CN211026983U - Sand screening device special for building - Google Patents
Sand screening device special for building Download PDFInfo
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- CN211026983U CN211026983U CN201921863480.9U CN201921863480U CN211026983U CN 211026983 U CN211026983 U CN 211026983U CN 201921863480 U CN201921863480 U CN 201921863480U CN 211026983 U CN211026983 U CN 211026983U
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- screening device
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- sand screening
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Abstract
The utility model belongs to the technical field of building equipment, in particular to a sand screening device special for buildings, which comprises a frame, wherein a first screen and a second screen which is overlapped with the first screen are fixed on the frame, and the sieve pores of the second screen can be completely overlapped with the sieve pores of the first screen; a fine adjustment mechanism capable of adjusting the position of the second screen is arranged on the frame; the top of first screen cloth is equipped with the rabbling mechanism that is used for stirring the sand, and the rabbling mechanism includes the motor and with the pivot of motor output shaft, is equipped with the connecting rod that the slope set up in the pivot, is equipped with a plurality of compressible puddlers on the connecting rod. The screening sand device of this scheme can solve the not adjustable problem of sieve mesh size of current screening sand device to can improve the efficiency of screening sand.
Description
Technical Field
The utility model belongs to the technical field of the architectural equipment, concretely relates to construct special screening sand device.
Background
The building engineering is an engineering entity which performs various technical works and completions such as planning, surveying, designing, constructing, completing and the like for newly building, reconstructing or extending building buildings and affiliated structures and installation engineering of lines, pipelines and equipment matched with the engineering entity.
In construction engineering, construction raw materials such as sand, cement, steel structures, concrete and the like are required, wherein the sand is an essential basic raw material. Various impurities such as leaves, garbage, stones and the like exist in the sand to a greater or lesser extent, and in order to ensure the construction quality, the impurities in the sand need to be removed before construction, and the sand is classified into different grades according to the particle size of the sand. The sand required by different construction purposes has different particle sizes, so the sand needs to be screened before being used, and the sand meeting the particle size requirement is selected. However, the sieve mesh size of the existing sand sieving device is fixed, the sieve mesh size can not be adjusted according to actual needs, sand with one particle size can only be sieved, different working needs can not be met, and the sand sieving device is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a construct special screening sand device to solve the not adjustable problem of sieve mesh size of current screening sand device.
In order to achieve the above purpose, the utility model discloses a scheme does: the special sand screening device for the building comprises a rack, wherein a first screen and a second screen which is overlapped with the first screen are fixedly arranged on the rack, and the screen holes of the second screen can be completely overlapped with the screen holes of the first screen; a fine adjustment mechanism capable of adjusting the position of the second screen is arranged on the frame; the top of first screen cloth is equipped with the rabbling mechanism that is used for stirring the sand, and the rabbling mechanism includes the motor and with the pivot of motor output shaft, is equipped with the connecting rod that the slope set up in the pivot, is equipped with a plurality of compressible puddlers on the connecting rod.
The working principle and the beneficial effects of the scheme are as follows: when needing to screen the sand, confirm earlier that the particle size of sand needs to be screened, then adjust the position of second screen cloth through fine-tuning, the second screen cloth overlaps mutually with first screen cloth and can forms the sieve mesh of new size, when the sieve mesh of second screen cloth overlaps completely with the sieve mesh of first screen cloth, the sieve mesh that forms is the biggest, can screen the great sand of particle size this moment, when needing to screen the sand that the particle size is less relatively, adjust the position of second screen cloth, control the size of the new sieve mesh that forms, make the sand that corresponds the particle size pass through. After the size of the sieve pores is adjusted, sand to be screened is poured into the sand screening device, then the motor is started, the motor drives the stirring rod to rotate through the connecting rod on the rotating shaft, the stirring rod stirs the sand, the speed of the sand passing through the sieve pores is accelerated, and the sand screening efficiency is improved; simultaneously because the connecting rod slope sets up to the puddler sets up to compressible structure, at connecting rod pivoted in-process, the puddler can take place contact, collision with the screen cloth, and the effort is applyed to the screen cloth to the puddler, is favorable to the sand to pass through, improves the efficiency of screening.
Optionally, the opposite sides of the frame are provided with guide limiting grooves, and the second screen is provided with clamping strips which are slidably connected with the guide limiting grooves. The guide limiting groove has guide and limiting effects on the second screen, and the second screen can only move along a fixed direction.
Optionally, the second screen is located below the first screen. Set up the below at first screen cloth with the second screen cloth, can avoid the direct and second screen cloth contact of puddler isotructure for the second screen cloth atress takes place to remove at will.
Optionally, the stirring rod comprises a fixed rod mounted on the connecting rod and a sliding rod slidably connected in the fixed rod, and a reset piece is connected between the sliding rod and the fixed rod.
Optionally, the fixed rod is provided with a concave cavity and a strip-shaped groove communicated with the concave cavity, and the sliding rod is provided with a convex block connected in the strip-shaped groove in a sliding manner. The arrangement of the strip-shaped groove can guide the sliding rod to move towards the fixed direction and can prevent the sliding rod from separating from the fixed rod.
Optionally, the lower portion of the sliding bar is provided with a push plate capable of contacting the first screen. The push rod can promote the sand on the first screen cloth, makes the sand take place to remove, avoids the sand jam at fixed position.
Optionally, the fine adjustment mechanism comprises a mounting seat fixed on the frame, and a threaded rod arranged in parallel with the second screen is rotatably connected to the mounting seat; and a push block is arranged on one side of the second screen, and the threaded rod is in threaded connection with the push block. When the position of the second screen cloth needs to be adjusted, the threaded rod is screwed, the push block moves along the threaded rod, and meanwhile, the push block drives the second screen cloth to move together, so that the position of the second screen cloth is adjusted.
Optionally, a positioning plate which is opposite to the second screen and can be in contact with the second screen is arranged on the frame, and the positioning plate is arranged on one side of the moving direction of the second screen; when the second screen cloth contacts with the positioning plate, the screen holes of the second screen cloth can be completely overlapped with the screen holes of the first screen cloth. When the position of second screen cloth was adjusted to and is contacted with the locating plate, the sieve mesh of second screen cloth and the sieve mesh of first screen cloth overlap completely, and the sieve mesh that forms this moment is the biggest, can screen the great sand of particle size. The positioning plate is arranged, so that an operator can be helped to determine the position to which the second screen is moved, and the formed screen hole is the largest.
Optionally, the fine adjustment mechanism comprises a fixed seat fixed on the frame, a threaded column is rotatably connected to the fixed seat, and a wedge block is connected to the threaded column in a threaded manner; the inclined plane of the wedge block is provided with an inclined groove which is obliquely arranged, one side of the second screen is provided with a bulge which is connected in the inclined groove in a sliding manner, the other side of the second screen is connected with an elastic piece, and the other end of the elastic piece is connected on the rack.
When the position of the second screen is required to be adjusted, the threaded column is screwed, the wedge block moves along the threaded column, and when the wedge block moves, the inclined surface of the wedge block exerts acting force on the second screen, so that the second screen moves, and the position of the second screen is adjusted. In the scheme, the wedge block position is adjusted in a threaded connection mode, and the wedge block moves for a short distance every time the threaded column rotates for one circle, so that the moving amplitude of the wedge block can be controlled; secondly, the wedge block is used for exerting acting force on the second screen to enable the second screen to move, the moving distance of the second screen is smaller than the moving distance of the wedge block by controlling the inclined angle of the wedge block, fine adjustment of the position of the second screen is achieved, and accurate control of the position of the second screen is guaranteed.
Optionally, a ball positioned in the chute is rotatably connected to the projection. The ball is arranged, sliding friction between the protrusion and the wedge block can be changed into rolling friction, the friction coefficient is reduced, abrasion between the protrusion and the wedge block is reduced, and the service life is prolonged.
Drawings
Fig. 1 is a sectional view of a sand screening device for buildings according to a first embodiment of the present invention;
fig. 2 is a sectional view of a sand sieving device specially used for construction in the second embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a motor 10, a rotating shaft 11, a connecting rod 12, a frame 20, a first screen 21, a second screen 22, a bulge 221, a mounting seat 30, a push block 31, a threaded rod 32, a positioning plate 40, a fixing rod 50, a reset piece 51, a sliding rod 52, a push plate 53, a fixing seat 60, a threaded column 61, a wedge block 62, a chute 621 and an elastic piece 70.
Example one
This embodiment is substantially as shown in fig. 1: construct special sand screening device, including frame 20, the welding has first screen cloth 21 and sliding connection to have second screen cloth 22 in frame 20, and second screen cloth 22's concrete connected mode is: the opposite sides of the frame 20 are provided with guide limiting grooves, and the second screen 22 is fixed with clamping strips which are slidably connected in the guide limiting grooves. The first screen 21 and the second screen 22 are both rigid screens, the second screen 22 is located below the first screen 21 and overlapped with the first screen 21, and the mesh of the second screen 22 can be completely overlapped with the mesh of the first screen 21.
The stirring mechanism is arranged above the first screen 21 and comprises a motor 10 and a rotating shaft 11, the motor 10 is installed on the frame 20, the rotating shaft 11 is connected with an output shaft of the motor 10, a connecting rod 12 which is obliquely arranged is welded on the rotating shaft 11, and the oblique angle of the connecting rod 12 is 25 degrees in the embodiment. Install 3 puddlers that can be compressed on connecting rod 12, the puddler includes dead lever 50 and the sliding rod 52 of sliding connection in dead lever 50 of fixed mounting on connecting rod 12, and the concrete connected mode of dead lever 50 and sliding rod 52 is: the fixing rod 50 is provided with a concave cavity and a strip-shaped groove communicated with the concave cavity, and the sliding rod 52 is welded with a convex block which is connected in the strip-shaped groove in a sliding manner. A restoring member 51 is connected between the sliding rod 52 and the fixing rod 50, and the restoring member 51 is a tension spring. A push plate 53 capable of contacting the first screen 21 is welded to the lower portion of the sliding rod 52, and the push plate 53 is perpendicular to the first screen 21.
Be equipped with the fine-tuning that can adjust second screen cloth 22 position in frame 20, fine-tuning is including welding at the mount pad 30 on frame 20 right side, rotates on the mount pad 30 to be connected with second screen cloth 22 parallel arrangement's threaded rod 32, and concrete connected mode is: the mounting seat 30 is provided with a T-shaped groove, and the right end of the threaded rod 32 is clamped in the groove and can rotate freely in the groove. The right side of the second screen 22 is welded with a push block 31, and the left side of a threaded rod 32 is in threaded connection with the push block 31. A positioning plate 40 which is opposite to the second screen 22 and can be contacted with the left side of the second screen 22 is welded on the left side of the frame 20, the moving direction of the positioning plate 40 and the moving direction of the second screen 22 are opposite, and when the second screen 22 is contacted with the positioning plate 40, the sieve holes of the second screen 22 are completely overlapped with the sieve holes of the first screen 21.
When screening sand, the particle size of the sand to be screened is determined, then the position of the second screen 22 is adjusted through the fine adjustment mechanism, the threaded rod 32 is screwed, the push block 31 moves along the threaded rod 32, meanwhile, the push block 31 drives the second screen 22 to move together, and the position of the second screen 22 is adjusted. The second screen mesh 22 is overlapped with the first screen mesh 21 to form a screen hole with a new size, when the screen hole of the second screen mesh 22 is completely overlapped with the screen hole of the first screen mesh 21, the formed screen hole is the largest, sand with a larger particle size can be screened at the moment, when the sand with a relatively smaller particle size needs to be screened, the position of the second screen mesh 22 is adjusted, and the size of the newly formed screen hole is controlled, so that the sand with a corresponding particle size can pass through. After sieve mesh size adjustment is accomplished, pour the sand that treats the screening into the screening sand device, then starter motor 10, motor 10 takes place to rotate through connecting rod 12 drive puddler on the pivot 11, and puddler, push pedal 53 stir the sand, accelerates the speed that the sand passes through the sieve mesh.
Example two
The present embodiment is different from the first embodiment in that: as shown in fig. 2, the fine adjustment mechanism in this embodiment includes a fixing base 60 fixed on the right side of the frame 20, and a threaded column 61 is rotatably connected to the fixing base 60, and the specific connection mode is: the mounting base 30 is provided with a T-shaped slot, and the upper end of the threaded post 61 is clamped in the slot and can rotate freely in the slot. The lower side of the threaded column 61 is in threaded connection with a wedge 62, and the inclined surface of the wedge 62 forms an included angle of 60 degrees with the horizontal plane. The inclined plane of the wedge block 62 is provided with an inclined groove 621 which is arranged obliquely, the right side of the second screen 22 is welded with a bulge 221, and the bulge 221 is rotatably connected with a ball which is positioned in the inclined groove 621 and can slide along the inclined groove 621. The elastic member 70 is connected to the left side of the second screen 22, and the other end of the elastic member 70 is connected to the frame 20, and the elastic member 70 is a spring in this embodiment.
When the fine adjustment mechanism of the present embodiment is used to adjust the position of the second screen 22, the threaded post 61 is screwed, the wedge 62 moves along the threaded rod 32, and when the wedge 62 moves, the inclined surface of the wedge 62 applies a force to the second screen 22, so that the second screen 22 moves, thereby adjusting the position of the second screen 22. In the scheme, firstly, the position of the wedge block 62 is adjusted in a threaded connection mode, and the wedge block 62 moves for a short distance every time the threaded column 61 rotates for one circle, so that the adjustment amplitude is favorably controlled; secondly, the wedge block 62 applies force to the second screen 22 to move the second screen 22, and the inclined angle of the inclined surface of the wedge block 62 is controlled to enable the moving distance of the second screen 22 to be smaller than the moving distance of the wedge block 62, so that fine adjustment of the position of the second screen 22 is ensured, and accurate control of the position of the second screen 22 is ensured.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention.
Claims (10)
1. Construct special screening sand device, including the frame, its characterized in that: a first screen and a second screen which is overlapped with the first screen are fixedly arranged on the frame in a sliding way, and the screen holes of the second screen can be completely overlapped with the screen holes of the first screen; a fine adjustment mechanism capable of adjusting the position of the second screen is arranged on the frame; the top of first screen cloth is equipped with the rabbling mechanism that is used for stirring the sand, and the rabbling mechanism includes the motor and with the pivot of motor output shaft, is equipped with the connecting rod that the slope set up in the pivot, is equipped with a plurality of compressible puddlers on the connecting rod.
2. The special sand screening device for buildings according to claim 1, wherein: the opposite two sides of the frame are provided with guide limiting grooves, and the second screen is provided with clamping strips which are connected in the guide limiting grooves in a sliding manner.
3. The special sand screening device for buildings according to claim 2, wherein: the second screen is located below the first screen.
4. The special sand screening device for buildings according to claim 3, wherein: the puddler is connected with the piece that resets between dead lever and the slide bar including installing dead lever and the sliding connection on the connecting rod in the dead lever on the connecting rod.
5. The special sand screening device for buildings according to claim 4, wherein: the fixed rod is provided with a concave cavity and a strip-shaped groove communicated with the concave cavity, and the sliding rod is provided with a convex block connected in the strip-shaped groove in a sliding manner.
6. The special sand screening device for buildings according to claim 5, wherein: the lower part of the sliding rod is provided with a push plate which can be contacted with the first screen.
7. The sand screening device special for buildings according to any one of claims 1 to 6, wherein: the fine adjustment mechanism comprises a mounting seat fixed on the rack, and a threaded rod arranged in parallel with the second screen is rotatably connected to the mounting seat; and a push block is arranged on one side of the second screen, and the threaded rod is in threaded connection with the push block.
8. The sand screening device special for buildings according to claim 7, wherein: a positioning plate which is opposite to the second screen and can be contacted with the second screen is arranged on the frame, and the positioning plate is arranged on one side of the moving direction of the second screen; when the second screen cloth contacts with the positioning plate, the screen holes of the second screen cloth can be completely overlapped with the screen holes of the first screen cloth.
9. The sand screening device special for buildings according to any one of claims 1 to 6, wherein: the fine adjustment mechanism comprises a fixed seat fixed on the rack, a threaded column is rotatably connected on the fixed seat, and a wedge block is connected on the threaded column in a threaded manner; the inclined plane of the wedge block is provided with an inclined groove which is obliquely arranged, one side of the second screen is provided with a bulge which is connected in the inclined groove in a sliding manner, the other side of the second screen is connected with an elastic piece, and the other end of the elastic piece is connected on the rack.
10. The special sand screening device for buildings according to claim 9, wherein: the bulge is rotatably connected with a ball positioned in the chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921863480.9U CN211026983U (en) | 2019-10-31 | 2019-10-31 | Sand screening device special for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921863480.9U CN211026983U (en) | 2019-10-31 | 2019-10-31 | Sand screening device special for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211026983U true CN211026983U (en) | 2020-07-17 |
Family
ID=71531566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921863480.9U Expired - Fee Related CN211026983U (en) | 2019-10-31 | 2019-10-31 | Sand screening device special for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211026983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774290A (en) * | 2020-08-03 | 2020-10-16 | 红安正邦养殖有限公司 | Particle screening device for pig feed production and working method thereof |
-
2019
- 2019-10-31 CN CN201921863480.9U patent/CN211026983U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774290A (en) * | 2020-08-03 | 2020-10-16 | 红安正邦养殖有限公司 | Particle screening device for pig feed production and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20211031 |