CN209849275U

CN209849275U - Limestone screening equipment

Info

Publication number: CN209849275U
Application number: CN201920632634.7U
Authority: CN
Inventors: 牛刘超
Original assignee: Hebei Dingxing Cement Co Ltd
Current assignee: Hebei Dingxing Cement Co Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2019-12-27
Anticipated expiration: 2029-05-05

Abstract

The utility model discloses a limestone screening device, which relates to the field of screening separation devices and comprises a frame, a vibrating screen arranged on the frame and a material receiving groove arranged below the vibrating screen, wherein slide rails are respectively arranged on two side walls of the frame along the length direction of the vibrating screen, the slide rails are arranged in an inclined manner, the higher end of each slide rail is arranged into an opening, the other end of each slide rail is closed, two rows of parallel rollers are arranged in the slide rails at intervals, the rollers are arranged along the length direction of the slide rails and are all rotatably connected on the side walls of the slide rails, two parallel positioning plates are respectively and fixedly arranged on the surfaces of two sides of the vibrating screen, and the two positioning plates are respectively correspondingly attached on the outer peripheral surfaces of the two rows; the machine frame is also provided with a driving mechanism for controlling the vibrating screen to reciprocate along the sliding rail, and the driving mechanism is positioned on one side of the opening end of the sliding rail. The utility model discloses have smooth operation, screening abundant effect.

Description

Limestone screening equipment

Technical Field

The utility model relates to a screening splitter field, in particular to lime stone screening equipment.

Background

The silicate cement clinker is mainly prepared from limestone which is mined in a mine and needs to be crushed in a crusher, small-particle stone materials obtained after crushing treatment are added into grinding equipment such as a ball mill and the like for grinding, but the stone materials primarily crushed by the crusher have the phenomenon of different particle sizes, if the crushed stone materials contain large-size stone materials, the grinding time can be prolonged after the crushed stone materials are put into the grinding equipment, and the normal operation of the grinding equipment can be influenced in serious cases, so that the crushed stone materials need to be screened.

Traditional shale shaker adopts vibrating motor to drive the mode that shakes the sieve and vibrate in the vertical direction more, reaches the screening effect, but the mode of vertical vibration is higher to the amplitude requirement, otherwise can influence the screening quality, and increase the amplitude not only can increase the motor consumption, and equipment is in long-term the use moreover, is probably because of this kind of vibration by a wide margin leads to the curb plate to appear consequences such as crackle, crossbeam fracture, structure damage, influences the normal operating of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lime stone screening equipment has the advantage that operates steadily, the screening is abundant.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a limestone screening device comprises a rack, a vibrating screen arranged on the rack and a material receiving groove arranged below the vibrating screen, wherein slide rails are respectively arranged on two side walls of the rack along the length direction of the rack, the slide rails are obliquely arranged, the higher end of each slide rail is provided with an opening, the other end of each slide rail is provided with a closed opening, two rows of parallel rollers are arranged in the slide rails at intervals, the rollers are arranged along the length direction of the slide rails and are rotatably connected to the side walls of the slide rails, two parallel positioning plates are respectively fixedly arranged on the surfaces of two sides of the vibrating screen, and the two positioning plates are correspondingly attached to the outer peripheral surfaces of the two rows of rollers respectively; the machine frame is also provided with a driving mechanism for controlling the vibrating screen to reciprocate along the sliding rail, and the driving mechanism is positioned on one side of the opening end of the sliding rail.

By adopting the technical scheme, the sliding rails are arranged on the two side walls of the rack, the vibrating screen is arranged in the sliding rails in a sliding manner, the driving mechanism controls the vibrating screen to horizontally reciprocate along the sliding rails, stone materials are fully scattered on the surface of the vibrating screen, the stone materials with smaller particle sizes fall into the receiving groove below through the screen holes, and the sliding rails are slightly inclined, so that the stone materials with larger volume on the vibrating screen can be conveniently and uniformly collected by moving downwards along the vibrating screen; through set up the gyro wheel in the track, the locating plate butt of shaking sieve both sides is on the gyro wheel face, makes the slip of shaking the sieve in the track more smooth and easy and laborsaving.

The utility model discloses further set up to: the driving mechanism comprises a motor, a main shaft positioned on one side of the opening end of the sliding rail, a rotary table fixedly connected to one end of the main shaft, an eccentric shaft fixedly connected to the surface of the rotary table on the side far away from the main shaft, and a connecting rod rotatably connected to the eccentric shaft, a bearing seat is arranged on a cross beam on the side end face of the rack, the main shaft is rotatably arranged on the bearing seat, one end of the main shaft far away from the rotary table is connected with an output shaft of the motor through a belt pulley, and one end of the connecting rod far away.

By adopting the technical scheme, when the motor works, the main shaft and the rotary table are driven to rotate through the belt, the eccentric shaft makes circular motion by taking the center of the rotary table as the center of a circle, when the eccentric shaft rotates close to one side of the vibrating screen, the vibrating screen is pushed to move downwards along the sliding rail, and on the contrary, when the eccentric shaft rotates far away from one side of the vibrating screen, the vibrating screen is pulled to move upwards along the sliding rail, so that the reciprocating motion of the vibrating screen is realized.

The utility model discloses further set up to: the top of sieve that shakes is provided with the feeder hopper, the feeder hopper is the back taper fill, feeder hopper fixed connection just is located the one side that is close to actuating mechanism on the frame inner wall.

Through adopting above-mentioned technical scheme, a large amount of building stones are once only emptyd when shaking on the sieve, can lead to building stones to be on shaking sieve the maldistribution, are difficult to carry out abundant screening to building stones, set up conical feeder hopper, can play the guide effect to the unloading orbit of building stones, and building stones fall to shaking sieve on from its lower port along the feeder hopper, then evenly scatter, guarantee the screening quality.

The utility model discloses further set up to: the below of feeder hopper is provided with the adjusting part who is used for controlling unloading flow, the adjusting part is including setting up the guide plate under the feeder hopper under shed and fixing the dwang on a guide plate keeps away from actuating mechanism side, the dwang rotates to be connected in the frame, the one end of dwang pierces through the curb plate of frame and bending type has the handle, the one end that the dwang is close to the handle is fixed with the rotor plate, be provided with on the rotor plate with its fixed retaining member.

By adopting the technical scheme, when the handle is rotated, the guide plate rotates around the rotating rod, the size of an opening formed between the lower port of the feeding hopper and the guide plate is adjusted, the blanking flow of the feeding hopper is adjusted according to the actual composition of the stone, and the sufficient screening of the stone is further ensured; and the opening that forms between guide plate and the feed inlet lower port is towards actuating mechanism one side, and the building stones slides to actuating mechanism one side along the guide plate, and the distance that building stones removed on the surface of the sieve that shakes is longer, also is convenient for fully sieve.

The utility model discloses further set up to: the retaining member is including setting up screw rod and the lock nut of threaded connection on the screw rod in dwang one side, screw rod fixed connection is in the frame, the arc wall has been seted up on the rotor plate, the screw rod is worn to establish in the arc wall, fixedly connected with holding ring on the screw rod, the holding ring laminating is on the side surface that the rotor plate is close to the frame, lock nut's side end face supports tightly on the side surface that the frame was kept away from at the rotor plate.

Through adopting above-mentioned technical scheme, when rotating the handle, the rotor plate slides along the arc wall, makes its side end face support tightly on the rotor plate through the lock nut of screwing, and dwang and guide plate can obtain fixedly.

The utility model discloses further set up to: the locking nut is a butterfly nut.

Through adopting above-mentioned technical scheme, make things convenient for the manual rotating lock nut of staff, need not with the help of spanner or other appurtenance, it is more convenient to operate.

The utility model discloses further set up to: one side of the feed hopper close to the driving mechanism is provided with a baffle which is fixedly connected on the frame.

Through adopting above-mentioned technical scheme, prevent that the building stones from falling or falling to the outside of shaking the sieve along the in-process that shakes the sieve vibration in the feeder hopper.

The utility model discloses further set up to: one end of the material receiving groove, which is far away from the driving mechanism, is downwards inclined and is bent towards one side of the rack, and fillets are smoothly transited between the bottom wall of the material receiving groove and two side walls of the material receiving groove.

Through adopting above-mentioned technical scheme, can prevent effectively that the building stones after the screening from accumulating in the both sides of receiving the silo bottom surface along the in-process that receives the silo gliding downwards.

To sum up, the utility model discloses a beneficial technological effect does:

1. the track is arranged on the rack, the idler wheels are arranged in the track, and the vibrating screen reciprocates along the track in an approximately horizontal track, so that the damage to the whole equipment is reduced, stones are more easily scattered along the surface of the vibrating screen, and the screening effect is better;

2. through the setting of feeder hopper and adjusting part, the unloading position and the unloading flow of convenient control building stones make the building stones more even that scatter on the sieve that shakes, have further strengthened the screening effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram showing an internal structure of the present invention.

Fig. 3 is a partially enlarged schematic view of a portion a of fig. 1.

Fig. 4 is a partially enlarged structural view of a portion B in fig. 2.

Fig. 5 is a schematic structural view of the adjustment assembly.

In the figure, 1, a frame; 11. a slide rail; 12. a roller; 13. a baffle plate; 2. vibrating and screening; 21. positioning a plate; 3. a material receiving groove; 4. a drive mechanism; 41. a motor; 42. a main shaft; 43. a turntable; 44. an eccentric shaft; 45. a connecting rod; 46. a bearing seat; 5. a feed hopper; 6. an adjustment assembly; 61. a baffle; 62. rotating the rod; 63. a handle; 64. a rotating plate; 65. a screw; 66. locking the nut; 67. a retaining ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Limestone screening equipment is shown in the attached figures 1 and 2 and comprises a rack 1, a vibrating screen 2, a material receiving groove 3, a driving mechanism 4 and a feeding hopper 5, wherein two inner side walls of the rack 1 are respectively provided with two sliding rails 11 along the length direction of the rack, the sliding rails 11 are obliquely arranged, the inclination angle is 5-10 degrees, the higher end of each sliding rail 11 is an opening, the other end of each sliding rail 11 is a closed opening, the vibrating screen 2 is slidably arranged in the corresponding sliding rail 11, the driving mechanism 4 is arranged on one side of the opening end of each sliding rail 11, and the vibrating screen 2 is controlled by the driving mechanism 4 to reciprocate in the corresponding sliding rail 11 to screen stones; the receiving trough 3 is positioned below the vibrating screen 2 and fixedly connected to the rack 1, the receiving trough 3 is also obliquely arranged, the oblique direction of the receiving trough 3 is consistent with that of the vibrating screen 2, one end, far away from the driving mechanism 4, of the receiving trough 3 extends towards one side of the rack 1 in a bending mode, and the bottom wall of the receiving trough 3 and two side walls of the receiving trough are in smooth transition through round corners, so that stone materials are prevented from being accumulated on two sides of the bottom surface of the receiving trough 3; the feed hopper 5 is arranged above the vibrating screen 2 and fixed on the frame 1.

The cross-section of slide rail 11 is the rectangle, be provided with two rows of gyro wheels 12 along its length direction in the slide rail 11, two rows of gyro wheels 12 are parallel to each other from top to bottom, gyro wheel 12 all rotates and connects on the inner wall of slide rail 11, shake sieve 2's both sides on the surface along length direction fixedly connected with two parallel locating plates 21, two locating plates 21 both sides surfaces that carry on the back mutually all laminate on corresponding gyro wheel 12, locating plate 21 keeps away from the side end face of shaking sieve 2 and contradicts on the inner wall of slide rail 11, locating plate 21 laminates on the outer peripheral face of gyro wheel 12, it is more smooth and easy to make the removal of shaking sieve 2 in slide rail.

As shown in fig. 3, the driving mechanism 4 includes a motor 41, a main shaft 42, a rotary table 43, an eccentric shaft 44 and a connecting rod 45, wherein two side end surfaces of the frame 1 are fixedly connected with a cross beam, two bearing seats 46 are fixed on the cross beam at intervals, the main shaft 42 is inserted into the bearing seats 46, one end of the main shaft 42 extends in a direction away from the frame 1 and is connected with a driven pulley at an end, the motor 41 is arranged below the pulleys, an output shaft of the motor 41 is connected with a driving pulley, the motor 41 drives the main shaft 42 to rotate through belt transmission, the rotary table 43 is fixed at one end of the main shaft 42 away from the driven pulley, the eccentric shaft 44 is fixed at an edge of a side surface of the rotary table 43 away from the; the middle of the end surface of the vibrating screen 2 close to one side of the driving mechanism 4 is fixed with a hinged seat, and one end of the connecting rod 45 far away from the eccentric shaft 44 is connected with the hinged seat. When the motor 41 works, the main shaft 42 and the turntable 43 are driven to rotate by the belt, the eccentric shaft 44 makes a circular motion by taking the center of the turntable 43 as the center of a circle, when the eccentric shaft 44 rotates to one side close to the vibrating screen 2, the vibrating screen 2 is pushed to move downwards along the slide rail 11, and on the contrary, when the eccentric shaft 44 rotates to one side far away from the vibrating screen 2, the vibrating screen 2 is pulled to move upwards along the slide rail 11, and the reciprocating motion is carried out.

Combine as shown in fig. 2, 4 and 5, feeder hopper 5 is located the one side that is close to actuating mechanism 4, and feeder hopper 5 is the back taper, and the lower extreme opening of feeder hopper 5 is the bar setting, and one side that feeder hopper 5 is close to actuating mechanism 4 still is provided with baffle 13, and baffle 13 is an arc and fixed connection in frame 1. An adjusting component 6 is arranged below the lower port of the feed hopper 5, the adjusting component 6 comprises a guide plate 61, a rotating rod 62, a rotating plate 64, a screw rod 65 and a locking nut 66, the rotating rod 62 is rotatably connected to the rack 1 and is positioned at one side edge of the lower port of the feed hopper 5, which is far away from the driving mechanism 4, the guide plate 61 is positioned right below the lower port of the feed hopper 5, one side edge of the guide plate 61 is fixedly connected with the rotating rod 62, and one end of the rotating rod 62 penetrates out of the rack 1 and is bent to form a handle 63; the rotating plate 64 is fan-shaped, the end portion of the rotating plate 64 is fixed to the end portion, close to the handle 63, of the rotating rod 62, the screw rod 65 is fixedly connected to the rack 1 and located on one side of the rotating rod 62, an arc-shaped groove is formed in the edge, far away from the rotating rod 62, of the surface of the rotating plate 64 along the circumferential direction, the rotating plate 64 is sleeved on the screw rod 65 through the arc-shaped groove, the locking nut 66 is specifically a butterfly nut, the locking nut 66 is connected to the screw rod 65 in a threaded mode, the side end face of the locking nut abuts against the side surface, far away from the rack 1, of the rotating plate 64, a positioning ring 67 is fixedly connected to the screw rod.

The implementation principle of the embodiment is as follows: before stone is added into the feed hopper 5, the guide plate 61 rotates around the rotating rod 62 by rotating the handle 63, so that the size of an opening formed by the guide plate 61 and the lower port of the feed hopper 5 is adjusted, and the purpose of controlling the discharging flow is achieved. Then add the building stones to feeder hopper 5, open motor 41 simultaneously, connecting rod 45 push-and-pull 2 that shake and sieve along slide rail 11 removal, sieve the building stones, and the building stones of large granule are followed 2 surperficial roll-offs that shake, and the building stones after the screening falls into downwards in receiving silo 3 to from the lower port roll-off of receiving silo 3, unified collection is carried to the assigned position.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a lime stone screening equipment, includes frame (1), set up sieve (2) and the receipts silo (3) of setting in sieve (2) below of shaking in frame (1), its characterized in that: the vibrating screen is characterized in that two side walls of the rack (1) are respectively provided with a sliding rail (11) along the length direction of the rack, the sliding rails (11) are obliquely arranged, the higher end of each sliding rail (11) is provided with an opening, the other end of each sliding rail is provided with a closed opening, two rows of parallel rollers (12) are arranged in each sliding rail (11) at intervals, the rollers (12) are arranged along the length direction of the sliding rails (11) and are rotatably connected to the side walls of the sliding rails (11), two parallel positioning plates (21) are respectively and fixedly arranged on the surfaces of the two sides of the vibrating screen (2), and the two positioning plates (21) are correspondingly attached to the outer peripheral surfaces of the two rows of; the vibrating screen is characterized in that a driving mechanism (4) for controlling the vibrating screen (2) to reciprocate along the sliding rail (11) is further arranged on the rack (1), and the driving mechanism (4) is located on one side of the opening end of the sliding rail (11).

2. Limestone screening apparatus according to claim 1, characterized in that: the driving mechanism (4) comprises a motor (41), a main shaft (42) located on one side of an opening end of the sliding rail (11), a rotary table (43) fixedly connected to one end of the main shaft (42), an eccentric shaft (44) fixedly connected to the surface of one side, away from the main shaft (42), of the rotary table (43), and a connecting rod (45) rotatably connected to the eccentric shaft (44), a bearing seat (46) is arranged on a cross beam on the side end face of the rack (1), the main shaft (42) is rotatably arranged on the bearing seat (46), one end, away from the rotary table (43), of the main shaft (42) is connected with an output shaft of the motor (41) through a belt pulley, and one end, away from the eccentric shaft (44), of the connecting rod (45) is.

3. Limestone screening apparatus according to claim 1, characterized in that: the top of sieve (2) shakes is provided with feeder hopper (5), feeder hopper (5) are the back taper fill, feeder hopper (5) fixed connection just is located the one side that is close to actuating mechanism (4) on frame (1) inner wall.

4. Limestone screening apparatus according to claim 3, characterized in that: the below of feeder hopper (5) is provided with adjusting part (6) that are used for controlling the unloading flow, adjusting part (6) are including setting up guide plate (61) under feeder hopper (5) under shed and fixing dwang (62) on guide plate (61) keep away from actuating mechanism (4) a side, dwang (62) are rotated and are connected in frame (1), the one end of dwang (62) pierces through the curb plate of frame (1) and buckles and are formed with handle (63), the one end that dwang (62) are close to handle (63) is fixed with rotor plate (64), be provided with on rotor plate (64) with its fixed retaining member.

5. Limestone screening apparatus according to claim 4, characterized in that: the retaining member is including setting up screw rod (65) and the lock nut (66) of threaded connection on screw rod (65) in dwang (62) one side, screw rod (65) fixed connection is in frame (1), the arc wall has been seted up on rotor plate (64), screw rod (65) are worn to establish in the arc wall, fixedly connected with holding ring (67) are gone up in screw rod (65), holding ring (67) laminating is on one side surface that rotor plate (64) are close to frame (1), the side end face of lock nut (66) supports tightly on one side surface that frame (1) was kept away from in rotor plate (64).

6. Limestone screening apparatus according to claim 5, characterized in that: the locking nut (66) is a wing nut.

7. Limestone screening apparatus according to claim 3, characterized in that: one side of the feed hopper (5) close to the driving mechanism (4) is provided with a baffle (13), and the baffle (13) is fixedly connected to the rack (1).

8. Limestone screening apparatus according to claim 1, characterized in that: one end, far away from the driving mechanism (4), of the material receiving groove (3) inclines downwards and bends towards one side of the rack (1), and a round angle is formed in the smooth transition between the bottom wall of the material receiving groove (3) and two side walls of the material receiving groove.