CN211887898U

CN211887898U - Sand screening machine for constructional engineering

Info

Publication number: CN211887898U
Application number: CN202020407090.7U
Authority: CN
Inventors: 许渝妹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-11-10
Anticipated expiration: 2030-03-26

Abstract

The utility model provides a screening machine for building engineering relates to building engineering technical field, including the top fixedly connected with mount of fixed block, the top of mount is equipped with the screening frame, and the inside wall fixedly connected with screening sand net of screening frame, the positive fixedly connected with drive case of screening sand case, bull stick run through the inner wall of screening sand case and the back of drive case in proper order and extend to the inside of drive case, and the external fixed surface of bull stick is connected with the connecting gear. This sand sieving machine for building engineering, through pouring the sand into the inside of screening frame, sieve the sand through the sand screening net, rotation through half tooth gear is under the rack, the effect of limiting plate and spring gets off the drive movable block and removes, make the bull stick carry out positive and negative reciprocating rotation through the last rack that sets up and connecting gear, thereby make the screening frame enclose and carry out reciprocal swing about the bull stick, thereby the efficiency of screening has been accelerated, still prevent that large granule sand from blockking up the sand screening net.

Description

Sand screening machine for constructional engineering

Technical Field

The utility model relates to a building engineering technical field specifically is a sand sieving machine for building engineering.

Background

The concrete is cement concrete, also called common concrete, which is widely used in civil engineering and is obtained by mixing cement as a cementing material, sand and stone as aggregates and water in a certain proportion and stirring, and the sand is one of the necessary materials of the concrete, so the quality of the sand affects the quality of the concrete, and therefore, the screening of the sand is very important.

The existing sand screening machine has lower efficiency in the sand screening process, and large-grained sand grains are easy to block a sand screening net in the sand screening process, so that the sand screening is influenced, and certain influence is brought to the subsequent processing of concrete.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sand sieving machine for building engineering possesses the advantage of sieving husky efficient and preventing to block the screening sand net.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a sand sieving machine for building engineering, including the screening sand case, the inner wall of screening sand case rotates and is connected with the bull stick, the outer fixed surface of bull stick is connected with the fixed block, the top fixedly connected with mount of fixed block, the top of mount is equipped with the screening frame, the inside wall fixedly connected with screening sand net of screening frame, the positive fixedly connected with drive case of screening sand case, the bull stick runs through the inner wall of screening sand case and the back of drive case in proper order and extends to the inside of drive case, the outer fixed surface of bull stick is connected with connecting gear, the inside wall fixedly connected with slide bar of drive case, the surface sliding connection of slide bar has the movable block, rack and lower rack are gone up to the top and the bottom difference fixedly connected with of movable block, go up rack and connecting gear, the inner wall of drive case rotates and is connected with the half-tooth gear, lower rack meshes with the half-tooth gear mutually, the.

Furthermore, the top of the sand screening box is fixedly hinged with a box cover through a pin shaft, one end of the box cover is fixedly connected with a handle, the top of the sand screening box is opened by pulling the handle at one end of the box cover, and parts inside the sand screening box are replaced and maintained.

Further, the top fixedly connected with notes material pipe of case lid, notes material pipe run through the top of case lid and extend to the inside of sieve sandbox, and the top fixedly connected with sprue of notes material pipe pours raw materials sand into the inside of sprue, sieves through the inside of notes material pipe flow direction sieve sandbox.

Further, the side of mount and the equal fixedly connected with connecting block in side of screening frame, every group connecting block passes through bolt fixed connection, comes to be convenient for separate screening frame and mount through taking off the bolt, will sieve the clearance of sand screen change.

Furthermore, the lower part fixedly connected with bin outlet of screening sand case side, the one end of bin outlet is equipped with sealed lid, and the sealed lid through opening bin outlet one end comes the inside that the sand that will sieve passes through the bin outlet discharge screening sand case.

Furthermore, the bottom fixedly connected with bottom plate of screening sand case, the bottom fixedly connected with of bottom plate removes the wheel, and the top fixedly connected with of bottom plate pushes away the frame, through setting up the frame of pushing away with remove the wheel and be convenient for the device and remove, has increased the holistic flexibility of device.

Further, the interior diapire fixedly connected with of screening sandbox and the guide plate of screening sandbox looks adaptation, the positive fixedly connected with rotating electrical machines of drive case, the output of rotating electrical machines runs through the front of drive case and extends to the inside of drive case, and rotating electrical machines's output and half-tooth gear fixed connection make the sand that sieves pile up to the one end of bin outlet through setting up the guide plate, drive half-tooth gear through starting rotating electrical machines and rotate.

Compared with the prior art, this sand sieving machine for building engineering possesses following beneficial effect:

1. this sand sieving machine for building engineering, through pouring the sand into the inside of screening frame, sieve the sand through the sand screening net, rotation through half tooth gear is under the rack, the effect of limiting plate and spring gets off the drive movable block and removes, make the bull stick carry out positive and negative reciprocating rotation through the last rack that sets up and connecting gear, thereby make the screening frame enclose and carry out reciprocal swing about the bull stick, thereby the efficiency of screening has been accelerated, still prevent that large granule sand from blockking up the sand screening net.

2. This sand sieving machine for building engineering, the handle through pulling case lid one end comes to open the top of sieve sandbox, come to change the maintenance to the part of sieve sandbox inside, pour the inside of sprue into the raw materials sand, sieve through the inside of injection pipe flow direction sieve sandbox, be convenient for separate screening frame and mount through taking off the bolt, come to change the clearance with the sieve sand net, come to drive the clearance through the sealed lid of opening bin outlet one end with the inside of the sand of screening through the bin outlet discharge sieve sandbox, it removes to be convenient for the device through setting up the propelling movement frame and removal wheel, the holistic flexibility of device has been increased, it piles up to the one end of bin outlet to make the sand of screening good through setting up the guide plate, it rotates to drive half-tooth gear through starting the rotating electrical machines.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the sand screening box of the present invention;

FIG. 3 is a schematic view of the structure of the driving box of the present invention;

fig. 4 is a perspective view of the fixing frame of the present invention.

Wherein, 1, screening a sand box; 2. a rotating rod; 3. a fixed block; 4. a fixed mount; 5. screening the frame; 6. screening a sand screen; 7. a drive box; 8. a connecting gear; 9. a slide bar; 10. a movable block; 11. an upper rack; 12. a lower rack; 13. a half-tooth gear; 14. a limiting plate; 15. a spring; 16. a box cover; 17. a material injection pipe; 18. a material injection port; 19. connecting blocks; 20. a discharge outlet; 21. a baffle; 22. a base plate; 23. a pushing frame; 24. a moving wheel; 25. a rotating electric machine.

Detailed Description

As shown in FIGS. 1-4, the embodiment of the utility model provides a sand sieving machine for construction engineering, which comprises a sand sieving box 1, a bottom plate 22 is fixedly connected to the bottom of the sand sieving box 1, a moving wheel 24 is fixedly connected to the bottom of the bottom plate 22, a pushing frame 23 is fixedly connected to the top of the bottom plate 22, the device can be moved conveniently by arranging the pushing frame 23 and the moving wheel 24, the flexibility of the whole device is increased, a rotating rod 2 is rotatably connected to the inner wall of the sand sieving box 1, a fixed block 3 is fixedly connected to the outer surface of the rotating rod 2, a fixed frame 4 is fixedly connected to the top of the fixed block 3, a sieving frame 5 is arranged at the top of the fixed frame 4, a sand sieving net 6 is fixedly connected to the inner side wall of the sieving frame 5, connecting blocks 19 are fixedly connected to the side surface of the fixed frame 4 and the side surface of the sieving frame 5, each connecting block 19 is fixedly connected by, to change clearance with screening sand net 6, the top of screening sand case 1 has case lid 16 through the fixed hinge joint of round pin axle, the one end fixedly connected with handle of case lid 16, the handle through pulling case lid 16 one end is opened with the top of screening sand case 1, come to change the maintenance to the inside part of screening sand case 1, the top fixedly connected with injection pipe 17 of case lid 16, injection pipe 17 runs through the top of case lid 16 and extends to the inside of screening sand case 1, the top fixedly connected with sprue 18 of injection pipe 17, pour the inside of sprue 18 into with the raw materials sand, flow to the inside of screening sand case 1 through injection pipe 17 and sieve, the lower part fixedly connected with bin outlet 20 of screening sand case 1 side, the one end of bin outlet 20 is equipped with sealed lid, the sealed lid that will sieve through opening bin outlet 20 one end discharges the inside of screening sand through bin outlet 20.

The front of the sand screening box 1 is fixedly connected with a driving box 7, a rotating rod 2 sequentially penetrates through the inner wall of the sand screening box 1 and the back of the driving box 7 and extends to the inside of the driving box 7, the outer surface of the rotating rod 2 is fixedly connected with a connecting gear 8, the inner side wall of the driving box 7 is fixedly connected with a sliding rod 9, the outer surface of the sliding rod 9 is slidably connected with a movable block 10, the top and the bottom of the movable block 10 are respectively and fixedly connected with an upper rack 11 and a lower rack 12, the upper rack 11 and the connecting gear 8, the inner wall of the driving box 7 is rotatably connected with a half-tooth gear 13, the lower rack 12 is meshed with the half-tooth gear 13, the outer surface of the sliding rod 9 is fixedly connected with a limiting plate 14 and a sleeved spring 15, the inner bottom wall of the sand screening box 1 is fixedly connected with a guide plate 21 matched with the sand screening box 1, the front of the driving box 7 is fixedly, the output of rotating electrical machines 25 runs through the front of drive case 7 and extends to the inside of drive case 7, and rotating electrical machines 25's output and half-tooth gear 13 fixed connection make the sand that sieves pile up to the one end of bin outlet 20 through setting up guide plate 21, drive half-tooth gear 13 through starting rotating electrical machines 25 and rotate.

When the sand screening machine for the building engineering is used, the rotating motor 25 is connected with a municipal power supply, sand to be screened is poured into the injection port 18, flows to the inside of the screening frame 5 through the injection pipe 17, is screened through the sand screening net 6, the half-tooth gear 13 is driven to rotate by starting the rotating motor 25, the movable block 10 is driven to move rightwards under the action of the lower rack 12 through the rotation of the half-tooth gear 13, when the gear surface of the half-tooth gear 13 is far away from the lower rack 12, the movable block 10 is driven to move leftwards through the compression rebound of the spring 15, so that the movable block 10 is driven to do left-right reciprocating motion through the continuous rotation of the half-tooth gear 13, the rotating rod 2 is driven to do positive and negative reciprocating rotation through the arranged upper rack 11 and the connecting gear 8, the rotating rod 2 of the screening frame 5 does left-right reciprocating swing, so that the sand on the top of the sand screening net 6 is screened left-right swinging around the top of the sand, thereby screening efficiency has been accelerated, prevents that the sand grain of large granule from blockking sieve sand screen 6, and the sealed lid through opening bin outlet 20 one end comes the inside of the sand screening case 1 of screening through bin outlet 20 discharge, opens the top of sieve sand case 1 through case lid 16, comes to be convenient for separate sieve frame 5 and mount 4 through taking off the bolt, comes to change the clearance with sieve sand screen 6.

Claims

1. The utility model provides a screening machine for building engineering, includes screening sandbox (1), its characterized in that: the inner wall of the sand screening box (1) is rotatably connected with a rotating rod (2), the outer surface of the rotating rod (2) is fixedly connected with a fixed block (3), the top of the fixed block (3) is fixedly connected with a fixed frame (4), the top of the fixed frame (4) is provided with a screening frame (5), the inner side wall of the screening frame (5) is fixedly connected with a sand screening net (6), the front side of the sand screening box (1) is fixedly connected with a driving box (7), the rotating rod (2) sequentially penetrates through the inner wall of the sand screening box (1) and the back side of the driving box (7) and extends into the driving box (7), the outer surface of the rotating rod (2) is fixedly connected with a connecting gear (8), the inner side wall of the driving box (7) is fixedly connected with a sliding rod (9), the outer surface of the sliding rod (9) is slidably connected with a movable block (10), the top and the bottom of the movable block (, the upper rack (11) and the connecting gear (8), the inner wall of the driving box (7) is rotatably connected with a half-tooth gear (13), the lower rack (12) is meshed with the half-tooth gear (13), and the outer surface of the sliding rod (9) is fixedly connected with a limiting plate (14) and sleeved with a spring (15).

2. The sand sieving machine for the building engineering according to claim 1, characterized in that: the top of the sand screening box (1) is fixedly hinged with a box cover (16) through a pin shaft, and one end of the box cover (16) is fixedly connected with a handle.

3. The sand sieving machine for the building engineering according to claim 2, characterized in that: the top fixedly connected with notes material pipe (17) of case lid (16), notes material pipe (17) run through the top of case lid (16) and extend to the inside of screening sandbox (1), the top fixedly connected with sprue (18) of notes material pipe (17).

4. The sand sieving machine for the building engineering according to claim 1, characterized in that: the side of the fixing frame (4) and the side of the screening frame (5) are fixedly connected with connecting blocks (19), and each group of connecting blocks (19) are fixedly connected through bolts.

5. The sand sieving machine for the building engineering according to claim 1, characterized in that: the lower part of one side surface of the sand sieving box (1) is fixedly connected with a discharge outlet (20), and one end of the discharge outlet (20) is provided with a sealing cover.

6. The sand sieving machine for the building engineering according to claim 1, characterized in that: the bottom fixedly connected with bottom plate (22) of screening sandbox (1), the bottom fixedly connected with of bottom plate (22) removes wheel (24), and the top fixedly connected with of bottom plate (22) pushes away frame (23).

7. The sand sieving machine for the building engineering according to claim 1, characterized in that: sieve guide plate (21) of interior diapire fixedly connected with and sieve sandbox (1) looks adaptation of sandbox (1), the front fixedly connected with rotating electrical machines (25) of drive case (7), the output of rotating electrical machines (25) run through the front of drive case (7) and extend to the inside of drive case (7), the output and half-tooth gear (13) fixed connection of rotating electrical machines (25).