claimed in claim 1, wherein the driving mechanism is a driving motor; the driving motor is fixed on the outer side of the first crushing device shell (1), and the rotating end of the driving motor is connected with a plurality of belts; the first rotating shaft (3) rotates, penetrates through one side of the first crushing device shell (1), and the first rotating shaft (3) positioned on the outer side of the first crushing device shell (1) is connected with the driving motor through a belt; a belt pulley (10) is arranged on the part, which rotates through the second rotating shaft (11) and penetrates through the second crushing device shell (2) and is positioned on one side of the second crushing device shell (2); the belt pulley (10) is connected with the rotating end of the driving motor through a belt.
3. A sand and stone circulating crushing screening mechanism according to claim 2, characterized in that the jaw plate (8) is arranged at the left side of the rotating plate (7) and the corresponding position of the inner wall of the first crushing device shell (1).
4. A sand and stone circulating, crushing and screening mechanism according to claim 2, characterized in that the inside of the second crushing device shell (2) is also provided with a filtering mechanism; the filtering mechanism comprises a filtering plate (15) and a primary discharging hole (16); the filter plate (15) is attached to the second crushing device shell (2) and provided with a plurality of small holes for filtering stones; the diameter of the small hole is larger than the width of the needed stone block; the filter plate (15) is obliquely arranged in the second crushing device shell (2), and a primary discharge hole (16) for discharging unqualified stones is formed in the second crushing device shell (2) positioned on the bottommost side of the second crushing device shell; a collecting box (21) for collecting primary stones is further arranged on one side of the primary discharge hole (16); the bottom of the filter plate (15) is also provided with a vibration mechanism.
5. A sand and stone circulating crushing screening mechanism according to claim 4, characterized in that the vibrating mechanism comprises a fourth rotating shaft (17) and a second eccentric wheel (18); the two sides of the filter plate (15) are arranged in the second crushing device shell (2) in a sliding manner; a fourth rotating shaft (17) is rotatably arranged on the second crushing device shell (2); the part of the fourth rotating shaft (17) positioned outside the second crushing device shell (2) is connected with the rotating end of the driving motor through a belt; a second eccentric wheel (18) is fixed on the part of the fourth rotating shaft (17) positioned inside the second crushing device shell (2); the second eccentric wheel (18) is attached to the filter plate (15).
6. A gravel recycling, crushing and screening mechanism as claimed in claim 5, wherein the bottom of the second crushing device housing (2) is inclined and the lowest end of the second crushing device housing is provided with a discharge hole (19) for discharging.
7. A sand and stone circulating crushing and screening mechanism according to claim 3, characterized in that one side of the first crushing device shell (1) is also provided with a conveyor belt (5) for feeding.
8. A sand and stone circulating, crushing and screening mechanism according to claim 7, characterized in that the bottom of the first crushing device shell (1) is also provided with a plurality of wheels (20) which can move with the first crushing device shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911186847.2A CN110898962A (en) | 2019-11-28 | 2019-11-28 | Gravel circulating crushing and screening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911186847.2A CN110898962A (en) | 2019-11-28 | 2019-11-28 | Gravel circulating crushing and screening mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN110898962A true CN110898962A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911186847.2A Pending CN110898962A (en) | 2019-11-28 | 2019-11-28 | Gravel circulating crushing and screening mechanism |
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| CN (1) | CN110898962A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111841704A (en) * | 2020-07-21 | 2020-10-30 | 梁云招 | Stone crushing equipment for bridge construction |
| CN112090742A (en) * | 2020-09-21 | 2020-12-18 | 韩春祥 | Layered structure based building sandstone screening device and screening method thereof |
| CN112452398A (en) * | 2020-10-16 | 2021-03-09 | 谭林 | Be used for stone crushing equipment |
| CN112517198A (en) * | 2020-10-23 | 2021-03-19 | 甘肃明珠矿业有限责任公司 | Multistage crushing and screening device for processing barite raw ore and using method thereof |
| CN112517132A (en) * | 2020-11-28 | 2021-03-19 | 浙江德清炜烨新材料股份有限公司 | Reducing mechanism is used in refractory material production |
| CN113145282A (en) * | 2021-05-18 | 2021-07-23 | 西南石油大学 | Grit screening grinding device for building engineering |
| CN114178164A (en) * | 2021-11-11 | 2022-03-15 | 胡佩红 | Novel energy-concerving and environment-protective grit refines screening device |
| CN117443501A (en) * | 2023-12-11 | 2024-01-26 | 兴化市三强机械制造有限公司 | Anti-blocking device for grate plate of pulverizer |
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