CN219723206U

CN219723206U - Mining double-screw classifier

Info

Publication number: CN219723206U
Application number: CN202320531019.3U
Authority: CN
Inventors: 罗刚; 杜国军; 张明旭; 吴德刚; 宋俊明; 金伟
Original assignee: Dandong Qingchengzi Mining Industry Co ltd
Current assignee: Dandong Qingchengzi Mining Industry Co ltd
Priority date: 2023-03-18
Filing date: 2023-03-18
Publication date: 2023-09-22
Anticipated expiration: 2033-03-18

Abstract

The utility model relates to a mining double-screw classifier, which comprises a shell and a support frame, wherein the shell is arranged on the support frame, a lifting device, a protecting device and a driving device are arranged in the shell, the lifting device comprises a baffle plate, a connecting rod, a screw rod, a first motor, a first bevel gear and a second bevel gear, the first motor is arranged on one side of the shell, an output shaft of the first motor is connected with the first bevel gear, the second bevel gear is sheathed outside the screw rod in a threaded manner, the first bevel gear is meshed with the second bevel gear, the bottom of the screw rod is connected with the connecting rod, the bottom of the connecting rod is connected with the baffle plate, and the baffle plate is in sliding fit with the shell.

Description

Mining double-screw classifier

Technical Field

The utility model relates to the technical field of graders, in particular to a mining double-screw grader.

Background

A classifier is a device that classifies sand and fine mud, or classifies pulp in size. When the existing classifier is used, water is injected into the classifier, when the water level exceeds the overflow plate, fine mud with smaller granularity floats on the water surface under the drive of the spiral rod stirring, along with the overflow of the water from the overflow plate, ore sand with larger granularity can be precipitated to the bottom of the classifier body, and the ore sand is driven to move upwards by the spiral rod until being discharged from the discharge hole. The height of an overflow plate in the existing grader can be adjusted, when the height is adjusted, the overflow plate is driven to move up and down by stretching out and drawing back by a hydraulic cylinder, when the hydraulic cylinder is arranged below the overflow plate, mud can be scattered on the hydraulic cylinder and adhered to a telescopic rod of the hydraulic cylinder, so that a telescopic opening of the hydraulic cylinder can be blocked when the telescopic rod moves, and when the hydraulic cylinder is arranged above the overflow plate, a small part of mud can be splashed onto the telescopic rod of the hydraulic cylinder, so that the problems are caused; and when the double helix in the existing double helix classifier rotates, two power sources are generally adopted for control, so that the equipment cost, the maintenance cost, the electric charge and other partial expenses can be increased.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a mining double-screw classifier to solve the technical problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mining double helix grader, includes casing and support frame, the casing sets up on the support frame, be equipped with elevating gear, protector and drive arrangement in the casing, elevating gear includes baffle, connecting rod, lead screw, first motor, first bevel gear and second bevel gear, first motor sets up in one side of casing, and its output shaft and first bevel gear are connected, and second bevel gear thread bush is established outside the lead screw, and first bevel gear and second bevel gear meshing, the bottom and the connecting rod of lead screw are connected, the bottom and the baffle of connecting rod are connected, baffle and casing sliding fit, drive arrangement includes first rotation axis, second rotation axis, first flight, second flight and actuating mechanism, first rotation axis and second rotation axis all rotate the setting in the casing, and first flight and second flight are fixed the cover respectively and are established outside first rotation axis and second rotation axis.

Preferably, the protector includes first mounting bracket, first protection casing, guard plate and connecting seat, first mounting bracket sets up in one side of casing, and first motor setting is on first mounting bracket, and first protection casing cover is established outside first motor, and the lead screw slides and runs through first protection casing, and the bottom at the lead screw is established to the fixed cover of connecting seat, and the bottom and the connecting seat fixed connection of guard plate, guard plate and lead screw correspond, are convenient for protect first motor and lead screw.

Further preferably, the position on the shell corresponding to the baffle is provided with a through groove, both sides of the through groove are provided with guide blocks, both sides of the baffle are provided with sliding blocks, the guide blocks are provided with sliding grooves matched with the sliding blocks, and the guide blocks and the shell are detachably connected through bolts so as to facilitate sliding fit of the baffle and the shell.

Further preferably, the driving mechanism comprises a second motor, a first belt pulley, a second belt pulley, a transmission belt, a first gear and a second gear, wherein an output shaft of the second motor is connected with the first belt pulley, the second belt pulley is sleeved outside the first rotating shaft, the first belt pulley is connected with the second belt pulley through the transmission belt, the first gear is meshed with the second gear, and the first gear is sleeved outside the first rotating shaft and the second rotating shaft respectively, so that the first rotating shaft and the second rotating shaft are conveniently driven to rotate.

Further preferably, the housing is provided with a mounting plate on one side close to the driving mechanism, the second motor is arranged on the mounting plate, and a second protective cover is arranged outside the second motor, so that the second motor is protected conveniently.

Further preferably, the bottom of one side of the shell, which is close to the driving mechanism, is provided with a discharging chute, the bottom of the discharging chute is provided with a guiding channel, discharging is facilitated, and the second motor is further protected.

Further preferably, the baffle is provided with a connecting block, the connecting block is sleeved outside the connecting rod, the connecting block and the connecting rod are detachably connected through bolts, the baffle and the connecting rod are convenient to detach and connect, the baffle is convenient to detach from the guide block, the sliding chute and the sliding block are cleaned, and clamping is prevented, so that smooth up-and-down movement is prevented.

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

1. the lifting device is arranged in the utility model, so that the screw rod is conveniently driven to move up and down by the rotation of the first motor, the first motor is arranged above the baffle plate to prevent muddy water from directly flowing onto the first motor, and the first motor is provided with the first protective cover to further prevent muddy water from splashing onto the first motor;

2. the protective device is arranged in the utility model, the lead screw is shielded by the protective plate, mud is prevented from splashing on the lead screw, sediment remains in a gap of the lead screw, the lead screw is influenced to be matched with the second bevel gear, the protective plate moves up and down along with the lead screw, the lead screw can be always protected, and normal discharging is not influenced;

3. the driving device is arranged in the utility model, the first rotating shaft and the second rotating shaft are driven to rotate together through the second motor, so that the power source is saved, the equipment cost, the maintenance cost and the like are saved, and the second motor is externally provided with the second protective cover, so that the second motor can be protected.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a mining double-screw classifier in the present utility model;

FIG. 2 is a schematic diagram of a driving device according to the present utility model;

FIG. 3 is a schematic view of the structure of the housing according to the present utility model;

FIG. 4 is a schematic diagram of a lifting device according to the present utility model;

FIG. 5 is a schematic view of the structure of FIG. 3 at another angle in the present utility model.

In the figure: 1. a housing; 2. a support frame; 3. a baffle; 4. a connecting rod; 5. a screw rod; 6. a first motor; 7. a first bevel gear; 8. a second bevel gear; 9. a first rotation shaft; 10. a second rotation shaft; 11. a first flight; 12. a second flight; 13. a first mounting frame; 14. a first shield; 15. a protection plate; 16. a connecting seat; 17. a through groove; 18. a guide block; 19. a slide block; 20. a chute; 21. a second motor; 22. a first pulley; 23. a second pulley; 24. a transmission belt; 25. a first gear; 26. a second gear; 27. a mounting plate; 28. a second shield; 29. a discharge chute; 30. a guide channel; 31. and (5) connecting a block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-5, a mining double-screw classifier comprises a shell 1 and a support frame 2, wherein the shell 1 is arranged on the support frame 2, a lifting device, a protecting device and a driving device are arranged in the shell 1, the lifting device comprises a baffle 3, a connecting rod 4, a screw rod 5, a first motor 6, a first bevel gear 7 and a second bevel gear 8, the first motor 6 is arranged on one side of the shell 1, an output shaft of the first motor is connected with the first bevel gear 7, the second bevel gear 8 is sleeved outside the screw rod 5 in a threaded manner, the first bevel gear 7 is meshed with the second bevel gear 8, the bottom of the screw rod 5 is connected with the connecting rod 4, the bottom of the connecting rod 4 is connected with the baffle 3, the baffle 3 is in sliding fit with the shell 1, the driving device comprises a first rotating shaft 9, a second rotating shaft 10, a first spiral piece 11, a second spiral piece 12 and a driving mechanism, the first rotating shaft 9 and the second rotating shaft 10 are all rotatably arranged in the shell 1, and the first spiral piece 11 and the second spiral piece 12 are fixedly sleeved outside the first rotating shaft 9 and the second rotating shaft 10 respectively. The side of the shell 1 close to the driving mechanism is provided with a mounting plate 27, the second motor 21 is arranged on the mounting plate 27, and a second protective cover 28 is arranged outside the second motor 21. The baffle 3 is provided with a connecting block 31, the connecting block 31 is sleeved outside the connecting rod 4, and the connecting block 31 is detachably connected with the connecting rod 4 through bolts.

Referring to fig. 1-5, the protection device includes a first mounting frame 13, a first protection cover 14, a protection plate 15 and a connection seat 16, wherein the first mounting frame 13 is arranged on one side of the housing 1, the first motor 6 is arranged on the first mounting frame 13, the first protection cover 14 is sleeved outside the first motor 6, the screw rod 5 penetrates through the first protection cover 14 in a sliding manner, the connection seat 16 is fixedly sleeved at the bottom of the screw rod 5, the bottom of the protection plate 15 is fixedly connected with the connection seat 16, and the protection plate 15 corresponds to the screw rod 5. When the device is used, the first motor 6 is started, so that the first motor drives the first bevel gear 7 to rotate, the screw rod 5 is driven to move up and down through the rotation of the second bevel gear 8, the protection plate 15 is driven to move up and down when the screw rod 5 moves, the screw rod 5 is protected, and fine mud is prevented from splashing outside the screw rod 5.

Referring to fig. 1-5, a through groove 17 is formed in a position, corresponding to the baffle plate 3, on the housing 1, guide blocks 18 are arranged on two sides of the through groove 17, sliding blocks 19 are arranged on two sides of the baffle plate 3, sliding grooves 20 matched with the sliding blocks 19 are formed in the guide blocks 18, and the guide blocks 18 are detachably connected with the housing 1 through bolts. When the device is used, the lead screw 5 drives the connecting rod 4 to move up and down when moving up and down, and then drives the baffle 3 to move up and down along the directions of the sliding block 19 and the sliding groove 20, the distance between the upper surface of the baffle 3 and the shell 1 is adjusted, the overflow height is adjusted, the size of a sedimentation area is adjusted, and then the grading granularity is adjusted.

Referring to fig. 1-5, the driving mechanism includes a second motor 21, a first pulley 22, a second pulley 23, a driving belt 24, a first gear 25 and a second gear 26, wherein an output shaft of the second motor 21 is connected with the first pulley 22, the second pulley 23 is sleeved outside the first rotating shaft 9, the first pulley 22 and the second pulley 23 are connected through the driving belt 24, and the first gear 25 and the second gear 26 are meshed and sleeved outside the first rotating shaft 9 and the second rotating shaft 10 respectively. The bottom of the side of the shell 1 close to the driving mechanism is provided with a discharge chute 29, and the bottom of the discharge chute 29 is provided with a guide channel 30. When the novel spiral piece feeding device is used, the second motor 21 is started to enable the first belt pulley 22 to rotate, the second belt pulley 23 is driven to rotate through the transmission belt 24, the second belt pulley 23 and the first gear 25 are sleeved outside the first rotating shaft 9, when the second belt pulley 23 rotates, the first gear 25 is driven to rotate together with the first rotating shaft 9, the first gear 25 is meshed with the second gear 26, the second rotating shaft 10 is driven to rotate, when the first rotating shaft 9 and the second rotating shaft 10 rotate, the first spiral piece 11 and the second spiral piece 12 are driven to rotate, feeding is carried out, and when large-particle sediment reaches the discharging groove 29, the large-particle sediment is discharged through the guide channel 30.

Example 2:

during the use, according to classifying requirement, adjust the height of baffle 3, after adjusting, pour into casing 1 with the mud in, and last injection water in casing 1, start second motor 21, make it transfer first band pulley 22 rotation, and then drive second band pulley 23 rotation through drive belt 24, second band pulley 23 and first gear 25 are all overlapped and are established outside first rotation axis 9, when second band pulley 23 rotates, drive first gear 25 and first rotation axis 9 and rotate together, first gear 25 and second gear 26 meshing, and then drive second rotation axis 10 rotation, first rotation axis 9 and second rotation axis 10 are when rotating, drive first flight 11 and second flight 12 rotation, classify mud, big granule silt deposits in the bottom, little granule silt floats in the sleep along with the water level, until it is higher than the upper surface of baffle 3, little granule silt shifts out in the casing 1 along with the water that overflows this moment together, first flight 11 and second flight 12 are rotating, still can carry out the pay-off to the big granule silt of bottom when carrying out the rotation, when big granule of mud and sediment reaches the guide channel 30, realize the classification of mud and discharge channel.

Example 3:

when the height of baffle 3 is adjusted, start first motor 6, make it drive first bevel gear 7 and rotate, and then drive lead screw 5 reciprocates through the rotation of second bevel gear 8, lead screw 5 is when moving, drive guard plate 15 reciprocates, protect lead screw 5, prevent that fine mud from splashing outside lead screw 5, lead screw 5 reciprocates when moving, drive connecting rod 4 reciprocates, and then drive baffle 3 and reciprocate along the direction of slider 19 and spout 20, adjust the distance between baffle 3 upper surface and the casing 1, and then adjust overflow height, adjust the size of sedimentation area, and then adjust hierarchical granularity.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a mining double helix grader, includes casing (1) and support frame (2), its characterized in that: the utility model discloses a shell body, including casing (1), support frame (2), be equipped with elevating gear, protector and drive arrangement in casing (1), elevating gear includes baffle (3), connecting rod (4), lead screw (5), first motor (6), first bevel gear (7) and second bevel gear (8), first motor (6) set up in one side of casing (1), and its output shaft and first bevel gear (7) are connected, second bevel gear (8) thread bush is established outside lead screw (5), and first bevel gear (7) and second bevel gear (8) meshing, the bottom and the connecting rod (4) of lead screw (5) are connected, the bottom and the baffle (3) of connecting rod (4) are connected, baffle (3) and casing (1) sliding fit, drive arrangement includes first rotation axis (9), second rotation axis (10), first flight (11), second flight (12) and actuating mechanism, first rotation axis (9) and second rotation axis (10) all rotate and set up in casing (1), first rotation axis (12) and second rotation axis (10) are established respectively at first rotation axis (10).

2. A mining double helix classifier as claimed in claim 1, wherein: the protection device comprises a first mounting frame (13), a first protection cover (14), a protection plate (15) and a connecting seat (16), wherein the first mounting frame (13) is arranged on one side of the shell (1), a first motor (6) is arranged on the first mounting frame (13), the first protection cover (14) is sleeved outside the first motor (6), the screw (5) penetrates through the first protection cover (14) in a sliding mode, the connecting seat (16) is fixedly sleeved at the bottom of the screw (5), and the bottom of the protection plate (15) is fixedly connected with the connecting seat (16), and the protection plate (15) corresponds to the screw (5).

3. A mining double helix classifier as claimed in claim 1, wherein: the novel anti-theft device is characterized in that through grooves (17) are formed in the positions, corresponding to the baffle plates (3), of the shell (1), guide blocks (18) are arranged on two sides of the through grooves (17), sliding blocks (19) are arranged on two sides of the baffle plates (3), sliding grooves (20) matched with the sliding blocks (19) are formed in the guide blocks (18), and the guide blocks (18) are detachably connected with the shell (1) through bolts.

4. A mining double helix classifier as claimed in claim 1, wherein: the driving mechanism comprises a second motor (21), a first belt wheel (22), a second belt wheel (23), a transmission belt (24), a first gear (25) and a second gear (26), wherein an output shaft of the second motor (21) is connected with the first belt wheel (22), the second belt wheel (23) is sleeved outside the first rotating shaft (9), the first belt wheel (22) is connected with the second belt wheel (23) through the transmission belt (24), and the first gear (25) is meshed with the second gear (26) and sleeved outside the first rotating shaft (9) and the second rotating shaft (10) respectively.

5. The mining double helix classifier as claimed in claim 4, wherein: one side of the shell (1) close to the driving mechanism is provided with a mounting plate (27), the second motor (21) is arranged on the mounting plate (27), and a second protective cover (28) is arranged outside the second motor (21).

6. The mining double helix classifier as claimed in claim 4, wherein: the bottom of one side of the shell (1) close to the driving mechanism is provided with a discharge chute (29), and the bottom of the discharge chute (29) is provided with a guide channel (30).

7. A mining double helix classifier as claimed in claim 1, wherein: the baffle (3) is provided with a connecting block (31), the connecting block (31) is sleeved outside the connecting rod (4), and the connecting block (31) is detachably connected with the connecting rod (4) through bolts.