CN219073531U - Sand screening machine for municipal construction - Google Patents
Sand screening machine for municipal construction Download PDFInfo
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- CN219073531U CN219073531U CN202222647959.7U CN202222647959U CN219073531U CN 219073531 U CN219073531 U CN 219073531U CN 202222647959 U CN202222647959 U CN 202222647959U CN 219073531 U CN219073531 U CN 219073531U
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Abstract
The utility model relates to the technical field of sand screening machines and discloses a sand screening machine for municipal construction, which comprises a screening box, wherein a feeder is arranged at the top of the screening box, a second discharge hole and a first discharge hole are sequentially formed in the front side and the left side of the screening box, a first rotating column and a second rotating column are arranged on the inner wall of the screening box, a moving plate is rotatably arranged on the outer surface of the first rotating column, a screen is arranged in the moving plate, adapting grooves are formed in the front side and the back side of the screening box, and the second rotating column is inserted on the right side of the moving plate and is adapted to be clamped in the adapting grooves. The material is wholly driven leftwards through the reciprocating vibration towards left, fine sand is screened to the upper surface of the guide block along the screen, and when the large-particle stones vibrate leftwards along the surface of the screen, on the one hand, the large-particle stones are prevented from being clamped in meshes of the screen, on the other hand, the large-particle stones gradually move leftwards on the surface of the screen which is an inclined plane, and automatic discharging is completed.
Description
Technical Field
The utility model relates to the technical field of sand screening machines, in particular to a municipal construction sand screening machine.
Background
The municipal construction needs to use concrete, and need fine sand when making and preparing concrete, and fine sand need use the screening sand machine to sieve, the screening sand machine is at the during operation, it is preferable that the screen cloth is screened to the vibration in general use, some large granule stones are blocked with the screen cloth hole easily in the screening process, because the travel path of sand is fixed, it blocks with the screen cloth hole very easily under inertial effect after contacting with the screen cloth, current vibration mode is parallel vibration, can't produce sufficient effort to the granule of blocking, the travel path reciprocativity of the sand that is located on the screen cloth is high, can not take out the large granule impurity that sieves down voluntarily, the urgent need is solved.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a sand screening machine for municipal construction, which has the advantages of preventing materials from being blocked and drying the materials.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a municipal construction's sand screening machine, includes screening case, screening case's top is provided with the feeder, screening case's front and left side have seted up No. two discharge gates and No. one discharge gate in proper order, screening case's inner wall is provided with a swivel post and No. two swivel posts, the movable plate is installed in the surface rotation of a swivel post, the internally mounted of movable plate has the screen cloth, the adaptation groove has all been seted up in screening case's front and the back, the right side at the movable plate is pegged graft to No. two swivel posts and the adaptation block is in the inside of adaptation groove, screening case's front is provided with the motor, the output shaft fixed mounting of motor has the cam, the top fixedly connected with stock guide and the spring of movable plate.
As a preferable technical scheme of the utility model, the feeder is fixedly arranged on the right side of the top of the screening box, and the inner wall of the feeder is fixedly provided with five diversion columns;
the feeder sets up the right side at screening case top, and its bottom blowing planar is just right with screen cloth and stock guide surface, after the material shunted through the reposition of redundant personnel post, its dispersion degree grow to increased the area of contact with stock guide and screen cloth, made the screening effect of device better.
As a preferable technical scheme of the utility model, a guide block is fixedly arranged at the bottom of the inner cavity of the screening box, and the longitudinal section of the guide block is a right triangle with an upward sloping side;
the guide block is located the partial rear side of its top of screening case inner chamber and is higher than the front side, and the fine sand that makes the screening fall down is when the surface of guide block, through the gravity component effect on guide block inclined plane, makes the fine sand automatic forward along No. two discharge gates ejection of compact, has avoided the accumulational problem of material.
As a preferable technical scheme of the utility model, the top of the material guide plate is designed into an inclined plane with low left side and high right side, the number of the springs is two and the springs are distributed on the front side and the rear side of the top of the movable plate, and the two ends of the springs are sequentially and elastically connected with the screening box and the movable plate;
the top of stock guide and along the material contact of feeder whereabouts, its inclined plane design can assist the material to remove left and accomplish screening operation through the screen cloth, cooperates the movable plate that upwards rotates the slope repeatedly, carries out dynamic management with the material that falls on the movable plate, avoids the material to block in the inside of screen cloth because of the mobility efficiency is not high.
As a preferable technical scheme of the utility model, the bottom support of the first rotary column is arranged at the top of the outer surface of the cam, and the moving plate is in a horizontally placed state under the initial condition;
the cam provides supporting effect for the movable plate through being connected with the motor, and when it rotates, through the protruding part periodicity of cam upwards and to the spacing exerting pressure of movable plate, drive the movable plate and rotate anticlockwise round the axial of a swivel post, then when the protruding part of cam rotates downwards, reset under self gravity and the resilience effect of spring, so repeatedly, form the rotation up-and-down vibration function of movable plate.
As a preferable technical scheme of the utility model, the cross section of the adapting groove is arc-shaped, and the circle center of the adapting groove coincides with the circle center of the first rotary column;
the movable plate rotates anticlockwise upwards around the axial of the first rotary column under the action of the cam, when the movable plate rotates, the movable plate can drive the second rotary column to move along the inside of the adapting groove, the moving path of the adapting groove takes the circle center of the first rotary column as the circle center, and the distance value between the first rotary column and the second rotary column is the circular arc part of radius movement.
Compared with the prior art, the utility model has the following beneficial effects:
1. the bottom of the movable plate is supported and pressed by the cam under the drive of the motor, so that the included angle between the first rotary column 7 and the horizontal is changed between 0-5 degrees, the movable plate always has a tendency of inclining leftwards in the vertical vibration process, so that large-particle stones can rapidly move along the surface of the screen, jamming is avoided, materials are fully dispersed through the split column and fall on the movable plate and the screen, when the first rotary column vibrates, the materials are integrally driven leftwards through the leftward reciprocating vibration of the first rotary column, fine sand is screened onto the guide block along the screen, and when the large-particle stones incline leftwards along the surface of the screen, the large-particle stones are prevented from being clamped in meshes of the screen, and on the other hand, the large-particle stones gradually move leftwards on the surface of the screen which is an inclined plane, and automatic discharging is completed.
2. Then, the air current to screening case inner chamber produces and moves the effect at movable plate drive stock guide repeatedly pivoted in-process, and when rotating repeatedly, it produces the negative pressure at screening case's inner chamber, makes external air get into screening case's inner chamber along No. two discharge gates or No. one discharge gates, and dry fresh air fully contacts and makes it dry through the air-drying with the fine sand material that is sieved down, has reduced the moisture content of fine sand, helps improving the quality of fine sand after the screening.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic elevation cut-away view of the structure of the present utility model;
FIG. 3 is a schematic side cut-away view of the structure of the present utility model;
FIG. 4 is a schematic diagram of the separation of the first rotary column, the second rotary column, the material plate, the screen, the motor, the cam material guide plate and the spring of the present utility model;
fig. 5 is a schematic view of the internal structure of the screening box according to the present utility model.
In the figure: 1. a screening box; 2. a feeder; 3. an adaptation groove; 4. a first discharge hole; 5. a second discharge port; 6. a guide block; 7. a first rotary column; 8. a second rotary column; 9. a moving plate; 10. a screen; 11. a motor; 12. a split column; 13. a cam; 14. a material guide plate; 15. and (3) a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 5, the utility model provides a sand screening machine for municipal construction, which comprises a screening box 1, wherein a feeder 2 is arranged at the top of the screening box 1, a second discharge hole 5 and a first discharge hole 4 are sequentially formed in the front and the left side of the screening box 1, a first rotary column 7 and a second rotary column 8 are arranged on the inner wall of the screening box 1, a movable plate 9 is rotatably arranged on the outer surface of the first rotary column 7, a screen 10 is arranged in the movable plate 9, an adaptation groove 3 is formed in the front and the back of the screening box 1, the second rotary column 8 is inserted on the right side of the movable plate 9 and is adapted to be clamped in the adaptation groove 3, a motor 11 is arranged on the front of the screening box 1, a cam 13 is fixedly arranged on an output shaft of the motor 11, and a material guiding plate 14 and a spring 15 are fixedly connected to the top of the movable plate 9;
when the device works, the motor 11 is required to be started and the cam 13 is driven to rotate, the moving plate 9 is driven to rotate anticlockwise around the axial direction of the first rotary column 7 by periodically upwards and limitedly pressing the protruding part of the cam 13, then the moving plate 9 is reset under the action of self gravity and resilience force of the spring 15 when downwards rotated, and the rotating up-down vibration function of the moving plate 9 is formed repeatedly in this way; then, the material is fully dispersed along the lower part of the feeder 2 and falls on the moving plate 9 and the screen 10 through the diversion column 12, and when the first rotary column 7 vibrates, the material is wholly driven leftwards through the leftwards reciprocating vibration of the first rotary column, fine sand is screened onto the guide block 6 along the screen 10, and large-particle stones are prevented from being blocked in meshes of the screen 10 on one hand and gradually leftwards moving on the surface of the screen 10 which is an inclined plane on the other hand when the large-particle stones are obliquely vibrated leftwards along the surface of the screen 10, and automatic discharging is completed.
Wherein, the feeder 2 is fixedly arranged on the right side of the top of the screening box 1, and five diversion columns 12 are fixedly arranged on the inner wall of the feeder 2;
the feeder 2 is arranged on the right side of the top of the screening box 1, the surface of the bottom discharging plane, which is opposite to the surface of the screen cloth 10 and the surface of the material guiding plate 14, is provided with a larger dispersion degree after the material is shunted by the shunting column 12, and the contact area between the material guiding plate 14 and the screen cloth 10 is increased, so that the screening effect of the device is better.
Wherein, the bottom of the inner cavity of the screening box 1 is fixedly provided with a guide block 6, and the longitudinal section of the guide block 6 is a right triangle with an upward sloping side;
the part of the guide block 6 positioned in the inner cavity of the screening box 1 is higher than the front side at the rear side of the top, and the design ensures that the fine sand which is screened out automatically discharges along the second discharge port 5 under the action of the gravity component of the inclined plane of the guide block 6 when falling on the surface of the guide block 6, so that the problem of material accumulation is avoided.
The top of the guide plate 14 is designed to be a slope with a left side low and a right side high, the number of the springs 15 is two and the springs are distributed on the front side and the rear side of the top of the movable plate 9, and the two ends of the springs 15 are sequentially and elastically connected with the screening box 1 and the movable plate 9;
the top of stock guide 14 and along the material contact of feeder 2 whereabouts, its inclined plane design can assist the material to remove left and accomplish screening operation through screen cloth 10, cooperates to rotate the movable plate 9 of slope upwards repeatedly, carries out dynamic management to the material that falls on movable plate 9, avoids the material to block in the inside of screen cloth 10 because of the mobility efficiency is not high.
Wherein the bottom support of the first rotary column 7 is arranged at the top of the outer surface of the cam 13, and the moving plate 9 is in a horizontally placed state under the initial condition;
the cam 13 is connected with the motor 11 to provide a supporting function for the moving plate 9, and when the cam rotates, the moving plate 9 is driven to rotate anticlockwise around the axial direction of the first rotary column 7 by periodically upwards pressing the protruding part of the cam 13 and limiting the moving plate 9, and then the cam is reset under the action of self gravity and the resilience force of the spring 15 when the protruding part of the cam 13 rotates downwards, so that the rotating up-and-down vibration function of the moving plate 9 is formed repeatedly.
The cross section of the adapting groove 3 is arc-shaped, and the circle center of the adapting groove 3 coincides with the circle center of the first rotary column 7;
the moving plate 9 rotates anticlockwise and upwards around the axial direction of the first rotating column 7 under the action of the cam 13, when the moving plate 9 rotates, the moving plate drives the second rotating column 8 to move along the inside of the adapting groove 3, the moving path of the adapting groove 3 takes the circle center of the first rotating column 7 as the circle center and takes the distance value between the first rotating column 7 and the second rotating column 8 as the circular arc part of radius movement, and the design can provide stable guiding function for the moving plate 9.
The working principle and the using flow of the utility model are as follows:
firstly, starting a motor 11 and driving a cam 13 to rotate, pressing the bottom of a movable plate 9 by using a convex part of the cam 13, enabling the movable plate 9 to rotate anticlockwise around the axial direction of a first rotary column 7 while being supported by the cam 13, compressing a spring 15, enabling the convex part of the cam 13 to downwards not generate supporting action on the movable plate 9 after the cam 13 rotates for one circle, automatically resetting and recovering the movable plate 9 to a horizontal state under the action of self gravity and the resilience force of the spring 15, and enabling the movable plate 9 to repeatedly rotate around the axial direction of the first rotary column 7 and rotate to the horizontal state along with repeated rotation of the cam 13 to form a vibration function;
then, the materials (mixture of sand and impurities) are poured down along the feeder 2, the materials are fully dispersed through the flow dividing column 12 and fall on the moving plate 9 and the screen 10, the moving plate 9 drives the screen 10 to incline relatively leftwards repeatedly, so that the left side is lower than the right side, fine sand falls down along the screen 10 and is discharged through the guide block 6 in the process of being screened by vibration, and large-particle stones repeatedly vibrate up and down on the surface of the screen 10 and gradually move leftwards, and are discharged along the first discharge port 4;
finally, in the continuous rotation process of the cam 13, the included angle between the first rotary column 7 and the horizontal is changed between 0 degrees and 5 degrees, so that the moving plate 9 always has a tendency of tilting leftwards in the up-down vibration process, and stones with large particles can rapidly move along the surface of the screen 10, and the blocking is avoided.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a municipal construction's screening sand machine, includes screening case (1), its characterized in that: the top of screening case (1) is provided with feeder (2), no. two discharge gates (5) and No. one discharge gate (4) have been seted up in proper order in the front and the left side of screening case (1), the inner wall of screening case (1) is provided with a swivel post (7) and No. two swivel posts (8), moving plate (9) are installed in the surface rotation of a swivel post (7), the internally mounted of moving plate (9) has screen cloth (10), adaptation groove (3) have all been seted up in the front and the back of screening case (1), no. two swivel posts (8) peg graft on the right side of moving plate (9) and the inside of adaptation block in adaptation groove (3), the front of screening case (1) is provided with motor (11), the output shaft fixed mounting of motor (11) has cam (13), the top fixedly connected with stock guide (14) and spring (15) of moving plate (9).
2. A municipal construction sand screening machine according to claim 1, wherein: the feeder (2) is fixedly arranged on the right side of the top of the screening box (1), and five diversion columns (12) are fixedly arranged on the inner wall of the feeder (2).
3. A municipal construction sand screening machine according to claim 1, wherein: the bottom of the inner cavity of the screening box (1) is fixedly provided with a guide block (6), and the longitudinal section of the guide block (6) is a right triangle with an upward bevel edge.
4. A municipal construction sand screening machine according to claim 1, wherein: the top of stock guide (14) is the high inclined plane design in left low right, the quantity of spring (15) is two and distributes in the front and back both sides at movable plate (9) top, the both ends of spring (15) are in proper order with screening case (1) and movable plate (9) elastic connection.
5. A municipal construction sand screening machine according to claim 1, wherein: the bottom support of the first rotating column (7) is arranged on the top of the outer surface of the cam (13), and the moving plate (9) is in a horizontally placed state under the initial condition.
6. A municipal construction sand screening machine according to claim 1, wherein: the cross section of the adapting groove (3) is arc-shaped, and the circle center of the adapting groove (3) coincides with the circle center of the first rotary column (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222647959.7U CN219073531U (en) | 2022-10-09 | 2022-10-09 | Sand screening machine for municipal construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222647959.7U CN219073531U (en) | 2022-10-09 | 2022-10-09 | Sand screening machine for municipal construction |
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| Publication Number | Publication Date |
|---|---|
| CN219073531U true CN219073531U (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222647959.7U Active CN219073531U (en) | 2022-10-09 | 2022-10-09 | Sand screening machine for municipal construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219073531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511058A (en) * | 2023-07-04 | 2023-08-01 | 四川磊蒙机械设备有限公司 | Rubble screening machine |
-
2022
- 2022-10-09 CN CN202222647959.7U patent/CN219073531U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511058A (en) * | 2023-07-04 | 2023-08-01 | 四川磊蒙机械设备有限公司 | Rubble screening machine |
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