CN216539484U

CN216539484U - Multistage screening plant is used in mechanism sand production

Info

Publication number: CN216539484U
Application number: CN202123148582.2U
Authority: CN
Inventors: 曹建华; 廖崇宏; 陈武光
Original assignee: Hubei Chengmei Building Materials Co ltd
Current assignee: Hubei Chengmei Building Materials Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-05-17
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a multistage screening device for producing machine-made sand, which relates to the technical field of machine-made sand screening and aims to solve the problems that the existing multistage screening device cannot separate iron powder in the machine-made sand, and if the iron content in the machine-made sand is too large, the performance of concrete made of the machine-made sand is reduced, an electromagnetic iron sucker is fixedly arranged above a turnover cover, an angle adjusting end and a rotating end are respectively arranged at two sides of a screening mechanism and are positioned at the same side, one side of the inner wall of the angle adjusting end is meshed with a gear shaft, an installation box is arranged at one side below a feeding port, a lead screw motor is arranged above the installation box, a sliding groove is arranged inside the installation box, a lead screw is arranged inside the sliding groove, a sliding block is arranged outside the lead screw, and a rotating block is slidably arranged at one end of the sliding block, which is far away from the installation box, one side of the rotating block is rotationally connected with the first screening net.

Description

Multistage screening plant is used in mechanism sand production

Technical Field

The utility model relates to the technical field of machine-made sand screening, in particular to a multistage screening device for machine-made sand production.

Background

The machine-made sand is prepared by mechanically crushing and screening rocks, mine tailings or industrial waste residue particles instead of natural sand as aggregate, so that the problem of insufficient supply of the natural sand can be solved, the utilization rate of solid waste resources is improved, and the machine-made sand has obvious environmental protection, resource saving and social and economic comprehensive benefits, is widely applied, can be processed into sands with different rules and sizes according to different process requirements and can better meet daily requirements, and can be screened out gravels with different specifications only by a multi-stage screening device.

The existing multistage screening device cannot separate iron powder from machine-made sand, and if the iron content in the machine-made sand is too high, the performance of concrete made of the machine-made sand is reduced, so that the multistage screening device for producing the machine-made sand is provided, and the problems are solved conveniently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multistage screening device for producing machine-made sand, which aims to solve the problems that the existing multistage screening device cannot separate iron powder from the machine-made sand, and if the iron content in the machine-made sand is too high, the performance of concrete prepared from the machine-made sand is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: a multi-stage screening device for machine-made sand production comprises a supporting mechanism, a screening mechanism is mounted above the supporting mechanism, a supporting frame is arranged at the outer end of the supporting mechanism, a gear shaft is arranged on the inner side of the upper end of one side of the supporting mechanism, a rotating motor is arranged on the outer side of the upper end of one side of the supporting mechanism and is in transmission connection with the gear shaft, a feeding port is arranged on one side above the screening mechanism, a turnover cover is rotatably mounted on one side above the feeding port, an electromagnetic iron absorber is fixedly mounted above the turnover cover, an angle adjusting end and a rotating end are respectively arranged on two sides of the screening mechanism, the angle adjusting end and the rotating end are positioned on the same side, one side of the inner wall of the angle adjusting end is meshed with the gear shaft, an installation box is arranged on one side below the feeding port, a lead screw motor is arranged above the installation box, a sliding groove is formed in the installation box, the inside lead screw that is provided with of sliding tray, the lead screw outside is provided with the sliding block, and the sliding block keeps away from the one end slidable mounting of install bin has the turning block, turning block one side is connected with first screening net rotation.

Preferably, the supporting mechanism comprises a supporting frame, a spring, a mounting frame, a mounting end, gear rods, a rotating motor, a rotating rod and a gear shaft, the mounting frame is arranged inside the supporting frame, the two gear rods are relatively mounted on one side of the mounting frame, and the gear shaft is arranged at one end of each gear rod.

Preferably, four corners top fixed mounting of support frame have four group's springs, and the mounting bracket opposite side installs two dwang relatively, dwang and gear pole outside fixed mounting have the installation end, and installation end below and spring upper end fixed connection.

Preferably, screening mechanism includes pan feeding mouth, flip lid, electromagnetism magnet ware, angle modulation end, rotates the end, goes up discharge end, well discharge end, lower discharge end, screening chamber, first screening net, second screening net, vibrating motor, collecting vat, fixed orifices, install bin, screw motor, sliding tray, lead screw, sliding block and rotor block, the fixed orifices has been seted up to flip lid front end both sides, the collecting vat has been seted up to flip lid's lower extreme, flip lid front end passes fixed orifices and screening mechanism fixed connection through the bolt.

Preferably, dwang upper end inboard is rotated with the rotation end and is connected, screening mechanism one side intermediate position department is provided with well discharge end, and well discharge end top is provided with the discharge end, screening mechanism one side lower extreme is provided with down the discharge end, screening mechanism has inside offered the screening chamber, and screens chamber and last discharge end, well discharge end and lower discharge end and link up mutually, lead screw motor is connected with screw drive, the lead screw is connected with the sliding block transmission, the sliding block is connected with the sliding tray transmission, the sliding block is close to screening chamber one side and is provided with the turning block, and sliding block and turning block sliding connection, the turning block rotates with first screening net and is connected.

Preferably, first screening net opposite side rotates with the screening chamber to be connected, first screening net below is provided with the second screening net, well discharge end is located same horizontal plane with the second screening net upper surface with screening chamber junction lower surface, screening mechanism one side below fixed mounting has vibrating motor.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the electromagnetic iron attracting device is fixedly arranged above the turnover cover, and the iron powder in the machine-made sand below the electromagnetic iron attracting device is adsorbed in the collecting tank by the magnetic force generated by electrifying the electromagnetic iron attracting device, so that the iron content of the machine-made sand is effectively reduced, the performance of the concrete made of the machine-made sand is improved, when the iron powder adsorbed in the collecting tank needs to be cleaned, the turnover cover is turned over, the electrification of the electromagnetic iron attracting device is stopped, and the cleaning can be carried out.

2. The sieve surface with large inclination angle can ensure that the machine-made sand is easily discharged from the sieve pores under the vibration condition, namely the gravity moment of the machine-made sand left in the sieve pores is obviously reduced, so that the exciting moment of the machine-made sand discharging sieve pores can be increased, the effective area of the sieve surface is relatively increased, the utility model is connected with the rotation end through the rotation of the rotating rod, the rotating motor drives the gear shaft to rotate at one side inside the angle adjusting end so as to drive the screening mechanism to adjust the angle, and lead screw motor drive lead screw makes the sliding block drive the turning block and makes first screening net carry out angle modulation, and the staff can adjust the corresponding angle of first screening net and second screening net according to the specification of machine-made sand and improve and pass through screening probability and screening efficiency.

Drawings

FIG. 1 is an isometric view of an operating condition of the present invention;

FIG. 2 is an isometric view of another operating condition of the present invention;

FIG. 3 is an exploded view of the support mechanism and sifting mechanism of the present invention;

FIG. 4 is a cross-sectional view of the present invention

FIG. 5 is a schematic view of the connection between the angle adjusting end and the gear shaft according to the present invention

Fig. 6 is a partially enlarged view of the region a of the present invention.

In the figure: 1. a support mechanism; 2. a screening mechanism; 11. a support frame; 12. a spring; 13. a mounting frame; 14. an installation end; 15. a gear lever; 16. a rotating electric machine; 17. rotating the rod; 18. a gear shaft; 21. a feeding port; 22. turning over the cover; 23. an electromagnetic iron attracting device; 24. an angle adjusting end; 25. a rotating end; 26. an upper discharge end; 27. a middle discharge end; 28. a lower discharge end; 29. a screening chamber; 30. a first screening net; 31. a second screening mesh; 32. a vibration motor; 33. collecting tank; 34. a fixing hole; 35. installing a box; 36. a lead screw motor; 37. a sliding groove; 38. a lead screw; 39. a slider; 40. and (6) rotating the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, an embodiment of the present invention is shown: a multi-stage screening device for machine-made sand production comprises a supporting mechanism 1, a screening mechanism 2 is installed above the supporting mechanism 1, a supporting frame 11 is arranged at the outer end of the supporting mechanism 1, a gear shaft 18 is arranged on the inner side of the upper end of one side of the supporting mechanism 1, a rotating motor 16 is arranged on the outer side of the upper end of one side of the supporting mechanism 1, the rotating motor 16 is in transmission connection with the gear shaft 18, a feeding port 21 is arranged on one side above the screening mechanism 2, a turnover cover 22 is rotatably installed on one side above the feeding port 21, an electromagnetic iron absorber 23 is fixedly installed above the turnover cover 22, an angle adjusting end 24 and a rotating end 25 are respectively arranged on two sides of the screening mechanism 2, the angle adjusting end 24 and the rotating end 25 are located on the same side, one side of the inner wall of the angle adjusting end 24 is meshed with the gear shaft 18, an installation box 35 is arranged on one side below the feeding port 21, a lead screw motor 36 is arranged above the installation box 35, a sliding groove 37 is formed in the installation box 35, a lead screw 38 is arranged inside the sliding groove 37, a sliding block 39 is arranged outside the lead screw 38, a rotating block 40 is slidably mounted at one end, far away from the mounting box 35, of the sliding block 39, one side of the rotating block 40 is rotatably connected with the first sieving net 30, and the lead screw motor 36 drives the lead screw 38 to enable the sliding block 39 to drive the rotating block 40 to enable the first sieving net 30 to carry out angle adjustment.

Further, supporting mechanism 1 includes support frame 11, spring 12, mounting bracket 13, installation end 14, gear pole 15, rotating electrical machines 16, dwang 17 and

gear shaft

18, and 11 inside mounting brackets 13 that are provided with of support frame, and two gear poles 15 are installed relatively to mounting bracket 13 one side, and 15 one ends of gear pole are provided with gear shaft 18, thereby 16 drive gear shafts 18 of rotating electrical machines rotate in 24 inside one sides of angle modulation end and drive screening mechanism 1 and carry out the angle modulation.

Further, 11 four corners of support frame top fixed mounting have four group's springs 12, and mounting bracket 13 opposite side installs two dwang 17 relatively, and dwang 17 and 15 outside fixed mounting of gear pole have installation end 14, and installation end 14 below and spring 12 upper end fixed connection, and spring 12 can effectively strengthen the vibration effect, improves the screening quality.

Further, the screening mechanism 2 comprises a feeding port 21, an overturning cover 22, an electromagnetic iron attracting device 23, an angle adjusting end 24, a rotating end 25, an upper discharging end 26, a middle discharging end 27, a lower discharging end 28, a screening cavity 29, a first screening net 30, a second screening net 31, a vibrating motor 32, a collecting tank 33, a fixing hole 34, an installation box 35, a lead screw motor 36, a sliding groove 37, a lead screw 38, a sliding block 39 and a rotating block 40, wherein the two sides of the front end of the overturning cover 22 are provided with the fixing hole 34, the lower end of the overturning cover 22 is provided with the collecting tank 33, the front end of the overturning cover 22 passes through the fixing hole 34 through a bolt to be fixedly connected with the screening mechanism 2, the electromagnetic iron attracting device 23 is fixedly installed above the overturning cover 22, the magnetic iron attracting device 23 is electrified, magnetic force generated by the electrification of the electromagnetic iron attracting device 23 adsorbs iron powder in the machine-made sand below the electromagnetic iron attracting device 23 in the collecting tank 33, effectively reduces the iron content of the machine-made sand so as to improve the performance of the concrete made of the machine-made sand.

Further, the inner side of the upper end of the rotating rod 17 is rotatably connected with the rotating end 25, the middle discharging end 27 is arranged in the middle of one side of the screening mechanism 2, the upper discharging end 26 is arranged above the middle discharging end 27, the lower discharging end 28 is arranged at the lower end of one side of the screening mechanism 2, the screening cavity 29 is formed in the screening mechanism 2, the screening cavity 29 is communicated with the upper discharging end 26, the middle discharging end 27 and the lower discharging end 28, the screw motor 36 is in transmission connection with the screw rod 38, the screw rod 38 is in transmission connection with the sliding block 39, the sliding block 39 is in transmission connection with the sliding groove 37, the rotating block 40 is arranged on one side of the sliding block 39 close to the screening cavity 29, the sliding block 39 is in sliding connection with the rotating block 40, the rotating block 40 is in rotation connection with the first screening net 30, and a worker can adjust the angle corresponding to the first screening net 30 according to the specification of machine-made sand to improve the screening probability and the screening efficiency.

Further, first screening net 30 opposite side is rotated with screening chamber 29 and is connected, is provided with second screening net 31 below first screening net 30, and well discharge end 27 and screening chamber 29 junction lower surface and second screening net 31 upper surface are located the coplanar, and screening mechanism 2 one side below fixed mounting has vibrating motor 32, and when the mechanism sand gets into screening chamber 29, vibrating motor 32 produces the vibration, and the mechanism sand sieves through first screening net 30 and second screening net 31.

The working principle is as follows: when the machine-made sand cleaning device is used, firstly, the machine-made sand is placed into the feeding port 21, the electromagnetic iron attracting device 23 is fixedly arranged above the turnover cover 22 and is electrified, magnetic force generated by electrifying the electromagnetic iron attracting device 23 adsorbs iron powder in the machine-made sand below the electromagnetic iron attracting device 23 in the collecting tank 33, the iron content of the machine-made sand is effectively reduced, so that the performance of concrete made of the machine-made sand is improved, when the iron powder adsorbed in the collecting tank 33 needs to be cleaned, the turnover cover 22 is turned over, the electromagnetic iron attracting device 23 is stopped being electrified, cleaning can be carried out, the machine-made sand enters the screening cavity 29, the vibration motor 32 vibrates, the machine-made sand is screened through the first screening net 30 and the second screening net 31, the machine-made sand is discharged through the upper discharging end 26 above the first screening net 30, the machine-made sand above the second screening net 31 is discharged through the middle discharging end 27, and the bottom of the screening cavity 29 is discharged through the lower discharging end 28, supporting mechanism 1 and screening mechanism 2 are still connected through the rotation of dwang 17 with rotation end 25, thereby make rotating electrical machines 16 drive gear shaft 18 rotate at the inside one side of angle modulation end 24 and drive screening mechanism 1 and carry out the angle modulation, and screw motor 36 drive lead screw 38 makes sliding block 39 drive turning block 40 make first screening net 30 carry out the angle modulation, the staff can adjust first screening net 30 and the corresponding angle of second screening net 31 according to the specification of machine-made sand and improve and pass through sieve probability and screening efficiency.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a multistage screening plant is used in production of mechanism sand, includes supporting mechanism (1), its characterized in that: the screening mechanism (2) is installed above the supporting mechanism (1), the supporting frame (11) is arranged at the outer end of the supporting mechanism (1), a gear shaft (18) is arranged on the inner side of the upper end of one side of the supporting mechanism (1), a rotating motor (16) is arranged on the outer side of the upper end of one side of the supporting mechanism (1), the rotating motor (16) is in transmission connection with the gear shaft (18), a feeding port (21) is arranged on one side above the screening mechanism (2), a turning cover (22) is rotatably installed on one side above the feeding port (21), an electromagnetic iron sucker (23) is fixedly installed above the turning cover (22), an angle adjusting end (24) and a rotating end (25) are respectively arranged on two sides of the screening mechanism (2), the angle adjusting end (24) and the rotating end (25) are located on the same side, one side of the inner wall of the angle adjusting end (24) is meshed with the gear shaft (18), pan feeding mouth (21) below one side is provided with install bin (35), install bin (35) top is provided with lead screw motor (36), sliding tray (37) have been seted up to install bin (35) inside, sliding tray (37) inside is provided with lead screw (38), lead screw (38) outside is provided with sliding block (39), and sliding block (39) keep away from the one end slidable mounting of install bin (35) and have turning block (40), turning block (40) one side is connected with first screening net (30) rotation.

2. The multi-stage screening device for machine-made sand production according to claim 1, wherein: supporting mechanism (1) is including support frame (11), spring (12), mounting bracket (13), installation end (14), gear pole (15), rotating electrical machines (16), dwang (17) and gear shaft (18), support frame (11) inside is provided with mounting bracket (13), two gear poles (15) are installed relatively to mounting bracket (13) one side, gear pole (15) one end is provided with gear shaft (18).

3. The multi-stage screening device for machine-made sand production according to claim 2, wherein: four corners top fixed mounting of support frame (11) have four group's springs (12), and mounting bracket (13) opposite side installs two dwang (17) relatively, dwang (17) and gear pole (15) outside fixed mounting have installation end (14), and installation end (14) below and spring (12) upper end fixed connection.

4. The multi-stage screening device for machine-made sand production according to claim 3, wherein: screening mechanism (2) are including pan feeding mouth (21), upset lid (22), electromagnetism magnet ware (23), angle modulation end (24), rotation end (25), go up discharge end (26), well discharge end (27), lower discharge end (28), screening chamber (29), first screening net (30), second screening net (31), vibrating motor (32), collecting vat (33), fixed orifices (34), install bin (35), lead screw motor (36), sliding tray (37), lead screw (38), sliding block (39) and rotation piece (40), fixed orifices (34) have been seted up to upset lid (22) front end both sides, collecting vat (33) have been seted up to the lower extreme of upset lid (22), upset lid (22) front end passes fixed orifices (34) and screening mechanism (2) fixed connection through the bolt.

5. The multi-stage screening device for machine-made sand production according to claim 4, wherein: the utility model discloses a screening mechanism, including dwang (17), screening mechanism (2), feed screw motor (36), lead screw (38), slide block (39), feed chute (37), slide block (39), screening chamber (29), and lower discharge end (28), the inboard end of upper end is rotated with rotation end (25) and is connected, screening mechanism (2) one side intermediate position department is provided with well discharge end (27), and well discharge end (27) top is provided with last discharge end (26), screening mechanism (2) one side lower extreme is provided with down discharge end (28), screening mechanism (2) inside has seted up screening chamber (29), and screening chamber (29) link up with last discharge end (26), well discharge end (27) and lower discharge end (28) mutually, lead screw motor (36) are connected with lead screw (38) transmission, lead screw (38) are connected with slide block (39) transmission, slide block (39) are connected with slide groove (37) transmission, slide block (39) are close to screening chamber (29) one side and are provided with turning block (40), and slide block (39) and turning block (40) sliding connection, the rotating block (40) is rotatably connected with the first screening net (30).

6. The multi-stage screening device for machine-made sand production according to claim 4, wherein: first screening net (30) opposite side rotates with screening chamber (29) to be connected, first screening net (30) below is provided with second screening net (31), well discharge end (27) and screening chamber (29) junction lower surface and second screening net (31) upper surface are located same horizontal plane, screening mechanism (2) one side below fixed mounting has vibrating motor (32).