CN218013944U

CN218013944U - Sand screening device

Info

Publication number: CN218013944U
Application number: CN202222492078.2U
Authority: CN
Inventors: 曹小平
Original assignee: Anhui Cizhong Environmental Protection Technology Co ltd
Current assignee: Anhui Cizhong Environmental Protection Technology Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-12-13
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a screening sand device, screening sand device includes: the sand screening device comprises a first collecting box body, a shell, a feeding box body and a sand screening mechanism; supreme interval and level in proper order are provided with casing and feeding box body down from supreme in proper order in the top of first collection box, and screening sand mechanism sets up in the inner chamber of casing, and screening sand mechanism includes: the sand screening barrel body, the wave wheel disc and the hollow rotating shaft are arranged on the bottom of the sand screening barrel body; inside bottom interval of casing and vertical running through be provided with can just, two hollow rotating shafts of anti-both directions rotation repeatedly, top between them is provided with the husky staving of sieve rather than inside being linked together through the vertical fixed of one-way bearing respectively, the equal level in bottom of two husky staving inner chambers of sieve just rotationally is provided with the impeller disc, the top of two hollow rotating shafts is passed respectively and is fixed in the center department of impeller disc bottom with the bottom of the husky staving of sieve that corresponds separately, sieve husky mode inefficiency among the prior art is overcome to this sieve husky device, and waste time and energy, can't satisfy the problem of the big batch demand of building site to the screening of sand.

Description

Sand screening device

Technical Field

The utility model relates to a building engineering field specifically, relates to a screening sand device.

Background

The building refers to an asset formed by artificial construction, belongs to the category of fixed assets, and comprises two categories of houses and constructions. A house is an engineered building for people to live, work, study, produce, manage, entertain, store goods, and perform other social activities. Distinguished from buildings are structures, which refer to engineering structures other than houses, such as fences, roads, dams, wells, tunnels, water towers, bridges and chimneys. Along with the continuous development of the economy of China, the building industry is also continuously developed, sand is used when people build factories and houses, and sand screening is carried out when the sand is used.

Most of the existing sand screening devices are obliquely erected with a screen, then workers throw sand by manpower, and when sand naturally falls off from the screen, the purpose of screening is achieved, fine sand penetrates through the screen and falls on the ground, sand and stones fall to the other side along the screen, the sand screening mode is low in efficiency, time and labor are wasted, and the large-batch requirements of building sites for sand screening cannot be met.

Consequently, provide one kind and rotate through the hollow rotating shaft of screening sand mechanism just, anti-two directions and switch the motion state between screening sand staving and the impeller disc in the use to utilize the different effort of screening sand staving and impeller disc to realize different screening sand effects, waste time and energy, a screening sand device that has improved screening sand effect and work efficiency is the utility model discloses the problem that needs solve urgently.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model discloses an overcome among the prior art sieve husky inefficiency, and waste time and energy, can't satisfy the problem of building site to the big batch demand of sandy soil screening, thereby a hollow rotating shaft through sieve husky mechanism is just in the use, the motion state between sieve husky staving and the impeller disc is switched in reverse two direction rotations, in order to utilize the different effort of sieve husky staving and impeller disc to realize different sieve husky effects, waste time and energy, a sieve husky device of sieve husky effect and work efficiency has been improved.

In order to achieve the above object, the utility model provides a sand screening device, sand screening device includes: the sand screening device comprises a first collecting box body, a shell, a feeding box body and a sand screening mechanism;

supreme interval and level in proper order are provided with casing and feeding box body down from the top of first collection box, screening sand mechanism sets up in the inner chamber of casing, just screening sand mechanism includes: the sand screening barrel body, the wave wheel disc and the hollow rotating shaft are arranged on the bottom of the sand screening barrel body; wherein the content of the first and second substances,

the bottom end inside the shell is provided with two hollow rotating shafts which can rotate repeatedly in a forward direction and a reverse direction at intervals in a vertically penetrating manner, the tops of the two hollow rotating shafts are respectively and fixedly provided with sand screening barrel bodies communicated with the interiors of the two hollow rotating shafts vertically through one-way bearings, the bottoms of the inner cavities of the two sand screening barrel bodies are both horizontally and rotatably provided with a wave wheel disc, the top ends of the two hollow rotating shafts respectively penetrate through the bottoms of the sand screening barrel bodies respectively corresponding to the two hollow rotating shafts and are fixed at the center of the bottom of the wave wheel disc, the bottoms of the two hollow rotating shafts vertically penetrate out of the bottom of the shell, and the upper surface of the first collecting box body is provided with two blanking ports communicated with the interiors of the first collecting box body and corresponding to and matched with the two hollow rotating shafts one by one;

the bottom interval of feeding box body and vertical fixed be provided with rather than the inside feeder hopper that communicates, just two the bottom part of feeder hopper stretches into respectively to two the inside of screening husky staving.

Preferably, the sand screening device further comprises a bidirectional driving mechanism for driving each hollow rotating shaft to rotate forward and backward repeatedly; the bidirectional drive mechanism includes: a drive gear and a drive gear plate; wherein the content of the first and second substances,

every the bottom of hollow rotating shaft all fixes the suit and is provided with drive gear, just the bottom of casing is provided with can follow horizontal direction reciprocating motion and with drive gear meshing is connected drives the toothed plate.

Preferably, the bidirectional driving mechanism further comprises a driving cylinder for driving the driving toothed plate to reciprocate along the horizontal direction; wherein the content of the first and second substances,

the both sides of casing bottom are vertical fixed two risers that are provided with respectively, and every riser level runs through and is provided with and drive actuating cylinder, and is the fixed drive pinion rack that is provided with of tip level of its piston rod of level setting.

Preferably, the vertical plate is horizontally and fixedly provided with a guide rod parallel to the driving toothed plate, the guide rod is sleeved with at least one group of guide sleeves capable of moving along the shaft body of the guide rod, and the bottom ends of the guide sleeves are fixedly arranged on the driving toothed plate.

Preferably, the sand screening device further comprises a second collection box with an upward opening; wherein the content of the first and second substances,

the bottom end of the shell between the two sand sieving barrels is provided with a discharge port communicated with the inner cavity of the shell, the second collecting box is horizontally and fixedly arranged at the upper end of the first collecting box, and the discharge port is positioned right above the opening of the second collecting box.

Preferably, the sand screening device further comprises: a stock guide; the bottom of the inner cavity of the shell is fixedly provided with a material guide plate, the upper surface of the material guide plate faces towards the opening of the second collecting box body, so that the materials in the shell fall into the second collecting box body along the inclined surface.

Preferably, the bottom of the side wall of the first collection box body and the bottom of the side wall of the second collection box body are respectively and horizontally fixedly provided with a first discharging pipe and a second discharging pipe which are communicated with respective inner cavities, and the first discharging pipe and the second discharging pipe are respectively provided with a first sealing cover and a second sealing cover in a threaded connection mode.

Preferably, every the bottom of feeder hopper all is provided with first ooff valve, every the one end that hollow rotating shaft is close to rather than the sieve husky staving that corresponds all is provided with the second ooff valve.

According to the technical scheme, the utility model provides a screening sand device beneficial effect when using does: when the sand screening machine is used, sand to be treated is injected into the feeding box body and respectively enters the sand screening barrel bodies of the two sand screening mechanisms from the feeding hoppers at the bottom of the feeding box body, each hollow rotating shaft rotates in the positive and negative directions (the positive direction and the negative direction respectively refer to clockwise direction and anticlockwise direction), when the wave wheel disc is driven to rotate in the positive direction, the corresponding sand screening barrel body does not rotate along with the hollow rotating shaft and the wave wheel disc under the action of the one-way bearing, at the moment, when the hollow rotating shaft drives the wave wheel disc to rotate, in the process of turning up and down the sand in the sand screening barrel body, small-particle fine sand is screened into the shell through the filtering holes in the side wall of the sand screening barrel body, large-particle sand continues to be left in the sand screening barrel body, when the hollow rotating shaft rotates in the negative direction, the sand screening barrel body rotates along with the hollow rotating shaft and the wave wheel disc under the action of the one-way bearing, at the moment, the sand screening barrel body and the wave wheel disc are relatively static, and the sand in the sand screening barrel body can throw the small-particle fine sand into the shell through the filtering holes in the side wall under the action of the centrifugal force of the sand screening barrel body, so as to finish sand screening operation of throwing sand screening.

In conclusion, the motion states between the sand screening barrel body and the rotary table are switched through the rotation of the hollow rotating shaft in the positive direction and the negative direction, so that different sand screening effects are realized by utilizing the sand screening barrel body and different acting forces of the rotary table, time and labor are wasted, and the sand screening effect and the working efficiency are improved.

Other features and advantages of the present invention will be described in detail in the detailed description which follows; and the parts which are not involved in the utility model are all the same with the prior art or can be realized by adopting the prior art.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural view of a sand sieving apparatus provided in a preferred embodiment of the present invention;

fig. 2 is a front view of a sand sieving apparatus according to a preferred embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of a sand sieving apparatus according to a preferred embodiment of the present invention;

fig. 4 is a schematic structural view of a sand screening mechanism of a sand screening device according to a preferred embodiment of the present invention;

FIG. 5 is an enlarged view of the portion A in FIG. 3;

fig. 6 is an enlarged schematic view of a structure of a part B in fig. 3.

Description of the reference numerals

1. A first collection box; 2. a housing; 3. a feeding box body; 4. a feed hopper; 5. a sand screening mechanism; 501. screening the sand barrel body; 502. a wave wheel disc; 503. a hollow rotating shaft; 6. a blanking port; 7. a bi-directional drive mechanism; 701. a drive gear; 702. a driving toothed plate; 703. a driving cylinder; 8. a stock guide; 9. a second collection box; 10. a first on-off valve; 11. a second on-off valve; 12. a guide bar; 13. a guide sleeve; 14. and a one-way bearing.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be understood that the description herein is provided for illustration and explanation of the invention and is not intended to limit the invention.

As shown in fig. 1-6, the utility model provides a pair of sand sieving device, sand sieving device includes: the sand screening device comprises a first collecting box body 1, a shell 2, a feeding box body 3 and a sand screening mechanism 5;

supreme interval and level in proper order are provided with casing 2 and feeding box body 3 down from supreme in proper order in the top of first collection box 1, screening sand mechanism 5 sets up in the inner chamber of casing 2, just screening sand mechanism 5 includes: a sand screening barrel 501, a wave wheel disc 502 and a hollow rotating shaft 503; wherein the content of the first and second substances,

the bottom end of the inside of the shell 2 is provided with two hollow rotating shafts 503 which can rotate repeatedly in the forward and reverse directions at intervals and vertically in a penetrating manner, the tops of the two hollow rotating shafts are respectively and fixedly provided with a sand sieving barrel body 501 which is communicated with the inside of the shell through a one-way bearing 14, the bottoms of the inner cavities of the two sand sieving barrel bodies 501 are both horizontally and rotatably provided with a wave wheel disc 502, the top ends of the two hollow rotating shafts 503 respectively penetrate through the bottoms of the sand sieving barrel bodies 501 respectively corresponding to the top ends of the two hollow rotating shafts and are fixed at the center of the bottom of the wave wheel disc 502, the bottoms of the two hollow rotating shafts vertically penetrate out of the bottom of the shell 2, and the upper surface of the first collecting box body 1 is provided with two blanking ports 16 which are communicated with the inside of the first collecting box body and are in one-to-one correspondence and matched with the two hollow rotating shafts 503;

the bottom interval of feeding box body 3 and vertical fixed be provided with rather than the inside feeder hopper 4 that communicates, just two the bottom part of feeder hopper 4 stretches into respectively to two sieve sand staving 501's inside.

In the above scheme, the side wall of the sand sieving barrel 501 of each group of sand sieving mechanisms 4 is uniformly provided with filtering holes. When the sand screening device is used, sand to be processed is injected into the feeding box body 3, the sand enters the sand screening barrel bodies 501 of the two sand screening mechanisms 4 through the feeding hopper 4 at the bottom of the sand screening barrel body, the wave wheel disc 502 is driven to rotate in the positive direction of the hollow rotating shaft 503 by rotating each hollow rotating shaft 503 in the positive and negative directions (the positive and negative directions refer to clockwise and counterclockwise respectively), at the moment, the sand screening barrel body 501 corresponding to the hollow rotating shaft 503 cannot rotate together with the hollow rotating shaft 503 and the wave wheel disc 502 under the action of the one-way bearing 14, at the moment, when the hollow rotating shaft 503 drives the wave wheel disc 502 to rotate, in the process that sand in the sand screening barrel body 501 is turned up and down, small-particle fine sand is screened into the shell body 2 through the filtering holes in the side wall of the sand screening barrel body 501, large-particle sand continues to be left in the sand screening barrel body 501, and when the hollow rotating shaft 503 rotates in the negative direction, the sand screening barrel body 501 rotates together with the filtering holes 503 under the action of the hollow rotating shaft 503, at the filtering holes in the sand screening barrel body 501 are opposite to perform sand screening operation.

In conclusion, the movement state between the sand sieving barrel body 501 and the rotary table 502 is switched by rotating the hollow rotating shaft 503 in the forward and reverse directions, so that different sand sieving effects are realized by using different acting forces of the sand sieving barrel body 501 and the rotary table 502, time and labor are wasted, and the sand sieving effect and the working efficiency are improved.

In a preferred embodiment of the present invention, the sand sieving apparatus further comprises a bidirectional driving mechanism 7 for driving each hollow rotating shaft 503 to rotate repeatedly in forward and reverse directions; the bidirectional drive mechanism 7 includes: a drive gear 701 and a drive toothed plate 702; wherein, the first and the second end of the pipe are connected with each other,

the bottom end of each hollow rotating shaft 503 is fixedly sleeved with a driving gear 701, and the bottom end of the housing 2 is provided with a driving toothed plate 702 which can reciprocate along the horizontal direction and is engaged with the driving gear 701.

In the above solution, the hollow rotating shaft 503 is driven to rotate in two opposite directions by driving the driving rack plate 702 to reciprocate in the horizontal direction along the bottom of the housing 2 through the driving gear 701 engaged therewith.

In a preferred embodiment of the present invention, the bidirectional driving mechanism 7 further includes a driving cylinder 703 for driving the driving toothed plate 702 to reciprocate along the horizontal direction; wherein, the first and the second end of the pipe are connected with each other,

two vertical plates are respectively and vertically and fixedly arranged on two sides of the bottom end of the shell 2, a driving air cylinder 703 is horizontally arranged on each vertical plate in a penetrating mode, and a driving toothed plate 702 is horizontally and fixedly arranged at the end portion of a piston rod of the vertical plate.

In the above scheme, the piston rod of the driving cylinder 703 is driven to contract to drive the driving toothed plate 702 to move back and forth along the horizontal direction, and since the driving cylinder 703 is a conventional cylinder, which is a common general knowledge in the art, the specific structure thereof will not be described herein again.

The utility model discloses an in a preferred embodiment, this riser horizontal fixation be provided with the parallel guide bar 12 of drive pinion rack 702, just the cover is equipped with at least a set of uide bushing 13 that can follow its axle body and remove on the guide bar 12, just the bottom mounting of uide bushing 13 sets up on the drive pinion rack 702.

In the above solution, the guide sleeve 13 plays a role of guiding on one hand, and plays a role of supporting the driving toothed plate 702 on the other hand, so that, under the cooperative use of the guide rod 12 and the guide sleeve 13, the guide sleeve 13 can drive the driving toothed plate 702 to move back and forth in the horizontal direction along the guide rod 12.

In a preferred embodiment of the present invention, the sand screening device further comprises a second collecting box 9 with an opening facing upwards; wherein the content of the first and second substances,

and the bottom end of the shell 2 between the two sand sieving barrels 501 is provided with a discharge port communicated with the inner cavity of the shell, the second collecting box body 9 is horizontally and fixedly arranged at the upper end of the first collecting box body 1, and the discharge port is positioned right above the opening of the second collecting box body 9.

In the above scheme, the screened fine sand is convenient to enter the second collection box body 9 through the discharge port so as to be collected.

In a preferred embodiment of the present invention, the sand sieving device further comprises: a stock guide 8; the bottom of the inner cavity of the shell 2 is fixedly provided with a material guide plate 8, the upper surface of the material guide plate is inclined towards the opening of the second collection box 9, so that the materials in the shell 2 fall into the second collection box 9 along the inclined surface.

In the above scheme, under the action of the material guiding plate 8, the fine sand screened into the casing 2 falls onto the material guiding plate 8 and slides into the second collecting box 9 through the inclined material guiding plate 8.

The utility model discloses an in a preferred embodiment, first collection box 1 with the bottom of the lateral wall of second collection box 9 is the horizontal fixed first row of material pipe and the second row of material pipe that is provided with and is linked together with inner chamber separately respectively, and first row of material pipe and second row of material pipe correspond threaded connection respectively and are provided with first sealed lid and the sealed lid of second.

In the above scheme, arrange the convenience through first row of material pipe and second and will collect respectively the grit in first material collecting box 1 and the fine sand of second collecting box 9 discharge.

The utility model discloses an in a preferred embodiment, every the bottom of feeder hopper 4 all is provided with first ooff valve 10, every the one end that hollow rotating shaft 503 is close to rather than the sieve husky staving 501 that corresponds all is provided with second ooff valve 11.

To sum up, the utility model provides a screening sand device overcomes screening sand mode inefficiency among the prior art, and wastes time and energy, can't satisfy the problem of the big batch demand of building site to the screening of sand and soil.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be arbitrarily combined with each other, and the disclosed content of the present invention should be considered as the same as long as it does not violate the idea of the present invention.

Claims

1. A sand screening device, comprising: the sand screening device comprises a first collecting box body (1), a shell (2), a feeding box body (3) and a sand screening mechanism (5);

supreme interval and level in proper order are provided with casing (2) and feeding box body (3) down from the top of first collection box (1), screening sand mechanism (5) set up in the inner chamber of casing (2), just screening sand mechanism (5) include: a sand screening barrel body (501), a wave wheel disc (502) and a hollow rotating shaft (503); wherein the content of the first and second substances,

the bottom end inside the shell (2) is provided with two hollow rotating shafts (503) which can rotate repeatedly in the forward and reverse directions at intervals in a vertically penetrating manner, the tops of the two hollow rotating shafts are respectively and fixedly provided with a sand sieving barrel body (501) communicated with the inside of the shell through a one-way bearing (14), the bottoms of the inner cavities of the two sand sieving barrel bodies (501) are both horizontally and rotatably provided with a rotary table (502), the top ends of the two hollow rotating shafts (503) respectively penetrate through the bottoms of the sand sieving barrel bodies (501) respectively corresponding to the hollow rotating shafts and are fixed at the center of the bottom of the rotary table (502), the bottoms of the two hollow rotating shafts vertically penetrate through the bottom of the shell (2), and the upper surface of the first collecting box body (1) is provided with two blanking ports (16) which are communicated with the inside of the first collecting box body and are in one-to-one correspondence and matched with the two hollow rotating shafts (503);

the bottom interval of feeding box body (3) and vertical fixed be provided with rather than inside feed hopper (4) of intercommunication, and two the bottom part of feed hopper (4) stretches into respectively to two the inside of screening husky staving (501).

2. The sand screening device according to claim 1, further comprising a bidirectional driving mechanism (7) for driving each hollow rotating shaft (503) to rotate forward and backward repeatedly; the bidirectional drive mechanism (7) comprises: a drive gear (701) and a drive toothed plate (702); wherein the content of the first and second substances,

the bottom end of each hollow rotating shaft (503) is fixedly sleeved with a driving gear (701), and the bottom end of the shell (2) is provided with a driving toothed plate (702) which can move in a reciprocating mode in the horizontal direction and is connected with the driving gear (701) in a meshed mode.

3. A sand screening device according to claim 2, wherein the bidirectional drive mechanism (7) further comprises a drive cylinder (703) for driving the drive toothed plate (702) to reciprocate in a horizontal direction; wherein the content of the first and second substances,

two vertical plates are respectively and vertically and fixedly arranged on two sides of the bottom end of the shell (2), a driving cylinder (703) is horizontally arranged on each vertical plate in a penetrating mode, and a driving toothed plate (702) is horizontally and fixedly arranged at the end portion of a piston rod of the vertical plate in a horizontal arrangement mode.

4. A sand screening device according to claim 3, characterized in that the vertical plate is horizontally and fixedly provided with a guide rod (12) parallel to the driving toothed plate (702), and at least one set of guide sleeves (13) capable of moving along the shaft body of the guide rod (12) is sleeved on the guide rod (12), and the bottom ends of the guide sleeves (13) are fixedly arranged on the driving toothed plate (702).

5. A sand screening device according to claim 1, characterised in that the device further comprises a second collection box (9) which is open upwards; wherein the content of the first and second substances,

the bottom end of the shell (2) between the two sand sieving barrels (501) is provided with a discharge port communicated with the inner cavity of the shell, the second collecting box body (9) is horizontally and fixedly arranged at the upper end of the first collecting box body (1), and the discharge port is positioned right above the opening of the second collecting box body (9).

6. A sand screening device according to claim 5, further comprising: a material guide plate (8); the bottom of the inner cavity of the shell (2) is fixedly provided with a material guide plate (8) of which the upper surface faces the opening of the second collection box body (9) so as to enable the materials in the shell (2) to fall into the second collection box body (9) along the inclined surface.

7. The sand screening device according to claim 6, wherein the bottom of the side wall of the first collection box body (1) and the bottom of the side wall of the second collection box body (9) are respectively and horizontally fixedly provided with a first discharging pipe and a second discharging pipe which are communicated with the inner cavities of the first and second collection box bodies, and the first and second discharging pipes are respectively provided with a first sealing cover and a second sealing cover in a threaded connection.

8. The sand screening device according to claim 1, characterized in that a first on-off valve (10) is arranged at the bottom end of each feed hopper (4), and a second on-off valve (11) is arranged at one end of each hollow rotating shaft (503) close to the sand screening barrel body (501) corresponding to the hollow rotating shaft.